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
#Elfin Cove, AK : 09/08/2026 18:23:30 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/07 00Z,  -0.20,  -8.67, -10.17,  99.90,  -1.30,  (min)
09/07 01Z,  -0.30,  -7.99,  -9.50,  99.90,  -1.21,
09/07 02Z,  -0.30,  -6.83,  -8.32,  99.90,  -1.19,
09/07 03Z,  -0.30,  -5.45,  -6.94,  99.90,  -1.19,
09/07 04Z,  -0.30,  -4.19,  -5.71,  99.90,  -1.22,
09/07 05Z,  -0.30,  -3.41,  -4.87,  99.90,  -1.16,
09/07 06Z,  -0.20,  -3.43,  -4.87,  99.90,  -1.24,  (max)
09/07 07Z,  -0.20,  -4.39,  -5.82,  99.90,  -1.23,
09/07 08Z,  -0.20,  -6.14,  -7.54,  99.90,  -1.20,
09/07 09Z,  -0.20,  -8.32,  -9.70,  99.90,  -1.18,
09/07 10Z,  -0.30, -10.57, -11.91,  99.90,  -1.04,
09/07 11Z,  -0.30, -12.46, -13.87,  99.90,  -1.11,
09/07 12Z,  -0.20, -13.61, -15.00,  99.90,  -1.19,
09/07 13Z,  -0.30, -13.80, -15.20,  99.90,  -1.10,  (min)
09/07 14Z,  -0.30, -13.01, -14.45,  99.90,  -1.14,
09/07 15Z,  -0.30, -11.47, -12.90,  99.90,  -1.13,
09/07 16Z,  -0.30,  -9.51, -10.95,  99.90,  -1.14,
09/07 17Z,  -0.20,  -7.54,  -9.02,  99.90,  -1.28,
09/07 18Z,  -0.20,  -5.99,  -7.48,  99.90,  -1.29,
09/07 19Z,  -0.30,  -5.22,  -6.72,  99.90,  -1.20,  (max)
09/07 20Z,  -0.30,  -5.32,  -6.77,  99.90,  -1.15,
09/07 21Z,  -0.30,  -6.11,  -7.58,  99.90,  -1.17,
09/07 22Z,  -0.20,  -7.31,  -8.78,  99.90,  -1.27,
09/07 23Z,  -0.20,  -8.56, -10.03,  99.90,  -1.27,
09/08 00Z,  -0.20,  -9.44, -10.97,  99.90,  -1.33,
09/08 01Z,  -0.30,  -9.63, -11.16,  99.90,  -1.23,  (min)
09/08 02Z,  -0.30,  -9.00, -10.52,  99.90,  -1.22,
09/08 03Z,  -0.20,  -7.67,  -9.18,  99.90,  -1.31,
09/08 04Z,  -0.20,  -5.95,  -7.47,  99.90,  -1.32,
09/08 05Z,  -0.20,  -4.25,  -5.77,  99.90,  -1.32,
09/08 06Z,  -0.20,  -3.07,  -4.47,  99.90,  -1.20,
09/08 07Z,  -0.20,  -2.84,  -4.19,  99.90,  -1.15,  (max)
09/08 08Z,  -0.20,  -3.74,  -5.05,  99.90,  -1.11,
09/08 09Z,  -0.30,  -5.63,  -6.97,  99.90,  -1.04,
09/08 10Z,  -0.30,  -8.12,  -9.51,  99.90,  -1.09,
09/08 11Z,  -0.30, -10.74, -12.18,  99.90,  -1.14,
09/08 12Z,  -0.20, -12.93, -14.36,  99.90,  -1.23,
09/08 13Z,  -0.20, -14.22, -15.70,  99.90,  -1.28,
09/08 14Z,  -0.30, -14.35, -15.86,  99.90,  -1.21,  (min)
09/08 15Z,  -0.30, -13.31, -14.80,  99.90,  -1.19,
09/08 16Z,  -0.20, -11.36, -12.80,  99.90,  -1.24,
09/08 17Z,  -0.20,  -8.95, -10.38,  99.90,  -1.23,
