EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Surge List
West Coast
#Sitka, AK : 04/16/2026 22:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 06Z,   0.00,   7.62,   7.25,  99.90,  -0.37,
04/15 07Z,   0.00,   9.05,   8.69,  99.90,  -0.36,
04/15 08Z,   0.00,   9.52,   9.22,  99.90,  -0.30,  (max)
04/15 09Z,   0.00,   8.90,   8.60,  99.90,  -0.30,
04/15 10Z,   0.00,   7.34,   7.14,  99.90,  -0.20,
04/15 11Z,   0.00,   5.23,   5.01,  99.90,  -0.22,
04/15 12Z,   0.00,   3.08,   2.85,  99.90,  -0.23,
04/15 13Z,   0.00,   1.44,   1.16,  99.90,  -0.28,
04/15 14Z,   0.00,   0.72,   0.41,  99.90,  -0.31,  (min)
04/15 15Z,  -0.10,   1.08,   0.68,  99.90,  -0.30,
04/15 16Z,  -0.10,   2.44,   2.03,  99.90,  -0.31,
04/15 17Z,  -0.10,   4.44,   3.91,  99.90,  -0.43,
04/15 18Z,   0.00,   6.55,   6.07,  99.90,  -0.48,
04/15 19Z,   0.00,   8.24,   7.65,  99.90,  -0.59,
04/15 20Z,   0.00,   9.05,   8.51,  99.90,  -0.54,  (max)
04/15 21Z,  -0.10,   8.79,   8.16,  99.90,  -0.53,
04/15 22Z,  -0.10,   7.50,   6.95,  99.90,  -0.45,
04/15 23Z,  -0.10,   5.53,   4.93,  99.90,  -0.50,
04/16 00Z,  -0.10,   3.40,   2.84,  99.90,  -0.46,
04/16 01Z,  -0.10,   1.68,   1.12,  99.90,  -0.46,
04/16 02Z,  -0.10,   0.83,   0.17,  99.90,  -0.56,  (min)
04/16 03Z,  -0.20,   1.13,   0.50,  99.90,  -0.43,
04/16 04Z,  -0.20,   2.51,   1.85,  99.90,  -0.46,
04/16 05Z,  -0.20,   4.67,   3.95,  99.90,  -0.52,
04/16 06Z,  -0.20,   7.07,   6.41,  99.90,  -0.46,
04/16 07Z,  -0.20,   9.10,   8.46,  99.90,  -0.44,
04/16 08Z,  -0.20,  10.24,   9.60,  99.90,  -0.44,  (max)
04/16 09Z,  -0.20,  10.17,   9.58,  99.90,  -0.39,
04/16 10Z,  -0.20,   8.87,   8.33,  99.90,  -0.34,
04/16 11Z,  -0.20,   6.63,   6.13,  99.90,  -0.30,
04/16 12Z,  -0.20,   3.98,   3.48,  99.90,  -0.30,
04/16 13Z,  -0.20,   1.56,   1.10,  99.90,  -0.26,
04/16 14Z,  -0.20,  -0.07,  -0.57,  99.90,  -0.30,
04/16 15Z,  -0.20,  -0.50,  -1.10,  99.90,  -0.40,  (min)
04/16 16Z,  -0.30,   0.34,  -0.32,  99.90,  -0.36,
04/16 17Z,  -0.20,   2.23,   1.54,  99.90,  -0.49,
04/16 18Z,  -0.20,   4.68,   3.96,  99.90,  -0.52,
04/16 19Z,  -0.20,   7.08,   6.33,  99.90,  -0.55,
04/16 20Z,  -0.20,   8.81,   8.02,  99.90,  -0.59,
04/16 21Z,  -0.20,   9.47,   8.63,  99.90,  -0.64,  (max)
04/16 22Z,  -0.20,   8.91,   8.04,  99.90,  -0.67,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 23Z,  -0.20,   7.31,  99.90,   6.48,  -0.64,
