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 : 02/07/2026 08:21:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 12Z,   1.20,  16.85,  17.22,  99.90,  -0.83,
02/05 13Z,   0.90,  19.63,  19.99,  99.90,  -0.54,
02/05 14Z,   0.60,  19.93,  20.45,  99.90,  -0.08,  (max)
02/05 15Z,   0.20,  17.73,  18.44,  99.90,   0.51,
02/05 16Z,   0.00,  13.58,  14.23,  99.90,   0.65,
02/05 17Z,   0.00,   8.52,   9.19,  99.90,   0.67,
02/05 18Z,   0.60,   3.82,   4.35,  99.90,  -0.07,
02/05 19Z,   0.60,   0.86,   1.13,  99.90,  -0.33,
02/05 20Z,   0.60,   0.52,   0.92,  99.90,  -0.20,  (min)
02/05 21Z,   0.40,   2.69,   3.29,  99.90,   0.20,
02/05 22Z,   0.10,   6.55,   7.04,  99.90,   0.39,
02/05 23Z,  -0.10,  11.11,  11.52,  99.90,   0.51,
02/06 00Z,   0.20,  15.30,  15.66,  99.90,   0.16,
02/06 01Z,   0.10,  18.03,  18.22,  99.90,   0.09,
02/06 02Z,   0.00,  18.56,  18.63,  99.90,   0.07,  (max)
02/06 03Z,  -0.10,  16.73,  16.77,  99.90,   0.14,
02/06 04Z,  -0.30,  12.96,  13.11,  99.90,   0.45,
02/06 05Z,  -0.40,   8.16,   8.39,  99.90,   0.63,
02/06 06Z,  -0.10,   3.52,   3.55,  99.90,   0.13,
02/06 07Z,  -0.10,   0.31,   0.14,  99.90,  -0.07,
02/06 08Z,  -0.20,  -0.46,  -0.59,  99.90,   0.07,  (min)
02/06 09Z,  -0.20,   1.38,   1.45,  99.90,   0.27,
02/06 10Z,  -0.20,   5.13,   5.12,  99.90,   0.19,
02/06 11Z,  -0.40,   9.79,   9.65,  99.90,   0.26,
02/06 12Z,  -0.20,  14.38,  14.36,  99.90,   0.18,
02/06 13Z,  -0.30,  17.83,  17.88,  99.90,   0.35,
02/06 14Z,  -0.30,  19.30,  19.35,  99.90,   0.35,  (max)
02/06 15Z,  -0.40,  18.46,  18.58,  99.90,   0.52,
02/06 16Z,  -0.40,  15.55,  15.73,  99.90,   0.58,
02/06 17Z,  -0.40,  11.32,  11.50,  99.90,   0.58,
02/06 18Z,  -0.20,   6.78,   6.86,  99.90,   0.28,
02/06 19Z,   0.00,   3.06,   2.98,  99.90,  -0.08,
02/06 20Z,   0.00,   1.19,   1.15,  99.90,  -0.04,  (min)
02/06 21Z,   0.00,   1.68,   1.91,  99.90,   0.23,
02/06 22Z,   0.00,   4.16,   4.47,  99.90,   0.31,
02/06 23Z,   0.10,   7.78,   8.04,  99.90,   0.16,
02/07 00Z,   0.30,  11.69,  12.00,  99.90,   0.01,
02/07 01Z,   0.30,  14.97,  15.24,  99.90,  -0.03,
02/07 02Z,   0.40,  16.74,  16.87,  99.90,  -0.27,  (max)
02/07 03Z,   0.30,  16.52,  16.69,  99.90,  -0.13,
02/07 04Z,   0.30,  14.37,  14.66,  99.90,  -0.01,
02/07 05Z,   0.20,  10.86,  11.18,  99.90,   0.12,
02/07 06Z,   0.20,   6.91,   7.09,  99.90,  -0.02,
