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 : 05/08/2026 07:22:49 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/06 12Z,   0.30, -19.91, -20.83,  99.90,  -1.22,
05/06 13Z,   0.30, -21.07, -22.41,  99.90,  -1.64,  (min)
05/06 14Z,   0.40, -19.07, -18.16,  99.90,   0.51,
05/06 15Z,   0.40, -13.13, -12.57,  99.90,   0.16,
05/06 16Z,   0.40,  -6.21,  -7.75,  99.90,  -1.94,
05/06 17Z,   0.40,  -2.23,  -4.03,  99.90,  -2.20,
05/06 18Z,   0.40,  -1.51,  -2.29,  99.90,  -1.18,  (max)
05/06 19Z,   0.40,  -2.86,  -3.34,  99.90,  -0.88,
05/06 20Z,   0.30,  -6.11,  -6.80,  99.90,  -0.99,
05/06 21Z,   0.30, -10.86, -11.65,  99.90,  -1.09,
05/06 22Z,   0.30, -16.31, -16.31,  99.90,  -0.30,
05/06 23Z,   0.20, -21.46, -20.82,  99.90,   0.44,
05/07 00Z,   0.20, -25.17, -25.01,  99.90,  -0.04,
05/07 01Z,   0.20, -27.06, -28.26,  99.90,  -1.40,  (min)
05/07 02Z,   0.20, -26.62, -28.08,  99.90,  -1.66,
05/07 03Z,   0.20, -22.32, -21.34,  99.90,   0.78,
05/07 04Z,   0.20, -15.09, -15.03,  99.90,  -0.14,
05/07 05Z,   0.20,  -8.75,  -9.98,  99.90,  -1.43,
05/07 06Z,   0.20,  -5.05,  -6.14,  99.90,  -1.29,
05/07 07Z,   0.20,  -3.10,  -3.75,  99.90,  -0.85,  (max)
05/07 08Z,   0.20,  -2.87,  -3.77,  99.90,  -1.10,
05/07 09Z,   0.10,  -4.91,  -6.25,  99.90,  -1.44,
05/07 10Z,   0.10,  -8.86, -10.22,  99.90,  -1.46,
05/07 11Z,   0.10, -13.74, -14.62,  99.90,  -0.98,
05/07 12Z,   0.10, -17.94, -18.40,  99.90,  -0.56,
05/07 13Z,   0.10, -20.31, -21.14,  99.90,  -0.93,  (min)
05/07 14Z,   0.10, -20.56, -20.91,  99.90,  -0.45,
05/07 15Z,   0.20, -17.70, -16.34,  99.90,   1.16,
05/07 16Z,   0.20, -11.59, -11.41,  99.90,  -0.02,
05/07 17Z,   0.20,  -5.63,  -7.51,  99.90,  -2.08,
05/07 18Z,   0.20,  -2.92,  -4.64,  99.90,  -1.92,
05/07 19Z,   0.20,  -2.94,  -3.87,  99.90,  -1.13,  (max)
05/07 20Z,   0.20,  -4.52,  -5.66,  99.90,  -1.34,
05/07 21Z,   0.10,  -7.78,  -9.35,  99.90,  -1.67,
05/07 22Z,   0.10, -12.43, -13.97,  99.90,  -1.64,
05/07 23Z,   0.10, -17.70, -18.29,  99.90,  -0.69,
05/08 00Z,   0.00, -22.39, -22.39,  99.90,   0.00,
05/08 01Z,   0.00, -25.33, -26.00,  99.90,  -0.67,
05/08 02Z,   0.00, -26.36, -28.12,  99.90,  -1.76,  (min)
05/08 03Z,   0.00, -25.06, -25.04,  99.90,   0.02,
05/08 04Z,   0.00, -20.26, -18.94,  99.90,   1.32,
05/08 05Z,  -0.10, -13.50, -13.61,  99.90,  -0.01,
05/08 06Z,  -0.10,  -8.32,  -9.18,  99.90,  -0.76,
