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 : 11/19/2025 04:21:44 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/17 12Z,   1.30,  -9.21,  -9.02,  99.90,  -1.11,
11/17 13Z,   1.30, -10.40, -10.30,  99.90,  -1.20,
11/17 14Z,   1.20, -10.80, -10.74,  99.90,  -1.14,  (min)
11/17 15Z,   1.20, -10.28, -10.19,  99.90,  -1.11,
11/17 16Z,   1.20,  -8.89,  -8.71,  99.90,  -1.02,
11/17 17Z,   1.30,  -6.93,  -6.97,  99.90,  -1.34,
11/17 18Z,   1.20,  -4.93,  -5.06,  99.90,  -1.33,
11/17 19Z,   1.30,  -3.41,  -3.50,  99.90,  -1.39,
11/17 20Z,   1.40,  -2.78,  -2.90,  99.90,  -1.52,  (max)
11/17 21Z,   1.40,  -3.17,  -3.32,  99.90,  -1.55,
11/17 22Z,   1.40,  -4.59,  -4.66,  99.90,  -1.47,
11/17 23Z,   1.30,  -6.80,  -6.79,  99.90,  -1.29,
11/18 00Z,   1.40,  -9.32,  -9.32,  99.90,  -1.40,
11/18 01Z,   1.40, -11.57, -11.61,  99.90,  -1.44,
11/18 02Z,   1.30, -13.02, -13.07,  99.90,  -1.35,
11/18 03Z,   1.20, -13.40, -13.55,  99.90,  -1.35,  (min)
11/18 04Z,   1.10, -12.66, -12.82,  99.90,  -1.26,
11/18 05Z,   1.10, -10.99, -11.23,  99.90,  -1.34,
11/18 06Z,   1.30,  -8.85,  -9.17,  99.90,  -1.62,
11/18 07Z,   1.20,  -6.82,  -7.09,  99.90,  -1.47,
11/18 08Z,   1.20,  -5.39,  -5.55,  99.90,  -1.36,
11/18 09Z,   1.10,  -4.81,  -5.02,  99.90,  -1.31,  (max)
11/18 10Z,   1.00,  -5.16,  -5.39,  99.90,  -1.23,
11/18 11Z,   1.00,  -6.31,  -6.42,  99.90,  -1.11,
11/18 12Z,   1.10,  -7.92,  -8.09,  99.90,  -1.27,
11/18 13Z,   1.00,  -9.44,  -9.67,  99.90,  -1.23,
11/18 14Z,   1.00, -10.36, -10.55,  99.90,  -1.19,
11/18 15Z,   0.70, -10.38, -10.65,  99.90,  -0.97,  (min)
11/18 16Z,   1.00,  -9.45,  -9.73,  99.90,  -1.28,
11/18 17Z,   0.90,  -7.73,  -8.19,  99.90,  -1.36,
11/18 18Z,   1.00,  -5.65,  -6.21,  99.90,  -1.56,
11/18 19Z,   1.00,  -3.78,  -4.41,  99.90,  -1.63,
11/18 20Z,   1.00,  -2.65,  -3.19,  99.90,  -1.54,
11/18 21Z,   0.80,  -2.55,  -3.06,  99.90,  -1.31,  (max)
11/18 22Z,   0.90,  -3.54,  -4.10,  99.90,  -1.46,
11/18 23Z,   0.90,  -5.50,  -5.97,  99.90,  -1.37,
11/19 00Z,   0.80,  -8.07,  -8.58,  99.90,  -1.31,
11/19 01Z,   0.80, -10.70, -11.14,  99.90,  -1.24,
11/19 02Z,   0.80, -12.78, -13.31,  99.90,  -1.33,
11/19 03Z,   0.80, -13.83, -14.45,  99.90,  -1.42,  (min)
11/19 04Z,   0.80, -13.69, -14.32,  99.90,  -1.43,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/19 05Z,   0.70, -12.43,  99.90, -13.15,  -1.42,