04/17 00Z,  -0.10,   5.13,  99.90,   4.43,  -0.60,
04/17 01Z,  -0.20,   2.98,  99.90,   2.21,  -0.57,
04/17 02Z,  -0.20,   1.46,  99.90,   0.72,  -0.53,
04/17 03Z,  -0.20,   1.01,  99.90,   0.31,  -0.50,  (min)
04/17 04Z,  -0.20,   1.80,  99.90,   1.13,  -0.47,
04/17 05Z,  -0.20,   3.66,  99.90,   3.03,  -0.43,
04/17 06Z,  -0.30,   6.14,  99.90,   5.45,  -0.40,
04/17 07Z,  -0.30,   8.62,  99.90,   7.95,  -0.36,
04/17 08Z,  -0.30,  10.43,  99.90,   9.80,  -0.33,
04/17 09Z,  -0.30,  11.09,  99.90,  10.50,  -0.30,  (max)
04/17 10Z,  -0.30,  10.37,  99.90,   9.81,  -0.26,
04/17 11Z,  -0.30,   8.39,  99.90,   7.83,  -0.26,
04/17 12Z,  -0.30,   5.58,  99.90,   5.02,  -0.26,
04/17 13Z,  -0.30,   2.59,  99.90,   2.03,  -0.26,
04/17 14Z,  -0.30,   0.10,  99.90,  -0.46,  -0.26,
04/17 15Z,  -0.40,  -1.31,  99.90,  -1.98,  -0.26,
04/17 16Z,  -0.40,  -1.33,  99.90,  -2.00,  -0.26,  (min)
04/17 17Z,  -0.30,   0.01,  99.90,  -0.55,  -0.26,
04/17 18Z,  -0.30,   2.36,  99.90,   1.80,  -0.26,
04/17 19Z,  -0.30,   5.12,  99.90,   4.56,  -0.26,
04/17 20Z,  -0.30,   7.61,  99.90,   7.04,  -0.26,
04/17 21Z,  -0.30,   9.23,  99.90,   8.67,  -0.26,
04/17 22Z,  -0.20,   9.63,  99.90,   9.17,  -0.26,  (max)
04/17 23Z,  -0.20,   8.77,  99.90,   8.31,  -0.26,
04/18 00Z,  -0.10,   6.94,  99.90,   6.58,  -0.26,
04/18 01Z,  -0.10,   4.70,  99.90,   4.34,  -0.26,
04/18 02Z,  -0.10,   2.70,  99.90,   2.34,  -0.26,
04/18 03Z,  -0.10,   1.52,  99.90,   1.16,  -0.26,  (min)
04/18 04Z,  -0.10,   1.54,  99.90,   1.18,  -0.26,
04/18 05Z,  -0.10,   2.80,  99.90,   2.43,  -0.26,
04/18 06Z,  -0.10,   5.01,  99.90,   4.65,  -0.26,
04/18 07Z,  -0.10,   7.62,  99.90,   7.26,  -0.26,
04/18 08Z,  -0.10,   9.95,  99.90,   9.59,  -0.26,
04/18 09Z,  -0.10,  11.38,  99.90,  11.01,  -0.26,
04/18 10Z,  -0.10,  11.47,  99.90,  11.10,  -0.26,  (max)
04/18 11Z,  -0.10,  10.12,  99.90,   9.76,  -0.26,
04/18 12Z,  -0.10,   7.59,  99.90,   7.22,  -0.26,
04/18 13Z,   0.00,   4.41,  99.90,   4.15,  -0.26,
04/18 14Z,   0.00,   1.31,  99.90,   1.05,  -0.26,
04/18 15Z,  -0.10,  -1.04,  99.90,  -1.40,  -0.26,
04/18 16Z,  -0.10,  -2.10,  99.90,  -2.46,  -0.26,  (min)
04/18 17Z,  -0.10,  -1.68,  99.90,  -2.04,  -0.26,
04/18 18Z,  -0.10,   0.08,  99.90,  -0.28,  -0.26,
04/18 19Z,  -0.10,   2.72,  99.90,   2.36,  -0.26,
04/18 20Z,  -0.10,   5.58,  99.90,   5.22,  -0.26,
