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 : 02/12/2026 11:22:46 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/10 12Z,   0.00, -14.63, -15.03,  99.90,  -0.40,
02/10 13Z,   0.00, -18.55, -18.06,  99.90,   0.49,
02/10 14Z,   0.00, -21.88, -21.03,  99.90,   0.85,
02/10 15Z,   0.00, -23.66, -23.27,  99.90,   0.39,
02/10 16Z,   0.00, -24.32, -23.99,  99.90,   0.33,  (min)
02/10 17Z,   0.00, -23.40, -21.87,  99.90,   1.53,
02/10 18Z,   0.00, -19.83, -18.28,  99.90,   1.55,
02/10 19Z,   0.00, -15.27, -14.88,  99.90,   0.39,
02/10 20Z,   0.00, -12.34, -12.31,  99.90,   0.03,
02/10 21Z,   0.00, -10.87, -10.64,  99.90,   0.23,
02/10 22Z,  -0.10, -10.21, -10.41,  99.90,  -0.10,  (max)
02/10 23Z,  -0.20, -11.22, -11.88,  99.90,  -0.46,
02/11 00Z,  -0.20, -14.21, -15.04,  99.90,  -0.63,
02/11 01Z,  -0.20, -18.32, -18.87,  99.90,  -0.35,
02/11 02Z,  -0.20, -22.32, -22.43,  99.90,   0.09,
02/11 03Z,  -0.10, -25.25, -25.64,  99.90,  -0.29,
02/11 04Z,  -0.10, -27.46, -28.17,  99.90,  -0.61,
02/11 05Z,  -0.10, -29.12, -29.10,  99.90,   0.12,  (min)
02/11 06Z,   0.00, -28.48, -27.42,  99.90,   1.06,
02/11 07Z,   0.00, -25.10, -23.79,  99.90,   1.31,
02/11 08Z,   0.00, -21.21, -19.70,  99.90,   1.51,
02/11 09Z,   0.00, -17.77, -16.24,  99.90,   1.53,
02/11 10Z,   0.00, -14.26, -13.56,  99.90,   0.70,
02/11 11Z,   0.00, -11.74, -11.80,  99.90,  -0.06,
02/11 12Z,   0.10, -11.65, -11.34,  99.90,   0.21,  (max)
02/11 13Z,   0.20, -13.87, -12.25,  99.90,   1.42,
02/11 14Z,   0.30, -17.17, -14.45,  99.90,   2.42,
02/11 15Z,   0.30, -20.01, -17.34,  99.90,   2.37,
02/11 16Z,   0.30, -21.82, -19.95,  99.90,   1.57,
02/11 17Z,   0.30, -23.11, -21.64,  99.90,   1.17,  (min)
02/11 18Z,   0.30, -22.96, -21.57,  99.90,   1.09,
02/11 19Z,   0.40, -20.18, -19.75,  99.90,   0.03,
02/11 20Z,   0.40, -16.51, -16.96,  99.90,  -0.85,
02/11 21Z,   0.40, -14.04, -14.08,  99.90,  -0.44,
02/11 22Z,   0.40, -12.32, -12.07,  99.90,  -0.15,
02/11 23Z,   0.40, -11.16, -11.17,  99.90,  -0.41,  (max)
02/12 00Z,   0.40, -11.70, -12.00,  99.90,  -0.70,
02/12 01Z,   0.40, -14.19, -14.32,  99.90,  -0.53,
02/12 02Z,   0.40, -17.79, -17.81,  99.90,  -0.42,
02/12 03Z,   0.40, -21.40, -21.27,  99.90,  -0.27,
02/12 04Z,   0.40, -24.34, -24.52,  99.90,  -0.58,
02/12 05Z,   0.40, -27.19, -27.42,  99.90,  -0.63,
02/12 06Z,   0.30, -29.65, -29.42,  99.90,  -0.07,  (min)
