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
#Alitak, AK : 05/24/2025 11:23:09 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 12Z,  -0.50, -12.14, -11.99,  99.90,   0.65,
05/22 13Z,  -0.50, -12.43, -12.20,  99.90,   0.73,  (min)
05/22 14Z,  -0.50, -11.93, -11.77,  99.90,   0.66,
05/22 15Z,  -0.60, -10.73, -10.66,  99.90,   0.67,
05/22 16Z,  -0.60,  -9.04,  -9.00,  99.90,   0.64,
05/22 17Z,  -0.60,  -7.41,  -7.45,  99.90,   0.56,
05/22 18Z,  -0.60,  -6.43,  -6.41,  99.90,   0.62,
05/22 19Z,  -0.60,  -6.33,  -6.30,  99.90,   0.63,  (max)
05/22 20Z,  -0.60,  -7.04,  -7.32,  99.90,   0.32,
05/22 21Z,  -0.60,  -8.43,  -8.68,  99.90,   0.35,
05/22 22Z,  -0.60, -10.21, -10.20,  99.90,   0.61,
05/22 23Z,  -0.60, -11.93, -11.91,  99.90,   0.62,
05/23 00Z,  -0.60, -13.11, -13.04,  99.90,   0.67,
05/23 01Z,  -0.60, -13.39, -13.26,  99.90,   0.73,  (min)
05/23 02Z,  -0.70, -12.70, -12.82,  99.90,   0.58,
05/23 03Z,  -0.70, -11.14, -11.45,  99.90,   0.39,
05/23 04Z,  -0.70,  -8.91,  -9.01,  99.90,   0.60,
05/23 05Z,  -0.70,  -6.51,  -6.71,  99.90,   0.50,
05/23 06Z,  -0.70,  -4.68,  -4.85,  99.90,   0.53,
05/23 07Z,  -0.60,  -3.89,  -3.94,  99.90,   0.55,  (max)
05/23 08Z,  -0.60,  -4.22,  -4.36,  99.90,   0.46,
05/23 09Z,  -0.60,  -5.57,  -5.79,  99.90,   0.38,
05/23 10Z,  -0.60,  -7.68,  -7.74,  99.90,   0.54,
05/23 11Z,  -0.60, -10.10, -10.04,  99.90,   0.66,
05/23 12Z,  -0.60, -12.27, -12.12,  99.90,   0.75,
05/23 13Z,  -0.60, -13.70, -13.59,  99.90,   0.71,
05/23 14Z,  -0.60, -14.13, -13.91,  99.90,   0.82,  (min)
05/23 15Z,  -0.60, -13.51, -13.17,  99.90,   0.94,
05/23 16Z,  -0.60, -11.95, -11.79,  99.90,   0.76,
05/23 17Z,  -0.60,  -9.74,  -9.73,  99.90,   0.61,
05/23 18Z,  -0.50,  -7.58,  -7.43,  99.90,   0.65,
05/23 19Z,  -0.50,  -6.16,  -6.00,  99.90,   0.66,
05/23 20Z,  -0.50,  -5.76,  -5.83,  99.90,   0.43,  (max)
05/23 21Z,  -0.50,  -6.38,  -6.56,  99.90,   0.32,
05/23 22Z,  -0.60,  -7.86,  -7.95,  99.90,   0.51,
05/23 23Z,  -0.60,  -9.80,  -9.85,  99.90,   0.55,
05/24 00Z,  -0.50, -11.64, -11.65,  99.90,   0.49,
05/24 01Z,  -0.50, -12.85, -12.85,  99.90,   0.50,
05/24 02Z,  -0.50, -13.07, -13.01,  99.90,   0.56,  (min)
05/24 03Z,  -0.40, -12.21, -12.21,  99.90,   0.40,
05/24 04Z,  -0.40, -10.40, -10.48,  99.90,   0.32,
05/24 05Z,  -0.40,  -7.89,  -7.95,  99.90,   0.34,
05/24 06Z,  -0.40,  -5.29,  -5.42,  99.90,   0.27,
