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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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 : 04/26/2025 00:21:36 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 06Z,   0.00,   5.14,   5.03,  99.90,  -0.11,
04/24 07Z,   0.00,   7.38,   7.36,  99.90,  -0.02,
04/24 08Z,   0.00,   9.41,   9.44,  99.90,   0.03,
04/24 09Z,   0.00,  10.76,  10.81,  99.90,   0.05,
04/24 10Z,   0.00,  11.20,  11.27,  99.90,   0.07,  (max)
04/24 11Z,   0.00,  10.76,  10.80,  99.90,   0.04,
04/24 12Z,   0.00,   9.56,   9.77,  99.90,   0.21,
04/24 13Z,   0.00,   7.83,   8.12,  99.90,   0.29,
04/24 14Z,   0.00,   5.92,   6.14,  99.90,   0.22,
04/24 15Z,   0.00,   4.33,   4.43,  99.90,   0.10,
04/24 16Z,   0.00,   3.52,   3.54,  99.90,   0.02,  (min)
04/24 17Z,   0.00,   3.63,   3.61,  99.90,  -0.02,
04/24 18Z,   0.10,   4.52,   4.49,  99.90,  -0.13,
04/24 19Z,   0.10,   5.92,   5.80,  99.90,  -0.22,
04/24 20Z,   0.10,   7.44,   7.30,  99.90,  -0.24,
04/24 21Z,   0.10,   8.60,   8.54,  99.90,  -0.16,
04/24 22Z,   0.10,   9.03,   8.98,  99.90,  -0.15,  (max)
04/24 23Z,   0.10,   8.63,   8.56,  99.90,  -0.17,
04/25 00Z,   0.10,   7.51,   7.53,  99.90,  -0.08,
04/25 01Z,   0.10,   5.87,   5.98,  99.90,   0.01,
04/25 02Z,   0.10,   4.06,   4.17,  99.90,   0.01,
04/25 03Z,   0.10,   2.59,   2.67,  99.90,  -0.02,
04/25 04Z,   0.10,   2.01,   2.02,  99.90,  -0.09,  (min)
04/25 05Z,   0.10,   2.54,   2.58,  99.90,  -0.06,
04/25 06Z,   0.10,   4.07,   4.11,  99.90,  -0.06,
04/25 07Z,   0.10,   6.21,   6.26,  99.90,  -0.05,
04/25 08Z,   0.10,   8.50,   8.60,  99.90,   0.00,
04/25 09Z,   0.10,  10.39,  10.55,  99.90,   0.06,
04/25 10Z,   0.10,  11.42,  11.56,  99.90,   0.04,  (max)
04/25 11Z,   0.10,  11.38,  11.47,  99.90,  -0.01,
04/25 12Z,   0.10,  10.34,  10.50,  99.90,   0.06,
04/25 13Z,   0.10,   8.51,   8.87,  99.90,   0.26,
04/25 14Z,   0.10,   6.19,   6.56,  99.90,   0.27,
04/25 15Z,   0.10,   3.88,   4.18,  99.90,   0.20,
04/25 16Z,   0.10,   2.21,   2.50,  99.90,   0.19,
04/25 17Z,   0.10,   1.63,   1.84,  99.90,   0.11,  (min)
04/25 18Z,   0.20,   2.23,   2.52,  99.90,   0.09,
04/25 19Z,   0.20,   3.76,   3.96,  99.90,  -0.00,
04/25 20Z,   0.20,   5.80,   5.93,  99.90,  -0.07,
04/25 21Z,   0.20,   7.83,   7.95,  99.90,  -0.08,
04/25 22Z,   0.20,   9.30,   9.41,  99.90,  -0.09,
04/25 23Z,   0.20,   9.88,   9.90,  99.90,  -0.18,  (max)
