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
#Friday Harbor, WA : 12/07/2025 16:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/06 00Z,   0.60,   8.00,   8.88,  99.90,   0.28,  (max)
12/06 01Z,   0.60,   6.90,   7.76,  99.90,   0.26,
12/06 02Z,   0.70,   5.16,   6.19,  99.90,   0.33,
12/06 03Z,   0.70,   2.91,   3.82,  99.90,   0.21,
12/06 04Z,   0.80,   0.49,   1.23,  99.90,  -0.06,
12/06 05Z,   0.80,  -1.64,  -1.12,  99.90,  -0.28,
12/06 06Z,   0.90,  -3.01,  -2.39,  99.90,  -0.28,
12/06 07Z,   0.90,  -3.35,  -2.52,  99.90,  -0.07,  (min)
12/06 08Z,   0.90,  -2.64,  -1.90,  99.90,  -0.16,
12/06 09Z,   1.00,  -1.08,  -0.67,  99.90,  -0.59,
12/06 10Z,   1.00,   1.02,   1.10,  99.90,  -0.92,
12/06 11Z,   0.90,   3.35,   3.30,  99.90,  -0.95,
12/06 12Z,   0.70,   5.62,   5.57,  99.90,  -0.75,
12/06 13Z,   0.80,   7.55,   7.36,  99.90,  -0.99,
12/06 14Z,   0.80,   8.91,   8.64,  99.90,  -1.07,
12/06 15Z,   0.70,   9.55,   9.23,  99.90,  -1.02,  (max)
12/06 16Z,   0.60,   9.54,   9.22,  99.90,  -0.92,
12/06 17Z,   0.60,   9.09,   8.77,  99.90,  -0.92,
12/06 18Z,   0.60,   8.53,   8.38,  99.90,  -0.75,
12/06 19Z,   0.50,   8.13,   7.99,  99.90,  -0.64,
12/06 20Z,   0.40,   8.00,   7.89,  99.90,  -0.51,  (min)
12/06 21Z,   0.40,   8.11,   8.00,  99.90,  -0.51,
12/06 22Z,   0.40,   8.31,   8.26,  99.90,  -0.45,
12/06 23Z,   0.40,   8.42,   8.44,  99.90,  -0.38,  (max)
12/07 00Z,   0.20,   8.26,   8.39,  99.90,  -0.07,
12/07 01Z,   0.20,   7.66,   7.80,  99.90,  -0.06,
12/07 02Z,   0.20,   6.47,   6.71,  99.90,   0.04,
12/07 03Z,   0.20,   4.68,   4.99,  99.90,   0.11,
12/07 04Z,   0.10,   2.44,   2.62,  99.90,   0.08,
12/07 05Z,   0.10,   0.13,   0.18,  99.90,  -0.05,
12/07 06Z,   0.10,  -1.78,  -1.96,  99.90,  -0.28,
12/07 07Z,   0.10,  -2.88,  -2.99,  99.90,  -0.21,  (min)
12/07 08Z,   0.00,  -2.97,  -2.91,  99.90,   0.06,
12/07 09Z,   0.10,  -2.08,  -2.15,  99.90,  -0.17,
12/07 10Z,   0.10,  -0.44,  -0.75,  99.90,  -0.41,
12/07 11Z,   0.10,   1.68,   1.26,  99.90,  -0.52,
12/07 12Z,   0.00,   3.98,   3.41,  99.90,  -0.57,
12/07 13Z,   0.10,   6.16,   5.69,  99.90,  -0.57,
12/07 14Z,   0.10,   7.96,   7.62,  99.90,  -0.44,
12/07 15Z,   0.20,   9.15,   8.81,  99.90,  -0.54,
12/07 16Z,   0.10,   9.64,   9.38,  99.90,  -0.36,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/07 17Z,   0.20,   9.50,  99.90,   9.36,  -0.35,
