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
#Seldovia, AK : 05/19/2026 02:21:52 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 06Z,  -0.20, -20.07, -19.46,  99.90,   0.81,  (min)
05/17 07Z,  -0.10, -16.22, -15.31,  99.90,   1.01,
05/17 08Z,   0.00, -11.27, -10.49,  99.90,   0.78,
05/17 09Z,   0.00,  -6.47,  -5.87,  99.90,   0.60,
05/17 10Z,   0.10,  -3.01,  -2.41,  99.90,   0.50,
05/17 11Z,   0.10,  -1.85,  -1.21,  99.90,   0.54,  (max)
05/17 12Z,   0.10,  -3.34,  -2.95,  99.90,   0.29,
05/17 13Z,   0.10,  -7.29,  -7.16,  99.90,   0.03,
05/17 14Z,   0.20, -12.97, -12.75,  99.90,   0.02,
05/17 15Z,   0.30, -19.26, -18.81,  99.90,   0.15,
05/17 16Z,   0.30, -24.79, -24.23,  99.90,   0.26,
05/17 17Z,   0.20, -28.12, -27.34,  99.90,   0.58,
05/17 18Z,   0.20, -28.32, -27.39,  99.90,   0.73,  (min)
05/17 19Z,   0.10, -25.51, -24.87,  99.90,   0.54,
05/17 20Z,   0.10, -20.67, -20.31,  99.90,   0.26,
05/17 21Z,   0.20, -14.96, -14.65,  99.90,   0.11,
05/17 22Z,   0.20,  -9.62,  -9.36,  99.90,   0.06,
05/17 23Z,   0.10,  -5.81,  -5.88,  99.90,  -0.17,
05/18 00Z,   0.20,  -4.32,  -4.50,  99.90,  -0.38,  (max)
05/18 01Z,   0.10,  -5.38,  -5.60,  99.90,  -0.32,
05/18 02Z,   0.00,  -8.62,  -9.07,  99.90,  -0.45,
05/18 03Z,   0.00, -13.14, -13.64,  99.90,  -0.50,
05/18 04Z,   0.00, -17.70, -17.99,  99.90,  -0.29,
05/18 05Z,  -0.10, -20.85, -21.01,  99.90,  -0.06,
05/18 06Z,   0.00, -21.40, -21.31,  99.90,   0.09,  (min)
05/18 07Z,  -0.10, -19.12, -18.66,  99.90,   0.56,
05/18 08Z,   0.00, -14.86, -14.41,  99.90,   0.45,
05/18 09Z,   0.00,  -9.85,  -9.77,  99.90,   0.08,
05/18 10Z,  -0.10,  -5.31,  -5.40,  99.90,   0.01,
05/18 11Z,  -0.10,  -2.37,  -2.43,  99.90,   0.04,
05/18 12Z,   0.00,  -1.86,  -1.89,  99.90,  -0.03,  (max)
05/18 13Z,  -0.10,  -4.02,  -4.30,  99.90,  -0.18,
05/18 14Z,  -0.10,  -8.52,  -8.87,  99.90,  -0.25,
05/18 15Z,  -0.30, -14.51, -14.54,  99.90,   0.27,
05/18 16Z,  -0.40, -20.77, -20.68,  99.90,   0.49,
05/18 17Z,  -0.50, -25.90, -25.77,  99.90,   0.63,
05/18 18Z,  -0.20, -28.52, -28.30,  99.90,   0.42,  (min)
05/18 19Z,  -0.20, -27.96, -27.70,  99.90,   0.46,
05/18 20Z,  -0.10, -24.62, -24.62,  99.90,   0.10,
05/18 21Z,  -0.10, -19.56, -19.84,  99.90,  -0.18,
05/18 22Z,  -0.10, -13.94, -14.14,  99.90,  -0.10,
05/18 23Z,  -0.10,  -8.90,  -9.11,  99.90,  -0.11,
05/19 00Z,  -0.20,  -5.55,  -6.02,  99.90,  -0.27,
