EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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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 : 05/14/2025 12:20:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/12 12Z,   0.60,  10.19,  10.77,  99.90,  -0.02,  (max)
05/12 13Z,   0.60,   9.29,  10.09,  99.90,   0.20,
05/12 14Z,   0.60,   7.58,   8.60,  99.90,   0.42,
05/12 15Z,   0.60,   5.27,   6.40,  99.90,   0.53,
05/12 16Z,   0.60,   2.70,   3.75,  99.90,   0.45,
05/12 17Z,   0.60,   0.41,   1.29,  99.90,   0.28,
05/12 18Z,   0.60,  -0.98,  -0.13,  99.90,   0.25,
05/12 19Z,   0.60,  -1.07,  -0.16,  99.90,   0.31,  (min)
05/12 20Z,   0.60,   0.10,   1.02,  99.90,   0.32,
05/12 21Z,   0.60,   2.21,   2.98,  99.90,   0.17,
05/12 22Z,   0.60,   4.80,   5.54,  99.90,   0.14,
05/12 23Z,   0.60,   7.35,   8.08,  99.90,   0.13,
05/13 00Z,   0.80,   9.37,  10.02,  99.90,  -0.15,
05/13 01Z,   0.80,  10.58,  11.09,  99.90,  -0.29,
05/13 02Z,   0.80,  10.97,  11.43,  99.90,  -0.34,  (max)
05/13 03Z,   0.80,  10.68,  10.96,  99.90,  -0.52,
05/13 04Z,   0.80,   9.85,  10.21,  99.90,  -0.44,
05/13 05Z,   0.80,   8.73,   9.09,  99.90,  -0.44,
05/13 06Z,   0.80,   7.74,   7.99,  99.90,  -0.55,
05/13 07Z,   0.80,   7.25,   7.44,  99.90,  -0.61,  (min)
05/13 08Z,   0.80,   7.40,   7.57,  99.90,  -0.63,
05/13 09Z,   0.80,   8.05,   8.25,  99.90,  -0.60,
05/13 10Z,   0.80,   8.94,   9.13,  99.90,  -0.61,
05/13 11Z,   0.70,   9.74,  10.00,  99.90,  -0.44,
05/13 12Z,   0.60,  10.07,  10.46,  99.90,  -0.21,  (max)
05/13 13Z,   0.60,   9.59,  10.15,  99.90,  -0.04,
05/13 14Z,   0.60,   8.23,   8.96,  99.90,   0.13,
05/13 15Z,   0.50,   6.16,   6.99,  99.90,   0.33,
05/13 16Z,   0.50,   3.66,   4.42,  99.90,   0.26,
05/13 17Z,   0.50,   1.15,   1.75,  99.90,   0.10,
05/13 18Z,   0.50,  -0.79,  -0.28,  99.90,   0.01,
05/13 19Z,   0.50,  -1.59,  -1.16,  99.90,  -0.07,  (min)
05/13 20Z,   0.50,  -0.99,  -0.52,  99.90,  -0.03,
05/13 21Z,   0.40,   0.79,   1.11,  99.90,  -0.08,
05/13 22Z,   0.40,   3.31,   3.49,  99.90,  -0.22,
05/13 23Z,   0.40,   6.04,   6.22,  99.90,  -0.22,
05/14 00Z,   0.50,   8.48,   8.59,  99.90,  -0.39,
05/14 01Z,   0.50,  10.23,  10.20,  99.90,  -0.53,
05/14 02Z,   0.50,  11.11,  11.11,  99.90,  -0.50,
05/14 03Z,   0.50,  11.20,  11.14,  99.90,  -0.56,  (max)
05/14 04Z,   0.40,  10.69,  10.65,  99.90,  -0.44,
05/14 05Z,   0.40,   9.76,   9.86,  99.90,  -0.30,
