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 : 10/10/2026 19:22:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 00Z,   0.60,   5.01,   4.26,  99.90,  -1.35,
10/09 01Z,   0.60,   2.60,   1.68,  99.90,  -1.52,
10/09 02Z,   0.50,   1.02,   0.05,  99.90,  -1.47,
10/09 03Z,   0.50,   0.65,  -0.22,  99.90,  -1.37,  (min)
10/09 04Z,   0.50,   1.57,   0.71,  99.90,  -1.36,
10/09 05Z,   0.50,   3.56,   2.73,  99.90,  -1.33,
10/09 06Z,   0.50,   6.10,   5.18,  99.90,  -1.42,
10/09 07Z,   0.50,   8.49,   7.67,  99.90,  -1.32,
10/09 08Z,   0.50,  10.10,   9.27,  99.90,  -1.33,
10/09 09Z,   0.50,  10.59,   9.62,  99.90,  -1.47,  (max)
10/09 10Z,   0.50,   9.82,   8.78,  99.90,  -1.54,
10/09 11Z,   0.50,   7.93,   7.05,  99.90,  -1.38,
10/09 12Z,   0.50,   5.38,   4.58,  99.90,  -1.30,
10/09 13Z,   0.40,   2.85,   1.90,  99.90,  -1.35,
10/09 14Z,   0.40,   1.05,   0.02,  99.90,  -1.43,
10/09 15Z,   0.40,   0.45,  -0.62,  99.90,  -1.47,  (min)
10/09 16Z,   0.40,   1.21,   0.24,  99.90,  -1.37,
10/09 17Z,   0.30,   3.17,   2.09,  99.90,  -1.38,
10/09 18Z,   0.30,   5.86,   4.83,  99.90,  -1.33,
10/09 19Z,   0.40,   8.56,   7.62,  99.90,  -1.34,
10/09 20Z,   0.40,  10.58,   9.60,  99.90,  -1.38,
10/09 21Z,   0.40,  11.46,  10.43,  99.90,  -1.43,  (max)
10/09 22Z,   0.40,  11.00,   9.82,  99.90,  -1.58,
10/09 23Z,   0.40,   9.26,   8.13,  99.90,  -1.53,
10/10 00Z,   0.40,   6.61,   5.60,  99.90,  -1.41,
10/10 01Z,   0.30,   3.67,   2.74,  99.90,  -1.23,
10/10 02Z,   0.30,   1.23,   0.17,  99.90,  -1.36,
10/10 03Z,   0.30,  -0.10,  -1.08,  99.90,  -1.28,  (min)
10/10 04Z,   0.30,  -0.03,  -0.91,  99.90,  -1.18,
10/10 05Z,   0.30,   1.40,   0.43,  99.90,  -1.27,
10/10 06Z,   0.30,   3.83,   2.87,  99.90,  -1.26,
10/10 07Z,   0.30,   6.61,   5.88,  99.90,  -1.03,
10/10 08Z,   0.40,   8.98,   8.24,  99.90,  -1.14,
10/10 09Z,   0.40,  10.39,   9.55,  99.90,  -1.24,
10/10 10Z,   0.40,  10.53,   9.65,  99.90,  -1.28,  (max)
10/10 11Z,   0.40,   9.41,   8.56,  99.90,  -1.25,
10/10 12Z,   0.40,   7.27,   6.53,  99.90,  -1.14,
10/10 13Z,   0.30,   4.68,   4.02,  99.90,  -0.96,
10/10 14Z,   0.30,   2.37,   1.49,  99.90,  -1.18,
10/10 15Z,   0.30,   1.02,   0.11,  99.90,  -1.21,  (min)
10/10 16Z,   0.30,   1.00,   0.17,  99.90,  -1.13,
10/10 17Z,   0.20,   2.34,   1.65,  99.90,  -0.89,
10/10 18Z,   0.20,   4.71,   4.09,  99.90,  -0.82,
