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 : 02/18/2026 13:21:08 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/16 18Z,  -0.20,   6.01,   4.82,  99.90,  -0.99,
02/16 19Z,  -0.20,   8.16,   6.72,  99.90,  -1.24,
02/16 20Z,  -0.20,  10.04,   8.79,  99.90,  -1.05,
02/16 21Z,  -0.10,  11.07,   9.94,  99.90,  -1.03,  (max)
02/16 22Z,  -0.10,  10.96,   9.88,  99.90,  -0.98,
02/16 23Z,  -0.20,   9.68,   8.59,  99.90,  -0.89,
02/17 00Z,  -0.30,   7.41,   6.38,  99.90,  -0.73,
02/17 01Z,  -0.30,   4.56,   3.44,  99.90,  -0.82,
02/17 02Z,  -0.20,   1.77,   0.59,  99.90,  -0.98,
02/17 03Z,  -0.20,  -0.28,  -1.48,  99.90,  -1.00,
02/17 04Z,  -0.20,  -1.10,  -2.36,  99.90,  -1.06,  (min)
02/17 05Z,  -0.30,  -0.56,  -1.90,  99.90,  -1.04,
02/17 06Z,  -0.30,   1.18,  -0.11,  99.90,  -0.99,
02/17 07Z,  -0.20,   3.70,   2.33,  99.90,  -1.17,
02/17 08Z,  -0.10,   6.36,   5.03,  99.90,  -1.23,
02/17 09Z,  -0.10,   8.51,   7.11,  99.90,  -1.30,
02/17 10Z,   0.00,   9.66,   8.46,  99.90,  -1.20,
02/17 11Z,   0.00,   9.63,   8.51,  99.90,  -1.12,  (max)
02/17 12Z,  -0.10,   8.52,   7.49,  99.90,  -0.93,
02/17 13Z,  -0.10,   6.63,   5.66,  99.90,  -0.87,
02/17 14Z,   0.00,   4.51,   3.54,  99.90,  -0.97,
02/17 15Z,   0.00,   2.83,   1.71,  99.90,  -1.12,
02/17 16Z,   0.00,   2.15,   0.97,  99.90,  -1.18,  (min)
02/17 17Z,   0.00,   2.67,   1.51,  99.90,  -1.16,
02/17 18Z,  -0.10,   4.27,   3.24,  99.90,  -0.93,
02/17 19Z,   0.00,   6.55,   5.35,  99.90,  -1.20,
02/17 20Z,   0.00,   8.93,   7.78,  99.90,  -1.15,
02/17 21Z,   0.00,  10.72,   9.60,  99.90,  -1.12,
02/17 22Z,   0.00,  11.41,  10.26,  99.90,  -1.15,  (max)
02/17 23Z,   0.10,  10.78,   9.66,  99.90,  -1.22,
02/18 00Z,   0.00,   8.95,   7.94,  99.90,  -1.01,
02/18 01Z,   0.00,   6.24,   5.18,  99.90,  -1.06,
02/18 02Z,   0.00,   3.20,   2.19,  99.90,  -1.01,
02/18 03Z,   0.00,   0.55,  -0.60,  99.90,  -1.15,
02/18 04Z,   0.00,  -1.02,  -2.43,  99.90,  -1.41,
02/18 05Z,   0.00,  -1.14,  -2.49,  99.90,  -1.35,  (min)
02/18 06Z,   0.00,   0.16,  -1.10,  99.90,  -1.26,
02/18 07Z,   0.00,   2.54,   1.20,  99.90,  -1.34,
02/18 08Z,   0.00,   5.41,   3.95,  99.90,  -1.46,
02/18 09Z,   0.00,   8.07,   6.54,  99.90,  -1.53,
02/18 10Z,   0.00,   9.85,   8.52,  99.90,  -1.33,
02/18 11Z,   0.00,  10.38,   8.95,  99.90,  -1.43,  (max)
02/18 12Z,   0.00,   9.64,   8.26,  99.90,  -1.38,
