EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 08/11/2026 10:22:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/09 18Z,   0.30,   5.94,   4.91,  99.90,  -1.33,
08/09 19Z,   0.30,   7.08,   6.23,  99.90,  -1.15,
08/09 20Z,   0.30,   7.52,   6.65,  99.90,  -1.17,  (max)
08/09 21Z,   0.30,   7.28,   6.29,  99.90,  -1.29,
08/09 22Z,   0.30,   6.45,   5.61,  99.90,  -1.14,
08/09 23Z,   0.30,   5.37,   4.56,  99.90,  -1.11,
08/10 00Z,   0.30,   4.48,   3.62,  99.90,  -1.16,
08/10 01Z,   0.30,   4.16,   3.31,  99.90,  -1.15,  (min)
08/10 02Z,   0.30,   4.57,   3.75,  99.90,  -1.12,
08/10 03Z,   0.30,   5.68,   4.84,  99.90,  -1.14,
08/10 04Z,   0.30,   7.31,   6.39,  99.90,  -1.22,
08/10 05Z,   0.30,   9.10,   8.18,  99.90,  -1.22,
08/10 06Z,   0.40,  10.53,   9.65,  99.90,  -1.28,
08/10 07Z,   0.40,  11.19,  10.29,  99.90,  -1.30,  (max)
08/10 08Z,   0.40,  10.85,   9.93,  99.90,  -1.32,
08/10 09Z,   0.40,   9.49,   8.59,  99.90,  -1.30,
08/10 10Z,   0.40,   7.26,   6.35,  99.90,  -1.31,
08/10 11Z,   0.40,   4.52,   3.54,  99.90,  -1.38,
08/10 12Z,   0.40,   1.83,   1.01,  99.90,  -1.22,
08/10 13Z,   0.40,  -0.22,  -1.04,  99.90,  -1.22,
08/10 14Z,   0.30,  -1.23,  -2.06,  99.90,  -1.13,  (min)
08/10 15Z,   0.30,  -1.06,  -1.90,  99.90,  -1.14,
08/10 16Z,   0.30,   0.21,  -0.69,  99.90,  -1.20,
08/10 17Z,   0.30,   2.26,   1.31,  99.90,  -1.25,
08/10 18Z,   0.40,   4.58,   3.59,  99.90,  -1.39,
08/10 19Z,   0.40,   6.61,   5.68,  99.90,  -1.33,
08/10 20Z,   0.40,   7.95,   6.99,  99.90,  -1.36,
08/10 21Z,   0.40,   8.38,   7.55,  99.90,  -1.23,  (max)
08/10 22Z,   0.40,   7.91,   7.05,  99.90,  -1.26,
08/10 23Z,   0.40,   6.70,   5.87,  99.90,  -1.23,
08/11 00Z,   0.40,   5.17,   4.43,  99.90,  -1.14,
08/11 01Z,   0.40,   3.89,   3.23,  99.90,  -1.06,
08/11 02Z,   0.40,   3.33,   2.54,  99.90,  -1.19,  (min)
08/11 03Z,   0.40,   3.72,   2.91,  99.90,  -1.21,
08/11 04Z,   0.40,   5.03,   4.30,  99.90,  -1.13,
08/11 05Z,   0.50,   7.02,   6.22,  99.90,  -1.30,
08/11 06Z,   0.50,   9.18,   8.33,  99.90,  -1.35,
08/11 07Z,   0.50,  10.93,  10.13,  99.90,  -1.30,
08/11 08Z,   0.50,  11.75,  10.93,  99.90,  -1.32,  (max)
08/11 09Z,   0.50,  11.39,  10.50,  99.90,  -1.39,
08/11 10Z,   0.50,   9.82,   8.91,  99.90,  -1.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 11Z,   0.50,   7.24,  99.90,   6.34,  -1.40,
