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
#Seward, AK : 02/10/2026 03:21:56 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/08 12Z,   1.70,  -5.33,  -5.47,  99.90,  -1.84,
02/08 13Z,   1.50,  -4.07,  -4.31,  99.90,  -1.74,
02/08 14Z,   1.40,  -3.61,  -3.79,  99.90,  -1.58,  (max)
02/08 15Z,   1.40,  -4.02,  -4.24,  99.90,  -1.62,
02/08 16Z,   1.30,  -5.18,  -5.38,  99.90,  -1.50,
02/08 17Z,   1.30,  -6.84,  -7.05,  99.90,  -1.51,
02/08 18Z,   1.30,  -8.69,  -8.81,  99.90,  -1.42,
02/08 19Z,   1.20, -10.31, -10.37,  99.90,  -1.26,
02/08 20Z,   1.20, -11.33, -11.51,  99.90,  -1.38,
02/08 21Z,   1.10, -11.53, -11.74,  99.90,  -1.31,  (min)
02/08 22Z,   1.20, -11.00, -11.13,  99.90,  -1.33,
02/08 23Z,   1.20,  -9.97, -10.16,  99.90,  -1.39,
02/09 00Z,   1.20,  -8.74,  -8.85,  99.90,  -1.31,
02/09 01Z,   1.10,  -7.60,  -7.83,  99.90,  -1.33,
02/09 02Z,   1.00,  -6.89,  -7.10,  99.90,  -1.21,
02/09 03Z,   1.10,  -6.75,  -6.98,  99.90,  -1.33,  (max)
02/09 04Z,   0.90,  -7.16,  -7.40,  99.90,  -1.14,
02/09 05Z,   1.20,  -7.95,  -8.17,  99.90,  -1.42,
02/09 06Z,   1.10,  -8.90,  -9.09,  99.90,  -1.29,
02/09 07Z,   1.10,  -9.73, -10.11,  99.90,  -1.48,
02/09 08Z,   1.10, -10.12, -10.37,  99.90,  -1.35,  (min)
02/09 09Z,   1.10,  -9.85, -10.16,  99.90,  -1.41,
02/09 10Z,   1.10,  -8.96,  -9.27,  99.90,  -1.41,
02/09 11Z,   1.20,  -7.67,  -8.01,  99.90,  -1.54,
02/09 12Z,   1.10,  -6.27,  -6.64,  99.90,  -1.47,
02/09 13Z,   1.10,  -5.03,  -5.33,  99.90,  -1.40,
02/09 14Z,   1.10,  -4.24,  -4.58,  99.90,  -1.44,
02/09 15Z,   1.10,  -4.11,  -4.46,  99.90,  -1.45,  (max)
02/09 16Z,   1.20,  -4.67,  -5.08,  99.90,  -1.61,
02/09 17Z,   1.20,  -5.78,  -6.12,  99.90,  -1.54,
02/09 18Z,   1.10,  -7.23,  -7.49,  99.90,  -1.36,
02/09 19Z,   1.20,  -8.79,  -9.08,  99.90,  -1.49,
02/09 20Z,   1.20, -10.12, -10.44,  99.90,  -1.52,
02/09 21Z,   1.00, -10.96, -11.07,  99.90,  -1.11,
02/09 22Z,   1.30, -11.16, -11.61,  99.90,  -1.75,  (min)
02/09 23Z,   1.60, -10.82, -11.22,  99.90,  -2.00,
02/10 00Z,   1.10, -10.11, -10.35,  99.90,  -1.34,
02/10 01Z,   1.40,  -9.21,  -9.50,  99.90,  -1.69,
02/10 02Z,   1.40,  -8.34,  -8.76,  99.90,  -1.82,
02/10 03Z,   1.20,  -7.73,  -8.03,  99.90,  -1.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/10 04Z,   1.50,  -7.52,  99.90,  -7.50,  -1.48,  (max)
02/10 05Z,   1.10,  -7.66,  99.90,  -8.03,  -1.46,
