EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 09/11/2026 07:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/09 12Z,   0.90,   3.74,   2.99,  99.90,  -1.65,
09/09 13Z,   0.80,   1.09,   0.36,  99.90,  -1.53,
09/09 14Z,   0.80,  -0.63,  -1.43,  99.90,  -1.60,
09/09 15Z,   0.70,  -1.06,  -1.94,  99.90,  -1.58,  (min)
09/09 16Z,   0.60,  -0.14,  -0.94,  99.90,  -1.40,
09/09 17Z,   0.60,   1.92,   0.96,  99.90,  -1.56,
09/09 18Z,   0.70,   4.60,   3.57,  99.90,  -1.73,
09/09 19Z,   0.70,   7.21,   6.19,  99.90,  -1.72,
09/09 20Z,   0.70,   9.14,   8.13,  99.90,  -1.71,
09/09 21Z,   0.70,  10.00,   8.94,  99.90,  -1.76,  (max)
09/09 22Z,   0.70,   9.65,   8.58,  99.90,  -1.77,
09/09 23Z,   0.70,   8.17,   7.10,  99.90,  -1.77,
09/10 00Z,   0.70,   5.97,   4.76,  99.90,  -1.91,
09/10 01Z,   0.70,   3.70,   2.46,  99.90,  -1.94,
09/10 02Z,   0.60,   2.03,   0.74,  99.90,  -1.89,
09/10 03Z,   0.60,   1.46,   0.22,  99.90,  -1.84,  (min)
09/10 04Z,   0.60,   2.15,   0.96,  99.90,  -1.79,
09/10 05Z,   0.50,   3.97,   2.75,  99.90,  -1.72,
09/10 06Z,   0.60,   6.48,   5.25,  99.90,  -1.83,
09/10 07Z,   0.60,   9.00,   7.79,  99.90,  -1.81,
09/10 08Z,   0.60,  10.84,   9.63,  99.90,  -1.81,
09/10 09Z,   0.60,  11.53,  10.36,  99.90,  -1.77,  (max)
09/10 10Z,   0.60,  10.87,   9.71,  99.90,  -1.76,
09/10 11Z,   0.50,   8.93,   7.74,  99.90,  -1.69,
09/10 12Z,   0.50,   6.07,   4.96,  99.90,  -1.61,
09/10 13Z,   0.50,   2.96,   1.79,  99.90,  -1.67,
09/10 14Z,   0.50,   0.37,  -0.91,  99.90,  -1.78,
09/10 15Z,   0.40,  -1.04,  -2.31,  99.90,  -1.67,
09/10 16Z,   0.40,  -0.98,  -2.32,  99.90,  -1.74,  (min)
09/10 17Z,   0.40,   0.52,  -0.94,  99.90,  -1.86,
09/10 18Z,   0.40,   3.09,   1.75,  99.90,  -1.74,
09/10 19Z,   0.40,   6.07,   4.88,  99.90,  -1.59,
09/10 20Z,   0.40,   8.70,   7.56,  99.90,  -1.54,
09/10 21Z,   0.40,  10.35,   9.11,  99.90,  -1.64,
09/10 22Z,   0.40,  10.72,   9.40,  99.90,  -1.72,  (max)
09/10 23Z,   0.40,   9.74,   8.41,  99.90,  -1.73,
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,   0.30,   6.79,   5.48,  99.90,  -1.61,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 08Z,   0.30,   9.41,  99.90,   8.10,  -1.61,
09/11 09Z,   0.30,  11.12,  99.90,   9.81,  -1.61,
09/11 10Z,   0.30,  11.51,  99.90,  10.20,  -1.61,  (max)
09/11 11Z,   0.20,  10.48,  99.90,   9.07,  -1.61,
09/11 12Z,   0.20,   8.21,  99.90,   6.80,  -1.61,
09/11 13Z,   0.20,   5.16,  99.90,   3.76,  -1.61,
09/11 14Z,   0.20,   2.12,  99.90,   0.71,  -1.61,
09/11 15Z,   0.20,  -0.12,  99.90,  -1.53,  -1.61,
09/11 16Z,   0.30,  -0.98,  99.90,  -2.29,  -1.61,  (min)
09/11 17Z,   0.30,  -0.28,  99.90,  -1.58,  -1.61,
09/11 18Z,   0.40,   1.79,  99.90,   0.59,  -1.60,
09/11 19Z,   0.40,   4.72,  99.90,   3.52,  -1.60,
09/11 20Z,   0.50,   7.75,  99.90,   6.64,  -1.60,
09/11 21Z,   0.40,  10.09,  99.90,   8.89,  -1.60,
09/11 22Z,   0.40,  11.23,  99.90,  10.02,  -1.60,  (max)
09/11 23Z,   0.40,  10.93,  99.90,   9.73,  -1.60,
09/12 00Z,   0.40,   9.29,  99.90,   8.09,  -1.60,
09/12 01Z,   0.30,   6.66,  99.90,   5.36,  -1.60,
09/12 02Z,   0.30,   3.70,  99.90,   2.40,  -1.60,
09/12 03Z,   0.30,   1.23,  99.90,  -0.07,  -1.60,
09/12 04Z,   0.30,  -0.07,  99.90,  -1.37,  -1.60,  (min)
09/12 05Z,   0.40,   0.12,  99.90,  -1.08,  -1.60,
09/12 06Z,   0.40,   1.73,  99.90,   0.52,  -1.60,
09/12 07Z,   0.50,   4.34,  99.90,   3.24,  -1.60,
