EXTRA-TROPICAL  STORM  SURGE
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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 : 02/15/2026 00:21:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/13 06Z,   0.00,   1.22,   1.34,  99.90,   0.12,
02/13 07Z,   0.00,   2.37,   2.57,  99.90,   0.20,
02/13 08Z,   0.00,   3.70,   4.00,  99.90,   0.30,
02/13 09Z,   0.00,   5.06,   5.30,  99.90,   0.24,
02/13 10Z,   0.10,   6.29,   6.47,  99.90,   0.08,
02/13 11Z,   0.00,   7.23,   7.39,  99.90,   0.16,
02/13 12Z,   0.00,   7.77,   7.89,  99.90,   0.12,
02/13 13Z,   0.10,   7.90,   8.07,  99.90,   0.07,  (max)
02/13 14Z,   0.10,   7.74,   7.91,  99.90,   0.07,
02/13 15Z,   0.10,   7.47,   7.61,  99.90,   0.04,
02/13 16Z,   0.10,   7.24,   7.37,  99.90,   0.03,
02/13 17Z,   0.10,   7.11,   7.27,  99.90,   0.06,
02/13 18Z,   0.30,   7.06,   7.16,  99.90,  -0.20,
02/13 19Z,   0.30,   7.03,   7.10,  99.90,  -0.23,
02/13 20Z,   0.30,   6.92,   7.07,  99.90,  -0.15,
02/13 21Z,   0.30,   6.65,   6.76,  99.90,  -0.19,
02/13 22Z,   0.30,   6.11,   6.25,  99.90,  -0.16,
02/13 23Z,   0.30,   5.23,   5.41,  99.90,  -0.12,
02/14 00Z,   0.40,   4.01,   4.25,  99.90,  -0.16,
02/14 01Z,   0.50,   2.58,   2.87,  99.90,  -0.21,
02/14 02Z,   0.50,   1.19,   1.54,  99.90,  -0.15,
02/14 03Z,   0.50,   0.12,   0.48,  99.90,  -0.14,
02/14 04Z,   0.50,  -0.41,  -0.09,  99.90,  -0.18,  (min)
02/14 05Z,   0.50,  -0.33,  -0.02,  99.90,  -0.19,
02/14 06Z,   0.60,   0.29,   0.63,  99.90,  -0.26,
02/14 07Z,   0.50,   1.34,   1.72,  99.90,  -0.12,
02/14 08Z,   0.50,   2.66,   3.23,  99.90,   0.07,
02/14 09Z,   0.50,   4.11,   4.68,  99.90,   0.07,
02/14 10Z,   0.60,   5.54,   6.07,  99.90,  -0.07,
02/14 11Z,   0.50,   6.75,   7.25,  99.90,  -0.00,
02/14 12Z,   0.40,   7.57,   8.08,  99.90,   0.11,
02/14 13Z,   0.40,   7.90,   8.52,  99.90,   0.22,  (max)
02/14 14Z,   0.40,   7.82,   8.38,  99.90,   0.16,
02/14 15Z,   0.40,   7.50,   7.98,  99.90,   0.08,
02/14 16Z,   0.30,   7.15,   7.63,  99.90,   0.18,
02/14 17Z,   0.40,   6.91,   7.36,  99.90,   0.05,
02/14 18Z,   0.40,   6.83,   7.17,  99.90,  -0.06,
02/14 19Z,   0.30,   6.85,   7.09,  99.90,  -0.06,
02/14 20Z,   0.30,   6.88,   7.04,  99.90,  -0.14,
02/14 21Z,   0.30,   6.82,   6.98,  99.90,  -0.14,
02/14 22Z,   0.30,   6.55,   6.68,  99.90,  -0.17,
02/14 23Z,   0.20,   5.96,   6.07,  99.90,  -0.09,
