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
#Adak Island, AK : 09/08/2026 08:22:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/06 12Z,  -0.30,   2.14,   2.32,  99.90,   0.48,
09/06 13Z,  -0.30,   1.14,   1.32,  99.90,   0.48,
09/06 14Z,  -0.30,   0.19,   0.40,  99.90,   0.51,
09/06 15Z,  -0.30,  -0.56,  -0.28,  99.90,   0.58,
09/06 16Z,  -0.30,  -1.02,  -0.83,  99.90,   0.49,  (min)
09/06 17Z,  -0.30,  -1.13,  -0.75,  99.90,   0.68,
09/06 18Z,  -0.30,  -0.90,  -0.56,  99.90,   0.64,
09/06 19Z,  -0.30,  -0.40,  -0.16,  99.90,   0.54,
09/06 20Z,  -0.20,   0.27,   0.56,  99.90,   0.49,
09/06 21Z,  -0.20,   0.99,   1.36,  99.90,   0.57,
09/06 22Z,  -0.10,   1.64,   2.03,  99.90,   0.49,
09/06 23Z,   0.00,   2.18,   2.68,  99.90,   0.50,
09/07 00Z,   0.00,   2.56,   3.11,  99.90,   0.55,
09/07 01Z,   0.00,   2.81,   3.38,  99.90,   0.57,
09/07 02Z,   0.00,   2.98,   3.59,  99.90,   0.61,
09/07 03Z,   0.10,   3.12,   3.75,  99.90,   0.53,
09/07 04Z,   0.20,   3.30,   3.92,  99.90,   0.42,
09/07 05Z,   0.20,   3.54,   4.24,  99.90,   0.50,
09/07 06Z,   0.20,   3.83,   4.47,  99.90,   0.44,
09/07 07Z,   0.30,   4.12,   4.71,  99.90,   0.29,
09/07 08Z,   0.30,   4.34,   4.91,  99.90,   0.27,
09/07 09Z,   0.30,   4.39,   4.91,  99.90,   0.22,  (max)
09/07 10Z,   0.20,   4.20,   4.67,  99.90,   0.27,
09/07 11Z,   0.10,   3.73,   4.17,  99.90,   0.34,
09/07 12Z,   0.00,   3.01,   3.40,  99.90,   0.39,
09/07 13Z,   0.00,   2.10,   2.41,  99.90,   0.31,
09/07 14Z,   0.00,   1.12,   1.43,  99.90,   0.31,
09/07 15Z,   0.00,   0.21,   0.47,  99.90,   0.26,
09/07 16Z,  -0.10,  -0.50,  -0.29,  99.90,   0.31,
09/07 17Z,  -0.10,  -0.91,  -0.77,  99.90,   0.24,
09/07 18Z,  -0.10,  -0.97,  -0.92,  99.90,   0.15,  (min)
09/07 19Z,  -0.20,  -0.72,  -0.77,  99.90,   0.15,
09/07 20Z,  -0.20,  -0.21,  -0.31,  99.90,   0.10,
09/07 21Z,  -0.20,   0.44,   0.46,  99.90,   0.22,
09/07 22Z,  -0.30,   1.11,   1.02,  99.90,   0.21,
09/07 23Z,  -0.30,   1.73,   1.69,  99.90,   0.26,
09/08 00Z,  -0.40,   2.21,   2.18,  99.90,   0.37,
09/08 01Z,  -0.40,   2.54,   2.51,  99.90,   0.37,
09/08 02Z,  -0.40,   2.75,   2.70,  99.90,   0.35,
09/08 03Z,  -0.40,   2.88,   2.81,  99.90,   0.33,
09/08 04Z,  -0.40,   3.00,   2.91,  99.90,   0.31,
09/08 05Z,  -0.50,   3.16,   3.02,  99.90,   0.36,
09/08 06Z,  -0.50,   3.38,   3.21,  99.90,   0.33,
