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
#Nikiski, AK : 09/05/2026 22:22:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/04 06Z,  -0.10,  -5.94,  -6.52,  99.90,  -0.48,  (max)
09/04 07Z,  -0.10,  -7.61,  -8.14,  99.90,  -0.43,
09/04 08Z,  -0.10, -10.61, -11.25,  99.90,  -0.54,
09/04 09Z,  -0.10, -14.45, -14.82,  99.90,  -0.27,
09/04 10Z,  -0.10, -18.18, -18.36,  99.90,  -0.08,
09/04 11Z,   0.00, -21.01, -21.74,  99.90,  -0.73,
09/04 12Z,   0.00, -22.78, -24.17,  99.90,  -1.39,
09/04 13Z,   0.00, -23.30, -24.73,  99.90,  -1.43,  (min)
09/04 14Z,  -0.10, -21.90, -22.71,  99.90,  -0.71,
09/04 15Z,  -0.10, -18.72, -19.45,  99.90,  -0.63,
09/04 16Z,  -0.20, -15.23, -16.24,  99.90,  -0.81,
09/04 17Z,  -0.20, -12.50, -13.26,  99.90,  -0.56,
09/04 18Z,  -0.10, -10.60, -11.08,  99.90,  -0.38,
09/04 19Z,  -0.20,  -9.62,  -9.99,  99.90,  -0.17,  (max)
09/04 20Z,  -0.20,  -9.97, -10.25,  99.90,  -0.08,
09/04 21Z,  -0.30, -11.62, -11.76,  99.90,   0.16,
09/04 22Z,  -0.30, -13.87, -13.91,  99.90,   0.26,
09/04 23Z,  -0.30, -15.74, -15.91,  99.90,   0.13,
09/05 00Z,  -0.20, -16.81, -17.18,  99.90,  -0.17,
09/05 01Z,  -0.20, -17.06, -17.29,  99.90,  -0.03,  (min)
09/05 02Z,  -0.20, -16.04, -15.92,  99.90,   0.32,
09/05 03Z,  -0.30, -13.45, -13.88,  99.90,  -0.13,
09/05 04Z,  -0.30, -10.35, -11.68,  99.90,  -1.03,
09/05 05Z,  -0.30,  -8.17,  -9.68,  99.90,  -1.21,
09/05 06Z,  -0.20,  -7.20,  -8.22,  99.90,  -0.82,
09/05 07Z,  -0.20,  -7.20,  -7.79,  99.90,  -0.39,  (max)
09/05 08Z,  -0.20,  -8.32,  -8.74,  99.90,  -0.22,
09/05 09Z,  -0.20, -10.66, -11.01,  99.90,  -0.15,
09/05 10Z,  -0.20, -13.80, -13.96,  99.90,   0.04,
09/05 11Z,  -0.20, -16.95, -17.09,  99.90,   0.06,
09/05 12Z,  -0.10, -19.58, -20.17,  99.90,  -0.49,
09/05 13Z,   0.00, -21.69, -22.70,  99.90,  -1.01,
09/05 14Z,   0.00, -22.91, -23.90,  99.90,  -0.99,  (min)
09/05 15Z,   0.00, -22.31, -23.27,  99.90,  -0.96,
09/05 16Z,   0.10, -19.91, -20.96,  99.90,  -1.15,
09/05 17Z,   0.10, -16.96, -17.94,  99.90,  -1.08,
09/05 18Z,   0.20, -14.22, -14.91,  99.90,  -0.89,
09/05 19Z,   0.30, -11.80, -12.28,  99.90,  -0.78,
09/05 20Z,   0.40, -10.08, -10.50,  99.90,  -0.82,
09/05 21Z,   0.50,  -9.67,  -9.73,  99.90,  -0.56,  (max)
09/05 22Z,   0.50, -10.61, -10.29,  99.90,  -0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/05 23Z,   0.50, -12.29,  99.90, -12.00,  -0.20,
