EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 05/10/2026 14:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/08 18Z,   0.70,   3.38,   2.95,  99.90,  -1.13,
05/08 19Z,   0.80,   1.96,   1.58,  99.90,  -1.18,
05/08 20Z,   0.70,   1.10,   0.77,  99.90,  -1.03,
05/08 21Z,   0.70,   0.97,   0.58,  99.90,  -1.09,  (min)
05/08 22Z,   0.80,   1.53,   1.24,  99.90,  -1.09,
05/08 23Z,   0.90,   2.58,   2.22,  99.90,  -1.26,
05/09 00Z,   1.00,   3.89,   3.60,  99.90,  -1.29,
05/09 01Z,   0.90,   5.20,   4.96,  99.90,  -1.14,
05/09 02Z,   0.90,   6.25,   5.99,  99.90,  -1.16,
05/09 03Z,   1.00,   6.84,   6.58,  99.90,  -1.26,
05/09 04Z,   1.10,   6.91,   6.67,  99.90,  -1.34,  (max)
05/09 05Z,   1.30,   6.56,   6.42,  99.90,  -1.44,
05/09 06Z,   1.20,   5.94,   5.81,  99.90,  -1.33,
05/09 07Z,   1.20,   5.25,   5.20,  99.90,  -1.25,
05/09 08Z,   1.30,   4.76,   4.80,  99.90,  -1.26,
05/09 09Z,   1.30,   4.70,   4.73,  99.90,  -1.27,  (min)
05/09 10Z,   1.30,   5.11,   5.12,  99.90,  -1.29,
05/09 11Z,   1.30,   5.84,   5.88,  99.90,  -1.26,
05/09 12Z,   1.50,   6.68,   6.74,  99.90,  -1.44,
05/09 13Z,   1.40,   7.45,   7.55,  99.90,  -1.30,
05/09 14Z,   1.40,   7.91,   8.09,  99.90,  -1.22,  (max)
05/09 15Z,   1.40,   7.89,   8.01,  99.90,  -1.28,
05/09 16Z,   1.50,   7.30,   7.44,  99.90,  -1.36,
05/09 17Z,   1.50,   6.24,   6.45,  99.90,  -1.29,
05/09 18Z,   1.60,   4.87,   5.05,  99.90,  -1.42,
05/09 19Z,   1.60,   3.42,   3.67,  99.90,  -1.35,
05/09 20Z,   1.60,   2.16,   2.41,  99.90,  -1.35,
05/09 21Z,   1.60,   1.39,   1.60,  99.90,  -1.39,
05/09 22Z,   1.60,   1.29,   1.48,  99.90,  -1.41,  (min)
05/09 23Z,   1.60,   1.82,   1.93,  99.90,  -1.49,
05/10 00Z,   1.70,   2.81,   3.04,  99.90,  -1.47,
05/10 01Z,   1.60,   4.08,   4.26,  99.90,  -1.42,
05/10 02Z,   1.60,   5.39,   5.50,  99.90,  -1.49,
05/10 03Z,   1.60,   6.47,   6.54,  99.90,  -1.53,
05/10 04Z,   1.60,   7.10,   7.25,  99.90,  -1.45,
05/10 05Z,   1.60,   7.20,   7.38,  99.90,  -1.42,  (max)
05/10 06Z,   1.60,   6.84,   7.13,  99.90,  -1.31,
05/10 07Z,   1.60,   6.15,   6.51,  99.90,  -1.24,
05/10 08Z,   1.60,   5.34,   5.68,  99.90,  -1.26,
05/10 09Z,   1.60,   4.68,   5.05,  99.90,  -1.23,
05/10 10Z,   1.60,   4.42,   4.86,  99.90,  -1.16,  (min)
05/10 11Z,   1.60,   4.62,   4.97,  99.90,  -1.25,
05/10 12Z,   1.60,   5.19,   5.39,  99.90,  -1.40,