09/08 07Z,  -0.50,   3.66,   3.36,  99.90,   0.20,
09/08 08Z,  -0.50,   3.95,   3.59,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/08 09Z,  -0.60,   4.16,  99.90,   3.72,   0.16,
09/08 10Z,  -0.60,   4.21,  99.90,   3.78,   0.17,  (max)
09/08 11Z,  -0.60,   4.03,  99.90,   3.62,   0.19,
09/08 12Z,  -0.60,   3.60,  99.90,   3.20,   0.21,
09/08 13Z,  -0.70,   2.92,  99.90,   2.44,   0.22,
09/08 14Z,  -0.70,   2.07,  99.90,   1.61,   0.24,
09/08 15Z,  -0.70,   1.17,  99.90,   0.72,   0.25,
09/08 16Z,  -0.70,   0.35,  99.90,  -0.09,   0.27,
09/08 17Z,  -0.70,  -0.28,  99.90,  -0.70,   0.28,
09/08 18Z,  -0.70,  -0.63,  99.90,  -1.03,   0.30,
09/08 19Z,  -0.70,  -0.65,  99.90,  -1.04,   0.31,  (min)
09/08 20Z,  -0.70,  -0.39,  99.90,  -0.76,   0.33,
09/08 21Z,  -0.80,   0.11,  99.90,  -0.37,   0.33,
09/08 22Z,  -0.80,   0.71,  99.90,   0.24,   0.33,
09/08 23Z,  -0.80,   1.33,  99.90,   0.86,   0.33,
09/09 00Z,  -0.80,   1.88,  99.90,   1.40,   0.33,
09/09 01Z,  -0.90,   2.28,  99.90,   1.71,   0.33,
09/09 02Z,  -0.80,   2.54,  99.90,   2.07,   0.33,
09/09 03Z,  -0.80,   2.68,  99.90,   2.20,   0.33,
09/09 04Z,  -0.80,   2.74,  99.90,   2.27,   0.33,
09/09 05Z,  -0.80,   2.80,  99.90,   2.33,   0.33,
09/09 06Z,  -0.90,   2.91,  99.90,   2.34,   0.33,
09/09 07Z,  -0.90,   3.09,  99.90,   2.52,   0.33,
09/09 08Z,  -0.90,   3.34,  99.90,   2.77,   0.33,
09/09 09Z,  -0.90,   3.60,  99.90,   3.03,   0.33,
09/09 10Z,  -1.00,   3.80,  99.90,   3.13,   0.33,
09/09 11Z,  -1.00,   3.87,  99.90,   3.20,   0.33,  (max)
09/09 12Z,  -1.00,   3.74,  99.90,   3.07,   0.33,
09/09 13Z,  -1.00,   3.38,  99.90,   2.71,   0.33,
09/09 14Z,  -1.00,   2.80,  99.90,   2.13,   0.33,
09/09 15Z,  -1.00,   2.07,  99.90,   1.40,   0.33,
09/09 16Z,  -0.90,   1.29,  99.90,   0.72,   0.33,
09/09 17Z,  -0.90,   0.58,  99.90,   0.01,   0.33,
09/09 18Z,  -0.90,   0.06,  99.90,  -0.52,   0.33,
09/09 19Z,  -1.00,  -0.21,  99.90,  -0.88,   0.33,  (min)
09/09 20Z,  -1.00,  -0.20,  99.90,  -0.87,   0.33,
09/09 21Z,  -1.00,   0.08,  99.90,  -0.60,   0.33,
09/09 22Z,  -1.10,   0.54,  99.90,  -0.23,   0.33,
09/09 23Z,  -1.00,   1.09,  99.90,   0.42,   0.33,
09/10 00Z,  -1.00,   1.64,  99.90,   0.96,   0.33,
09/10 01Z,  -1.00,   2.09,  99.90,   1.42,   0.33,
09/10 02Z,  -1.00,   2.40,  99.90,   1.73,   0.33,
09/10 03Z,  -0.90,   2.56,  99.90,   1.99,   0.33,