04/26 00Z,   0.20,   9.52,   9.39,  99.90,  -0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 01Z,   0.20,   8.36,  99.90,   8.26,  -0.30,
04/26 02Z,   0.30,   6.65,  99.90,   6.68,  -0.27,
04/26 03Z,   0.30,   4.79,  99.90,   4.85,  -0.24,
04/26 04Z,   0.30,   3.36,  99.90,   3.45,  -0.21,
04/26 05Z,   0.30,   2.91,  99.90,   3.02,  -0.19,  (min)
04/26 06Z,   0.30,   3.62,  99.90,   3.76,  -0.16,
04/26 07Z,   0.30,   5.31,  99.90,   5.47,  -0.13,
04/26 08Z,   0.30,   7.51,  99.90,   7.71,  -0.10,
04/26 09Z,   0.30,   9.70,  99.90,   9.92,  -0.08,
04/26 10Z,   0.30,  11.29,  99.90,  11.54,  -0.05,
04/26 11Z,   0.30,  11.83,  99.90,  12.11,  -0.02,  (max)
04/26 12Z,   0.30,  11.17,  99.90,  11.48,   0.01,
04/26 13Z,   0.40,   9.46,  99.90,   9.87,   0.01,
04/26 14Z,   0.40,   7.00,  99.90,   7.40,   0.01,
04/26 15Z,   0.40,   4.19,  99.90,   4.59,   0.01,
04/26 16Z,   0.40,   1.65,  99.90,   2.06,   0.01,
04/26 17Z,   0.30,   0.09,  99.90,   0.40,   0.01,
04/26 18Z,   0.30,  -0.06,  99.90,   0.25,   0.01,  (min)
04/26 19Z,   0.30,   1.16,  99.90,   1.47,   0.01,
04/26 20Z,   0.30,   3.36,  99.90,   3.67,   0.01,
04/26 21Z,   0.30,   5.98,  99.90,   6.28,   0.01,
04/26 22Z,   0.30,   8.40,  99.90,   8.71,   0.01,
04/26 23Z,   0.40,  10.08,  99.90,  10.49,   0.01,
04/27 00Z,   0.40,  10.72,  99.90,  11.13,   0.01,  (max)
04/27 01Z,   0.40,  10.34,  99.90,  10.75,   0.01,
04/27 02Z,   0.40,   9.15,  99.90,   9.55,   0.01,
04/27 03Z,   0.40,   7.41,  99.90,   7.82,   0.01,
04/27 04Z,   0.40,   5.58,  99.90,   5.99,   0.01,
04/27 05Z,   0.40,   4.27,  99.90,   4.68,   0.01,
04/27 06Z,   0.40,   4.00,  99.90,   4.41,   0.01,  (min)
04/27 07Z,   0.40,   4.90,  99.90,   5.30,   0.01,
04/27 08Z,   0.40,   6.66,  99.90,   7.07,   0.01,
04/27 09Z,   0.40,   8.81,  99.90,   9.21,   0.01,
04/27 10Z,   0.40,  10.74,  99.90,  11.14,   0.01,
04/27 11Z,   0.40,  11.88,  99.90,  12.28,   0.01,  (max)
04/27 12Z,   0.30,  11.83,  99.90,  12.14,   0.01,
04/27 13Z,   0.30,  10.54,  99.90,  10.84,   0.01,
04/27 14Z,   0.30,   8.22,  99.90,   8.52,   0.01,
04/27 15Z,   0.30,   5.24,  99.90,   5.54,   0.01,
04/27 16Z,   0.30,   2.11,  99.90,   2.42,   0.01,
04/27 17Z,   0.30,  -0.43,  99.90,  -0.12,   0.01,
04/27 18Z,   0.30,  -1.68,  99.90,  -1.37,   0.01,  (min)
04/27 19Z,   0.30,  -1.28,  99.90,  -0.98,   0.01,
04/27 20Z,   0.30,   0.57,  99.90,   0.87,   0.01,