09/06 00Z,   0.50, -13.94,  99.90, -13.67,  -0.23,
09/06 01Z,   0.50, -15.31,  99.90, -15.06,  -0.26,
09/06 02Z,   0.50, -16.31,  99.90, -16.09,  -0.28,  (min)
09/06 03Z,   0.50, -16.17,  99.90, -15.97,  -0.31,
09/06 04Z,   0.40, -14.40,  99.90, -14.34,  -0.33,
09/06 05Z,   0.40, -11.94,  99.90, -11.90,  -0.36,
09/06 06Z,   0.40,  -9.93,  99.90,  -9.91,  -0.39,
09/06 07Z,   0.40,  -8.53,  99.90,  -8.54,  -0.41,
09/06 08Z,   0.30,  -7.79,  99.90,  -7.92,  -0.44,  (max)
09/06 09Z,   0.20,  -8.12,  99.90,  -8.38,  -0.46,
09/06 10Z,   0.20,  -9.78,  99.90, -10.07,  -0.49,
09/06 11Z,   0.20, -12.44,  99.90, -12.73,  -0.49,
09/06 12Z,   0.10, -15.42,  99.90, -15.81,  -0.49,
09/06 13Z,   0.10, -18.36,  99.90, -18.75,  -0.49,
09/06 14Z,   0.00, -21.24,  99.90, -21.72,  -0.49,
09/06 15Z,   0.00, -23.34,  99.90, -23.83,  -0.49,
09/06 16Z,   0.00, -23.45,  99.90, -23.94,  -0.49,  (min)
09/06 17Z,   0.00, -21.50,  99.90, -21.99,  -0.49,
09/06 18Z,  -0.10, -18.57,  99.90, -19.16,  -0.49,
09/06 19Z,  -0.10, -15.33,  99.90, -15.92,  -0.49,
09/06 20Z,  -0.10, -12.08,  99.90, -12.67,  -0.49,
09/06 21Z,  -0.20,  -9.54,  99.90, -10.23,  -0.49,
09/06 22Z,  -0.20,  -8.52,  99.90,  -9.21,  -0.49,  (max)
09/06 23Z,  -0.20,  -9.10,  99.90,  -9.79,  -0.49,
09/07 00Z,  -0.20, -10.71,  99.90, -11.39,  -0.49,
09/07 01Z,  -0.20, -12.67,  99.90, -13.36,  -0.49,
09/07 02Z,  -0.20, -14.83,  99.90, -15.52,  -0.49,
09/07 03Z,  -0.30, -16.82,  99.90, -17.61,  -0.49,
09/07 04Z,  -0.30, -17.49,  99.90, -18.28,  -0.49,  (min)
09/07 05Z,  -0.30, -16.22,  99.90, -17.01,  -0.49,
09/07 06Z,  -0.30, -13.86,  99.90, -14.65,  -0.49,
09/07 07Z,  -0.30, -11.42,  99.90, -12.21,  -0.49,
09/07 08Z,  -0.30,  -9.16,  99.90,  -9.95,  -0.49,
09/07 09Z,  -0.30,  -7.48,  99.90,  -8.27,  -0.49,
09/07 10Z,  -0.30,  -7.10,  99.90,  -7.89,  -0.49,  (max)
09/07 11Z,  -0.30,  -8.36,  99.90,  -9.15,  -0.49,
09/07 12Z,  -0.20, -10.94,  99.90, -11.62,  -0.49,
09/07 13Z,  -0.20, -14.21,  99.90, -14.89,  -0.49,
09/07 14Z,  -0.20, -17.85,  99.90, -18.54,  -0.49,
09/07 15Z,  -0.20, -21.67,  99.90, -22.36,  -0.49,
09/07 16Z,  -0.20, -24.52,  99.90, -25.21,  -0.49,
09/07 17Z,  -0.20, -24.95,  99.90, -25.64,  -0.49,  (min)
09/07 18Z,  -0.20, -22.91,  99.90, -23.60,  -0.49,
09/07 19Z,  -0.20, -19.48,  99.90, -20.17,  -0.49,
09/07 20Z,  -0.20, -15.39,  99.90, -16.07,  -0.49,
