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
#Toke Point, WA : 05/21/2025 09:21:33 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 18Z,   0.20, -10.25,  -9.77,  99.90,   0.28,
05/19 19Z,   0.20, -11.18, -10.75,  99.90,   0.23,
05/19 20Z,   0.20, -11.41, -10.95,  99.90,   0.26,  (min)
05/19 21Z,   0.10, -10.84, -10.35,  99.90,   0.39,
05/19 22Z,   0.10,  -9.62,  -9.09,  99.90,   0.43,
05/19 23Z,   0.10,  -8.11,  -7.62,  99.90,   0.39,
05/20 00Z,   0.10,  -6.67,  -6.35,  99.90,   0.22,
05/20 01Z,   0.10,  -5.50,  -5.25,  99.90,   0.15,
05/20 02Z,   0.10,  -4.77,  -4.50,  99.90,   0.17,
05/20 03Z,   0.10,  -4.62,  -4.42,  99.90,   0.10,  (max)
05/20 04Z,   0.10,  -5.05,  -4.80,  99.90,   0.15,
05/20 05Z,   0.00,  -5.82,  -5.54,  99.90,   0.28,
05/20 06Z,   0.00,  -6.67,  -6.29,  99.90,   0.38,
05/20 07Z,   0.00,  -7.38,  -6.95,  99.90,   0.43,
05/20 08Z,   0.00,  -7.75,  -7.26,  99.90,   0.49,  (min)
05/20 09Z,   0.00,  -7.58,  -7.21,  99.90,   0.37,
05/20 10Z,   0.00,  -6.90,  -6.66,  99.90,   0.24,
05/20 11Z,   0.00,  -5.96,  -5.74,  99.90,   0.22,
05/20 12Z,   0.00,  -5.09,  -4.74,  99.90,   0.35,
05/20 13Z,   0.00,  -4.52,  -4.18,  99.90,   0.34,
05/20 14Z,   0.00,  -4.39,  -4.10,  99.90,   0.29,  (max)
05/20 15Z,   0.00,  -4.83,  -4.69,  99.90,   0.14,
05/20 16Z,   0.00,  -5.86,  -5.65,  99.90,   0.21,
05/20 17Z,   0.00,  -7.29,  -7.00,  99.90,   0.29,
05/20 18Z,   0.00,  -8.80,  -8.42,  99.90,   0.38,
05/20 19Z,  -0.10, -10.09,  -9.69,  99.90,   0.50,
05/20 20Z,  -0.10, -10.92, -10.45,  99.90,   0.57,
05/20 21Z,  -0.10, -11.08, -10.60,  99.90,   0.58,  (min)
05/20 22Z,  -0.10, -10.46, -10.12,  99.90,   0.44,
05/20 23Z,  -0.10,  -9.20,  -8.88,  99.90,   0.42,
05/21 00Z,  -0.20,  -7.67,  -7.46,  99.90,   0.41,
05/21 01Z,  -0.20,  -6.19,  -6.04,  99.90,   0.35,
05/21 02Z,  -0.20,  -5.00,  -4.98,  99.90,   0.22,
05/21 03Z,  -0.20,  -4.29,  -4.26,  99.90,   0.23,
05/21 04Z,  -0.20,  -4.24,  -4.20,  99.90,   0.24,  (max)
05/21 05Z,  -0.20,  -4.81,  -4.74,  99.90,   0.27,
05/21 06Z,  -0.20,  -5.77,  -5.69,  99.90,   0.28,
05/21 07Z,  -0.20,  -6.83,  -6.79,  99.90,   0.24,
05/21 08Z,  -0.30,  -7.76,  -7.75,  99.90,   0.31,
05/21 09Z,  -0.30,  -8.34,  -8.30,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 10Z,  -0.30,  -8.33,  99.90,  -8.31,   0.32,  (min)
05/21 11Z,  -0.30,  -7.73,  99.90,  -7.73,   0.30,