04/18 21Z,   0.00,   7.98,  99.90,   7.72,  -0.26,
04/18 22Z,   0.00,   9.37,  99.90,   9.11,  -0.26,
04/18 23Z,   0.00,   9.48,  99.90,   9.22,  -0.26,  (max)
04/19 00Z,   0.00,   8.39,  99.90,   8.13,  -0.26,
04/19 01Z,   0.00,   6.48,  99.90,   6.22,  -0.26,
04/19 02Z,   0.00,   4.35,  99.90,   4.09,  -0.26,
04/19 03Z,   0.00,   2.65,  99.90,   2.39,  -0.26,
04/19 04Z,   0.00,   1.89,  99.90,   1.63,  -0.26,  (min)
04/19 05Z,   0.00,   2.34,  99.90,   2.08,  -0.26,
04/19 06Z,   0.00,   3.94,  99.90,   3.68,  -0.26,
04/19 07Z,   0.00,   6.31,  99.90,   6.05,  -0.26,
04/19 08Z,   0.00,   8.84,  99.90,   8.58,  -0.26,
04/19 09Z,   0.00,  10.86,  99.90,  10.60,  -0.26,
04/19 10Z,   0.00,  11.80,  99.90,  11.54,  -0.26,  (max)
04/19 11Z,   0.00,  11.34,  99.90,  11.08,  -0.26,
04/19 12Z,   0.00,   9.51,  99.90,   9.24,  -0.26,
04/19 13Z,   0.10,   6.64,  99.90,   6.48,  -0.26,
04/19 14Z,   0.00,   3.36,  99.90,   3.10,  -0.26,
04/19 15Z,   0.10,   0.38,  99.90,   0.22,  -0.26,
04/19 16Z,   0.00,  -1.66,  99.90,  -1.93,  -0.26,
04/19 17Z,   0.00,  -2.34,  99.90,  -2.60,  -0.26,  (min)
04/19 18Z,   0.00,  -1.56,  99.90,  -1.82,  -0.26,
04/19 19Z,   0.00,   0.45,  99.90,   0.19,  -0.26,
04/19 20Z,   0.00,   3.17,  99.90,   2.90,  -0.26,
04/19 21Z,   0.00,   5.92,  99.90,   5.66,  -0.26,
04/19 22Z,   0.00,   8.08,  99.90,   7.82,  -0.26,
04/19 23Z,   0.00,   9.19,  99.90,   8.93,  -0.26,  (max)
04/20 00Z,   0.00,   9.07,  99.90,   8.80,  -0.26,
04/20 01Z,   0.00,   7.88,  99.90,   7.62,  -0.26,
04/20 02Z,   0.00,   6.05,  99.90,   5.79,  -0.26,
04/20 03Z,   0.00,   4.18,  99.90,   3.92,  -0.26,
04/20 04Z,   0.00,   2.85,  99.90,   2.58,  -0.26,
04/20 05Z,   0.00,   2.49,  99.90,   2.22,  -0.26,  (min)
04/20 06Z,   0.00,   3.26,  99.90,   3.00,  -0.26,
04/20 07Z,   0.00,   5.02,  99.90,   4.76,  -0.26,
04/20 08Z,   0.00,   7.34,  99.90,   7.07,  -0.26,
04/20 09Z,   0.00,   9.60,  99.90,   9.34,  -0.26,
04/20 10Z,   0.00,  11.21,  99.90,  10.95,  -0.26,
04/20 11Z,   0.10,  11.68,  99.90,  11.52,  -0.26,  (max)
04/20 12Z,   0.10,  10.81,  99.90,  10.65,  -0.26,
04/20 13Z,  99.90,   8.71,  99.90,  99.90,  -0.26,
04/20 14Z,  99.90,   5.78,  99.90,  99.90,  -0.26,
04/20 15Z,  99.90,   2.64,  99.90,  99.90,  -0.26,
04/20 16Z,  99.90,  -0.05,  99.90,  99.90,  -0.26,
04/20 17Z,  99.90,  -1.74,  99.90,  99.90,  -0.26,
04/20 18Z,  99.90,  -2.09,  99.90,  99.90,  -0.26,