EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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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
#Ketchikan, AK : 04/22/2026 11:20:29 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 12Z,   0.00,   8.72,   8.74,  99.90,   0.02,  (max)
04/20 13Z,  -0.10,   5.46,   5.42,  99.90,   0.06,
04/20 14Z,  -0.10,   0.80,   0.76,  99.90,   0.06,
04/20 15Z,  -0.20,  -4.21,  -4.22,  99.90,   0.19,
04/20 16Z,  -0.20,  -8.40,  -8.34,  99.90,   0.26,
04/20 17Z,  -0.20, -10.77, -10.67,  99.90,   0.30,
04/20 18Z,  -0.10, -10.86, -10.87,  99.90,   0.09,  (min)
04/20 19Z,  -0.20,  -8.77,  -8.93,  99.90,   0.04,
04/20 20Z,  -0.30,  -5.14,  -5.36,  99.90,   0.08,
04/20 21Z,  -0.30,  -0.89,  -1.08,  99.90,   0.11,
04/20 22Z,  -0.30,   2.98,   2.88,  99.90,   0.20,
04/20 23Z,  -0.30,   5.63,   5.61,  99.90,   0.28,
04/21 00Z,  -0.10,   6.50,   6.44,  99.90,   0.04,  (max)
04/21 01Z,  -0.20,   5.47,   5.31,  99.90,   0.04,
04/21 02Z,  -0.30,   2.91,   2.71,  99.90,   0.10,
04/21 03Z,  -0.30,  -0.38,  -0.55,  99.90,   0.13,
04/21 04Z,  -0.30,  -3.34,  -3.46,  99.90,   0.18,
04/21 05Z,  -0.30,  -5.06,  -5.05,  99.90,   0.31,  (min)
04/21 06Z,  -0.20,  -5.02,  -4.94,  99.90,   0.28,
04/21 07Z,  -0.30,  -3.21,  -3.13,  99.90,   0.38,
04/21 08Z,  -0.40,  -0.14,  -0.07,  99.90,   0.47,
04/21 09Z,  -0.40,   3.42,   3.41,  99.90,   0.39,
04/21 10Z,  -0.40,   6.61,   6.54,  99.90,   0.33,
04/21 11Z,  -0.30,   8.66,   8.57,  99.90,   0.21,
04/21 12Z,  -0.20,   9.02,   8.93,  99.90,   0.11,  (max)
04/21 13Z,  -0.20,   7.45,   7.28,  99.90,   0.03,
04/21 14Z,  -0.30,   4.18,   3.90,  99.90,   0.02,
04/21 15Z,  -0.40,  -0.17,  -0.40,  99.90,   0.17,
04/21 16Z,  -0.40,  -4.61,  -4.82,  99.90,   0.19,
04/21 17Z,  -0.40,  -8.13,  -8.27,  99.90,   0.26,
04/21 18Z,  -0.30,  -9.95, -10.07,  99.90,   0.18,  (min)
04/21 19Z,  -0.30,  -9.75,  -9.92,  99.90,   0.13,
04/21 20Z,  -0.30,  -7.70,  -8.02,  99.90,  -0.02,
04/21 21Z,  -0.40,  -4.40,  -4.67,  99.90,   0.13,
04/21 22Z,  -0.40,  -0.66,  -0.95,  99.90,   0.11,
04/21 23Z,  -0.40,   2.65,   2.36,  99.90,   0.11,
04/22 00Z,  -0.20,   4.83,   4.52,  99.90,  -0.11,
04/22 01Z,  -0.20,   5.45,   5.08,  99.90,  -0.17,  (max)
04/22 02Z,  -0.30,   4.44,   4.05,  99.90,  -0.09,
04/22 03Z,  -0.40,   2.21,   1.83,  99.90,   0.02,
04/22 04Z,  -0.40,  -0.51,  -0.86,  99.90,   0.05,