05/08 07Z,  -0.10,  -5.50,  -5.91,  99.90,  -0.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/08 08Z,  -0.10,  -3.94,  99.90,  -4.36,  -0.32,  (max)
05/08 09Z,  -0.20,  -3.93,  99.90,  -4.47,  -0.33,
05/08 10Z,  -0.20,  -6.09,  99.90,  -6.64,  -0.35,
05/08 11Z,  -0.20, -10.05,  99.90, -10.61,  -0.36,
05/08 12Z,  -0.20, -14.68,  99.90, -15.25,  -0.37,
05/08 13Z,  -0.20, -18.31,  99.90, -18.90,  -0.38,
05/08 14Z,  -0.20, -20.08,  99.90, -20.68,  -0.40,  (min)
05/08 15Z,  -0.20, -19.92,  99.90, -20.52,  -0.41,
05/08 16Z,  -0.20, -16.86,  99.90, -17.48,  -0.42,
05/08 17Z,  -0.30, -11.18,  99.90, -11.91,  -0.43,
05/08 18Z,  -0.30,  -6.30,  99.90,  -7.04,  -0.45,
05/08 19Z,  -0.30,  -4.45,  99.90,  -5.21,  -0.46,  (max)
05/08 20Z,  -0.30,  -4.57,  99.90,  -5.33,  -0.46,
05/08 21Z,  -0.30,  -5.89,  99.90,  -6.65,  -0.46,
05/08 22Z,  -0.30,  -8.84,  99.90,  -9.60,  -0.46,
05/08 23Z,  -0.30, -13.21,  99.90, -13.97,  -0.46,
05/09 00Z,  -0.30, -18.13,  99.90, -18.88,  -0.46,
05/09 01Z,  -0.30, -22.27,  99.90, -23.03,  -0.46,
05/09 02Z,  -0.30, -24.59,  99.90, -25.35,  -0.46,
05/09 03Z,  -0.30, -25.22,  99.90, -25.98,  -0.46,  (min)
05/09 04Z,  -0.30, -23.67,  99.90, -24.43,  -0.46,
05/09 05Z,  -0.30, -18.95,  99.90, -19.71,  -0.46,
05/09 06Z,  -0.30, -12.93,  99.90, -13.69,  -0.46,
05/09 07Z,  -0.20,  -8.67,  99.90,  -9.33,  -0.46,
05/09 08Z,  -0.20,  -6.23,  99.90,  -6.89,  -0.46,
05/09 09Z,  -0.20,  -4.65,  99.90,  -5.31,  -0.46,
05/09 10Z,  -0.20,  -4.62,  99.90,  -5.28,  -0.46,  (max)
05/09 11Z,  -0.20,  -6.75,  99.90,  -7.41,  -0.46,
05/09 12Z,  -0.10, -10.58,  99.90, -11.14,  -0.46,
05/09 13Z,  -0.10, -14.88,  99.90, -15.43,  -0.46,
05/09 14Z,  -0.10, -18.07,  99.90, -18.63,  -0.46,
05/09 15Z,   0.00, -19.68,  99.90, -20.14,  -0.46,
05/09 16Z,   0.00, -19.68,  99.90, -20.14,  -0.46,  (min)
05/09 17Z,   0.00, -16.93,  99.90, -17.39,  -0.46,
05/09 18Z,   0.00, -11.92,  99.90, -12.38,  -0.46,
05/09 19Z,   0.00,  -7.86,  99.90,  -8.32,  -0.46,
05/09 20Z,   0.00,  -6.24,  99.90,  -6.70,  -0.46,
05/09 21Z,   0.00,  -5.89,  99.90,  -6.34,  -0.46,  (max)
05/09 22Z,   0.00,  -6.61,  99.90,  -7.07,  -0.46,
05/09 23Z,   0.00,  -9.10,  99.90,  -9.55,  -0.46,
05/10 00Z,   0.00, -13.09,  99.90, -13.55,  -0.46,
05/10 01Z,   0.00, -17.64,  99.90, -18.10,  -0.46,
05/10 02Z,   0.00, -21.36,  99.90, -21.81,  -0.46,
05/10 03Z,   0.10, -23.45,  99.90, -23.81,  -0.46,
