EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
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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 : 07/11/2025 17:22:21 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 00Z,   0.20,  10.27,  10.49,  99.90,   0.02,
07/10 01Z,   0.20,  11.15,  11.26,  99.90,  -0.09,  (max)
07/10 02Z,   0.20,  11.37,  11.22,  99.90,  -0.35,
07/10 03Z,   0.20,  10.98,  10.76,  99.90,  -0.42,
07/10 04Z,   0.20,  10.12,   9.99,  99.90,  -0.33,
07/10 05Z,   0.20,   9.13,   9.13,  99.90,  -0.20,
07/10 06Z,   0.20,   8.41,   8.42,  99.90,  -0.19,
07/10 07Z,   0.20,   8.16,   8.26,  99.90,  -0.10,  (min)
07/10 08Z,   0.20,   8.38,   8.59,  99.90,   0.01,
07/10 09Z,   0.20,   8.90,   9.15,  99.90,   0.05,
07/10 10Z,   0.20,   9.48,   9.72,  99.90,   0.04,
07/10 11Z,   0.20,   9.77,  10.03,  99.90,   0.06,  (max)
07/10 12Z,   0.10,   9.41,   9.74,  99.90,   0.23,
07/10 13Z,   0.10,   8.22,   8.56,  99.90,   0.24,
07/10 14Z,   0.10,   6.29,   6.65,  99.90,   0.26,
07/10 15Z,   0.10,   3.85,   4.09,  99.90,   0.14,
07/10 16Z,   0.10,   1.25,   1.36,  99.90,   0.01,
07/10 17Z,   0.10,  -0.93,  -0.83,  99.90,   0.00,
07/10 18Z,   0.10,  -2.08,  -1.98,  99.90,  -0.00,  (min)
07/10 19Z,   0.10,  -1.85,  -1.61,  99.90,   0.14,
07/10 20Z,   0.10,  -0.35,  -0.09,  99.90,   0.16,
07/10 21Z,   0.10,   2.03,   2.26,  99.90,   0.13,
07/10 22Z,   0.10,   4.80,   5.11,  99.90,   0.21,
07/10 23Z,   0.10,   7.47,   7.79,  99.90,   0.22,
07/11 00Z,   0.10,   9.60,   9.77,  99.90,   0.07,
07/11 01Z,   0.10,  10.94,  10.95,  99.90,  -0.09,
07/11 02Z,   0.10,  11.50,  11.43,  99.90,  -0.17,  (max)
07/11 03Z,   0.10,  11.37,  11.16,  99.90,  -0.31,
07/11 04Z,   0.10,  10.65,  10.47,  99.90,  -0.28,
07/11 05Z,   0.10,   9.58,   9.54,  99.90,  -0.14,
07/11 06Z,   0.10,   8.56,   8.60,  99.90,  -0.06,
07/11 07Z,   0.10,   7.98,   8.09,  99.90,   0.01,  (min)
07/11 08Z,   0.10,   7.98,   8.12,  99.90,   0.04,
07/11 09Z,   0.10,   8.41,   8.69,  99.90,   0.18,
07/11 10Z,   0.10,   9.07,   9.36,  99.90,   0.19,
07/11 11Z,   0.10,   9.65,   9.97,  99.90,   0.22,
07/11 12Z,   0.10,   9.79,  10.20,  99.90,   0.31,  (max)
07/11 13Z,   0.10,   9.16,   9.58,  99.90,   0.32,
07/11 14Z,   0.10,   7.69,   8.10,  99.90,   0.31,
07/11 15Z,   0.10,   5.50,   5.87,  99.90,   0.27,
07/11 16Z,   0.10,   2.88,   3.07,  99.90,   0.09,