11/19 06Z,   0.70, -10.36,  99.90, -11.08,  -1.42,
11/19 07Z,   0.70,  -8.04,  99.90,  -8.76,  -1.41,
11/19 08Z,   0.60,  -6.08,  99.90,  -6.89,  -1.41,
11/19 09Z,   0.60,  -4.90,  99.90,  -5.70,  -1.40,
11/19 10Z,   0.60,  -4.66,  99.90,  -5.46,  -1.40,  (max)
11/19 11Z,   0.50,  -5.33,  99.90,  -6.23,  -1.39,
11/19 12Z,   0.60,  -6.70,  99.90,  -7.49,  -1.39,
11/19 13Z,   0.50,  -8.33,  99.90,  -9.22,  -1.38,
11/19 14Z,   0.70,  -9.66,  99.90, -10.34,  -1.38,
11/19 15Z,   0.70, -10.21,  99.90, -10.88,  -1.37,  (min)
11/19 16Z,   0.80,  -9.78,  99.90, -10.35,  -1.37,
11/19 17Z,   0.90,  -8.44,  99.90,  -8.91,  -1.37,
11/19 18Z,   1.10,  -6.50,  99.90,  -6.77,  -1.37,
11/19 19Z,   1.50,  -4.44,  99.90,  -4.31,  -1.37,
11/19 20Z,   1.40,  -2.87,  99.90,  -2.84,  -1.37,
11/19 21Z,   1.30,  -2.25,  99.90,  -2.32,  -1.37,  (max)
11/19 22Z,   1.50,  -2.75,  99.90,  -2.62,  -1.37,
11/19 23Z,   1.60,  -4.32,  99.90,  -4.09,  -1.37,
11/20 00Z,   1.60,  -6.70,  99.90,  -6.47,  -1.37,
11/20 01Z,   1.50,  -9.47,  99.90,  -9.34,  -1.37,
11/20 02Z,   1.60, -12.00,  99.90, -11.77,  -1.37,
11/20 03Z,   1.50, -13.71,  99.90, -13.57,  -1.37,
11/20 04Z,   1.40, -14.23,  99.90, -14.19,  -1.37,  (min)
11/20 05Z,   1.50, -13.51,  99.90, -13.38,  -1.37,
11/20 06Z,   1.50, -11.77,  99.90, -11.64,  -1.37,
11/20 07Z,   1.70,  -9.45,  99.90,  -9.12,  -1.37,
11/20 08Z,   1.50,  -7.14,  99.90,  -7.01,  -1.37,
11/20 09Z,   1.70,  -5.42,  99.90,  -5.08,  -1.37,
11/20 10Z,   1.90,  -4.60,  99.90,  -4.07,  -1.37,  (max)
11/20 11Z,   2.00,  -4.75,  99.90,  -4.12,  -1.37,
11/20 12Z,   1.90,  -5.73,  99.90,  -5.20,  -1.37,
11/20 13Z,   2.10,  -7.24,  99.90,  -6.50,  -1.37,
11/20 14Z,   2.30,  -8.77,  99.90,  -7.84,  -1.37,
11/20 15Z,   2.20,  -9.78,  99.90,  -8.95,  -1.37,
11/20 16Z,   2.00,  -9.88,  99.90,  -9.25,  -1.37,  (min)
11/20 17Z,   2.10,  -9.01,  99.90,  -8.28,  -1.37,
11/20 18Z,   2.30,  -7.35,  99.90,  -6.42,  -1.37,
11/20 19Z,   2.30,  -5.32,  99.90,  -4.39,  -1.37,
11/20 20Z,   2.20,  -3.46,  99.90,  -2.63,  -1.37,
11/20 21Z,   2.00,  -2.33,  99.90,  -1.70,  -1.37,
11/20 22Z,   2.20,  -2.28,  99.90,  -1.45,  -1.37,  (max)
11/20 23Z,   2.30,  -3.36,  99.90,  -2.43,  -1.37,
11/21 00Z,   2.20,  -5.39,  99.90,  -4.56,  -1.37,
11/21 01Z,   2.10,  -8.04,  99.90,  -7.31,  -1.37,
11/21 02Z,   2.10, -10.79,  99.90, -10.06,  -1.37,
