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
#Seward, AK : 02/07/2026 11:22:35 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/05 12Z,   1.60,  10.93,  11.02,  99.90,  -1.51,
02/05 13Z,   1.40,  10.83,  10.85,  99.90,  -1.38,  (max)
02/05 14Z,   1.30,   9.51,   9.54,  99.90,  -1.27,
02/05 15Z,   1.20,   7.30,   7.48,  99.90,  -1.02,
02/05 16Z,   1.20,   4.74,   4.89,  99.90,  -1.05,
02/05 17Z,   1.10,   2.53,   2.67,  99.90,  -0.96,
02/05 18Z,   1.20,   1.31,   1.39,  99.90,  -1.12,  (min)
02/05 19Z,   1.20,   1.39,   1.43,  99.90,  -1.16,
02/05 20Z,   1.10,   2.68,   2.60,  99.90,  -1.18,
02/05 21Z,   1.00,   4.80,   4.72,  99.90,  -1.08,
02/05 22Z,   0.90,   7.17,   7.14,  99.90,  -0.93,
02/05 23Z,   0.90,   9.16,   9.10,  99.90,  -0.96,
02/06 00Z,   0.90,  10.21,  10.10,  99.90,  -1.01,  (max)
02/06 01Z,   0.80,  10.07,   9.89,  99.90,  -0.98,
02/06 02Z,   0.70,   8.78,   8.65,  99.90,  -0.83,
02/06 03Z,   0.60,   6.62,   6.56,  99.90,  -0.66,
02/06 04Z,   0.60,   4.06,   3.87,  99.90,  -0.79,
02/06 05Z,   0.50,   1.75,   1.48,  99.90,  -0.77,
02/06 06Z,   0.60,   0.35,   0.04,  99.90,  -0.91,
02/06 07Z,   0.60,   0.25,  -0.01,  99.90,  -0.86,  (min)
02/06 08Z,   0.60,   1.46,   1.07,  99.90,  -0.99,
02/06 09Z,   0.60,   3.64,   3.27,  99.90,  -0.97,
02/06 10Z,   0.50,   6.26,   5.95,  99.90,  -0.81,
02/06 11Z,   0.50,   8.70,   8.42,  99.90,  -0.78,
02/06 12Z,   0.60,  10.36,  10.14,  99.90,  -0.82,
02/06 13Z,   0.50,  10.89,  10.63,  99.90,  -0.76,  (max)
02/06 14Z,   0.50,  10.24,  10.11,  99.90,  -0.63,
02/06 15Z,   0.70,   8.60,   8.47,  99.90,  -0.83,
02/06 16Z,   0.50,   6.33,   6.21,  99.90,  -0.62,
02/06 17Z,   0.50,   3.98,   3.85,  99.90,  -0.63,
02/06 18Z,   0.80,   2.18,   2.06,  99.90,  -0.92,
02/06 19Z,   0.90,   1.41,   1.32,  99.90,  -0.99,  (min)
02/06 20Z,   1.00,   1.82,   1.78,  99.90,  -1.04,
02/06 21Z,   1.00,   3.19,   3.17,  99.90,  -1.02,
02/06 22Z,   1.10,   5.14,   5.12,  99.90,  -1.12,
02/06 23Z,   1.20,   7.13,   7.07,  99.90,  -1.26,
02/07 00Z,   1.30,   8.62,   8.53,  99.90,  -1.39,
02/07 01Z,   1.20,   9.21,   9.16,  99.90,  -1.25,  (max)
02/07 02Z,   1.20,   8.78,   8.73,  99.90,  -1.25,
02/07 03Z,   1.20,   7.46,   7.54,  99.90,  -1.12,
02/07 04Z,   1.20,   5.57,   5.56,  99.90,  -1.21,
02/07 05Z,   1.20,   3.55,   3.55,  99.90,  -1.20,
02/07 06Z,   1.20,   1.96,   1.98,  99.90,  -1.18,
