EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 09/12/2026 19:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 00Z,   0.30,   7.64,   6.37,  99.90,  -1.57,
09/11 01Z,   0.30,   4.95,   3.65,  99.90,  -1.60,
09/11 02Z,   0.30,   2.44,   1.07,  99.90,  -1.67,
09/11 03Z,   0.40,   0.83,  -0.49,  99.90,  -1.72,
09/11 04Z,   0.30,   0.56,  -0.70,  99.90,  -1.56,  (min)
09/11 05Z,   0.40,   1.69,   0.40,  99.90,  -1.69,
09/11 06Z,   0.30,   3.96,   2.57,  99.90,  -1.69,
09/11 07Z,   0.40,   6.79,   5.48,  99.90,  -1.71,
09/11 08Z,   0.40,   9.41,   8.21,  99.90,  -1.60,
09/11 09Z,   0.40,  11.12,  10.06,  99.90,  -1.46,
09/11 10Z,   0.40,  11.51,  10.40,  99.90,  -1.51,  (max)
09/11 11Z,   0.40,  10.48,   9.32,  99.90,  -1.56,
09/11 12Z,   0.30,   8.21,   7.13,  99.90,  -1.38,
09/11 13Z,   0.30,   5.16,   4.11,  99.90,  -1.35,
09/11 14Z,   0.30,   2.12,   0.99,  99.90,  -1.43,
09/11 15Z,   0.30,  -0.12,  -1.33,  99.90,  -1.51,
09/11 16Z,   0.30,  -0.98,  -2.19,  99.90,  -1.51,  (min)
09/11 17Z,   0.30,  -0.28,  -1.45,  99.90,  -1.47,
09/11 18Z,   0.20,   1.79,   0.66,  99.90,  -1.33,
09/11 19Z,   0.30,   4.72,   3.59,  99.90,  -1.43,
09/11 20Z,   0.40,   7.75,   6.67,  99.90,  -1.48,
09/11 21Z,   0.40,  10.09,   9.00,  99.90,  -1.49,
09/11 22Z,   0.40,  11.23,  10.14,  99.90,  -1.49,  (max)
09/11 23Z,   0.40,  10.93,   9.84,  99.90,  -1.49,
09/12 00Z,   0.40,   9.29,   8.26,  99.90,  -1.43,
09/12 01Z,   0.40,   6.66,   5.70,  99.90,  -1.36,
09/12 02Z,   0.40,   3.70,   2.70,  99.90,  -1.40,
09/12 03Z,   0.40,   1.23,   0.05,  99.90,  -1.58,
09/12 04Z,   0.40,  -0.07,  -1.22,  99.90,  -1.55,  (min)
09/12 05Z,   0.40,   0.12,  -0.89,  99.90,  -1.41,
09/12 06Z,   0.40,   1.73,   0.74,  99.90,  -1.39,
09/12 07Z,   0.50,   4.34,   3.28,  99.90,  -1.56,
09/12 08Z,   0.50,   7.28,   6.26,  99.90,  -1.52,
09/12 09Z,   0.50,   9.74,   8.82,  99.90,  -1.42,
09/12 10Z,   0.60,  11.11,  10.24,  99.90,  -1.47,  (max)
09/12 11Z,   0.50,  11.08,  10.11,  99.90,  -1.47,
09/12 12Z,   0.50,   9.68,   8.71,  99.90,  -1.47,
09/12 13Z,   0.50,   7.19,   6.31,  99.90,  -1.38,
09/12 14Z,   0.50,   4.19,   3.32,  99.90,  -1.37,
09/12 15Z,   0.50,   1.49,   0.53,  99.90,  -1.46,
09/12 16Z,   0.50,  -0.16,  -1.12,  99.90,  -1.46,
09/12 17Z,   0.50,  -0.32,  -1.31,  99.90,  -1.49,  (min)
09/12 18Z,   0.60,   1.01,   0.12,  99.90,  -1.49,
