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 : 10/18/2026 04:21:14 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   1.50,   6.80,   7.18,  99.90,  -1.12,
10/16 13Z,   1.50,   7.58,   7.99,  99.90,  -1.09,
10/16 14Z,   1.50,   7.73,   8.16,  99.90,  -1.07,  (max)
10/16 15Z,   1.50,   7.32,   7.72,  99.90,  -1.10,
10/16 16Z,   1.50,   6.57,   6.93,  99.90,  -1.14,
10/16 17Z,   1.50,   5.71,   6.02,  99.90,  -1.19,
10/16 18Z,   1.50,   5.04,   5.32,  99.90,  -1.22,
10/16 19Z,   1.50,   4.87,   5.12,  99.90,  -1.25,  (min)
10/16 20Z,   1.40,   5.33,   5.45,  99.90,  -1.28,
10/16 21Z,   1.40,   6.32,   6.50,  99.90,  -1.22,
10/16 22Z,   1.40,   7.54,   7.69,  99.90,  -1.25,
10/16 23Z,   1.40,   8.69,   8.79,  99.90,  -1.30,
10/17 00Z,   1.40,   9.49,   9.68,  99.90,  -1.21,
10/17 01Z,   1.30,   9.68,   9.95,  99.90,  -1.03,  (max)
10/17 02Z,   1.20,   9.17,   9.41,  99.90,  -0.96,
10/17 03Z,   1.20,   8.03,   8.24,  99.90,  -0.99,
10/17 04Z,   1.20,   6.49,   6.67,  99.90,  -1.02,
10/17 05Z,   1.20,   4.79,   4.95,  99.90,  -1.04,
10/17 06Z,   1.20,   3.22,   3.36,  99.90,  -1.06,
10/17 07Z,   1.20,   2.11,   2.29,  99.90,  -1.02,
10/17 08Z,   1.10,   1.72,   1.90,  99.90,  -0.92,  (min)
10/17 09Z,   1.10,   2.05,   2.11,  99.90,  -1.04,
10/17 10Z,   1.20,   2.94,   3.12,  99.90,  -1.02,
10/17 11Z,   1.30,   4.13,   4.30,  99.90,  -1.13,
10/17 12Z,   1.20,   5.38,   5.49,  99.90,  -1.09,
10/17 13Z,   1.20,   6.42,   6.60,  99.90,  -1.02,
10/17 14Z,   1.10,   7.05,   7.18,  99.90,  -0.97,
10/17 15Z,   1.10,   7.20,   7.27,  99.90,  -1.03,  (max)
10/17 16Z,   1.20,   6.97,   6.99,  99.90,  -1.18,
10/17 17Z,   1.30,   6.48,   6.54,  99.90,  -1.24,
10/17 18Z,   1.30,   5.91,   5.84,  99.90,  -1.37,
10/17 19Z,   1.30,   5.49,   5.37,  99.90,  -1.42,  (min)
10/17 20Z,   1.30,   5.45,   5.40,  99.90,  -1.35,
10/17 21Z,   1.30,   5.87,   5.83,  99.90,  -1.34,
10/17 22Z,   1.40,   6.63,   6.54,  99.90,  -1.49,
10/17 23Z,   1.50,   7.51,   7.46,  99.90,  -1.55,
10/18 00Z,   1.50,   8.31,   8.29,  99.90,  -1.52,
10/18 01Z,   1.50,   8.83,   8.75,  99.90,  -1.58,
10/18 02Z,   1.50,   8.89,   8.77,  99.90,  -1.62,  (max)
10/18 03Z,   1.40,   8.41,   8.30,  99.90,  -1.51,
10/18 04Z,   1.40,   7.47,   7.33,  99.90,  -1.54,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 05Z,   1.30,   6.22,  99.90,   6.00,  -1.51,
