NOAA logo-Select to go to the NOAA homepage National Weather Service      Select to go to the NWS homepage
Meterorolgical Development Laboratory banner
 
 
Main Site
Mirror Site
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
PLEASE NOTE that zero is now at Mean Lower Low Water (MLLW).
This is the old default datum.
#Alitak, AK : 07/24/2016 18:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/23 00Z,   0.00,  11.07,  11.32,  99.90,   0.25,
07/23 01Z,   0.00,  11.71,  11.81,  99.90,   0.10,  (max)
07/23 02Z,   0.00,  10.82,  10.86,  99.90,   0.04,
07/23 03Z,   0.00,   8.86,   9.15,  99.90,   0.29,
07/23 04Z,   0.00,   6.40,   6.65,  99.90,   0.25,
07/23 05Z,   0.00,   4.04,   4.18,  99.90,   0.14,
07/23 06Z,   0.00,   2.36,   2.55,  99.90,   0.19,
07/23 07Z,   0.00,   1.82,   2.04,  99.90,   0.22,  (min)
07/23 08Z,   0.10,   2.62,   2.84,  99.90,   0.12,
07/23 09Z,   0.00,   4.55,   4.81,  99.90,   0.26,
07/23 10Z,   0.00,   7.24,   7.32,  99.90,   0.08,
07/23 11Z,   0.00,  10.04,  10.02,  99.90,  -0.02,
07/23 12Z,   0.00,  11.98,  11.82,  99.90,  -0.16,
07/23 13Z,   0.00,  12.31,  12.03,  99.90,  -0.28,  (max)
07/23 14Z,   0.00,  11.02,  11.10,  99.90,   0.08,
07/23 15Z,   0.00,   8.58,   8.90,  99.90,   0.32,
07/23 16Z,   0.00,   5.52,   5.79,  99.90,   0.27,
07/23 17Z,   0.00,   2.46,   2.69,  99.90,   0.23,
07/23 18Z,   0.00,  -0.00,   0.27,  99.90,   0.27,
07/23 19Z,   0.00,  -1.30,  -0.99,  99.90,   0.31,  (min)
07/23 20Z,   0.00,  -1.08,  -0.76,  99.90,   0.32,
07/23 21Z,   0.00,   0.63,   0.68,  99.90,   0.05,
07/23 22Z,   0.00,   3.45,   3.41,  99.90,  -0.04,
07/23 23Z,   0.00,   6.83,   6.98,  99.90,   0.15,
07/24 00Z,   0.00,   9.87,  10.08,  99.90,   0.21,
07/24 01Z,   0.00,  11.57,  11.66,  99.90,   0.09,  (max)
07/24 02Z,   0.00,  11.61,  11.55,  99.90,  -0.06,
07/24 03Z,  -0.10,  10.29,  10.31,  99.90,   0.12,
07/24 04Z,  -0.10,   8.12,   8.27,  99.90,   0.25,
07/24 05Z,  -0.10,   5.64,   5.68,  99.90,   0.14,
07/24 06Z,  -0.10,   3.42,   3.38,  99.90,   0.06,
07/24 07Z,  -0.10,   2.00,   2.06,  99.90,   0.16,
07/24 08Z,  -0.10,   1.78,   1.93,  99.90,   0.25,  (min)
07/24 09Z,  -0.10,   2.83,   2.97,  99.90,   0.24,
07/24 10Z,  -0.10,   4.87,   4.96,  99.90,   0.19,
07/24 11Z,  -0.10,   7.48,   7.62,  99.90,   0.24,
07/24 12Z,  -0.10,   9.98,  10.09,  99.90,   0.21,
07/24 13Z,  -0.10,  11.47,  11.44,  99.90,   0.07,  (max)
07/24 14Z,  -0.10,  11.38,  11.22,  99.90,  -0.06,
07/24 15Z,  -0.10,   9.89,  10.14,  99.90,   0.35,
07/24 16Z,  -0.10,   7.48,   7.83,  99.90,   0.45,
