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000
FZUS63 KLOT 041621 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1121 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$
LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$

LENNING


000
FZUS63 KLOT 041621 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1121 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$
LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$

LENNING


000
FZUS63 KLOT 041621 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1121 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$
LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$

LENNING


000
FZUS63 KLOT 041621 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1121 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1121 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$
LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$

LENNING


000
FZUS61 KBUF 041430
GLFSL

FORECAST FOR THE SAINT LAWRENCE RIVER
INCLUDING THE THOUSAND ISLANDS REGION
NATIONAL WEATHER SERVICE BUFFALO NY
1030 AM EDT MON MAY 4 2015

SLZ022-024-042115-
ST LAWRENCE RIVER FROM CAPE VINCENT TO ST REGIS
1030 AM EDT MON MAY 4 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY
SUNNY...THEN BECOMING MOSTLY CLOUDY.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO LESS THAN 10 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY
THROUGH EARLY EVENING...THEN SHOWERS WITH A CHANCE OF
THUNDERSTORMS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING WEST. SUNNY.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND
VARIABLE. MAINLY CLEAR.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. MAINLY CLEAR.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. BECOMING MAINLY CLEAR.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

CHURCH/HITCHCOCK/RSH


000
FZUS61 KBUF 041429
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1029 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A BROAD 30.1 INCH HIGH WILL DRIFT OFF THE MID ATLANTIC
COAST THIS AFTERNOON. A WEAK COLD FRONT WILL CROSS THE LAKE
TONIGHT BEFORE STALLING OVER NORTHERN PENNSYLVANIA TUESDAY.
MEANWHILE A 30.3 INCH HIGH WILL BUILD FROM THE UPPER LAKES TUESDAY
TO THE LOWER LAKES BY WEDNESDAY BEFORE DRIFTING OFF THE SOUTHERN
NEW ENGLAND COAST THURSDAY. THIS HIGH WILL THEN REMAIN IN PLACE
JUST EAST OF THE MID ATLANTIC STATES FRIDAY THROUGH THE WEEKEND.

LOZ062-042115-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1029 AM EDT MON MAY 4 2015

.THIS AFTERNOON...WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST AND
INCREASING TO 15 TO 20 KNOTS. A CHANCE OF SHOWERS LATE. WAVES
2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS THROUGH THE EARLY
OVERNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS LESS THAN 10 KNOTS BECOMING EAST. WAVES
1 FOOT OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT
OR LESS.
.WEDNESDAY...EAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
.THURSDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
.FRIDAY...SOUTHWEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-042115-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1029 AM EDT MON MAY 4 2015

.THIS AFTERNOON...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 FOOT OR
LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS THROUGH EARLY EVENING...THEN SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS LATE. WAVES
1 FOOT OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. WAVES
1 FOOT OR LESS.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING NORTH.
WAVES 1 FOOT OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTH.
WAVES 1 FOOT OR LESS.
.THURSDAY...SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-042115-
MAFOR 0415/
ONTARIO WEST 1/2 11510 11520 11510 11516 11610 12700 11800. A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. A CHANCE OF SHOWERS
TONIGHT. WAVES 2 FEET OR LESS.

ONTARIO EAST 1/2 13500 11516 11606 11600 11700 11800. A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT. WAVES 1 FOOT OR LESS.

$$


CHURCH/HITCHCOCK/RSH


000
FZUS63 KDTX 041354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
954 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

RK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 041354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
954 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

RK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KDTX 041354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
954 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

RK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KDTX 041354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
954 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

RK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KDTX 041354
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
954 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
954 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

RK

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KLOT 041353
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
853 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
853 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$


LENNING


000
FZUS63 KLOT 041353
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 AM CDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...A COLD FRONT AVERAGING 29.8 INCHES ACROSS THE SOUTH
END OF THE LAKE THIS MORNING WILL STALL ACROSS CENTRAL ILLINOIS
AND INDIANA TONIGHT. MEANWHILE HIGH PRESSURE OF 30.3 INCHES
WILL SPREAD ACROSS THE NORTHERN GREAT LAKES. THIS HIGH WILL
PERSIST THROUGH TUESDAY EVENING BEFORE SHIFTING EAST ALLOWING THE
FRONT TO LIFT NORTHWARD LATE TUESDAY NIGHT INTO WEDNESDAY. LOW
PRESSURE OF 29.5 INCHES WILL DEVELOP IN THE UPPER PLAINS ON
WEDNESDAY NIGHT AND ADVANCE TO CENTRAL ONTARIO BY FRIDAY MORNING.
THIS WILL STEER A WEAK COOL FRONT INTO THE WESTERN GREAT LAKES ON
SATURDAY.

