EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Northwest
Alaska
Gulf of Alaska
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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
#Seattle, WA : 11/07/2025 12:20:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/05 12Z,   0.40,  11.27,  11.50,  99.90,  -0.17,
11/05 13Z,   0.50,  11.52,  11.79,  99.90,  -0.23,  (max)
11/05 14Z,   0.50,  10.86,  11.26,  99.90,  -0.10,
11/05 15Z,   0.50,   9.52,  10.37,  99.90,   0.35,
11/05 16Z,   0.60,   7.86,   8.99,  99.90,   0.53,
11/05 17Z,   0.60,   6.41,   7.67,  99.90,   0.66,
11/05 18Z,   0.70,   5.74,   7.15,  99.90,   0.71,  (min)
11/05 19Z,   0.80,   6.13,   7.59,  99.90,   0.66,
11/05 20Z,   0.80,   7.44,   8.87,  99.90,   0.63,
11/05 21Z,   0.90,   9.23,  10.51,  99.90,   0.38,
11/05 22Z,   0.90,  10.95,  12.17,  99.90,   0.32,
11/05 23Z,   1.00,  12.04,  13.23,  99.90,   0.19,  (max)
11/06 00Z,   1.10,  12.05,  13.14,  99.90,  -0.01,
11/06 01Z,   1.10,  10.78,  11.85,  99.90,  -0.03,
11/06 02Z,   1.10,   8.41,   9.66,  99.90,   0.15,
11/06 03Z,   1.10,   5.29,   6.42,  99.90,   0.03,
11/06 04Z,   1.20,   1.93,   2.95,  99.90,  -0.18,
11/06 05Z,   1.20,  -1.01,   0.03,  99.90,  -0.16,
11/06 06Z,   1.20,  -2.74,  -1.84,  99.90,  -0.30,
11/06 07Z,   1.20,  -2.76,  -1.88,  99.90,  -0.32,  (min)
11/06 08Z,   1.20,  -1.10,  -0.20,  99.90,  -0.30,
11/06 09Z,   1.20,   1.76,   2.42,  99.90,  -0.54,
11/06 10Z,   1.20,   5.11,   5.63,  99.90,  -0.68,
11/06 11Z,   1.10,   8.28,   8.55,  99.90,  -0.83,
11/06 12Z,   1.00,  10.66,  10.76,  99.90,  -0.90,
11/06 13Z,   1.00,  11.93,  12.00,  99.90,  -0.93,
11/06 14Z,   0.90,  12.09,  12.30,  99.90,  -0.69,  (max)
11/06 15Z,   0.90,  11.37,  11.69,  99.90,  -0.58,
11/06 16Z,   0.90,  10.03,  10.65,  99.90,  -0.28,
11/06 17Z,   0.80,   8.43,   9.22,  99.90,  -0.01,
11/06 18Z,   0.80,   7.11,   7.93,  99.90,   0.02,
11/06 19Z,   0.80,   6.62,   7.41,  99.90,  -0.01,  (min)
11/06 20Z,   0.70,   7.12,   7.93,  99.90,   0.11,
11/06 21Z,   0.70,   8.42,   9.13,  99.90,   0.01,
11/06 22Z,   0.70,  10.02,  10.61,  99.90,  -0.11,
11/06 23Z,   0.60,  11.41,  12.04,  99.90,   0.03,
11/07 00Z,   0.80,  12.07,  12.84,  99.90,  -0.03,  (max)
11/07 01Z,   0.80,  11.59,  12.58,  99.90,   0.19,
11/07 02Z,   0.80,   9.88,  11.16,  99.90,   0.48,
11/07 03Z,   0.80,   7.16,   8.76,  99.90,   0.80,
11/07 04Z,   0.80,   3.85,   5.60,  99.90,   0.95,