05/21 12Z,  -0.30,  -6.79,  99.90,  -6.80,   0.29,
05/21 13Z,  -0.30,  -5.82,  99.90,  -5.84,   0.27,
05/21 14Z,  -0.30,  -5.06,  99.90,  -5.10,   0.26,
05/21 15Z,  -0.30,  -4.72,  99.90,  -4.78,   0.24,  (max)
05/21 16Z,  -0.30,  -4.97,  99.90,  -5.04,   0.22,
05/21 17Z,  -0.30,  -5.84,  99.90,  -5.94,   0.21,
05/21 18Z,  -0.30,  -7.15,  99.90,  -7.26,   0.19,
05/21 19Z,  -0.30,  -8.56,  99.90,  -8.68,   0.17,
05/21 20Z,  -0.30,  -9.79,  99.90,  -9.93,   0.16,
05/21 21Z,  -0.30, -10.60,  99.90, -10.75,   0.14,
05/21 22Z,  -0.20, -10.71,  99.90, -10.77,   0.14,  (min)
05/21 23Z,  -0.20, -10.02,  99.90, -10.08,   0.14,
05/22 00Z,  -0.20,  -8.69,  99.90,  -8.75,   0.14,
05/22 01Z,  -0.20,  -7.07,  99.90,  -7.13,   0.14,
05/22 02Z,  -0.20,  -5.51,  99.90,  -5.57,   0.14,
05/22 03Z,  -0.20,  -4.28,  99.90,  -4.34,   0.14,
05/22 04Z,  -0.20,  -3.63,  99.90,  -3.69,   0.14,  (max)
05/22 05Z,  -0.20,  -3.75,  99.90,  -3.81,   0.14,
05/22 06Z,  -0.20,  -4.56,  99.90,  -4.62,   0.14,
05/22 07Z,  -0.20,  -5.80,  99.90,  -5.85,   0.14,
05/22 08Z,  -0.20,  -7.17,  99.90,  -7.23,   0.14,
05/22 09Z,  -0.20,  -8.42,  99.90,  -8.48,   0.14,
05/22 10Z,  -0.20,  -9.25,  99.90,  -9.31,   0.14,
05/22 11Z,  -0.20,  -9.38,  99.90,  -9.44,   0.14,  (min)
05/22 12Z,  -0.20,  -8.79,  99.90,  -8.85,   0.14,
05/22 13Z,  -0.20,  -7.73,  99.90,  -7.79,   0.14,
05/22 14Z,  -0.10,  -6.54,  99.90,  -6.49,   0.14,
05/22 15Z,  -0.10,  -5.49,  99.90,  -5.45,   0.14,
05/22 16Z,  -0.10,  -4.87,  99.90,  -4.83,   0.14,  (max)
05/22 17Z,  -0.10,  -4.91,  99.90,  -4.87,   0.14,
05/22 18Z,  -0.10,  -5.64,  99.90,  -5.59,   0.14,
05/22 19Z,  -0.10,  -6.84,  99.90,  -6.80,   0.14,
05/22 20Z,  -0.10,  -8.20,  99.90,  -8.15,   0.14,
05/22 21Z,  -0.10,  -9.42,  99.90,  -9.38,   0.14,
05/22 22Z,  -0.10, -10.22,  99.90, -10.17,   0.14,
05/22 23Z,  -0.10, -10.29,  99.90, -10.24,   0.14,  (min)
05/23 00Z,  -0.10,  -9.50,  99.90,  -9.46,   0.14,
05/23 01Z,  -0.10,  -8.04,  99.90,  -8.00,   0.14,
05/23 02Z,  -0.10,  -6.30,  99.90,  -6.26,   0.14,
05/23 03Z,  -0.10,  -4.64,  99.90,  -4.60,   0.14,
05/23 04Z,  -0.10,  -3.40,  99.90,  -3.36,   0.14,
05/23 05Z,  -0.10,  -2.89,  99.90,  -2.85,   0.14,  (max)
05/23 06Z,  -0.20,  -3.26,  99.90,  -3.31,   0.14,
05/23 07Z,  -0.20,  -4.39,  99.90,  -4.45,   0.14,
05/23 08Z,  -0.20,  -6.00,  99.90,  -6.06,   0.14,