02/15 00Z,   0.20,   4.98,   5.10,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/15 01Z,   0.20,   3.63,  99.90,   3.75,  -0.08,
02/15 02Z,   0.20,   2.09,  99.90,   2.21,  -0.08,
02/15 03Z,   0.20,   0.67,  99.90,   0.78,  -0.08,
02/15 04Z,   0.20,  -0.33,  99.90,  -0.21,  -0.08,
02/15 05Z,   0.10,  -0.68,  99.90,  -0.67,  -0.09,  (min)
02/15 06Z,   0.10,  -0.38,  99.90,  -0.36,  -0.09,
02/15 07Z,   0.10,   0.49,  99.90,   0.50,  -0.09,
02/15 08Z,   0.00,   1.75,  99.90,   1.66,  -0.09,
02/15 09Z,   0.00,   3.23,  99.90,   3.15,  -0.09,
02/15 10Z,   0.00,   4.78,  99.90,   4.69,  -0.09,
02/15 11Z,   0.00,   6.18,  99.90,   6.09,  -0.09,
02/15 12Z,   0.00,   7.25,  99.90,   7.16,  -0.09,
02/15 13Z,   0.00,   7.81,  99.90,   7.72,  -0.09,
02/15 14Z,   0.00,   7.85,  99.90,   7.76,  -0.09,  (max)
02/15 15Z,   0.00,   7.51,  99.90,   7.42,  -0.09,
02/15 16Z,   0.00,   7.03,  99.90,   6.94,  -0.09,
02/15 17Z,   0.00,   6.64,  99.90,   6.55,  -0.09,
02/15 18Z,   0.00,   6.46,  99.90,   6.37,  -0.09,  (min)
02/15 19Z,   0.00,   6.49,  99.90,   6.39,  -0.09,
02/15 20Z,   0.00,   6.62,  99.90,   6.52,  -0.09,
02/15 21Z,   0.10,   6.73,  99.90,   6.74,  -0.09,  (max)
02/15 22Z,   0.00,   6.72,  99.90,   6.62,  -0.09,
02/15 23Z,   0.10,   6.43,  99.90,   6.44,  -0.09,
02/16 00Z,   0.10,   5.76,  99.90,   5.77,  -0.09,
02/16 01Z,   0.20,   4.64,  99.90,   4.75,  -0.09,
02/16 02Z,   0.20,   3.16,  99.90,   3.26,  -0.09,
02/16 03Z,   0.20,   1.55,  99.90,   1.66,  -0.09,
02/16 04Z,   0.30,   0.18,  99.90,   0.39,  -0.09,
02/16 05Z,   0.30,  -0.63,  99.90,  -0.42,  -0.09,
02/16 06Z,   0.30,  -0.72,  99.90,  -0.52,  -0.09,  (min)
02/16 07Z,   0.30,  -0.12,  99.90,   0.09,  -0.09,
02/16 08Z,   0.30,   1.01,  99.90,   1.22,  -0.09,
02/16 09Z,   0.30,   2.49,  99.90,   2.69,  -0.09,
02/16 10Z,   0.40,   4.09,  99.90,   4.40,  -0.09,
02/16 11Z,   0.50,   5.64,  99.90,   6.05,  -0.09,
02/16 12Z,   0.50,   6.90,  99.90,   7.31,  -0.09,
02/16 13Z,   0.50,   7.68,  99.90,   8.09,  -0.09,
02/16 14Z,   0.50,   7.88,  99.90,   8.29,  -0.09,  (max)
02/16 15Z,   0.60,   7.56,  99.90,   8.07,  -0.09,
02/16 16Z,   0.60,   6.96,  99.90,   7.47,  -0.09,
02/16 17Z,   0.60,   6.36,  99.90,   6.87,  -0.09,
02/16 18Z,   0.70,   5.99,  99.90,   6.60,  -0.09,
02/16 19Z,   0.70,   5.92,  99.90,   6.53,  -0.09,  (min)
02/16 20Z,   0.70,   6.09,  99.90,   6.69,  -0.09,