09/12 19Z,   0.60,   3.51,   2.71,  99.90,  -1.40,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 20Z,   0.60,   6.53,  99.90,   5.72,  -1.41,
09/12 21Z,   0.60,   9.30,  99.90,   8.47,  -1.43,
09/12 22Z,   0.60,  11.10,  99.90,  10.26,  -1.45,
09/12 23Z,   0.60,  11.54,  99.90,  10.68,  -1.46,  (max)
09/13 00Z,   0.60,  10.56,  99.90,   9.68,  -1.48,
09/13 01Z,   0.70,   8.36,  99.90,   7.57,  -1.49,
09/13 02Z,   0.70,   5.43,  99.90,   4.62,  -1.51,
09/13 03Z,   0.70,   2.48,  99.90,   1.65,  -1.53,
09/13 04Z,   0.80,   0.32,  99.90,  -0.42,  -1.54,
09/13 05Z,   0.80,  -0.49,  99.90,  -1.25,  -1.56,  (min)
09/13 06Z,   0.90,   0.22,  99.90,  -0.46,  -1.58,
09/13 07Z,   0.80,   2.21,  99.90,   1.41,  -1.59,
09/13 08Z,   0.80,   4.96,  99.90,   4.17,  -1.59,
09/13 09Z,   0.80,   7.75,  99.90,   6.96,  -1.59,
09/13 10Z,   0.80,   9.84,  99.90,   9.05,  -1.59,
09/13 11Z,   0.70,  10.74,  99.90,   9.85,  -1.59,  (max)
09/13 12Z,   0.60,  10.28,  99.90,   9.29,  -1.59,
09/13 13Z,   0.60,   8.61,  99.90,   7.61,  -1.59,
09/13 14Z,   0.60,   6.11,  99.90,   5.12,  -1.59,
09/13 15Z,   0.60,   3.41,  99.90,   2.42,  -1.59,
09/13 16Z,   0.60,   1.28,  99.90,   0.29,  -1.59,
09/13 17Z,   0.70,   0.35,  99.90,  -0.54,  -1.59,  (min)
09/13 18Z,   0.70,   0.88,  99.90,  -0.01,  -1.59,
09/13 19Z,   0.80,   2.70,  99.90,   1.91,  -1.59,
09/13 20Z,   0.80,   5.36,  99.90,   4.57,  -1.59,
09/13 21Z,   0.90,   8.18,  99.90,   7.49,  -1.59,
09/13 22Z,   0.90,  10.42,  99.90,   9.73,  -1.59,
09/13 23Z,   0.80,  11.52,  99.90,  10.73,  -1.59,  (max)
09/14 00Z,   0.80,  11.25,  99.90,  10.45,  -1.59,
09/14 01Z,   0.70,   9.68,  99.90,   8.79,  -1.59,
09/14 02Z,   0.70,   7.15,  99.90,   6.26,  -1.59,
09/14 03Z,   0.70,   4.19,  99.90,   3.30,  -1.59,
09/14 04Z,   0.70,   1.54,  99.90,   0.64,  -1.59,
09/14 05Z,   0.70,  -0.11,  99.90,  -1.01,  -1.59,
09/14 06Z,   0.70,  -0.36,  99.90,  -1.25,  -1.59,  (min)
09/14 07Z,   0.80,   0.78,  99.90,  -0.01,  -1.59,
09/14 08Z,   0.90,   2.96,  99.90,   2.27,  -1.59,
09/14 09Z,   0.90,   5.61,  99.90,   4.92,  -1.59,
09/14 10Z,   0.90,   8.04,  99.90,   7.35,  -1.59,
09/14 11Z,   0.90,   9.63,  99.90,   8.93,  -1.59,
09/14 12Z,   1.00,  10.02,  99.90,   9.43,  -1.59,  (max)
09/14 13Z,   0.90,   9.23,  99.90,   8.54,  -1.59,
09/14 14Z,   0.90,   7.48,  99.90,   6.79,  -1.59,
09/14 15Z,   0.80,   5.20,  99.90,   4.41,  -1.59,