09/10 04Z,  -0.90,   2.60,  99.90,   2.03,   0.33,  (max)
09/10 05Z,  -0.90,   2.57,  99.90,   2.00,   0.33,
09/10 06Z,  -0.90,   2.54,  99.90,   1.97,   0.33,  (min)
09/10 07Z,  -0.90,   2.57,  99.90,   2.00,   0.33,
09/10 08Z,  -0.90,   2.68,  99.90,   2.11,   0.33,
09/10 09Z,  -0.90,   2.87,  99.90,   2.30,   0.33,
09/10 10Z,  -0.90,   3.11,  99.90,   2.53,   0.33,
09/10 11Z,  -0.80,   3.32,  99.90,   2.85,   0.33,
09/10 12Z,  -0.80,   3.43,  99.90,   2.96,   0.33,  (max)
09/10 13Z,  -0.80,   3.38,  99.90,   2.91,   0.33,
09/10 14Z,  -0.80,   3.13,  99.90,   2.66,   0.33,
09/10 15Z,  -0.70,   2.69,  99.90,   2.31,   0.33,
09/10 16Z,  -0.70,   2.11,  99.90,   1.73,   0.33,
09/10 17Z,  -0.70,   1.48,  99.90,   1.11,   0.33,
09/10 18Z,  -0.70,   0.91,  99.90,   0.54,   0.33,
09/10 19Z,  -0.70,   0.49,  99.90,   0.12,   0.33,
09/10 20Z,  -0.70,   0.30,  99.90,  -0.07,   0.33,
09/10 21Z,  -0.80,   0.35,  99.90,  -0.12,   0.33,  (min)
09/10 22Z,  -0.70,   0.62,  99.90,   0.25,   0.33,
09/10 23Z,  -0.70,   1.05,  99.90,   0.67,   0.33,
09/11 00Z,  -0.70,   1.53,  99.90,   1.16,   0.33,
09/11 01Z,  -0.60,   1.99,  99.90,   1.72,   0.33,
09/11 02Z,  -0.60,   2.34,  99.90,   2.06,   0.33,
09/11 03Z,  -0.60,   2.53,  99.90,   2.26,   0.33,
09/11 04Z,  -0.60,   2.58,  99.90,   2.31,   0.33,  (max)
09/11 05Z,  -0.60,   2.50,  99.90,   2.22,   0.33,
09/11 06Z,  -0.60,   2.35,  99.90,   2.08,   0.33,
09/11 07Z,  -0.60,   2.21,  99.90,   1.94,   0.33,
09/11 08Z,  -0.70,   2.13,  99.90,   1.76,   0.33,  (min)
09/11 09Z,  -0.70,   2.16,  99.90,   1.79,   0.33,
09/11 10Z,  -0.70,   2.31,  99.90,   1.93,   0.33,
09/11 11Z,  -0.70,   2.53,  99.90,   2.16,   0.33,
09/11 12Z,  -0.70,   2.76,  99.90,   2.39,   0.33,
09/11 13Z,  -0.70,   2.95,  99.90,   2.57,   0.33,
09/11 14Z,  -0.70,   3.00,  99.90,   2.63,   0.33,  (max)
09/11 15Z,  -0.70,   2.89,  99.90,   2.52,   0.33,
09/11 16Z,  -0.70,   2.61,  99.90,   2.24,   0.33,
09/11 17Z,  -0.70,   2.20,  99.90,   1.83,   0.33,
09/11 18Z,  -0.70,   1.73,  99.90,   1.36,   0.33,
09/11 19Z,  -0.70,   1.30,  99.90,   0.93,   0.33,
09/11 20Z,  -0.70,   1.00,  99.90,   0.62,   0.33,
09/11 21Z,  -0.80,   0.87,  99.90,   0.40,   0.33,  (min)
09/11 22Z,  -0.80,   0.95,  99.90,   0.48,   0.33,
09/11 23Z,  -0.80,   1.20,  99.90,   0.73,   0.33,
09/12 00Z,  -0.80,   1.58,  99.90,   1.11,   0.33,