EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Elfin Cove, AK
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Anchorage, AK
Kodiak Island, AK
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Sand Point, AK
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Unalaska, AK
Surge List
Gulf of Alaska
#Sand Point, AK : 05/21/2026 13:21:58 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 18Z,  -0.20, -11.07, -10.25,  99.90,   1.02,
05/19 19Z,  -0.20, -11.88, -11.24,  99.90,   0.84,  (min)
05/19 20Z,  -0.20, -11.76, -11.07,  99.90,   0.89,
05/19 21Z,  -0.20, -10.73, -10.05,  99.90,   0.88,
05/19 22Z,  -0.30,  -9.02,  -8.44,  99.90,   0.88,
05/19 23Z,  -0.30,  -7.09,  -6.55,  99.90,   0.84,
05/20 00Z,  -0.40,  -5.40,  -4.90,  99.90,   0.90,
05/20 01Z,  -0.40,  -4.24,  -3.75,  99.90,   0.89,
05/20 02Z,  -0.40,  -3.74,  -3.20,  99.90,   0.94,  (max)
05/20 03Z,  -0.30,  -3.92,  -3.40,  99.90,   0.82,
05/20 04Z,  -0.30,  -4.65,  -3.96,  99.90,   0.99,
05/20 05Z,  -0.30,  -5.58,  -4.88,  99.90,   1.00,
05/20 06Z,  -0.30,  -6.29,  -5.62,  99.90,   0.97,
05/20 07Z,  -0.30,  -6.53,  -5.82,  99.90,   1.01,  (min)
05/20 08Z,  -0.30,  -6.23,  -5.42,  99.90,   1.11,
05/20 09Z,  -0.30,  -5.37,  -4.61,  99.90,   1.06,
05/20 10Z,  -0.30,  -4.11,  -3.52,  99.90,   0.89,
05/20 11Z,  -0.30,  -2.78,  -2.20,  99.90,   0.88,
05/20 12Z,  -0.30,  -1.83,  -1.23,  99.90,   0.90,
05/20 13Z,  -0.40,  -1.55,  -0.98,  99.90,   0.97,  (max)
05/20 14Z,  -0.40,  -2.04,  -1.51,  99.90,   0.93,
05/20 15Z,  -0.40,  -3.29,  -2.74,  99.90,   0.95,
05/20 16Z,  -0.40,  -5.19,  -4.61,  99.90,   0.98,
05/20 17Z,  -0.40,  -7.37,  -6.70,  99.90,   1.07,
05/20 18Z,  -0.40,  -9.37,  -8.73,  99.90,   1.04,
05/20 19Z,  -0.40, -10.79, -10.16,  99.90,   1.03,
05/20 20Z,  -0.40, -11.42, -10.83,  99.90,   0.99,  (min)
05/20 21Z,  -0.40, -11.21, -10.55,  99.90,   1.06,
05/20 22Z,  -0.40, -10.17,  -9.47,  99.90,   1.10,
05/20 23Z,  -0.40,  -8.56,  -7.99,  99.90,   0.97,
05/21 00Z,  -0.40,  -6.80,  -6.36,  99.90,   0.84,
05/21 01Z,  -0.30,  -5.29,  -4.83,  99.90,   0.76,
05/21 02Z,  -0.30,  -4.26,  -3.67,  99.90,   0.89,
05/21 03Z,  -0.20,  -3.83,  -3.11,  99.90,   0.92,  (max)
05/21 04Z,  -0.10,  -4.02,  -3.33,  99.90,   0.79,
05/21 05Z,   0.00,  -4.70,  -3.89,  99.90,   0.81,
05/21 06Z,  -0.10,  -5.54,  -4.63,  99.90,   1.01,
05/21 07Z,  -0.10,  -6.17,  -5.29,  99.90,   0.98,
05/21 08Z,   0.00,  -6.40,  -5.56,  99.90,   0.84,  (min)
