EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Alaska
Gulf of Alaska
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Elfin Cove, AK
Yakutat, AK
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Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Unalaska, AK
Surge List
Gulf of Alaska
#Neah Bay, WA : 04/22/2026 21:21:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 06Z,   0.60,   4.54,   4.82,  99.90,  -0.32,
04/21 07Z,   0.60,   5.70,   5.84,  99.90,  -0.46,
04/21 08Z,   0.60,   7.13,   7.23,  99.90,  -0.50,
04/21 09Z,   0.50,   8.43,   8.47,  99.90,  -0.46,
04/21 10Z,   0.50,   9.16,   9.18,  99.90,  -0.48,  (max)
04/21 11Z,   0.60,   9.07,   9.15,  99.90,  -0.52,
04/21 12Z,   0.60,   8.13,   8.38,  99.90,  -0.35,
04/21 13Z,   0.50,   6.50,   6.74,  99.90,  -0.26,
04/21 14Z,   0.60,   4.39,   4.51,  99.90,  -0.48,
04/21 15Z,   0.70,   2.16,   2.22,  99.90,  -0.64,
04/21 16Z,   0.60,   0.21,   0.38,  99.90,  -0.43,
04/21 17Z,   0.50,  -1.08,  -0.83,  99.90,  -0.25,
04/21 18Z,   0.60,  -1.52,  -1.56,  99.90,  -0.64,  (min)
04/21 19Z,   0.70,  -1.05,  -1.05,  99.90,  -0.70,
04/21 20Z,   0.70,   0.24,   0.46,  99.90,  -0.48,
04/21 21Z,   0.60,   2.05,   2.21,  99.90,  -0.44,
04/21 22Z,   0.60,   3.87,   4.07,  99.90,  -0.40,
04/21 23Z,   0.70,   5.24,   5.27,  99.90,  -0.67,
04/22 00Z,   0.70,   5.97,   6.00,  99.90,  -0.67,
04/22 01Z,   0.60,   6.07,   6.09,  99.90,  -0.58,  (max)
04/22 02Z,   0.60,   5.67,   5.86,  99.90,  -0.41,
04/22 03Z,   0.70,   5.00,   5.21,  99.90,  -0.49,
04/22 04Z,   0.70,   4.39,   4.56,  99.90,  -0.53,
04/22 05Z,   0.60,   4.11,   4.31,  99.90,  -0.40,  (min)
04/22 06Z,   0.50,   4.29,   4.56,  99.90,  -0.23,
04/22 07Z,   0.60,   4.92,   5.22,  99.90,  -0.30,
04/22 08Z,   0.60,   5.92,   6.16,  99.90,  -0.36,
04/22 09Z,   0.60,   7.11,   7.18,  99.90,  -0.53,
04/22 10Z,   0.60,   8.14,   8.19,  99.90,  -0.55,
04/22 11Z,   0.60,   8.65,   8.73,  99.90,  -0.52,  (max)
04/22 12Z,   0.60,   8.45,   8.60,  99.90,  -0.45,
04/22 13Z,   0.50,   7.55,   7.65,  99.90,  -0.40,
04/22 14Z,   0.60,   6.07,   6.19,  99.90,  -0.48,
04/22 15Z,   0.60,   4.19,   4.28,  99.90,  -0.51,
04/22 16Z,   0.60,   2.20,   2.36,  99.90,  -0.44,
04/22 17Z,   0.50,   0.48,   0.64,  99.90,  -0.34,
04/22 18Z,   0.50,  -0.66,  -0.49,  99.90,  -0.33,
04/22 19Z,   0.60,  -1.05,  -0.93,  99.90,  -0.48,  (min)
04/22 20Z,   0.50,  -0.63,  -0.57,  99.90,  -0.44,