05/14 06Z,   0.40,   8.68,   8.79,  99.90,  -0.29,
05/14 07Z,   0.40,   7.86,   7.90,  99.90,  -0.36,
05/14 08Z,   0.50,   7.60,   7.59,  99.90,  -0.51,  (min)
05/14 09Z,   0.50,   7.90,   7.84,  99.90,  -0.56,
05/14 10Z,   0.50,   8.55,   8.57,  99.90,  -0.48,
05/14 11Z,   0.50,   9.27,   9.33,  99.90,  -0.44,
05/14 12Z,   0.50,   9.76,   9.93,  99.90,  -0.33,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 13Z,   0.50,   9.69,  99.90,   9.87,  -0.31,
05/14 14Z,   0.50,   8.80,  99.90,   9.00,  -0.30,
05/14 15Z,   0.50,   7.10,  99.90,   7.32,  -0.28,
05/14 16Z,   0.40,   4.82,  99.90,   4.96,  -0.26,
05/14 17Z,   0.40,   2.29,  99.90,   2.45,  -0.24,
05/14 18Z,   0.40,  -0.01,  99.90,   0.17,  -0.22,
05/14 19Z,   0.40,  -1.51,  99.90,  -1.31,  -0.20,
05/14 20Z,   0.40,  -1.70,  99.90,  -1.48,  -0.18,  (min)
05/14 21Z,   0.40,  -0.51,  99.90,  -0.27,  -0.16,
05/14 22Z,   0.40,   1.71,  99.90,   1.97,  -0.15,
05/14 23Z,   0.40,   4.43,  99.90,   4.71,  -0.13,
05/15 00Z,   0.40,   7.14,  99.90,   7.43,  -0.11,
05/15 01Z,   0.40,   9.37,  99.90,   9.66,  -0.11,
05/15 02Z,   0.40,  10.80,  99.90,  11.09,  -0.11,
05/15 03Z,   0.40,  11.36,  99.90,  11.65,  -0.11,  (max)
05/15 04Z,   0.40,  11.20,  99.90,  11.49,  -0.11,
05/15 05Z,   0.40,  10.53,  99.90,  10.82,  -0.11,
05/15 06Z,   0.40,   9.55,  99.90,   9.84,  -0.11,
05/15 07Z,   0.40,   8.56,  99.90,   8.85,  -0.11,
05/15 08Z,   0.40,   7.93,  99.90,   8.22,  -0.11,
05/15 09Z,   0.40,   7.85,  99.90,   8.14,  -0.11,  (min)
05/15 10Z,   0.40,   8.24,  99.90,   8.53,  -0.11,
05/15 11Z,   0.40,   8.82,  99.90,   9.11,  -0.11,
05/15 12Z,   0.40,   9.35,  99.90,   9.64,  -0.11,
05/15 13Z,   0.40,   9.55,  99.90,   9.85,  -0.11,  (max)
05/15 14Z,   0.40,   9.15,  99.90,   9.44,  -0.11,
05/15 15Z,   0.40,   7.95,  99.90,   8.25,  -0.11,
05/15 16Z,   0.40,   6.05,  99.90,   6.34,  -0.11,
05/15 17Z,   0.40,   3.70,  99.90,   3.99,  -0.11,
05/15 18Z,   0.40,   1.27,  99.90,   1.56,  -0.11,
05/15 19Z,   0.30,  -0.74,  99.90,  -0.55,  -0.11,
05/15 20Z,   0.40,  -1.77,  99.90,  -1.48,  -0.11,  (min)
05/15 21Z,   0.40,  -1.44,  99.90,  -1.14,  -0.11,
05/15 22Z,   0.40,   0.20,  99.90,   0.49,  -0.11,
05/15 23Z,   0.40,   2.67,  99.90,   2.96,  -0.11,
05/16 00Z,   0.40,   5.42,  99.90,   5.72,  -0.11,
05/16 01Z,   0.40,   7.98,  99.90,   8.28,  -0.11,
05/16 02Z,   0.40,   9.95,  99.90,  10.24,  -0.11,
