EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Anchorage, AK : 04/18/2026 17:21:14 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 00Z,  -0.40,  11.56,  99.90,  10.37,  -0.79,
04/17 01Z,  -0.40,  19.50,  99.90,  18.31,  -0.79,
04/17 02Z,  -0.40,  25.73,  99.90,  24.53,  -0.79,
04/17 03Z,  -0.40,  29.48,  99.90,  28.28,  -0.79,
04/17 04Z,  -0.40,  29.74,  99.90,  28.55,  -0.79,  (max)
04/17 05Z,  -0.40,  26.80,  99.90,  25.61,  -0.79,
04/17 06Z,  -0.40,  21.89,  99.90,  20.70,  -0.79,
04/17 07Z,  -0.40,  16.20,  99.90,  15.01,  -0.79,
04/17 08Z,  -0.40,  10.72,  99.90,   9.53,  -0.79,
04/17 09Z,  -0.30,   5.93,  99.90,   4.84,  -0.79,
04/17 10Z,  -0.30,   3.22,  99.90,   2.13,  -0.79,  (min)
04/17 11Z,  -0.30,   5.52,  99.90,   4.43,  -0.79,
04/17 12Z,  -0.30,  12.98,  99.90,  11.89,  -0.79,
04/17 13Z,  -0.30,  21.47,  99.90,  20.38,  -0.79,
04/17 14Z,  -0.20,  27.75,  99.90,  26.76,  -0.79,
04/17 15Z,  -0.20,  31.16,  99.90,  30.17,  -0.79,
04/17 16Z,  -0.20,  31.26,  99.90,  30.27,  -0.79,  (max)
04/17 17Z,  -0.20,  28.14,  99.90,  27.15,  -0.79,
04/17 18Z,  -0.20,  23.05,  99.90,  22.06,  -0.79,
04/17 19Z,  -0.20,  17.04,  99.90,  16.04,  -0.79,
04/17 20Z,  -0.20,  10.88,  99.90,   9.88,  -0.79,
04/17 21Z,  -0.20,   5.03,  99.90,   4.04,  -0.79,
04/17 22Z,  -0.20,   0.27,  99.90,  -0.72,  -0.79,
04/17 23Z,  -0.20,  -0.54,  99.90,  -1.53,  -0.79,  (min)
04/18 00Z,  -0.20,   4.84,  99.90,   3.84,  -0.79,
04/18 01Z,  -0.20,  13.81,  99.90,  12.82,  -0.79,
04/18 02Z,  -0.20,  22.05,  99.90,  21.06,  -0.79,
04/18 03Z,  -0.10,  27.84,  99.90,  26.95,  -0.79,
04/18 04Z,  -0.10,  30.58,  99.90,  29.68,  -0.79,  (max)
04/18 05Z,  -0.10,  29.71,  99.90,  28.81,  -0.79,
04/18 06Z,  -0.10,  26.00,  99.90,  25.11,  -0.79,
04/18 07Z,  -0.10,  20.72,  99.90,  19.83,  -0.79,
04/18 08Z,  -0.10,  14.91,  99.90,  14.02,  -0.79,
04/18 09Z,  -0.10,   9.52,  99.90,   8.63,  -0.79,
04/18 10Z,  -0.10,   5.17,  99.90,   4.28,  -0.79,
04/18 11Z,  -0.10,   3.74,  99.90,   2.84,  -0.79,  (min)
04/18 12Z,  -0.10,   7.97,  99.90,   7.07,  -0.79,
04/18 13Z,  -0.10,  16.78,  99.90,  15.89,  -0.79,
04/18 14Z,  -0.10,  25.34,  99.90,  24.45,  -0.79,
04/18 15Z,  -0.10,  30.69,  99.90,  29.79,  -0.79,
04/18 16Z,  -0.10,  32.55,  99.90,  31.66,  -0.79,  (max)
04/18 17Z,   0.00,  30.94,  99.90,  30.15,  -0.79,
04/18 18Z,   0.00,  26.55,  99.90,  25.75,  -0.79,
