EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Anchorage, AK : 05/20/2026 10:21:13 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 18Z,  -0.20,  27.70,  27.73,  99.90,   0.23,
05/18 19Z,  -0.20,  22.25,  22.00,  99.90,  -0.05,
05/18 20Z,  -0.20,  16.14,  16.03,  99.90,   0.09,
05/18 21Z,  -0.20,   9.88,  10.31,  99.90,   0.63,
05/18 22Z,  -0.30,   3.85,   5.02,  99.90,   1.47,
05/18 23Z,  -0.30,  -1.34,  -0.05,  99.90,   1.59,
05/19 00Z,  -0.30,  -3.13,  -4.28,  99.90,  -0.85,  (min)
05/19 01Z,  -0.30,   1.34,   1.82,  99.90,   0.78,
05/19 02Z,  -0.40,  10.42,  11.84,  99.90,   1.82,
05/19 03Z,  -0.40,  19.38,  19.05,  99.90,   0.07,
05/19 04Z,  -0.40,  25.84,  24.69,  99.90,  -0.75,
05/19 05Z,  -0.30,  29.44,  28.62,  99.90,  -0.52,
05/19 06Z,  -0.30,  29.79,  29.58,  99.90,   0.09,  (max)
05/19 07Z,  -0.30,  27.33,  26.72,  99.90,  -0.31,
05/19 08Z,  -0.30,  23.10,  21.53,  99.90,  -1.27,
05/19 09Z,  -0.30,  17.86,  16.10,  99.90,  -1.46,
05/19 10Z,  -0.30,  12.51,  10.91,  99.90,  -1.30,
05/19 11Z,  -0.30,   7.83,   6.34,  99.90,  -1.19,
05/19 12Z,  -0.20,   5.45,   3.49,  99.90,  -1.76,  (min)
05/19 13Z,  -0.20,   8.27,  10.08,  99.90,   2.01,
05/19 14Z,  -0.20,  16.26,  17.75,  99.90,   1.69,
05/19 15Z,  -0.20,  24.78,  23.98,  99.90,  -0.60,
05/19 16Z,  -0.20,  30.09,  28.92,  99.90,  -0.97,
05/19 17Z,  -0.10,  31.87,  31.63,  99.90,  -0.14,  (max)
05/19 18Z,  -0.10,  30.46,  30.49,  99.90,   0.13,
05/19 19Z,  -0.10,  26.45,  26.05,  99.90,  -0.30,
05/19 20Z,  -0.10,  21.03,  20.30,  99.90,  -0.63,
05/19 21Z,  -0.10,  14.92,  14.47,  99.90,  -0.35,
05/19 22Z,  -0.10,   8.62,   8.93,  99.90,   0.41,
05/19 23Z,  -0.10,   2.71,   3.83,  99.90,   1.22,
05/20 00Z,  -0.10,  -1.91,  -1.18,  99.90,   0.83,
05/20 01Z,  -0.10,  -2.47,  -4.55,  99.90,  -1.98,  (min)
05/20 02Z,  -0.10,   3.18,   3.77,  99.90,   0.69,
05/20 03Z,  -0.10,  12.38,  13.17,  99.90,   0.89,
05/20 04Z,  -0.20,  20.58,  19.86,  99.90,  -0.52,
05/20 05Z,  -0.20,  26.21,  25.03,  99.90,  -0.98,
05/20 06Z,  -0.20,  29.19,  28.50,  99.90,  -0.49,
05/20 07Z,  -0.20,  29.20,  28.81,  99.90,  -0.19,  (max)
05/20 08Z,  -0.30,  26.63,  25.61,  99.90,  -0.72,
05/20 09Z,  -0.30,  22.29,  20.38,  99.90,  -1.61,
05/20 10Z,  -0.30,  16.90,  15.12,  99.90,  -1.48,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 11Z,  -0.30,  11.54,  99.90,   9.88,  -1.37,
