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
#Skagway, AK : 05/22/2025 23:23:44 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 06Z,   1.40,  -8.73,  -9.31,  99.90,  -1.98,
05/21 07Z,   1.50, -10.50, -10.98,  99.90,  -1.98,
05/21 08Z,   1.70, -12.66, -13.23,  99.90,  -2.27,
05/21 09Z,   1.80, -14.69, -15.08,  99.90,  -2.19,
05/21 10Z,   1.90, -15.94, -16.52,  99.90,  -2.48,
05/21 11Z,   1.90, -15.94, -16.65,  99.90,  -2.61,  (min)
05/21 12Z,   1.40, -14.78, -15.59,  99.90,  -2.21,
05/21 13Z,   1.40, -12.91, -13.79,  99.90,  -2.28,
05/21 14Z,   1.50, -10.82, -11.55,  99.90,  -2.23,
05/21 15Z,   1.60,  -9.00,  -9.74,  99.90,  -2.34,
05/21 16Z,   1.60,  -7.99,  -8.79,  99.90,  -2.40,  (max)
05/21 17Z,   1.60,  -8.18,  -8.98,  99.90,  -2.40,
05/21 18Z,   1.30,  -9.55, -10.26,  99.90,  -2.01,
05/21 19Z,   1.40, -11.75, -12.40,  99.90,  -2.05,
05/21 20Z,   1.50, -14.33, -15.17,  99.90,  -2.34,
05/21 21Z,   1.50, -16.80, -17.42,  99.90,  -2.12,
05/21 22Z,   1.60, -18.49, -19.19,  99.90,  -2.30,
05/21 23Z,   1.60, -18.82, -19.47,  99.90,  -2.25,  (min)
05/22 00Z,   1.40, -17.69, -18.32,  99.90,  -2.03,
05/22 01Z,   1.50, -15.49, -16.49,  99.90,  -2.50,
05/22 02Z,   1.50, -12.74, -13.69,  99.90,  -2.45,
05/22 03Z,   1.50,  -9.95, -11.10,  99.90,  -2.65,
05/22 04Z,   1.50,  -7.68,  -8.81,  99.90,  -2.63,
05/22 05Z,   1.60,  -6.47,  -7.56,  99.90,  -2.69,  (max)
05/22 06Z,   1.50,  -6.62,  -7.58,  99.90,  -2.46,
05/22 07Z,   1.50,  -7.98,  -8.65,  99.90,  -2.17,
05/22 08Z,   1.50, -10.27, -10.80,  99.90,  -2.03,
05/22 09Z,   1.50, -13.06, -13.57,  99.90,  -2.01,
05/22 10Z,   1.50, -15.72, -16.27,  99.90,  -2.05,
05/22 11Z,   1.50, -17.44, -18.16,  99.90,  -2.22,
05/22 12Z,   1.50, -17.69, -18.39,  99.90,  -2.20,  (min)
05/22 13Z,   1.50, -16.51, -17.22,  99.90,  -2.21,
05/22 14Z,   1.50, -14.34, -15.19,  99.90,  -2.35,
05/22 15Z,   1.40, -11.75, -12.45,  99.90,  -2.10,
05/22 16Z,   1.40,  -9.35, -10.08,  99.90,  -2.13,
05/22 17Z,   1.30,  -7.84,  -8.68,  99.90,  -2.14,
05/22 18Z,   1.60,  -7.68,  -8.47,  99.90,  -2.39,  (max)
05/22 19Z,   1.70,  -8.85,  -9.61,  99.90,  -2.46,
05/22 20Z,   1.70, -11.02, -11.68,  99.90,  -2.36,
05/22 21Z,   1.60, -13.74, -14.48,  99.90,  -2.34,
05/22 22Z,   1.60, -16.43, -17.10,  99.90,  -2.27,
05/22 23Z,   1.50, -18.32, -18.99,  99.90,  -2.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/23 00Z,   1.50, -18.75,  99.90, -19.42,  -2.17,  (min)