05/10 13Z,   1.60,   5.95,   6.17,  99.90,  -1.38,
05/10 14Z,   1.70,   6.75,   7.00,  99.90,  -1.45,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 15Z,   1.70,   7.33,  99.90,   7.60,  -1.43,
05/10 16Z,   1.70,   7.48,  99.90,   7.76,  -1.42,  (max)
05/10 17Z,   1.70,   7.09,  99.90,   7.38,  -1.41,
05/10 18Z,   1.70,   6.20,  99.90,   6.51,  -1.39,
05/10 19Z,   1.60,   4.97,  99.90,   5.19,  -1.38,
05/10 20Z,   1.50,   3.59,  99.90,   3.72,  -1.37,
05/10 21Z,   1.50,   2.35,  99.90,   2.50,  -1.35,
05/10 22Z,   1.40,   1.59,  99.90,   1.65,  -1.34,
05/10 23Z,   1.40,   1.48,  99.90,   1.55,  -1.33,  (min)
05/11 00Z,   1.40,   2.01,  99.90,   2.10,  -1.31,
05/11 01Z,   1.10,   3.05,  99.90,   2.85,  -1.30,
05/11 02Z,   1.30,   4.42,  99.90,   4.44,  -1.29,
05/11 03Z,   1.30,   5.86,  99.90,   5.88,  -1.29,
05/11 04Z,   1.10,   7.05,  99.90,   6.86,  -1.29,
05/11 05Z,   1.10,   7.71,  99.90,   7.52,  -1.29,
05/11 06Z,   1.10,   7.76,  99.90,   7.57,  -1.29,  (max)
05/11 07Z,   1.10,   7.24,  99.90,   7.05,  -1.29,
05/11 08Z,   1.00,   6.29,  99.90,   6.00,  -1.29,
05/11 09Z,   1.00,   5.16,  99.90,   4.87,  -1.29,
05/11 10Z,   0.90,   4.19,  99.90,   3.80,  -1.29,
05/11 11Z,   0.90,   3.67,  99.90,   3.29,  -1.29,
05/11 12Z,   0.80,   3.71,  99.90,   3.22,  -1.29,  (min)
05/11 13Z,   0.70,   4.23,  99.90,   3.64,  -1.29,
05/11 14Z,   0.60,   5.10,  99.90,   4.42,  -1.29,
05/11 15Z,   0.60,   6.12,  99.90,   5.43,  -1.29,
05/11 16Z,   0.50,   6.98,  99.90,   6.19,  -1.29,
05/11 17Z,   0.50,   7.38,  99.90,   6.60,  -1.29,  (max)
05/11 18Z,   0.50,   7.19,  99.90,   6.40,  -1.29,
05/11 19Z,   0.50,   6.42,  99.90,   5.63,  -1.29,
05/11 20Z,   0.50,   5.21,  99.90,   4.42,  -1.29,
05/11 21Z,   0.50,   3.78,  99.90,   2.99,  -1.29,
05/11 22Z,   0.40,   2.48,  99.90,   1.60,  -1.29,
05/11 23Z,   0.50,   1.68,  99.90,   0.89,  -1.29,  (min)
05/12 00Z,   0.60,   1.59,  99.90,   0.91,  -1.29,
05/12 01Z,   0.50,   2.22,  99.90,   1.44,  -1.29,
05/12 02Z,   0.40,   3.45,  99.90,   2.56,  -1.29,
05/12 03Z,   0.40,   5.05,  99.90,   4.16,  -1.29,
05/12 04Z,   0.30,   6.70,  99.90,   5.71,  -1.29,
05/12 05Z,   0.30,   7.98,  99.90,   6.99,  -1.29,
05/12 06Z,   0.30,   8.59,  99.90,   7.60,  -1.29,  (max)
05/12 07Z,   0.30,   8.43,  99.90,   7.44,  -1.29,
05/12 08Z,   0.30,   7.56,  99.90,   6.57,  -1.29,
05/12 09Z,   0.40,   6.18,  99.90,   5.29,  -1.29,
