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
#Seward, AK : 05/16/2026 16:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 00Z,   0.80,   3.88,   3.36,  99.90,  -1.32,
05/15 01Z,   0.80,   2.38,   1.68,  99.90,  -1.50,
05/15 02Z,   0.70,   1.78,   1.15,  99.90,  -1.33,  (min)
05/15 03Z,   0.60,   2.32,   1.73,  99.90,  -1.19,
05/15 04Z,   0.60,   3.89,   3.34,  99.90,  -1.15,
05/15 05Z,   0.60,   6.16,   5.63,  99.90,  -1.13,
05/15 06Z,   0.70,   8.59,   8.11,  99.90,  -1.18,
05/15 07Z,   0.70,  10.55,  10.05,  99.90,  -1.20,
05/15 08Z,   0.70,  11.46,  10.88,  99.90,  -1.28,  (max)
05/15 09Z,   0.60,  11.08,  10.44,  99.90,  -1.24,
05/15 10Z,   0.60,   9.44,   8.89,  99.90,  -1.15,
05/15 11Z,   0.50,   6.84,   6.34,  99.90,  -1.00,
05/15 12Z,   0.70,   3.78,   3.28,  99.90,  -1.20,
05/15 13Z,   0.60,   0.92,   0.36,  99.90,  -1.16,
05/15 14Z,   0.50,  -1.06,  -1.61,  99.90,  -1.05,
05/15 15Z,   0.60,  -1.70,  -2.20,  99.90,  -1.10,  (min)
05/15 16Z,   0.60,  -0.94,  -1.47,  99.90,  -1.13,
05/15 17Z,   0.60,   0.97,   0.41,  99.90,  -1.16,
05/15 18Z,   0.60,   3.55,   2.91,  99.90,  -1.24,
05/15 19Z,   0.60,   6.16,   5.46,  99.90,  -1.30,
05/15 20Z,   0.60,   8.14,   7.47,  99.90,  -1.27,
05/15 21Z,   0.60,   9.06,   8.36,  99.90,  -1.30,  (max)
05/15 22Z,   0.60,   8.81,   8.06,  99.90,  -1.35,
05/15 23Z,   0.60,   7.57,   6.85,  99.90,  -1.32,
05/16 00Z,   0.60,   5.68,   5.00,  99.90,  -1.28,
05/16 01Z,   0.60,   3.70,   2.98,  99.90,  -1.32,
05/16 02Z,   0.50,   2.28,   1.50,  99.90,  -1.28,
05/16 03Z,   0.50,   1.95,   1.24,  99.90,  -1.21,  (min)
05/16 04Z,   0.50,   2.85,   2.19,  99.90,  -1.16,
05/16 05Z,   0.50,   4.80,   4.20,  99.90,  -1.10,
05/16 06Z,   0.50,   7.36,   6.82,  99.90,  -1.04,
05/16 07Z,   0.50,   9.89,   9.32,  99.90,  -1.07,
05/16 08Z,   0.50,  11.69,  11.08,  99.90,  -1.11,
05/16 09Z,   0.50,  12.24,  11.55,  99.90,  -1.19,  (max)
05/16 10Z,   0.50,  11.34,  10.68,  99.90,  -1.16,
05/16 11Z,   0.50,   9.15,   8.45,  99.90,  -1.20,
05/16 12Z,   0.50,   6.03,   5.32,  99.90,  -1.21,
05/16 13Z,   0.50,   2.60,   2.00,  99.90,  -1.10,
05/16 14Z,   0.50,  -0.40,  -0.94,  99.90,  -1.04,
05/16 15Z,   0.50,  -2.26,  -2.90,  99.90,  -1.14,
05/16 16Z,   0.60,  -2.58,  -3.13,  99.90,  -1.15,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 17Z,   0.50,  -1.39,  99.90,  -2.04,  -1.15,
