EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 08/11/2026 10:21:18 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/09 18Z,   0.30,   0.38,  -0.65,  99.90,  -1.33,
08/09 19Z,   0.30,   1.52,   0.67,  99.90,  -1.15,
08/09 20Z,   0.30,   1.96,   1.09,  99.90,  -1.17,  (max)
08/09 21Z,   0.30,   1.72,   0.73,  99.90,  -1.29,
08/09 22Z,   0.30,   0.89,   0.05,  99.90,  -1.14,
08/09 23Z,   0.30,  -0.19,  -1.00,  99.90,  -1.11,
08/10 00Z,   0.30,  -1.08,  -1.94,  99.90,  -1.16,
08/10 01Z,   0.30,  -1.40,  -2.25,  99.90,  -1.15,  (min)
08/10 02Z,   0.30,  -0.99,  -1.81,  99.90,  -1.12,
08/10 03Z,   0.30,   0.12,  -0.72,  99.90,  -1.14,
08/10 04Z,   0.30,   1.75,   0.83,  99.90,  -1.22,
08/10 05Z,   0.30,   3.54,   2.62,  99.90,  -1.22,
08/10 06Z,   0.40,   4.97,   4.09,  99.90,  -1.28,
08/10 07Z,   0.40,   5.63,   4.73,  99.90,  -1.30,  (max)
08/10 08Z,   0.40,   5.29,   4.37,  99.90,  -1.32,
08/10 09Z,   0.40,   3.93,   3.03,  99.90,  -1.30,
08/10 10Z,   0.40,   1.70,   0.79,  99.90,  -1.31,
08/10 11Z,   0.40,  -1.04,  -2.02,  99.90,  -1.38,
08/10 12Z,   0.40,  -3.73,  -4.55,  99.90,  -1.22,
08/10 13Z,   0.40,  -5.78,  -6.60,  99.90,  -1.22,
08/10 14Z,   0.30,  -6.79,  -7.62,  99.90,  -1.13,  (min)
08/10 15Z,   0.30,  -6.62,  -7.46,  99.90,  -1.14,
08/10 16Z,   0.30,  -5.35,  -6.25,  99.90,  -1.20,
08/10 17Z,   0.30,  -3.30,  -4.25,  99.90,  -1.25,
08/10 18Z,   0.40,  -0.98,  -1.97,  99.90,  -1.39,
08/10 19Z,   0.40,   1.05,   0.12,  99.90,  -1.33,
08/10 20Z,   0.40,   2.39,   1.43,  99.90,  -1.36,
08/10 21Z,   0.40,   2.82,   1.99,  99.90,  -1.23,  (max)
08/10 22Z,   0.40,   2.35,   1.49,  99.90,  -1.26,
08/10 23Z,   0.40,   1.14,   0.31,  99.90,  -1.23,
08/11 00Z,   0.40,  -0.39,  -1.13,  99.90,  -1.14,
08/11 01Z,   0.40,  -1.67,  -2.33,  99.90,  -1.06,
08/11 02Z,   0.40,  -2.23,  -3.02,  99.90,  -1.19,  (min)
08/11 03Z,   0.40,  -1.84,  -2.65,  99.90,  -1.21,
08/11 04Z,   0.40,  -0.53,  -1.26,  99.90,  -1.13,
08/11 05Z,   0.50,   1.46,   0.66,  99.90,  -1.30,
08/11 06Z,   0.50,   3.62,   2.77,  99.90,  -1.35,
08/11 07Z,   0.50,   5.37,   4.57,  99.90,  -1.30,
08/11 08Z,   0.50,   6.19,   5.37,  99.90,  -1.32,  (max)
08/11 09Z,   0.50,   5.83,   4.94,  99.90,  -1.39,
08/11 10Z,   0.50,   4.26,   3.35,  99.90,  -1.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 11Z,   0.50,   1.68,  99.90,   0.78,  -1.40,