07/11 17Z,   0.10,   0.28,   0.29,  99.90,  -0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 18Z,   0.10,  -1.67,  99.90,  -1.66,  -0.09,
07/11 19Z,   0.10,  -2.39,  99.90,  -2.37,  -0.08,  (min)
07/11 20Z,   0.10,  -1.65,  99.90,  -1.62,  -0.07,
07/11 21Z,   0.10,   0.32,  99.90,   0.36,  -0.06,
07/11 22Z,   0.10,   3.03,  99.90,   3.07,  -0.06,
07/11 23Z,   0.10,   5.94,  99.90,   5.99,  -0.05,
07/12 00Z,   0.10,   8.54,  99.90,   8.60,  -0.04,
07/12 01Z,   0.10,  10.44,  99.90,  10.50,  -0.04,
07/12 02Z,   0.10,  11.45,  99.90,  11.52,  -0.03,
07/12 03Z,   0.10,  11.63,  99.90,  11.71,  -0.02,  (max)
07/12 04Z,   0.20,  11.12,  99.90,  11.30,  -0.01,
07/12 05Z,   0.20,  10.08,  99.90,  10.27,  -0.01,
07/12 06Z,   0.20,   8.85,  99.90,   9.04,  -0.01,
07/12 07Z,   0.20,   7.88,  99.90,   8.07,  -0.01,
07/12 08Z,   0.20,   7.51,  99.90,   7.70,  -0.01,  (min)
07/12 09Z,   0.20,   7.76,  99.90,   7.96,  -0.01,
07/12 10Z,   0.20,   8.42,  99.90,   8.61,  -0.01,
07/12 11Z,   0.20,   9.18,  99.90,   9.37,  -0.01,
07/12 12Z,   0.20,   9.72,  99.90,   9.92,  -0.01,  (max)
07/12 13Z,   0.20,   9.69,  99.90,   9.88,  -0.01,
07/12 14Z,   0.20,   8.81,  99.90,   9.00,  -0.01,
07/12 15Z,   0.20,   7.08,  99.90,   7.27,  -0.01,
07/12 16Z,   0.20,   4.70,  99.90,   4.89,  -0.01,
07/12 17Z,   0.20,   2.02,  99.90,   2.21,  -0.01,
07/12 18Z,   0.20,  -0.45,  99.90,  -0.26,  -0.01,
07/12 19Z,   0.20,  -2.07,  99.90,  -1.88,  -0.01,
07/12 20Z,   0.20,  -2.30,  99.90,  -2.10,  -0.01,  (min)
07/12 21Z,   0.20,  -1.04,  99.90,  -0.85,  -0.01,
07/12 22Z,   0.20,   1.32,  99.90,   1.51,  -0.01,
07/12 23Z,   0.20,   4.24,  99.90,   4.43,  -0.01,
07/13 00Z,   0.20,   7.16,  99.90,   7.36,  -0.01,
07/13 01Z,   0.20,   9.60,  99.90,   9.79,  -0.01,
07/13 02Z,   0.20,  11.18,  99.90,  11.37,  -0.01,
07/13 03Z,   0.20,  11.79,  99.90,  11.99,  -0.01,  (max)
07/13 04Z,   0.20,  11.55,  99.90,  11.74,  -0.01,
07/13 05Z,   0.20,  10.63,  99.90,  10.82,  -0.01,
07/13 06Z,   0.20,   9.30,  99.90,   9.49,  -0.01,
07/13 07Z,   0.20,   7.96,  99.90,   8.15,  -0.01,
07/13 08Z,   0.20,   7.08,  99.90,   7.28,  -0.01,
07/13 09Z,   0.20,   6.95,  99.90,   7.14,  -0.01,  (min)
07/13 10Z,   0.20,   7.45,  99.90,   7.65,  -0.01,
07/13 11Z,   0.20,   8.29,  99.90,   8.49,  -0.01,
07/13 12Z,   0.20,   9.13,  99.90,   9.32,  -0.01,
07/13 13Z,   0.20,   9.62,  99.90,   9.81,  -0.01,  (max)
07/13 14Z,   0.20,   9.42,  99.90,   9.62,  -0.01,
