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
Gulf of Alaska
#Seward, AK : 04/14/2026 05:22:39 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 12Z,   0.90,   4.43,   4.01,  99.90,  -1.32,
04/12 13Z,   0.90,   4.56,   4.07,  99.90,  -1.39,  (min)
04/12 14Z,   1.00,   5.11,   4.68,  99.90,  -1.43,
04/12 15Z,   1.00,   5.98,   5.42,  99.90,  -1.56,
04/12 16Z,   1.00,   6.95,   6.45,  99.90,  -1.50,
04/12 17Z,   1.00,   7.72,   7.23,  99.90,  -1.49,
04/12 18Z,   0.90,   8.01,   7.55,  99.90,  -1.36,  (max)
04/12 19Z,   1.00,   7.70,   7.18,  99.90,  -1.52,
04/12 20Z,   1.00,   6.83,   6.36,  99.90,  -1.47,
04/12 21Z,   1.10,   5.48,   5.04,  99.90,  -1.54,
04/12 22Z,   1.00,   3.90,   3.50,  99.90,  -1.40,
04/12 23Z,   1.20,   2.46,   2.08,  99.90,  -1.58,
04/13 00Z,   1.00,   1.52,   1.16,  99.90,  -1.36,
04/13 01Z,   1.10,   1.26,   0.78,  99.90,  -1.58,  (min)
04/13 02Z,   1.10,   1.73,   1.32,  99.90,  -1.51,
04/13 03Z,   1.10,   2.85,   2.43,  99.90,  -1.52,
04/13 04Z,   1.20,   4.41,   3.99,  99.90,  -1.62,
04/13 05Z,   1.20,   6.03,   5.61,  99.90,  -1.62,
04/13 06Z,   1.10,   7.32,   6.93,  99.90,  -1.49,
04/13 07Z,   1.20,   8.00,   7.64,  99.90,  -1.56,
04/13 08Z,   1.20,   7.97,   7.65,  99.90,  -1.52,  (max)
04/13 09Z,   1.20,   7.28,   7.00,  99.90,  -1.48,
04/13 10Z,   1.20,   6.10,   5.82,  99.90,  -1.48,
04/13 11Z,   1.20,   4.77,   4.50,  99.90,  -1.47,
04/13 12Z,   1.20,   3.73,   3.45,  99.90,  -1.48,
04/13 13Z,   1.20,   3.25,   2.94,  99.90,  -1.51,  (min)
04/13 14Z,   1.20,   3.45,   3.07,  99.90,  -1.58,
04/13 15Z,   1.20,   4.29,   3.90,  99.90,  -1.59,
04/13 16Z,   1.20,   5.58,   5.13,  99.90,  -1.65,
04/13 17Z,   1.20,   6.99,   6.45,  99.90,  -1.74,
04/13 18Z,   1.20,   8.08,   7.58,  99.90,  -1.70,
04/13 19Z,   1.20,   8.52,   8.06,  99.90,  -1.66,  (max)
04/13 20Z,   1.30,   8.18,   7.75,  99.90,  -1.73,
04/13 21Z,   1.30,   7.10,   6.59,  99.90,  -1.81,
04/13 22Z,   1.30,   5.44,   4.97,  99.90,  -1.77,
04/13 23Z,   1.30,   3.56,   3.01,  99.90,  -1.85,
04/14 00Z,   1.30,   1.94,   1.39,  99.90,  -1.85,
04/14 01Z,   1.30,   0.99,   0.27,  99.90,  -2.02,
04/14 02Z,   1.20,   0.94,   0.24,  99.90,  -1.90,  (min)
04/14 03Z,   1.20,   1.79,   1.07,  99.90,  -1.92,
04/14 04Z,   1.20,   3.40,   2.68,  99.90,  -1.92,
04/14 05Z,   1.10,   5.39,   4.73,  99.90,  -1.76,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 06Z,   1.10,   7.28,  99.90,   6.64,  -1.74,