LMZ261-362-364-366-563-565-567-868-042115-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
853 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-042115-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
853 AM CDT MON MAY 4 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT VEERING TO NORTH 15 TO
25 KT. SCATTERED SHOWERS AND THUNDERSTORMS. AREAS OF FOG THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. AREAS OF FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO 15 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ761-042115-
MAFOR 0416/
MICHIGAN NORTH 13820 11120 13110 11210. WAVES 2 TO 4 FT THIS
AFTERNOON AND TONIGHT. WAVES 1 TO 3 FT TUESDAY MORNING.

MICHIGAN SOUTH 11723 11833 12823 11113 12116 11226. SCATTERED
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. CHANCE OF SHOWERS LATE
THIS EVENING. CHANCE OF THUNDERSTORMS TUESDAY MORNING. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 2 TO 4 FT TONIGHT AND TUESDAY MORNING.

$$


LENNING


000
FZUS63 KDTX 041351
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
951 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LHZ361-042015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF THUNDERSTORMS LATE IN THE
MORNING. A CHANCE OF SHOWERS BY LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS
IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. WAVES
2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-042015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS BY LATE MORNING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING WEST 5 TO 10 KNOTS
LATE. SHOWERS LIKELY LATE IN THE MORNING. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS BY LATE MORNING. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET BY MID AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FEET.


$$

LHZ462>464-042015-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN BECOMING LIGHT AND VARIABLE
LATE. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ461-042015-
MAFOR 0415/
HURON NORTH 11510 11610 14710 11800 11100. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET. 220103.

HURON SOUTH 12516 11706 14800 11800. A CHANCE OF THUNDERSTORMS
THIS AFTERNOON. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT TONIGHT.
WAVES 1 TO 3 FEET THIS AFTERNOON. WAVES 2 FEET OR LESS TONIGHT
AND TUESDAY MORNING. 220103.

$$

RK

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 041351
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
951 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LHZ361-042015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF THUNDERSTORMS LATE IN THE
MORNING. A CHANCE OF SHOWERS BY LATE MORNING. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS
IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. WAVES
2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-042015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS BY LATE MORNING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING WEST 5 TO 10 KNOTS
LATE. SHOWERS LIKELY LATE IN THE MORNING. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS BY LATE MORNING. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET BY MID AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FEET.


$$

LHZ462>464-042015-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
951 AM EDT MON MAY 4 2015

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN BECOMING LIGHT AND VARIABLE
LATE. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ461-042015-
MAFOR 0415/
HURON NORTH 11510 11610 14710 11800 11100. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET. 220103.

HURON SOUTH 12516 11706 14800 11800. A CHANCE OF THUNDERSTORMS
THIS AFTERNOON. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT TONIGHT.
WAVES 1 TO 3 FEET THIS AFTERNOON. WAVES 2 FEET OR LESS TONIGHT
AND TUESDAY MORNING. 220103.

$$

RK

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KMQT 041337
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
937 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE WILL BUILD OVER THE UPPER LAKES
TODAY. THIS HIGH WILL DRIFT INTO SOUTHEAST ONTARIO LATER TUESDAY
INTO WEDNESDAY AS ANOTHER 30.4 INCH AREA OF HIGH PRESSURE MOVES INTO
NORTHWEST ONTARIO AND A 29.6 INCH LOW PRESSURE TROUGH FORMS OVER THE
PLAINS. A 29.5 INCH LOW PRESSURE CENTER EMERGING FROM THIS TROUGH
WILL MOVE THROUGH THE NORTHERN PLAINS ON THURSDAY WHILE THE ONTARIO
HIGH DRIFTS ACROSS HUDSON BAY INTO QUEBEC. THE LOW WILL DRAG A TROUGH
AVERAGING 29.8 INCHES ACROSS THE UPPER GREAT LAKES REGION THURSDAY
NIGHT THROUGH FRIDAY.

LSZ162-042145-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. WAVES CALM TO 2
FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES CALM TO
2 FEET.

$$

LSZ263-042145-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2
FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ264-042145-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
BY MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM
TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4
FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-042145-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. A CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ266-042145-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1
TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ267-042145-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1
TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING
TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$
LSZ261-042145-
MAFOR 0415/
SUPERIOR WEST 11600 11510 12400 12500 11400 11300. WAVES 1 FOOT
OR LESS.

SUPERIOR NORTH CENTRAL 11710 11610 14510 11510 11500. WAVES 1 TO
2 FEET.