09/14 16Z,   0.80,   3.01,  99.90,   2.22,  -1.59,
09/14 17Z,   0.70,   1.58,  99.90,   0.69,  -1.59,
09/14 18Z,   0.70,   1.37,  99.90,   0.48,  -1.59,  (min)
09/14 19Z,   0.70,   2.44,  99.90,   1.55,  -1.59,
09/14 20Z,   0.80,   4.50,  99.90,   3.71,  -1.59,
09/14 21Z,   0.70,   7.03,  99.90,   6.13,  -1.59,
09/14 22Z,   0.70,   9.38,  99.90,   8.49,  -1.59,
09/14 23Z,   0.80,  10.94,  99.90,  10.15,  -1.59,
09/15 00Z,   0.70,  11.32,  99.90,  10.43,  -1.59,  (max)
09/15 01Z,   0.70,  10.44,  99.90,   9.55,  -1.59,
09/15 02Z,   0.70,   8.51,  99.90,   7.62,  -1.59,
09/15 03Z,   0.70,   5.92,  99.90,   5.03,  -1.59,
09/15 04Z,   0.70,   3.21,  99.90,   2.32,  -1.59,
09/15 05Z,   0.70,   1.05,  99.90,   0.16,  -1.59,
09/15 06Z,   0.70,  -0.02,  99.90,  -0.91,  -1.59,  (min)
09/15 07Z,   0.70,   0.23,  99.90,  -0.66,  -1.59,
09/15 08Z,   0.70,   1.63,  99.90,   0.73,  -1.59,
09/15 09Z,   0.70,   3.77,  99.90,   2.87,  -1.59,
09/15 10Z,   0.70,   6.10,  99.90,   5.20,  -1.59,
09/15 11Z,   0.70,   8.02,  99.90,   7.13,  -1.59,
09/15 12Z,   0.60,   9.08,  99.90,   8.09,  -1.59,  (max)
09/15 13Z,   0.60,   9.08,  99.90,   8.08,  -1.59,
09/15 14Z,   0.60,   8.12,  99.90,   7.13,  -1.59,
09/15 15Z,   0.60,   6.51,  99.90,   5.51,  -1.59,
09/15 16Z,   0.60,   4.64,  99.90,   3.65,  -1.59,
09/15 17Z,   0.70,   3.07,  99.90,   2.18,  -1.59,
09/15 18Z,   0.70,   2.34,  99.90,   1.45,  -1.59,  (min)
09/15 19Z,   0.70,   2.71,  99.90,   1.82,  -1.59,
09/15 20Z,   0.70,   4.08,  99.90,   3.19,  -1.59,
09/15 21Z,   0.70,   6.09,  99.90,   5.19,  -1.59,
09/15 22Z,   0.70,   8.23,  99.90,   7.34,  -1.59,
09/15 23Z,   0.70,   9.97,  99.90,   9.08,  -1.59,
09/16 00Z,   0.70,  10.84,  99.90,   9.95,  -1.59,  (max)
09/16 01Z,   0.60,  10.62,  99.90,   9.63,  -1.59,
09/16 02Z,   0.60,   9.36,  99.90,   8.37,  -1.59,
09/16 03Z,   0.60,   7.35,  99.90,   6.35,  -1.59,
09/16 04Z,   0.70,   4.95,  99.90,   4.06,  -1.59,
09/16 05Z,   0.70,   2.68,  99.90,   1.79,  -1.59,
09/16 06Z,   0.80,   1.08,  99.90,   0.29,  -1.59,
09/16 07Z,   0.80,   0.53,  99.90,  -0.26,  -1.59,  (min)
09/16 08Z,   0.80,   1.09,  99.90,   0.29,  -1.59,
09/16 09Z,   0.80,   2.51,  99.90,   1.71,  -1.59,
09/16 10Z,   0.80,   4.39,  99.90,   3.59,  -1.59,
09/16 11Z,   0.80,   6.26,  99.90,   5.47,  -1.59,
09/16 12Z,   0.70,   7.67,  99.90,   6.78,  -1.59,