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 : 02/13/2026 22:22:32 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/12 06Z,   1.20,  -7.77,  -7.89,  99.90,  -1.32,
02/12 07Z,   1.10,  -7.30,  -7.34,  99.90,  -1.14,
02/12 08Z,   1.00,  -7.16,  -7.27,  99.90,  -1.11,  (max)
02/12 09Z,   1.00,  -7.33,  -7.33,  99.90,  -1.00,
02/12 10Z,   1.10,  -7.66,  -7.87,  99.90,  -1.31,
02/12 11Z,   1.20,  -7.93,  -8.04,  99.90,  -1.31,  (min)
02/12 12Z,   1.30,  -7.99,  -8.02,  99.90,  -1.33,
02/12 13Z,   1.30,  -7.75,  -7.95,  99.90,  -1.50,
02/12 14Z,   1.50,  -7.24,  -7.36,  99.90,  -1.62,
02/12 15Z,   1.50,  -6.49,  -6.54,  99.90,  -1.55,
02/12 16Z,   1.40,  -5.64,  -5.79,  99.90,  -1.55,
02/12 17Z,   1.40,  -4.96,  -5.11,  99.90,  -1.55,
02/12 18Z,   1.60,  -4.67,  -4.71,  99.90,  -1.64,  (max)
02/12 19Z,   1.70,  -4.89,  -4.89,  99.90,  -1.70,
02/12 20Z,   1.70,  -5.61,  -5.68,  99.90,  -1.77,
02/12 21Z,   1.70,  -6.82,  -6.88,  99.90,  -1.76,
02/12 22Z,   1.60,  -8.36,  -8.43,  99.90,  -1.67,
02/12 23Z,   1.60,  -9.94, -10.07,  99.90,  -1.73,
02/13 00Z,   1.90, -11.24, -11.44,  99.90,  -2.10,
02/13 01Z,   1.90, -12.05, -12.27,  99.90,  -2.12,
02/13 02Z,   1.80, -12.26, -12.60,  99.90,  -2.14,  (min)
02/13 03Z,   1.70, -11.81, -12.11,  99.90,  -2.00,
02/13 04Z,   1.60, -10.81, -11.15,  99.90,  -1.94,
02/13 05Z,   1.50,  -9.50,  -9.90,  99.90,  -1.90,
02/13 06Z,   1.60,  -8.22,  -8.59,  99.90,  -1.97,
02/13 07Z,   1.50,  -7.22,  -7.56,  99.90,  -1.84,
02/13 08Z,   1.40,  -6.64,  -7.02,  99.90,  -1.78,
02/13 09Z,   1.40,  -6.54,  -7.01,  99.90,  -1.87,  (max)
02/13 10Z,   1.30,  -6.90,  -7.40,  99.90,  -1.80,
02/13 11Z,   1.10,  -7.52,  -7.93,  99.90,  -1.51,
02/13 12Z,   1.20,  -8.09,  -8.60,  99.90,  -1.71,
02/13 13Z,   1.10,  -8.37,  -9.06,  99.90,  -1.79,  (min)
02/13 14Z,   1.00,  -8.25,  -8.84,  99.90,  -1.59,
02/13 15Z,   0.90,  -7.67,  -8.32,  99.90,  -1.55,
02/13 16Z,   0.90,  -6.71,  -7.46,  99.90,  -1.65,
02/13 17Z,   0.80,  -5.60,  -6.15,  99.90,  -1.35,
02/13 18Z,   0.80,  -4.67,  -5.33,  99.90,  -1.46,
02/13 19Z,   0.80,  -4.23,  -4.91,  99.90,  -1.48,  (max)
02/13 20Z,   0.90,  -4.42,  -5.07,  99.90,  -1.55,
02/13 21Z,   1.00,  -5.30,  -6.20,  99.90,  -1.90,
02/13 22Z,   1.10,  -6.80,  -7.59,  99.90,  -1.89,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/13 23Z,   1.10,  -8.69,  99.90,  -9.46,  -1.86,
