EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 07/18/2026 04:21:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 12Z,   0.50,  11.34,  10.76,  99.90,  -1.08,  (max)
07/16 13Z,   0.50,   9.04,   8.49,  99.90,  -1.05,
07/16 14Z,   0.50,   5.78,   5.34,  99.90,  -0.94,
07/16 15Z,   0.40,   2.20,   1.81,  99.90,  -0.79,
07/16 16Z,   0.40,  -0.85,  -1.26,  99.90,  -0.81,
07/16 17Z,   0.40,  -2.63,  -3.06,  99.90,  -0.83,
07/16 18Z,   0.40,  -2.78,  -3.19,  99.90,  -0.81,  (min)
07/16 19Z,   0.50,  -1.36,  -1.83,  99.90,  -0.97,
07/16 20Z,   0.50,   1.24,   0.82,  99.90,  -0.92,
07/16 21Z,   0.50,   4.37,   3.94,  99.90,  -0.93,
07/16 22Z,   0.50,   7.27,   6.88,  99.90,  -0.89,
07/16 23Z,   0.50,   9.28,   8.78,  99.90,  -1.00,
07/17 00Z,   0.50,  10.04,   9.64,  99.90,  -0.90,  (max)
07/17 01Z,   0.50,   9.49,   9.08,  99.90,  -0.91,
07/17 02Z,   0.50,   7.82,   7.41,  99.90,  -0.91,
07/17 03Z,   0.50,   5.50,   5.16,  99.90,  -0.84,
07/17 04Z,   0.50,   3.23,   2.96,  99.90,  -0.77,
07/17 05Z,   0.60,   1.74,   1.40,  99.90,  -0.94,
07/17 06Z,   0.50,   1.50,   1.20,  99.90,  -0.80,  (min)
07/17 07Z,   0.60,   2.59,   2.27,  99.90,  -0.92,
07/17 08Z,   0.60,   4.71,   4.18,  99.90,  -1.13,
07/17 09Z,   0.60,   7.33,   6.83,  99.90,  -1.10,
07/17 10Z,   0.60,   9.75,   9.38,  99.90,  -0.97,
07/17 11Z,   0.60,  11.29,  10.89,  99.90,  -1.00,
07/17 12Z,   0.60,  11.52,  11.19,  99.90,  -0.93,  (max)
07/17 13Z,   0.60,  10.36,  10.08,  99.90,  -0.88,
07/17 14Z,   0.70,   7.98,   7.76,  99.90,  -0.92,
07/17 15Z,   0.70,   4.81,   4.65,  99.90,  -0.86,
07/17 16Z,   0.70,   1.55,   1.42,  99.90,  -0.83,
07/17 17Z,   0.70,  -1.01,  -1.14,  99.90,  -0.83,
07/17 18Z,   0.80,  -2.22,  -2.33,  99.90,  -0.91,  (min)
07/17 19Z,   0.80,  -1.84,  -2.06,  99.90,  -1.02,
07/17 20Z,   0.80,  -0.06,  -0.34,  99.90,  -1.08,
07/17 21Z,   0.80,   2.67,   2.42,  99.90,  -1.05,
07/17 22Z,   0.80,   5.69,   5.52,  99.90,  -0.97,
07/17 23Z,   0.80,   8.27,   8.08,  99.90,  -0.99,
07/18 00Z,   0.80,   9.85,   9.62,  99.90,  -1.03,
07/18 01Z,   0.80,  10.16,   9.85,  99.90,  -1.11,  (max)
07/18 02Z,   0.80,   9.23,   8.86,  99.90,  -1.17,
07/18 03Z,   0.80,   7.31,   6.98,  99.90,  -1.13,
07/18 04Z,   0.90,   4.92,   4.53,  99.90,  -1.29,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 05Z,   0.90,   2.75,  99.90,   2.39,  -1.26,