04/18 19Z,  -0.10,  20.74,  99.90,  19.84,  -0.79,
04/18 20Z,  -0.10,  14.38,  99.90,  13.49,  -0.79,
04/18 21Z,  -0.10,   8.12,  99.90,   7.23,  -0.79,
04/18 22Z,  -0.10,   2.44,  99.90,   1.55,  -0.79,
04/18 23Z,  -0.20,  -1.47,  99.90,  -2.46,  -0.79,  (min)
04/19 00Z,  -0.20,  -0.53,  99.90,  -1.52,  -0.79,
04/19 01Z,  -0.20,   6.61,  99.90,   5.62,  -0.79,
04/19 02Z,  -0.20,  16.30,  99.90,  15.30,  -0.79,
04/19 03Z,  -0.20,  24.23,  99.90,  23.24,  -0.79,
04/19 04Z,  -0.20,  29.18,  99.90,  28.19,  -0.79,
04/19 05Z,  -0.10,  30.83,  99.90,  29.94,  -0.79,  (max)
04/19 06Z,  -0.10,  29.07,  99.90,  28.17,  -0.79,
04/19 07Z,   0.00,  24.89,  99.90,  24.10,  -0.79,
04/19 08Z,   0.00,  19.41,  99.90,  18.62,  -0.79,
04/19 09Z,   0.00,  13.61,  99.90,  12.81,  -0.79,
04/19 10Z,   0.00,   8.45,  99.90,   7.65,  -0.79,
04/19 11Z,   0.00,   4.80,  99.90,   4.01,  -0.79,  (min)
04/19 12Z,   0.00,   4.87,  99.90,   4.08,  -0.79,
04/19 13Z,   0.10,  10.86,  99.90,  10.17,  -0.79,
04/19 14Z,   0.10,  20.42,  99.90,  19.73,  -0.79,
04/19 15Z,   0.10,  28.37,  99.90,  27.68,  -0.79,
04/19 16Z,   0.10,  32.40,  99.90,  31.70,  -0.79,
04/19 17Z,   0.10,  32.74,  99.90,  32.05,  -0.79,  (max)
04/19 18Z,   0.20,  29.81,  99.90,  29.22,  -0.79,
04/19 19Z,   0.20,  24.61,  99.90,  24.02,  -0.79,
04/19 20Z,   0.20,  18.42,  99.90,  17.82,  -0.79,
04/19 21Z,   0.10,  11.90,  99.90,  11.20,  -0.79,
04/19 22Z,   0.10,   5.73,  99.90,   5.03,  -0.79,
04/19 23Z,   0.10,   0.50,  99.90,  -0.19,  -0.79,
04/20 00Z,   0.10,  -2.26,  99.90,  -2.95,  -0.79,  (min)
04/20 01Z,   0.10,   0.43,  99.90,  -0.26,  -0.79,
04/20 02Z,   0.10,   8.82,  99.90,   8.13,  -0.79,
04/20 03Z,   0.20,  18.49,  99.90,  17.89,  -0.79,
04/20 04Z,   0.30,  25.60,  99.90,  25.11,  -0.79,
04/20 05Z,   0.30,  29.57,  99.90,  29.08,  -0.79,
04/20 06Z,   0.40,  30.34,  99.90,  29.95,  -0.79,  (max)
04/20 07Z,   0.40,  28.04,  99.90,  27.65,  -0.79,
04/20 08Z,   0.40,  23.65,  99.90,  23.26,  -0.79,
04/20 09Z,   0.40,  18.11,  99.90,  17.71,  -0.79,
04/20 10Z,   0.50,  12.42,  99.90,  12.12,  -0.79,
04/20 11Z,   0.50,   7.68,  99.90,   7.39,  -0.79,
04/20 12Z,   0.60,   4.95,  99.90,   4.75,  -0.79,  (min)
04/20 13Z,   0.70,   6.50,  99.90,   6.41,  -0.79,
04/20 14Z,   0.70,  13.73,  99.90,  13.64,  -0.79,
04/20 15Z,   0.80,  23.25,  99.90,  23.25,  -0.79,
