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
#Yakutat, AK : 04/18/2026 03:21:29 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 12Z,  -0.40,   4.71,   3.73,  99.90,  -0.58,
04/16 13Z,  -0.40,   2.09,   1.12,  99.90,  -0.57,
04/16 14Z,  -0.40,   0.15,  -0.73,  99.90,  -0.48,
04/16 15Z,  -0.40,  -0.65,  -1.62,  99.90,  -0.57,  (min)
04/16 16Z,  -0.40,  -0.14,  -1.18,  99.90,  -0.64,
04/16 17Z,  -0.40,   1.54,   0.56,  99.90,  -0.58,
04/16 18Z,  -0.40,   3.94,   2.87,  99.90,  -0.67,
04/16 19Z,  -0.30,   6.46,   5.29,  99.90,  -0.87,
04/16 20Z,  -0.40,   8.46,   7.52,  99.90,  -0.54,
04/16 21Z,  -0.40,   9.44,   8.34,  99.90,  -0.70,  (max)
04/16 22Z,  -0.40,   9.20,   7.93,  99.90,  -0.87,
04/16 23Z,  -0.40,   7.81,   6.75,  99.90,  -0.66,
04/17 00Z,  -0.30,   5.69,   4.55,  99.90,  -0.84,
04/17 01Z,  -0.30,   3.41,   2.05,  99.90,  -1.06,
04/17 02Z,  -0.40,   1.63,   0.44,  99.90,  -0.79,
04/17 03Z,  -0.40,   0.84,  -0.15,  99.90,  -0.59,  (min)
04/17 04Z,  -0.40,   1.31,   0.17,  99.90,  -0.74,
04/17 05Z,  -0.40,   2.96,   1.87,  99.90,  -0.69,
04/17 06Z,  -0.30,   5.40,   4.43,  99.90,  -0.67,
04/17 07Z,  -0.30,   8.02,   6.97,  99.90,  -0.75,
04/17 08Z,  -0.40,  10.15,   9.29,  99.90,  -0.46,
04/17 09Z,  -0.40,  11.21,  10.22,  99.90,  -0.59,  (max)
04/17 10Z,  -0.40,  10.88,   9.87,  99.90,  -0.61,
04/17 11Z,  -0.40,   9.19,   8.27,  99.90,  -0.52,
04/17 12Z,  -0.40,   6.48,   5.52,  99.90,  -0.56,
04/17 13Z,  -0.40,   3.39,   2.32,  99.90,  -0.67,
04/17 14Z,  -0.50,   0.63,  -0.32,  99.90,  -0.45,
04/17 15Z,  -0.50,  -1.17,  -2.15,  99.90,  -0.48,
04/17 16Z,  -0.50,  -1.61,  -2.64,  99.90,  -0.53,  (min)
04/17 17Z,  -0.50,  -0.60,  -1.52,  99.90,  -0.42,
04/17 18Z,  -0.40,   1.56,   0.61,  99.90,  -0.55,
04/17 19Z,  -0.40,   4.31,   3.23,  99.90,  -0.68,
04/17 20Z,  -0.40,   6.97,   6.02,  99.90,  -0.55,
04/17 21Z,  -0.50,   8.90,   7.90,  99.90,  -0.50,
04/17 22Z,  -0.50,   9.64,   8.50,  99.90,  -0.64,  (max)
04/17 23Z,  -0.50,   9.07,   8.08,  99.90,  -0.49,
04/18 00Z,  -0.50,   7.42,   6.39,  99.90,  -0.53,
04/18 01Z,  -0.40,   5.18,   4.15,  99.90,  -0.63,
04/18 02Z,  -0.40,   3.01,   2.02,  99.90,  -0.59,
04/18 03Z,  -0.40,   1.53,   0.67,  99.90,  -0.46,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 04Z,  -0.40,   1.21,  99.90,   0.34,  -0.47,  (min)
04/18 05Z,  -0.40,   2.18,  99.90,   1.30,  -0.48,