04/14 07Z,   1.10,   8.58,  99.90,   7.95,  -1.72,
04/14 08Z,   1.10,   9.01,  99.90,   8.40,  -1.70,  (max)
04/14 09Z,   1.00,   8.52,  99.90,   7.83,  -1.68,
04/14 10Z,   1.00,   7.22,  99.90,   6.55,  -1.66,
04/14 11Z,   1.00,   5.42,  99.90,   4.77,  -1.64,
04/14 12Z,   1.00,   3.61,  99.90,   2.99,  -1.62,
04/14 13Z,   1.00,   2.32,  99.90,   1.72,  -1.60,
04/14 14Z,   1.00,   1.88,  99.90,   1.30,  -1.58,  (min)
04/14 15Z,   1.00,   2.38,  99.90,   1.81,  -1.56,
04/14 16Z,   1.00,   3.69,  99.90,   3.15,  -1.54,
04/14 17Z,   1.00,   5.51,  99.90,   4.99,  -1.52,
04/14 18Z,   1.00,   7.35,  99.90,   6.83,  -1.52,
04/14 19Z,   1.00,   8.67,  99.90,   8.15,  -1.52,
04/14 20Z,   1.10,   9.11,  99.90,   8.69,  -1.52,  (max)
04/14 21Z,   1.00,   8.58,  99.90,   8.06,  -1.52,
04/14 22Z,   1.00,   7.17,  99.90,   6.64,  -1.52,
04/14 23Z,   0.90,   5.15,  99.90,   4.53,  -1.52,
04/15 00Z,   0.90,   3.01,  99.90,   2.39,  -1.52,
04/15 01Z,   0.90,   1.34,  99.90,   0.72,  -1.52,
04/15 02Z,   0.90,   0.59,  99.90,  -0.03,  -1.52,  (min)
04/15 03Z,   0.90,   0.96,  99.90,   0.33,  -1.52,
04/15 04Z,   1.00,   2.35,  99.90,   1.83,  -1.52,
04/15 05Z,   0.80,   4.49,  99.90,   3.76,  -1.52,
04/15 06Z,   1.10,   6.85,  99.90,   6.43,  -1.52,
04/15 07Z,   1.20,   8.82,  99.90,   8.50,  -1.52,
04/15 08Z,   1.10,   9.89,  99.90,   9.47,  -1.52,  (max)
04/15 09Z,   1.00,   9.83,  99.90,   9.30,  -1.52,
04/15 10Z,   1.10,   8.67,  99.90,   8.25,  -1.52,
04/15 11Z,   1.10,   6.66,  99.90,   6.23,  -1.52,
04/15 12Z,   1.10,   4.25,  99.90,   3.83,  -1.52,
04/15 13Z,   0.90,   2.08,  99.90,   1.46,  -1.52,
04/15 14Z,   0.90,   0.75,  99.90,   0.12,  -1.52,
04/15 15Z,   0.90,   0.56,  99.90,  -0.06,  -1.52,  (min)
04/15 16Z,   0.90,   1.55,  99.90,   0.92,  -1.52,
04/15 17Z,   0.80,   3.44,  99.90,   2.72,  -1.52,
04/15 18Z,   0.80,   5.78,  99.90,   5.06,  -1.52,
04/15 19Z,   0.90,   7.94,  99.90,   7.32,  -1.52,
04/15 20Z,   0.90,   9.33,  99.90,   8.70,  -1.52,
04/15 21Z,   0.90,   9.61,  99.90,   8.99,  -1.52,  (max)
04/15 22Z,   0.90,   8.76,  99.90,   8.14,  -1.52,
04/15 23Z,   1.00,   6.97,  99.90,   6.45,  -1.52,
04/16 00Z,   0.90,   4.65,  99.90,   4.02,  -1.52,
04/16 01Z,   1.00,   2.40,  99.90,   1.87,  -1.52,
04/16 02Z,   0.90,   0.88,  99.90,   0.25,  -1.52,
