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 : 10/11/2026 06:22:44 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 12Z,  -0.40,  -7.92,  -8.48,  99.90,  -0.16,
10/09 13Z,  -0.40, -12.47, -13.04,  99.90,  -0.17,
10/09 14Z,  -0.40, -17.52, -18.11,  99.90,  -0.19,
10/09 15Z,  -0.50, -21.57, -22.50,  99.90,  -0.43,
10/09 16Z,  -0.50, -23.38, -24.54,  99.90,  -0.66,  (min)
10/09 17Z,  -0.60, -22.54, -23.61,  99.90,  -0.47,
10/09 18Z,  -0.60, -19.38, -20.21,  99.90,  -0.23,
10/09 19Z,  -0.60, -14.67, -15.59,  99.90,  -0.32,
10/09 20Z,  -0.50,  -9.57, -10.50,  99.90,  -0.43,
10/09 21Z,  -0.50,  -5.40,  -6.07,  99.90,  -0.17,
10/09 22Z,  -0.40,  -3.16,  -3.63,  99.90,  -0.07,  (max)
10/09 23Z,  -0.40,  -3.34,  -3.86,  99.90,  -0.12,
10/10 00Z,  -0.40,  -5.94,  -6.54,  99.90,  -0.20,
10/10 01Z,  -0.40, -10.48, -11.11,  99.90,  -0.23,
10/10 02Z,  -0.50, -16.01, -16.58,  99.90,  -0.07,
10/10 03Z,  -0.50, -21.08, -21.69,  99.90,  -0.11,
10/10 04Z,  -0.50, -24.17, -25.11,  99.90,  -0.44,
10/10 05Z,  -0.50, -24.48, -25.35,  99.90,  -0.37,  (min)
10/10 06Z,  -0.50, -22.15, -22.73,  99.90,  -0.08,
10/10 07Z,  -0.50, -17.82, -18.51,  99.90,  -0.19,
10/10 08Z,  -0.40, -12.57, -13.32,  99.90,  -0.35,
10/10 09Z,  -0.30,  -7.76,  -8.15,  99.90,  -0.09,
10/10 10Z,  -0.20,  -4.56,  -4.80,  99.90,  -0.04,
10/10 11Z,  -0.20,  -3.67,  -3.88,  99.90,  -0.01,  (max)
10/10 12Z,  -0.40,  -5.26,  -5.39,  99.90,   0.27,
10/10 13Z,  -0.40,  -8.99,  -9.21,  99.90,   0.18,
10/10 14Z,  -0.40, -14.00, -14.36,  99.90,   0.04,
10/10 15Z,  -0.40, -19.00, -19.56,  99.90,  -0.16,
10/10 16Z,  -0.40, -22.41, -23.33,  99.90,  -0.52,
10/10 17Z,  -0.40, -23.15, -24.15,  99.90,  -0.60,  (min)
10/10 18Z,  -0.60, -21.16, -21.84,  99.90,  -0.08,
10/10 19Z,  -0.60, -17.08, -17.49,  99.90,   0.19,
10/10 20Z,  -0.50, -11.93, -12.39,  99.90,   0.04,
10/10 21Z,  -0.40,  -7.01,  -7.32,  99.90,   0.09,
10/10 22Z,  -0.30,  -3.58,  -3.69,  99.90,   0.19,
10/10 23Z,  -0.30,  -2.45,  -2.42,  99.90,   0.33,  (max)
10/11 00Z,  -0.40,  -3.88,  -3.87,  99.90,   0.41,
10/11 01Z,  -0.40,  -7.63,  -7.70,  99.90,   0.33,
10/11 02Z,  -0.40, -12.97, -12.97,  99.90,   0.40,
10/11 03Z,  -0.30, -18.73, -18.62,  99.90,   0.41,
10/11 04Z,  -0.10, -23.36, -23.47,  99.90,  -0.01,
10/11 05Z,   0.00, -25.48, -25.71,  99.90,  -0.23,  (min)