05/21 09Z,   0.00,  -6.15,  -5.30,  99.90,   0.85,
05/21 10Z,  -0.10,  -5.42,  -4.68,  99.90,   0.84,
05/21 11Z,  -0.10,  -4.33,  -3.55,  99.90,   0.88,
05/21 12Z,  -0.10,  -3.21,  -2.52,  99.90,   0.79,
05/21 13Z,  -0.10,  -2.44,  -1.83,  99.90,   0.71,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 14Z,  -0.10,  -2.25,  99.90,  -1.61,   0.74,  (max)
05/21 15Z,  -0.20,  -2.72,  99.90,  -2.16,   0.76,
05/21 16Z,  -0.30,  -3.84,  99.90,  -3.35,   0.79,
05/21 17Z,  -0.30,  -5.51,  99.90,  -5.00,   0.81,
05/21 18Z,  -0.30,  -7.41,  99.90,  -6.87,   0.84,
05/21 19Z,  -0.40,  -9.11,  99.90,  -8.65,   0.86,
05/21 20Z,  -0.40, -10.28,  99.90,  -9.80,   0.89,
05/21 21Z,  -0.40, -10.78,  99.90, -10.27,   0.91,  (min)
05/21 22Z,  -0.50, -10.53,  99.90, -10.09,   0.94,
05/21 23Z,  -0.50,  -9.55,  99.90,  -9.09,   0.97,
05/22 00Z,  -0.60,  -8.08,  99.90,  -7.69,   0.99,
05/22 01Z,  -0.60,  -6.49,  99.90,  -6.08,   1.02,
05/22 02Z,  -0.60,  -5.15,  99.90,  -4.73,   1.02,
05/22 03Z,  -0.60,  -4.22,  99.90,  -3.80,   1.02,
05/22 04Z,  -0.70,  -3.83,  99.90,  -3.51,   1.02,  (max)
05/22 05Z,  -0.70,  -4.01,  99.90,  -3.69,   1.02,
05/22 06Z,  -0.60,  -4.65,  99.90,  -4.23,   1.02,
05/22 07Z,  -0.60,  -5.43,  99.90,  -5.02,   1.02,
05/22 08Z,  -0.60,  -6.06,  99.90,  -5.64,   1.02,
05/22 09Z,  -0.70,  -6.35,  99.90,  -6.04,   1.02,  (min)
05/22 10Z,  -0.70,  -6.25,  99.90,  -5.93,   1.02,
05/22 11Z,  -0.70,  -5.71,  99.90,  -5.40,   1.02,
05/22 12Z,  -0.80,  -4.84,  99.90,  -4.62,   1.02,
05/22 13Z,  -0.90,  -3.91,  99.90,  -3.80,   1.02,
05/22 14Z,  -0.90,  -3.26,  99.90,  -3.15,   1.02,
05/22 15Z,  -0.90,  -3.07,  99.90,  -2.96,   1.02,  (max)
05/22 16Z,  -0.80,  -3.42,  99.90,  -3.20,   1.02,
05/22 17Z,  -0.80,  -4.32,  99.90,  -4.10,   1.02,
05/22 18Z,  -0.70,  -5.70,  99.90,  -5.39,   1.02,
05/22 19Z,  -0.70,  -7.28,  99.90,  -6.97,   1.02,
05/22 20Z,  -0.70,  -8.69,  99.90,  -8.37,   1.02,
05/22 21Z,  -0.70,  -9.66,  99.90,  -9.34,   1.02,
05/22 22Z,  -0.70, -10.06,  99.90,  -9.74,   1.02,  (min)
05/22 23Z,  -0.80,  -9.81,  99.90,  -9.59,   1.02,
05/23 00Z,  -0.80,  -8.91,  99.90,  -8.69,   1.02,
05/23 01Z,  -0.80,  -7.57,  99.90,  -7.36,   1.02,
05/23 02Z,  -0.80,  -6.14,  99.90,  -5.93,   1.02,
05/23 03Z,  -0.80,  -4.92,  99.90,  -4.70,   1.02,
05/23 04Z,  -0.90,  -4.06,  99.90,  -3.94,   1.02,
05/23 05Z,  -0.80,  -3.69,  99.90,  -3.47,   1.02,  (max)
05/23 06Z,  -0.70,  -3.88,  99.90,  -3.57,   1.02,
05/23 07Z,  -0.50,  -4.52,  99.90,  -4.01,   1.02,