02/07 07Z,   0.10,   3.53,   3.51,  99.90,  -0.12,
02/07 08Z,   0.20,   1.69,   1.68,  99.90,  -0.21,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 09Z,   0.30,   2.06,  99.90,   2.15,  -0.21,
02/07 10Z,   0.40,   4.48,  99.90,   4.67,  -0.21,
02/07 11Z,   0.50,   8.12,  99.90,   8.42,  -0.20,
02/07 12Z,   0.60,  12.12,  99.90,  12.52,  -0.20,
02/07 13Z,   0.60,  15.63,  99.90,  16.03,  -0.20,
02/07 14Z,   0.70,  17.80,  99.90,  18.31,  -0.19,
02/07 15Z,   0.60,  18.09,  99.90,  18.50,  -0.19,  (max)
02/07 16Z,   0.60,  16.46,  99.90,  16.87,  -0.19,
02/07 17Z,   0.60,  13.33,  99.90,  13.74,  -0.18,
02/07 18Z,   0.60,   9.48,  99.90,   9.91,  -0.18,
02/07 19Z,   0.60,   5.81,  99.90,   6.23,  -0.18,
02/07 20Z,   0.70,   3.13,  99.90,   3.66,  -0.17,
02/07 21Z,   0.80,   2.18,  99.90,   2.81,  -0.17,  (min)
02/07 22Z,   1.00,   3.16,  99.90,   3.98,  -0.17,
02/07 23Z,   1.10,   5.54,  99.90,   6.46,  -0.17,
02/08 00Z,   1.10,   8.58,  99.90,   9.51,  -0.17,
02/08 01Z,   1.10,  11.64,  99.90,  12.56,  -0.17,
02/08 02Z,   1.10,  13.99,  99.90,  14.91,  -0.17,
02/08 03Z,   1.00,  14.97,  99.90,  15.80,  -0.17,  (max)
02/08 04Z,   0.90,  14.34,  99.90,  15.07,  -0.17,
02/08 05Z,   0.80,  12.31,  99.90,  12.94,  -0.17,
02/08 06Z,   0.70,   9.47,  99.90,  10.00,  -0.17,
02/08 07Z,   0.70,   6.61,  99.90,   7.14,  -0.17,
02/08 08Z,   0.80,   4.49,  99.90,   5.11,  -0.17,
02/08 09Z,   0.80,   3.77,  99.90,   4.40,  -0.17,  (min)
02/08 10Z,   0.80,   4.83,  99.90,   5.46,  -0.17,
02/08 11Z,   0.80,   7.32,  99.90,   7.95,  -0.17,
02/08 12Z,   0.80,  10.44,  99.90,  11.07,  -0.17,
02/08 13Z,   0.80,  13.51,  99.90,  14.13,  -0.17,
02/08 14Z,   0.70,  15.88,  99.90,  16.41,  -0.17,
02/08 15Z,   0.60,  16.95,  99.90,  17.38,  -0.17,  (max)
02/08 16Z,   0.50,  16.42,  99.90,  16.75,  -0.17,
02/08 17Z,   0.30,  14.45,  99.90,  14.57,  -0.17,
02/08 18Z,   0.20,  11.54,  99.90,  11.57,  -0.17,
02/08 19Z,   0.20,   8.40,  99.90,   8.43,  -0.17,
02/08 20Z,   0.20,   5.65,  99.90,   5.68,  -0.17,
02/08 21Z,   0.20,   3.86,  99.90,   3.88,  -0.17,
02/08 22Z,   0.30,   3.47,  99.90,   3.60,  -0.17,  (min)
02/08 23Z,   0.30,   4.50,  99.90,   4.63,  -0.17,
02/09 00Z,   0.30,   6.44,  99.90,   6.57,  -0.17,
02/09 01Z,   0.10,   8.74,  99.90,   8.67,  -0.17,
02/09 02Z,   0.00,  10.96,  99.90,  10.79,  -0.17,
02/09 03Z,   0.00,  12.58,  99.90,  12.41,  -0.17,