10/18 06Z,   1.20,   4.84,  99.90,   4.55,  -1.49,
10/18 07Z,   1.20,   3.55,  99.90,   3.28,  -1.47,
10/18 08Z,   1.10,   2.63,  99.90,   2.28,  -1.45,
10/18 09Z,   1.10,   2.28,  99.90,   1.95,  -1.43,  (min)
10/18 10Z,   1.10,   2.49,  99.90,   2.19,  -1.41,
10/18 11Z,   1.10,   3.14,  99.90,   2.86,  -1.38,
10/18 12Z,   1.10,   4.08,  99.90,   3.81,  -1.36,
10/18 13Z,   1.00,   5.12,  99.90,   4.78,  -1.34,
10/18 14Z,   1.00,   6.08,  99.90,   5.76,  -1.32,
10/18 15Z,   1.00,   6.74,  99.90,   6.44,  -1.30,
10/18 16Z,   1.00,   7.03,  99.90,   6.75,  -1.28,  (max)
10/18 17Z,   1.00,   7.00,  99.90,   6.72,  -1.28,
10/18 18Z,   1.00,   6.70,  99.90,   6.43,  -1.28,
10/18 19Z,   1.00,   6.27,  99.90,   5.99,  -1.28,
10/18 20Z,   1.00,   5.88,  99.90,   5.61,  -1.28,
10/18 21Z,   0.70,   5.76,  99.90,   5.18,  -1.28,  (min)
10/18 22Z,   1.10,   5.98,  99.90,   5.80,  -1.28,
10/18 23Z,   0.80,   6.45,  99.90,   5.97,  -1.28,
10/19 00Z,   0.80,   7.05,  99.90,   6.57,  -1.28,
10/19 01Z,   0.80,   7.65,  99.90,   7.18,  -1.28,
10/19 02Z,   0.70,   8.11,  99.90,   7.54,  -1.28,
10/19 03Z,   0.60,   8.25,  99.90,   7.58,  -1.28,  (max)
10/19 04Z,   0.60,   7.97,  99.90,   7.29,  -1.28,
10/19 05Z,   0.60,   7.29,  99.90,   6.61,  -1.28,
10/19 06Z,   0.70,   6.29,  99.90,   5.72,  -1.28,
10/19 07Z,   0.60,   5.11,  99.90,   4.43,  -1.28,
10/19 08Z,   0.70,   3.92,  99.90,   3.34,  -1.28,
10/19 09Z,   0.70,   2.99,  99.90,   2.42,  -1.28,
10/19 10Z,   0.80,   2.53,  99.90,   2.05,  -1.28,
10/19 11Z,   0.70,   2.57,  99.90,   1.99,  -1.28,  (min)
10/19 12Z,   0.80,   3.05,  99.90,   2.57,  -1.28,
10/19 13Z,   0.70,   3.88,  99.90,   3.31,  -1.28,
10/19 14Z,   0.70,   4.94,  99.90,   4.37,  -1.28,
10/19 15Z,   0.70,   6.00,  99.90,   5.42,  -1.28,
10/19 16Z,   0.60,   6.82,  99.90,   6.14,  -1.28,
10/19 17Z,   0.70,   7.29,  99.90,   6.71,  -1.28,
10/19 18Z,   0.70,   7.38,  99.90,   6.80,  -1.28,  (max)
10/19 19Z,   0.80,   7.11,  99.90,   6.63,  -1.28,
10/19 20Z,   0.80,   6.58,  99.90,   6.11,  -1.28,
10/19 21Z,   1.00,   6.02,  99.90,   5.74,  -1.28,
10/19 22Z,   0.80,   5.65,  99.90,   5.17,  -1.28,  (min)
10/19 23Z,   0.90,   5.59,  99.90,   5.21,  -1.28,
10/20 00Z,   1.00,   5.83,  99.90,   5.55,  -1.28,
10/20 01Z,   1.10,   6.30,  99.90,   6.13,  -1.28,
10/20 02Z,   1.10,   6.94,  99.90,   6.76,  -1.28,