05/20 12Z,  -0.30,   7.14,  99.90,   5.59,  -1.25,
05/20 13Z,  -0.40,   5.54,  99.90,   4.00,  -1.14,  (min)
05/20 14Z,  -0.40,   9.32,  99.90,   7.90,  -1.02,
05/20 15Z,  -0.40,  17.45,  99.90,  16.15,  -0.91,
05/20 16Z,  -0.50,  25.10,  99.90,  23.81,  -0.79,
05/20 17Z,  -0.50,  29.43,  99.90,  28.25,  -0.68,
05/20 18Z,  -0.50,  30.66,  99.90,  29.60,  -0.56,  (max)
05/20 19Z,  -0.60,  29.12,  99.90,  28.07,  -0.45,
05/20 20Z,  -0.60,  25.25,  99.90,  24.32,  -0.33,
05/20 21Z,  -0.70,  19.99,  99.90,  19.07,  -0.22,
05/20 22Z,  -0.70,  13.94,  99.90,  13.13,  -0.10,
05/20 23Z,  -0.70,   7.79,  99.90,   6.99,  -0.10,
05/21 00Z,  -0.70,   2.27,  99.90,   1.47,  -0.10,
05/21 01Z,  -0.70,  -1.57,  99.90,  -2.37,  -0.10,  (min)
05/21 02Z,  -0.70,  -1.03,  99.90,  -1.83,  -0.10,
05/21 03Z,  -0.70,   5.25,  99.90,   4.45,  -0.10,
05/21 04Z,  -0.60,  13.93,  99.90,  13.23,  -0.10,
05/21 05Z,  -0.50,  21.10,  99.90,  20.50,  -0.10,
05/21 06Z,  -0.50,  25.99,  99.90,  25.39,  -0.10,
05/21 07Z,  -0.40,  28.62,  99.90,  28.12,  -0.10,  (max)
05/21 08Z,  -0.30,  28.49,  99.90,  28.09,  -0.10,
05/21 09Z,  -0.20,  25.88,  99.90,  25.57,  -0.10,
05/21 10Z,  -0.10,  21.42,  99.90,  21.22,  -0.10,
05/21 11Z,   0.00,  16.01,  99.90,  15.90,  -0.10,
05/21 12Z,   0.00,  10.85,  99.90,  10.75,  -0.10,
05/21 13Z,   0.00,   6.86,  99.90,   6.75,  -0.10,
05/21 14Z,   0.10,   5.90,  99.90,   5.90,  -0.10,  (min)
05/21 15Z,   0.10,  10.13,  99.90,  10.13,  -0.10,
05/21 16Z,   0.10,  17.76,  99.90,  17.76,  -0.10,
05/21 17Z,   0.10,  24.26,  99.90,  24.26,  -0.10,
05/21 18Z,   0.10,  27.82,  99.90,  27.82,  -0.10,
05/21 19Z,   0.00,  28.95,  99.90,  28.85,  -0.10,  (max)
05/21 20Z,   0.00,  27.67,  99.90,  27.57,  -0.10,
05/21 21Z,   0.00,  24.17,  99.90,  24.07,  -0.10,
05/21 22Z,   0.00,  19.17,  99.90,  19.07,  -0.10,
05/21 23Z,  -0.10,  13.34,  99.90,  13.14,  -0.10,
05/22 00Z,  -0.10,   7.61,  99.90,   7.41,  -0.10,
05/22 01Z,  -0.10,   2.67,  99.90,   2.47,  -0.10,
05/22 02Z,  -0.10,  -0.42,  99.90,  -0.62,  -0.10,  (min)
05/22 03Z,   0.00,   0.86,  99.90,   0.75,  -0.10,
05/22 04Z,   0.00,   7.11,  99.90,   7.01,  -0.10,
05/22 05Z,   0.00,  14.82,  99.90,  14.72,  -0.10,
05/22 06Z,   0.00,  20.96,  99.90,  20.86,  -0.10,
05/22 07Z,   0.00,  25.40,  99.90,  25.30,  -0.10,
05/22 08Z,  -0.10,  27.93,  99.90,  27.73,  -0.10,  (max)
