EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Anchorage, AK : 04/20/2026 06:21:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,  -0.10,   7.97,  99.90,   6.90,  -0.97,  (min)
04/18 13Z,  -0.10,  16.78,  99.90,  15.71,  -0.97,
04/18 14Z,  -0.10,  25.34,  99.90,  24.27,  -0.97,
04/18 15Z,  -0.10,  30.69,  99.90,  29.62,  -0.97,
04/18 16Z,  -0.10,  32.55,  99.90,  31.49,  -0.97,  (max)
04/18 17Z,   0.00,  30.94,  99.90,  29.97,  -0.97,
04/18 18Z,  -0.10,  26.55,  99.90,  25.48,  -0.97,
04/18 19Z,  -0.10,  20.74,  99.90,  19.67,  -0.97,
04/18 20Z,  -0.10,  14.38,  99.90,  13.31,  -0.97,
04/18 21Z,  -0.10,   8.12,  99.90,   7.05,  -0.97,
04/18 22Z,  -0.20,   2.44,  99.90,   1.28,  -0.97,
04/18 23Z,  -0.20,  -1.47,  99.90,  -2.64,  -0.97,  (min)
04/19 00Z,  -0.20,  -0.53,  99.90,  -1.70,  -0.97,
04/19 01Z,  -0.20,   6.61,  99.90,   5.45,  -0.97,
04/19 02Z,  -0.20,  16.30,  99.90,  15.13,  -0.97,
04/19 03Z,  -0.10,  24.23,  99.90,  23.16,  -0.97,
04/19 04Z,  -0.10,  29.18,  99.90,  28.11,  -0.97,
04/19 05Z,   0.00,  30.83,  99.90,  29.86,  -0.97,  (max)
04/19 06Z,   0.00,  29.07,  99.90,  28.10,  -0.97,
04/19 07Z,   0.00,  24.89,  99.90,  23.92,  -0.97,
04/19 08Z,   0.00,  19.41,  99.90,  18.45,  -0.97,
04/19 09Z,   0.00,  13.61,  99.90,  12.64,  -0.97,
04/19 10Z,   0.10,   8.45,  99.90,   7.58,  -0.97,
04/19 11Z,   0.10,   4.80,  99.90,   3.93,  -0.97,  (min)
04/19 12Z,   0.10,   4.87,  99.90,   4.00,  -0.97,
04/19 13Z,   0.20,  10.86,  99.90,  10.09,  -0.97,
04/19 14Z,   0.20,  20.42,  99.90,  19.65,  -0.97,
04/19 15Z,   0.20,  28.37,  99.90,  27.60,  -0.97,
04/19 16Z,   0.30,  32.40,  99.90,  31.73,  -0.97,
04/19 17Z,   0.30,  32.74,  99.90,  32.08,  -0.97,  (max)
04/19 18Z,   0.30,  29.81,  99.90,  29.14,  -0.97,
04/19 19Z,   0.30,  24.61,  99.90,  23.94,  -0.97,
04/19 20Z,   0.30,  18.42,  99.90,  17.75,  -0.97,
04/19 21Z,   0.20,  11.90,  99.90,  11.13,  -0.97,
04/19 22Z,   0.20,   5.73,  99.90,   4.96,  -0.97,
04/19 23Z,   0.20,   0.50,  99.90,  -0.27,  -0.97,
04/20 00Z,   0.30,  -2.26,  99.90,  -2.93,  -0.97,  (min)
04/20 01Z,   0.30,   0.43,  99.90,  -0.24,  -0.97,
04/20 02Z,   0.40,   8.82,  99.90,   8.26,  -0.97,
04/20 03Z,   0.50,  18.49,  99.90,  18.02,  -0.97,
04/20 04Z,   0.50,  25.60,  99.90,  25.13,  -0.97,
04/20 05Z,   0.50,  29.57,  99.90,  29.10,  -0.97,
04/20 06Z,   0.60,  30.34,  99.90,  29.98,  -0.97,  (max)