04/22 05Z,  -0.50,  -2.84,  -3.17,  99.90,   0.17,
04/22 06Z,  -0.50,  -4.07,  -4.31,  99.90,   0.26,  (min)
04/22 07Z,  -0.50,  -3.81,  -4.03,  99.90,   0.28,
04/22 08Z,  -0.40,  -2.14,  -2.41,  99.90,   0.13,
04/22 09Z,  -0.40,   0.50,   0.13,  99.90,   0.03,
04/22 10Z,  -0.40,   3.47,   2.98,  99.90,  -0.09,
04/22 11Z,  -0.40,   6.04,   5.57,  99.90,  -0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 12Z,  -0.40,   7.60,  99.90,   7.14,  -0.06,
04/22 13Z,  -0.40,   7.69,  99.90,   7.25,  -0.04,  (max)
04/22 14Z,  -0.50,   6.17,  99.90,   5.64,  -0.03,
04/22 15Z,  -0.50,   3.24,  99.90,   2.73,  -0.01,
04/22 16Z,  -0.50,  -0.52,  99.90,  -1.01,   0.00,
04/22 17Z,  -0.50,  -4.29,  99.90,  -4.77,   0.02,
04/22 18Z,  -0.50,  -7.24,  99.90,  -7.71,   0.04,
04/22 19Z,  -0.60,  -8.75,  99.90,  -9.30,   0.05,  (min)
04/22 20Z,  -0.60,  -8.55,  99.90,  -9.08,   0.07,
04/22 21Z,  -0.60,  -6.81,  99.90,  -7.33,   0.08,
04/22 22Z,  -0.60,  -4.02,  99.90,  -4.52,   0.10,
04/22 23Z,  -0.60,  -0.85,  99.90,  -1.34,   0.12,
04/23 00Z,  -0.60,   1.99,  99.90,   1.50,   0.12,
04/23 01Z,  -0.60,   3.89,  99.90,   3.41,   0.12,
04/23 02Z,  -0.60,   4.50,  99.90,   4.01,   0.12,  (max)
04/23 03Z,  -0.60,   3.77,  99.90,   3.29,   0.12,
04/23 04Z,  -0.60,   2.03,  99.90,   1.55,   0.12,
04/23 05Z,  -0.60,  -0.12,  99.90,  -0.61,   0.12,
04/23 06Z,  -0.70,  -2.00,  99.90,  -2.59,   0.12,
04/23 07Z,  -0.70,  -3.04,  99.90,  -3.62,   0.12,  (min)
04/23 08Z,  -0.70,  -2.91,  99.90,  -3.50,   0.12,
04/23 09Z,  -0.70,  -1.67,  99.90,  -2.25,   0.12,
04/23 10Z,  -0.60,   0.38,  99.90,  -0.10,   0.12,
04/23 11Z,  -0.60,   2.74,  99.90,   2.26,   0.12,
04/23 12Z,  -0.60,   4.84,  99.90,   4.36,   0.12,
04/23 13Z,  -0.60,   6.16,  99.90,   5.67,   0.12,
04/23 14Z,  -0.60,   6.31,  99.90,   5.83,   0.12,  (max)
04/23 15Z,  -0.60,   5.15,  99.90,   4.66,   0.12,
04/23 16Z,  -0.70,   2.80,  99.90,   2.22,   0.12,
04/23 17Z,  -0.70,  -0.28,  99.90,  -0.87,   0.12,
04/23 18Z,  -0.70,  -3.47,  99.90,  -4.06,   0.12,
04/23 19Z,  -0.80,  -6.07,  99.90,  -6.75,   0.12,
04/23 20Z,  -0.80,  -7.53,  99.90,  -8.21,   0.12,
04/23 21Z,  -0.80,  -7.58,  99.90,  -8.27,   0.12,  (min)
04/23 22Z,  -0.70,  -6.29,  99.90,  -6.88,   0.12,
04/23 23Z,  -0.70,  -4.02,  99.90,  -4.60,   0.12,
04/24 00Z,  -0.60,  -1.30,  99.90,  -1.78,   0.12,
04/24 01Z,  -0.60,   1.27,  99.90,   0.79,   0.12,
04/24 02Z,  -0.60,   3.15,  99.90,   2.66,   0.12,
