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.
#Sitka, AK : 09/01/2015 09:22:35 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/30 18Z,   0.30,   1.72,   2.23,  99.90,   0.21,
08/30 19Z,   0.30,   4.74,   5.20,  99.90,   0.16,
08/30 20Z,   0.40,   7.70,   8.23,  99.90,   0.13,
08/30 21Z,   0.40,   9.87,  10.46,  99.90,   0.19,
08/30 22Z,   0.40,  10.75,  11.42,  99.90,   0.27,  (max)
08/30 23Z,   0.40,  10.13,  10.92,  99.90,   0.39,
08/31 00Z,   0.30,   8.22,   9.20,  99.90,   0.68,
08/31 01Z,   0.40,   5.53,   6.43,  99.90,   0.50,
08/31 02Z,   0.40,   2.77,   3.66,  99.90,   0.49,
08/31 03Z,   0.40,   0.67,   1.46,  99.90,   0.39,
08/31 04Z,   0.40,  -0.21,   0.45,  99.90,   0.26,  (min)
08/31 05Z,   0.30,   0.37,   0.93,  99.90,   0.26,
08/31 06Z,   0.20,   2.26,   2.74,  99.90,   0.28,
08/31 07Z,   0.20,   4.99,   5.30,  99.90,   0.11,
08/31 08Z,   0.30,   7.85,   8.12,  99.90,  -0.03,
08/31 09Z,   0.30,  10.11,  10.32,  99.90,  -0.09,
08/31 10Z,   0.30,  11.15,  11.36,  99.90,  -0.09,  (max)
08/31 11Z,   0.30,  10.70,  10.98,  99.90,  -0.02,
08/31 12Z,   0.20,   8.83,   9.14,  99.90,   0.11,
08/31 13Z,   0.20,   5.99,   6.40,  99.90,   0.21,
08/31 14Z,   0.20,   2.87,   3.24,  99.90,   0.17,
08/31 15Z,   0.20,   0.25,   0.61,  99.90,   0.16,
08/31 16Z,   0.20,  -1.24,  -0.99,  99.90,   0.05,
08/31 17Z,   0.20,  -1.22,  -1.00,  99.90,   0.02,  (min)
08/31 18Z,   0.20,   0.31,   0.42,  99.90,  -0.09,
08/31 19Z,   0.20,   2.95,   3.01,  99.90,  -0.14,
08/31 20Z,   0.20,   6.07,   6.11,  99.90,  -0.16,
08/31 21Z,   0.20,   8.88,   8.93,  99.90,  -0.15,
08/31 22Z,   0.20,  10.69,  10.82,  99.90,  -0.07,
08/31 23Z,   0.10,  11.07,  11.32,  99.90,   0.15,  (max)
09/01 00Z,   0.10,   9.95,  10.31,  99.90,   0.26,
09/01 01Z,   0.10,   7.61,   8.04,  99.90,   0.33,
09/01 02Z,   0.10,   4.68,   5.13,  99.90,   0.35,
09/01 03Z,   0.10,   1.90,   2.33,  99.90,   0.33,
09/01 04Z,   0.10,  -0.03,   0.34,  99.90,   0.27,
09/01 05Z,   0.00,  -0.63,  -0.37,  99.90,   0.26,  (min)
09/01 06Z,   0.00,   0.26,   0.44,  99.90,   0.18,
09/01 07Z,   0.00,   2.39,   2.51,  99.90,   0.12,
09/01 08Z,   0.00,   5.21,   5.18,  99.90,  -0.03,
09/01 09Z,  -0.10,   8.00,   7.88,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/01 10Z,  -0.10,  10.03,  99.90,   9.92,  -0.01,
09/01 11Z,  -0.10,  10.79,  99.90,  10.68,  -0.00,  (max)