08/11 12Z,   0.50,  -1.45,  99.90,  -2.34,  -1.39,
08/11 13Z,   0.40,  -4.44,  99.90,  -5.42,  -1.38,
08/11 14Z,   0.40,  -6.63,  99.90,  -7.60,  -1.37,
08/11 15Z,   0.50,  -7.55,  99.90,  -8.41,  -1.36,  (min)
08/11 16Z,   0.50,  -7.08,  99.90,  -7.93,  -1.35,
08/11 17Z,   0.40,  -5.37,  99.90,  -6.31,  -1.34,
08/11 18Z,   0.40,  -2.84,  99.90,  -3.78,  -1.33,
08/11 19Z,   0.40,  -0.14,  99.90,  -1.07,  -1.32,
08/11 20Z,   0.50,   2.08,  99.90,   1.27,  -1.32,
08/11 21Z,   0.50,   3.39,  99.90,   2.58,  -1.31,
08/11 22Z,   0.50,   3.58,  99.90,   2.78,  -1.30,  (max)
08/11 23Z,   0.50,   2.68,  99.90,   1.88,  -1.30,
08/12 00Z,   0.50,   0.96,  99.90,   0.17,  -1.30,
08/12 01Z,   0.40,  -1.01,  99.90,  -1.91,  -1.30,
08/12 02Z,   0.40,  -2.58,  99.90,  -3.48,  -1.30,
08/12 03Z,   0.40,  -3.20,  99.90,  -4.10,  -1.30,  (min)
08/12 04Z,   0.40,  -2.66,  99.90,  -3.55,  -1.30,
08/12 05Z,   0.40,  -1.01,  99.90,  -1.91,  -1.30,
08/12 06Z,   0.40,   1.36,  99.90,   0.47,  -1.30,
08/12 07Z,   0.40,   3.86,  99.90,   2.96,  -1.30,
08/12 08Z,   0.40,   5.78,  99.90,   4.89,  -1.30,
08/12 09Z,   0.40,   6.59,  99.90,   5.70,  -1.30,  (max)
08/12 10Z,   0.40,   6.05,  99.90,   5.15,  -1.30,
08/12 11Z,   0.40,   4.17,  99.90,   3.27,  -1.30,
08/12 12Z,   0.30,   1.23,  99.90,   0.23,  -1.30,
08/12 13Z,   0.30,  -2.19,  99.90,  -3.18,  -1.30,
08/12 14Z,   0.30,  -5.29,  99.90,  -6.29,  -1.30,
08/12 15Z,   0.20,  -7.35,  99.90,  -8.45,  -1.30,
08/12 16Z,   0.20,  -7.94,  99.90,  -9.03,  -1.30,  (min)
08/12 17Z,   0.20,  -6.98,  99.90,  -8.08,  -1.30,
08/12 18Z,   0.20,  -4.76,  99.90,  -5.85,  -1.30,
08/12 19Z,   0.20,  -1.82,  99.90,  -2.92,  -1.30,
08/12 20Z,   0.20,   1.08,  99.90,  -0.01,  -1.30,
08/12 21Z,   0.10,   3.26,  99.90,   2.07,  -1.30,
08/12 22Z,   0.20,   4.30,  99.90,   3.20,  -1.30,  (max)
08/12 23Z,   0.20,   4.04,  99.90,   2.95,  -1.30,
08/13 00Z,   0.20,   2.61,  99.90,   1.51,  -1.30,
08/13 01Z,   0.10,   0.40,  99.90,  -0.80,  -1.30,
08/13 02Z,   0.10,  -1.92,  99.90,  -3.12,  -1.30,
08/13 03Z,   0.10,  -3.59,  99.90,  -4.79,  -1.30,
08/13 04Z,   0.10,  -4.09,  99.90,  -5.29,  -1.30,  (min)
08/13 05Z,   0.10,  -3.24,  99.90,  -4.44,  -1.30,
08/13 06Z,   0.10,  -1.23,  99.90,  -2.42,  -1.30,
08/13 07Z,   0.10,   1.47,  99.90,   0.28,  -1.30,
08/13 08Z,   0.10,   4.14,  99.90,   2.95,  -1.30,
08/13 09Z,   0.10,   6.04,  99.90,   4.84,  -1.30,