07/24 17Z,  -0.10,   4.67,   5.00,  99.90,   0.43,
07/24 18Z,  -0.10,   2.03,   2.43,  99.90,   0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/24 19Z,  -0.10,   0.12,  99.90,   0.48,   0.46,
07/24 20Z,  -0.10,  -0.59,  99.90,  -0.26,   0.43,  (min)
07/24 21Z,  -0.10,   0.14,  99.90,   0.44,   0.40,
07/24 22Z,  -0.10,   2.13,  99.90,   2.39,   0.36,
07/24 23Z,  -0.10,   4.96,  99.90,   5.19,   0.33,
07/25 00Z,  -0.10,   8.07,  99.90,   8.27,   0.29,
07/25 01Z,  -0.10,  10.59,  99.90,  10.75,   0.26,
07/25 02Z,  -0.10,  11.71,  99.90,  11.83,   0.22,  (max)
07/25 03Z,  -0.10,  11.29,  99.90,  11.38,   0.19,
07/25 04Z,  -0.10,   9.74,  99.90,   9.79,   0.16,
07/25 05Z,  -0.10,   7.51,  99.90,   7.53,   0.12,
07/25 06Z,  -0.10,   5.11,  99.90,   5.10,   0.09,
07/25 07Z,  -0.10,   3.07,  99.90,   3.06,   0.09,
07/25 08Z,  -0.10,   1.87,  99.90,   1.86,   0.09,
07/25 09Z,  -0.10,   1.84,  99.90,   1.82,   0.09,  (min)
07/25 10Z,  -0.10,   2.94,  99.90,   2.93,   0.09,
07/25 11Z,  -0.10,   4.89,  99.90,   4.87,   0.09,
07/25 12Z,  -0.10,   7.26,  99.90,   7.25,   0.09,
07/25 13Z,  -0.10,   9.43,  99.90,   9.42,   0.09,
07/25 14Z,  -0.20,  10.55,  99.90,  10.44,   0.09,  (max)
07/25 15Z,  -0.20,  10.27,  99.90,  10.15,   0.09,
07/25 16Z,  -0.20,   8.83,  99.90,   8.71,   0.09,
07/25 17Z,  -0.20,   6.67,  99.90,   6.56,   0.09,
07/25 18Z,  -0.20,   4.27,  99.90,   4.16,   0.09,
07/25 19Z,  -0.10,   2.13,  99.90,   2.11,   0.09,
07/25 20Z,  -0.10,   0.75,  99.90,   0.74,   0.09,
07/25 21Z,  -0.10,   0.52,  99.90,   0.50,   0.09,  (min)
07/25 22Z,  -0.10,   1.53,  99.90,   1.52,   0.09,
07/25 23Z,  -0.10,   3.55,  99.90,   3.53,   0.09,
07/26 00Z,  -0.10,   6.18,  99.90,   6.17,   0.09,
07/26 01Z,  -0.10,   8.90,  99.90,   8.89,   0.09,
07/26 02Z,  -0.20,  10.92,  99.90,  10.81,   0.09,
07/26 03Z,  -0.20,  11.60,  99.90,  11.48,   0.09,  (max)
07/26 04Z,  -0.20,  10.94,  99.90,  10.83,   0.09,
07/26 05Z,  -0.20,   9.32,  99.90,   9.21,   0.09,
07/26 06Z,  -0.20,   7.15,  99.90,   7.03,   0.09,
07/26 07Z,  -0.20,   4.86,  99.90,   4.75,   0.09,
07/26 08Z,  -0.20,   2.97,  99.90,   2.85,   0.09,
07/26 09Z,  -0.20,   1.87,  99.90,   1.76,   0.09,  (min)
07/26 10Z,  -0.10,   1.84,  99.90,   1.82,   0.09,
07/26 11Z,  -0.10,   2.81,  99.90,   2.79,   0.09,
07/26 12Z,  -0.10,   4.51,  99.90,   4.50,   0.09,
07/26 13Z,  -0.10,   6.61,  99.90,   6.59,   0.09,
07/26 14Z,  -0.20,   8.50,  99.90,   8.39,   0.09,
07/26 15Z,  -0.20,   9.47,  99.90,   9.35,   0.09,  (max)
07/26 16Z,  -0.20,   9.24,  99.90,   9.12,   0.09,