09/01 12Z,  -0.10,  10.07,  99.90,   9.98,   0.00,
09/01 13Z,  -0.20,   8.07,  99.90,   7.88,   0.01,
09/01 14Z,  -0.20,   5.29,  99.90,   5.10,   0.01,
09/01 15Z,  -0.20,   2.42,  99.90,   2.24,   0.02,
09/01 16Z,  -0.20,   0.21,  99.90,   0.04,   0.03,
09/01 17Z,  -0.30,  -0.78,  99.90,  -1.05,   0.03,  (min)
09/01 18Z,  -0.30,  -0.30,  99.90,  -0.57,   0.04,
09/01 19Z,  -0.30,   1.54,  99.90,   1.28,   0.04,
09/01 20Z,  -0.30,   4.29,  99.90,   4.04,   0.05,
09/01 21Z,  -0.30,   7.27,  99.90,   7.02,   0.06,
09/01 22Z,  -0.30,   9.73,  99.90,   9.49,   0.06,
09/01 23Z,  -0.20,  11.08,  99.90,  10.94,   0.06,  (max)
09/02 00Z,  -0.20,  10.97,  99.90,  10.83,   0.06,
09/02 01Z,  -0.20,   9.45,  99.90,   9.31,   0.06,
09/02 02Z,  -0.20,   6.90,  99.90,   6.75,   0.06,
09/02 03Z,  -0.20,   3.94,  99.90,   3.80,   0.06,
09/02 04Z,  -0.20,   1.31,  99.90,   1.17,   0.06,
09/02 05Z,  -0.20,  -0.35,  99.90,  -0.50,   0.06,
09/02 06Z,  -0.20,  -0.66,  99.90,  -0.81,   0.06,  (min)
09/02 07Z,  -0.20,   0.43,  99.90,   0.29,   0.06,
09/02 08Z,  -0.20,   2.62,  99.90,   2.47,   0.06,
09/02 09Z,  -0.20,   5.33,  99.90,   5.18,   0.06,
09/02 10Z,  -0.20,   7.86,  99.90,   7.72,   0.06,
09/02 11Z,  -0.30,   9.59,  99.90,   9.35,   0.06,
09/02 12Z,  -0.30,  10.08,  99.90,   9.84,   0.06,  (max)
09/02 13Z,  -0.30,   9.23,  99.90,   8.99,   0.06,
09/02 14Z,  -0.30,   7.29,  99.90,   7.04,   0.06,
09/02 15Z,  -0.30,   4.76,  99.90,   4.52,   0.06,
09/02 16Z,  -0.30,   2.32,  99.90,   2.08,   0.06,
09/02 17Z,  -0.20,   0.62,  99.90,   0.47,   0.06,
09/02 18Z,  -0.20,   0.09,  99.90,  -0.05,   0.06,  (min)
09/02 19Z,  -0.20,   0.90,  99.90,   0.75,   0.06,
09/02 20Z,  -0.20,   2.85,  99.90,   2.71,   0.06,
09/02 21Z,  -0.20,   5.48,  99.90,   5.34,   0.06,
09/02 22Z,  -0.10,   8.13,  99.90,   8.08,   0.06,
09/02 23Z,  -0.10,  10.14,  99.90,  10.09,   0.06,
09/03 00Z,  -0.10,  11.01,  99.90,  10.97,   0.06,  (max)
09/03 01Z,  -0.10,  10.53,  99.90,  10.49,   0.06,
09/03 02Z,  -0.10,   8.80,  99.90,   8.76,   0.06,
09/03 03Z,  -0.10,   6.24,  99.90,   6.20,   0.06,
09/03 04Z,  -0.10,   3.46,  99.90,   3.41,   0.06,
09/03 05Z,  -0.10,   1.11,  99.90,   1.06,   0.06,
09/03 06Z,  -0.10,  -0.27,  99.90,  -0.31,   0.06,
09/03 07Z,  -0.10,  -0.38,  99.90,  -0.42,   0.06,  (min)
09/03 08Z,  -0.20,   0.76,  99.90,   0.61,   0.06,
09/03 09Z,  -0.20,   2.81,  99.90,   2.67,   0.06,
