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 : 02/06/2026 22:22:34 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 06Z,   0.50, -15.51, -14.45,  99.90,   0.56,
02/05 07Z,   0.50, -16.37, -15.30,  99.90,   0.57,  (min)
02/05 08Z,   0.60, -15.65, -15.08,  99.90,  -0.03,
02/05 09Z,   0.60, -13.44, -13.11,  99.90,  -0.27,
02/05 10Z,   0.50, -10.11,  -9.54,  99.90,   0.07,
02/05 11Z,   0.40,  -6.53,  -5.89,  99.90,   0.24,
02/05 12Z,   0.50,  -3.83,  -2.95,  99.90,   0.38,
02/05 13Z,   0.40,  -2.70,  -1.65,  99.90,   0.65,  (max)
02/05 14Z,   0.30,  -3.20,  -2.46,  99.90,   0.44,
02/05 15Z,   0.20,  -5.05,  -4.14,  99.90,   0.71,
02/05 16Z,   0.20,  -7.72,  -6.80,  99.90,   0.72,
02/05 17Z,   0.20, -10.52,  -9.74,  99.90,   0.58,
02/05 18Z,   0.30, -12.82, -12.00,  99.90,   0.52,
02/05 19Z,   0.30, -14.05, -13.20,  99.90,   0.55,  (min)
02/05 20Z,   0.20, -13.95, -13.05,  99.90,   0.70,
02/05 21Z,   0.10, -12.54, -11.84,  99.90,   0.60,
02/05 22Z,   0.00, -10.09,  -9.61,  99.90,   0.48,
02/05 23Z,   0.00,  -7.19,  -6.72,  99.90,   0.47,
02/06 00Z,   0.00,  -4.80,  -4.29,  99.90,   0.51,
02/06 01Z,   0.00,  -3.72,  -3.30,  99.90,   0.42,  (max)
02/06 02Z,   0.00,  -4.14,  -3.79,  99.90,   0.35,
02/06 03Z,  -0.10,  -5.84,  -5.39,  99.90,   0.55,
02/06 04Z,  -0.20,  -8.38,  -8.06,  99.90,   0.52,
02/06 05Z,  -0.30, -11.16, -11.02,  99.90,   0.44,
02/06 06Z,  -0.20, -13.52, -13.41,  99.90,   0.31,
02/06 07Z,  -0.20, -14.90, -14.67,  99.90,   0.43,
02/06 08Z,  -0.30, -14.93, -14.78,  99.90,   0.45,  (min)
02/06 09Z,  -0.30, -13.59, -13.77,  99.90,   0.12,
02/06 10Z,  -0.40, -11.14, -11.29,  99.90,   0.25,
02/06 11Z,  -0.40,  -8.03,  -7.88,  99.90,   0.55,
02/06 12Z,  -0.50,  -5.11,  -4.91,  99.90,   0.70,
02/06 13Z,  -0.50,  -3.30,  -2.97,  99.90,   0.83,
02/06 14Z,  -0.50,  -3.01,  -2.84,  99.90,   0.67,  (max)
02/06 15Z,  -0.60,  -4.10,  -3.99,  99.90,   0.71,
02/06 16Z,  -0.60,  -6.20,  -5.95,  99.90,   0.85,
02/06 17Z,  -0.60,  -8.81,  -8.51,  99.90,   0.90,
02/06 18Z,  -0.70, -11.32, -10.96,  99.90,   1.06,
02/06 19Z,  -0.70, -13.15, -12.73,  99.90,   1.12,
02/06 20Z,  -0.60, -13.87, -13.35,  99.90,   1.12,  (min)
02/06 21Z,  -0.60, -13.37, -12.81,  99.90,   1.16,
02/06 22Z,  -0.50, -11.82, -11.54,  99.90,   0.78,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/06 23Z,  -0.50,  -9.53,  99.90,  -9.26,   0.77,
