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
#Alitak, AK : 04/18/2026 13:21:16 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 18Z,  -0.50,   1.27,   0.74,  99.90,  -0.03,
04/16 19Z,  -0.50,   4.16,   3.56,  99.90,  -0.10,
04/16 20Z,  -0.50,   7.56,   7.16,  99.90,   0.10,
04/16 21Z,  -0.50,  10.40,  10.01,  99.90,   0.11,
04/16 22Z,  -0.50,  11.85,  11.35,  99.90,   0.00,  (max)
04/16 23Z,  -0.50,  11.67,  10.94,  99.90,  -0.23,
04/17 00Z,  -0.50,  10.03,   9.48,  99.90,  -0.05,
04/17 01Z,  -0.50,   7.43,   6.90,  99.90,  -0.03,
04/17 02Z,  -0.50,   4.57,   3.97,  99.90,  -0.10,
04/17 03Z,  -0.50,   2.22,   1.70,  99.90,  -0.02,
04/17 04Z,  -0.50,   1.01,   0.54,  99.90,   0.03,  (min)
04/17 05Z,  -0.50,   1.24,   0.89,  99.90,   0.15,
04/17 06Z,  -0.50,   2.87,   2.30,  99.90,  -0.07,
04/17 07Z,  -0.60,   5.65,   5.09,  99.90,   0.04,
04/17 08Z,  -0.50,   9.04,   8.70,  99.90,   0.16,
04/17 09Z,  -0.50,  12.02,  11.62,  99.90,   0.10,
04/17 10Z,  -0.50,  13.61,  13.07,  99.90,  -0.04,  (max)
04/17 11Z,  -0.50,  13.39,  12.75,  99.90,  -0.14,
04/17 12Z,  -0.50,  11.48,  11.09,  99.90,   0.11,
04/17 13Z,  -0.60,   8.33,   8.02,  99.90,   0.29,
04/17 14Z,  -0.60,   4.65,   4.22,  99.90,   0.17,
04/17 15Z,  -0.60,   1.27,   0.85,  99.90,   0.18,
04/17 16Z,  -0.60,  -1.09,  -1.63,  99.90,   0.06,
04/17 17Z,  -0.60,  -1.94,  -2.40,  99.90,   0.14,  (min)
04/17 18Z,  -0.60,  -1.12,  -1.71,  99.90,   0.01,
04/17 19Z,  -0.60,   1.22,   0.41,  99.90,  -0.21,
04/17 20Z,  -0.60,   4.68,   4.09,  99.90,   0.01,
04/17 21Z,  -0.60,   8.37,   7.99,  99.90,   0.22,
04/17 22Z,  -0.60,  11.13,  10.73,  99.90,   0.20,
04/17 23Z,  -0.60,  12.22,  11.62,  99.90,  -0.00,  (max)
04/18 00Z,  -0.60,  11.58,  10.84,  99.90,  -0.14,
04/18 01Z,  -0.60,   9.56,   8.96,  99.90,   0.00,
04/18 02Z,  -0.60,   6.77,   6.17,  99.90,   0.00,
04/18 03Z,  -0.60,   4.02,   3.41,  99.90,  -0.01,
04/18 04Z,  -0.60,   2.03,   1.44,  99.90,   0.01,
04/18 05Z,  -0.50,   1.34,   0.93,  99.90,   0.09,  (min)
04/18 06Z,  -0.60,   2.13,   1.80,  99.90,   0.27,
04/18 07Z,  -0.50,   4.27,   3.67,  99.90,  -0.10,
04/18 08Z,  -0.50,   7.41,   7.00,  99.90,   0.09,
04/18 09Z,  -0.50,  10.84,  10.50,  99.90,   0.16,
04/18 10Z,  -0.50,  13.45,  12.92,  99.90,  -0.03,
04/18 11Z,  -0.50,  14.34,  13.53,  99.90,  -0.31,  (max)
04/18 12Z,  -0.50,  13.31,  12.64,  99.90,  -0.17,