10/20 03Z,   1.00,   7.56,  99.90,   7.28,  -1.28,
10/20 04Z,   1.10,   7.94,  99.90,   7.76,  -1.28,
10/20 05Z,   1.20,   7.91,  99.90,   7.83,  -1.28,  (max)
10/20 06Z,   1.20,   7.44,  99.90,   7.36,  -1.28,
10/20 07Z,   1.30,   6.57,  99.90,   6.59,  -1.28,
10/20 08Z,   1.50,   5.39,  99.90,   5.61,  -1.28,
10/20 09Z,   1.60,   4.12,  99.90,   4.44,  -1.28,
10/20 10Z,   1.50,   3.06,  99.90,   3.28,  -1.28,
10/20 11Z,   1.50,   2.45,  99.90,   2.67,  -1.28,  (min)
10/20 12Z,   1.70,   2.38,  99.90,   2.81,  -1.28,
10/20 13Z,   1.60,   2.86,  99.90,   3.18,  -1.28,
10/20 14Z,   1.60,   3.81,  99.90,   4.13,  -1.28,
10/20 15Z,   1.70,   5.08,  99.90,   5.50,  -1.28,
10/20 16Z,   1.90,   6.36,  99.90,   6.99,  -1.28,
10/20 17Z,   2.00,   7.37,  99.90,   8.09,  -1.28,
10/20 18Z,   2.00,   7.92,  99.90,   8.64,  -1.28,
10/20 19Z,   2.20,   7.95,  99.90,   8.87,  -1.28,  (max)
10/20 20Z,   2.20,   7.48,  99.90,   8.40,  -1.28,
10/20 21Z,   2.20,   6.64,  99.90,   7.57,  -1.28,
10/20 22Z,   2.20,   5.73,  99.90,   6.65,  -1.28,
10/20 23Z,   2.30,   5.04,  99.90,   6.06,  -1.28,
10/21 00Z,   2.40,   4.75,  99.90,   5.88,  -1.28,  (min)
10/21 01Z,   2.40,   4.91,  99.90,   6.03,  -1.28,
10/21 02Z,   2.40,   5.49,  99.90,   6.61,  -1.28,
10/21 03Z,   2.50,   6.38,  99.90,   7.60,  -1.28,
10/21 04Z,   2.50,   7.32,  99.90,   8.54,  -1.28,
10/21 05Z,   2.40,   7.99,  99.90,   9.11,  -1.28,
10/21 06Z,   2.40,   8.17,  99.90,   9.30,  -1.28,  (max)
10/21 07Z,   2.40,   7.79,  99.90,   8.92,  -1.28,
10/21 08Z,   2.50,   6.87,  99.90,   8.09,  -1.28,
10/21 09Z,   2.30,   5.53,  99.90,   6.55,  -1.28,
10/21 10Z,   2.20,   4.05,  99.90,   4.98,  -1.28,
10/21 11Z,   2.20,   2.83,  99.90,   3.75,  -1.28,
10/21 12Z,   2.20,   2.14,  99.90,   3.07,  -1.28,
10/21 13Z,   2.10,   2.13,  99.90,   2.96,  -1.28,  (min)
10/21 14Z,   2.10,   2.81,  99.90,   3.64,  -1.28,
10/21 15Z,   2.00,   4.09,  99.90,   4.81,  -1.28,
10/21 16Z,   1.80,   5.69,  99.90,   6.21,  -1.28,
10/21 17Z,   1.90,   7.22,  99.90,   7.84,  -1.28,
10/21 18Z,   2.00,   8.31,  99.90,   9.03,  -1.28,
10/21 19Z,  99.90,   8.75,  99.90,  99.90,  -1.28,
10/21 20Z,  99.90,   8.49,  99.90,  99.90,  -1.28,
10/21 21Z,  99.90,   7.58,  99.90,  99.90,  -1.28,
10/21 22Z,  99.90,   6.27,  99.90,  99.90,  -1.28,
10/21 23Z,  99.90,   4.94,  99.90,  99.90,  -1.28,
10/22 00Z,  99.90,   3.97,  99.90,  99.90,  -1.28,