02/09 04Z,   0.00,  13.14,  99.90,  12.96,  -0.17,  (max)
02/09 05Z,   0.00,  12.51,  99.90,  12.34,  -0.17,
02/09 06Z,   0.10,  10.97,  99.90,  10.90,  -0.17,
02/09 07Z,   0.20,   9.02,  99.90,   9.04,  -0.17,
02/09 08Z,   0.10,   7.22,  99.90,   7.15,  -0.17,
02/09 09Z,   0.10,   6.08,  99.90,   6.01,  -0.17,
02/09 10Z,   0.00,   6.04,  99.90,   5.87,  -0.17,  (min)
02/09 11Z,   0.00,   7.29,  99.90,   7.12,  -0.17,
02/09 12Z,   0.10,   9.42,  99.90,   9.35,  -0.17,
02/09 13Z,   0.00,  11.78,  99.90,  11.61,  -0.17,
02/09 14Z,   0.00,  13.90,  99.90,  13.73,  -0.17,
02/09 15Z,   0.00,  15.33,  99.90,  15.16,  -0.17,
02/09 16Z,   0.00,  15.67,  99.90,  15.50,  -0.17,  (max)
02/09 17Z,   0.00,  14.78,  99.90,  14.61,  -0.17,
02/09 18Z,  -0.10,  12.91,  99.90,  12.64,  -0.17,
02/09 19Z,   0.00,  10.53,  99.90,  10.36,  -0.17,
02/09 20Z,   0.20,   8.15,  99.90,   8.17,  -0.17,
02/09 21Z,   0.30,   6.14,  99.90,   6.27,  -0.17,
02/09 22Z,   0.40,   4.85,  99.90,   5.08,  -0.17,
02/09 23Z,   0.40,   4.60,  99.90,   4.83,  -0.17,  (min)
02/10 00Z,   0.30,   5.34,  99.90,   5.47,  -0.17,
02/10 01Z,   0.10,   6.66,  99.90,   6.59,  -0.17,
02/10 02Z,   0.00,   8.24,  99.90,   8.07,  -0.17,
02/10 03Z,  -0.10,   9.86,  99.90,   9.59,  -0.17,
02/10 04Z,  -0.20,  11.12,  99.90,  10.75,  -0.17,
02/10 05Z,  -0.20,  11.65,  99.90,  11.28,  -0.17,  (max)
02/10 06Z,  -0.10,  11.40,  99.90,  11.12,  -0.17,
02/10 07Z,   0.00,  10.54,  99.90,  10.37,  -0.17,
02/10 08Z,   0.00,   9.44,  99.90,   9.26,  -0.17,
02/10 09Z,   0.30,   8.43,  99.90,   8.56,  -0.17,
02/10 10Z,   0.50,   7.82,  99.90,   8.15,  -0.17,  (min)
02/10 11Z,   0.50,   7.97,  99.90,   8.29,  -0.17,
02/10 12Z,   0.50,   8.98,  99.90,   9.31,  -0.17,
02/10 13Z,   0.50,  10.51,  99.90,  10.84,  -0.17,
02/10 14Z,   0.20,  12.11,  99.90,  12.14,  -0.17,
02/10 15Z,   0.00,  13.51,  99.90,  13.34,  -0.17,
02/10 16Z,  -0.10,  14.40,  99.90,  14.13,  -0.17,
02/10 17Z,  -0.10,  14.47,  99.90,  14.20,  -0.17,  (max)
02/10 18Z,  -0.10,  13.66,  99.90,  13.38,  -0.17,
02/10 19Z,   0.00,  12.17,  99.90,  12.00,  -0.17,
02/10 20Z,   0.10,  10.36,  99.90,  10.29,  -0.17,
02/10 21Z,   0.30,   8.53,  99.90,   8.66,  -0.17,
02/10 22Z,   0.40,   6.88,  99.90,   7.11,  -0.17,
02/10 23Z,   0.50,   5.67,  99.90,   6.00,  -0.17,
02/11 00Z,   0.70,   5.18,  99.90,   5.71,  -0.17,