09/03 10Z,  -0.20,   5.25,  99.90,   5.10,   0.06,
09/03 11Z,  -0.20,   7.45,  99.90,   7.30,   0.06,
09/03 12Z,  -0.20,   8.87,  99.90,   8.72,   0.06,
09/03 13Z,  -0.10,   9.18,  99.90,   9.14,   0.06,  (max)
09/03 14Z,  -0.10,   8.36,  99.90,   8.31,   0.06,
09/03 15Z,  -0.10,   6.65,  99.90,   6.61,   0.06,
09/03 16Z,  -0.10,   4.54,  99.90,   4.50,   0.06,
09/03 17Z,  -0.20,   2.61,  99.90,   2.47,   0.06,
09/03 18Z,  -0.20,   1.38,  99.90,   1.24,   0.06,
09/03 19Z,  -0.20,   1.21,  99.90,   1.06,   0.06,  (min)
09/03 20Z,  -0.20,   2.15,  99.90,   2.01,   0.06,
09/03 21Z,  -0.20,   4.01,  99.90,   3.86,   0.06,
09/03 22Z,  -0.10,   6.32,  99.90,   6.28,   0.06,
09/03 23Z,  -0.10,   8.53,  99.90,   8.48,   0.06,
09/04 00Z,  -0.10,  10.08,  99.90,  10.03,   0.06,
09/04 01Z,  -0.10,  10.58,  99.90,  10.53,   0.06,  (max)
09/04 02Z,   0.00,   9.90,  99.90,   9.95,   0.06,
09/04 03Z,   0.00,   8.17,  99.90,   8.23,   0.06,
09/04 04Z,  -0.10,   5.80,  99.90,   5.75,   0.06,
09/04 05Z,  -0.10,   3.32,  99.90,   3.27,   0.06,
09/04 06Z,  -0.20,   1.28,  99.90,   1.14,   0.06,
09/04 07Z,  -0.20,   0.13,  99.90,  -0.01,   0.06,
09/04 08Z,  -0.20,   0.09,  99.90,  -0.05,   0.06,  (min)
09/04 09Z,  -0.20,   1.11,  99.90,   0.96,   0.06,
09/04 10Z,  -0.20,   2.88,  99.90,   2.74,   0.06,
09/04 11Z,  -0.10,   4.95,  99.90,   4.91,   0.06,
09/04 12Z,  -0.10,   6.80,  99.90,   6.76,   0.06,
09/04 13Z,  -0.10,   7.99,  99.90,   7.95,   0.06,
09/04 14Z,  -0.10,   8.28,  99.90,   8.23,   0.06,  (max)
09/04 15Z,  -0.10,   7.64,  99.90,   7.59,   0.06,
09/04 16Z,  -0.10,   6.30,  99.90,   6.26,   0.06,
09/04 17Z,  -0.10,   4.67,  99.90,   4.63,   0.06,
09/04 18Z,  -0.10,   3.21,  99.90,   3.17,   0.06,
09/04 19Z,  -0.10,   2.35,  99.90,   2.31,   0.06,
09/04 20Z,  -0.10,   2.34,  99.90,   2.30,   0.06,  (min)
09/04 21Z,  -0.10,   3.22,  99.90,   3.18,   0.06,
09/04 22Z,  -0.10,   4.80,  99.90,   4.76,   0.06,
09/04 23Z,  -0.10,   6.71,  99.90,   6.66,   0.06,
09/05 00Z,  -0.10,   8.47,  99.90,   8.42,   0.06,
09/05 01Z,  99.90,   9.65,  99.90,  99.90,   0.06,
09/05 02Z,  99.90,   9.95,  99.90,  99.90,   0.06,
09/05 03Z,  99.90,   9.26,  99.90,  99.90,   0.06,
09/05 04Z,  99.90,   7.72,  99.90,  99.90,   0.06,
09/05 05Z,  99.90,   5.65,  99.90,  99.90,   0.06,
09/05 06Z,  99.90,   3.50,  99.90,  99.90,   0.06,

    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