EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 01/21/2026 10:21:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 18Z,  -0.70,  10.13,   9.02,  99.90,  -0.41,
01/19 19Z,  -0.70,   6.66,   5.71,  99.90,  -0.25,
01/19 20Z,  -0.70,   4.66,   3.47,  99.90,  -0.49,  (min)
01/19 21Z,  -0.70,   5.49,   4.16,  99.90,  -0.63,
01/19 22Z,  -0.70,   9.18,   8.51,  99.90,   0.03,
01/19 23Z,  -0.70,  13.88,  13.09,  99.90,  -0.09,
01/20 00Z,  -0.70,  17.87,  16.79,  99.90,  -0.38,
01/20 01Z,  -0.70,  20.48,  19.64,  99.90,  -0.14,
01/20 02Z,  -0.70,  21.25,  20.69,  99.90,   0.14,  (max)
01/20 03Z,  -0.70,  19.80,  19.11,  99.90,   0.01,
01/20 04Z,  -0.70,  16.28,  15.14,  99.90,  -0.44,
01/20 05Z,  -0.70,  11.45,  10.41,  99.90,  -0.34,
01/20 06Z,  -0.70,   6.35,   5.87,  99.90,   0.22,
01/20 07Z,  -0.70,   1.76,   1.41,  99.90,   0.35,
01/20 08Z,  -0.70,  -1.50,  -2.19,  99.90,   0.01,
01/20 09Z,  -0.80,  -2.01,  -3.62,  99.90,  -0.81,  (min)
01/20 10Z,  -0.80,   1.06,  -0.39,  99.90,  -0.65,
01/20 11Z,  -0.80,   6.49,   5.47,  99.90,  -0.22,
01/20 12Z,  -0.70,  12.17,  10.81,  99.90,  -0.66,
01/20 13Z,  -0.70,  16.93,  15.34,  99.90,  -0.89,
01/20 14Z,  -0.80,  20.13,  18.71,  99.90,  -0.62,
01/20 15Z,  -0.80,  21.14,  20.05,  99.90,  -0.29,  (max)
01/20 16Z,  -0.80,  19.69,  18.64,  99.90,  -0.25,
01/20 17Z,  -0.80,  16.26,  14.98,  99.90,  -0.48,
01/20 18Z,  -0.80,  11.94,  10.61,  99.90,  -0.53,
01/20 19Z,  -0.90,   7.80,   6.80,  99.90,  -0.10,
01/20 20Z,  -0.90,   4.66,   3.59,  99.90,  -0.17,
01/20 21Z,  -0.90,   3.62,   2.20,  99.90,  -0.52,  (min)
01/20 22Z,  -0.90,   5.78,   4.72,  99.90,  -0.16,
01/20 23Z,  -0.80,  10.50,   9.83,  99.90,   0.13,
01/21 00Z,  -0.80,  15.55,  14.31,  99.90,  -0.44,
01/21 01Z,  -0.80,  19.31,  18.00,  99.90,  -0.51,
01/21 02Z,  -0.90,  21.30,  20.30,  99.90,  -0.10,  (max)
01/21 03Z,  -0.90,  21.21,  20.26,  99.90,  -0.05,
01/21 04Z,  -0.90,  18.85,  17.53,  99.90,  -0.42,
01/21 05Z,  -0.90,  14.55,  13.03,  99.90,  -0.62,
01/21 06Z,  -0.90,   9.25,   8.30,  99.90,  -0.05,
01/21 07Z,  -0.90,   4.11,   3.74,  99.90,   0.53,
01/21 08Z,  -0.90,   0.02,  -0.49,  99.90,   0.39,
01/21 09Z,  -0.90,  -2.11,  -3.34,  99.90,  -0.33,  (min)
01/21 10Z,  -0.90,  -1.03,  -3.00,  99.90,  -1.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 11Z,  -0.90,   3.46,  99.90,   1.57,  -0.99,