09/08 18Z,  -0.20,  -6.60,  -8.04,  99.90,  -1.24,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/08 19Z,  -0.20,  -4.86,  99.90,  -6.29,  -1.23,
09/08 20Z,  -0.10,  -4.15,  99.90,  -5.47,  -1.21,  (max)
09/08 21Z,   0.00,  -4.55,  99.90,  -5.74,  -1.20,
09/08 22Z,   0.00,  -5.82,  99.90,  -7.01,  -1.18,
09/08 23Z,   0.00,  -7.59,  99.90,  -8.76,  -1.17,
09/09 00Z,   0.00,  -9.33,  99.90, -10.49,  -1.15,
09/09 01Z,   0.00, -10.52,  99.90, -11.66,  -1.14,
09/09 02Z,   0.00, -10.78,  99.90, -11.90,  -1.12,  (min)
09/09 03Z,   0.00,  -9.98,  99.90, -11.09,  -1.11,
09/09 04Z,   0.00,  -8.30,  99.90,  -9.39,  -1.09,
09/09 05Z,   0.00,  -6.13,  99.90,  -7.21,  -1.08,
09/09 06Z,   0.00,  -4.03,  99.90,  -5.09,  -1.06,
09/09 07Z,   0.00,  -2.58,  99.90,  -3.64,  -1.06,
09/09 08Z,   0.00,  -2.28,  99.90,  -3.35,  -1.06,  (max)
09/09 09Z,   0.00,  -3.33,  99.90,  -4.39,  -1.06,
09/09 10Z,   0.00,  -5.52,  99.90,  -6.58,  -1.06,
09/09 11Z,   0.00,  -8.37,  99.90,  -9.43,  -1.06,
09/09 12Z,   0.00, -11.26,  99.90, -12.32,  -1.06,
09/09 13Z,   0.00, -13.55,  99.90, -14.61,  -1.06,
09/09 14Z,   0.00, -14.72,  99.90, -15.79,  -1.06,  (min)
09/09 15Z,   0.00, -14.53,  99.90, -15.60,  -1.06,
09/09 16Z,  -0.10, -13.05,  99.90, -14.21,  -1.06,
09/09 17Z,  -0.10, -10.62,  99.90, -11.78,  -1.06,
09/09 18Z,  -0.10,  -7.81,  99.90,  -8.97,  -1.06,
09/09 19Z,  -0.10,  -5.27,  99.90,  -6.43,  -1.06,
09/09 20Z,  -0.20,  -3.61,  99.90,  -4.87,  -1.06,
09/09 21Z,  -0.30,  -3.25,  99.90,  -4.61,  -1.06,  (max)
09/09 22Z,  -0.20,  -4.19,  99.90,  -5.45,  -1.06,
09/09 23Z,  -0.20,  -6.08,  99.90,  -7.35,  -1.06,
09/10 00Z,  -0.20,  -8.40,  99.90,  -9.66,  -1.06,
09/10 01Z,  -0.30, -10.48,  99.90, -11.84,  -1.06,
09/10 02Z,  -0.30, -11.75,  99.90, -13.11,  -1.06,
09/10 03Z,  -0.40, -11.84,  99.90, -13.30,  -1.06,  (min)
09/10 04Z,  -0.40, -10.70,  99.90, -12.16,  -1.06,
09/10 05Z,  -0.40,  -8.58,  99.90, -10.04,  -1.06,
09/10 06Z,  -0.50,  -6.00,  99.90,  -7.56,  -1.06,
09/10 07Z,  -0.40,  -3.63,  99.90,  -5.09,  -1.06,
09/10 08Z,  -0.50,  -2.12,  99.90,  -3.68,  -1.06,
09/10 09Z,  -0.50,  -1.99,  99.90,  -3.55,  -1.06,  (max)
09/10 10Z,  -0.50,  -3.36,  99.90,  -4.92,  -1.06,
09/10 11Z,  -0.50,  -5.90,  99.90,  -7.46,  -1.06,
09/10 12Z,  -0.50,  -9.01,  99.90, -10.57,  -1.06,
09/10 13Z,  -0.50, -11.97,  99.90, -13.53,  -1.06,
09/10 14Z,  -0.50, -14.08,  99.90, -15.64,  -1.06,