10/11 06Z,   0.00, -24.63, -24.67,  99.90,  -0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 07Z,   0.00, -21.26,  99.90, -21.31,  -0.05,
10/11 08Z,   0.00, -16.27,  99.90, -16.33,  -0.07,
10/11 09Z,  -0.10, -10.86,  99.90, -11.04,  -0.08,
10/11 10Z,  -0.30,  -6.40,  99.90,  -6.79,  -0.10,
10/11 11Z,  -0.30,  -3.91,  99.90,  -4.32,  -0.11,
10/11 12Z,  -0.20,  -3.91,  99.90,  -4.23,  -0.12,  (max)
10/11 13Z,  -0.10,  -6.34,  99.90,  -6.58,  -0.14,
10/11 14Z,   0.00, -10.63,  99.90, -10.78,  -0.15,
10/11 15Z,   0.00, -15.72,  99.90, -15.88,  -0.17,
10/11 16Z,   0.00, -20.17,  99.90, -20.35,  -0.18,
10/11 17Z,   0.00, -22.51,  99.90, -22.70,  -0.19,  (min)
10/11 18Z,   0.00, -21.99,  99.90, -22.20,  -0.21,
10/11 19Z,   0.00, -18.95,  99.90, -19.15,  -0.21,
10/11 20Z,   0.00, -14.30,  99.90, -14.51,  -0.21,
10/11 21Z,   0.00,  -9.21,  99.90,  -9.42,  -0.21,
10/11 22Z,  -0.10,  -4.97,  99.90,  -5.27,  -0.21,
10/11 23Z,  -0.10,  -2.66,  99.90,  -2.96,  -0.21,  (max)
10/12 00Z,  -0.10,  -2.82,  99.90,  -3.12,  -0.21,
10/12 01Z,   0.00,  -5.46,  99.90,  -5.67,  -0.21,
10/12 02Z,   0.00, -10.08,  99.90, -10.28,  -0.21,
10/12 03Z,  -0.10, -15.74,  99.90, -16.04,  -0.21,
10/12 04Z,  -0.10, -21.14,  99.90, -21.45,  -0.21,
10/12 05Z,  -0.20, -24.81,  99.90, -25.22,  -0.21,
10/12 06Z,  -0.20, -25.66,  99.90, -26.07,  -0.21,  (min)
10/12 07Z,  -0.20, -23.65,  99.90, -24.06,  -0.21,
10/12 08Z,  -0.10, -19.53,  99.90, -19.83,  -0.21,
10/12 09Z,  -0.10, -14.31,  99.90, -14.62,  -0.21,
10/12 10Z,   0.00,  -9.24,  99.90,  -9.45,  -0.21,
10/12 11Z,   0.00,  -5.52,  99.90,  -5.73,  -0.21,
10/12 12Z,   0.00,  -3.99,  99.90,  -4.20,  -0.21,  (max)
10/12 13Z,  -0.10,  -4.91,  99.90,  -5.22,  -0.21,
10/12 14Z,  -0.20,  -8.01,  99.90,  -8.42,  -0.21,
10/12 15Z,  -0.20, -12.49,  99.90, -12.90,  -0.21,
10/12 16Z,  -0.30, -17.18,  99.90, -17.69,  -0.21,
10/12 17Z,  -0.30, -20.66,  99.90, -21.17,  -0.21,
10/12 18Z,  -0.20, -21.71,  99.90, -22.11,  -0.21,  (min)
10/12 19Z,  -0.10, -20.01,  99.90, -20.31,  -0.21,
10/12 20Z,   0.00, -16.26,  99.90, -16.47,  -0.21,
10/12 21Z,   0.00, -11.55,  99.90, -11.76,  -0.21,
10/12 22Z,   0.10,  -7.02,  99.90,  -7.13,  -0.21,
10/12 23Z,   0.00,  -3.84,  99.90,  -4.05,  -0.21,
10/13 00Z,   0.00,  -2.82,  99.90,  -3.03,  -0.21,  (max)
10/13 01Z,  -0.10,  -4.23,  99.90,  -4.54,  -0.21,
10/13 02Z,  -0.20,  -7.81,  99.90,  -8.22,  -0.21,
10/13 03Z,  -0.20, -12.82,  99.90, -13.23,  -0.21,