04/20 07Z,   0.60,  28.04,  99.90,  27.68,  -0.97,
04/20 08Z,   0.70,  23.65,  99.90,  23.38,  -0.97,
04/20 09Z,   0.80,  18.11,  99.90,  17.94,  -0.97,
04/20 10Z,   0.80,  12.42,  99.90,  12.25,  -0.97,
04/20 11Z,   0.80,   7.68,  99.90,   7.52,  -0.97,
04/20 12Z,   0.90,   4.95,  99.90,   4.88,  -0.97,  (min)
04/20 13Z,   0.90,   6.50,  99.90,   6.43,  -0.97,
04/20 14Z,   0.90,  13.73,  99.90,  13.67,  -0.97,
04/20 15Z,   1.00,  23.25,  99.90,  23.28,  -0.97,
04/20 16Z,   1.00,  30.03,  99.90,  30.07,  -0.97,
04/20 17Z,   1.10,  32.68,  99.90,  32.81,  -0.97,  (max)
04/20 18Z,   1.10,  31.87,  99.90,  32.01,  -0.97,
04/20 19Z,   1.10,  28.18,  99.90,  28.31,  -0.97,
04/20 20Z,   1.10,  22.67,  99.90,  22.80,  -0.97,
04/20 21Z,   1.00,  16.36,  99.90,  16.40,  -0.97,
04/20 22Z,   1.00,   9.90,  99.90,   9.94,  -0.97,
04/20 23Z,   0.90,   4.07,  99.90,   4.01,  -0.97,
04/21 00Z,   0.90,  -0.44,  99.90,  -0.51,  -0.97,
04/21 01Z,   0.90,  -1.97,  99.90,  -2.04,  -0.97,  (min)
04/21 02Z,   0.90,   2.10,  99.90,   2.03,  -0.97,
04/21 03Z,   0.90,  10.96,  99.90,  10.90,  -0.97,
04/21 04Z,   0.90,  19.89,  99.90,  19.83,  -0.97,
04/21 05Z,   0.80,  25.92,  99.90,  25.76,  -0.97,
04/21 06Z,   0.80,  29.07,  99.90,  28.90,  -0.97,
04/21 07Z,   0.70,  29.33,  99.90,  29.06,  -0.97,  (max)
04/21 08Z,   0.70,  26.85,  99.90,  26.58,  -0.97,
04/21 09Z,   0.60,  22.44,  99.90,  22.07,  -0.97,
04/21 10Z,   0.50,  16.97,  99.90,  16.50,  -0.97,
04/21 11Z,   0.50,  11.60,  99.90,  11.13,  -0.97,
04/21 12Z,   0.40,   7.47,  99.90,   6.90,  -0.97,
04/21 13Z,   0.30,   5.66,  99.90,   4.99,  -0.97,  (min)
04/21 14Z,   0.30,   8.32,  99.90,   7.65,  -0.97,
04/21 15Z,   0.30,  16.01,  99.90,  15.35,  -0.97,
04/21 16Z,   0.30,  24.70,  99.90,  24.03,  -0.97,
04/21 17Z,   0.30,  30.07,  99.90,  29.40,  -0.97,
04/21 18Z,   0.30,  31.63,  99.90,  30.96,  -0.97,  (max)
04/21 19Z,   0.20,  30.26,  99.90,  29.49,  -0.97,
04/21 20Z,   0.20,  26.41,  99.90,  25.64,  -0.97,
04/21 21Z,   0.10,  20.99,  99.90,  20.12,  -0.97,
04/21 22Z,   0.00,  14.87,  99.90,  13.90,  -0.97,
04/21 23Z,   0.00,   8.75,  99.90,   7.78,  -0.97,
04/22 00Z,   0.00,   3.51,  99.90,   2.54,  -0.97,
04/22 01Z,   0.00,  -0.22,  99.90,  -1.18,  -0.97,
04/22 02Z,   0.00,  -0.77,  99.90,  -1.74,  -0.97,  (min)
04/22 03Z,   0.00,   4.00,  99.90,   3.03,  -0.97,
