EXTRA-TROPICAL  STORM  SURGE
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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
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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
#Kodiak Island, AK : 04/21/2026 19:21:17 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 00Z,  -0.30,   7.41,   6.69,  99.90,  -0.42,
04/20 01Z,  -0.30,   7.46,   6.76,  99.90,  -0.40,  (max)
04/20 02Z,  -0.40,   6.61,   6.23,  99.90,   0.02,
04/20 03Z,  -0.40,   5.13,   4.74,  99.90,   0.01,
04/20 04Z,  -0.40,   3.44,   2.87,  99.90,  -0.17,
04/20 05Z,  -0.40,   2.10,   1.60,  99.90,  -0.10,
04/20 06Z,  -0.40,   1.65,   1.44,  99.90,   0.19,  (min)
04/20 07Z,  -0.40,   2.30,   2.08,  99.90,   0.18,
04/20 08Z,  -0.40,   3.86,   3.51,  99.90,   0.05,
04/20 09Z,  -0.30,   5.94,   5.62,  99.90,  -0.02,
04/20 10Z,  -0.30,   8.07,   7.75,  99.90,  -0.02,
04/20 11Z,  -0.30,   9.74,   9.27,  99.90,  -0.17,
04/20 12Z,  -0.30,  10.46,   9.80,  99.90,  -0.36,  (max)
04/20 13Z,  -0.30,   9.96,   9.26,  99.90,  -0.40,
04/20 14Z,  -0.30,   8.34,   7.68,  99.90,  -0.36,
04/20 15Z,  -0.30,   5.90,   5.14,  99.90,  -0.46,
04/20 16Z,  -0.30,   3.07,   2.29,  99.90,  -0.48,
04/20 17Z,  -0.30,   0.45,  -0.21,  99.90,  -0.36,
04/20 18Z,  -0.30,  -1.34,  -1.74,  99.90,  -0.10,
04/20 19Z,  -0.30,  -1.89,  -2.35,  99.90,  -0.16,  (min)
04/20 20Z,  -0.30,  -1.23,  -2.01,  99.90,  -0.48,
04/20 21Z,  -0.30,   0.32,  -0.53,  99.90,  -0.55,
04/20 22Z,  -0.40,   2.37,   1.78,  99.90,  -0.19,
04/20 23Z,  -0.40,   4.46,   3.94,  99.90,  -0.12,
04/21 00Z,  -0.40,   6.11,   5.59,  99.90,  -0.12,
04/21 01Z,  -0.40,   6.94,   6.46,  99.90,  -0.08,  (max)
04/21 02Z,  -0.40,   6.86,   6.32,  99.90,  -0.14,
04/21 03Z,  -0.40,   6.04,   5.50,  99.90,  -0.14,
04/21 04Z,  -0.40,   4.73,   4.10,  99.90,  -0.23,
04/21 05Z,  -0.40,   3.33,   2.78,  99.90,  -0.15,
04/21 06Z,  -0.40,   2.35,   1.94,  99.90,  -0.01,  (min)
04/21 07Z,  -0.40,   2.22,   1.98,  99.90,   0.16,
04/21 08Z,  -0.40,   3.05,   2.78,  99.90,   0.13,
04/21 09Z,  -0.40,   4.61,   4.14,  99.90,  -0.07,
04/21 10Z,  -0.40,   6.50,   5.91,  99.90,  -0.19,
04/21 11Z,  -0.40,   8.33,   7.67,  99.90,  -0.26,
04/21 12Z,  -0.40,   9.65,   9.01,  99.90,  -0.24,
04/21 13Z,  -0.40,  10.03,   9.37,  99.90,  -0.26,  (max)
04/21 14Z,  -0.50,   9.32,   8.70,  99.90,  -0.12,
04/21 15Z,  -0.50,   7.65,   7.12,  99.90,  -0.03,