02/14 00Z,   1.10, -10.60,  99.90, -11.33,  -1.83,
02/14 01Z,   0.90, -12.11,  99.90, -13.01,  -1.80,
02/14 02Z,   0.80, -12.96,  99.90, -13.92,  -1.77,
02/14 03Z,   0.70, -12.98,  99.90, -14.02,  -1.74,  (min)
02/14 04Z,   0.60, -12.18,  99.90, -13.29,  -1.70,
02/14 05Z,   0.50, -10.74,  99.90, -11.91,  -1.67,
02/14 06Z,   0.50,  -9.03,  99.90, -10.17,  -1.64,
02/14 07Z,   0.40,  -7.47,  99.90,  -8.68,  -1.61,
02/14 08Z,   0.50,  -6.38,  99.90,  -7.45,  -1.58,
02/14 09Z,   0.60,  -5.90,  99.90,  -6.84,  -1.54,  (max)
02/14 10Z,   0.70,  -6.09,  99.90,  -6.91,  -1.51,
02/14 11Z,   0.80,  -6.85,  99.90,  -7.56,  -1.51,
02/14 12Z,   0.90,  -7.85,  99.90,  -8.47,  -1.51,
02/14 13Z,   0.90,  -8.71,  99.90,  -9.32,  -1.51,
02/14 14Z,   0.90,  -9.10,  99.90,  -9.71,  -1.51,  (min)
02/14 15Z,   0.90,  -8.86,  99.90,  -9.48,  -1.51,
02/14 16Z,   0.80,  -8.00,  99.90,  -8.72,  -1.51,
02/14 17Z,   0.70,  -6.67,  99.90,  -7.48,  -1.51,
02/14 18Z,   0.60,  -5.21,  99.90,  -6.12,  -1.51,
02/14 19Z,   0.50,  -4.08,  99.90,  -5.09,  -1.51,
02/14 20Z,   0.50,  -3.62,  99.90,  -4.63,  -1.51,  (max)
02/14 21Z,   0.60,  -4.00,  99.90,  -4.91,  -1.51,
02/14 22Z,   0.60,  -5.23,  99.90,  -6.14,  -1.51,
02/14 23Z,   0.60,  -7.17,  99.90,  -8.08,  -1.51,
02/15 00Z,   0.70,  -9.49,  99.90, -10.30,  -1.51,
02/15 01Z,   0.70, -11.66,  99.90, -12.47,  -1.51,
02/15 02Z,   0.80, -13.21,  99.90, -13.92,  -1.51,
02/15 03Z,   0.70, -13.83,  99.90, -14.64,  -1.51,  (min)
02/15 04Z,   0.80, -13.42,  99.90, -14.14,  -1.51,
02/15 05Z,   0.80, -12.08,  99.90, -12.79,  -1.51,
02/15 06Z,   0.70, -10.12,  99.90, -10.94,  -1.51,
02/15 07Z,   0.60,  -8.06,  99.90,  -8.98,  -1.51,
02/15 08Z,   0.60,  -6.40,  99.90,  -7.31,  -1.51,
02/15 09Z,   0.60,  -5.44,  99.90,  -6.35,  -1.51,  (max)
02/15 10Z,   0.20,  -5.31,  99.90,  -6.62,  -1.51,
02/15 11Z,   0.30,  -6.00,  99.90,  -7.21,  -1.51,
02/15 12Z,   0.40,  -7.25,  99.90,  -8.37,  -1.51,
02/15 13Z,   0.30,  -8.64,  99.90,  -9.85,  -1.51,
02/15 14Z,   0.10,  -9.64,  99.90, -11.06,  -1.51,
02/15 15Z,   0.00,  -9.93,  99.90, -11.44,  -1.51,  (min)
02/15 16Z,   0.20,  -9.37,  99.90, -10.68,  -1.51,
02/15 17Z,   0.10,  -8.06,  99.90,  -9.47,  -1.51,
02/15 18Z,   0.20,  -6.28,  99.90,  -7.60,  -1.51,
02/15 19Z,   0.20,  -4.54,  99.90,  -5.85,  -1.51,
02/15 20Z,   0.20,  -3.35,  99.90,  -4.67,  -1.51,