09/12 08Z,   0.50,   7.28,  99.90,   6.17,  -1.60,
09/12 09Z,   0.60,   9.74,  99.90,   8.74,  -1.60,
09/12 10Z,   0.60,  11.11,  99.90,  10.10,  -1.60,  (max)
09/12 11Z,   0.60,  11.08,  99.90,  10.08,  -1.60,
09/12 12Z,   0.60,   9.68,  99.90,   8.67,  -1.60,
09/12 13Z,   0.60,   7.19,  99.90,   6.18,  -1.60,
09/12 14Z,   0.60,   4.19,  99.90,   3.19,  -1.60,
09/12 15Z,   0.50,   1.49,  99.90,   0.39,  -1.60,
09/12 16Z,   0.60,  -0.16,  99.90,  -1.16,  -1.60,
09/12 17Z,   0.60,  -0.32,  99.90,  -1.33,  -1.60,  (min)
09/12 18Z,   0.60,   1.01,  99.90,   0.01,  -1.60,
09/12 19Z,   0.60,   3.51,  99.90,   2.50,  -1.60,
09/12 20Z,   0.70,   6.53,  99.90,   5.63,  -1.60,
09/12 21Z,   0.80,   9.30,  99.90,   8.49,  -1.60,
09/12 22Z,   0.80,  11.10,  99.90,  10.30,  -1.60,
09/12 23Z,   0.80,  11.54,  99.90,  10.74,  -1.60,  (max)
09/13 00Z,   0.80,  10.56,  99.90,   9.75,  -1.60,
09/13 01Z,   0.70,   8.36,  99.90,   7.46,  -1.60,
09/13 02Z,   0.80,   5.43,  99.90,   4.62,  -1.60,
09/13 03Z,   0.80,   2.48,  99.90,   1.68,  -1.60,
09/13 04Z,   0.80,   0.32,  99.90,  -0.48,  -1.60,
09/13 05Z,   0.70,  -0.49,  99.90,  -1.39,  -1.60,  (min)
09/13 06Z,   0.80,   0.22,  99.90,  -0.59,  -1.60,
09/13 07Z,   0.70,   2.21,  99.90,   1.30,  -1.60,
09/13 08Z,   0.80,   4.96,  99.90,   4.16,  -1.60,
09/13 09Z,   0.80,   7.75,  99.90,   6.95,  -1.60,
09/13 10Z,   0.80,   9.84,  99.90,   9.04,  -1.60,
09/13 11Z,   0.70,  10.74,  99.90,   9.83,  -1.60,  (max)
09/13 12Z,   0.70,  10.28,  99.90,   9.37,  -1.60,
09/13 13Z,   0.70,   8.61,  99.90,   7.70,  -1.60,
09/13 14Z,   0.70,   6.11,  99.90,   5.20,  -1.60,
09/13 15Z,   0.70,   3.41,  99.90,   2.51,  -1.60,
09/13 16Z,   0.70,   1.28,  99.90,   0.38,  -1.60,
09/13 17Z,   0.70,   0.35,  99.90,  -0.55,  -1.60,  (min)
09/13 18Z,   0.80,   0.88,  99.90,   0.08,  -1.60,
09/13 19Z,   0.80,   2.70,  99.90,   1.90,  -1.60,
09/13 20Z,   0.80,   5.36,  99.90,   4.56,  -1.60,
09/13 21Z,   0.80,   8.18,  99.90,   7.38,  -1.60,
09/13 22Z,   0.80,  10.42,  99.90,   9.62,  -1.60,
09/13 23Z,   0.80,  11.52,  99.90,  10.72,  -1.60,  (max)
09/14 00Z,   0.70,  11.25,  99.90,  10.34,  -1.60,
09/14 01Z,   0.70,   9.68,  99.90,   8.78,  -1.60,
09/14 02Z,   0.70,   7.15,  99.90,   6.24,  -1.60,
09/14 03Z,   0.70,   4.19,  99.90,   3.29,  -1.60,
09/14 04Z,   0.70,   1.54,  99.90,   0.63,  -1.60,
09/14 05Z,   0.80,  -0.11,  99.90,  -0.92,  -1.60,
09/14 06Z,   0.80,  -0.36,  99.90,  -1.16,  -1.60,  (min)
09/14 07Z,   0.90,   0.78,  99.90,   0.08,  -1.60,
09/14 08Z,   0.90,   2.96,  99.90,   2.26,  -1.60,
09/14 09Z,   1.00,   5.61,  99.90,   5.01,  -1.60,
09/14 10Z,   0.90,   8.04,  99.90,   7.34,  -1.60,
09/14 11Z,   0.90,   9.63,  99.90,   8.92,  -1.60,
09/14 12Z,   0.90,  10.02,  99.90,   9.32,  -1.60,  (max)
09/14 13Z,   0.90,   9.23,  99.90,   8.53,  -1.60,
09/14 14Z,   0.80,   7.48,  99.90,   6.67,  -1.60,
09/14 15Z,   0.80,   5.20,  99.90,   4.40,  -1.60,
09/14 16Z,   0.70,   3.01,  99.90,   2.11,  -1.60,
09/14 17Z,   0.70,   1.58,  99.90,   0.68,  -1.60,
09/14 18Z,   0.80,   1.37,  99.90,   0.57,  -1.60,  (min)
09/14 19Z,   0.80,   2.44,  99.90,   1.64,  -1.60,
09/14 20Z,   0.70,   4.50,  99.90,   3.60,  -1.60,
09/14 21Z,   0.70,   7.03,  99.90,   6.12,  -1.60,
09/14 22Z,   0.70,   9.38,  99.90,   8.48,  -1.60,
09/14 23Z,   0.70,  10.94,  99.90,  10.04,  -1.60,
09/15 00Z,   0.70,  11.32,  99.90,  10.41,  -1.60,