04/21 16Z,  -0.50,   5.32,   4.62,  99.90,  -0.20,
04/21 17Z,  -0.50,   2.75,   1.89,  99.90,  -0.36,
04/21 18Z,  -0.40,   0.45,  -0.14,  99.90,  -0.19,
04/21 19Z,  -0.50,  -1.02,  -1.47,  99.90,   0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 20Z,  -0.50,  -1.36,  99.90,  -1.83,   0.04,  (min)
04/21 21Z,  -0.50,  -0.68,  99.90,  -1.16,   0.02,
04/21 22Z,  -0.50,   0.73,  99.90,   0.24,   0.01,
04/21 23Z,  -0.40,   2.52,  99.90,   2.12,  -0.00,
04/22 00Z,  -0.50,   4.32,  99.90,   3.80,  -0.01,
04/22 01Z,  -0.50,   5.70,  99.90,   5.18,  -0.03,
04/22 02Z,  -0.50,   6.38,  99.90,   5.84,  -0.04,  (max)
04/22 03Z,  -0.50,   6.30,  99.90,   5.75,  -0.05,
04/22 04Z,  -0.50,   5.62,  99.90,   5.06,  -0.06,
04/22 05Z,  -0.50,   4.57,  99.90,   3.99,  -0.07,
04/22 06Z,  -0.60,   3.46,  99.90,   2.78,  -0.09,
04/22 07Z,  -0.50,   2.76,  99.90,   2.16,  -0.10,  (min)
04/22 08Z,  -0.50,   2.80,  99.90,   2.20,  -0.10,
04/22 09Z,  -0.50,   3.62,  99.90,   3.02,  -0.10,
04/22 10Z,  -0.50,   4.98,  99.90,   4.38,  -0.10,
04/22 11Z,  -0.50,   6.57,  99.90,   5.97,  -0.10,
04/22 12Z,  -0.50,   8.07,  99.90,   7.47,  -0.10,
04/22 13Z,  -0.60,   9.09,  99.90,   8.39,  -0.10,
04/22 14Z,  -0.50,   9.30,  99.90,   8.70,  -0.10,  (max)
04/22 15Z,  -0.50,   8.57,  99.90,   7.97,  -0.10,
04/22 16Z,  -0.50,   7.05,  99.90,   6.45,  -0.10,
04/22 17Z,  -0.60,   5.00,  99.90,   4.30,  -0.10,
04/22 18Z,  -0.60,   2.77,  99.90,   2.07,  -0.10,
04/22 19Z,  -0.60,   0.80,  99.90,   0.10,  -0.10,
04/22 20Z,  -0.60,  -0.43,  99.90,  -1.13,  -0.10,
04/22 21Z,  -0.60,  -0.71,  99.90,  -1.41,  -0.10,  (min)
04/22 22Z,  -0.60,  -0.15,  99.90,  -0.85,  -0.10,
04/22 23Z,  -0.60,   1.01,  99.90,   0.31,  -0.10,
04/23 00Z,  -0.60,   2.51,  99.90,   1.81,  -0.10,
04/23 01Z,  -0.60,   4.05,  99.90,   3.35,  -0.10,
04/23 02Z,  -0.60,   5.26,  99.90,   4.56,  -0.10,
04/23 03Z,  -0.60,   5.90,  99.90,   5.20,  -0.10,  (max)
04/23 04Z,  -0.70,   5.93,  99.90,   5.13,  -0.10,
04/23 05Z,  -0.70,   5.47,  99.90,   4.67,  -0.10,
04/23 06Z,  -0.70,   4.67,  99.90,   3.87,  -0.10,
04/23 07Z,  -0.70,   3.79,  99.90,   2.99,  -0.10,
04/23 08Z,  -0.70,   3.22,  99.90,   2.42,  -0.10,  (min)
04/23 09Z,  -0.70,   3.24,  99.90,   2.44,  -0.10,
04/23 10Z,  -0.70,   3.87,  99.90,   3.07,  -0.10,
04/23 11Z,  -0.70,   4.92,  99.90,   4.12,  -0.10,
04/23 12Z,  -0.70,   6.17,  99.90,   5.37,  -0.10,
04/23 13Z,  -0.70,   7.39,  99.90,   6.59,  -0.10,