04/18 06Z,  -0.40,   4.25,  99.90,   3.36,  -0.49,
04/18 07Z,  -0.40,   6.91,  99.90,   6.00,  -0.50,
04/18 08Z,  -0.40,   9.48,  99.90,   8.56,  -0.51,
04/18 09Z,  -0.40,  11.28,  99.90,  10.35,  -0.52,
04/18 10Z,  -0.40,  11.79,  99.90,  10.86,  -0.53,  (max)
04/18 11Z,  -0.40,  10.83,  99.90,   9.88,  -0.54,
04/18 12Z,  -0.40,   8.53,  99.90,   7.58,  -0.55,
04/18 13Z,  -0.40,   5.40,  99.90,   4.43,  -0.56,
04/18 14Z,  -0.40,   2.12,  99.90,   1.14,  -0.57,
04/18 15Z,  -0.40,  -0.57,  99.90,  -1.55,  -0.58,
04/18 16Z,  -0.40,  -2.06,  99.90,  -3.05,  -0.58,  (min)
04/18 17Z,  -0.40,  -2.06,  99.90,  -3.05,  -0.58,
04/18 18Z,  -0.40,  -0.62,  99.90,  -1.60,  -0.58,
04/18 19Z,  -0.40,   1.87,  99.90,   0.89,  -0.58,
04/18 20Z,  -0.40,   4.77,  99.90,   3.79,  -0.58,
04/18 21Z,  -0.40,   7.37,  99.90,   6.39,  -0.58,
04/18 22Z,  -0.40,   9.07,  99.90,   8.08,  -0.58,
04/18 23Z,  -0.30,   9.51,  99.90,   8.62,  -0.58,  (max)
04/19 00Z,  -0.30,   8.67,  99.90,   7.79,  -0.58,
04/19 01Z,  -0.30,   6.89,  99.90,   6.00,  -0.58,
04/19 02Z,  -0.30,   4.71,  99.90,   3.82,  -0.58,
04/19 03Z,  -0.30,   2.80,  99.90,   1.91,  -0.58,
04/19 04Z,  -0.30,   1.74,  99.90,   0.85,  -0.58,  (min)
04/19 05Z,  -0.30,   1.88,  99.90,   1.00,  -0.58,
04/19 06Z,  -0.30,   3.26,  99.90,   2.37,  -0.58,
04/19 07Z,  -0.30,   5.56,  99.90,   4.67,  -0.58,
04/19 08Z,  -0.20,   8.21,  99.90,   7.42,  -0.58,
04/19 09Z,  -0.20,  10.52,  99.90,   9.74,  -0.58,
04/19 10Z,  -0.20,  11.87,  99.90,  11.08,  -0.58,  (max)
04/19 11Z,  -0.20,  11.84,  99.90,  11.05,  -0.58,
04/19 12Z,  -0.10,  10.34,  99.90,   9.66,  -0.58,
04/19 13Z,  -0.10,   7.66,  99.90,   6.97,  -0.58,
04/19 14Z,  -0.20,   4.35,  99.90,   3.56,  -0.58,
04/19 15Z,  -0.30,   1.13,  99.90,   0.25,  -0.58,
04/19 16Z,  -0.20,  -1.28,  99.90,  -2.07,  -0.58,
04/19 17Z,  -0.30,  -2.40,  99.90,  -3.28,  -0.58,  (min)
04/19 18Z,  -0.30,  -2.01,  99.90,  -2.89,  -0.58,
04/19 19Z,  -0.20,  -0.28,  99.90,  -1.07,  -0.58,
04/19 20Z,  -0.20,   2.32,  99.90,   1.54,  -0.58,
04/19 21Z,  -0.20,   5.15,  99.90,   4.36,  -0.58,
04/19 22Z,  -0.20,   7.52,  99.90,   6.74,  -0.58,
04/19 23Z,  -0.20,   8.92,  99.90,   8.13,  -0.58,
04/20 00Z,  -0.20,   9.08,  99.90,   8.30,  -0.58,  (max)
04/20 01Z,  -0.20,   8.10,  99.90,   7.32,  -0.58,
04/20 02Z,  -0.20,   6.34,  99.90,   5.56,  -0.58,