02/15 21Z,   0.10,  -3.08,  99.90,  -4.49,  -1.51,  (max)
02/15 22Z,   0.10,  -3.84,  99.90,  -5.26,  -1.51,
02/15 23Z,   0.10,  -5.57,  99.90,  -6.99,  -1.51,
02/16 00Z,   0.00,  -8.01,  99.90,  -9.53,  -1.51,
02/16 01Z,   0.00, -10.67,  99.90, -12.18,  -1.51,
02/16 02Z,  -0.10, -12.91,  99.90, -14.53,  -1.51,
02/16 03Z,  -0.20, -14.24,  99.90, -15.95,  -1.51,
02/16 04Z,  -0.20, -14.38,  99.90, -16.09,  -1.51,  (min)
02/16 05Z,  -0.30, -13.35,  99.90, -15.16,  -1.51,
02/16 06Z,  -0.30, -11.38,  99.90, -13.19,  -1.51,
02/16 07Z,  -0.30,  -8.97,  99.90, -10.79,  -1.51,
02/16 08Z,  -0.30,  -6.74,  99.90,  -8.55,  -1.51,
02/16 09Z,  -0.30,  -5.20,  99.90,  -7.01,  -1.51,
02/16 10Z,  -0.30,  -4.63,  99.90,  -6.44,  -1.51,  (max)
02/16 11Z,  -0.20,  -5.06,  99.90,  -6.78,  -1.51,
02/16 12Z,  -0.30,  -6.35,  99.90,  -8.17,  -1.51,
02/16 13Z,  -0.30,  -8.11,  99.90,  -9.92,  -1.51,
02/16 14Z,  -0.40,  -9.74,  99.90, -11.65,  -1.51,
02/16 15Z,  -0.40, -10.69,  99.90, -12.60,  -1.51,  (min)
02/16 16Z,  -0.30, -10.66,  99.90, -12.47,  -1.51,
02/16 17Z,  -0.30,  -9.61,  99.90, -11.42,  -1.51,
02/16 18Z,  -0.30,  -7.78,  99.90,  -9.59,  -1.51,
02/16 19Z,  -0.30,  -5.63,  99.90,  -7.44,  -1.51,
02/16 20Z,  -0.30,  -3.75,  99.90,  -5.57,  -1.51,
02/16 21Z,  -0.20,  -2.72,  99.90,  -4.43,  -1.51,  (max)
02/16 22Z,  -0.20,  -2.83,  99.90,  -4.54,  -1.51,
02/16 23Z,  -0.20,  -4.11,  99.90,  -5.83,  -1.51,
02/17 00Z,  -0.40,  -6.38,  99.90,  -8.30,  -1.51,
02/17 01Z,  -0.40,  -9.23,  99.90, -11.14,  -1.51,
02/17 02Z,  -0.40, -12.02,  99.90, -13.93,  -1.51,
02/17 03Z,  -0.40, -14.07,  99.90, -15.98,  -1.51,
02/17 04Z,  -0.30, -14.89,  99.90, -16.71,  -1.51,  (min)
02/17 05Z,  -0.20, -14.35,  99.90, -16.07,  -1.51,
02/17 06Z,  -0.30, -12.61,  99.90, -14.43,  -1.51,
02/17 07Z,  -0.20, -10.09,  99.90, -11.81,  -1.51,
02/17 08Z,  -0.10,  -7.43,  99.90,  -9.04,  -1.51,
02/17 09Z,   0.00,  -5.28,  99.90,  -6.79,  -1.51,
02/17 10Z,   0.00,  -4.13,  99.90,  -5.65,  -1.51,  (max)
02/17 11Z,  -0.10,  -4.16,  99.90,  -5.77,  -1.51,
02/17 12Z,  -0.10,  -5.27,  99.90,  -6.89,  -1.51,
02/17 13Z,  99.90,  -7.16,  99.90,  99.90,  -1.51,
02/17 14Z,  99.90,  -9.28,  99.90,  99.90,  -1.51,
02/17 15Z,  99.90, -10.96,  99.90,  99.90,  -1.51,
02/17 16Z,  99.90, -11.64,  99.90,  99.90,  -1.51,
02/17 17Z,  99.90, -11.12,  99.90,  99.90,  -1.51,
02/17 18Z,  99.90,  -9.52,  99.90,  99.90,  -1.51,