07/18 06Z,   0.90,   1.48,  99.90,   1.14,  -1.24,  (min)
07/18 07Z,   0.90,   1.46,  99.90,   1.15,  -1.21,
07/18 08Z,   1.00,   2.66,  99.90,   2.47,  -1.19,
07/18 09Z,   1.00,   4.74,  99.90,   4.58,  -1.16,
07/18 10Z,   1.00,   7.16,  99.90,   7.02,  -1.14,
07/18 11Z,   1.00,   9.26,  99.90,   9.15,  -1.11,
07/18 12Z,   1.00,  10.45,  99.90,  10.36,  -1.09,  (max)
07/18 13Z,   0.90,  10.41,  99.90,  10.25,  -1.06,
07/18 14Z,   0.90,   9.13,  99.90,   9.00,  -1.04,
07/18 15Z,   0.80,   6.84,  99.90,   6.63,  -1.01,
07/18 16Z,   0.80,   3.98,  99.90,   3.80,  -0.99,
07/18 17Z,   0.80,   1.23,  99.90,   1.04,  -0.99,
07/18 18Z,   0.60,  -0.70,  99.90,  -1.08,  -0.99,
07/18 19Z,   0.90,  -1.30,  99.90,  -1.38,  -0.99,  (min)
07/18 20Z,   0.80,  -0.47,  99.90,  -0.66,  -0.99,
07/18 21Z,   0.40,   1.51,  99.90,   0.93,  -0.99,
07/18 22Z,   0.70,   4.18,  99.90,   3.90,  -0.99,
07/18 23Z,   0.90,   6.90,  99.90,   6.81,  -0.99,
07/19 00Z,   0.70,   9.03,  99.90,   8.74,  -0.99,
07/19 01Z,   0.50,  10.12,  99.90,   9.63,  -0.99,  (max)
07/19 02Z,   0.60,  10.00,  99.90,   9.62,  -0.99,
07/19 03Z,   0.60,   8.79,  99.90,   8.40,  -0.99,
07/19 04Z,   0.50,   6.76,  99.90,   6.27,  -0.99,
07/19 05Z,   0.50,   4.44,  99.90,   3.95,  -0.99,
07/19 06Z,   0.50,   2.48,  99.90,   1.99,  -0.99,
07/19 07Z,   0.60,   1.45,  99.90,   1.07,  -0.99,  (min)
07/19 08Z,   0.50,   1.59,  99.90,   1.11,  -0.99,
07/19 09Z,   0.50,   2.79,  99.90,   2.31,  -0.99,
07/19 10Z,   0.50,   4.69,  99.90,   4.20,  -0.99,
07/19 11Z,   0.50,   6.78,  99.90,   6.29,  -0.99,
07/19 12Z,   0.60,   8.49,  99.90,   8.11,  -0.99,
07/19 13Z,   0.30,   9.35,  99.90,   8.66,  -0.99,  (max)
07/19 14Z,   0.30,   9.13,  99.90,   8.44,  -0.99,
07/19 15Z,   0.30,   7.88,  99.90,   7.20,  -0.99,
07/19 16Z,   0.40,   5.85,  99.90,   5.27,  -0.99,
07/19 17Z,   0.30,   3.47,  99.90,   2.79,  -0.99,
07/19 18Z,   0.30,   1.35,  99.90,   0.66,  -0.99,
07/19 19Z,   0.30,   0.08,  99.90,  -0.60,  -0.99,
07/19 20Z,   0.30,   0.02,  99.90,  -0.67,  -0.99,  (min)
07/19 21Z,   0.30,   1.14,  99.90,   0.45,  -0.99,
07/19 22Z,   0.30,   3.13,  99.90,   2.45,  -0.99,
07/19 23Z,   0.50,   5.55,  99.90,   5.07,  -0.99,
07/20 00Z,   0.40,   7.84,  99.90,   7.26,  -0.99,
07/20 01Z,   0.40,   9.47,  99.90,   8.88,  -0.99,
07/20 02Z,   0.40,  10.09,  99.90,   9.50,  -0.99,  (max)
