EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
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
#Anchorage, AK : 07/16/2025 06:22:11 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 12Z,   0.00, -28.64, -28.93,  99.90,  -0.29,
07/14 13Z,   0.00, -29.78, -30.73,  99.90,  -0.95,  (min)
07/14 14Z,   0.10, -25.88, -23.72,  99.90,   2.06,
07/14 15Z,   0.10, -17.93, -17.02,  99.90,   0.81,
07/14 16Z,   0.10, -10.63, -11.69,  99.90,  -1.16,
07/14 17Z,   0.10,  -6.81,  -7.69,  99.90,  -0.98,
07/14 18Z,   0.10,  -5.94,  -5.55,  99.90,   0.29,  (max)
07/14 19Z,   0.00,  -7.54,  -7.30,  99.90,   0.24,
07/14 20Z,   0.00, -11.38, -11.45,  99.90,  -0.07,
07/14 21Z,   0.00, -16.77, -16.70,  99.90,   0.07,
07/14 22Z,   0.00, -22.99, -22.15,  99.90,   0.84,
07/14 23Z,  -0.10, -28.91, -27.19,  99.90,   1.82,
07/15 00Z,  -0.10, -33.32, -31.85,  99.90,   1.57,
07/15 01Z,  -0.20, -35.23, -35.69,  99.90,  -0.26,  (min)
07/15 02Z,  -0.20, -32.69, -33.17,  99.90,  -0.28,
07/15 03Z,  -0.20, -25.02, -24.04,  99.90,   1.18,
07/15 04Z,  -0.30, -15.94, -16.98,  99.90,  -0.74,
07/15 05Z,  -0.30,  -9.61, -11.40,  99.90,  -1.49,
07/15 06Z,  -0.30,  -6.49,  -7.47,  99.90,  -0.68,
07/15 07Z,  -0.30,  -5.79,  -5.43,  99.90,   0.66,  (max)
07/15 08Z,  -0.40,  -7.50,  -7.30,  99.90,   0.60,
07/15 09Z,  -0.40, -11.28, -11.59,  99.90,   0.09,
07/15 10Z,  -0.40, -16.51, -16.84,  99.90,   0.07,
07/15 11Z,  -0.40, -22.27, -22.05,  99.90,   0.62,
07/15 12Z,  -0.40, -27.15, -26.78,  99.90,   0.77,
07/15 13Z,  -0.40, -30.16, -30.63,  99.90,  -0.07,  (min)
07/15 14Z,  -0.40, -29.85, -30.62,  99.90,  -0.37,
07/15 15Z,  -0.40, -24.58, -22.87,  99.90,   2.11,
07/15 16Z,  -0.40, -16.27, -16.37,  99.90,   0.30,
07/15 17Z,  -0.40,  -9.65, -11.31,  99.90,  -1.26,
07/15 18Z,  -0.40,  -6.63,  -7.84,  99.90,  -0.81,
07/15 19Z,  -0.40,  -6.34,  -6.51,  99.90,   0.23,  (max)
07/15 20Z,  -0.50,  -8.45,  -8.99,  99.90,  -0.04,
07/15 21Z,  -0.50, -12.79, -13.46,  99.90,  -0.17,
07/15 22Z,  -0.50, -18.61, -18.70,  99.90,   0.41,
07/15 23Z,  -0.50, -24.97, -23.90,  99.90,   1.57,
07/16 00Z,  -0.60, -30.40, -28.68,  99.90,   2.32,
07/16 01Z,  -0.60, -33.71, -32.99,  99.90,   1.32,
07/16 02Z,  -0.60, -34.07, -35.53,  99.90,  -0.86,  (min)
07/16 03Z,  -0.50, -29.88, -28.33,  99.90,   2.05,
07/16 04Z,  -0.50, -21.38, -20.61,  99.90,   1.27,
07/16 05Z,  -0.50, -12.81, -14.37,  99.90,  -1.06,