07/13 15Z,   0.20,   8.34,  99.90,   8.54,  -0.01,
07/13 16Z,   0.20,   6.45,  99.90,   6.64,  -0.01,
07/13 17Z,   0.20,   4.01,  99.90,   4.20,  -0.01,
07/13 18Z,   0.20,   1.42,  99.90,   1.61,  -0.01,
07/13 19Z,   0.20,  -0.79,  99.90,  -0.60,  -0.01,
07/13 20Z,   0.10,  -1.96,  99.90,  -1.87,  -0.01,  (min)
07/13 21Z,   0.10,  -1.68,  99.90,  -1.59,  -0.01,
07/13 22Z,   0.10,   0.01,  99.90,   0.11,  -0.01,
07/13 23Z,   0.10,   2.65,  99.90,   2.74,  -0.01,
07/14 00Z,   0.10,   5.64,  99.90,   5.73,  -0.01,
07/14 01Z,   0.10,   8.44,  99.90,   8.53,  -0.01,
07/14 02Z,   0.20,  10.58,  99.90,  10.78,  -0.01,
07/14 03Z,   0.20,  11.76,  99.90,  11.95,  -0.01,
07/14 04Z,   0.20,  11.91,  99.90,  12.10,  -0.01,  (max)
07/14 05Z,   0.20,  11.20,  99.90,  11.40,  -0.01,
07/14 06Z,   0.20,   9.89,  99.90,  10.08,  -0.01,
07/14 07Z,   0.20,   8.30,  99.90,   8.49,  -0.01,
07/14 08Z,   0.20,   6.90,  99.90,   7.09,  -0.01,
07/14 09Z,   0.20,   6.15,  99.90,   6.35,  -0.01,  (min)
07/14 10Z,   0.20,   6.25,  99.90,   6.44,  -0.01,
07/14 11Z,   0.20,   6.97,  99.90,   7.17,  -0.01,
07/14 12Z,   0.20,   7.97,  99.90,   8.16,  -0.01,
07/14 13Z,   0.20,   8.86,  99.90,   9.06,  -0.01,
07/14 14Z,   0.20,   9.32,  99.90,   9.51,  -0.01,  (max)
07/14 15Z,   0.20,   9.02,  99.90,   9.22,  -0.01,
07/14 16Z,   0.20,   7.85,  99.90,   8.04,  -0.01,
07/14 17Z,   0.20,   5.94,  99.90,   6.13,  -0.01,
07/14 18Z,   0.10,   3.59,  99.90,   3.69,  -0.01,
07/14 19Z,   0.10,   1.24,  99.90,   1.34,  -0.01,
07/14 20Z,   0.10,  -0.57,  99.90,  -0.47,  -0.01,
07/14 21Z,   0.10,  -1.25,  99.90,  -1.16,  -0.01,  (min)
07/14 22Z,   0.10,  -0.50,  99.90,  -0.41,  -0.01,
07/14 23Z,   0.10,   1.50,  99.90,   1.59,  -0.01,
07/15 00Z,   0.10,   4.24,  99.90,   4.33,  -0.01,
07/15 01Z,   0.10,   7.13,  99.90,   7.22,  -0.01,
07/15 02Z,   0.10,   9.66,  99.90,   9.75,  -0.01,
07/15 03Z,   0.10,  11.40,  99.90,  11.50,  -0.01,
07/15 04Z,   0.20,  12.09,  99.90,  12.29,  -0.01,  (max)
07/15 05Z,   0.20,  11.75,  99.90,  11.94,  -0.01,
07/15 06Z,   0.20,  10.58,  99.90,  10.77,  -0.01,
07/15 07Z,   0.20,   8.90,  99.90,   9.09,  -0.01,
07/15 08Z,   0.20,   7.09,  99.90,   7.28,  -0.01,
07/15 09Z,   0.20,   5.67,  99.90,   5.87,  -0.01,
07/15 10Z,   0.20,   5.07,  99.90,   5.26,  -0.01,  (min)
07/15 11Z,   0.20,   5.37,  99.90,   5.56,  -0.01,
07/15 12Z,   0.20,   6.28,  99.90,   6.47,  -0.01,