01/21 12Z,  -0.90,   9.55,  99.90,   7.73,  -0.91,
01/21 13Z,  -0.90,  15.08,  99.90,  13.34,  -0.84,
01/21 14Z,  -0.90,  19.12,  99.90,  17.46,  -0.76,
01/21 15Z,  -0.90,  21.28,  99.90,  19.69,  -0.68,  (max)
01/21 16Z,  -0.90,  21.10,  99.90,  19.60,  -0.61,
01/21 17Z,  -0.80,  18.56,  99.90,  17.23,  -0.53,
01/21 18Z,  -0.90,  14.34,  99.90,  12.99,  -0.45,
01/21 19Z,  -0.90,   9.66,  99.90,   8.38,  -0.38,
01/21 20Z,  -0.90,   5.67,  99.90,   4.47,  -0.30,
01/21 21Z,  -0.90,   3.19,  99.90,   2.07,  -0.22,  (min)
01/21 22Z,  -0.80,   3.29,  99.90,   2.34,  -0.15,
01/21 23Z,  -0.80,   6.62,  99.90,   5.67,  -0.15,
01/22 00Z,  -0.80,  11.94,  99.90,  11.00,  -0.15,
01/22 01Z,  -0.70,  16.89,  99.90,  16.05,  -0.15,
01/22 02Z,  -0.80,  20.12,  99.90,  19.17,  -0.15,
01/22 03Z,  -0.80,  21.38,  99.90,  20.44,  -0.15,  (max)
01/22 04Z,  -0.80,  20.51,  99.90,  19.56,  -0.15,
01/22 05Z,  -0.80,  17.41,  99.90,  16.47,  -0.15,
01/22 06Z,  -0.80,  12.61,  99.90,  11.66,  -0.15,
01/22 07Z,  -0.80,   7.20,  99.90,   6.25,  -0.15,
01/22 08Z,  -0.80,   2.46,  99.90,   1.52,  -0.15,
01/22 09Z,  -0.80,  -0.72,  99.90,  -1.66,  -0.15,
01/22 10Z,  -0.80,  -1.50,  99.90,  -2.45,  -0.15,  (min)
01/22 11Z,  -0.80,   1.04,  99.90,   0.10,  -0.15,
01/22 12Z,  -0.70,   6.50,  99.90,   5.65,  -0.15,
01/22 13Z,  -0.70,  12.66,  99.90,  11.81,  -0.15,
01/22 14Z,  -0.70,  17.57,  99.90,  16.72,  -0.15,
01/22 15Z,  -0.80,  20.65,  99.90,  19.70,  -0.15,
01/22 16Z,  -0.80,  21.69,  99.90,  20.74,  -0.15,  (max)
01/22 17Z,  -0.80,  20.40,  99.90,  19.46,  -0.15,
01/22 18Z,  -0.90,  16.96,  99.90,  15.91,  -0.15,
01/22 19Z,  -0.90,  12.23,  99.90,  11.19,  -0.15,
01/22 20Z,  -0.90,   7.57,  99.90,   6.52,  -0.15,
01/22 21Z,  -0.90,   4.06,  99.90,   3.02,  -0.15,
01/22 22Z,  -0.80,   2.44,  99.90,   1.49,  -0.15,  (min)
01/22 23Z,  -0.80,   3.57,  99.90,   2.63,  -0.15,
01/23 00Z,  -0.80,   7.68,  99.90,   6.73,  -0.15,
01/23 01Z,  -0.80,  13.10,  99.90,  12.15,  -0.15,
01/23 02Z,  -0.80,  17.57,  99.90,  16.63,  -0.15,
01/23 03Z,  -0.80,  20.13,  99.90,  19.19,  -0.15,
01/23 04Z,  -0.90,  20.73,  99.90,  19.69,  -0.15,  (max)
01/23 05Z,  -0.90,  19.26,  99.90,  18.21,  -0.15,
01/23 06Z,  -0.90,  15.72,  99.90,  14.68,  -0.15,
01/23 07Z,  -0.90,  10.79,  99.90,   9.74,  -0.15,
01/23 08Z,  -0.80,   5.72,  99.90,   4.78,  -0.15,