09/07 21Z,  -0.20, -11.23,  99.90, -11.92,  -0.49,
09/07 22Z,  -0.20,  -8.10,  99.90,  -8.79,  -0.49,
09/07 23Z,  -0.20,  -6.87,  99.90,  -7.56,  -0.49,  (max)
09/08 00Z,  -0.20,  -7.60,  99.90,  -8.29,  -0.49,
09/08 01Z,  -0.10,  -9.64,  99.90, -10.23,  -0.49,
09/08 02Z,  -0.10, -12.38,  99.90, -12.97,  -0.49,
09/08 03Z,  -0.10, -15.56,  99.90, -16.15,  -0.49,
09/08 04Z,  -0.10, -18.47,  99.90, -19.06,  -0.49,
09/08 05Z,  -0.10, -19.61,  99.90, -20.20,  -0.49,  (min)
09/08 06Z,  -0.10, -18.31,  99.90, -18.90,  -0.49,
09/08 07Z,  -0.10, -15.49,  99.90, -16.08,  -0.49,
09/08 08Z,  -0.10, -12.18,  99.90, -12.77,  -0.49,
09/08 09Z,   0.00,  -8.88,  99.90,  -9.37,  -0.49,
09/08 10Z,   0.00,  -6.39,  99.90,  -6.87,  -0.49,
09/08 11Z,   0.00,  -5.63,  99.90,  -6.12,  -0.49,  (max)
09/08 12Z,   0.10,  -6.93,  99.90,  -7.32,  -0.49,
09/08 13Z,   0.10,  -9.87,  99.90, -10.26,  -0.49,
09/08 14Z,   0.10, -13.78,  99.90, -14.17,  -0.49,
09/08 15Z,   0.20, -18.29,  99.90, -18.57,  -0.49,
09/08 16Z,   0.20, -22.90,  99.90, -23.19,  -0.49,
09/08 17Z,   0.20, -26.07,  99.90, -26.36,  -0.49,
09/08 18Z,   0.30, -26.25,  99.90, -26.43,  -0.49,  (min)
09/08 19Z,   0.30, -23.57,  99.90, -23.76,  -0.49,
09/08 20Z,   0.40, -19.25,  99.90, -19.34,  -0.49,
09/08 21Z,   0.40, -14.20,  99.90, -14.29,  -0.49,
09/08 22Z,   0.50,  -9.39,  99.90,  -9.38,  -0.49,
09/08 23Z,   0.50,  -6.13,  99.90,  -6.12,  -0.49,
09/09 00Z,   0.60,  -5.24,  99.90,  -5.13,  -0.49,  (max)
09/09 01Z,   0.60,  -6.62,  99.90,  -6.51,  -0.49,
09/09 02Z,   0.60,  -9.50,  99.90,  -9.38,  -0.49,
09/09 03Z,   0.60, -13.22,  99.90, -13.10,  -0.49,
09/09 04Z,   0.60, -17.37,  99.90, -17.26,  -0.49,
09/09 05Z,   0.50, -20.86,  99.90, -20.85,  -0.49,
09/09 06Z,   0.50, -21.93,  99.90, -21.92,  -0.49,  (min)
09/09 07Z,   0.40, -20.05,  99.90, -20.14,  -0.49,
09/09 08Z,   0.40, -16.34,  99.90, -16.43,  -0.49,
09/09 09Z,   0.40, -11.98,  99.90, -12.06,  -0.49,
09/09 10Z,   0.30,  -7.79,  99.90,  -7.98,  -0.49,
09/09 11Z,   0.30,  -4.89,  99.90,  -5.08,  -0.49,
09/09 12Z,   0.30,  -4.25,  99.90,  -4.43,  -0.49,
09/09 13Z,  99.90,  -6.03,  99.90,  99.90,  -0.49,
09/09 14Z,  99.90,  -9.65,  99.90,  99.90,  -0.49,
09/09 15Z,  99.90, -14.32,  99.90,  99.90,  -0.49,
09/09 16Z,  99.90, -19.56,  99.90,  99.90,  -0.49,
09/09 17Z,  99.90, -24.56,  99.90,  99.90,  -0.49,
09/09 18Z,  99.90, -27.45,  99.90,  99.90,  -0.49,