02/12 07Z,   0.30, -29.53, -29.35,  99.90,  -0.12,
02/12 08Z,   0.30, -26.54, -26.34,  99.90,  -0.10,
02/12 09Z,   0.20, -22.76, -22.08,  99.90,   0.48,
02/12 10Z,   0.20, -18.79, -18.01,  99.90,   0.58,
02/12 11Z,   0.10, -14.42, -14.72,  99.90,  -0.40,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 12Z,   0.00, -11.21,  99.90, -11.57,  -0.36,
02/12 13Z,   0.00, -10.63,  99.90, -10.95,  -0.32,  (max)
02/12 14Z,   0.00, -12.45,  99.90, -12.72,  -0.27,
02/12 15Z,   0.00, -15.48,  99.90, -15.71,  -0.23,
02/12 16Z,   0.00, -18.36,  99.90, -18.54,  -0.18,
02/12 17Z,   0.00, -20.81,  99.90, -20.95,  -0.14,
02/12 18Z,   0.00, -23.12,  99.90, -23.21,  -0.10,
02/12 19Z,   0.10, -23.73,  99.90, -23.68,  -0.05,  (min)
02/12 20Z,   0.10, -21.41,  99.90, -21.32,  -0.01,
02/12 21Z,   0.10, -18.05,  99.90, -17.92,   0.03,
02/12 22Z,   0.20, -15.38,  99.90, -15.10,   0.08,
02/12 23Z,   0.20, -12.95,  99.90, -12.62,   0.12,
02/13 00Z,   0.20, -11.11,  99.90, -10.79,   0.12,  (max)
02/13 01Z,   0.20, -11.22,  99.90, -10.90,   0.12,
02/13 02Z,   0.20, -13.40,  99.90, -13.08,   0.12,
02/13 03Z,   0.30, -16.82,  99.90, -16.40,   0.12,
02/13 04Z,   0.30, -20.48,  99.90, -20.06,   0.12,
02/13 05Z,   0.30, -23.94,  99.90, -23.52,   0.12,
02/13 06Z,   0.30, -27.75,  99.90, -27.32,   0.12,
02/13 07Z,   0.40, -30.92,  99.90, -30.40,   0.12,
02/13 08Z,   0.40, -30.93,  99.90, -30.41,   0.12,  (min)
02/13 09Z,   0.50, -27.78,  99.90, -27.15,   0.12,
02/13 10Z,   0.50, -23.55,  99.90, -22.92,   0.12,
02/13 11Z,   0.50, -18.70,  99.90, -18.07,   0.12,
02/13 12Z,   0.50, -13.50,  99.90, -12.88,   0.12,
02/13 13Z,   0.50,  -9.90,  99.90,  -9.27,   0.12,
02/13 14Z,   0.40,  -9.19,  99.90,  -8.67,   0.12,  (max)
02/13 15Z,   0.40, -11.00,  99.90, -10.48,   0.12,
02/13 16Z,   0.30, -14.19,  99.90, -13.77,   0.12,
02/13 17Z,   0.30, -17.54,  99.90, -17.12,   0.12,
02/13 18Z,   0.20, -20.95,  99.90, -20.62,   0.12,
02/13 19Z,   0.20, -24.22,  99.90, -23.90,   0.12,
02/13 20Z,   0.10, -25.19,  99.90, -24.97,   0.12,  (min)
02/13 21Z,   0.00, -22.76,  99.90, -22.64,   0.12,
02/13 22Z,   0.00, -19.09,  99.90, -18.97,   0.12,
02/13 23Z,   0.00, -15.74,  99.90, -15.62,   0.12,
02/14 00Z,  -0.10, -12.47,  99.90, -12.45,   0.12,
02/14 01Z,  -0.10, -10.17,  99.90, -10.15,   0.12,  (max)
02/14 02Z,  -0.10, -10.18,  99.90, -10.16,   0.12,
02/14 03Z,  -0.10, -12.43,  99.90, -12.40,   0.12,