05/19 01Z,  -0.20,  -4.54,  -5.01,  99.90,  -0.27,  (max)
05/19 02Z,  -0.30,  -6.01,  -6.43,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 03Z,  -0.20,  -9.49,  99.90,  -9.80,  -0.11,
05/19 04Z,  -0.20, -13.99,  99.90, -14.29,  -0.10,
05/19 05Z,  -0.10, -18.22,  99.90, -18.41,  -0.09,
05/19 06Z,   0.00, -20.79,  99.90, -20.87,  -0.08,  (min)
05/19 07Z,   0.10, -20.71,  99.90, -20.67,  -0.07,
05/19 08Z,   0.10, -18.02,  99.90, -17.98,  -0.06,
05/19 09Z,   0.20, -13.71,  99.90, -13.55,  -0.05,
05/19 10Z,   0.10,  -8.96,  99.90,  -8.90,  -0.04,
05/19 11Z,   0.00,  -4.90,  99.90,  -4.92,  -0.02,
05/19 12Z,   0.00,  -2.55,  99.90,  -2.56,  -0.01,  (max)
05/19 13Z,  -0.10,  -2.61,  99.90,  -2.71,  -0.00,
05/19 14Z,  -0.10,  -5.19,  99.90,  -5.29,   0.01,
05/19 15Z,  -0.20,  -9.89,  99.90, -10.09,   0.01,
05/19 16Z,  -0.20, -15.78,  99.90, -15.98,   0.01,
05/19 17Z,  -0.20, -21.63,  99.90, -21.82,   0.01,
05/19 18Z,  -0.20, -26.09,  99.90, -26.28,   0.01,
05/19 19Z,  -0.20, -27.98,  99.90, -28.17,   0.01,  (min)
05/19 20Z,  -0.20, -26.86,  99.90, -27.06,   0.01,
05/19 21Z,  -0.20, -23.34,  99.90, -23.53,   0.01,
05/19 22Z,  -0.10, -18.44,  99.90, -18.53,   0.01,
05/19 23Z,   0.00, -13.19,  99.90, -13.18,   0.01,
05/20 00Z,   0.00,  -8.65,  99.90,  -8.65,   0.01,
05/20 01Z,  -0.20,  -5.81,  99.90,  -6.00,   0.01,
05/20 02Z,  -0.30,  -5.23,  99.90,  -5.52,   0.01,  (max)
05/20 03Z,  -0.50,  -6.93,  99.90,  -7.42,   0.01,
05/20 04Z,  -0.60, -10.38,  99.90, -10.97,   0.01,
05/20 05Z,  -0.60, -14.58,  99.90, -15.17,   0.01,
05/20 06Z,  -0.60, -18.30,  99.90, -18.89,   0.01,
05/20 07Z,  -0.40, -20.28,  99.90, -20.67,   0.01,  (min)
05/20 08Z,  -0.30, -19.78,  99.90, -20.07,   0.01,
05/20 09Z,  -0.20, -17.03,  99.90, -17.22,   0.01,
05/20 10Z,  -0.10, -13.01,  99.90, -13.11,   0.01,
05/20 11Z,  -0.10,  -8.78,  99.90,  -8.87,   0.01,
05/20 12Z,  -0.10,  -5.30,  99.90,  -5.39,   0.01,
05/20 13Z,  -0.20,  -3.49,  99.90,  -3.68,   0.01,  (max)
05/20 14Z,  -0.30,  -3.92,  99.90,  -4.21,   0.01,
05/20 15Z,  -0.40,  -6.64,  99.90,  -7.03,   0.01,
05/20 16Z,  -0.40, -11.16,  99.90, -11.55,   0.01,
05/20 17Z,  -0.40, -16.57,  99.90, -16.96,   0.01,
05/20 18Z,  -0.40, -21.72,  99.90, -22.11,   0.01,
05/20 19Z,  -0.40, -25.43,  99.90, -25.82,   0.01,
05/20 20Z,  -0.30, -26.71,  99.90, -27.00,   0.01,  (min)
05/20 21Z,  -0.30, -25.33,  99.90, -25.63,   0.01,