02/18 13Z,  -0.20,   7.85,   6.54,  99.90,  -1.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 14Z,  -0.20,   5.48,  99.90,   4.15,  -1.13,
02/18 15Z,  -0.10,   3.19,  99.90,   1.94,  -1.16,
02/18 16Z,  -0.10,   1.69,  99.90,   0.41,  -1.18,
02/18 17Z,  -0.10,   1.45,  99.90,   0.15,  -1.20,  (min)
02/18 18Z,  -0.10,   2.53,  99.90,   1.20,  -1.23,
02/18 19Z,   0.00,   4.63,  99.90,   3.38,  -1.25,
02/18 20Z,   0.00,   7.21,  99.90,   5.93,  -1.28,
02/18 21Z,   0.10,   9.58,  99.90,   8.38,  -1.30,
02/18 22Z,   0.10,  11.09,  99.90,   9.86,  -1.32,
02/18 23Z,   0.20,  11.30,  99.90,  10.15,  -1.35,  (max)
02/19 00Z,   0.20,  10.15,  99.90,   8.98,  -1.37,
02/19 01Z,   0.10,   7.88,  99.90,   6.58,  -1.39,
02/19 02Z,   0.10,   4.94,  99.90,   3.64,  -1.39,
02/19 03Z,   0.10,   1.99,  99.90,   0.69,  -1.39,
02/19 04Z,   0.10,  -0.23,  99.90,  -1.52,  -1.39,
02/19 05Z,   0.10,  -1.11,  99.90,  -2.40,  -1.39,  (min)
02/19 06Z,   0.10,  -0.44,  99.90,  -1.74,  -1.39,
02/19 07Z,   0.20,   1.55,  99.90,   0.35,  -1.39,
02/19 08Z,   0.10,   4.35,  99.90,   3.06,  -1.39,
02/19 09Z,   0.20,   7.29,  99.90,   6.10,  -1.39,
02/19 10Z,   0.20,   9.64,  99.90,   8.45,  -1.39,
02/19 11Z,   0.30,  10.83,  99.90,   9.73,  -1.39,  (max)
02/19 12Z,   0.40,  10.63,  99.90,   9.64,  -1.39,
02/19 13Z,   0.30,   9.17,  99.90,   8.08,  -1.39,
02/19 14Z,   0.40,   6.84,  99.90,   5.84,  -1.39,
02/19 15Z,   0.40,   4.19,  99.90,   3.20,  -1.39,
02/19 16Z,   0.40,   1.97,  99.90,   0.97,  -1.39,
02/19 17Z,   0.20,   0.83,  99.90,  -0.37,  -1.39,  (min)
02/19 18Z,   0.20,   1.11,  99.90,  -0.09,  -1.39,
02/19 19Z,   0.30,   2.69,  99.90,   1.59,  -1.39,
02/19 20Z,   0.00,   5.12,  99.90,   3.72,  -1.39,
02/19 21Z,   0.00,   7.76,  99.90,   6.37,  -1.39,
02/19 22Z,   0.20,   9.92,  99.90,   8.73,  -1.39,
02/19 23Z,   0.20,  11.01,  99.90,   9.82,  -1.39,  (max)
02/20 00Z,   0.10,  10.73,  99.90,   9.44,  -1.39,
02/20 01Z,   0.10,   9.16,  99.90,   7.87,  -1.39,
02/20 02Z,   0.20,   6.66,  99.90,   5.47,  -1.39,
02/20 03Z,   0.10,   3.78,  99.90,   2.48,  -1.39,
02/20 04Z,   0.00,   1.20,  99.90,  -0.20,  -1.39,
02/20 05Z,   0.10,  -0.37,  99.90,  -1.67,  -1.39,
02/20 06Z,   0.10,  -0.48,  99.90,  -1.77,  -1.39,  (min)
02/20 07Z,   0.10,   0.90,  99.90,  -0.40,  -1.39,
02/20 08Z,   0.00,   3.36,  99.90,   1.97,  -1.39,
02/20 09Z,   0.00,   6.30,  99.90,   4.91,  -1.39,
