EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Surge List
#Seward, AK : 02/17/2026 05:22:29 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/15 12Z,   0.30,   6.54,   5.41,  99.90,  -1.43,
02/15 13Z,   0.20,   5.15,   3.95,  99.90,  -1.40,
02/15 14Z,   0.20,   4.15,   2.79,  99.90,  -1.56,
02/15 15Z,   0.30,   3.86,   2.46,  99.90,  -1.70,  (min)
02/15 16Z,   0.30,   4.42,   3.21,  99.90,  -1.51,
02/15 17Z,   0.30,   5.73,   4.41,  99.90,  -1.62,
02/15 18Z,   0.20,   7.51,   6.26,  99.90,  -1.45,
02/15 19Z,   0.30,   9.25,   8.01,  99.90,  -1.54,
02/15 20Z,   0.40,  10.44,   9.32,  99.90,  -1.52,
02/15 21Z,   0.40,  10.71,   9.41,  99.90,  -1.70,  (max)
02/15 22Z,   0.40,   9.95,   8.65,  99.90,  -1.70,
02/15 23Z,   0.20,   8.22,   6.84,  99.90,  -1.58,
02/16 00Z,   0.00,   5.78,   4.42,  99.90,  -1.36,
02/16 01Z,   0.00,   3.12,   1.74,  99.90,  -1.38,
02/16 02Z,   0.00,   0.88,  -0.53,  99.90,  -1.41,
02/16 03Z,   0.00,  -0.45,  -1.87,  99.90,  -1.42,
02/16 04Z,   0.00,  -0.59,  -2.05,  99.90,  -1.46,  (min)
02/16 05Z,  -0.10,   0.44,  -1.07,  99.90,  -1.41,
02/16 06Z,  -0.10,   2.41,   0.82,  99.90,  -1.49,
02/16 07Z,  -0.10,   4.82,   3.11,  99.90,  -1.61,
02/16 08Z,   0.00,   7.05,   5.41,  99.90,  -1.64,
02/16 09Z,   0.00,   8.59,   7.02,  99.90,  -1.57,
02/16 10Z,   0.00,   9.16,   7.64,  99.90,  -1.52,  (max)
02/16 11Z,   0.00,   8.73,   7.37,  99.90,  -1.36,
02/16 12Z,  -0.10,   7.44,   6.17,  99.90,  -1.17,
02/16 13Z,  -0.10,   5.68,   4.45,  99.90,  -1.13,
02/16 14Z,  -0.10,   4.05,   3.00,  99.90,  -0.95,
02/16 15Z,  -0.10,   3.10,   1.81,  99.90,  -1.19,  (min)
02/16 16Z,  -0.10,   3.13,   1.96,  99.90,  -1.07,
02/16 17Z,  -0.20,   4.18,   3.00,  99.90,  -0.98,
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,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 06Z,  -0.30,   1.18,  99.90,  -0.20,  -1.07,
02/17 07Z,  -0.20,   3.70,  99.90,   2.38,  -1.11,
02/17 08Z,  -0.20,   6.36,  99.90,   5.02,  -1.15,
02/17 09Z,  -0.30,   8.51,  99.90,   7.03,  -1.19,
02/17 10Z,  -0.30,   9.66,  99.90,   8.13,  -1.22,  (max)
02/17 11Z,  -0.30,   9.63,  99.90,   8.07,  -1.26,
02/17 12Z,  -0.20,   8.52,  99.90,   7.02,  -1.30,
02/17 13Z,  -0.20,   6.63,  99.90,   5.09,  -1.33,
02/17 14Z,  -0.10,   4.51,  99.90,   3.03,  -1.37,
02/17 15Z,  -0.10,   2.83,  99.90,   1.32,  -1.41,
02/17 16Z,   0.00,   2.15,  99.90,   0.70,  -1.45,  (min)
02/17 17Z,   0.00,   2.67,  99.90,   1.19,  -1.48,
02/17 18Z,   0.00,   4.27,  99.90,   2.79,  -1.48,
02/17 19Z,   0.00,   6.55,  99.90,   5.07,  -1.48,
02/17 20Z,   0.00,   8.93,  99.90,   7.44,  -1.48,
02/17 21Z,   0.00,  10.72,  99.90,   9.23,  -1.48,
02/17 22Z,   0.00,  11.41,  99.90,   9.92,  -1.48,  (max)
02/17 23Z,   0.00,  10.78,  99.90,   9.30,  -1.48,
02/18 00Z,   0.00,   8.95,  99.90,   7.47,  -1.48,
02/18 01Z,   0.00,   6.24,  99.90,   4.76,  -1.48,
02/18 02Z,   0.00,   3.20,  99.90,   1.72,  -1.48,
02/18 03Z,   0.00,   0.55,  99.90,  -0.93,  -1.48,
02/18 04Z,   0.00,  -1.02,  99.90,  -2.50,  -1.48,
02/18 05Z,   0.00,  -1.14,  99.90,  -2.62,  -1.48,  (min)
02/18 06Z,   0.00,   0.16,  99.90,  -1.32,  -1.48,
02/18 07Z,   0.00,   2.54,  99.90,   1.06,  -1.48,
02/18 08Z,   0.00,   5.41,  99.90,   3.93,  -1.48,
02/18 09Z,   0.00,   8.07,  99.90,   6.59,  -1.48,