02/07 07Z,   1.30,   1.31,   1.33,  99.90,  -1.28,  (min)
02/07 08Z,   1.30,   1.79,   1.87,  99.90,  -1.22,
02/07 09Z,   1.40,   3.28,   3.35,  99.90,  -1.33,
02/07 10Z,   1.50,   5.38,   5.57,  99.90,  -1.31,
02/07 11Z,   1.50,   7.62,   7.90,  99.90,  -1.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/07 12Z,   1.50,   9.47,  99.90,   9.74,  -1.23,
02/07 13Z,   1.50,  10.48,  99.90,  10.74,  -1.24,  (max)
02/07 14Z,   1.50,  10.44,  99.90,  10.69,  -1.25,
02/07 15Z,   1.50,   9.42,  99.90,   9.66,  -1.26,
02/07 16Z,   1.50,   7.67,  99.90,   7.90,  -1.28,
02/07 17Z,   1.60,   5.55,  99.90,   5.87,  -1.29,
02/07 18Z,   1.70,   3.55,  99.90,   3.95,  -1.30,
02/07 19Z,   1.70,   2.18,  99.90,   2.58,  -1.31,
02/07 20Z,   1.80,   1.78,  99.90,   2.26,  -1.32,  (min)
02/07 21Z,   1.90,   2.35,  99.90,   2.92,  -1.33,
02/07 22Z,   1.90,   3.63,  99.90,   4.19,  -1.34,
02/07 23Z,   2.00,   5.25,  99.90,   5.90,  -1.35,
02/08 00Z,   2.00,   6.78,  99.90,   7.44,  -1.35,
02/08 01Z,   2.00,   7.82,  99.90,   8.47,  -1.35,
02/08 02Z,   1.90,   8.08,  99.90,   8.64,  -1.35,  (max)
02/08 03Z,   1.90,   7.56,  99.90,   8.11,  -1.35,
02/08 04Z,   1.80,   6.43,  99.90,   6.88,  -1.35,
02/08 05Z,   1.80,   4.98,  99.90,   5.43,  -1.35,
02/08 06Z,   1.80,   3.58,  99.90,   4.03,  -1.35,
02/08 07Z,   1.80,   2.67,  99.90,   3.12,  -1.35,
02/08 08Z,   1.80,   2.60,  99.90,   3.05,  -1.35,  (min)
02/08 09Z,   1.80,   3.42,  99.90,   3.87,  -1.35,
02/08 10Z,   1.80,   4.92,  99.90,   5.37,  -1.35,
02/08 11Z,   1.80,   6.73,  99.90,   7.18,  -1.35,
02/08 12Z,   1.70,   8.46,  99.90,   8.82,  -1.35,
02/08 13Z,   1.70,   9.72,  99.90,  10.07,  -1.35,
02/08 14Z,   1.60,  10.18,  99.90,  10.43,  -1.35,  (max)
02/08 15Z,   1.60,   9.77,  99.90,  10.02,  -1.35,
02/08 16Z,   1.40,   8.61,  99.90,   8.66,  -1.35,
02/08 17Z,   1.40,   6.95,  99.90,   7.00,  -1.35,
02/08 18Z,   1.30,   5.10,  99.90,   5.05,  -1.35,
02/08 19Z,   1.30,   3.48,  99.90,   3.43,  -1.35,
02/08 20Z,   1.10,   2.46,  99.90,   2.21,  -1.35,
02/08 21Z,   1.30,   2.26,  99.90,   2.21,  -1.35,  (min)
02/08 22Z,   1.30,   2.79,  99.90,   2.74,  -1.35,
02/08 23Z,   1.20,   3.82,  99.90,   3.67,  -1.35,
02/09 00Z,   1.10,   5.05,  99.90,   4.81,  -1.35,
02/09 01Z,   1.10,   6.19,  99.90,   5.94,  -1.35,
02/09 02Z,   1.20,   6.90,  99.90,   6.76,  -1.35,