05/16 18Z,   0.50,   0.96,  99.90,   0.31,  -1.15,
05/16 19Z,   0.40,   3.88,  99.90,   3.13,  -1.14,
05/16 20Z,   0.40,   6.64,  99.90,   5.90,  -1.14,
05/16 21Z,   0.50,   8.60,  99.90,   7.96,  -1.14,
05/16 22Z,   0.40,   9.36,  99.90,   8.62,  -1.14,  (max)
05/16 23Z,   0.40,   8.90,  99.90,   8.17,  -1.14,
05/17 00Z,   0.40,   7.45,  99.90,   6.72,  -1.14,
05/17 01Z,   0.40,   5.44,  99.90,   4.70,  -1.13,
05/17 02Z,   0.40,   3.47,  99.90,   2.74,  -1.13,
05/17 03Z,   0.40,   2.24,  99.90,   1.51,  -1.13,
05/17 04Z,   0.40,   2.22,  99.90,   1.49,  -1.13,  (min)
05/17 05Z,   0.50,   3.49,  99.90,   2.86,  -1.13,
05/17 06Z,   0.60,   5.74,  99.90,   5.21,  -1.13,
05/17 07Z,   0.70,   8.46,  99.90,   8.03,  -1.13,
05/17 08Z,   0.70,  10.93,  99.90,  10.50,  -1.13,
05/17 09Z,   0.70,  12.46,  99.90,  12.04,  -1.13,
05/17 10Z,   0.80,  12.60,  99.90,  12.27,  -1.13,  (max)
05/17 11Z,   0.90,  11.23,  99.90,  11.00,  -1.13,
05/17 12Z,   0.90,   8.58,  99.90,   8.35,  -1.13,
05/17 13Z,   1.00,   5.13,  99.90,   5.00,  -1.13,
05/17 14Z,   1.00,   1.53,  99.90,   1.41,  -1.13,
05/17 15Z,   1.20,  -1.41,  99.90,  -1.34,  -1.13,
05/17 16Z,   1.00,  -3.01,  99.90,  -3.14,  -1.13,  (min)
05/17 17Z,   1.00,  -2.96,  99.90,  -3.09,  -1.13,
05/17 18Z,   1.10,  -1.39,  99.90,  -1.42,  -1.13,
05/17 19Z,   1.20,   1.26,  99.90,   1.33,  -1.13,
05/17 20Z,   1.10,   4.33,  99.90,   4.30,  -1.13,
05/17 21Z,   1.00,   7.07,  99.90,   6.94,  -1.13,
05/17 22Z,   0.90,   8.87,  99.90,   8.64,  -1.13,
05/17 23Z,   1.10,   9.42,  99.90,   9.39,  -1.13,  (max)
05/18 00Z,   1.10,   8.76,  99.90,   8.73,  -1.13,
05/18 01Z,   0.90,   7.17,  99.90,   6.94,  -1.13,
05/18 02Z,   0.90,   5.12,  99.90,   4.89,  -1.13,
05/18 03Z,   0.90,   3.28,  99.90,   3.05,  -1.13,
05/18 04Z,   0.90,   2.31,  99.90,   2.08,  -1.13,  (min)
05/18 05Z,   0.80,   2.60,  99.90,   2.28,  -1.13,
05/18 06Z,   0.80,   4.15,  99.90,   3.82,  -1.13,
05/18 07Z,   0.80,   6.58,  99.90,   6.25,  -1.13,
05/18 08Z,   0.80,   9.28,  99.90,   8.95,  -1.13,
05/18 09Z,   0.70,  11.56,  99.90,  11.13,  -1.13,
05/18 10Z,   0.70,  12.76,  99.90,  12.33,  -1.13,  (max)
05/18 11Z,   0.70,  12.50,  99.90,  12.07,  -1.13,
05/18 12Z,   0.70,  10.77,  99.90,  10.34,  -1.13,
05/18 13Z,   0.70,   7.87,  99.90,   7.44,  -1.13,
05/18 14Z,   0.60,   4.29,  99.90,   3.76,  -1.13,