05/24 07Z,  -0.40,  -3.41,  -3.52,  99.90,   0.29,
05/24 08Z,  -0.40,  -2.78,  -3.11,  99.90,   0.07,  (max)
05/24 09Z,  -0.40,  -3.47,  -3.83,  99.90,   0.04,
05/24 10Z,  -0.40,  -5.38,  -5.55,  99.90,   0.23,
05/24 11Z,  -0.30,  -8.13,  -8.23,  99.90,   0.20,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/24 12Z,  -0.30, -11.13,  99.90, -11.21,   0.22,
05/24 13Z,  -0.30, -13.73,  99.90, -13.79,   0.24,
05/24 14Z,  -0.30, -15.38,  99.90, -15.43,   0.25,
05/24 15Z,  -0.30, -15.79,  99.90, -15.81,   0.27,  (min)
05/24 16Z,  -0.40, -14.91,  99.90, -15.02,   0.29,
05/24 17Z,  -0.40, -12.87,  99.90, -12.96,   0.31,
05/24 18Z,  -0.40, -10.10,  99.90, -10.17,   0.32,
05/24 19Z,  -0.40,  -7.43,  99.90,  -7.48,   0.34,
05/24 20Z,  -0.40,  -5.64,  99.90,  -5.68,   0.36,
05/24 21Z,  -0.40,  -5.08,  99.90,  -5.10,   0.38,  (max)
05/24 22Z,  -0.40,  -5.76,  99.90,  -5.76,   0.39,
05/24 23Z,  -0.30,  -7.41,  99.90,  -7.30,   0.41,
05/25 00Z,  -0.30,  -9.53,  99.90,  -9.41,   0.41,
05/25 01Z,  -0.30, -11.46,  99.90, -11.35,   0.41,
05/25 02Z,  -0.30, -12.64,  99.90, -12.53,   0.41,
05/25 03Z,  -0.30, -12.71,  99.90, -12.60,   0.41,  (min)
05/25 04Z,  -0.30, -11.64,  99.90, -11.52,   0.41,
05/25 05Z,  -0.30,  -9.55,  99.90,  -9.44,   0.41,
05/25 06Z,  -0.30,  -6.78,  99.90,  -6.67,   0.41,
05/25 07Z,  -0.30,  -4.04,  99.90,  -3.92,   0.41,
05/25 08Z,  -0.20,  -2.22,  99.90,  -2.01,   0.41,
05/25 09Z,  -0.20,  -1.86,  99.90,  -1.65,   0.41,  (max)
05/25 10Z,  -0.10,  -3.05,  99.90,  -2.73,   0.41,
05/25 11Z,  -0.10,  -5.56,  99.90,  -5.24,   0.41,
05/25 12Z,  -0.10,  -8.89,  99.90,  -8.58,   0.41,
05/25 13Z,  -0.20, -12.35,  99.90, -12.14,   0.41,
05/25 14Z,  -0.20, -15.22,  99.90, -15.01,   0.41,
05/25 15Z,  -0.30, -16.92,  99.90, -16.81,   0.41,
05/25 16Z,  -0.30, -17.15,  99.90, -17.04,   0.41,  (min)
05/25 17Z,  -0.30, -15.91,  99.90, -15.80,   0.41,
05/25 18Z,  -0.20, -13.36,  99.90, -13.15,   0.41,
05/25 19Z,  -0.20, -10.06,  99.90,  -9.85,   0.41,
05/25 20Z,  -0.20,  -6.99,  99.90,  -6.78,   0.41,
05/25 21Z,  -0.10,  -5.01,  99.90,  -4.70,   0.41,
05/25 22Z,  -0.10,  -4.47,  99.90,  -4.16,   0.41,  (max)
05/25 23Z,  -0.20,  -5.32,  99.90,  -5.11,   0.41,
05/26 00Z,  -0.20,  -7.19,  99.90,  -6.98,   0.41,
05/26 01Z,  -0.20,  -9.44,  99.90,  -9.22,   0.41,
05/26 02Z,  -0.30, -11.38,  99.90, -11.27,   0.41,