02/18 10Z,   0.00,   9.85,  99.90,   8.37,  -1.48,
02/18 11Z,   0.00,  10.38,  99.90,   8.90,  -1.48,  (max)
02/18 12Z,   0.00,   9.64,  99.90,   8.15,  -1.48,
02/18 13Z,   0.00,   7.85,  99.90,   6.37,  -1.48,
02/18 14Z,   0.00,   5.48,  99.90,   4.00,  -1.48,
02/18 15Z,   0.00,   3.19,  99.90,   1.71,  -1.48,
02/18 16Z,   0.00,   1.69,  99.90,   0.21,  -1.48,
02/18 17Z,   0.00,   1.45,  99.90,  -0.03,  -1.48,  (min)
02/18 18Z,   0.00,   2.53,  99.90,   1.05,  -1.48,
02/18 19Z,   0.10,   4.63,  99.90,   3.25,  -1.48,
02/18 20Z,   0.10,   7.21,  99.90,   5.82,  -1.48,
02/18 21Z,   0.10,   9.58,  99.90,   8.20,  -1.48,
02/18 22Z,   0.10,  11.09,  99.90,   9.70,  -1.48,
02/18 23Z,   0.20,  11.30,  99.90,  10.02,  -1.48,  (max)
02/19 00Z,   0.20,  10.15,  99.90,   8.87,  -1.48,
02/19 01Z,   0.20,   7.88,  99.90,   6.59,  -1.48,
02/19 02Z,   0.20,   4.94,  99.90,   3.66,  -1.48,
02/19 03Z,   0.30,   1.99,  99.90,   0.80,  -1.48,
02/19 04Z,   0.20,  -0.23,  99.90,  -1.51,  -1.48,
02/19 05Z,   0.30,  -1.11,  99.90,  -2.29,  -1.48,  (min)
02/19 06Z,   0.20,  -0.44,  99.90,  -1.73,  -1.48,
02/19 07Z,   0.30,   1.55,  99.90,   0.36,  -1.48,
02/19 08Z,   0.30,   4.35,  99.90,   3.17,  -1.48,
02/19 09Z,   0.30,   7.29,  99.90,   6.11,  -1.48,
02/19 10Z,   0.30,   9.64,  99.90,   8.46,  -1.48,
02/19 11Z,   0.30,  10.83,  99.90,   9.65,  -1.48,  (max)
02/19 12Z,   0.30,  10.63,  99.90,   9.45,  -1.48,
02/19 13Z,   0.30,   9.17,  99.90,   7.99,  -1.48,
02/19 14Z,   0.30,   6.84,  99.90,   5.65,  -1.48,
02/19 15Z,   0.40,   4.19,  99.90,   3.11,  -1.48,
02/19 16Z,   0.40,   1.97,  99.90,   0.89,  -1.48,
02/19 17Z,   0.40,   0.83,  99.90,  -0.25,  -1.48,  (min)
02/19 18Z,   0.40,   1.11,  99.90,   0.02,  -1.48,
02/19 19Z,   0.40,   2.69,  99.90,   1.60,  -1.48,
02/19 20Z,   0.50,   5.12,  99.90,   4.13,  -1.48,
02/19 21Z,   0.40,   7.76,  99.90,   6.68,  -1.48,
02/19 22Z,   0.40,   9.92,  99.90,   8.84,  -1.48,
02/19 23Z,   0.40,  11.01,  99.90,   9.93,  -1.48,  (max)
02/20 00Z,   0.40,  10.73,  99.90,   9.65,  -1.48,
02/20 01Z,   0.30,   9.16,  99.90,   7.98,  -1.48,
02/20 02Z,   0.30,   6.66,  99.90,   5.48,  -1.48,
02/20 03Z,   0.30,   3.78,  99.90,   2.60,  -1.48,
02/20 04Z,   0.40,   1.20,  99.90,   0.11,  -1.48,
02/20 05Z,   0.40,  -0.37,  99.90,  -1.46,  -1.48,
02/20 06Z,   0.40,  -0.48,  99.90,  -1.56,  -1.48,  (min)
02/20 07Z,   0.50,   0.90,  99.90,  -0.09,  -1.48,
02/20 08Z,   0.60,   3.36,  99.90,   2.48,  -1.48,
02/20 09Z,   0.60,   6.30,  99.90,   5.42,  -1.48,
02/20 10Z,   0.60,   9.01,  99.90,   8.13,  -1.48,
02/20 11Z,   0.60,  10.83,  99.90,   9.94,  -1.48,
02/20 12Z,   0.80,  11.31,  99.90,  10.63,  -1.48,  (max)
02/20 13Z,   0.40,  10.40,  99.90,   9.32,  -1.48,
02/20 14Z,   0.50,   8.37,  99.90,   7.38,  -1.48,
02/20 15Z,   0.70,   5.69,  99.90,   4.91,  -1.48,
02/20 16Z,   0.80,   3.02,  99.90,   2.33,  -1.48,
02/20 17Z,   0.50,   1.04,  99.90,   0.06,  -1.48,
02/20 18Z,   0.50,   0.35,  99.90,  -0.63,  -1.48,  (min)
02/20 19Z,   0.70,   1.10,  99.90,   0.31,  -1.48,
02/20 20Z,   0.50,   3.01,  99.90,   2.03,  -1.48,
02/20 21Z,   0.50,   5.54,  99.90,   4.56,  -1.48,
02/20 22Z,   0.50,   8.03,  99.90,   7.05,  -1.48,
02/20 23Z,   0.40,   9.83,  99.90,   8.75,  -1.48,
02/21 00Z,   0.20,  10.47,  99.90,   9.19,  -1.48,