05/23 08Z,  -0.50,  -5.33,  99.90,  -4.81,   1.02,
05/23 09Z,  -0.50,  -6.03,  99.90,  -5.52,   1.02,
05/23 10Z,  -0.60,  -6.48,  99.90,  -6.07,   1.02,
05/23 11Z,  -0.60,  -6.58,  99.90,  -6.16,   1.02,  (min)
05/23 12Z,  -0.70,  -6.25,  99.90,  -5.94,   1.02,
05/23 13Z,  -0.70,  -5.57,  99.90,  -5.25,   1.02,
05/23 14Z,  -0.70,  -4.78,  99.90,  -4.47,   1.02,
05/23 15Z,  -0.70,  -4.17,  99.90,  -3.85,   1.02,
05/23 16Z,  -0.70,  -3.90,  99.90,  -3.58,   1.02,  (max)
05/23 17Z,  -0.70,  -4.04,  99.90,  -3.73,   1.02,
05/23 18Z,  -0.60,  -4.68,  99.90,  -4.26,   1.02,
05/23 19Z,  -0.50,  -5.76,  99.90,  -5.24,   1.02,
05/23 20Z,  -0.40,  -7.04,  99.90,  -6.42,   1.02,
05/23 21Z,  -0.40,  -8.19,  99.90,  -7.57,   1.02,
05/23 22Z,  -0.40,  -8.99,  99.90,  -8.38,   1.02,
05/23 23Z,  -0.40,  -9.33,  99.90,  -8.72,   1.02,  (min)
05/24 00Z,  -0.50,  -9.09,  99.90,  -8.58,   1.02,
05/24 01Z,  -0.50,  -8.26,  99.90,  -7.74,   1.02,
05/24 02Z,  -0.60,  -7.03,  99.90,  -6.61,   1.02,
05/24 03Z,  -0.60,  -5.71,  99.90,  -5.30,   1.02,
05/24 04Z,  -0.60,  -4.57,  99.90,  -4.16,   1.02,
05/24 05Z,  -0.50,  -3.77,  99.90,  -3.25,   1.02,
05/24 06Z,  -0.40,  -3.45,  99.90,  -2.83,   1.02,  (max)
05/24 07Z,  -0.20,  -3.70,  99.90,  -2.88,   1.02,
05/24 08Z,  -0.10,  -4.41,  99.90,  -3.49,   1.02,
05/24 09Z,   0.00,  -5.32,  99.90,  -4.30,   1.02,
05/24 10Z,   0.00,  -6.18,  99.90,  -5.16,   1.02,
05/24 11Z,  -0.10,  -6.83,  99.90,  -5.91,   1.02,
05/24 12Z,  -0.20,  -7.14,  99.90,  -6.32,   1.02,  (min)
05/24 13Z,  -0.20,  -6.98,  99.90,  -6.17,   1.02,
05/24 14Z,  -0.20,  -6.42,  99.90,  -5.60,   1.02,
05/24 15Z,  -0.30,  -5.68,  99.90,  -4.97,   1.02,
05/24 16Z,  -0.40,  -5.02,  99.90,  -4.41,   1.02,
05/24 17Z,  -0.40,  -4.59,  99.90,  -3.97,   1.02,
05/24 18Z,  -0.40,  -4.51,  99.90,  -3.89,   1.02,  (max)
05/24 19Z,  -0.30,  -4.88,  99.90,  -4.17,   1.02,
05/24 20Z,  -0.30,  -5.70,  99.90,  -4.98,   1.02,
05/24 21Z,  -0.30,  -6.72,  99.90,  -6.00,   1.02,
05/24 22Z,  -0.30,  -7.67,  99.90,  -6.96,   1.02,
05/24 23Z,  -0.30,  -8.36,  99.90,  -7.65,   1.02,
05/25 00Z,  -0.40,  -8.65,  99.90,  -8.04,   1.02,  (min)
05/25 01Z,  -0.50,  -8.41,  99.90,  -7.89,   1.02,
05/25 02Z,  -0.50,  -7.60,  99.90,  -7.09,   1.02,
05/25 03Z,  -0.50,  -6.43,  99.90,  -5.92,   1.02,
05/25 04Z,  -0.50,  -5.19,  99.90,  -4.68,   1.02,
05/25 05Z,  -0.40,  -4.12,  99.90,  -3.50,   1.02,
05/25 06Z,  -0.40,  -3.39,  99.90,  -2.77,   1.02,