04/22 21Z,   0.50,   0.52,   0.64,  99.90,  -0.38,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 22Z,   0.50,   2.12,  99.90,   2.23,  -0.39,
04/22 23Z,   0.50,   3.73,  99.90,   3.84,  -0.40,
04/23 00Z,   0.50,   4.98,  99.90,   5.07,  -0.41,
04/23 01Z,   0.40,   5.69,  99.90,   5.68,  -0.42,
04/23 02Z,   0.40,   5.88,  99.90,   5.85,  -0.42,  (max)
04/23 03Z,   0.50,   5.63,  99.90,   5.70,  -0.43,
04/23 04Z,   0.50,   5.13,  99.90,   5.18,  -0.44,
04/23 05Z,   0.40,   4.64,  99.90,   4.59,  -0.45,
04/23 06Z,   0.40,   4.41,  99.90,   4.35,  -0.46,  (min)
04/23 07Z,   0.40,   4.52,  99.90,   4.45,  -0.47,
04/23 08Z,   0.30,   4.98,  99.90,   4.80,  -0.48,
04/23 09Z,   0.30,   5.74,  99.90,   5.55,  -0.49,
04/23 10Z,   0.40,   6.67,  99.90,   6.58,  -0.49,
04/23 11Z,   0.30,   7.49,  99.90,   7.30,  -0.49,
04/23 12Z,   0.20,   7.90,  99.90,   7.61,  -0.49,  (max)
04/23 13Z,   0.30,   7.75,  99.90,   7.56,  -0.49,
04/23 14Z,   0.40,   7.03,  99.90,   6.94,  -0.49,
04/23 15Z,   0.30,   5.80,  99.90,   5.61,  -0.49,
04/23 16Z,   0.20,   4.19,  99.90,   3.90,  -0.49,
04/23 17Z,   0.30,   2.45,  99.90,   2.26,  -0.49,
04/23 18Z,   0.30,   0.92,  99.90,   0.73,  -0.49,
04/23 19Z,   0.30,  -0.11,  99.90,  -0.31,  -0.49,
04/23 20Z,   0.20,  -0.52,  99.90,  -0.81,  -0.49,  (min)
04/23 21Z,   0.30,  -0.21,  99.90,  -0.40,  -0.49,
04/23 22Z,   0.30,   0.77,  99.90,   0.58,  -0.49,
04/23 23Z,   0.30,   2.19,  99.90,   2.00,  -0.49,
04/24 00Z,   0.30,   3.66,  99.90,   3.47,  -0.49,
04/24 01Z,   0.30,   4.85,  99.90,   4.66,  -0.49,
04/24 02Z,   0.30,   5.61,  99.90,   5.42,  -0.49,
04/24 03Z,   0.40,   5.91,  99.90,   5.82,  -0.49,  (max)
04/24 04Z,   0.40,   5.77,  99.90,   5.68,  -0.49,
04/24 05Z,   0.30,   5.34,  99.90,   5.15,  -0.49,
04/24 06Z,   0.30,   4.87,  99.90,   4.68,  -0.49,
04/24 07Z,   0.30,   4.55,  99.90,   4.36,  -0.49,
04/24 08Z,   0.30,   4.48,  99.90,   4.28,  -0.49,  (min)
04/24 09Z,   0.40,   4.68,  99.90,   4.59,  -0.49,
04/24 10Z,   0.40,   5.18,  99.90,   5.09,  -0.49,
04/24 11Z,   0.40,   5.91,  99.90,   5.81,  -0.49,
04/24 12Z,   0.30,   6.63,  99.90,   6.44,  -0.49,
04/24 13Z,   0.40,   7.07,  99.90,   6.98,  -0.49,
04/24 14Z,   0.40,   7.09,  99.90,   7.00,  -0.49,  (max)
04/24 15Z,   0.40,   6.63,  99.90,   6.54,  -0.49,
04/24 16Z,   0.30,   5.68,  99.90,   5.49,  -0.49,
04/24 17Z,   0.40,   4.32,  99.90,   4.23,  -0.49,
04/24 18Z,   0.40,   2.79,  99.90,   2.70,  -0.49,
04/24 19Z,   0.40,   1.41,  99.90,   1.32,  -0.49,