10/10 19Z,   0.20,   7.53,   6.92,  99.90,  -0.81,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 20Z,   0.20,  10.03,  99.90,   9.39,  -0.84,
10/10 21Z,   0.20,  11.57,  99.90,  10.88,  -0.88,
10/10 22Z,   0.30,  11.78,  99.90,  11.16,  -0.92,  (max)
10/10 23Z,   0.30,  10.62,  99.90,   9.96,  -0.95,
10/11 00Z,   0.40,   8.28,  99.90,   7.69,  -0.99,
10/11 01Z,   0.40,   5.26,  99.90,   4.63,  -1.03,
10/11 02Z,   0.40,   2.27,  99.90,   1.60,  -1.06,
10/11 03Z,   0.40,   0.08,  99.90,  -0.62,  -1.10,
10/11 04Z,   0.50,  -0.77,  99.90,  -1.41,  -1.13,  (min)
10/11 05Z,   0.50,  -0.14,  99.90,  -0.81,  -1.17,
10/11 06Z,   0.60,   1.79,  99.90,   1.18,  -1.21,
10/11 07Z,   0.90,   4.50,  99.90,   4.16,  -1.24,
10/11 08Z,   0.50,   7.29,  99.90,   6.54,  -1.24,
10/11 09Z,   0.90,   9.42,  99.90,   9.08,  -1.24,
10/11 10Z,   0.90,  10.43,  99.90,  10.09,  -1.24,  (max)
10/11 11Z,   0.80,  10.15,  99.90,   9.71,  -1.24,
10/11 12Z,   0.90,   8.71,  99.90,   8.36,  -1.24,
10/11 13Z,   1.00,   6.45,  99.90,   6.21,  -1.24,
10/11 14Z,   1.00,   4.01,  99.90,   3.77,  -1.24,
10/11 15Z,   0.80,   2.13,  99.90,   1.69,  -1.24,
10/11 16Z,   0.90,   1.39,  99.90,   1.05,  -1.24,  (min)
10/11 17Z,   1.00,   2.00,  99.90,   1.76,  -1.24,
10/11 18Z,   1.00,   3.82,  99.90,   3.58,  -1.24,
10/11 19Z,   0.90,   6.41,  99.90,   6.07,  -1.24,
10/11 20Z,   0.90,   9.09,  99.90,   8.74,  -1.24,
10/11 21Z,   0.90,  11.13,  99.90,  10.78,  -1.24,
10/11 22Z,   0.90,  11.99,  99.90,  11.65,  -1.24,  (max)
10/11 23Z,   0.80,  11.48,  99.90,  11.04,  -1.24,
10/12 00Z,   0.80,   9.69,  99.90,   9.25,  -1.24,
10/12 01Z,   0.70,   6.95,  99.90,   6.40,  -1.24,
10/12 02Z,   0.70,   3.82,  99.90,   3.28,  -1.24,
10/12 03Z,   0.70,   1.07,  99.90,   0.52,  -1.24,
10/12 04Z,   0.70,  -0.62,  99.90,  -1.16,  -1.24,
10/12 05Z,   0.80,  -0.87,  99.90,  -1.31,  -1.24,  (min)
10/12 06Z,   0.80,   0.32,  99.90,  -0.13,  -1.24,
10/12 07Z,   0.80,   2.59,  99.90,   2.15,  -1.24,
10/12 08Z,   0.80,   5.37,  99.90,   4.93,  -1.24,
10/12 09Z,   0.80,   7.93,  99.90,   7.49,  -1.24,
10/12 10Z,   0.80,   9.64,  99.90,   9.19,  -1.24,
10/12 11Z,   0.80,  10.16,  99.90,   9.72,  -1.24,  (max)
10/12 12Z,   0.70,   9.49,  99.90,   8.94,  -1.24,
10/12 13Z,   0.70,   7.84,  99.90,   7.29,  -1.24,
10/12 14Z,   0.70,   5.65,  99.90,   5.11,  -1.24,
10/12 15Z,   0.70,   3.57,  99.90,   3.03,  -1.24,
