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 : 05/24/2025 11:23:55 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 12Z,  -0.50,  -2.41,  -2.34,  99.90,   0.57,  (max)
05/22 13Z,  -0.50,  -4.67,  -4.65,  99.90,   0.52,
05/22 14Z,  -0.50,  -8.71,  -8.75,  99.90,   0.46,
05/22 15Z,  -0.50, -13.43, -13.43,  99.90,   0.50,
05/22 16Z,  -0.50, -17.71, -17.88,  99.90,   0.33,
05/22 17Z,  -0.50, -21.28, -21.89,  99.90,  -0.11,
05/22 18Z,  -0.50, -23.73, -24.98,  99.90,  -0.75,  (min)
05/22 19Z,  -0.50, -22.90, -24.59,  99.90,  -1.19,
05/22 20Z,  -0.50, -18.21, -18.85,  99.90,  -0.14,
05/22 21Z,  -0.50, -12.55, -13.46,  99.90,  -0.41,
05/22 22Z,  -0.50,  -8.11,  -9.03,  99.90,  -0.42,
05/22 23Z,  -0.50,  -4.90,  -5.80,  99.90,  -0.40,
05/23 00Z,  -0.60,  -3.56,  -4.33,  99.90,  -0.17,  (max)
05/23 01Z,  -0.60,  -4.98,  -5.48,  99.90,   0.10,
05/23 02Z,  -0.60,  -8.69,  -8.71,  99.90,   0.58,
05/23 03Z,  -0.50, -13.50, -13.25,  99.90,   0.75,
05/23 04Z,  -0.50, -18.09, -17.80,  99.90,   0.79,
05/23 05Z,  -0.50, -21.71, -21.87,  99.90,   0.34,
05/23 06Z,  -0.50, -24.35, -25.23,  99.90,  -0.38,
05/23 07Z,  -0.50, -24.49, -25.55,  99.90,  -0.56,  (min)
05/23 08Z,  -0.50, -20.35, -19.38,  99.90,   1.47,
05/23 09Z,  -0.40, -13.72, -13.28,  99.90,   0.84,
05/23 10Z,  -0.40,  -7.84,  -8.09,  99.90,   0.15,
05/23 11Z,  -0.40,  -3.50,  -3.93,  99.90,  -0.03,
05/23 12Z,  -0.30,  -0.90,  -1.28,  99.90,  -0.08,  (max)
05/23 13Z,  -0.30,  -1.05,  -1.29,  99.90,   0.06,
05/23 14Z,  -0.30,  -3.96,  -4.21,  99.90,   0.05,
05/23 15Z,  -0.30,  -8.62,  -8.89,  99.90,   0.03,
05/23 16Z,  -0.20, -13.86, -13.87,  99.90,   0.19,
05/23 17Z,  -0.20, -18.75, -18.71,  99.90,   0.24,
05/23 18Z,  -0.20, -23.18, -23.12,  99.90,   0.26,
05/23 19Z,  -0.20, -26.23, -26.68,  99.90,  -0.25,
05/23 20Z,  -0.20, -25.28, -26.74,  99.90,  -1.26,  (min)
05/23 21Z,  -0.20, -19.99, -19.67,  99.90,   0.52,
05/23 22Z,  -0.20, -13.51, -13.28,  99.90,   0.43,
05/23 23Z,  -0.20,  -7.94,  -8.32,  99.90,  -0.18,
05/24 00Z,  -0.20,  -3.70,  -4.66,  99.90,  -0.76,
05/24 01Z,  -0.20,  -1.95,  -2.73,  99.90,  -0.58,  (max)
05/24 02Z,  -0.20,  -3.45,  -3.83,  99.90,  -0.18,
05/24 03Z,  -0.10,  -7.39,  -7.24,  99.90,   0.25,
05/24 04Z,  -0.10, -12.44, -11.85,  99.90,   0.69,
05/24 05Z,   0.00, -17.28, -16.60,  99.90,   0.68,
05/24 06Z,   0.00, -21.37, -20.99,  99.90,   0.38,