05/20 22Z,  -0.20, -21.96,  99.90, -22.15,   0.01,
05/20 23Z,  -0.10, -17.49,  99.90, -17.58,   0.01,
05/21 00Z,   0.00, -12.79,  99.90, -12.79,   0.01,
05/21 01Z,   0.00,  -8.82,  99.90,  -8.82,   0.01,
05/21 02Z,   0.10,  -6.45,  99.90,  -6.34,   0.01,
05/21 03Z,   0.10,  -6.13,  99.90,  -6.02,   0.01,  (max)
05/21 04Z,   0.10,  -7.84,  99.90,  -7.73,   0.01,
05/21 05Z,   0.10, -11.03,  99.90, -10.92,   0.01,
05/21 06Z,   0.20, -14.76,  99.90, -14.55,   0.01,
05/21 07Z,   0.20, -17.94,  99.90, -17.73,   0.01,
05/21 08Z,   0.30, -19.51,  99.90, -19.20,   0.01,  (min)
05/21 09Z,   0.30, -18.89,  99.90, -18.58,   0.01,
05/21 10Z,   0.20, -16.41,  99.90, -16.20,   0.01,
05/21 11Z,   0.10, -12.95,  99.90, -12.84,   0.01,
05/21 12Z,   0.00,  -9.34,  99.90,  -9.34,   0.01,
05/21 13Z,   0.00,  -6.42,  99.90,  -6.42,   0.01,
05/21 14Z,  -0.20,  -5.00,  99.90,  -5.19,   0.01,  (max)
05/21 15Z,  -0.30,  -5.55,  99.90,  -5.84,   0.01,
05/21 16Z,  -0.30,  -8.07,  99.90,  -8.36,   0.01,
05/21 17Z,  -0.20, -12.08,  99.90, -12.27,   0.01,
05/21 18Z,  -0.10, -16.76,  99.90, -16.85,   0.01,
05/21 19Z,   0.00, -21.12,  99.90, -21.11,   0.01,
05/21 20Z,   0.00, -24.15,  99.90, -24.15,   0.01,
05/21 21Z,   0.00, -25.05,  99.90, -25.04,   0.01,  (min)
05/21 22Z,   0.00, -23.70,  99.90, -23.70,   0.01,
05/21 23Z,   0.00, -20.72,  99.90, -20.71,   0.01,
05/22 00Z,  -0.10, -16.81,  99.90, -16.90,   0.01,
05/22 01Z,  -0.20, -12.70,  99.90, -12.89,   0.01,
05/22 02Z,  -0.30,  -9.23,  99.90,  -9.52,   0.01,
05/22 03Z,  -0.40,  -7.19,  99.90,  -7.58,   0.01,
05/22 04Z,  -0.40,  -6.96,  99.90,  -7.35,   0.01,  (max)
05/22 05Z,  -0.40,  -8.49,  99.90,  -8.88,   0.01,
05/22 06Z,  -0.30, -11.28,  99.90, -11.57,   0.01,
05/22 07Z,  -0.30, -14.53,  99.90, -14.82,   0.01,
05/22 08Z,  -0.20, -17.33,  99.90, -17.52,   0.01,
05/22 09Z,  -0.20, -18.74,  99.90, -18.93,   0.01,  (min)
05/22 10Z,  -0.20, -18.31,  99.90, -18.50,   0.01,
05/22 11Z,  -0.20, -16.35,  99.90, -16.54,   0.01,
05/22 12Z,  -0.20, -13.55,  99.90, -13.74,   0.01,
05/22 13Z,  -0.30, -10.54,  99.90, -10.83,   0.01,
05/22 14Z,  -0.40,  -8.04,  99.90,  -8.43,   0.01,
05/22 15Z,  -0.50,  -6.78,  99.90,  -7.27,   0.01,  (max)
05/22 16Z,  -0.40,  -7.18,  99.90,  -7.57,   0.01,
05/22 17Z,  -0.40,  -9.23,  99.90,  -9.62,   0.01,
05/22 18Z,  -0.40, -12.54,  99.90, -12.93,   0.01,