04/18 13Z,  -0.60,  10.67,  10.18,  99.90,   0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 14Z,  -0.60,   7.01,  99.90,   6.51,   0.09,
04/18 15Z,  -0.60,   3.14,  99.90,   2.62,   0.07,
04/18 16Z,  -0.60,  -0.14,  99.90,  -0.69,   0.05,
04/18 17Z,  -0.70,  -2.19,  99.90,  -2.85,   0.03,
04/18 18Z,  -0.70,  -2.57,  99.90,  -3.26,   0.02,  (min)
04/18 19Z,  -0.70,  -1.23,  99.90,  -1.94,  -0.00,
04/18 20Z,  -0.60,   1.61,  99.90,   0.98,  -0.02,
04/18 21Z,  -0.60,   5.38,  99.90,   4.74,  -0.04,
04/18 22Z,  -0.60,   9.05,  99.90,   8.39,  -0.06,
04/18 23Z,  -0.60,  11.48,  99.90,  10.80,  -0.08,
04/19 00Z,  -0.50,  12.11,  99.90,  11.51,  -0.10,  (max)
04/19 01Z,  -0.50,  11.06,  99.90,  10.44,  -0.12,
04/19 02Z,  -0.50,   8.82,  99.90,   8.20,  -0.12,
04/19 03Z,  -0.50,   6.11,  99.90,   5.49,  -0.12,
04/19 04Z,  -0.50,   3.69,  99.90,   3.06,  -0.12,
04/19 05Z,  -0.50,   2.18,  99.90,   1.56,  -0.12,
04/19 06Z,  -0.50,   2.03,  99.90,   1.40,  -0.12,  (min)
04/19 07Z,  -0.50,   3.31,  99.90,   2.68,  -0.12,
04/19 08Z,  -0.40,   5.80,  99.90,   5.28,  -0.12,
04/19 09Z,  -0.30,   9.04,  99.90,   8.61,  -0.12,
04/19 10Z,  -0.20,  12.20,  99.90,  11.87,  -0.12,
04/19 11Z,  -0.20,  14.20,  99.90,  13.87,  -0.12,
04/19 12Z,  -0.20,  14.33,  99.90,  14.01,  -0.12,  (max)
04/19 13Z,  -0.20,  12.61,  99.90,  12.29,  -0.12,
04/19 14Z,  -0.20,   9.51,  99.90,   9.19,  -0.12,
04/19 15Z,  -0.20,   5.70,  99.90,   5.37,  -0.12,
04/19 16Z,  -0.20,   1.94,  99.90,   1.62,  -0.12,
04/19 17Z,  -0.20,  -1.03,  99.90,  -1.35,  -0.12,
04/19 18Z,  -0.10,  -2.65,  99.90,  -2.87,  -0.12,  (min)
04/19 19Z,   0.00,  -2.58,  99.90,  -2.70,  -0.12,
04/19 20Z,   0.10,  -0.83,  99.90,  -0.85,  -0.12,
04/19 21Z,   0.20,   2.26,  99.90,   2.34,  -0.12,
04/19 22Z,   0.30,   6.03,  99.90,   6.21,  -0.12,
04/19 23Z,   0.30,   9.39,  99.90,   9.57,  -0.12,
04/20 00Z,   0.10,  11.33,  99.90,  11.31,  -0.12,
04/20 01Z,   0.00,  11.52,  99.90,  11.39,  -0.12,  (max)
04/20 02Z,   0.00,  10.22,  99.90,  10.10,  -0.12,
04/20 03Z,  -0.10,   8.02,  99.90,   7.80,  -0.12,
04/20 04Z,  -0.10,   5.61,  99.90,   5.39,  -0.12,
04/20 05Z,  -0.10,   3.65,  99.90,   3.42,  -0.12,
04/20 06Z,  -0.10,   2.66,  99.90,   2.44,  -0.12,  (min)
04/20 07Z,  -0.10,   2.97,  99.90,   2.75,  -0.12,
04/20 08Z,  -0.10,   4.58,  99.90,   4.36,  -0.12,