04/27 21Z,   0.30,   3.34,  99.90,   3.65,   0.01,
04/27 22Z,   0.20,   6.39,  99.90,   6.60,   0.01,
04/27 23Z,   0.20,   9.05,  99.90,   9.25,   0.01,
04/28 00Z,   0.20,  10.80,  99.90,  11.01,   0.01,
04/28 01Z,   0.20,  11.43,  99.90,  11.63,   0.01,  (max)
04/28 02Z,   0.20,  11.02,  99.90,  11.23,   0.01,
04/28 03Z,   0.20,   9.81,  99.90,  10.01,   0.01,
04/28 04Z,   0.20,   8.09,  99.90,   8.30,   0.01,
04/28 05Z,   0.20,   6.36,  99.90,   6.57,   0.01,
04/28 06Z,   0.20,   5.23,  99.90,   5.44,   0.01,
04/28 07Z,   0.20,   5.16,  99.90,   5.37,   0.01,  (min)
04/28 08Z,   0.20,   6.17,  99.90,   6.38,   0.01,
04/28 09Z,   0.20,   7.91,  99.90,   8.11,   0.01,
04/28 10Z,   0.20,   9.85,  99.90,  10.05,   0.01,
04/28 11Z,   0.10,  11.40,  99.90,  11.51,   0.01,
04/28 12Z,   0.10,  12.03,  99.90,  12.14,   0.01,  (max)
04/28 13Z,   0.10,  11.42,  99.90,  11.52,   0.01,
04/28 14Z,   0.10,   9.58,  99.90,   9.68,   0.01,
04/28 15Z,   0.10,   6.80,  99.90,   6.90,   0.01,
04/28 16Z,   0.10,   3.51,  99.90,   3.61,   0.01,
04/28 17Z,   0.10,   0.31,  99.90,   0.41,   0.01,
04/28 18Z,   0.10,  -2.04,  99.90,  -1.93,   0.01,
04/28 19Z,   0.10,  -2.85,  99.90,  -2.74,   0.01,  (min)
04/28 20Z,   0.10,  -1.90,  99.90,  -1.79,   0.01,
04/28 21Z,   0.10,   0.47,  99.90,   0.58,   0.01,
04/28 22Z,   0.10,   3.64,  99.90,   3.75,   0.01,
04/28 23Z,   0.00,   6.91,  99.90,   6.92,   0.01,
04/29 00Z,   0.10,   9.63,  99.90,   9.73,   0.01,
04/29 01Z,   0.10,  11.33,  99.90,  11.44,   0.01,
04/29 02Z,   0.10,  11.90,  99.90,  12.00,   0.01,  (max)
04/29 03Z,   0.10,  11.47,  99.90,  11.57,   0.01,
04/29 04Z,   0.10,  10.28,  99.90,  10.39,   0.01,
04/29 05Z,   0.10,   8.65,  99.90,   8.76,   0.01,
04/29 06Z,   0.10,   7.08,  99.90,   7.18,   0.01,
04/29 07Z,   0.10,   6.14,  99.90,   6.25,   0.01,  (min)
04/29 08Z,   0.10,   6.22,  99.90,   6.32,   0.01,
04/29 09Z,   0.10,   7.24,  99.90,   7.35,   0.01,
04/29 10Z,   0.10,   8.83,  99.90,   8.93,   0.01,
04/29 11Z,   0.10,  10.46,  99.90,  10.56,   0.01,
04/29 12Z,   0.10,  11.59,  99.90,  11.70,   0.01,
04/29 13Z,   0.10,  11.75,  99.90,  11.85,   0.01,  (max)
04/29 14Z,   0.10,  10.68,  99.90,  10.78,   0.01,
04/29 15Z,   0.10,   8.48,  99.90,   8.58,   0.01,
04/29 16Z,   0.10,   5.46,  99.90,   5.57,   0.01,
04/29 17Z,   0.10,   2.10,  99.90,   2.20,   0.01,
04/29 18Z,   0.10,  -0.97,  99.90,  -0.86,   0.01,