07/16 06Z,  -0.50,  -7.63,  -9.57,  99.90,  -1.44,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 07Z,  -0.50,  -5.57,  99.90,  -7.36,  -1.30,  (max)
07/16 08Z,  -0.50,  -5.86,  99.90,  -7.51,  -1.15,
07/16 09Z,  -0.50,  -8.54,  99.90, -10.04,  -1.00,
07/16 10Z,  -0.50, -13.15,  99.90, -14.50,  -0.85,
07/16 11Z,  -0.60, -18.88,  99.90, -20.19,  -0.71,
07/16 12Z,  -0.60, -24.55,  99.90, -25.71,  -0.56,
07/16 13Z,  -0.60, -28.78,  99.90, -29.79,  -0.41,
07/16 14Z,  -0.60, -30.87,  99.90, -31.73,  -0.26,  (min)
07/16 15Z,  -0.70, -29.54,  99.90, -30.35,  -0.12,
07/16 16Z,  -0.70, -23.61,  99.90, -24.28,   0.03,
07/16 17Z,  -0.80, -15.63,  99.90, -16.25,   0.18,
07/16 18Z,  -0.80,  -9.87,  99.90, -10.34,   0.33,
07/16 19Z,  -0.80,  -7.39,  99.90,  -7.87,   0.33,  (max)
07/16 20Z,  -0.90,  -7.30,  99.90,  -7.87,   0.33,
07/16 21Z,  -0.90,  -9.57,  99.90, -10.15,   0.33,
07/16 22Z,  -0.90, -14.09,  99.90, -14.66,   0.33,
07/16 23Z,  -0.90, -19.98,  99.90, -20.55,   0.33,
07/17 00Z,  -0.90, -26.01,  99.90, -26.58,   0.33,
07/17 01Z,  -0.90, -30.57,  99.90, -31.14,   0.33,
07/17 02Z,  -0.90, -32.75,  99.90, -33.33,   0.33,  (min)
07/17 03Z,  -0.90, -31.97,  99.90, -32.55,   0.33,
07/17 04Z,  -0.90, -26.88,  99.90, -27.46,   0.33,
07/17 05Z,  -0.80, -18.40,  99.90, -18.87,   0.33,
07/17 06Z,  -0.80, -10.80,  99.90, -11.28,   0.33,
07/17 07Z,  -0.80,  -6.70,  99.90,  -7.17,   0.33,
07/17 08Z,  -0.70,  -5.39,  99.90,  -5.77,   0.33,  (max)
07/17 09Z,  -0.60,  -6.37,  99.90,  -6.65,   0.33,
07/17 10Z,  -0.60,  -9.72,  99.90,  -9.99,   0.33,
07/17 11Z,  -0.50, -14.80,  99.90, -14.97,   0.33,
07/17 12Z,  -0.50, -20.63,  99.90, -20.80,   0.33,
07/17 13Z,  -0.50, -25.88,  99.90, -26.05,   0.33,
07/17 14Z,  -0.50, -29.45,  99.90, -29.63,   0.33,
07/17 15Z,  -0.40, -31.03,  99.90, -31.10,   0.33,  (min)
07/17 16Z,  -0.40, -29.34,  99.90, -29.42,   0.33,
07/17 17Z,  -0.40, -23.49,  99.90, -23.56,   0.33,
07/17 18Z,  -0.30, -16.23,  99.90, -16.20,   0.33,
07/17 19Z,  -0.30, -11.21,  99.90, -11.18,   0.33,
07/17 20Z,  -0.30,  -8.84,  99.90,  -8.81,   0.33,
07/17 21Z,  -0.40,  -8.50,  99.90,  -8.57,   0.33,  (max)
07/17 22Z,  -0.40, -10.56,  99.90, -10.63,   0.33,
07/17 23Z,  -0.40, -14.87,  99.90, -14.94,   0.33,
07/18 00Z,  -0.40, -20.41,  99.90, -20.48,   0.33,
07/18 01Z,  -0.40, -25.75,  99.90, -25.82,   0.33,
07/18 02Z,  -0.40, -29.38,  99.90, -29.45,   0.33,