SUPERIOR SOUTH CENTRAL 13710 11600 13500 11400. WAVES CALM TO 3
FEET.

SUPERIOR EAST 13710 11610 11600 11500 12400. WAVES CALM TO 3 FEET.

$$

KEC



000
FZUS63 KMQT 041337
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
937 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.2 INCH HIGH PRESSURE WILL BUILD OVER THE UPPER LAKES
TODAY. THIS HIGH WILL DRIFT INTO SOUTHEAST ONTARIO LATER TUESDAY
INTO WEDNESDAY AS ANOTHER 30.4 INCH AREA OF HIGH PRESSURE MOVES INTO
NORTHWEST ONTARIO AND A 29.6 INCH LOW PRESSURE TROUGH FORMS OVER THE
PLAINS. A 29.5 INCH LOW PRESSURE CENTER EMERGING FROM THIS TROUGH
WILL MOVE THROUGH THE NORTHERN PLAINS ON THURSDAY WHILE THE ONTARIO
HIGH DRIFTS ACROSS HUDSON BAY INTO QUEBEC. THE LOW WILL DRAG A TROUGH
AVERAGING 29.8 INCHES ACROSS THE UPPER GREAT LAKES REGION THURSDAY
NIGHT THROUGH FRIDAY.

LSZ162-042145-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY. WAVES CALM TO 2
FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. WAVES CALM TO
2 FEET.

$$

LSZ263-042145-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2
FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ264-042145-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
BY MID AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES CALM
TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4
FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-042145-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS
BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. A CHANCE OF THUNDERSTORMS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ266-042145-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS BY MID AFTERNOON. PATCHY FOG. WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1
TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ267-042145-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
937 AM EDT MON MAY 4 2015

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG. WAVES
CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1
TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING
TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$
LSZ261-042145-
MAFOR 0415/
SUPERIOR WEST 11600 11510 12400 12500 11400 11300. WAVES 1 FOOT
OR LESS.

SUPERIOR NORTH CENTRAL 11710 11610 14510 11510 11500. WAVES 1 TO
2 FEET.

SUPERIOR SOUTH CENTRAL 13710 11600 13500 11400. WAVES CALM TO 3
FEET.

SUPERIOR EAST 13710 11610 11600 11500 12400. WAVES CALM TO 3 FEET.

$$

KEC


000
FZUS61 KCLE 041319
GLFLE

OPEN LAKE FORECAST FOR LAKE ERIE
NATIONAL WEATHER SERVICE CLEVELAND OH
919 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ERIE

.SYNOPSIS...A COLD FRONT WILL DROP SOUTHEAST ACROSS THE LAKE
THIS EVENING AND STALL ACROSS NORTHERN OHIO TUESDAY AS HIGH
PRESSURE 30.30 INCHES MOVES ACROSS THE NORTHERN GREAT LAKES. THE
HIGH WILL MOVE EAST WEDNESDAY AND ALLOW THE STATIONARY FRONT
ACROSS OHIO TO LIFT NORTH ACROSS THE LAKE AS A WARM FRONT BY
THURSDAY AFTERNOON.

LEZ162>165-042030-
LAKE ERIE OPEN WATERS FROM MAUMEE BAY TO RENO BEACH-
LAKE ERIE OPEN WATERS FROM RENO BEACH TO THE ISLANDS-
LAKE ERIE OPEN WATERS FROM THE ISLANDS TO VERMILION-
LAKE ERIE OPEN WATERS FROM VERMILION TO AVON POINT-
919 AM EDT MON MAY 4 2015

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY THIS AFTERNOON.
WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING NORTH.
THUNDERSTORMS LIKELY IN THE EVENING...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 10 KNOTS OR LESS. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 1 FOOT OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 KNOTS OR LESS BECOMING EAST.
WAVES 1 FOOT OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTH.
WAVES 1 FOOT OR LESS.
.FRIDAY...SOUTH WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LEZ061-166>169-042030-
LAKE ERIE OPEN WATERS FROM RIPLEY TO BUFFALO NY-
LAKE ERIE OPEN WATERS FROM AVON POINT TO WILLOWICK-
LAKE ERIE OPEN WATERS FROM WILLOWICK TO GENEVA-ON-THE-LAKE-
LAKE ERIE OPEN WATERS FROM GENEVA-ON-THE-LAKE TO CONNEAUT-
LAKE ERIE OPEN WATERS FROM CONNEAUT OH TO RIPLEY NY-
919 AM EDT MON MAY 4 2015