11/07 05Z,   0.90,   0.47,   2.16,  99.90,   0.79,
11/07 06Z,   0.90,  -2.25,  -0.43,  99.90,   0.92,
11/07 07Z,   1.00,  -3.57,  -1.99,  99.90,   0.58,  (min)
11/07 08Z,   1.00,  -3.07,  -1.59,  99.90,   0.48,
11/07 09Z,   1.00,  -0.94,   0.33,  99.90,   0.27,
11/07 10Z,   1.00,   2.24,   3.02,  99.90,  -0.22,
11/07 11Z,   1.00,   5.73,   6.33,  99.90,  -0.40,
11/07 12Z,   0.90,   8.88,   9.14,  99.90,  -0.64,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/07 13Z,   0.90,  11.14,  99.90,  11.46,  -0.58,
11/07 14Z,   0.80,  12.28,  99.90,  12.55,  -0.53,
11/07 15Z,   0.80,  12.36,  99.90,  12.69,  -0.47,  (max)
11/07 16Z,   0.70,  11.63,  99.90,  11.91,  -0.42,
11/07 17Z,   0.70,  10.33,  99.90,  10.66,  -0.36,
11/07 18Z,   0.70,   8.83,  99.90,   9.22,  -0.31,
11/07 19Z,   0.70,   7.67,  99.90,   8.12,  -0.25,
11/07 20Z,   0.60,   7.31,  99.90,   7.71,  -0.20,  (min)
11/07 21Z,   0.60,   7.85,  99.90,   8.30,  -0.15,
11/07 22Z,   0.60,   9.02,  99.90,   9.53,  -0.09,
11/07 23Z,   0.50,  10.37,  99.90,  10.83,  -0.04,
11/08 00Z,   0.50,  11.41,  99.90,  11.93,   0.02,
11/08 01Z,   0.50,  11.69,  99.90,  12.21,   0.02,  (max)
11/08 02Z,   0.40,  10.87,  99.90,  11.29,   0.02,
11/08 03Z,   0.40,   8.93,  99.90,   9.34,   0.02,
11/08 04Z,   0.40,   6.10,  99.90,   6.52,   0.02,
11/08 05Z,   0.40,   2.81,  99.90,   3.23,   0.02,
11/08 06Z,   0.30,  -0.39,  99.90,  -0.07,   0.02,
11/08 07Z,   0.30,  -2.78,  99.90,  -2.46,   0.02,
11/08 08Z,   0.30,  -3.67,  99.90,  -3.35,   0.02,  (min)
11/08 09Z,   0.30,  -2.78,  99.90,  -2.46,   0.02,
11/08 10Z,   0.30,  -0.39,  99.90,  -0.07,   0.02,
11/08 11Z,   0.20,   2.86,  99.90,   3.08,   0.02,
11/08 12Z,   0.20,   6.28,  99.90,   6.50,   0.02,
11/08 13Z,   0.20,   9.25,  99.90,   9.47,   0.02,
11/08 14Z,   0.20,  11.32,  99.90,  11.54,   0.02,
11/08 15Z,   0.20,  12.32,  99.90,  12.54,   0.02,
11/08 16Z,   0.20,  12.36,  99.90,  12.58,   0.02,  (max)
11/08 17Z,   0.20,  11.65,  99.90,  11.87,   0.02,
11/08 18Z,   0.20,  10.44,  99.90,  10.66,   0.02,
11/08 19Z,   0.20,   9.07,  99.90,   9.29,   0.02,
11/08 20Z,   0.20,   8.04,  99.90,   8.26,   0.02,
11/08 21Z,   0.20,   7.74,  99.90,   7.96,   0.02,  (min)
11/08 22Z,   0.20,   8.21,  99.90,   8.43,   0.02,
11/08 23Z,   0.20,   9.18,  99.90,   9.39,   0.02,
11/09 00Z,   0.20,  10.24,  99.90,  10.46,   0.02,
11/09 01Z,   0.20,  10.99,  99.90,  11.21,   0.02,
11/09 02Z,   0.20,  11.02,  99.90,  11.24,   0.02,  (max)