05/23 01Z,   1.60, -17.56,  99.90, -18.12,  -2.17,
05/23 02Z,   1.80, -15.10,  99.90, -15.47,  -2.17,
05/23 03Z,   1.90, -11.95,  99.90, -12.22,  -2.17,
05/23 04Z,   2.00,  -8.74,  99.90,  -8.91,  -2.17,
05/23 05Z,   2.30,  -6.21,  99.90,  -6.08,  -2.17,
05/23 06Z,   2.30,  -5.03,  99.90,  -4.89,  -2.17,  (max)
05/23 07Z,   2.30,  -5.47,  99.90,  -5.33,  -2.17,
05/23 08Z,   2.20,  -7.37,  99.90,  -7.34,  -2.17,
05/23 09Z,   2.00, -10.37,  99.90, -10.54,  -2.17,
05/23 10Z,   1.60, -13.95,  99.90, -14.51,  -2.17,
05/23 11Z,   1.40, -17.27,  99.90, -18.04,  -2.17,
05/23 12Z,   1.40, -19.40,  99.90, -20.17,  -2.17,
05/23 13Z,   1.40, -19.72,  99.90, -20.49,  -2.17,  (min)
05/23 14Z,   1.40, -18.28,  99.90, -19.05,  -2.17,
05/23 15Z,   1.50, -15.58,  99.90, -16.24,  -2.17,
05/23 16Z,   1.70, -12.30,  99.90, -12.77,  -2.17,
05/23 17Z,   1.80,  -9.26,  99.90,  -9.63,  -2.17,
05/23 18Z,   2.00,  -7.29,  99.90,  -7.46,  -2.17,
05/23 19Z,   2.00,  -6.89,  99.90,  -7.05,  -2.17,  (max)
05/23 20Z,   2.10,  -8.01,  99.90,  -8.08,  -2.17,
05/23 21Z,   2.10, -10.29,  99.90, -10.36,  -2.17,
05/23 22Z,   2.00, -13.26,  99.90, -13.43,  -2.17,
05/23 23Z,   2.00, -16.24,  99.90, -16.41,  -2.17,
05/24 00Z,   1.80, -18.33,  99.90, -18.70,  -2.17,
05/24 01Z,   1.70, -18.75,  99.90, -19.22,  -2.17,  (min)
05/24 02Z,   1.60, -17.33,  99.90, -17.89,  -2.17,
05/24 03Z,   1.60, -14.45,  99.90, -15.02,  -2.17,
05/24 04Z,   1.60, -10.81,  99.90, -11.38,  -2.17,
05/24 05Z,   1.70,  -7.21,  99.90,  -7.67,  -2.17,
05/24 06Z,   1.70,  -4.55,  99.90,  -5.02,  -2.17,
05/24 07Z,   1.80,  -3.58,  99.90,  -3.95,  -2.17,  (max)
05/24 08Z,   1.80,  -4.51,  99.90,  -4.88,  -2.17,
05/24 09Z,   1.80,  -7.11,  99.90,  -7.48,  -2.17,
05/24 10Z,   1.80, -10.92,  99.90, -11.29,  -2.17,
05/24 11Z,   1.70, -15.28,  99.90, -15.74,  -2.17,
05/24 12Z,   1.70, -19.18,  99.90, -19.64,  -2.17,
05/24 13Z,   1.60, -21.52,  99.90, -22.09,  -2.17,
05/24 14Z,   1.50, -21.67,  99.90, -22.34,  -2.17,  (min)
05/24 15Z,   1.60, -19.74,  99.90, -20.31,  -2.17,
05/24 16Z,   1.70, -16.34,  99.90, -16.81,  -2.17,
05/24 17Z,   1.70, -12.35,  99.90, -12.82,  -2.17,
05/24 18Z,   1.80,  -8.76,  99.90,  -9.13,  -2.17,
05/24 19Z,   1.90,  -6.50,  99.90,  -6.76,  -2.17,
05/24 20Z,   1.90,  -6.01,  99.90,  -6.28,  -2.17,  (max)