09/10 15Z,  -0.50, -14.88,  99.90, -16.44,  -1.06,  (min)
09/10 16Z,  -0.60, -14.17,  99.90, -15.84,  -1.06,
09/10 17Z,  -0.60, -12.15,  99.90, -13.81,  -1.06,
09/10 18Z,  -0.70,  -9.30,  99.90, -11.06,  -1.06,
09/10 19Z,  -0.70,  -6.29,  99.90,  -8.05,  -1.06,
09/10 20Z,  -0.70,  -3.82,  99.90,  -5.59,  -1.06,
09/10 21Z,  -0.70,  -2.55,  99.90,  -4.31,  -1.06,  (max)
09/10 22Z,  -0.60,  -2.78,  99.90,  -4.45,  -1.06,
09/10 23Z,  -0.60,  -4.40,  99.90,  -6.06,  -1.06,
09/11 00Z,  -0.60,  -6.89,  99.90,  -8.55,  -1.06,
09/11 01Z,  -0.60,  -9.57,  99.90, -11.23,  -1.06,
09/11 02Z,  -0.60, -11.75,  99.90, -13.41,  -1.06,
09/11 03Z,  -0.60, -12.86,  99.90, -14.52,  -1.06,  (min)
09/11 04Z,  -0.70, -12.60,  99.90, -14.36,  -1.06,
09/11 05Z,  -0.70, -11.00,  99.90, -12.76,  -1.06,
09/11 06Z,  -0.70,  -8.47,  99.90, -10.24,  -1.06,
09/11 07Z,  -0.80,  -5.64,  99.90,  -7.50,  -1.06,
09/11 08Z,  -0.80,  -3.22,  99.90,  -5.08,  -1.06,
09/11 09Z,  -0.90,  -1.89,  99.90,  -3.85,  -1.06,  (max)
09/11 10Z,  -0.90,  -2.12,  99.90,  -4.08,  -1.06,
09/11 11Z,  -0.90,  -3.87,  99.90,  -5.84,  -1.06,
09/11 12Z,  -0.90,  -6.69,  99.90,  -8.65,  -1.06,
09/11 13Z,  -0.90,  -9.85,  99.90, -11.81,  -1.06,
09/11 14Z,  -0.90, -12.60,  99.90, -14.56,  -1.06,
09/11 15Z,  -0.90, -14.29,  99.90, -16.25,  -1.06,
09/11 16Z,  -0.90, -14.51,  99.90, -16.47,  -1.06,  (min)
09/11 17Z,  -0.90, -13.21,  99.90, -15.17,  -1.06,
09/11 18Z,  -0.90, -10.71,  99.90, -12.68,  -1.06,
09/11 19Z,  -0.80,  -7.63,  99.90,  -9.49,  -1.06,
09/11 20Z,  -0.90,  -4.68,  99.90,  -6.64,  -1.06,
09/11 21Z,  -0.90,  -2.60,  99.90,  -4.56,  -1.06,
09/11 22Z,  -0.80,  -1.96,  99.90,  -3.82,  -1.06,  (max)
09/11 23Z,  -0.80,  -2.93,  99.90,  -4.79,  -1.06,
09/12 00Z,  -0.80,  -5.19,  99.90,  -7.05,  -1.06,
09/12 01Z,  -0.80,  -8.09,  99.90,  -9.95,  -1.06,
09/12 02Z,  -0.70, -10.89,  99.90, -12.65,  -1.06,
09/12 03Z,  -0.70, -12.91,  99.90, -14.67,  -1.06,
09/12 04Z,  -0.70, -13.64,  99.90, -15.40,  -1.06,  (min)
09/12 05Z,  -0.70, -12.90,  99.90, -14.66,  -1.06,
09/12 06Z,  -0.70, -10.87,  99.90, -12.63,  -1.06,
09/12 07Z,  -0.70,  -8.07,  99.90,  -9.83,  -1.06,
09/12 08Z,  -0.70,  -5.19,  99.90,  -6.95,  -1.06,
09/12 09Z,  -0.60,  -2.96,  99.90,  -4.63,  -1.06,
09/12 10Z,  -0.60,  -2.03,  99.90,  -3.69,  -1.06,  (max)
09/12 11Z,  -0.60,  -2.71,  99.90,  -4.38,  -1.06,
09/12 12Z,  -0.50,  -4.80,  99.90,  -6.36,  -1.06,