05/23 09Z,  -0.10,  -7.76,  99.90,  -7.72,   0.14,
05/23 10Z,  -0.10,  -9.35,  99.90,  -9.31,   0.14,
05/23 11Z,  -0.10, -10.40,  99.90, -10.36,   0.14,
05/23 12Z,  -0.10, -10.60,  99.90, -10.56,   0.14,  (min)
05/23 13Z,  -0.10,  -9.92,  99.90,  -9.88,   0.14,
05/23 14Z,  -0.10,  -8.63,  99.90,  -8.59,   0.14,
05/23 15Z,  -0.10,  -7.12,  99.90,  -7.07,   0.14,
05/23 16Z,  -0.10,  -5.74,  99.90,  -5.69,   0.14,
05/23 17Z,  -0.10,  -4.84,  99.90,  -4.79,   0.14,
05/23 18Z,  -0.10,  -4.68,  99.90,  -4.64,   0.14,  (max)
05/23 19Z,  -0.10,  -5.30,  99.90,  -5.26,   0.14,
05/23 20Z,  -0.10,  -6.44,  99.90,  -6.40,   0.14,
05/23 21Z,  -0.10,  -7.79,  99.90,  -7.75,   0.14,
05/23 22Z,  -0.10,  -9.03,  99.90,  -8.99,   0.14,
05/23 23Z,  -0.10,  -9.81,  99.90,  -9.77,   0.14,  (min)
05/24 00Z,  -0.10,  -9.81,  99.90,  -9.77,   0.14,
05/24 01Z,  -0.10,  -8.89,  99.90,  -8.85,   0.14,
05/24 02Z,  -0.10,  -7.28,  99.90,  -7.23,   0.14,
05/24 03Z,  -0.10,  -5.39,  99.90,  -5.35,   0.14,
05/24 04Z,  -0.10,  -3.67,  99.90,  -3.63,   0.14,
05/24 05Z,  -0.10,  -2.50,  99.90,  -2.46,   0.14,
05/24 06Z,  -0.10,  -2.19,  99.90,  -2.15,   0.14,  (max)
05/24 07Z,  -0.10,  -2.89,  99.90,  -2.84,   0.14,
05/24 08Z,  -0.10,  -4.41,  99.90,  -4.37,   0.14,
05/24 09Z,  -0.10,  -6.42,  99.90,  -6.38,   0.14,
05/24 10Z,  -0.10,  -8.56,  99.90,  -8.52,   0.14,
05/24 11Z,  -0.10, -10.45,  99.90, -10.41,   0.14,
05/24 12Z,  -0.10, -11.64,  99.90, -11.60,   0.14,
05/24 13Z,  -0.10, -11.80,  99.90, -11.75,   0.14,  (min)
05/24 14Z,  -0.10, -10.92,  99.90, -10.87,   0.14,
05/24 15Z,  -0.10,  -9.32,  99.90,  -9.28,   0.14,
05/24 16Z,  -0.10,  -7.46,  99.90,  -7.42,   0.14,
05/24 17Z,  -0.10,  -5.77,  99.90,  -5.73,   0.14,
05/24 18Z,  -0.10,  -4.64,  99.90,  -4.60,   0.14,
05/24 19Z,  -0.10,  -4.37,  99.90,  -4.32,   0.14,  (max)
05/24 20Z,  -0.10,  -4.92,  99.90,  -4.88,   0.14,
05/24 21Z,  -0.10,  -6.06,  99.90,  -6.01,   0.14,
05/24 22Z,  -0.10,  -7.42,  99.90,  -7.38,   0.14,
05/24 23Z,  -0.10,  -8.67,  99.90,  -8.63,   0.14,
05/25 00Z,  -0.10,  -9.43,  99.90,  -9.38,   0.14,
05/25 01Z,  99.90,  -9.31,  99.90,  99.90,   0.14,
05/25 02Z,  99.90,  -8.22,  99.90,  99.90,   0.14,
05/25 03Z,  99.90,  -6.44,  99.90,  99.90,   0.14,
05/25 04Z,  99.90,  -4.45,  99.90,  99.90,   0.14,
05/25 05Z,  99.90,  -2.73,  99.90,  99.90,   0.14,
05/25 06Z,  99.90,  -1.70,  99.90,  99.90,   0.14,