12/07 18Z,   0.20,   8.99,  99.90,   8.86,  -0.33,
12/07 19Z,   0.20,   8.41,  99.90,   8.29,  -0.32,
12/07 20Z,   0.20,   8.00,  99.90,   7.89,  -0.31,
12/07 21Z,   0.20,   7.83,  99.90,   7.73,  -0.30,  (min)
12/07 22Z,   0.30,   7.87,  99.90,   7.88,  -0.29,
12/07 23Z,   0.30,   7.98,  99.90,   8.00,  -0.27,  (max)
12/08 00Z,   0.20,   8.01,  99.90,   7.95,  -0.26,
12/08 01Z,   0.20,   7.79,  99.90,   7.74,  -0.25,
12/08 02Z,   0.30,   7.15,  99.90,   7.22,  -0.24,
12/08 03Z,   0.30,   5.97,  99.90,   6.05,  -0.22,
12/08 04Z,   0.20,   4.24,  99.90,   4.23,  -0.21,
12/08 05Z,   0.20,   2.16,  99.90,   2.15,  -0.21,
12/08 06Z,   0.20,   0.10,  99.90,   0.09,  -0.21,
12/08 07Z,   0.20,  -1.50,  99.90,  -1.51,  -0.21,
12/08 08Z,   0.10,  -2.31,  99.90,  -2.42,  -0.21,  (min)
12/08 09Z,   0.10,  -2.19,  99.90,  -2.30,  -0.21,
12/08 10Z,   0.10,  -1.20,  99.90,  -1.31,  -0.21,
12/08 11Z,   0.10,   0.45,  99.90,   0.33,  -0.21,
12/08 12Z,   0.10,   2.49,  99.90,   2.37,  -0.21,
12/08 13Z,   0.00,   4.65,  99.90,   4.44,  -0.21,
12/08 14Z,   0.00,   6.66,  99.90,   6.45,  -0.21,
12/08 15Z,   0.10,   8.26,  99.90,   8.15,  -0.21,
12/08 16Z,   0.20,   9.24,  99.90,   9.23,  -0.21,
12/08 17Z,   0.20,   9.54,  99.90,   9.53,  -0.21,  (max)
12/08 18Z,   0.20,   9.28,  99.90,   9.26,  -0.21,
12/08 19Z,   0.20,   8.70,  99.90,   8.68,  -0.21,
12/08 20Z,   0.20,   8.07,  99.90,   8.06,  -0.21,
12/08 21Z,   0.20,   7.61,  99.90,   7.59,  -0.21,
12/08 22Z,   0.30,   7.36,  99.90,   7.45,  -0.21,  (min)
12/08 23Z,   0.40,   7.30,  99.90,   7.49,  -0.21,
12/09 00Z,   0.50,   7.33,  99.90,   7.62,  -0.21,
12/09 01Z,   0.60,   7.31,  99.90,   7.69,  -0.21,  (max)
12/09 02Z,   0.60,   7.08,  99.90,   7.47,  -0.21,
12/09 03Z,   0.50,   6.49,  99.90,   6.77,  -0.21,
12/09 04Z,   0.40,   5.41,  99.90,   5.60,  -0.21,
12/09 05Z,   0.50,   3.88,  99.90,   4.16,  -0.21,
12/09 06Z,   0.60,   2.08,  99.90,   2.47,  -0.21,
12/09 07Z,   0.70,   0.37,  99.90,   0.86,  -0.21,
12/09 08Z,   0.60,  -0.88,  99.90,  -0.49,  -0.21,
12/09 09Z,   0.50,  -1.40,  99.90,  -1.11,  -0.21,  (min)
12/09 10Z,   0.60,  -1.10,  99.90,  -0.71,  -0.21,
12/09 11Z,   0.60,  -0.07,  99.90,   0.32,  -0.21,
12/09 12Z,   0.50,   1.50,  99.90,   1.79,  -0.21,
12/09 13Z,   0.40,   3.40,  99.90,   3.59,  -0.21,
12/09 14Z,   0.40,   5.36,  99.90,   5.55,  -0.21,