02/20 10Z,   0.00,   9.01,  99.90,   7.62,  -1.39,
02/20 11Z,   0.30,  10.83,  99.90,   9.73,  -1.39,
02/20 12Z,   0.00,  11.31,  99.90,   9.91,  -1.39,  (max)
02/20 13Z,   0.00,  10.40,  99.90,   9.00,  -1.39,
02/20 14Z,   0.10,   8.37,  99.90,   7.07,  -1.39,
02/20 15Z,   0.40,   5.69,  99.90,   4.70,  -1.39,
02/20 16Z,   0.10,   3.02,  99.90,   1.72,  -1.39,
02/20 17Z,   0.20,   1.04,  99.90,  -0.15,  -1.39,
02/20 18Z,   0.30,   0.35,  99.90,  -0.75,  -1.39,  (min)
02/20 19Z,   0.40,   1.10,  99.90,   0.10,  -1.39,
02/20 20Z,   0.30,   3.01,  99.90,   1.92,  -1.39,
02/20 21Z,   0.30,   5.54,  99.90,   4.45,  -1.39,
02/20 22Z,   0.40,   8.03,  99.90,   7.04,  -1.39,
02/20 23Z,   0.30,   9.83,  99.90,   8.74,  -1.39,
02/21 00Z,   0.30,  10.47,  99.90,   9.37,  -1.39,  (max)
02/21 01Z,   0.10,   9.80,  99.90,   8.50,  -1.39,
02/21 02Z,   0.40,   8.02,  99.90,   7.02,  -1.39,
02/21 03Z,   0.30,   5.56,  99.90,   4.47,  -1.39,
02/21 04Z,   0.20,   3.01,  99.90,   1.81,  -1.39,
02/21 05Z,   0.10,   1.00,  99.90,  -0.29,  -1.39,
02/21 06Z,   0.20,   0.16,  99.90,  -1.03,  -1.39,  (min)
02/21 07Z,   0.20,   0.76,  99.90,  -0.44,  -1.39,
02/21 08Z,   0.10,   2.63,  99.90,   1.34,  -1.39,
02/21 09Z,   0.00,   5.28,  99.90,   3.88,  -1.39,
02/21 10Z,   0.10,   8.05,  99.90,   6.76,  -1.39,
02/21 11Z,   0.10,  10.30,  99.90,   9.01,  -1.39,
02/21 12Z,   0.10,  11.47,  99.90,  10.18,  -1.39,  (max)
02/21 13Z,   0.00,  11.28,  99.90,   9.89,  -1.39,
02/21 14Z,   0.00,   9.81,  99.90,   8.42,  -1.39,
02/21 15Z,   0.00,   7.44,  99.90,   6.04,  -1.39,
02/21 16Z,   0.00,   4.68,  99.90,   3.28,  -1.39,
02/21 17Z,   0.00,   2.17,  99.90,   0.77,  -1.39,
02/21 18Z,   0.10,   0.55,  99.90,  -0.74,  -1.39,
02/21 19Z,   0.20,   0.27,  99.90,  -0.93,  -1.39,  (min)
02/21 20Z,   0.20,   1.32,  99.90,   0.13,  -1.39,
02/21 21Z,   0.30,   3.33,  99.90,   2.24,  -1.39,
02/21 22Z,   0.40,   5.73,  99.90,   4.73,  -1.39,
02/21 23Z,   0.40,   7.89,  99.90,   6.90,  -1.39,
02/22 00Z,   0.40,   9.28,  99.90,   8.29,  -1.39,
02/22 01Z,   0.30,   9.55,  99.90,   8.46,  -1.39,  (max)
02/22 02Z,   0.40,   8.68,  99.90,   7.69,  -1.39,
02/22 03Z,   0.40,   6.95,  99.90,   5.96,  -1.39,
02/22 04Z,   0.40,   4.80,  99.90,   3.81,  -1.39,
02/22 05Z,   0.50,   2.77,  99.90,   1.87,  -1.39,
02/22 06Z,   0.50,   1.43,  99.90,   0.53,  -1.39,