04/24 03Z,  -0.60,   3.97,  99.90,   3.49,   0.12,  (max)
04/24 04Z,  -0.60,   3.66,  99.90,   3.17,   0.12,
04/24 05Z,  -0.70,   2.39,  99.90,   1.81,   0.12,
04/24 06Z,  -0.80,   0.62,  99.90,  -0.06,   0.12,
04/24 07Z,  -0.80,  -1.10,  99.90,  -1.79,   0.12,
04/24 08Z,  -0.90,  -2.28,  99.90,  -3.06,   0.12,
04/24 09Z,  -0.90,  -2.57,  99.90,  -3.36,   0.12,  (min)
04/24 10Z,  -0.90,  -1.90,  99.90,  -2.69,   0.12,
04/24 11Z,  -0.80,  -0.45,  99.90,  -1.13,   0.12,
04/24 12Z,  -0.80,   1.45,  99.90,   0.76,   0.12,
04/24 13Z,  -0.70,   3.32,  99.90,   2.73,   0.12,
04/24 14Z,  -0.70,   4.70,  99.90,   4.12,   0.12,
04/24 15Z,  -0.70,   5.20,  99.90,   4.62,   0.12,  (max)
04/24 16Z,  -0.80,   4.59,  99.90,   3.90,   0.12,
04/24 17Z,  -0.90,   2.87,  99.90,   2.09,   0.12,
04/24 18Z,  -0.90,   0.35,  99.90,  -0.44,   0.12,
04/24 19Z,  -0.90,  -2.47,  99.90,  -3.26,   0.12,
04/24 20Z,  -0.90,  -4.97,  99.90,  -5.76,   0.12,
04/24 21Z,  -0.90,  -6.60,  99.90,  -7.38,   0.12,
04/24 22Z,  -0.80,  -7.01,  99.90,  -7.69,   0.12,  (min)
04/24 23Z,  -0.70,  -6.14,  99.90,  -6.73,   0.12,
04/25 00Z,  -0.60,  -4.23,  99.90,  -4.72,   0.12,
04/25 01Z,  -0.60,  -1.72,  99.90,  -2.21,   0.12,
04/25 02Z,  -0.60,   0.83,  99.90,   0.35,   0.12,
04/25 03Z,  -0.60,   2.90,  99.90,   2.41,   0.12,
04/25 04Z,  -0.60,   4.05,  99.90,   3.57,   0.12,  (max)
04/25 05Z,  -0.70,   4.10,  99.90,   3.52,   0.12,
04/25 06Z,  -0.70,   3.12,  99.90,   2.54,   0.12,
04/25 07Z,  -0.80,   1.43,  99.90,   0.75,   0.12,
04/25 08Z,  -0.80,  -0.47,  99.90,  -1.16,   0.12,
04/25 09Z,  -0.80,  -2.06,  99.90,  -2.75,   0.12,
04/25 10Z,  -0.70,  -2.91,  99.90,  -3.49,   0.12,  (min)
04/25 11Z,  -0.70,  -2.80,  99.90,  -3.39,   0.12,
04/25 12Z,  -0.60,  -1.78,  99.90,  -2.26,   0.12,
04/25 13Z,  -0.50,  -0.09,  99.90,  -0.47,   0.12,
04/25 14Z,  -0.50,   1.86,  99.90,   1.47,   0.12,
04/25 15Z,  -0.50,   3.56,  99.90,   3.18,   0.12,
04/25 16Z,  -0.50,   4.56,  99.90,   4.18,   0.12,  (max)
04/25 17Z,  -0.60,   4.51,  99.90,   4.02,   0.12,
04/25 18Z,  -0.70,   3.29,  99.90,   2.70,   0.12,
04/25 19Z,  -0.70,   1.09,  99.90,   0.51,   0.12,
04/25 20Z,  -0.70,  -1.62,  99.90,  -2.21,   0.12,
04/25 21Z,  -0.70,  -4.24,  99.90,  -4.82,   0.12,
04/25 22Z,  -0.60,  -6.12,  99.90,  -6.60,   0.12,
04/25 23Z,  -0.50,  -6.83,  99.90,  -7.21,   0.12,  (min)
04/26 00Z,  -0.40,  -6.20,  99.90,  -6.48,   0.12,