10/12 16Z,   0.70,   2.27,  99.90,   1.73,  -1.24,
10/12 17Z,   0.70,   2.17,  99.90,   1.63,  -1.24,  (min)
10/12 18Z,   0.80,   3.33,  99.90,   2.88,  -1.24,
10/12 19Z,   0.90,   5.44,  99.90,   5.09,  -1.24,
10/12 20Z,   0.90,   7.97,  99.90,   7.63,  -1.24,
10/12 21Z,   0.90,  10.26,  99.90,   9.91,  -1.24,
10/12 22Z,   0.90,  11.66,  99.90,  11.31,  -1.24,
10/12 23Z,   0.90,  11.80,  99.90,  11.45,  -1.24,  (max)
10/13 00Z,   0.90,  10.64,  99.90,  10.30,  -1.24,
10/13 01Z,   0.90,   8.41,  99.90,   8.07,  -1.24,
10/13 02Z,   0.90,   5.52,  99.90,   5.18,  -1.24,
10/13 03Z,   0.90,   2.58,  99.90,   2.24,  -1.24,
10/13 04Z,   0.90,   0.30,  99.90,  -0.04,  -1.24,
10/13 05Z,   1.00,  -0.76,  99.90,  -1.00,  -1.24,  (min)
10/13 06Z,   1.00,  -0.41,  99.90,  -0.65,  -1.24,
10/13 07Z,   1.00,   1.19,  99.90,   0.95,  -1.24,
10/13 08Z,   1.00,   3.60,  99.90,   3.35,  -1.24,
10/13 09Z,   0.90,   6.20,  99.90,   5.85,  -1.24,
10/13 10Z,   1.00,   8.34,  99.90,   8.09,  -1.24,
10/13 11Z,   1.00,   9.52,  99.90,   9.28,  -1.24,
10/13 12Z,   1.10,   9.59,  99.90,   9.44,  -1.24,  (max)
10/13 13Z,   0.80,   8.63,  99.90,   8.19,  -1.24,
10/13 14Z,   0.80,   6.96,  99.90,   6.52,  -1.24,
10/13 15Z,   0.90,   5.04,  99.90,   4.69,  -1.24,
10/13 16Z,   0.90,   3.46,  99.90,   3.12,  -1.24,
10/13 17Z,   0.80,   2.78,  99.90,   2.34,  -1.24,  (min)
10/13 18Z,   0.90,   3.26,  99.90,   2.92,  -1.24,
10/13 19Z,   1.00,   4.77,  99.90,   4.52,  -1.24,
10/13 20Z,   1.00,   6.91,  99.90,   6.67,  -1.24,
10/13 21Z,   1.00,   9.15,  99.90,   8.91,  -1.24,
10/13 22Z,   1.00,  10.87,  99.90,  10.63,  -1.24,
10/13 23Z,   1.00,  11.58,  99.90,  11.34,  -1.24,  (max)
10/14 00Z,   0.70,  11.07,  99.90,  10.53,  -1.24,
10/14 01Z,   1.10,   9.46,  99.90,   9.32,  -1.24,
10/14 02Z,   1.00,   7.06,  99.90,   6.81,  -1.24,
10/14 03Z,   0.90,   4.30,  99.90,   3.95,  -1.24,
10/14 04Z,   1.00,   1.77,  99.90,   1.53,  -1.24,
10/14 05Z,   1.10,   0.09,  99.90,  -0.06,  -1.24,
10/14 06Z,   1.20,  -0.36,  99.90,  -0.40,  -1.24,  (min)
10/14 07Z,   1.10,   0.45,  99.90,   0.31,  -1.24,
10/14 08Z,   1.20,   2.24,  99.90,   2.20,  -1.24,
10/14 09Z,   1.20,   4.53,  99.90,   4.49,  -1.24,
10/14 10Z,   1.20,   6.76,  99.90,   6.72,  -1.24,
10/14 11Z,   1.00,   8.39,  99.90,   8.15,  -1.24,
10/14 12Z,   1.20,   9.09,  99.90,   9.04,  -1.24,