04/24 20Z,   0.40,   0.41,  99.90,   0.32,  -0.49,
04/24 21Z,   0.40,  -0.04,  99.90,  -0.13,  -0.49,  (min)
04/24 22Z,   0.40,   0.17,  99.90,   0.07,  -0.49,
04/24 23Z,   0.40,   1.03,  99.90,   0.94,  -0.49,
04/25 00Z,   0.50,   2.35,  99.90,   2.36,  -0.49,
04/25 01Z,   0.40,   3.76,  99.90,   3.67,  -0.49,
04/25 02Z,   0.40,   4.97,  99.90,   4.88,  -0.49,
04/25 03Z,   0.50,   5.80,  99.90,   5.81,  -0.49,
04/25 04Z,   0.50,   6.17,  99.90,   6.18,  -0.49,  (max)
04/25 05Z,   0.40,   6.05,  99.90,   5.96,  -0.49,
04/25 06Z,   0.50,   5.57,  99.90,   5.58,  -0.49,
04/25 07Z,   0.50,   4.97,  99.90,   4.98,  -0.49,
04/25 08Z,   0.40,   4.45,  99.90,   4.36,  -0.49,
04/25 09Z,   0.50,   4.11,  99.90,   4.12,  -0.49,  (min)
04/25 10Z,   0.60,   4.04,  99.90,   4.15,  -0.49,
04/25 11Z,   0.50,   4.34,  99.90,   4.35,  -0.49,
04/25 12Z,   0.50,   4.97,  99.90,   4.98,  -0.49,
04/25 13Z,   0.60,   5.71,  99.90,   5.82,  -0.49,
04/25 14Z,   0.70,   6.30,  99.90,   6.51,  -0.49,
04/25 15Z,   0.60,   6.56,  99.90,   6.67,  -0.49,  (max)
04/25 16Z,   0.50,   6.37,  99.90,   6.38,  -0.49,
04/25 17Z,   0.60,   5.66,  99.90,   5.77,  -0.49,
04/25 18Z,   0.60,   4.50,  99.90,   4.61,  -0.49,
04/25 19Z,   0.60,   3.12,  99.90,   3.23,  -0.49,
04/25 20Z,   0.60,   1.83,  99.90,   1.94,  -0.49,
04/25 21Z,   0.60,   0.86,  99.90,   0.97,  -0.49,
04/25 22Z,   0.60,   0.38,  99.90,   0.49,  -0.49,  (min)
04/25 23Z,   0.60,   0.54,  99.90,   0.65,  -0.49,
04/26 00Z,   0.70,   1.38,  99.90,   1.59,  -0.49,
04/26 01Z,   0.60,   2.69,  99.90,   2.80,  -0.49,
04/26 02Z,   0.70,   4.13,  99.90,   4.34,  -0.49,
04/26 03Z,   0.70,   5.39,  99.90,   5.60,  -0.49,
04/26 04Z,   0.70,   6.24,  99.90,   6.45,  -0.49,
04/26 05Z,   0.70,   6.58,  99.90,   6.79,  -0.49,  (max)
04/26 06Z,   0.70,   6.35,  99.90,   6.56,  -0.49,
04/26 07Z,   0.60,   5.69,  99.90,   5.80,  -0.49,
04/26 08Z,   0.60,   4.86,  99.90,   4.97,  -0.49,
04/26 09Z,   0.70,   4.06,  99.90,   4.27,  -0.49,
04/26 10Z,   0.70,   3.44,  99.90,   3.65,  -0.49,
04/26 11Z,   0.60,   3.16,  99.90,   3.27,  -0.49,  (min)
04/26 12Z,   0.60,   3.36,  99.90,   3.47,  -0.49,
04/26 13Z,  99.90,   4.02,  99.90,  99.90,  -0.49,
04/26 14Z,  99.90,   4.90,  99.90,  99.90,  -0.49,
04/26 15Z,  99.90,   5.70,  99.90,  99.90,  -0.49,
04/26 16Z,  99.90,   6.20,  99.90,  99.90,  -0.49,
04/26 17Z,  99.90,   6.22,  99.90,  99.90,  -0.49,
04/26 18Z,  99.90,   5.68,  99.90,  99.90,  -0.49,