05/12 10Z,   0.40,   4.60,  99.90,   3.71,  -1.29,
05/12 11Z,   0.50,   3.26,  99.90,   2.47,  -1.29,
05/12 12Z,   0.50,   2.51,  99.90,   1.72,  -1.29,
05/12 13Z,   0.50,   2.48,  99.90,   1.70,  -1.29,  (min)
05/12 14Z,   0.50,   3.14,  99.90,   2.36,  -1.29,
05/12 15Z,   0.60,   4.31,  99.90,   3.62,  -1.29,
05/12 16Z,   0.60,   5.70,  99.90,   5.02,  -1.29,
05/12 17Z,   0.60,   6.92,  99.90,   6.23,  -1.29,
05/12 18Z,   0.80,   7.59,  99.90,   7.10,  -1.29,  (max)
05/12 19Z,   0.70,   7.54,  99.90,   6.95,  -1.29,
05/12 20Z,   0.70,   6.78,  99.90,   6.20,  -1.29,
05/12 21Z,   0.80,   5.48,  99.90,   5.00,  -1.29,
05/12 22Z,   0.90,   3.92,  99.90,   3.54,  -1.29,
05/12 23Z,   0.90,   2.52,  99.90,   2.14,  -1.29,
05/13 00Z,   0.90,   1.71,  99.90,   1.32,  -1.29,  (min)
05/13 01Z,   0.90,   1.72,  99.90,   1.33,  -1.29,
05/13 02Z,   0.90,   2.57,  99.90,   2.18,  -1.29,
05/13 03Z,   0.90,   4.10,  99.90,   3.71,  -1.29,
05/13 04Z,   0.90,   6.01,  99.90,   5.62,  -1.29,
05/13 05Z,   0.90,   7.85,  99.90,   7.46,  -1.29,
05/13 06Z,   1.00,   9.15,  99.90,   8.86,  -1.29,
05/13 07Z,   1.00,   9.57,  99.90,   9.28,  -1.29,  (max)
05/13 08Z,   1.10,   9.03,  99.90,   8.84,  -1.29,
05/13 09Z,   1.20,   7.65,  99.90,   7.56,  -1.29,
05/13 10Z,   1.20,   5.70,  99.90,   5.62,  -1.29,
05/13 11Z,   1.20,   3.62,  99.90,   3.54,  -1.29,
05/13 12Z,   1.20,   1.94,  99.90,   1.85,  -1.29,
05/13 13Z,   1.20,   1.07,  99.90,   0.98,  -1.29,
05/13 14Z,   1.10,   1.15,  99.90,   0.97,  -1.29,  (min)
05/13 15Z,   1.00,   2.13,  99.90,   1.84,  -1.29,
05/13 16Z,   1.00,   3.74,  99.90,   3.45,  -1.29,
05/13 17Z,   1.00,   5.58,  99.90,   5.30,  -1.29,
05/13 18Z,   1.10,   7.16,  99.90,   6.97,  -1.29,
05/13 19Z,   0.90,   8.03,  99.90,   7.64,  -1.29,
05/13 20Z,   1.10,   8.02,  99.90,   7.83,  -1.29,  (max)
05/13 21Z,   1.10,   7.17,  99.90,   6.98,  -1.29,
05/13 22Z,   1.00,   5.70,  99.90,   5.41,  -1.29,
05/13 23Z,   1.00,   3.96,  99.90,   3.68,  -1.29,
05/14 00Z,   1.00,   2.48,  99.90,   2.19,  -1.29,
05/14 01Z,   1.10,   1.72,  99.90,   1.53,  -1.29,  (min)
05/14 02Z,   0.90,   1.95,  99.90,   1.56,  -1.29,
05/14 03Z,   0.90,   3.13,  99.90,   2.74,  -1.29,
05/14 04Z,   1.00,   5.03,  99.90,   4.74,  -1.29,
05/14 05Z,   1.00,   7.24,  99.90,   6.95,  -1.29,
05/14 06Z,   1.00,   9.20,  99.90,   8.91,  -1.29,