04/20 09Z,  -0.10,   7.17,  99.90,   6.94,  -0.12,
04/20 10Z,   0.00,  10.21,  99.90,  10.08,  -0.12,
04/20 11Z,   0.00,  12.86,  99.90,  12.74,  -0.12,
04/20 12Z,   0.00,  14.18,  99.90,  14.05,  -0.12,  (max)
04/20 13Z,  -0.10,  13.66,  99.90,  13.44,  -0.12,
04/20 14Z,  -0.20,  11.53,  99.90,  11.20,  -0.12,
04/20 15Z,  -0.20,   8.31,  99.90,   7.99,  -0.12,
04/20 16Z,  -0.10,   4.67,  99.90,   4.45,  -0.12,
04/20 17Z,  -0.10,   1.26,  99.90,   1.04,  -0.12,
04/20 18Z,  -0.10,  -1.28,  99.90,  -1.50,  -0.12,
04/20 19Z,   0.00,  -2.46,  99.90,  -2.59,  -0.12,  (min)
04/20 20Z,   0.00,  -2.03,  99.90,  -2.16,  -0.12,
04/20 21Z,   0.00,  -0.11,  99.90,  -0.23,  -0.12,
04/20 22Z,   0.00,   2.94,  99.90,   2.81,  -0.12,
04/20 23Z,   0.00,   6.41,  99.90,   6.28,  -0.12,
04/21 00Z,   0.00,   9.28,  99.90,   9.16,  -0.12,
04/21 01Z,   0.00,  10.72,  99.90,  10.60,  -0.12,  (max)
04/21 02Z,   0.00,  10.60,  99.90,  10.48,  -0.12,
04/21 03Z,  -0.10,   9.31,  99.90,   9.08,  -0.12,
04/21 04Z,  -0.10,   7.37,  99.90,   7.14,  -0.12,
04/21 05Z,  -0.20,   5.38,  99.90,   5.06,  -0.12,
04/21 06Z,  -0.20,   3.90,  99.90,   3.58,  -0.12,
04/21 07Z,  -0.30,   3.37,  99.90,   2.94,  -0.12,  (min)
04/21 08Z,  -0.20,   4.00,  99.90,   3.67,  -0.12,
04/21 09Z,  -0.20,   5.69,  99.90,   5.36,  -0.12,
04/21 10Z,  -0.20,   8.08,  99.90,   7.76,  -0.12,
04/21 11Z,  -0.20,  10.70,  99.90,  10.37,  -0.12,
04/21 12Z,  -0.20,  12.76,  99.90,  12.43,  -0.12,
04/21 13Z,  -0.30,  13.46,  99.90,  13.04,  -0.12,  (max)
04/21 14Z,  -0.30,  12.55,  99.90,  12.13,  -0.12,
04/21 15Z,  -0.40,  10.35,  99.90,   9.82,  -0.12,
04/21 16Z,  -0.40,   7.36,  99.90,   6.83,  -0.12,
04/21 17Z,  -0.50,   4.11,  99.90,   3.49,  -0.12,
04/21 18Z,  -0.50,   1.18,  99.90,   0.56,  -0.12,
04/21 19Z,  -0.50,  -0.92,  99.90,  -1.54,  -0.12,
04/21 20Z,  -0.50,  -1.76,  99.90,  -2.38,  -0.12,  (min)
04/21 21Z,  -0.50,  -1.18,  99.90,  -1.80,  -0.12,
04/21 22Z,  -0.40,   0.66,  99.90,   0.14,  -0.12,
04/21 23Z,  -0.40,   3.40,  99.90,   2.88,  -0.12,
04/22 00Z,  -0.40,   6.41,  99.90,   5.89,  -0.12,
04/22 01Z,  -0.40,   8.76,  99.90,   8.24,  -0.12,
04/22 02Z,  -0.50,   9.84,  99.90,   9.21,  -0.12,  (max)
04/22 03Z,  -0.50,   9.65,  99.90,   9.02,  -0.12,
04/22 04Z,  -0.50,   8.56,  99.90,   7.94,  -0.12,
04/22 05Z,  -0.50,   7.01,  99.90,   6.39,  -0.12,
04/22 06Z,  -0.50,   5.47,  99.90,   4.85,  -0.12,