11/09 03Z,   0.20,  10.05,  99.90,  10.27,   0.02,
11/09 04Z,   0.20,   8.08,  99.90,   8.30,   0.02,
11/09 05Z,   0.20,   5.36,  99.90,   5.58,   0.02,
11/09 06Z,   0.20,   2.29,  99.90,   2.50,   0.02,
11/09 07Z,   0.20,  -0.60,  99.90,  -0.38,   0.02,
11/09 08Z,   0.20,  -2.61,  99.90,  -2.40,   0.02,
11/09 09Z,   0.20,  -3.15,  99.90,  -2.93,   0.02,  (min)
11/09 10Z,   0.20,  -2.03,  99.90,  -1.81,   0.02,
11/09 11Z,   0.20,   0.39,  99.90,   0.61,   0.02,
11/09 12Z,   0.20,   3.50,  99.90,   3.71,   0.02,
11/09 13Z,   0.20,   6.67,  99.90,   6.89,   0.02,
11/09 14Z,   0.20,   9.38,  99.90,   9.60,   0.02,
11/09 15Z,   0.20,  11.24,  99.90,  11.46,   0.02,
11/09 16Z,   0.20,  12.13,  99.90,  12.35,   0.02,
11/09 17Z,   0.20,  12.17,  99.90,  12.39,   0.02,  (max)
11/09 18Z,   0.20,  11.53,  99.90,  11.75,   0.02,
11/09 19Z,   0.20,  10.41,  99.90,  10.63,   0.02,
11/09 20Z,   0.20,   9.15,  99.90,   9.37,   0.02,
11/09 21Z,   0.20,   8.19,  99.90,   8.40,   0.02,
11/09 22Z,   0.20,   7.86,  99.90,   8.08,   0.02,  (min)
11/09 23Z,   0.20,   8.17,  99.90,   8.39,   0.02,
11/10 00Z,   0.10,   8.89,  99.90,   9.00,   0.02,
11/10 01Z,   0.10,   9.69,  99.90,   9.81,   0.02,
11/10 02Z,   0.10,  10.24,  99.90,  10.36,   0.02,  (max)
11/10 03Z,   0.10,  10.17,  99.90,  10.29,   0.02,
11/10 04Z,   0.10,   9.23,  99.90,   9.35,   0.02,
11/10 05Z,   0.20,   7.43,  99.90,   7.65,   0.02,
11/10 06Z,   0.20,   4.99,  99.90,   5.21,   0.02,
11/10 07Z,   0.20,   2.27,  99.90,   2.49,   0.02,
11/10 08Z,   0.20,  -0.24,  99.90,  -0.02,   0.02,
11/10 09Z,   0.20,  -1.90,  99.90,  -1.68,   0.02,
11/10 10Z,   0.20,  -2.19,  99.90,  -1.97,   0.02,  (min)
11/10 11Z,   0.20,  -1.02,  99.90,  -0.81,   0.02,
11/10 12Z,   0.20,   1.24,  99.90,   1.45,   0.02,
11/10 13Z,   0.20,   4.06,  99.90,   4.27,   0.02,
11/10 14Z,   0.20,   6.91,  99.90,   7.13,   0.02,
11/10 15Z,   0.20,   9.35,  99.90,   9.57,   0.02,
11/10 16Z,   0.20,  11.03,  99.90,  11.25,   0.02,
11/10 17Z,   0.20,  11.85,  99.90,  12.07,   0.02,
11/10 18Z,   0.20,  11.92,  99.90,  12.13,   0.02,  (max)
11/10 19Z,   0.20,  11.35,  99.90,  11.57,   0.02,
11/10 20Z,   0.20,  10.31,  99.90,  10.52,   0.02,
11/10 21Z,   0.20,   9.08,  99.90,   9.30,   0.02,
11/10 22Z,   0.20,   8.10,  99.90,   8.32,   0.02,
11/10 23Z,   0.20,   7.64,  99.90,   7.86,   0.02,  (min)
11/11 00Z,   0.20,   7.73,  99.90,   7.95,   0.02,