02/16 21Z,   0.70,   6.35,  99.90,   6.96,  -0.09,
02/16 22Z,   0.80,   6.56,  99.90,   7.27,  -0.09,
02/16 23Z,   0.80,   6.58,  99.90,   7.29,  -0.09,  (max)
02/17 00Z,   0.90,   6.26,  99.90,   7.07,  -0.09,
02/17 01Z,   0.90,   5.49,  99.90,   6.29,  -0.09,
02/17 02Z,   1.00,   4.24,  99.90,   5.14,  -0.09,
02/17 03Z,   1.00,   2.66,  99.90,   3.57,  -0.09,
02/17 04Z,   1.00,   1.08,  99.90,   1.99,  -0.09,
02/17 05Z,   1.00,  -0.12,  99.90,   0.79,  -0.09,
02/17 06Z,   1.10,  -0.66,  99.90,   0.35,  -0.09,  (min)
02/17 07Z,   1.10,  -0.42,  99.90,   0.59,  -0.09,
02/17 08Z,   1.10,   0.50,  99.90,   1.51,  -0.09,
02/17 09Z,   1.10,   1.89,  99.90,   2.90,  -0.09,
02/17 10Z,   1.10,   3.52,  99.90,   4.53,  -0.09,
02/17 11Z,   1.20,   5.15,  99.90,   6.26,  -0.09,
02/17 12Z,   1.20,   6.57,  99.90,   7.68,  -0.09,
02/17 13Z,   1.20,   7.54,  99.90,   8.65,  -0.09,
02/17 14Z,   1.20,   7.92,  99.90,   9.03,  -0.09,  (max)
02/17 15Z,   1.20,   7.68,  99.90,   8.79,  -0.09,
02/17 16Z,   1.20,   6.99,  99.90,   8.10,  -0.09,
02/17 17Z,   1.20,   6.16,  99.90,   7.27,  -0.09,
02/17 18Z,   1.20,   5.51,  99.90,   6.62,  -0.09,
02/17 19Z,   1.20,   5.22,  99.90,   6.33,  -0.09,
02/17 20Z,   1.10,   5.31,  99.90,   6.32,  -0.09,  (min)
02/17 21Z,   1.10,   5.64,  99.90,   6.65,  -0.09,
02/17 22Z,   1.10,   6.05,  99.90,   7.05,  -0.09,
02/17 23Z,   1.00,   6.36,  99.90,   7.26,  -0.09,  (max)
02/18 00Z,   0.90,   6.40,  99.90,   7.21,  -0.09,
02/18 01Z,   0.90,   6.04,  99.90,   6.85,  -0.09,
02/18 02Z,   0.90,   5.18,  99.90,   5.99,  -0.09,
02/18 03Z,   0.90,   3.85,  99.90,   4.66,  -0.09,
02/18 04Z,   0.80,   2.29,  99.90,   3.00,  -0.09,
02/18 05Z,   0.70,   0.85,  99.90,   1.46,  -0.09,
02/18 06Z,   0.70,  -0.09,  99.90,   0.52,  -0.09,
02/18 07Z,   0.70,  -0.28,  99.90,   0.33,  -0.09,  (min)
02/18 08Z,   0.60,   0.30,  99.90,   0.81,  -0.09,
02/18 09Z,   0.60,   1.50,  99.90,   2.01,  -0.09,
02/18 10Z,   0.60,   3.06,  99.90,   3.57,  -0.09,
02/18 11Z,   0.60,   4.73,  99.90,   5.23,  -0.09,
02/18 12Z,   0.60,   6.25,  99.90,   6.76,  -0.09,
02/18 13Z,   0.50,   7.39,  99.90,   7.80,  -0.09,
02/18 14Z,   0.50,   7.95,  99.90,   8.36,  -0.09,  (max)
02/18 15Z,   0.50,   7.85,  99.90,   8.25,  -0.09,
02/18 16Z,   0.50,   7.15,  99.90,   7.56,  -0.09,
02/18 17Z,   0.50,   6.13,  99.90,   6.54,  -0.09,
02/18 18Z,   0.50,   5.16,  99.90,   5.57,  -0.09,