02/07 00Z,  -0.40,  -7.10,  99.90,  -6.74,   0.75,
02/07 01Z,  -0.30,  -5.37,  99.90,  -4.93,   0.74,
02/07 02Z,  -0.20,  -4.89,  99.90,  -4.36,   0.73,  (max)
02/07 03Z,  -0.20,  -5.63,  99.90,  -5.11,   0.72,
02/07 04Z,  -0.10,  -7.29,  99.90,  -6.69,   0.71,
02/07 05Z,  -0.10,  -9.46,  99.90,  -8.86,   0.70,
02/07 06Z,   0.00, -11.59,  99.90, -10.91,   0.68,
02/07 07Z,   0.00, -13.14,  99.90, -12.47,   0.67,
02/07 08Z,   0.00, -13.68,  99.90, -13.02,   0.66,  (min)
02/07 09Z,   0.00, -13.04,  99.90, -12.39,   0.65,
02/07 10Z,   0.00, -11.39,  99.90, -10.75,   0.64,
02/07 11Z,   0.00,  -9.04,  99.90,  -8.40,   0.64,
02/07 12Z,   0.00,  -6.44,  99.90,  -5.81,   0.64,
02/07 13Z,   0.00,  -4.35,  99.90,  -3.71,   0.64,
02/07 14Z,   0.00,  -3.41,  99.90,  -2.78,   0.64,  (max)
02/07 15Z,   0.10,  -3.78,  99.90,  -3.04,   0.64,
02/07 16Z,   0.10,  -5.18,  99.90,  -4.45,   0.64,
02/07 17Z,   0.00,  -7.29,  99.90,  -6.66,   0.64,
02/07 18Z,   0.00,  -9.65,  99.90,  -9.01,   0.64,
02/07 19Z,   0.10, -11.73,  99.90, -10.99,   0.64,
02/07 20Z,   0.10, -13.06,  99.90, -12.32,   0.64,
02/07 21Z,   0.20, -13.36,  99.90, -12.52,   0.64,  (min)
02/07 22Z,   0.20, -12.66,  99.90, -11.82,   0.64,
02/07 23Z,   0.20, -11.20,  99.90, -10.36,   0.64,
02/08 00Z,   0.10,  -9.27,  99.90,  -8.54,   0.64,
02/08 01Z,   0.10,  -7.41,  99.90,  -6.67,   0.64,
02/08 02Z,   0.00,  -6.28,  99.90,  -5.65,   0.64,
02/08 03Z,   0.00,  -6.19,  99.90,  -5.56,   0.64,  (max)
02/08 04Z,   0.00,  -6.99,  99.90,  -6.35,   0.64,
02/08 05Z,   0.10,  -8.38,  99.90,  -7.64,   0.64,
02/08 06Z,   0.10, -10.01,  99.90,  -9.27,   0.64,
02/08 07Z,   0.20, -11.43,  99.90, -10.59,   0.64,
02/08 08Z,   0.20, -12.21,  99.90, -11.38,   0.64,  (min)
02/08 09Z,   0.20, -12.10,  99.90, -11.26,   0.64,
02/08 10Z,   0.20, -11.09,  99.90, -10.25,   0.64,
02/08 11Z,   0.20,  -9.46,  99.90,  -8.62,   0.64,
02/08 12Z,   0.10,  -7.48,  99.90,  -6.75,   0.64,
02/08 13Z,   0.10,  -5.56,  99.90,  -4.82,   0.64,
02/08 14Z,   0.10,  -4.26,  99.90,  -3.52,   0.64,
02/08 15Z,   0.00,  -4.00,  99.90,  -3.36,   0.64,  (max)
02/08 16Z,   0.00,  -4.73,  99.90,  -4.09,   0.64,
02/08 17Z,   0.00,  -6.20,  99.90,  -5.56,   0.64,
02/08 18Z,   0.00,  -8.12,  99.90,  -7.48,   0.64,
02/08 19Z,   0.00, -10.10,  99.90,  -9.46,   0.64,
02/08 20Z,   0.00, -11.73,  99.90, -11.10,   0.64,
02/08 21Z,   0.00, -12.67,  99.90, -12.03,   0.64,