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5
TO 15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2
FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST LESS
THAN 10 KNOTS. THUNDERSTORMS LIKELY THROUGH THE EARLY
OVERNIGHT...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES
1 TO 2 FEET.
.TUESDAY...NORTH WINDS 10 KNOTS OR LESS BECOMING NORTHEAST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 10 KNOTS OR LESS. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
.WEDNESDAY...EAST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.
.THURSDAY...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
.FRIDAY...SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST IN THE
AFTERNOON...THEN BECOMING SOUTHEAST IN THE EVENING BECOMING SOUTH
OVERNIGHT. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$
LEZ161-042030-
MAFOR 0415/
ERIE WEST 1/3 11520 11519 11509 11500 11600 11700 12100. A CHANCE
OF SHOWERS AND THUNDERSTORMS OVERNIGHT AND TUESDAY MORNING. WAVES
2 FEET OR LESS.

ERIE CENTRAL 1/3 11520 11510 12509 11609 11700 11800 11100. A
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TUESDAY
MORNING. WAVES 2 FEET OR LESS.

ERIE EAST 1/3 11520 12510 12509 11600 11700 11100. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TUESDAY MORNING.
WAVES 2 FEET OR LESS.

$$





000
FZUS63 KDTX 040744
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LHZ361-042015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE WEST BY
LATE MORNING...THEN INCREASING TO 10 TO 15 KNOTS BY MID
AFTERNOON. SHOWERS LIKELY EARLY. A CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS BY LATE MORNING.
WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS
IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. WAVES
2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-042015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING LIGHT AND VARIABLE BY
EARLY AFTERNOON...BECOMING WEST 5 TO 10 KNOTS LATE. SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FEET.


$$

LHZ462>464-042015-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN BECOMING LIGHT AND VARIABLE
LATE. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ461-042015-
MAFOR 0409/
HURON NORTH 11519 12516 11610 14710. A CHANCE OF THUNDERSTORMS
IN THE MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON TODAY. A CHANCE OF RAIN SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT TONIGHT. WAVES 2 TO 4 FEET TODAY. WAVES 1 TO 3 FEET
TONIGHT. 220204.

HURON SOUTH 12419 12516 11706 13800. A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON TODAY. A CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET. 220103.

$$

MR

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 040744
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LHZ361-042015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE WEST BY
LATE MORNING...THEN INCREASING TO 10 TO 15 KNOTS BY MID
AFTERNOON. SHOWERS LIKELY EARLY. A CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS BY LATE MORNING.
WAVES 1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS
IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE LATE. WAVES
2 FEET OR LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.


$$

LHZ362-363-042015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING LIGHT AND VARIABLE BY
EARLY AFTERNOON...BECOMING WEST 5 TO 10 KNOTS LATE. SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS LATE. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FEET.


$$

LHZ462>464-042015-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY EARLY AFTERNOON...THEN BECOMING LIGHT AND VARIABLE
LATE. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS LATE. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS IN THE EVENING...THEN VEERING TO THE SOUTHEAST AFTER
MIDNIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET.


$$

LHZ461-042015-
MAFOR 0409/
HURON NORTH 11519 12516 11610 14710. A CHANCE OF THUNDERSTORMS
IN THE MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON TODAY. A CHANCE OF RAIN SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT TONIGHT. WAVES 2 TO 4 FEET TODAY. WAVES 1 TO 3 FEET
TONIGHT. 220204.

HURON SOUTH 12419 12516 11706 13800. A CHANCE OF THUNDERSTORMS
IN THE AFTERNOON TODAY. A CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET. 220103.

$$

MR

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


000
FZUS63 KDTX 040744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY...THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 040744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY...THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 040744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY...THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 040744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY...THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



000
FZUS63 KDTX 040744
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM EDT MON MAY 4 2015

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A COLD FRONT WILL MOVE THROUGH THE CENTRAL GREAT LAKES
TODAY.  HIGH PRESSURE OF 30.30 INCHES WILL THEN BUILD INTO THE
NORTHERN GREAT LAKES TONIGHT...HOLDING IN PLACE TUESDAY AND
WEDNESDAY.

&&

LCZ460-042015-
LAKE ST CLAIR-
344 AM EDT MON MAY 4 2015

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY...THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS BY LATE MORNING. WAVES 2 FEET OR LESS.
.TONIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE NORTH BY
MIDNIGHT. CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT...THEN LIGHT SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH LIGHT
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...
BECOMING LIGHT AND VARIABLE OVERNIGHT. MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY...BECOMING
PARTLY SUNNY BY LATE MORNING...BECOMING MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.

$$

MR

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)




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