05/16 03Z,   0.40,  11.08,  99.90,  11.37,  -0.11,
05/16 04Z,   0.40,  11.38,  99.90,  11.67,  -0.11,  (max)
05/16 05Z,   0.40,  11.04,  99.90,  11.33,  -0.11,
05/16 06Z,   0.40,  10.27,  99.90,  10.56,  -0.11,
05/16 07Z,   0.40,   9.30,  99.90,   9.59,  -0.11,
05/16 08Z,   0.40,   8.42,  99.90,   8.71,  -0.11,
05/16 09Z,   0.40,   7.96,  99.90,   8.25,  -0.11,  (min)
05/16 10Z,   0.40,   8.01,  99.90,   8.30,  -0.11,
05/16 11Z,   0.40,   8.41,  99.90,   8.70,  -0.11,
05/16 12Z,   0.40,   8.89,  99.90,   9.18,  -0.11,
05/16 13Z,   0.40,   9.23,  99.90,   9.52,  -0.11,  (max)
05/16 14Z,   0.40,   9.19,  99.90,   9.48,  -0.11,
05/16 15Z,   0.40,   8.54,  99.90,   8.83,  -0.11,
05/16 16Z,   0.40,   7.16,  99.90,   7.45,  -0.11,
05/16 17Z,   0.40,   5.17,  99.90,   5.46,  -0.11,
05/16 18Z,   0.40,   2.86,  99.90,   3.15,  -0.11,
05/16 19Z,   0.40,   0.61,  99.90,   0.91,  -0.11,
05/16 20Z,   0.40,  -1.07,  99.90,  -0.78,  -0.11,
05/16 21Z,   0.40,  -1.68,  99.90,  -1.38,  -0.11,  (min)
05/16 22Z,   0.40,  -0.93,  99.90,  -0.64,  -0.11,
05/16 23Z,   0.40,   0.97,  99.90,   1.26,  -0.11,
05/17 00Z,   0.40,   3.53,  99.90,   3.82,  -0.11,
05/17 01Z,   0.40,   6.20,  99.90,   6.49,  -0.11,
05/17 02Z,   0.40,   8.56,  99.90,   8.85,  -0.11,
05/17 03Z,   0.40,  10.28,  99.90,  10.57,  -0.11,
05/17 04Z,   0.40,  11.16,  99.90,  11.45,  -0.11,
05/17 05Z,   0.50,  11.26,  99.90,  11.65,  -0.11,  (max)
05/17 06Z,   0.50,  10.80,  99.90,  11.19,  -0.11,
05/17 07Z,   0.50,   9.99,  99.90,  10.38,  -0.11,
05/17 08Z,   0.50,   9.05,  99.90,   9.44,  -0.11,
05/17 09Z,   0.50,   8.26,  99.90,   8.66,  -0.11,
05/17 10Z,   0.50,   7.91,  99.90,   8.30,  -0.11,  (min)
05/17 11Z,   0.50,   8.02,  99.90,   8.41,  -0.11,
05/17 12Z,   0.50,   8.38,  99.90,   8.77,  -0.11,
05/17 13Z,   0.50,   8.75,  99.90,   9.14,  -0.11,
05/17 14Z,   0.50,   8.93,  99.90,   9.32,  -0.11,  (max)
05/17 15Z,   0.50,   8.74,  99.90,   9.13,  -0.11,
05/17 16Z,   0.60,   7.95,  99.90,   8.44,  -0.11,
05/17 17Z,   0.60,   6.50,  99.90,   6.99,  -0.11,
05/17 18Z,   0.60,   4.53,  99.90,   5.02,  -0.11,
05/17 19Z,   0.60,   2.34,  99.90,   2.83,  -0.11,
05/17 20Z,   0.60,   0.32,  99.90,   0.82,  -0.11,
05/17 21Z,   0.60,  -1.05,  99.90,  -0.55,  -0.11,
05/17 22Z,   0.60,  -1.31,  99.90,  -0.81,  -0.11,  (min)
05/17 23Z,   0.60,  -0.29,  99.90,   0.20,  -0.11,
05/18 00Z,   0.60,   1.73,  99.90,   2.22,  -0.11,