12/09 15Z,   0.40,   7.14,  99.90,   7.33,  -0.21,
12/09 16Z,   0.30,   8.49,  99.90,   8.57,  -0.21,
12/09 17Z,   0.20,   9.22,  99.90,   9.21,  -0.21,
12/09 18Z,   0.30,   9.32,  99.90,   9.41,  -0.21,  (max)
12/09 19Z,   0.30,   8.91,  99.90,   9.00,  -0.21,
12/09 20Z,   0.20,   8.23,  99.90,   8.22,  -0.21,
12/09 21Z,   0.10,   7.52,  99.90,   7.41,  -0.21,
12/09 22Z,   0.20,   6.95,  99.90,   6.94,  -0.21,
12/09 23Z,   0.20,   6.60,  99.90,   6.59,  -0.21,
12/10 00Z,   0.10,   6.44,  99.90,   6.32,  -0.21,  (min)
12/10 01Z,   0.20,   6.40,  99.90,   6.38,  -0.21,
12/10 02Z,   0.30,   6.36,  99.90,   6.45,  -0.21,  (max)
12/10 03Z,   0.30,   6.19,  99.90,   6.28,  -0.21,
12/10 04Z,   0.20,   5.72,  99.90,   5.71,  -0.21,
12/10 05Z,   0.20,   4.86,  99.90,   4.85,  -0.21,
12/10 06Z,   0.30,   3.63,  99.90,   3.72,  -0.21,
12/10 07Z,   0.30,   2.22,  99.90,   2.31,  -0.21,
12/10 08Z,   0.20,   0.92,  99.90,   0.91,  -0.21,
12/10 09Z,   0.20,   0.04,  99.90,   0.03,  -0.21,
12/10 10Z,   0.40,  -0.22,  99.90,  -0.03,  -0.21,  (min)
12/10 11Z,   0.50,   0.20,  99.90,   0.49,  -0.21,
12/10 12Z,   0.50,   1.21,  99.90,   1.50,  -0.21,
12/10 13Z,   0.40,   2.67,  99.90,   2.86,  -0.21,
12/10 14Z,   0.40,   4.37,  99.90,   4.56,  -0.21,
12/10 15Z,   0.50,   6.10,  99.90,   6.38,  -0.21,
12/10 16Z,   0.40,   7.60,  99.90,   7.78,  -0.21,
12/10 17Z,   0.30,   8.65,  99.90,   8.74,  -0.21,
12/10 18Z,   0.40,   9.12,  99.90,   9.31,  -0.21,  (max)
12/10 19Z,   0.40,   8.99,  99.90,   9.18,  -0.21,
12/10 20Z,   0.40,   8.41,  99.90,   8.60,  -0.21,
12/10 21Z,   0.40,   7.58,  99.90,   7.77,  -0.21,
12/10 22Z,   0.40,   6.74,  99.90,   6.93,  -0.21,
12/10 23Z,   0.40,   6.04,  99.90,   6.23,  -0.21,
12/11 00Z,   0.30,   5.57,  99.90,   5.66,  -0.21,
12/11 01Z,   0.30,   5.33,  99.90,   5.41,  -0.21,
12/11 02Z,   0.30,   5.27,  99.90,   5.35,  -0.21,  (min)
12/11 03Z,   0.30,   5.28,  99.90,   5.37,  -0.21,  (max)
12/11 04Z,   0.20,   5.24,  99.90,   5.22,  -0.21,
12/11 05Z,   0.10,   4.98,  99.90,   4.87,  -0.21,
12/11 06Z,   0.20,   4.42,  99.90,   4.41,  -0.21,
12/11 07Z,  99.90,   3.58,  99.90,  99.90,  -0.21,
12/11 08Z,  99.90,   2.61,  99.90,  99.90,  -0.21,
12/11 09Z,  99.90,   1.73,  99.90,  99.90,  -0.21,
12/11 10Z,  99.90,   1.19,  99.90,  99.90,  -0.21,
12/11 11Z,  99.90,   1.14,  99.90,  99.90,  -0.21,
12/11 12Z,  99.90,   1.62,  99.90,  99.90,  -0.21,