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 : 10/07/2026 13:22:52 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/05 18Z,   0.20,  -6.78,  -6.08,  99.90,   0.50,
10/05 19Z,   0.10,  -6.20,  -5.51,  99.90,   0.59,  (max)
10/05 20Z,   0.10,  -6.33,  -5.79,  99.90,   0.44,
10/05 21Z,   0.10,  -7.08,  -6.63,  99.90,   0.35,
10/05 22Z,   0.10,  -8.19,  -7.69,  99.90,   0.40,
10/05 23Z,   0.10,  -9.33,  -8.81,  99.90,   0.42,
10/06 00Z,   0.10, -10.15,  -9.87,  99.90,   0.18,
10/06 01Z,   0.10, -10.48, -10.29,  99.90,   0.09,  (min)
10/06 02Z,   0.10, -10.22,  -9.77,  99.90,   0.35,
10/06 03Z,   0.00,  -9.28,  -8.72,  99.90,   0.56,
10/06 04Z,   0.00,  -7.81,  -7.33,  99.90,   0.48,
10/06 05Z,   0.00,  -6.35,  -5.87,  99.90,   0.48,
10/06 06Z,   0.10,  -5.40,  -4.84,  99.90,   0.46,
10/06 07Z,   0.10,  -5.16,  -4.67,  99.90,   0.39,  (max)
10/06 08Z,   0.10,  -5.72,  -5.29,  99.90,   0.33,
10/06 09Z,   0.10,  -7.10,  -6.76,  99.90,   0.24,
10/06 10Z,   0.10,  -9.08,  -8.78,  99.90,   0.20,
10/06 11Z,   0.00, -11.29, -10.87,  99.90,   0.42,
10/06 12Z,   0.00, -13.22, -12.90,  99.90,   0.32,
10/06 13Z,   0.00, -14.46, -14.17,  99.90,   0.29,
10/06 14Z,   0.00, -14.76, -14.36,  99.90,   0.40,  (min)
10/06 15Z,   0.00, -13.95, -13.55,  99.90,   0.40,
10/06 16Z,  -0.10, -12.05, -11.94,  99.90,   0.21,
10/06 17Z,  -0.10,  -9.62,  -9.52,  99.90,   0.20,
10/06 18Z,  -0.10,  -7.40,  -7.14,  99.90,   0.36,
10/06 19Z,  -0.10,  -5.85,  -5.48,  99.90,   0.47,
10/06 20Z,  -0.10,  -5.18,  -4.92,  99.90,   0.36,  (max)
10/06 21Z,  -0.10,  -5.51,  -5.45,  99.90,   0.16,
10/06 22Z,  -0.10,  -6.69,  -6.60,  99.90,   0.19,
10/06 23Z,  -0.10,  -8.36,  -8.32,  99.90,   0.14,
10/07 00Z,  -0.20, -10.05, -10.05,  99.90,   0.20,
10/07 01Z,  -0.20, -11.35, -11.53,  99.90,   0.02,
10/07 02Z,  -0.20, -11.97, -12.11,  99.90,   0.06,  (min)
10/07 03Z,  -0.20, -11.72, -11.66,  99.90,   0.26,
10/07 04Z,  -0.20, -10.49, -10.33,  99.90,   0.36,
10/07 05Z,  -0.30,  -8.53,  -8.53,  99.90,   0.30,
10/07 06Z,  -0.30,  -6.54,  -6.37,  99.90,   0.47,
10/07 07Z,  -0.30,  -5.11,  -4.77,  99.90,   0.64,
10/07 08Z,  -0.30,  -4.55,  -4.39,  99.90,   0.46,  (max)
10/07 09Z,  -0.30,  -5.06,  -5.01,  99.90,   0.35,
10/07 10Z,  -0.30,  -6.61,  -6.60,  99.90,   0.31,
10/07 11Z,  -0.40,  -8.90,  -8.94,  99.90,   0.36,
10/07 12Z,  -0.40, -11.41, -11.39,  99.90,   0.42,
