EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Anchorage, AK : 05/21/2026 13:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 18Z,  -0.10,  30.46,  30.49,  99.90,   0.13,  (max)
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,  -0.20,  26.63,  25.61,  99.90,  -0.82,
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,
05/20 11Z,  -0.30,  11.54,  10.10,  99.90,  -1.14,
05/20 12Z,  -0.30,   7.14,   5.85,  99.90,  -0.99,
05/20 13Z,  -0.30,   5.54,   4.10,  99.90,  -1.14,  (min)
05/20 14Z,  -0.40,   9.32,  11.27,  99.90,   2.35,
05/20 15Z,  -0.40,  17.45,  18.16,  99.90,   1.11,
05/20 16Z,  -0.40,  25.10,  23.83,  99.90,  -0.87,
05/20 17Z,  -0.40,  29.43,  28.20,  99.90,  -0.83,
05/20 18Z,  -0.40,  30.66,  30.41,  99.90,   0.15,  (max)
05/20 19Z,  -0.50,  29.12,  28.77,  99.90,   0.15,
05/20 20Z,  -0.50,  25.25,  24.43,  99.90,  -0.32,
05/20 21Z,  -0.50,  19.99,  18.89,  99.90,  -0.60,
05/20 22Z,  -0.60,  13.94,  13.35,  99.90,   0.01,
05/20 23Z,  -0.60,   7.79,   8.14,  99.90,   0.95,
05/21 00Z,  -0.60,   2.27,   3.19,  99.90,   1.52,
05/21 01Z,  -0.60,  -1.57,  -1.27,  99.90,   0.90,
05/21 02Z,  -0.50,  -1.03,  -2.91,  99.90,  -1.38,  (min)
05/21 03Z,  -0.50,   5.25,   6.50,  99.90,   1.75,
05/21 04Z,  -0.40,  13.93,  14.48,  99.90,   0.95,
05/21 05Z,  -0.40,  21.10,  20.83,  99.90,   0.13,
05/21 06Z,  -0.30,  25.99,  25.48,  99.90,  -0.21,
05/21 07Z,  -0.20,  28.62,  28.44,  99.90,   0.02,  (max)
05/21 08Z,  -0.20,  28.49,  28.38,  99.90,   0.09,
05/21 09Z,  -0.10,  25.88,  25.17,  99.90,  -0.61,
05/21 10Z,   0.00,  21.42,  20.11,  99.90,  -1.31,
05/21 11Z,   0.00,  16.01,  15.00,  99.90,  -1.01,
05/21 12Z,   0.00,  10.85,  10.37,  99.90,  -0.48,
05/21 13Z,   0.00,   6.86,   6.47,  99.90,  -0.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 14Z,   0.00,   5.90,  99.90,   5.55,  -0.36,  (min)
05/21 15Z,   0.00,  10.13,  99.90,   9.80,  -0.33,
05/21 16Z,   0.00,  17.76,  99.90,  17.46,  -0.30,
05/21 17Z,   0.00,  24.26,  99.90,  24.00,  -0.27,
05/21 18Z,   0.00,  27.82,  99.90,  27.58,  -0.24,
05/21 19Z,   0.00,  28.95,  99.90,  28.74,  -0.21,  (max)
05/21 20Z,   0.00,  27.67,  99.90,  27.49,  -0.18,
05/21 21Z,   0.00,  24.17,  99.90,  24.02,  -0.15,
05/21 22Z,  -0.10,  19.17,  99.90,  18.95,  -0.12,
05/21 23Z,  -0.20,  13.34,  99.90,  13.05,  -0.09,
05/22 00Z,  -0.20,   7.61,  99.90,   7.35,  -0.06,
05/22 01Z,  -0.20,   2.67,  99.90,   2.45,  -0.03,
05/22 02Z,  -0.20,  -0.42,  99.90,  -0.65,  -0.03,  (min)
05/22 03Z,  -0.10,   0.86,  99.90,   0.73,  -0.03,
05/22 04Z,  -0.10,   7.11,  99.90,   6.98,  -0.03,
05/22 05Z,  -0.10,  14.82,  99.90,  14.70,  -0.03,
05/22 06Z,  -0.10,  20.96,  99.90,  20.83,  -0.03,
05/22 07Z,  -0.10,  25.40,  99.90,  25.27,  -0.03,
05/22 08Z,  -0.20,  27.93,  99.90,  27.70,  -0.03,  (max)
05/22 09Z,  -0.20,  27.81,  99.90,  27.58,  -0.03,
05/22 10Z,  -0.20,  25.19,  99.90,  24.96,  -0.03,
05/22 11Z,  -0.30,  20.71,  99.90,  20.38,  -0.03,
05/22 12Z,  -0.30,  15.47,  99.90,  15.15,  -0.03,
05/22 13Z,  -0.20,  10.66,  99.90,  10.43,  -0.03,
05/22 14Z,  -0.20,   6.98,  99.90,   6.75,  -0.03,
05/22 15Z,  -0.20,   6.29,  99.90,   6.06,  -0.03,  (min)
05/22 16Z,  -0.20,  10.35,  99.90,  10.12,  -0.03,