04/20 16Z,   1.00,  30.03,  99.90,  30.24,  -0.79,
04/20 17Z,   1.00,  32.68,  99.90,  32.89,  -0.79,  (max)
04/20 18Z,   1.00,  31.87,  99.90,  32.08,  -0.79,
04/20 19Z,   1.10,  28.18,  99.90,  28.49,  -0.79,
04/20 20Z,   1.10,  22.67,  99.90,  22.97,  -0.79,
04/20 21Z,   1.10,  16.36,  99.90,  16.67,  -0.79,
04/20 22Z,   1.00,   9.90,  99.90,  10.11,  -0.79,
04/20 23Z,   1.00,   4.07,  99.90,   4.28,  -0.79,
04/21 00Z,   1.00,  -0.44,  99.90,  -0.23,  -0.79,
04/21 01Z,   1.10,  -1.97,  99.90,  -1.67,  -0.79,  (min)
04/21 02Z,   1.20,   2.10,  99.90,   2.51,  -0.79,
04/21 03Z,   1.30,  10.96,  99.90,  11.47,  -0.79,
04/21 04Z,   1.30,  19.89,  99.90,  20.40,  -0.79,
04/21 05Z,   1.40,  25.92,  99.90,  26.53,  -0.79,
04/21 06Z,   1.40,  29.07,  99.90,  29.67,  -0.79,
04/21 07Z,   1.40,  29.33,  99.90,  29.94,  -0.79,  (max)
04/21 08Z,   1.30,  26.85,  99.90,  27.35,  -0.79,
04/21 09Z,   1.20,  22.44,  99.90,  22.85,  -0.79,
04/21 10Z,   1.20,  16.97,  99.90,  17.37,  -0.79,
04/21 11Z,   1.10,  11.60,  99.90,  11.90,  -0.79,
04/21 12Z,   1.00,   7.47,  99.90,   7.68,  -0.79,
04/21 13Z,   0.90,   5.66,  99.90,   5.76,  -0.79,  (min)
04/21 14Z,   0.80,   8.32,  99.90,   8.33,  -0.79,
04/21 15Z,   0.70,  16.01,  99.90,  15.92,  -0.79,
04/21 16Z,   0.70,  24.70,  99.90,  24.61,  -0.79,
04/21 17Z,   0.70,  30.07,  99.90,  29.97,  -0.79,
04/21 18Z,   0.60,  31.63,  99.90,  31.44,  -0.79,  (max)
04/21 19Z,   0.60,  30.26,  99.90,  30.06,  -0.79,
04/21 20Z,   0.50,  26.41,  99.90,  26.11,  -0.79,
04/21 21Z,   0.40,  20.99,  99.90,  20.60,  -0.79,
04/21 22Z,   0.30,  14.87,  99.90,  14.37,  -0.79,
04/21 23Z,   0.20,   8.75,  99.90,   8.15,  -0.79,
04/22 00Z,   0.20,   3.51,  99.90,   2.92,  -0.79,
04/22 01Z,   0.10,  -0.22,  99.90,  -0.91,  -0.79,
04/22 02Z,   0.10,  -0.77,  99.90,  -1.46,  -0.79,  (min)
04/22 03Z,   0.10,   4.00,  99.90,   3.31,  -0.79,
04/22 04Z,   0.10,  12.49,  99.90,  11.80,  -0.79,
04/22 05Z,   0.10,  20.21,  99.90,  19.52,  -0.79,
04/22 06Z,   0.10,  25.22,  99.90,  24.53,  -0.79,
04/22 07Z,   0.10,  27.91,  99.90,  27.22,  -0.79,
04/22 08Z,   0.00,  28.08,  99.90,  27.29,  -0.79,  (max)
04/22 09Z,   0.00,  25.71,  99.90,  24.92,  -0.79,
04/22 10Z,   0.00,  21.49,  99.90,  20.69,  -0.79,
04/22 11Z,   0.00,  16.29,  99.90,  15.49,  -0.79,
04/22 12Z,  -0.10,  11.43,  99.90,  10.54,  -0.79,