02/10 06Z,   1.20,  -8.05,  99.90,  -8.30,  -1.45,
02/10 07Z,   1.20,  -8.56,  99.90,  -8.79,  -1.43,
02/10 08Z,   1.30,  -8.98,  99.90,  -9.09,  -1.42,
02/10 09Z,   1.30,  -9.08,  99.90,  -9.19,  -1.40,  (min)
02/10 10Z,   1.20,  -8.74,  99.90,  -8.93,  -1.39,
02/10 11Z,   1.30,  -8.00,  99.90,  -8.07,  -1.37,
02/10 12Z,   1.30,  -7.04,  99.90,  -7.09,  -1.35,
02/10 13Z,   1.30,  -6.02,  99.90,  -6.06,  -1.34,
02/10 14Z,   1.20,  -5.13,  99.90,  -5.26,  -1.32,
02/10 15Z,   1.20,  -4.60,  99.90,  -4.71,  -1.31,
02/10 16Z,   1.20,  -4.58,  99.90,  -4.69,  -1.31,  (max)
02/10 17Z,   1.10,  -5.09,  99.90,  -5.30,  -1.31,
02/10 18Z,   1.20,  -6.03,  99.90,  -6.14,  -1.31,
02/10 19Z,   1.30,  -7.27,  99.90,  -7.27,  -1.31,
02/10 20Z,   1.40,  -8.63,  99.90,  -8.53,  -1.31,
02/10 21Z,   1.40,  -9.85,  99.90,  -9.76,  -1.31,
02/10 22Z,   1.50, -10.70,  99.90, -10.51,  -1.31,
02/10 23Z,   1.50, -11.07,  99.90, -10.88,  -1.31,
02/11 00Z,   1.40, -11.00,  99.90, -10.90,  -1.31,  (min)
02/11 01Z,   1.40, -10.55,  99.90, -10.46,  -1.31,
02/11 02Z,   1.50,  -9.84,  99.90,  -9.64,  -1.31,
02/11 03Z,   1.40,  -9.02,  99.90,  -8.93,  -1.31,
02/11 04Z,   1.40,  -8.33,  99.90,  -8.23,  -1.31,
02/11 05Z,   1.70,  -7.88,  99.90,  -7.48,  -1.31,
02/11 06Z,   1.60,  -7.69,  99.90,  -7.40,  -1.31,  (max)
02/11 07Z,   1.60,  -7.74,  99.90,  -7.45,  -1.31,
02/11 08Z,   1.70,  -7.96,  99.90,  -7.56,  -1.31,
02/11 09Z,   1.90,  -8.21,  99.90,  -7.61,  -1.31,
02/11 10Z,   1.90,  -8.29,  99.90,  -7.70,  -1.31,  (min)
02/11 11Z,   1.90,  -8.09,  99.90,  -7.50,  -1.31,
02/11 12Z,   1.90,  -7.62,  99.90,  -7.02,  -1.31,
02/11 13Z,   1.90,  -6.95,  99.90,  -6.35,  -1.31,
02/11 14Z,   1.80,  -6.17,  99.90,  -5.68,  -1.31,
02/11 15Z,   1.70,  -5.42,  99.90,  -5.03,  -1.31,
02/11 16Z,   1.70,  -4.91,  99.90,  -4.52,  -1.31,  (max)
02/11 17Z,   1.40,  -4.80,  99.90,  -4.71,  -1.31,
02/11 18Z,   1.50,  -5.16,  99.90,  -4.96,  -1.31,
02/11 19Z,   1.50,  -5.93,  99.90,  -5.74,  -1.31,
02/11 20Z,   1.30,  -7.06,  99.90,  -7.07,  -1.31,
02/11 21Z,   1.20,  -8.40,  99.90,  -8.51,  -1.31,
02/11 22Z,   1.10,  -9.72,  99.90,  -9.93,  -1.31,
02/11 23Z,   1.10, -10.76,  99.90, -10.97,  -1.31,
02/12 00Z,   1.00, -11.37,  99.90, -11.68,  -1.31,
02/12 01Z,   0.90, -11.52,  99.90, -11.93,  -1.31,  (min)
02/12 02Z,   0.90, -11.19,  99.90, -11.59,  -1.31,