02/14 04Z,   0.00, -16.06,  99.90, -15.94,   0.12,
02/14 05Z,   0.00, -20.14,  99.90, -20.01,   0.12,
02/14 06Z,   0.00, -24.38,  99.90, -24.26,   0.12,
02/14 07Z,   0.00, -29.08,  99.90, -28.96,   0.12,
02/14 08Z,   0.00, -32.53,  99.90, -32.41,   0.12,  (min)
02/14 09Z,  -0.10, -32.05,  99.90, -32.02,   0.12,
02/14 10Z,  -0.20, -28.16,  99.90, -28.24,   0.12,
02/14 11Z,  -0.20, -23.09,  99.90, -23.17,   0.12,
02/14 12Z,  -0.30, -17.36,  99.90, -17.54,   0.12,
02/14 13Z,  -0.30, -11.72,  99.90, -11.90,   0.12,
02/14 14Z,  -0.30,  -8.24,  99.90,  -8.42,   0.12,
02/14 15Z,  -0.30,  -7.89,  99.90,  -8.07,   0.12,  (max)
02/14 16Z,  -0.30, -10.11,  99.90, -10.29,   0.12,
02/14 17Z,  -0.30, -13.77,  99.90, -13.94,   0.12,
02/14 18Z,  -0.30, -17.80,  99.90, -17.98,   0.12,
02/14 19Z,  -0.20, -22.15,  99.90, -22.22,   0.12,
02/14 20Z,  -0.20, -26.01,  99.90, -26.09,   0.12,
02/14 21Z,  -0.30, -26.71,  99.90, -26.88,   0.12,  (min)
02/14 22Z,  -0.30, -23.56,  99.90, -23.73,   0.12,
02/14 23Z,  -0.30, -19.11,  99.90, -19.28,   0.12,
02/15 00Z,  -0.30, -14.90,  99.90, -15.08,   0.12,
02/15 01Z,  -0.40, -11.03,  99.90, -11.31,   0.12,
02/15 02Z,  -0.40,  -8.74,  99.90,  -9.02,   0.12,  (max)
02/15 03Z,  -0.30,  -9.13,  99.90,  -9.31,   0.12,
02/15 04Z,  -0.30, -11.84,  99.90, -12.02,   0.12,
02/15 05Z,  -0.30, -15.98,  99.90, -16.16,   0.12,
02/15 06Z,  -0.30, -20.65,  99.90, -20.82,   0.12,
02/15 07Z,  -0.30, -25.66,  99.90, -25.84,   0.12,
02/15 08Z,  -0.30, -30.90,  99.90, -31.08,   0.12,
02/15 09Z,  -0.30, -33.95,  99.90, -34.12,   0.12,  (min)
02/15 10Z,  -0.30, -32.30,  99.90, -32.48,   0.12,
02/15 11Z,  -0.40, -27.25,  99.90, -27.53,   0.12,
02/15 12Z,  -0.40, -21.25,  99.90, -21.52,   0.12,
02/15 13Z,  -0.40, -14.97,  99.90, -15.24,   0.12,
02/15 14Z,  -0.40,  -9.51,  99.90,  -9.79,   0.12,
02/15 15Z,  -0.50,  -6.77,  99.90,  -7.15,   0.12,  (max)
02/15 16Z,  -0.50,  -7.22,  99.90,  -7.59,   0.12,
02/15 17Z,  -0.50, -10.11,  99.90, -10.49,   0.12,
02/15 18Z,  -0.60, -14.37,  99.90, -14.85,   0.12,
02/15 19Z,  -0.60, -19.10,  99.90, -19.58,   0.12,
02/15 20Z,  -0.60, -24.13,  99.90, -24.61,   0.12,
02/15 21Z,  -0.70, -27.99,  99.90, -28.57,   0.12,  (min)
02/15 22Z,  -0.70, -27.72,  99.90, -28.30,   0.12,
02/15 23Z,  -0.70, -23.34,  99.90, -23.92,   0.12,
02/16 00Z,  -0.70, -17.91,  99.90, -18.48,   0.12,