08/11 12Z,   0.50,   4.11,  99.90,   3.22,  -1.39,
08/11 13Z,   0.40,   1.12,  99.90,   0.14,  -1.38,
08/11 14Z,   0.40,  -1.07,  99.90,  -2.04,  -1.37,
08/11 15Z,   0.50,  -1.99,  99.90,  -2.85,  -1.36,  (min)
08/11 16Z,   0.50,  -1.52,  99.90,  -2.37,  -1.35,
08/11 17Z,   0.40,   0.19,  99.90,  -0.75,  -1.34,
08/11 18Z,   0.40,   2.72,  99.90,   1.78,  -1.33,
08/11 19Z,   0.40,   5.42,  99.90,   4.49,  -1.32,
08/11 20Z,   0.50,   7.64,  99.90,   6.83,  -1.32,
08/11 21Z,   0.50,   8.95,  99.90,   8.14,  -1.31,
08/11 22Z,   0.50,   9.14,  99.90,   8.34,  -1.30,  (max)
08/11 23Z,   0.50,   8.24,  99.90,   7.44,  -1.30,
08/12 00Z,   0.50,   6.52,  99.90,   5.73,  -1.30,
08/12 01Z,   0.40,   4.55,  99.90,   3.65,  -1.30,
08/12 02Z,   0.40,   2.98,  99.90,   2.08,  -1.30,
08/12 03Z,   0.40,   2.36,  99.90,   1.46,  -1.30,  (min)
08/12 04Z,   0.40,   2.90,  99.90,   2.01,  -1.30,
08/12 05Z,   0.40,   4.55,  99.90,   3.65,  -1.30,
08/12 06Z,   0.40,   6.92,  99.90,   6.03,  -1.30,
08/12 07Z,   0.40,   9.42,  99.90,   8.52,  -1.30,
08/12 08Z,   0.40,  11.34,  99.90,  10.45,  -1.30,
08/12 09Z,   0.40,  12.15,  99.90,  11.26,  -1.30,  (max)
08/12 10Z,   0.40,  11.61,  99.90,  10.71,  -1.30,
08/12 11Z,   0.40,   9.73,  99.90,   8.83,  -1.30,
08/12 12Z,   0.30,   6.79,  99.90,   5.79,  -1.30,
08/12 13Z,   0.30,   3.37,  99.90,   2.38,  -1.30,
08/12 14Z,   0.30,   0.27,  99.90,  -0.73,  -1.30,
08/12 15Z,   0.20,  -1.79,  99.90,  -2.89,  -1.30,
08/12 16Z,   0.20,  -2.38,  99.90,  -3.47,  -1.30,  (min)
08/12 17Z,   0.20,  -1.42,  99.90,  -2.52,  -1.30,
08/12 18Z,   0.20,   0.80,  99.90,  -0.29,  -1.30,
08/12 19Z,   0.20,   3.74,  99.90,   2.64,  -1.30,
08/12 20Z,   0.20,   6.64,  99.90,   5.55,  -1.30,
08/12 21Z,   0.10,   8.82,  99.90,   7.63,  -1.30,
08/12 22Z,   0.20,   9.86,  99.90,   8.76,  -1.30,  (max)
08/12 23Z,   0.20,   9.60,  99.90,   8.51,  -1.30,
08/13 00Z,   0.20,   8.17,  99.90,   7.07,  -1.30,
08/13 01Z,   0.10,   5.96,  99.90,   4.76,  -1.30,
08/13 02Z,   0.10,   3.64,  99.90,   2.44,  -1.30,
08/13 03Z,   0.10,   1.97,  99.90,   0.77,  -1.30,
08/13 04Z,   0.10,   1.47,  99.90,   0.27,  -1.30,  (min)
08/13 05Z,   0.10,   2.32,  99.90,   1.12,  -1.30,
08/13 06Z,   0.10,   4.33,  99.90,   3.14,  -1.30,
08/13 07Z,   0.10,   7.03,  99.90,   5.84,  -1.30,
08/13 08Z,   0.10,   9.70,  99.90,   8.51,  -1.30,
08/13 09Z,   0.10,  11.60,  99.90,  10.40,  -1.30,