02/12 03Z,   0.90, -10.44,  99.90, -10.85,  -1.31,
02/12 04Z,   0.90,  -9.47,  99.90,  -9.87,  -1.31,
02/12 05Z,   1.20,  -8.51,  99.90,  -8.62,  -1.31,
02/12 06Z,   0.80,  -7.77,  99.90,  -8.27,  -1.31,
02/12 07Z,   0.90,  -7.30,  99.90,  -7.71,  -1.31,
02/12 08Z,   1.10,  -7.16,  99.90,  -7.37,  -1.31,  (max)
02/12 09Z,   1.10,  -7.33,  99.90,  -7.53,  -1.31,
02/12 10Z,   1.00,  -7.66,  99.90,  -7.97,  -1.31,
02/12 11Z,   1.00,  -7.93,  99.90,  -8.24,  -1.31,  (min)
02/12 12Z,   1.30,  -7.99,  99.90,  -7.99,  -1.31,
02/12 13Z,   1.20,  -7.75,  99.90,  -7.86,  -1.31,
02/12 14Z,   1.20,  -7.24,  99.90,  -7.35,  -1.31,
02/12 15Z,   1.40,  -6.49,  99.90,  -6.39,  -1.31,
02/12 16Z,   1.50,  -5.64,  99.90,  -5.45,  -1.31,
02/12 17Z,   1.50,  -4.96,  99.90,  -4.77,  -1.31,
02/12 18Z,   1.60,  -4.67,  99.90,  -4.38,  -1.31,  (max)
02/12 19Z,   1.70,  -4.89,  99.90,  -4.49,  -1.31,
02/12 20Z,   1.90,  -5.61,  99.90,  -5.02,  -1.31,
02/12 21Z,   1.80,  -6.82,  99.90,  -6.33,  -1.31,
02/12 22Z,   1.80,  -8.36,  99.90,  -7.87,  -1.31,
02/12 23Z,   1.90,  -9.94,  99.90,  -9.35,  -1.31,
02/13 00Z,   1.90, -11.24,  99.90, -10.65,  -1.31,
02/13 01Z,   1.90, -12.05,  99.90, -11.46,  -1.31,
02/13 02Z,   1.90, -12.26,  99.90, -11.66,  -1.31,  (min)
02/13 03Z,   2.00, -11.81,  99.90, -11.12,  -1.31,
02/13 04Z,   1.90, -10.81,  99.90, -10.21,  -1.31,
02/13 05Z,   1.80,  -9.50,  99.90,  -9.00,  -1.31,
02/13 06Z,   1.80,  -8.22,  99.90,  -7.72,  -1.31,
02/13 07Z,   1.90,  -7.22,  99.90,  -6.63,  -1.31,
02/13 08Z,   1.80,  -6.64,  99.90,  -6.14,  -1.31,  (max)
02/13 09Z,   1.60,  -6.54,  99.90,  -6.25,  -1.31,
02/13 10Z,   1.50,  -6.90,  99.90,  -6.71,  -1.31,
02/13 11Z,   1.50,  -7.52,  99.90,  -7.32,  -1.31,
02/13 12Z,   1.40,  -8.09,  99.90,  -7.99,  -1.31,
02/13 13Z,   1.30,  -8.37,  99.90,  -8.38,  -1.31,  (min)
02/13 14Z,   1.20,  -8.25,  99.90,  -8.35,  -1.31,
02/13 15Z,   1.20,  -7.67,  99.90,  -7.78,  -1.31,
02/13 16Z,   1.10,  -6.71,  99.90,  -6.92,  -1.31,
02/13 17Z,   1.10,  -5.60,  99.90,  -5.80,  -1.31,
02/13 18Z,   1.00,  -4.67,  99.90,  -4.98,  -1.31,
02/13 19Z,  99.90,  -4.23,  99.90,  99.90,  -1.31,
02/13 20Z,  99.90,  -4.42,  99.90,  99.90,  -1.31,
02/13 21Z,  99.90,  -5.30,  99.90,  99.90,  -1.31,
02/13 22Z,  99.90,  -6.80,  99.90,  99.90,  -1.31,
02/13 23Z,  99.90,  -8.69,  99.90,  99.90,  -1.31,
02/14 00Z,  99.90, -10.60,  99.90,  99.90,  -1.31,