05/10 04Z,   0.10, -24.21,  99.90, -24.57,  -0.46,  (min)
05/10 05Z,   0.10, -22.86,  99.90, -23.22,  -0.46,
05/10 06Z,   0.10, -18.44,  99.90, -18.79,  -0.46,
05/10 07Z,   0.10, -13.02,  99.90, -13.38,  -0.46,
05/10 08Z,   0.10,  -9.20,  99.90,  -9.55,  -0.46,
05/10 09Z,   0.20,  -6.64,  99.90,  -6.90,  -0.46,
05/10 10Z,   0.20,  -4.80,  99.90,  -5.05,  -0.46,
05/10 11Z,   0.20,  -4.67,  99.90,  -4.93,  -0.46,  (max)
05/10 12Z,   0.20,  -6.78,  99.90,  -7.04,  -0.46,
05/10 13Z,   0.30, -10.52,  99.90, -10.68,  -0.46,
05/10 14Z,   0.30, -14.61,  99.90, -14.77,  -0.46,
05/10 15Z,   0.40, -17.71,  99.90, -17.77,  -0.46,
05/10 16Z,   0.40, -19.69,  99.90, -19.75,  -0.46,
05/10 17Z,   0.50, -20.28,  99.90, -20.24,  -0.46,  (min)
05/10 18Z,   0.50, -18.00,  99.90, -17.96,  -0.46,
05/10 19Z,   0.50, -13.46,  99.90, -13.42,  -0.46,
05/10 20Z,   0.50,  -9.69,  99.90,  -9.65,  -0.46,
05/10 21Z,   0.40,  -7.66,  99.90,  -7.72,  -0.46,
05/10 22Z,   0.40,  -6.44,  99.90,  -6.50,  -0.46,  (max)
05/10 23Z,   0.40,  -6.45,  99.90,  -6.51,  -0.46,
05/11 00Z,   0.40,  -8.51,  99.90,  -8.57,  -0.46,
05/11 01Z,   0.40, -12.24,  99.90, -12.30,  -0.46,
05/11 02Z,   0.50, -16.57,  99.90, -16.53,  -0.46,
05/11 03Z,   0.60, -20.15,  99.90, -20.01,  -0.46,
05/11 04Z,   0.60, -22.46,  99.90, -22.32,  -0.46,
05/11 05Z,   0.70, -23.70,  99.90, -23.46,  -0.46,  (min)
05/11 06Z,   0.70, -22.64,  99.90, -22.40,  -0.46,
05/11 07Z,   0.70, -18.36,  99.90, -18.11,  -0.46,
05/11 08Z,   0.70, -13.14,  99.90, -12.90,  -0.46,
05/11 09Z,   0.70,  -9.25,  99.90,  -9.01,  -0.46,
05/11 10Z,   0.60,  -6.27,  99.90,  -6.12,  -0.46,
05/11 11Z,   0.60,  -4.15,  99.90,  -4.01,  -0.46,
05/11 12Z,   0.60,  -4.09,  99.90,  -3.95,  -0.46,  (max)
05/11 13Z,   0.60,  -6.37,  99.90,  -6.23,  -0.46,
05/11 14Z,   0.60, -10.23,  99.90, -10.09,  -0.46,
05/11 15Z,   0.60, -14.41,  99.90, -14.26,  -0.46,
05/11 16Z,   0.60, -17.83,  99.90, -17.69,  -0.46,
05/11 17Z,   0.50, -20.53,  99.90, -20.49,  -0.46,
05/11 18Z,   0.50, -21.78,  99.90, -21.74,  -0.46,  (min)
05/11 19Z,   0.40, -19.74,  99.90, -19.80,  -0.46,
05/11 20Z,   0.30, -15.21,  99.90, -15.37,  -0.46,
05/11 21Z,   0.20, -11.13,  99.90, -11.39,  -0.46,
05/11 22Z,   0.10,  -8.22,  99.90,  -8.57,  -0.46,
05/11 23Z,   0.10,  -6.01,  99.90,  -6.37,  -0.46,
05/12 00Z,   0.00,  -5.47,  99.90,  -5.93,  -0.46,