07/20 03Z,   0.40,   9.64,  99.90,   9.05,  -0.99,
07/20 04Z,   0.40,   8.26,  99.90,   7.68,  -0.99,
07/20 05Z,   0.40,   6.26,  99.90,   5.68,  -0.99,
07/20 06Z,   0.30,   4.12,  99.90,   3.43,  -0.99,
07/20 07Z,   0.40,   2.42,  99.90,   1.83,  -0.99,
07/20 08Z,   0.30,   1.60,  99.90,   0.91,  -0.99,  (min)
07/20 09Z,   0.30,   1.80,  99.90,   1.12,  -0.99,
07/20 10Z,   0.30,   2.87,  99.90,   2.18,  -0.99,
07/20 11Z,   0.30,   4.48,  99.90,   3.79,  -0.99,
07/20 12Z,   0.30,   6.20,  99.90,   5.51,  -0.99,
07/20 13Z,   0.30,   7.54,  99.90,   6.86,  -0.99,
07/20 14Z,   0.30,   8.15,  99.90,   7.47,  -0.99,  (max)
07/20 15Z,   0.30,   7.89,  99.90,   7.20,  -0.99,
07/20 16Z,   0.30,   6.83,  99.90,   6.14,  -0.99,
07/20 17Z,   0.30,   5.20,  99.90,   4.51,  -0.99,
07/20 18Z,   0.40,   3.39,  99.90,   2.80,  -0.99,
07/20 19Z,   0.40,   1.90,  99.90,   1.32,  -0.99,
07/20 20Z,   0.40,   1.21,  99.90,   0.62,  -0.99,  (min)
07/20 21Z,   0.50,   1.52,  99.90,   1.04,  -0.99,
07/20 22Z,   0.50,   2.74,  99.90,   2.25,  -0.99,
07/20 23Z,   0.50,   4.57,  99.90,   4.08,  -0.99,
07/21 00Z,   0.50,   6.62,  99.90,   6.13,  -0.99,
07/21 01Z,   0.50,   8.43,  99.90,   7.95,  -0.99,
07/21 02Z,   0.50,   9.58,  99.90,   9.10,  -0.99,
07/21 03Z,   0.50,   9.83,  99.90,   9.35,  -0.99,  (max)
07/21 04Z,   0.60,   9.18,  99.90,   8.80,  -0.99,
07/21 05Z,   0.60,   7.78,  99.90,   7.39,  -0.99,
07/21 06Z,   0.70,   5.90,  99.90,   5.61,  -0.99,
07/21 07Z,   0.70,   3.98,  99.90,   3.69,  -0.99,
07/21 08Z,   0.70,   2.50,  99.90,   2.22,  -0.99,
07/21 09Z,   0.70,   1.81,  99.90,   1.53,  -0.99,
07/21 10Z,   0.50,   1.96,  99.90,   1.48,  -0.99,  (min)
07/21 11Z,   0.70,   2.81,  99.90,   2.53,  -0.99,
07/21 12Z,   0.70,   4.10,  99.90,   3.81,  -0.99,
07/21 13Z,   0.80,   5.48,  99.90,   5.29,  -0.99,
07/21 14Z,   0.30,   6.56,  99.90,   5.87,  -0.99,
07/21 15Z,   0.70,   7.06,  99.90,   6.77,  -0.99,  (max)
07/21 16Z,   0.70,   6.89,  99.90,   6.61,  -0.99,
07/21 17Z,   0.50,   6.14,  99.90,   5.65,  -0.99,
07/21 18Z,   0.50,   4.98,  99.90,   4.49,  -0.99,
07/21 19Z,  99.90,   3.72,  99.90,  99.90,  -0.99,
07/21 20Z,  99.90,   2.77,  99.90,  99.90,  -0.99,
07/21 21Z,  99.90,   2.48,  99.90,  99.90,  -0.99,
07/21 22Z,  99.90,   2.96,  99.90,  99.90,  -0.99,
07/21 23Z,  99.90,   4.10,  99.90,  99.90,  -0.99,
07/22 00Z,  99.90,   5.64,  99.90,  99.90,  -0.99,