10/13 04Z,  -0.20, -18.23,  99.90, -18.63,  -0.21,
10/13 05Z,  -0.10, -22.75,  99.90, -23.06,  -0.21,
10/13 06Z,   0.00, -25.13,  99.90, -25.34,  -0.21,  (min)
10/13 07Z,   0.00, -24.70,  99.90, -24.91,  -0.21,
10/13 08Z,   0.10, -21.81,  99.90, -21.92,  -0.21,
10/13 09Z,   0.10, -17.39,  99.90, -17.50,  -0.21,
10/13 10Z,   0.10, -12.46,  99.90, -12.56,  -0.21,
10/13 11Z,   0.00,  -8.12,  99.90,  -8.32,  -0.21,
10/13 12Z,   0.00,  -5.39,  99.90,  -5.59,  -0.21,
10/13 13Z,   0.00,  -4.84,  99.90,  -5.05,  -0.21,  (max)
10/13 14Z,   0.00,  -6.52,  99.90,  -6.73,  -0.21,
10/13 15Z,  -0.10,  -9.94,  99.90, -10.24,  -0.21,
10/13 16Z,  -0.10, -14.16,  99.90, -14.47,  -0.21,
10/13 17Z,  -0.10, -18.03,  99.90, -18.33,  -0.21,
10/13 18Z,  -0.10, -20.29,  99.90, -20.59,  -0.21,  (min)
10/13 19Z,   0.00, -20.08,  99.90, -20.29,  -0.21,
10/13 20Z,   0.00, -17.54,  99.90, -17.75,  -0.21,
10/13 21Z,   0.00, -13.59,  99.90, -13.80,  -0.21,
10/13 22Z,   0.00,  -9.32,  99.90,  -9.53,  -0.21,
10/13 23Z,   0.00,  -5.74,  99.90,  -5.95,  -0.21,
10/14 00Z,   0.00,  -3.80,  99.90,  -4.00,  -0.21,  (max)
10/14 01Z,  -0.10,  -4.02,  99.90,  -4.33,  -0.21,
10/14 02Z,  -0.20,  -6.40,  99.90,  -6.81,  -0.21,
10/14 03Z,  -0.20, -10.45,  99.90, -10.86,  -0.21,
10/14 04Z,  -0.20, -15.31,  99.90, -15.72,  -0.21,
10/14 05Z,  -0.10, -19.94,  99.90, -20.25,  -0.21,
10/14 06Z,   0.00, -23.26,  99.90, -23.46,  -0.21,
10/14 07Z,   0.00, -24.32,  99.90, -24.52,  -0.21,  (min)
10/14 08Z,   0.20, -22.88,  99.90, -22.89,  -0.21,
10/14 09Z,   0.20, -19.59,  99.90, -19.60,  -0.21,
10/14 10Z,   0.20, -15.38,  99.90, -15.39,  -0.21,
10/14 11Z,   0.10, -11.13,  99.90, -11.24,  -0.21,
10/14 12Z,   0.10,  -7.76,  99.90,  -7.86,  -0.21,
10/14 13Z,   0.00,  -6.04,  99.90,  -6.25,  -0.21,  (max)
10/14 14Z,   0.00,  -6.31,  99.90,  -6.52,  -0.21,
10/14 15Z,   0.00,  -8.41,  99.90,  -8.62,  -0.21,
10/14 16Z,   0.00, -11.71,  99.90, -11.91,  -0.21,
10/14 17Z,   0.00, -15.26,  99.90, -15.47,  -0.21,
10/14 18Z,   0.00, -18.05,  99.90, -18.26,  -0.21,
10/14 19Z,   0.00, -19.11,  99.90, -19.31,  -0.21,  (min)
10/14 20Z,   0.10, -17.96,  99.90, -18.07,  -0.21,
10/14 21Z,   0.20, -15.07,  99.90, -15.07,  -0.21,
10/14 22Z,   0.20, -11.43,  99.90, -11.43,  -0.21,
10/14 23Z,   0.00,  -7.97,  99.90,  -8.18,  -0.21,
10/15 00Z,   0.00,  -5.51,  99.90,  -5.72,  -0.21,