04/16 03Z,   0.80,   0.53,  99.90,  -0.20,  -1.52,  (min)
04/16 04Z,   0.80,   1.45,  99.90,   0.72,  -1.52,
04/16 05Z,   0.80,   3.43,  99.90,   2.71,  -1.52,
04/16 06Z,   0.80,   6.01,  99.90,   5.29,  -1.52,
04/16 07Z,   0.80,   8.55,  99.90,   7.83,  -1.52,
04/16 08Z,   0.70,  10.36,  99.90,   9.54,  -1.52,
04/16 09Z,   0.70,  10.97,  99.90,  10.15,  -1.52,  (max)
04/16 10Z,   0.70,  10.24,  99.90,   9.42,  -1.52,
04/16 11Z,   0.70,   8.34,  99.90,   7.51,  -1.52,
04/16 12Z,   0.70,   5.64,  99.90,   4.81,  -1.52,
04/16 13Z,   0.60,   2.76,  99.90,   1.84,  -1.52,
04/16 14Z,   0.60,   0.44,  99.90,  -0.49,  -1.52,
04/16 15Z,   0.50,  -0.72,  99.90,  -1.75,  -1.52,  (min)
04/16 16Z,   0.60,  -0.46,  99.90,  -1.39,  -1.52,
04/16 17Z,   0.60,   1.10,  99.90,   0.17,  -1.52,
04/16 18Z,   0.60,   3.56,  99.90,   2.63,  -1.52,
04/16 19Z,   0.60,   6.29,  99.90,   5.37,  -1.52,
04/16 20Z,   0.70,   8.59,  99.90,   7.77,  -1.52,
04/16 21Z,   0.60,   9.87,  99.90,   8.94,  -1.52,
04/16 22Z,   0.70,   9.86,  99.90,   9.04,  -1.52,  (max)
04/16 23Z,   0.80,   8.65,  99.90,   7.93,  -1.52,
04/17 00Z,   0.70,   6.54,  99.90,   5.71,  -1.52,
04/17 01Z,   0.60,   4.05,  99.90,   3.12,  -1.52,
04/17 02Z,   0.60,   1.88,  99.90,   0.96,  -1.52,
04/17 03Z,   0.70,   0.70,  99.90,  -0.12,  -1.52,  (min)
04/17 04Z,   0.70,   0.89,  99.90,   0.07,  -1.52,
04/17 05Z,   0.70,   2.41,  99.90,   1.58,  -1.52,
04/17 06Z,   0.70,   4.89,  99.90,   4.06,  -1.52,
04/17 07Z,   0.70,   7.73,  99.90,   6.91,  -1.52,
04/17 08Z,   0.80,  10.21,  99.90,   9.48,  -1.52,
04/17 09Z,   0.80,  11.63,  99.90,  10.91,  -1.52,  (max)
04/17 10Z,   0.80,  11.62,  99.90,  10.89,  -1.52,
04/17 11Z,   0.80,  10.16,  99.90,   9.44,  -1.52,
04/17 12Z,   0.80,   7.56,  99.90,   6.84,  -1.52,
04/17 13Z,   0.80,   4.34,  99.90,   3.61,  -1.52,
04/17 14Z,   0.80,   1.21,  99.90,   0.49,  -1.52,
04/17 15Z,   0.80,  -1.03,  99.90,  -1.75,  -1.52,
04/17 16Z,   0.80,  -1.82,  99.90,  -2.55,  -1.52,  (min)
04/17 17Z,   0.80,  -1.04,  99.90,  -1.76,  -1.52,
04/17 18Z,   0.80,   1.07,  99.90,   0.35,  -1.52,
04/17 19Z,   0.80,   3.95,  99.90,   3.22,  -1.52,
04/17 20Z,   0.80,   6.87,  99.90,   6.15,  -1.52,
04/17 21Z,   0.80,   9.11,  99.90,   8.38,  -1.52,
04/17 22Z,   0.80,  10.13,  99.90,   9.41,  -1.52,  (max)
04/17 23Z,   0.80,   9.79,  99.90,   9.06,  -1.52,
04/18 00Z,   0.80,   8.26,  99.90,   7.54,  -1.52,