05/24 21Z,   2.10,  -7.22,  99.90,  -7.29,  -2.17,
05/24 22Z,   2.20,  -9.73,  99.90,  -9.70,  -2.17,
05/24 23Z,   2.20, -13.01,  99.90, -12.98,  -2.17,
05/25 00Z,   2.10, -16.27,  99.90, -16.33,  -2.17,
05/25 01Z,   2.10, -18.44,  99.90, -18.51,  -2.17,
05/25 02Z,   2.10, -18.71,  99.90, -18.78,  -2.17,  (min)
05/25 03Z,   2.10, -16.91,  99.90, -16.98,  -2.17,
05/25 04Z,   2.10, -13.54,  99.90, -13.61,  -2.17,
05/25 05Z,   2.10,  -9.43,  99.90,  -9.50,  -2.17,
05/25 06Z,   2.20,  -5.57,  99.90,  -5.54,  -2.17,
05/25 07Z,   2.10,  -2.99,  99.90,  -3.06,  -2.17,
05/25 08Z,   2.10,  -2.41,  99.90,  -2.48,  -2.17,  (max)
05/25 09Z,   2.00,  -3.95,  99.90,  -4.12,  -2.17,
05/25 10Z,   1.70,  -7.29,  99.90,  -7.76,  -2.17,
05/25 11Z,   1.50, -11.87,  99.90, -12.54,  -2.17,
05/25 12Z,   1.50, -16.88,  99.90, -17.55,  -2.17,
05/25 13Z,   1.60, -21.13,  99.90, -21.70,  -2.17,
05/25 14Z,   1.70, -23.44,  99.90, -23.90,  -2.17,  (min)
05/25 15Z,   1.90, -23.18,  99.90, -23.45,  -2.17,
05/25 16Z,   2.10, -20.62,  99.90, -20.68,  -2.17,
05/25 17Z,   2.40, -16.52,  99.90, -16.29,  -2.17,
05/25 18Z,   2.50, -11.95,  99.90, -11.61,  -2.17,
05/25 19Z,   2.50,  -8.02,  99.90,  -7.69,  -2.17,
05/25 20Z,   2.50,  -5.66,  99.90,  -5.33,  -2.17,
05/25 21Z,   2.30,  -5.27,  99.90,  -5.14,  -2.17,  (max)
05/25 22Z,   2.10,  -6.68,  99.90,  -6.75,  -2.17,
05/25 23Z,   2.00,  -9.46,  99.90,  -9.63,  -2.17,
05/26 00Z,   2.00, -13.04,  99.90, -13.21,  -2.17,
05/26 01Z,   2.10, -16.47,  99.90, -16.54,  -2.17,
05/26 02Z,   2.20, -18.59,  99.90, -18.56,  -2.17,  (min)
05/26 03Z,   2.30, -18.55,  99.90, -18.42,  -2.17,
05/26 04Z,   2.50, -16.29,  99.90, -15.96,  -2.17,
05/26 05Z,   2.70, -12.45,  99.90, -11.91,  -2.17,
05/26 06Z,   2.70,  -8.01,  99.90,  -7.48,  -2.17,
05/26 07Z,   2.70,  -4.11,  99.90,  -3.57,  -2.17,
05/26 08Z,   2.70,  -1.80,  99.90,  -1.27,  -2.17,  (max)
05/26 09Z,   2.60,  -1.73,  99.90,  -1.30,  -2.17,
05/26 10Z,   2.40,  -3.90,  99.90,  -3.67,  -2.17,
05/26 11Z,   2.30,  -7.90,  99.90,  -7.77,  -2.17,
05/26 12Z,   2.20, -13.09,  99.90, -13.06,  -2.17,
05/26 13Z,   2.20, -18.52,  99.90, -18.49,  -2.17,
05/26 14Z,   2.20, -22.84,  99.90, -22.81,  -2.17,
05/26 15Z,   2.20, -24.83,  99.90, -24.80,  -2.17,  (min)
05/26 16Z,   2.40, -24.00,  99.90, -23.77,  -2.17,
05/26 17Z,   2.50, -20.78,  99.90, -20.45,  -2.17,
05/26 18Z,   2.50, -16.13,  99.90, -15.80,  -2.17,