10/07 13Z,  -0.40, -13.55, -13.66,  99.90,   0.29,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 14Z,  -0.50, -14.85,  99.90, -15.03,   0.32,
10/07 15Z,  -0.50, -15.01,  99.90, -15.15,   0.35,  (min)
10/07 16Z,  -0.50, -13.85,  99.90, -13.96,   0.39,
10/07 17Z,  -0.50, -11.51,  99.90, -11.59,   0.42,
10/07 18Z,  -0.50,  -8.67,  99.90,  -8.72,   0.45,
10/07 19Z,  -0.50,  -6.18,  99.90,  -6.20,   0.48,
10/07 20Z,  -0.50,  -4.57,  99.90,  -4.56,   0.52,
10/07 21Z,  -0.50,  -4.14,  99.90,  -4.09,   0.55,  (max)
10/07 22Z,  -0.50,  -4.96,  99.90,  -4.88,   0.58,
10/07 23Z,  -0.50,  -6.77,  99.90,  -6.66,   0.62,
10/08 00Z,  -0.50,  -9.07,  99.90,  -8.92,   0.65,
10/08 01Z,  -0.60, -11.28,  99.90, -11.19,   0.68,
10/08 02Z,  -0.60, -12.87,  99.90, -12.78,   0.68,
10/08 03Z,  -0.60, -13.51,  99.90, -13.43,   0.68,  (min)
10/08 04Z,  -0.70, -13.00,  99.90, -13.02,   0.68,
10/08 05Z,  -0.70, -11.27,  99.90, -11.29,   0.68,
10/08 06Z,  -0.70,  -8.76,  99.90,  -8.78,   0.68,
10/08 07Z,  -0.70,  -6.29,  99.90,  -6.31,   0.68,
10/08 08Z,  -0.60,  -4.55,  99.90,  -4.47,   0.68,
10/08 09Z,  -0.60,  -3.94,  99.90,  -3.85,   0.68,  (max)
10/08 10Z,  -0.50,  -4.65,  99.90,  -4.46,   0.68,
10/08 11Z,  -0.50,  -6.54,  99.90,  -6.36,   0.68,
10/08 12Z,  -0.50,  -9.16,  99.90,  -8.97,   0.68,
10/08 13Z,  -0.60, -11.85,  99.90, -11.77,   0.68,
10/08 14Z,  -0.60, -13.98,  99.90, -13.90,   0.68,
10/08 15Z,  -0.70, -15.06,  99.90, -15.08,   0.68,  (min)
10/08 16Z,  -0.70, -14.83,  99.90, -14.85,   0.68,
10/08 17Z,  -0.70, -13.16,  99.90, -13.18,   0.68,
10/08 18Z,  -0.70, -10.34,  99.90, -10.35,   0.68,
10/08 19Z,  -0.70,  -7.20,  99.90,  -7.21,   0.68,
10/08 20Z,  -0.70,  -4.66,  99.90,  -4.68,   0.68,
10/08 21Z,  -0.60,  -3.30,  99.90,  -3.22,   0.68,  (max)
10/08 22Z,  -0.60,  -3.41,  99.90,  -3.33,   0.68,
10/08 23Z,  -0.60,  -4.93,  99.90,  -4.85,   0.68,
10/09 00Z,  -0.60,  -7.44,  99.90,  -7.35,   0.68,
10/09 01Z,  -0.70, -10.28,  99.90, -10.30,   0.68,
10/09 02Z,  -0.70, -12.78,  99.90, -12.80,   0.68,
10/09 03Z,  -0.70, -14.40,  99.90, -14.41,   0.68,
10/09 04Z,  -0.70, -14.80,  99.90, -14.81,   0.68,  (min)
10/09 05Z,  -0.70, -13.81,  99.90, -13.83,   0.68,
10/09 06Z,  -0.60, -11.50,  99.90, -11.41,   0.68,
10/09 07Z,  -0.60,  -8.47,  99.90,  -8.39,   0.68,
10/09 08Z,  -0.60,  -5.69,  99.90,  -5.61,   0.68,
10/09 09Z,  -0.60,  -3.92,  99.90,  -3.84,   0.68,