04/22 04Z,   0.00,  12.49,  99.90,  11.52,  -0.97,
04/22 05Z,   0.00,  20.21,  99.90,  19.24,  -0.97,
04/22 06Z,   0.00,  25.22,  99.90,  24.25,  -0.97,
04/22 07Z,   0.00,  27.91,  99.90,  26.94,  -0.97,
04/22 08Z,   0.00,  28.08,  99.90,  27.11,  -0.97,  (max)
04/22 09Z,   0.00,  25.71,  99.90,  24.74,  -0.97,
04/22 10Z,  -0.10,  21.49,  99.90,  20.42,  -0.97,
04/22 11Z,  -0.10,  16.29,  99.90,  15.22,  -0.97,
04/22 12Z,  -0.10,  11.43,  99.90,  10.36,  -0.97,
04/22 13Z,  -0.10,   7.93,  99.90,   6.87,  -0.97,
04/22 14Z,  -0.10,   6.74,  99.90,   5.67,  -0.97,  (min)
04/22 15Z,  -0.10,   9.84,  99.90,   8.78,  -0.97,
04/22 16Z,  -0.10,  17.15,  99.90,  16.08,  -0.97,
04/22 17Z,  -0.10,  24.49,  99.90,  23.42,  -0.97,
04/22 18Z,  -0.10,  28.56,  99.90,  27.49,  -0.97,
04/22 19Z,  -0.20,  29.61,  99.90,  28.44,  -0.97,  (max)
04/22 20Z,  -0.20,  28.32,  99.90,  27.15,  -0.97,
04/22 21Z,  -0.20,  24.84,  99.90,  23.67,  -0.97,
04/22 22Z,  -0.30,  19.88,  99.90,  18.61,  -0.97,
04/22 23Z,  -0.30,  14.21,  99.90,  12.94,  -0.97,
04/23 00Z,  -0.40,   8.69,  99.90,   7.32,  -0.97,
04/23 01Z,  -0.40,   4.15,  99.90,   2.78,  -0.97,
04/23 02Z,  -0.40,   0.99,  99.90,  -0.38,  -0.97,
04/23 03Z,  -0.40,   0.86,  99.90,  -0.51,  -0.97,  (min)
04/23 04Z,  -0.40,   5.54,  99.90,   4.17,  -0.97,
04/23 05Z,  -0.40,  13.02,  99.90,  11.65,  -0.97,
04/23 06Z,  -0.40,  19.44,  99.90,  18.07,  -0.97,
04/23 07Z,  -0.40,  23.80,  99.90,  22.44,  -0.97,
04/23 08Z,  -0.40,  26.50,  99.90,  25.14,  -0.97,
04/23 09Z,  -0.50,  26.95,  99.90,  25.48,  -0.97,  (max)
04/23 10Z,  -0.50,  24.94,  99.90,  23.47,  -0.97,
04/23 11Z,  -0.50,  21.07,  99.90,  19.60,  -0.97,
04/23 12Z,  -0.50,  16.34,  99.90,  14.87,  -0.97,
04/23 13Z,  -0.50,  12.05,  99.90,  10.58,  -0.97,
04/23 14Z,  -0.50,   8.91,  99.90,   7.44,  -0.97,
04/23 15Z,  -0.50,   7.76,  99.90,   6.29,  -0.97,  (min)
04/23 16Z,  -0.40,  10.53,  99.90,   9.16,  -0.97,
04/23 17Z,  -0.40,  16.80,  99.90,  15.43,  -0.97,
04/23 18Z,  -0.40,  22.70,  99.90,  21.33,  -0.97,
04/23 19Z,  -0.50,  25.96,  99.90,  24.49,  -0.97,
04/23 20Z,  -0.50,  27.17,  99.90,  25.71,  -0.97,  (max)
04/23 21Z,  -0.60,  26.54,  99.90,  24.97,  -0.97,
04/23 22Z,  -0.60,  23.81,  99.90,  22.24,  -0.97,
04/23 23Z,  -0.70,  19.57,  99.90,  17.90,  -0.97,
04/24 00Z,  -0.70,  14.57,  99.90,  12.90,  -0.97,