08/13 10Z,   0.10,   6.66,  99.90,   5.46,  -1.30,  (max)
08/13 11Z,   0.10,   5.81,  99.90,   4.61,  -1.30,
08/13 12Z,   0.10,   3.59,  99.90,   2.39,  -1.30,
08/13 13Z,   0.10,   0.39,  99.90,  -0.81,  -1.30,
08/13 14Z,   0.10,  -3.11,  99.90,  -4.30,  -1.30,
08/13 15Z,   0.10,  -6.05,  99.90,  -7.24,  -1.30,
08/13 16Z,   0.10,  -7.71,  99.90,  -8.91,  -1.30,
08/13 17Z,   0.10,  -7.76,  99.90,  -8.96,  -1.30,  (min)
08/13 18Z,   0.10,  -6.24,  99.90,  -7.44,  -1.30,
08/13 19Z,   0.10,  -3.56,  99.90,  -4.76,  -1.30,
08/13 20Z,   0.10,  -0.39,  99.90,  -1.59,  -1.30,
08/13 21Z,   0.10,   2.47,  99.90,   1.27,  -1.30,
08/13 22Z,   0.20,   4.35,  99.90,   3.26,  -1.30,
08/13 23Z,   0.20,   4.92,  99.90,   3.82,  -1.30,  (max)
08/14 00Z,   0.20,   4.10,  99.90,   3.01,  -1.30,
08/14 01Z,   0.20,   2.14,  99.90,   1.05,  -1.30,
08/14 02Z,   0.20,  -0.45,  99.90,  -1.55,  -1.30,
08/14 03Z,   0.30,  -2.91,  99.90,  -3.91,  -1.30,
08/14 04Z,   0.40,  -4.48,  99.90,  -5.38,  -1.30,
08/14 05Z,   0.40,  -4.69,  99.90,  -5.59,  -1.30,  (min)
08/14 06Z,   0.40,  -3.48,  99.90,  -4.38,  -1.30,
08/14 07Z,   0.40,  -1.15,  99.90,  -2.05,  -1.30,
08/14 08Z,   0.50,   1.71,  99.90,   0.91,  -1.30,
08/14 09Z,   0.50,   4.33,  99.90,   3.53,  -1.30,
08/14 10Z,   0.50,   6.00,  99.90,   5.20,  -1.30,
08/14 11Z,   0.50,   6.28,  99.90,   5.48,  -1.30,  (max)
08/14 12Z,   0.50,   5.09,  99.90,   4.29,  -1.30,
08/14 13Z,   0.50,   2.61,  99.90,   1.82,  -1.30,
08/14 14Z,   0.50,  -0.66,  99.90,  -1.45,  -1.30,
08/14 15Z,   0.50,  -3.97,  99.90,  -4.76,  -1.30,
08/14 16Z,   0.50,  -6.47,  99.90,  -7.26,  -1.30,
08/14 17Z,   0.60,  -7.53,  99.90,  -8.23,  -1.30,  (min)
08/14 18Z,   0.60,  -6.94,  99.90,  -7.64,  -1.30,
08/14 19Z,   0.60,  -4.91,  99.90,  -5.61,  -1.30,
08/14 20Z,   0.70,  -1.95,  99.90,  -2.55,  -1.30,
08/14 21Z,   0.70,   1.20,  99.90,   0.60,  -1.30,
08/14 22Z,   0.70,   3.75,  99.90,   3.15,  -1.30,
08/14 23Z,   0.70,   5.12,  99.90,   4.53,  -1.30,  (max)
08/15 00Z,   0.70,   5.10,  99.90,   4.50,  -1.30,
08/15 01Z,  99.90,   3.73,  99.90,  99.90,  -1.30,
08/15 02Z,  99.90,   1.36,  99.90,  99.90,  -1.30,
08/15 03Z,  99.90,  -1.42,  99.90,  99.90,  -1.30,
08/15 04Z,  99.90,  -3.79,  99.90,  99.90,  -1.30,
08/15 05Z,  99.90,  -5.07,  99.90,  99.90,  -1.30,
08/15 06Z,  99.90,  -4.90,  99.90,  99.90,  -1.30,