05/26 03Z,  -0.30, -12.45,  99.90, -12.34,   0.41,  (min)
05/26 04Z,  -0.30, -12.33,  99.90, -12.22,   0.41,
05/26 05Z,  -0.30, -11.03,  99.90, -10.91,   0.41,
05/26 06Z,  -0.30,  -8.69,  99.90,  -8.58,   0.41,
05/26 07Z,  -0.30,  -5.70,  99.90,  -5.59,   0.41,
05/26 08Z,  -0.30,  -2.92,  99.90,  -2.81,   0.41,
05/26 09Z,  -0.20,  -1.30,  99.90,  -1.09,   0.41,  (max)
05/26 10Z,  -0.20,  -1.33,  99.90,  -1.12,   0.41,
05/26 11Z,  -0.20,  -3.04,  99.90,  -2.82,   0.41,
05/26 12Z,  -0.20,  -6.08,  99.90,  -5.87,   0.41,
05/26 13Z,  -0.20,  -9.85,  99.90,  -9.64,   0.41,
05/26 14Z,  -0.20, -13.58,  99.90, -13.36,   0.41,
05/26 15Z,  -0.20, -16.51,  99.90, -16.30,   0.41,
05/26 16Z,  -0.20, -18.08,  99.90, -17.87,   0.41,  (min)
05/26 17Z,  -0.20, -18.05,  99.90, -17.84,   0.41,
05/26 18Z,  -0.20, -16.41,  99.90, -16.19,   0.41,
05/26 19Z,  -0.10, -13.37,  99.90, -13.06,   0.41,
05/26 20Z,  -0.10,  -9.66,  99.90,  -9.35,   0.41,
05/26 21Z,  -0.10,  -6.40,  99.90,  -6.09,   0.41,
05/26 22Z,  -0.10,  -4.45,  99.90,  -4.14,   0.41,
05/26 23Z,  -0.20,  -4.10,  99.90,  -3.89,   0.41,  (max)
05/27 00Z,  -0.20,  -5.18,  99.90,  -4.97,   0.41,
05/27 01Z,  -0.20,  -7.23,  99.90,  -7.02,   0.41,
05/27 02Z,  -0.20,  -9.53,  99.90,  -9.32,   0.41,
05/27 03Z,  -0.20, -11.39,  99.90, -11.18,   0.41,
05/27 04Z,  -0.30, -12.28,  99.90, -12.17,   0.41,  (min)
05/27 05Z,  -0.30, -11.95,  99.90, -11.84,   0.41,
05/27 06Z,  -0.20, -10.43,  99.90, -10.22,   0.41,
05/27 07Z,  -0.20,  -7.88,  99.90,  -7.67,   0.41,
05/27 08Z,  -0.10,  -4.77,  99.90,  -4.46,   0.41,
05/27 09Z,   0.00,  -2.10,  99.90,  -1.69,   0.41,
05/27 10Z,   0.00,  -0.80,  99.90,  -0.39,   0.41,  (max)
05/27 11Z,   0.00,  -1.28,  99.90,  -0.87,   0.41,
05/27 12Z,   0.00,  -3.45,  99.90,  -3.04,   0.41,
05/27 13Z,   0.00,  -6.87,  99.90,  -6.46,   0.41,
05/27 14Z,   0.00, -10.86,  99.90, -10.44,   0.41,
05/27 15Z,   0.00, -14.61,  99.90, -14.20,   0.41,
05/27 16Z,   0.00, -17.41,  99.90, -16.99,   0.41,
05/27 17Z,   0.00, -18.74,  99.90, -18.33,   0.41,  (min)
05/27 18Z,   0.00, -18.38,  99.90, -17.97,   0.41,
05/27 19Z,   0.00, -16.34,  99.90, -15.93,   0.41,
05/27 20Z,   0.00, -12.93,  99.90, -12.52,   0.41,
05/27 21Z,   0.00,  -9.03,  99.90,  -8.62,   0.41,
05/27 22Z,   0.00,  -5.84,  99.90,  -5.43,   0.41,
05/27 23Z,   0.00,  -4.13,  99.90,  -3.71,   0.41,
05/28 00Z,   0.00,  -4.05,  99.90,  -3.64,   0.41,