05/18 15Z,   0.60,   0.74,  99.90,   0.22,  -1.13,
05/18 16Z,   0.60,  -1.97,  99.90,  -2.50,  -1.13,
05/18 17Z,   0.60,  -3.24,  99.90,  -3.77,  -1.13,  (min)
05/18 18Z,   0.60,  -2.85,  99.90,  -3.38,  -1.13,
05/18 19Z,   0.60,  -1.02,  99.90,  -1.55,  -1.13,
05/18 20Z,   0.60,   1.75,  99.90,   1.22,  -1.13,
05/18 21Z,   0.60,   4.78,  99.90,   4.25,  -1.13,
05/18 22Z,   0.60,   7.35,  99.90,   6.82,  -1.13,
05/18 23Z,   0.60,   8.91,  99.90,   8.38,  -1.13,
05/19 00Z,   0.60,   9.24,  99.90,   8.71,  -1.13,  (max)
05/19 01Z,   0.60,   8.44,  99.90,   7.91,  -1.13,
05/19 02Z,   0.70,   6.80,  99.90,   6.38,  -1.13,
05/19 03Z,   0.70,   4.84,  99.90,   4.41,  -1.13,
05/19 04Z,   0.60,   3.19,  99.90,   2.67,  -1.13,
05/19 05Z,   0.70,   2.49,  99.90,   2.06,  -1.13,  (min)
05/19 06Z,   0.70,   3.04,  99.90,   2.61,  -1.13,
05/19 07Z,   0.70,   4.74,  99.90,   4.31,  -1.13,
05/19 08Z,   0.70,   7.16,  99.90,   6.73,  -1.13,
05/19 09Z,   0.70,   9.70,  99.90,   9.27,  -1.13,
05/19 10Z,   0.70,  11.69,  99.90,  11.26,  -1.13,
05/19 11Z,   0.70,  12.55,  99.90,  12.12,  -1.13,  (max)
05/19 12Z,   0.60,  11.99,  99.90,  11.46,  -1.13,
05/19 13Z,   0.60,  10.07,  99.90,   9.55,  -1.13,
05/19 14Z,   0.50,   7.12,  99.90,   6.49,  -1.13,
05/19 15Z,   0.60,   3.64,  99.90,   3.11,  -1.13,
05/19 16Z,   0.50,   0.32,  99.90,  -0.30,  -1.13,
05/19 17Z,   0.60,  -2.06,  99.90,  -2.59,  -1.13,
05/19 18Z,   0.50,  -2.99,  99.90,  -3.62,  -1.13,  (min)
05/19 19Z,   0.50,  -2.34,  99.90,  -2.97,  -1.13,
05/19 20Z,   0.50,  -0.41,  99.90,  -1.04,  -1.13,
05/19 21Z,   0.50,   2.30,  99.90,   1.67,  -1.13,
05/19 22Z,   0.60,   5.13,  99.90,   4.60,  -1.13,
05/19 23Z,   0.60,   7.44,  99.90,   6.91,  -1.13,
05/20 00Z,   0.60,   8.75,  99.90,   8.22,  -1.13,
05/20 01Z,   0.60,   8.92,  99.90,   8.39,  -1.13,  (max)
05/20 02Z,   0.60,   8.07,  99.90,   7.54,  -1.13,
05/20 03Z,   0.60,   6.49,  99.90,   5.96,  -1.13,
05/20 04Z,   0.60,   4.68,  99.90,   4.15,  -1.13,
05/20 05Z,   0.70,   3.26,  99.90,   2.83,  -1.13,
05/20 06Z,   0.70,   2.78,  99.90,   2.35,  -1.13,
05/20 07Z,  99.90,   3.46,  99.90,  99.90,  -1.13,
05/20 08Z,  99.90,   5.13,  99.90,  99.90,  -1.13,
05/20 09Z,  99.90,   7.38,  99.90,  99.90,  -1.13,
05/20 10Z,  99.90,   9.64,  99.90,  99.90,  -1.13,
05/20 11Z,  99.90,  11.30,  99.90,  99.90,  -1.13,
05/20 12Z,  99.90,  11.89,  99.90,  99.90,  -1.13,