02/08 22Z,   0.00, -12.75,  99.90, -12.11,   0.64,  (min)
02/08 23Z,   0.00, -12.09,  99.90, -11.45,   0.64,
02/09 00Z,   0.00, -10.90,  99.90, -10.27,   0.64,
02/09 01Z,  -0.10,  -9.42,  99.90,  -8.88,   0.64,
02/09 02Z,  -0.10,  -8.06,  99.90,  -7.52,   0.64,
02/09 03Z,  -0.10,  -7.32,  99.90,  -6.79,   0.64,  (max)
02/09 04Z,  -0.20,  -7.35,  99.90,  -6.92,   0.64,
02/09 05Z,  -0.20,  -7.97,  99.90,  -7.53,   0.64,
02/09 06Z,  -0.20,  -8.94,  99.90,  -8.50,   0.64,
02/09 07Z,  -0.20,  -9.99,  99.90,  -9.55,   0.64,
02/09 08Z,  -0.20, -10.77,  99.90, -10.33,   0.64,
02/09 09Z,  -0.20, -10.99,  99.90, -10.55,   0.64,  (min)
02/09 10Z,  -0.20, -10.51,  99.90, -10.08,   0.64,
02/09 11Z,  -0.20,  -9.46,  99.90,  -9.02,   0.64,
02/09 12Z,  -0.20,  -8.10,  99.90,  -7.66,   0.64,
02/09 13Z,  -0.20,  -6.64,  99.90,  -6.21,   0.64,
02/09 14Z,  -0.20,  -5.35,  99.90,  -4.92,   0.64,
02/09 15Z,  -0.30,  -4.65,  99.90,  -4.31,   0.64,  (max)
02/09 16Z,  -0.30,  -4.76,  99.90,  -4.42,   0.64,
02/09 17Z,  -0.40,  -5.58,  99.90,  -5.35,   0.64,
02/09 18Z,  -0.40,  -6.91,  99.90,  -6.67,   0.64,
02/09 19Z,  -0.40,  -8.52,  99.90,  -8.28,   0.64,
02/09 20Z,  -0.30, -10.15,  99.90,  -9.81,   0.64,
02/09 21Z,  -0.30, -11.46,  99.90, -11.13,   0.64,
02/09 22Z,  -0.20, -12.22,  99.90, -11.78,   0.64,
02/09 23Z,  -0.20, -12.31,  99.90, -11.87,   0.64,  (min)
02/10 00Z,  -0.20, -11.87,  99.90, -11.43,   0.64,
02/10 01Z,  -0.20, -11.02,  99.90, -10.59,   0.64,
02/10 02Z,  -0.20,  -9.91,  99.90,  -9.47,   0.64,
02/10 03Z,  -0.30,  -8.85,  99.90,  -8.52,   0.64,
02/10 04Z,  -0.40,  -8.24,  99.90,  -8.01,   0.64,
02/10 05Z,  -0.40,  -8.15,  99.90,  -7.91,   0.64,  (max)
02/10 06Z,  -0.40,  -8.43,  99.90,  -8.19,   0.64,
02/10 07Z,  -0.40,  -8.94,  99.90,  -8.71,   0.64,
02/10 08Z,  -0.40,  -9.50,  99.90,  -9.26,   0.64,
02/10 09Z,  -0.30,  -9.84,  99.90,  -9.51,   0.64,  (min)
02/10 10Z,  -0.20,  -9.80,  99.90,  -9.36,   0.64,
02/10 11Z,  -0.20,  -9.27,  99.90,  -8.84,   0.64,
02/10 12Z,  -0.10,  -8.42,  99.90,  -7.89,   0.64,
02/10 13Z,  99.90,  -7.46,  99.90,  99.90,   0.64,
02/10 14Z,  99.90,  -6.47,  99.90,  99.90,   0.64,
02/10 15Z,  99.90,  -5.62,  99.90,  99.90,   0.64,
02/10 16Z,  99.90,  -5.21,  99.90,  99.90,   0.64,
02/10 17Z,  99.90,  -5.40,  99.90,  99.90,   0.64,
02/10 18Z,  99.90,  -6.10,  99.90,  99.90,   0.64,