05/22 09Z,  -0.10,  27.81,  99.90,  27.61,  -0.10,
05/22 10Z,  -0.20,  25.19,  99.90,  24.89,  -0.10,
05/22 11Z,  -0.20,  20.71,  99.90,  20.41,  -0.10,
05/22 12Z,  -0.20,  15.47,  99.90,  15.17,  -0.10,
05/22 13Z,  -0.20,  10.66,  99.90,  10.36,  -0.10,
05/22 14Z,  -0.20,   6.98,  99.90,   6.68,  -0.10,
05/22 15Z,  -0.10,   6.29,  99.90,   6.09,  -0.10,  (min)
05/22 16Z,  -0.10,  10.35,  99.90,  10.15,  -0.10,
05/22 17Z,  -0.10,  17.00,  99.90,  16.80,  -0.10,
05/22 18Z,  -0.10,  22.39,  99.90,  22.19,  -0.10,
05/22 19Z,  -0.20,  25.60,  99.90,  25.29,  -0.10,
05/22 20Z,  -0.20,  27.07,  99.90,  26.77,  -0.10,  (max)
05/22 21Z,  -0.30,  26.33,  99.90,  25.93,  -0.10,
05/22 22Z,  -0.30,  23.33,  99.90,  22.93,  -0.10,
05/22 23Z,  -0.40,  18.71,  99.90,  18.21,  -0.10,
05/23 00Z,  -0.40,  13.32,  99.90,  12.82,  -0.10,
05/23 01Z,  -0.30,   8.19,  99.90,   7.79,  -0.10,
05/23 02Z,  -0.30,   3.83,  99.90,   3.43,  -0.10,
05/23 03Z,  -0.30,   1.20,  99.90,   0.80,  -0.10,  (min)
05/23 04Z,  -0.20,   2.70,  99.90,   2.40,  -0.10,
05/23 05Z,  -0.20,   8.43,  99.90,   8.13,  -0.10,
05/23 06Z,  -0.20,  15.04,  99.90,  14.74,  -0.10,
05/23 07Z,  -0.30,  20.42,  99.90,  20.02,  -0.10,
05/23 08Z,  -0.30,  24.74,  99.90,  24.34,  -0.10,
05/23 09Z,  -0.30,  27.38,  99.90,  26.98,  -0.10,  (max)
05/23 10Z,  -0.30,  27.33,  99.90,  26.93,  -0.10,
05/23 11Z,  -0.40,  24.75,  99.90,  24.25,  -0.10,
05/23 12Z,  -0.40,  20.39,  99.90,  19.89,  -0.10,
05/23 13Z,  -0.40,  15.47,  99.90,  14.97,  -0.10,
05/23 14Z,  -0.30,  10.92,  99.90,  10.52,  -0.10,
05/23 15Z,  -0.30,   7.23,  99.90,   6.83,  -0.10,
05/23 16Z,  -0.30,   6.31,  99.90,   5.91,  -0.10,  (min)
05/23 17Z,  -0.30,   9.73,  99.90,   9.33,  -0.10,
05/23 18Z,  -0.30,  15.27,  99.90,  14.87,  -0.10,
05/23 19Z,  -0.30,  19.88,  99.90,  19.48,  -0.10,
05/23 20Z,  -0.30,  23.24,  99.90,  22.84,  -0.10,
05/23 21Z,  -0.30,  25.40,  99.90,  25.00,  -0.10,  (max)
05/23 22Z,  -0.40,  25.35,  99.90,  24.85,  -0.10,
05/23 23Z,  -0.40,  22.92,  99.90,  22.41,  -0.10,
05/24 00Z,  -0.40,  18.77,  99.90,  18.27,  -0.10,
05/24 01Z,  99.90,  13.94,  99.90,  99.90,  -0.10,
05/24 02Z,  99.90,   9.41,  99.90,  99.90,  -0.10,
05/24 03Z,  99.90,   5.36,  99.90,  99.90,  -0.10,
05/24 04Z,  99.90,   2.80,  99.90,  99.90,  -0.10,
05/24 05Z,  99.90,   4.12,  99.90,  99.90,  -0.10,
05/24 06Z,  99.90,   9.14,  99.90,  99.90,  -0.10,