05/24 07Z,   0.00, -24.44, -24.61,  99.90,  -0.17,
05/24 08Z,   0.00, -24.41, -24.95,  99.90,  -0.54,  (min)
05/24 09Z,   0.00, -19.62, -17.88,  99.90,   1.74,
05/24 10Z,   0.00, -12.40, -11.43,  99.90,   0.97,
05/24 11Z,   0.00,  -6.02,  -6.03,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/24 12Z,   0.00,  -1.36,  99.90,  -1.38,  -0.02,
05/24 13Z,   0.10,   0.96,  99.90,   1.03,  -0.03,  (max)
05/24 14Z,   0.10,   0.01,  99.90,   0.08,  -0.03,
05/24 15Z,   0.10,  -3.75,  99.90,  -3.69,  -0.04,
05/24 16Z,   0.10,  -9.08,  99.90,  -9.03,  -0.05,
05/24 17Z,   0.20, -14.84,  99.90, -14.69,  -0.05,
05/24 18Z,   0.20, -20.31,  99.90, -20.17,  -0.06,
05/24 19Z,   0.20, -25.45,  99.90, -25.32,  -0.07,
05/24 20Z,   0.20, -28.73,  99.90, -28.61,  -0.07,  (min)
05/24 21Z,   0.10, -27.20,  99.90, -27.18,  -0.08,
05/24 22Z,   0.10, -21.00,  99.90, -20.99,  -0.09,
05/24 23Z,   0.10, -13.56,  99.90, -13.56,  -0.09,
05/25 00Z,   0.10,  -7.00,  99.90,  -6.99,  -0.09,
05/25 01Z,   0.10,  -2.15,  99.90,  -2.14,  -0.09,
05/25 02Z,   0.10,  -0.44,  99.90,  -0.43,  -0.09,  (max)
05/25 03Z,   0.10,  -2.28,  99.90,  -2.27,  -0.09,
05/25 04Z,   0.20,  -6.53,  99.90,  -6.42,  -0.09,
05/25 05Z,   0.20, -11.77,  99.90, -11.67,  -0.09,
05/25 06Z,   0.20, -16.80,  99.90, -16.69,  -0.09,
05/25 07Z,   0.30, -21.24,  99.90, -21.04,  -0.09,
05/25 08Z,   0.30, -24.50,  99.90, -24.29,  -0.09,  (min)
05/25 09Z,   0.30, -23.96,  99.90, -23.76,  -0.09,
05/25 10Z,   0.40, -18.31,  99.90, -18.00,  -0.09,
05/25 11Z,   0.40, -10.48,  99.90, -10.18,  -0.09,
05/25 12Z,   0.40,  -3.80,  99.90,  -3.49,  -0.09,
05/25 13Z,   0.40,   0.76,  99.90,   1.07,  -0.09,
05/25 14Z,   0.40,   2.35,  99.90,   2.66,  -0.09,  (max)
05/25 15Z,   0.40,   0.37,  99.90,   0.67,  -0.09,
05/25 16Z,   0.40,  -4.24,  99.90,  -3.94,  -0.09,
05/25 17Z,   0.40, -10.10,  99.90,  -9.80,  -0.09,
05/25 18Z,   0.40, -16.19,  99.90, -15.89,  -0.09,
05/25 19Z,   0.40, -22.09,  99.90, -21.79,  -0.09,
05/25 20Z,   0.40, -27.67,  99.90, -27.36,  -0.09,
05/25 21Z,   0.30, -30.76,  99.90, -30.55,  -0.09,  (min)
05/25 22Z,   0.30, -28.28,  99.90, -28.07,  -0.09,
05/25 23Z,   0.20, -21.05,  99.90, -20.94,  -0.09,
05/26 00Z,   0.20, -12.78,  99.90, -12.67,  -0.09,
05/26 01Z,   0.30,  -5.61,  99.90,  -5.40,  -0.09,
05/26 02Z,   0.30,  -0.68,  99.90,  -0.48,  -0.09,
05/26 03Z,   0.30,   0.60,  99.90,   0.80,  -0.09,  (max)