04/20 03Z,  -0.20,   4.38,  99.90,   3.60,  -0.58,
04/20 04Z,  -0.20,   2.84,  99.90,   2.06,  -0.58,
04/20 05Z,  -0.20,   2.20,  99.90,   1.42,  -0.58,  (min)
04/20 06Z,  -0.10,   2.72,  99.90,   2.04,  -0.58,
04/20 07Z,  -0.20,   4.32,  99.90,   3.54,  -0.58,
04/20 08Z,  -0.10,   6.64,  99.90,   5.95,  -0.58,
04/20 09Z,  -0.10,   9.08,  99.90,   8.39,  -0.58,
04/20 10Z,  -0.10,  11.01,  99.90,  10.32,  -0.58,
04/20 11Z,  -0.10,  11.88,  99.90,  11.20,  -0.58,  (max)
04/20 12Z,  -0.10,  11.40,  99.90,  10.72,  -0.58,
04/20 13Z,  -0.10,   9.59,  99.90,   8.90,  -0.58,
04/20 14Z,  -0.10,   6.78,  99.90,   6.09,  -0.58,
04/20 15Z,  -0.10,   3.56,  99.90,   2.87,  -0.58,
04/20 16Z,  -0.10,   0.61,  99.90,  -0.07,  -0.58,
04/20 17Z,  -0.20,  -1.44,  99.90,  -2.23,  -0.58,
04/20 18Z,  -0.20,  -2.20,  99.90,  -2.99,  -0.58,  (min)
04/20 19Z,  -0.20,  -1.57,  99.90,  -2.35,  -0.58,
04/20 20Z,  -0.20,   0.24,  99.90,  -0.54,  -0.58,
04/20 21Z,  -0.20,   2.75,  99.90,   1.96,  -0.58,
04/20 22Z,  -0.20,   5.32,  99.90,   4.54,  -0.58,
04/20 23Z,  -0.30,   7.38,  99.90,   6.49,  -0.58,
04/21 00Z,  -0.30,   8.48,  99.90,   7.60,  -0.58,  (max)
04/21 01Z,  -0.30,   8.48,  99.90,   7.59,  -0.58,
04/21 02Z,  -0.30,   7.50,  99.90,   6.61,  -0.58,
04/21 03Z,  -0.30,   5.93,  99.90,   5.04,  -0.58,
04/21 04Z,  -0.40,   4.30,  99.90,   3.31,  -0.58,
04/21 05Z,  -0.30,   3.13,  99.90,   2.25,  -0.58,
04/21 06Z,  -0.30,   2.84,  99.90,   1.95,  -0.58,  (min)
04/21 07Z,  -0.20,   3.56,  99.90,   2.77,  -0.58,
04/21 08Z,  -0.20,   5.17,  99.90,   4.39,  -0.58,
04/21 09Z,  -0.20,   7.29,  99.90,   6.51,  -0.58,
04/21 10Z,  -0.20,   9.39,  99.90,   8.61,  -0.58,
04/21 11Z,  -0.30,  10.90,  99.90,  10.02,  -0.58,
04/21 12Z,  -0.30,  11.39,  99.90,  10.51,  -0.58,  (max)
04/21 13Z,  -0.30,  10.65,  99.90,   9.77,  -0.58,
04/21 14Z,  -0.30,   8.77,  99.90,   7.88,  -0.58,
04/21 15Z,  -0.40,   6.09,  99.90,   5.10,  -0.58,
04/21 16Z,  -0.40,   3.16,  99.90,   2.18,  -0.58,
04/21 17Z,  -0.30,   0.59,  99.90,  -0.29,  -0.58,
04/21 18Z,  -0.40,  -1.11,  99.90,  -2.09,  -0.58,
04/21 19Z,  99.90,  -1.62,  99.90,  99.90,  -0.58,
04/21 20Z,  99.90,  -0.92,  99.90,  99.90,  -0.58,
04/21 21Z,  99.90,   0.77,  99.90,  99.90,  -0.58,
04/21 22Z,  99.90,   3.01,  99.90,  99.90,  -0.58,
04/21 23Z,  99.90,   5.24,  99.90,  99.90,  -0.58,
04/22 00Z,  99.90,   6.99,  99.90,  99.90,  -0.58,