07/26 17Z,  -0.20,   8.06,  99.90,   7.95,   0.09,
07/26 18Z,  -0.20,   6.30,  99.90,   6.19,   0.09,
07/26 19Z,  -0.20,   4.35,  99.90,   4.24,   0.09,
07/26 20Z,  -0.20,   2.68,  99.90,   2.57,   0.09,
07/26 21Z,  -0.20,   1.71,  99.90,   1.59,   0.09,  (min)
07/26 22Z,  -0.20,   1.73,  99.90,   1.62,   0.09,
07/26 23Z,  -0.20,   2.80,  99.90,   2.68,   0.09,
07/27 00Z,  -0.20,   4.65,  99.90,   4.53,   0.09,
07/27 01Z,  -0.20,   6.97,  99.90,   6.86,   0.09,
07/27 02Z,  -0.20,   9.31,  99.90,   9.20,   0.09,
07/27 03Z,  -0.30,  10.97,  99.90,  10.75,   0.09,
07/27 04Z,  -0.30,  11.41,  99.90,  11.20,   0.09,  (max)
07/27 05Z,  -0.30,  10.71,  99.90,  10.49,   0.09,
07/27 06Z,  -0.30,   9.15,  99.90,   8.94,   0.09,
07/27 07Z,  -0.20,   7.07,  99.90,   6.96,   0.09,
07/27 08Z,  -0.20,   4.88,  99.90,   4.76,   0.09,
07/27 09Z,  -0.10,   3.00,  99.90,   2.99,   0.09,
07/27 10Z,  -0.10,   1.84,  99.90,   1.83,   0.09,
07/27 11Z,  -0.10,   1.63,  99.90,   1.62,   0.09,  (min)
07/27 12Z,  -0.10,   2.34,  99.90,   2.32,   0.09,
07/27 13Z,  -0.20,   3.75,  99.90,   3.64,   0.09,
07/27 14Z,  -0.20,   5.64,  99.90,   5.53,   0.09,
07/27 15Z,  -0.20,   7.44,  99.90,   7.33,   0.09,
07/27 16Z,  -0.20,   8.47,  99.90,   8.36,   0.09,
07/27 17Z,  -0.20,   8.50,  99.90,   8.39,   0.09,  (max)
07/27 18Z,  -0.20,   7.72,  99.90,   7.60,   0.09,
07/27 19Z,  -0.20,   6.39,  99.90,   6.28,   0.09,
07/27 20Z,  -0.20,   4.85,  99.90,   4.74,   0.09,
07/27 21Z,  -0.20,   3.50,  99.90,   3.39,   0.09,
07/27 22Z,  -0.10,   2.72,  99.90,   2.71,   0.09,  (min)
07/27 23Z,  -0.10,   2.79,  99.90,   2.78,   0.09,
07/28 00Z,  -0.10,   3.71,  99.90,   3.70,   0.09,
07/28 01Z,  -0.10,   5.29,  99.90,   5.28,   0.09,
07/28 02Z,  -0.10,   7.31,  99.90,   7.30,   0.09,
07/28 03Z,  -0.10,   9.40,  99.90,   9.39,   0.09,
07/28 04Z,  -0.20,  10.89,  99.90,  10.78,   0.09,
07/28 05Z,  -0.10,  11.31,  99.90,  11.29,   0.09,  (max)
07/28 06Z,  -0.10,  10.68,  99.90,  10.67,   0.09,
07/28 07Z,  -0.10,   9.25,  99.90,   9.23,   0.09,
07/28 08Z,  -0.10,   7.24,  99.90,   7.23,   0.09,
07/28 09Z,   0.00,   5.03,  99.90,   5.12,   0.09,
07/28 10Z,   0.00,   3.03,  99.90,   3.12,   0.09,
07/28 11Z,   0.00,   1.65,  99.90,   1.74,   0.09,
07/28 12Z,  -0.10,   1.16,  99.90,   1.15,   0.09,

    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    Meteorological Development Laboratory
Author mdl_webmaster@noaa.gov
1325 East West Highway
Silver Spring, MD 20910
Page last Modified: November 13, 2013.
Disclaimer
Privacy Policy