02/09 03Z,   1.10,   7.04,  99.90,   6.79,  -1.35,  (max)
02/09 04Z,   1.10,   6.63,  99.90,   6.38,  -1.35,
02/09 05Z,   1.10,   5.84,  99.90,   5.59,  -1.35,
02/09 06Z,   1.10,   4.89,  99.90,   4.64,  -1.35,
02/09 07Z,   1.10,   4.06,  99.90,   3.81,  -1.35,
02/09 08Z,   1.00,   3.67,  99.90,   3.33,  -1.35,  (min)
02/09 09Z,   1.00,   3.94,  99.90,   3.59,  -1.35,
02/09 10Z,   1.10,   4.83,  99.90,   4.58,  -1.35,
02/09 11Z,   1.00,   6.12,  99.90,   5.77,  -1.35,
02/09 12Z,   1.00,   7.52,  99.90,   7.18,  -1.35,
02/09 13Z,   1.00,   8.76,  99.90,   8.42,  -1.35,
02/09 14Z,   1.10,   9.55,  99.90,   9.30,  -1.35,
02/09 15Z,   1.10,   9.68,  99.90,   9.43,  -1.35,  (max)
02/09 16Z,   1.10,   9.12,  99.90,   8.87,  -1.35,
02/09 17Z,   1.20,   8.01,  99.90,   7.86,  -1.35,
02/09 18Z,   1.20,   6.56,  99.90,   6.41,  -1.35,
02/09 19Z,   1.20,   5.00,  99.90,   4.85,  -1.35,
02/09 20Z,   1.20,   3.67,  99.90,   3.52,  -1.35,
02/09 21Z,   1.20,   2.83,  99.90,   2.69,  -1.35,
02/09 22Z,   1.20,   2.63,  99.90,   2.48,  -1.35,  (min)
02/09 23Z,   1.10,   2.97,  99.90,   2.72,  -1.35,
02/10 00Z,   1.00,   3.68,  99.90,   3.33,  -1.35,
02/10 01Z,   0.90,   4.58,  99.90,   4.14,  -1.35,
02/10 02Z,   1.00,   5.45,  99.90,   5.10,  -1.35,
02/10 03Z,   1.00,   6.06,  99.90,   5.71,  -1.35,
02/10 04Z,   1.10,   6.27,  99.90,   6.02,  -1.35,  (max)
02/10 05Z,   1.00,   6.13,  99.90,   5.78,  -1.35,
02/10 06Z,   1.00,   5.74,  99.90,   5.39,  -1.35,
02/10 07Z,   1.20,   5.23,  99.90,   5.08,  -1.35,
02/10 08Z,   1.30,   4.81,  99.90,   4.76,  -1.35,
02/10 09Z,   1.40,   4.71,  99.90,   4.76,  -1.35,  (min)
02/10 10Z,   1.40,   5.05,  99.90,   5.10,  -1.35,
02/10 11Z,   1.40,   5.79,  99.90,   5.84,  -1.35,
02/10 12Z,   1.40,   6.75,  99.90,   6.80,  -1.35,
02/10 13Z,   1.20,   7.77,  99.90,   7.62,  -1.35,
02/10 14Z,   1.10,   8.66,  99.90,   8.41,  -1.35,
02/10 15Z,   1.00,   9.19,  99.90,   8.84,  -1.35,
02/10 16Z,   1.00,   9.21,  99.90,   8.86,  -1.35,  (max)
02/10 17Z,   1.00,   8.70,  99.90,   8.35,  -1.35,
02/10 18Z,   1.00,   7.76,  99.90,   7.41,  -1.35,
02/10 19Z,   1.10,   6.52,  99.90,   6.27,  -1.35,
02/10 20Z,   1.10,   5.16,  99.90,   4.92,  -1.35,
02/10 21Z,   1.30,   3.94,  99.90,   3.89,  -1.35,
02/10 22Z,   1.30,   3.09,  99.90,   3.04,  -1.35,
02/10 23Z,   1.40,   2.72,  99.90,   2.77,  -1.35,  (min)
02/11 00Z,   1.40,   2.79,  99.90,   2.84,  -1.35,