05/22 17Z,  -0.20,  17.00,  99.90,  16.78,  -0.03,
05/22 18Z,  -0.20,  22.39,  99.90,  22.16,  -0.03,
05/22 19Z,  -0.20,  25.60,  99.90,  25.37,  -0.03,
05/22 20Z,  -0.30,  27.07,  99.90,  26.74,  -0.03,  (max)
05/22 21Z,  -0.30,  26.33,  99.90,  26.00,  -0.03,
05/22 22Z,  -0.30,  23.33,  99.90,  23.00,  -0.03,
05/22 23Z,  -0.40,  18.71,  99.90,  18.29,  -0.03,
05/23 00Z,  -0.40,  13.32,  99.90,  12.89,  -0.03,
05/23 01Z,  -0.30,   8.19,  99.90,   7.86,  -0.03,
05/23 02Z,  -0.30,   3.83,  99.90,   3.50,  -0.03,
05/23 03Z,  -0.20,   1.20,  99.90,   0.97,  -0.03,  (min)
05/23 04Z,  -0.20,   2.70,  99.90,   2.47,  -0.03,
05/23 05Z,  -0.20,   8.43,  99.90,   8.20,  -0.03,
05/23 06Z,  -0.20,  15.04,  99.90,  14.81,  -0.03,
05/23 07Z,  -0.20,  20.42,  99.90,  20.19,  -0.03,
05/23 08Z,  -0.30,  24.74,  99.90,  24.42,  -0.03,
05/23 09Z,  -0.30,  27.38,  99.90,  27.05,  -0.03,  (max)
05/23 10Z,  -0.30,  27.33,  99.90,  27.00,  -0.03,
05/23 11Z,  -0.30,  24.75,  99.90,  24.42,  -0.03,
05/23 12Z,  -0.30,  20.39,  99.90,  20.06,  -0.03,
05/23 13Z,  -0.30,  15.47,  99.90,  15.14,  -0.03,
05/23 14Z,  -0.30,  10.92,  99.90,  10.59,  -0.03,
05/23 15Z,  -0.30,   7.23,  99.90,   6.90,  -0.03,
05/23 16Z,  -0.30,   6.31,  99.90,   5.98,  -0.03,  (min)
05/23 17Z,  -0.30,   9.73,  99.90,   9.40,  -0.03,
05/23 18Z,  -0.30,  15.27,  99.90,  14.94,  -0.03,
05/23 19Z,  -0.30,  19.88,  99.90,  19.55,  -0.03,
05/23 20Z,  -0.30,  23.24,  99.90,  22.91,  -0.03,
05/23 21Z,  -0.30,  25.40,  99.90,  25.07,  -0.03,  (max)
05/23 22Z,  -0.30,  25.35,  99.90,  25.02,  -0.03,
05/23 23Z,  -0.30,  22.92,  99.90,  22.59,  -0.03,
05/24 00Z,  -0.30,  18.77,  99.90,  18.44,  -0.03,
05/24 01Z,  -0.20,  13.94,  99.90,  13.71,  -0.03,
05/24 02Z,  -0.20,   9.41,  99.90,   9.18,  -0.03,
05/24 03Z,  -0.20,   5.36,  99.90,   5.13,  -0.03,
05/24 04Z,  -0.20,   2.80,  99.90,   2.57,  -0.03,  (min)
05/24 05Z,  -0.20,   4.12,  99.90,   3.89,  -0.03,
05/24 06Z,  -0.20,   9.14,  99.90,   8.91,  -0.03,
05/24 07Z,  -0.20,  14.84,  99.90,  14.61,  -0.03,
05/24 08Z,  -0.20,  19.88,  99.90,  19.65,  -0.03,
05/24 09Z,  -0.20,  24.38,  99.90,  24.15,  -0.03,
05/24 10Z,  -0.20,  27.18,  99.90,  26.96,  -0.03,
05/24 11Z,  -0.10,  27.20,  99.90,  27.08,  -0.03,  (max)
05/24 12Z,  -0.10,  24.68,  99.90,  24.55,  -0.03,
05/24 13Z,  -0.10,  20.48,  99.90,  20.35,  -0.03,
05/24 14Z,   0.00,  15.82,  99.90,  15.79,  -0.03,
05/24 15Z,   0.00,  11.25,  99.90,  11.22,  -0.03,
05/24 16Z,   0.00,   7.13,  99.90,   7.11,  -0.03,
05/24 17Z,   0.00,   5.64,  99.90,   5.61,  -0.03,  (min)
05/24 18Z,   0.00,   8.30,  99.90,   8.27,  -0.03,
05/24 19Z,   0.00,  12.97,  99.90,  12.94,  -0.03,
05/24 20Z,   0.00,  17.32,  99.90,  17.30,  -0.03,
05/24 21Z,   0.00,  21.30,  99.90,  21.27,  -0.03,
05/24 22Z,   0.00,  24.32,  99.90,  24.29,  -0.03,
05/24 23Z,  -0.10,  24.96,  99.90,  24.83,  -0.03,  (max)
05/25 00Z,  -0.10,  23.04,  99.90,  22.91,  -0.03,
05/25 01Z,   0.00,  19.35,  99.90,  19.32,  -0.03,
05/25 02Z,   0.00,  15.02,  99.90,  15.00,  -0.03,
05/25 03Z,   0.00,  10.84,  99.90,  10.81,  -0.03,
05/25 04Z,   0.00,   6.75,  99.90,   6.72,  -0.03,
05/25 05Z,   0.00,   3.98,  99.90,   3.96,  -0.03,  (min)
05/25 06Z,   0.10,   5.03,  99.90,   5.11,  -0.03,