10/09 10Z,  -0.60,  -3.54,  99.90,  -3.45,   0.68,  (max)
10/09 11Z,  -0.60,  -4.63,  99.90,  -4.55,   0.68,
10/09 12Z,  -0.60,  -6.91,  99.90,  -6.82,   0.68,
10/09 13Z,  -0.70,  -9.74,  99.90,  -9.75,   0.68,
10/09 14Z,  -0.70, -12.41,  99.90, -12.42,   0.68,
10/09 15Z,  -0.70, -14.27,  99.90, -14.28,   0.68,
10/09 16Z,  -0.70, -14.90,  99.90, -14.92,   0.68,  (min)
10/09 17Z,  -0.70, -14.11,  99.90, -14.13,   0.68,
10/09 18Z,  -0.70, -11.89,  99.90, -11.91,   0.68,
10/09 19Z,  -0.60,  -8.68,  99.90,  -8.59,   0.68,
10/09 20Z,  -0.60,  -5.46,  99.90,  -5.37,   0.68,
10/09 21Z,  -0.60,  -3.18,  99.90,  -3.10,   0.68,
10/09 22Z,  -0.50,  -2.40,  99.90,  -2.22,   0.68,  (max)
10/09 23Z,  -0.60,  -3.25,  99.90,  -3.17,   0.68,
10/10 00Z,  -0.60,  -5.53,  99.90,  -5.44,   0.68,
10/10 01Z,  -0.60,  -8.62,  99.90,  -8.53,   0.68,
10/10 02Z,  -0.70, -11.78,  99.90, -11.80,   0.68,
10/10 03Z,  -0.70, -14.29,  99.90, -14.31,   0.68,
10/10 04Z,  -0.70, -15.64,  99.90, -15.66,   0.68,
10/10 05Z,  -0.80, -15.58,  99.90, -15.70,   0.68,  (min)
10/10 06Z,  -0.80, -14.01,  99.90, -14.12,   0.68,
10/10 07Z,  -0.70, -11.13,  99.90, -11.14,   0.68,
10/10 08Z,  -0.70,  -7.75,  99.90,  -7.77,   0.68,
10/10 09Z,  -0.70,  -4.95,  99.90,  -4.97,   0.68,
10/10 10Z,  -0.70,  -3.44,  99.90,  -3.46,   0.68,  (max)
10/10 11Z,  -0.70,  -3.50,  99.90,  -3.52,   0.68,
10/10 12Z,  -0.70,  -5.05,  99.90,  -5.07,   0.68,
10/10 13Z,  -0.70,  -7.61,  99.90,  -7.63,   0.68,
10/10 14Z,  -0.80, -10.45,  99.90, -10.57,   0.68,
10/10 15Z,  -0.80, -12.85,  99.90, -12.97,   0.68,
10/10 16Z,  -0.90, -14.21,  99.90, -14.43,   0.68,
10/10 17Z,  -0.90, -14.25,  99.90, -14.47,   0.68,  (min)
10/10 18Z,  -0.90, -12.87,  99.90, -13.09,   0.68,
10/10 19Z,  -0.90, -10.17,  99.90, -10.39,   0.68,
10/10 20Z,  -0.80,  -6.79,  99.90,  -6.91,   0.68,
10/10 21Z,  -0.80,  -3.81,  99.90,  -3.92,   0.68,
10/10 22Z,  -0.70,  -2.12,  99.90,  -2.14,   0.68,  (max)
10/10 23Z,  -0.70,  -2.12,  99.90,  -2.14,   0.68,
10/11 00Z,  -0.70,  -3.78,  99.90,  -3.80,   0.68,
10/11 01Z,  -0.80,  -6.69,  99.90,  -6.81,   0.68,
10/11 02Z,  -0.80, -10.12,  99.90, -10.24,   0.68,
10/11 03Z,  -0.80, -13.29,  99.90, -13.41,   0.68,
10/11 04Z,  -0.80, -15.52,  99.90, -15.64,   0.68,
10/11 05Z,  -0.80, -16.39,  99.90, -16.50,   0.68,  (min)
10/11 06Z,  -0.80, -15.73,  99.90, -15.85,   0.68,