07/18 03Z,  -0.40, -30.82,  99.90, -30.90,   0.33,  (min)
07/18 04Z,  -0.30, -29.60,  99.90, -29.57,   0.33,
07/18 05Z,  -0.30, -24.41,  99.90, -24.38,   0.33,
07/18 06Z,  -0.30, -16.54,  99.90, -16.51,   0.33,
07/18 07Z,  -0.20, -10.02,  99.90,  -9.90,   0.33,
07/18 08Z,  -0.20,  -6.69,  99.90,  -6.56,   0.33,
07/18 09Z,  -0.20,  -5.73,  99.90,  -5.61,   0.33,  (max)
07/18 10Z,  -0.20,  -7.03,  99.90,  -6.91,   0.33,
07/18 11Z,  -0.30, -10.67,  99.90, -10.64,   0.33,
07/18 12Z,  -0.30, -15.84,  99.90, -15.81,   0.33,
07/18 13Z,  -0.30, -21.43,  99.90, -21.41,   0.33,
07/18 14Z,  -0.30, -26.18,  99.90, -26.15,   0.33,
07/18 15Z,  -0.20, -29.43,  99.90, -29.31,   0.33,
07/18 16Z,  -0.20, -31.11,  99.90, -30.98,   0.33,  (min)
07/18 17Z,  -0.20, -29.72,  99.90, -29.59,   0.33,
07/18 18Z,  -0.20, -24.40,  99.90, -24.28,   0.33,
07/18 19Z,  -0.20, -17.92,  99.90, -17.79,   0.33,
07/18 20Z,  -0.20, -13.25,  99.90, -13.12,   0.33,
07/18 21Z,  -0.20, -10.48,  99.90, -10.35,   0.33,
07/18 22Z,  -0.20,  -9.50,  99.90,  -9.37,   0.33,  (max)
07/18 23Z,  -0.20, -11.02,  99.90, -10.89,   0.33,
07/19 00Z,  -0.20, -14.81,  99.90, -14.68,   0.33,
07/19 01Z,  -0.20, -19.72,  99.90, -19.59,   0.33,
07/19 02Z,  -0.20, -24.28,  99.90, -24.16,   0.33,
07/19 03Z,  -0.10, -27.28,  99.90, -27.06,   0.33,
07/19 04Z,  -0.10, -28.62,  99.90, -28.39,   0.33,  (min)
07/19 05Z,   0.00, -27.65,  99.90, -27.32,   0.33,
07/19 06Z,   0.00, -22.93,  99.90, -22.60,   0.33,
07/19 07Z,   0.00, -15.91,  99.90, -15.58,   0.33,
07/19 08Z,   0.00, -10.27,  99.90,  -9.94,   0.33,
07/19 09Z,   0.00,  -7.25,  99.90,  -6.92,   0.33,
07/19 10Z,   0.00,  -6.23,  99.90,  -5.91,   0.33,  (max)
07/19 11Z,   0.00,  -7.51,  99.90,  -7.18,   0.33,
07/19 12Z,   0.00, -11.11,  99.90, -10.78,   0.33,
07/19 13Z,   0.00, -16.09,  99.90, -15.76,   0.33,
07/19 14Z,   0.00, -21.32,  99.90, -20.99,   0.33,
07/19 15Z,   0.10, -25.75,  99.90, -25.32,   0.33,
07/19 16Z,   0.10, -29.20,  99.90, -28.78,   0.33,
07/19 17Z,   0.10, -31.54,  99.90, -31.11,   0.33,  (min)
07/19 18Z,   0.10, -30.82,  99.90, -30.40,   0.33,
07/19 19Z,   0.10, -26.14,  99.90, -25.71,   0.33,
07/19 20Z,   0.00, -20.17,  99.90, -19.84,   0.33,
07/19 21Z,   0.00, -15.36,  99.90, -15.03,   0.33,
07/19 22Z,   0.00, -11.78,  99.90, -11.45,   0.33,
07/19 23Z,   0.00,  -9.91,  99.90,  -9.59,   0.33,  (max)
07/20 00Z,   0.00, -10.73,  99.90, -10.40,   0.33,