08/13 10Z,   0.10,  12.22,  99.90,  11.02,  -1.30,  (max)
08/13 11Z,   0.10,  11.37,  99.90,  10.17,  -1.30,
08/13 12Z,   0.10,   9.15,  99.90,   7.95,  -1.30,
08/13 13Z,   0.10,   5.95,  99.90,   4.75,  -1.30,
08/13 14Z,   0.10,   2.45,  99.90,   1.26,  -1.30,
08/13 15Z,   0.10,  -0.49,  99.90,  -1.68,  -1.30,
08/13 16Z,   0.10,  -2.15,  99.90,  -3.35,  -1.30,
08/13 17Z,   0.10,  -2.20,  99.90,  -3.40,  -1.30,  (min)
08/13 18Z,   0.10,  -0.68,  99.90,  -1.88,  -1.30,
08/13 19Z,   0.10,   2.00,  99.90,   0.80,  -1.30,
08/13 20Z,   0.10,   5.17,  99.90,   3.97,  -1.30,
08/13 21Z,   0.10,   8.03,  99.90,   6.83,  -1.30,
08/13 22Z,   0.20,   9.91,  99.90,   8.82,  -1.30,
08/13 23Z,   0.20,  10.48,  99.90,   9.38,  -1.30,  (max)
08/14 00Z,   0.20,   9.66,  99.90,   8.57,  -1.30,
08/14 01Z,   0.20,   7.70,  99.90,   6.61,  -1.30,
08/14 02Z,   0.20,   5.11,  99.90,   4.01,  -1.30,
08/14 03Z,   0.30,   2.65,  99.90,   1.65,  -1.30,
08/14 04Z,   0.40,   1.08,  99.90,   0.18,  -1.30,
08/14 05Z,   0.40,   0.87,  99.90,  -0.03,  -1.30,  (min)
08/14 06Z,   0.40,   2.08,  99.90,   1.18,  -1.30,
08/14 07Z,   0.40,   4.41,  99.90,   3.51,  -1.30,
08/14 08Z,   0.50,   7.27,  99.90,   6.47,  -1.30,
08/14 09Z,   0.50,   9.89,  99.90,   9.09,  -1.30,
08/14 10Z,   0.50,  11.56,  99.90,  10.76,  -1.30,
08/14 11Z,   0.50,  11.84,  99.90,  11.04,  -1.30,  (max)
08/14 12Z,   0.50,  10.65,  99.90,   9.85,  -1.30,
08/14 13Z,   0.50,   8.17,  99.90,   7.38,  -1.30,
08/14 14Z,   0.50,   4.90,  99.90,   4.11,  -1.30,
08/14 15Z,   0.50,   1.59,  99.90,   0.80,  -1.30,
08/14 16Z,   0.50,  -0.91,  99.90,  -1.70,  -1.30,
08/14 17Z,   0.60,  -1.97,  99.90,  -2.67,  -1.30,  (min)
08/14 18Z,   0.60,  -1.38,  99.90,  -2.08,  -1.30,
08/14 19Z,   0.60,   0.65,  99.90,  -0.05,  -1.30,
08/14 20Z,   0.70,   3.61,  99.90,   3.01,  -1.30,
08/14 21Z,   0.70,   6.76,  99.90,   6.16,  -1.30,
08/14 22Z,   0.70,   9.31,  99.90,   8.71,  -1.30,
08/14 23Z,   0.70,  10.68,  99.90,  10.09,  -1.30,  (max)
08/15 00Z,   0.70,  10.66,  99.90,  10.06,  -1.30,
08/15 01Z,  99.90,   9.29,  99.90,  99.90,  -1.30,
08/15 02Z,  99.90,   6.92,  99.90,  99.90,  -1.30,
08/15 03Z,  99.90,   4.14,  99.90,  99.90,  -1.30,
08/15 04Z,  99.90,   1.77,  99.90,  99.90,  -1.30,
08/15 05Z,  99.90,   0.49,  99.90,  99.90,  -1.30,
08/15 06Z,  99.90,   0.66,  99.90,  99.90,  -1.30,