01/23 09Z,  -0.80,   1.80,  99.90,   0.85,  -0.15,
01/23 10Z,  -0.80,  -0.25,  99.90,  -1.19,  -0.15,  (min)
01/23 11Z,  -0.80,   0.25,  99.90,  -0.70,  -0.15,
01/23 12Z,  -0.80,   3.86,  99.90,   2.91,  -0.15,
01/23 13Z,  -0.80,   9.67,  99.90,   8.72,  -0.15,
01/23 14Z,  -0.80,  15.36,  99.90,  14.41,  -0.15,
01/23 15Z,  -0.80,  19.35,  99.90,  18.40,  -0.15,
01/23 16Z,  -0.90,  21.38,  99.90,  20.34,  -0.15,
01/23 17Z,  -0.90,  21.38,  99.90,  20.34,  -0.15,  (max)
01/23 18Z,  -0.80,  19.20,  99.90,  18.25,  -0.15,
01/23 19Z,  -0.80,  15.15,  99.90,  14.21,  -0.15,
01/23 20Z,  -0.80,  10.31,  99.90,   9.36,  -0.15,
01/23 21Z,  -0.90,   6.01,  99.90,   4.97,  -0.15,
01/23 22Z,  -0.90,   3.18,  99.90,   2.14,  -0.15,
01/23 23Z,  -0.80,   2.35,  99.90,   1.40,  -0.15,  (min)
01/24 00Z,  -0.80,   4.18,  99.90,   3.23,  -0.15,
01/24 01Z,  -0.80,   8.54,  99.90,   7.60,  -0.15,
01/24 02Z,  -0.80,  13.61,  99.90,  12.67,  -0.15,
01/24 03Z,  -0.80,  17.41,  99.90,  16.46,  -0.15,
01/24 04Z,  -0.90,  19.35,  99.90,  18.31,  -0.15,
01/24 05Z,  -0.90,  19.51,  99.90,  18.46,  -0.15,  (max)
01/24 06Z,  -0.90,  17.73,  99.90,  16.69,  -0.15,
01/24 07Z,  -0.90,  14.14,  99.90,  13.09,  -0.15,
01/24 08Z,  -0.90,   9.51,  99.90,   8.47,  -0.15,
01/24 09Z,  -0.90,   5.19,  99.90,   4.15,  -0.15,
01/24 10Z,  -0.80,   2.31,  99.90,   1.36,  -0.15,
01/24 11Z,  -0.80,   1.34,  99.90,   0.40,  -0.15,  (min)
01/24 12Z,  -0.80,   2.77,  99.90,   1.82,  -0.15,
01/24 13Z,  -0.90,   6.88,  99.90,   5.83,  -0.15,
01/24 14Z,  -0.90,  12.45,  99.90,  11.40,  -0.15,
01/24 15Z,  -1.00,  17.29,  99.90,  16.15,  -0.15,
01/24 16Z,  -1.00,  20.26,  99.90,  19.12,  -0.15,
01/24 17Z,  -1.00,  21.36,  99.90,  20.21,  -0.15,  (max)
01/24 18Z,  -1.00,  20.55,  99.90,  19.41,  -0.15,
01/24 19Z,  -1.00,  17.78,  99.90,  16.63,  -0.15,
01/24 20Z,  -1.10,  13.52,  99.90,  12.28,  -0.15,
01/24 21Z,  -1.10,   8.92,  99.90,   7.67,  -0.15,
01/24 22Z,  -1.00,   5.21,  99.90,   4.06,  -0.15,
01/24 23Z,  -1.00,   3.01,  99.90,   1.86,  -0.15,
01/25 00Z,  -1.00,   2.66,  99.90,   1.51,  -0.15,
01/25 01Z,  99.90,   4.71,  99.90,  99.90,  -0.15,
01/25 02Z,  99.90,   8.86,  99.90,  99.90,  -0.15,
01/25 03Z,  99.90,  13.29,  99.90,  99.90,  -0.15,
01/25 04Z,  99.90,  16.42,  99.90,  99.90,  -0.15,
01/25 05Z,  99.90,  17.98,  99.90,  99.90,  -0.15,
01/25 06Z,  99.90,  18.01,  99.90,  99.90,  -0.15,