04/23 14Z,  -0.80,   8.24,  99.90,   7.34,  -0.10,
04/23 15Z,  -0.80,   8.43,  99.90,   7.53,  -0.10,  (max)
04/23 16Z,  -0.80,   7.85,  99.90,   6.95,  -0.10,
04/23 17Z,  -0.90,   6.63,  99.90,   5.63,  -0.10,
04/23 18Z,  -0.90,   4.94,  99.90,   3.94,  -0.10,
04/23 19Z,  -0.80,   3.05,  99.90,   2.15,  -0.10,
04/23 20Z,  -0.80,   1.35,  99.90,   0.45,  -0.10,
04/23 21Z,  -0.80,   0.24,  99.90,  -0.66,  -0.10,
04/23 22Z,  -0.80,  -0.10,  99.90,  -1.00,  -0.10,  (min)
04/23 23Z,  -0.80,   0.25,  99.90,  -0.65,  -0.10,
04/24 00Z,  -0.70,   1.14,  99.90,   0.34,  -0.10,
04/24 01Z,  -0.70,   2.41,  99.90,   1.61,  -0.10,
04/24 02Z,  -0.80,   3.80,  99.90,   2.90,  -0.10,
04/24 03Z,  -0.70,   4.96,  99.90,   4.16,  -0.10,
04/24 04Z,  -0.70,   5.67,  99.90,   4.87,  -0.10,
04/24 05Z,  -0.70,   5.88,  99.90,   5.09,  -0.10,  (max)
04/24 06Z,  -0.70,   5.64,  99.90,   4.84,  -0.10,
04/24 07Z,  -0.70,   5.00,  99.90,   4.21,  -0.10,
04/24 08Z,  -0.70,   4.21,  99.90,   3.41,  -0.10,
04/24 09Z,  -0.70,   3.59,  99.90,   2.79,  -0.10,
04/24 10Z,  -0.70,   3.42,  99.90,   2.62,  -0.10,  (min)
04/24 11Z,  -0.70,   3.73,  99.90,   2.93,  -0.10,
04/24 12Z,  -0.70,   4.43,  99.90,   3.63,  -0.10,
04/24 13Z,  -0.80,   5.40,  99.90,   4.50,  -0.10,
04/24 14Z,  -0.90,   6.46,  99.90,   5.46,  -0.10,
04/24 15Z,  -0.90,   7.29,  99.90,   6.29,  -0.10,
04/24 16Z,  -0.90,   7.61,  99.90,   6.61,  -0.10,  (max)
04/24 17Z,  -1.00,   7.31,  99.90,   6.21,  -0.10,
04/24 18Z,  -1.00,   6.44,  99.90,   5.34,  -0.10,
04/24 19Z,  -1.00,   5.09,  99.90,   3.99,  -0.10,
04/24 20Z,  -1.00,   3.47,  99.90,   2.37,  -0.10,
04/24 21Z,  -1.00,   1.92,  99.90,   0.82,  -0.10,
04/24 22Z,  -1.00,   0.81,  99.90,  -0.29,  -0.10,
04/24 23Z,  -1.00,   0.34,  99.90,  -0.76,  -0.10,  (min)
04/25 00Z,  -1.00,   0.48,  99.90,  -0.62,  -0.10,
04/25 01Z,  -1.00,   1.19,  99.90,   0.09,  -0.10,
04/25 02Z,  -1.00,   2.35,  99.90,   1.25,  -0.10,
04/25 03Z,  -1.00,   3.72,  99.90,   2.62,  -0.10,
04/25 04Z,  -1.00,   4.95,  99.90,   3.85,  -0.10,
04/25 05Z,  -1.00,   5.80,  99.90,   4.70,  -0.10,
04/25 06Z,  -1.00,   6.18,  99.90,   5.08,  -0.10,  (max)
04/25 07Z,  -0.90,   6.06,  99.90,   5.06,  -0.10,
04/25 08Z,  -0.90,   5.45,  99.90,   4.45,  -0.10,
04/25 09Z,  -0.90,   4.55,  99.90,   3.55,  -0.10,
04/25 10Z,  -0.90,   3.72,  99.90,   2.72,  -0.10,
04/25 11Z,  -0.90,   3.25,  99.90,   2.25,  -0.10,
04/25 12Z,  -0.90,   3.22,  99.90,   2.22,  -0.10,