11/21 03Z,   2.20, -13.03,  99.90, -12.20,  -1.37,
11/21 04Z,   2.20, -14.23,  99.90, -13.39,  -1.37,  (min)
11/21 05Z,   2.40, -14.16,  99.90, -13.13,  -1.37,
11/21 06Z,   2.40, -12.93,  99.90, -11.89,  -1.37,
11/21 07Z,   2.40, -10.86,  99.90,  -9.82,  -1.37,
11/21 08Z,   2.30,  -8.46,  99.90,  -7.53,  -1.37,
11/21 09Z,   2.30,  -6.34,  99.90,  -5.41,  -1.37,
11/21 10Z,   2.20,  -4.98,  99.90,  -4.15,  -1.37,
11/21 11Z,   2.20,  -4.58,  99.90,  -3.75,  -1.37,  (max)
11/21 12Z,   2.00,  -5.09,  99.90,  -4.46,  -1.37,
11/21 13Z,   2.00,  -6.29,  99.90,  -5.66,  -1.37,
11/21 14Z,   1.90,  -7.81,  99.90,  -7.27,  -1.37,
11/21 15Z,   1.90,  -9.12,  99.90,  -8.59,  -1.37,
11/21 16Z,   1.80,  -9.72,  99.90,  -9.29,  -1.37,  (min)
11/21 17Z,   1.80,  -9.37,  99.90,  -8.94,  -1.37,
11/21 18Z,   1.80,  -8.12,  99.90,  -7.69,  -1.37,
11/21 19Z,   1.80,  -6.29,  99.90,  -5.86,  -1.37,
11/21 20Z,   1.70,  -4.34,  99.90,  -4.00,  -1.37,
11/21 21Z,   1.60,  -2.81,  99.90,  -2.58,  -1.37,
11/21 22Z,   1.50,  -2.20,  99.90,  -2.07,  -1.37,  (max)
11/21 23Z,   1.50,  -2.71,  99.90,  -2.58,  -1.37,
11/22 00Z,   1.40,  -4.27,  99.90,  -4.24,  -1.37,
11/22 01Z,   1.40,  -6.61,  99.90,  -6.58,  -1.37,
11/22 02Z,   1.30,  -9.33,  99.90,  -9.40,  -1.37,
11/22 03Z,   1.40, -11.88,  99.90, -11.85,  -1.37,
11/22 04Z,   1.40, -13.67,  99.90, -13.64,  -1.37,
11/22 05Z,   1.40, -14.31,  99.90, -14.28,  -1.37,  (min)
11/22 06Z,   1.50, -13.70,  99.90, -13.57,  -1.37,
11/22 07Z,   1.50, -12.09,  99.90, -11.96,  -1.37,
11/22 08Z,   1.50,  -9.88,  99.90,  -9.74,  -1.37,
11/22 09Z,   1.40,  -7.60,  99.90,  -7.57,  -1.37,
11/22 10Z,   1.40,  -5.80,  99.90,  -5.77,  -1.37,
11/22 11Z,   1.30,  -4.85,  99.90,  -4.92,  -1.37,
11/22 12Z,   1.30,  -4.84,  99.90,  -4.91,  -1.37,  (max)
11/22 13Z,   1.30,  -5.62,  99.90,  -5.69,  -1.37,
11/22 14Z,   1.30,  -6.91,  99.90,  -6.97,  -1.37,
11/22 15Z,   1.20,  -8.30,  99.90,  -8.46,  -1.37,
11/22 16Z,   1.20,  -9.29,  99.90,  -9.45,  -1.37,
11/22 17Z,   1.20,  -9.46,  99.90,  -9.63,  -1.37,  (min)
11/22 18Z,   1.30,  -8.71,  99.90,  -8.78,  -1.37,
11/22 19Z,  99.90,  -7.22,  99.90,  99.90,  -1.37,
11/22 20Z,  99.90,  -5.37,  99.90,  99.90,  -1.37,
11/22 21Z,  99.90,  -3.66,  99.90,  99.90,  -1.37,
11/22 22Z,  99.90,  -2.57,  99.90,  99.90,  -1.37,
11/22 23Z,  99.90,  -2.48,  99.90,  99.90,  -1.37,
11/23 00Z,  99.90,  -3.47,  99.90,  99.90,  -1.37,