05/26 04Z,   0.30,  -1.70,  99.90,  -1.49,  -0.09,
05/26 05Z,   0.30,  -6.17,  99.90,  -5.97,  -0.09,
05/26 06Z,   0.30, -11.46,  99.90, -11.25,  -0.09,
05/26 07Z,   0.20, -16.56,  99.90, -16.45,  -0.09,
05/26 08Z,   0.20, -21.24,  99.90, -21.13,  -0.09,
05/26 09Z,   0.20, -24.42,  99.90, -24.31,  -0.09,  (min)
05/26 10Z,   0.20, -23.10,  99.90, -22.99,  -0.09,
05/26 11Z,   0.20, -16.53,  99.90, -16.42,  -0.09,
05/26 12Z,   0.20,  -8.29,  99.90,  -8.19,  -0.09,
05/26 13Z,   0.20,  -1.66,  99.90,  -1.56,  -0.09,
05/26 14Z,   0.20,   2.35,  99.90,   2.45,  -0.09,
05/26 15Z,   0.30,   2.90,  99.90,   3.11,  -0.09,  (max)
05/26 16Z,   0.30,  -0.10,  99.90,   0.10,  -0.09,
05/26 17Z,   0.30,  -5.32,  99.90,  -5.11,  -0.09,
05/26 18Z,   0.30, -11.42,  99.90, -11.22,  -0.09,
05/26 19Z,   0.30, -17.64,  99.90, -17.43,  -0.09,
05/26 20Z,   0.30, -23.80,  99.90, -23.59,  -0.09,
05/26 21Z,   0.30, -29.52,  99.90, -29.32,  -0.09,
05/26 22Z,   0.30, -32.01,  99.90, -31.81,  -0.09,  (min)
05/26 23Z,   0.30, -28.35,  99.90, -28.15,  -0.09,
05/27 00Z,   0.30, -20.17,  99.90, -19.96,  -0.09,
05/27 01Z,   0.30, -11.42,  99.90, -11.22,  -0.09,
05/27 02Z,   0.30,  -4.17,  99.90,  -3.96,  -0.09,
05/27 03Z,   0.30,   0.34,  99.90,   0.55,  -0.09,
05/27 04Z,   0.30,   0.98,  99.90,   1.19,  -0.09,  (max)
05/27 05Z,   0.30,  -1.68,  99.90,  -1.48,  -0.09,
05/27 06Z,   0.20,  -6.21,  99.90,  -6.11,  -0.09,
05/27 07Z,   0.20, -11.42,  99.90, -11.32,  -0.09,
05/27 08Z,   0.20, -16.56,  99.90, -16.46,  -0.09,
05/27 09Z,   0.20, -21.38,  99.90, -21.27,  -0.09,
05/27 10Z,   0.10, -24.23,  99.90, -24.22,  -0.09,  (min)
05/27 11Z,   0.10, -21.92,  99.90, -21.91,  -0.09,
05/27 12Z,   0.20, -14.53,  99.90, -14.42,  -0.09,
05/27 13Z,   0.20,  -6.21,  99.90,  -6.10,  -0.09,
05/27 14Z,   0.20,  -0.06,  99.90,   0.05,  -0.09,
05/27 15Z,   0.30,   3.06,  99.90,   3.27,  -0.09,  (max)
05/27 16Z,   0.40,   2.53,  99.90,   2.84,  -0.09,
05/27 17Z,   0.40,  -1.23,  99.90,  -0.93,  -0.09,
05/27 18Z,   0.50,  -6.70,  99.90,  -6.29,  -0.09,
05/27 19Z,   0.50, -12.79,  99.90, -12.38,  -0.09,
05/27 20Z,   0.50, -19.00,  99.90, -18.59,  -0.09,
05/27 21Z,   0.40, -25.28,  99.90, -24.98,  -0.09,
05/27 22Z,   0.40, -30.84,  99.90, -30.54,  -0.09,
05/27 23Z,   0.40, -32.36,  99.90, -32.06,  -0.09,  (min)
05/28 00Z,   0.40, -27.43,  99.90, -27.12,  -0.09,