EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 05/20/2026 10:20:24 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 18Z,  -0.50,  -9.76,  -9.96,  99.90,   0.30,  (min)
05/18 19Z,  -0.50,  -5.87,  -6.21,  99.90,   0.16,
05/18 20Z,  -0.50,  -1.28,  -1.71,  99.90,   0.07,
05/18 21Z,  -0.40,   2.96,   2.52,  99.90,  -0.04,
05/18 22Z,  -0.30,   5.93,   5.50,  99.90,  -0.13,
05/18 23Z,  -0.30,   7.03,   6.58,  99.90,  -0.15,  (max)
05/19 00Z,  -0.40,   6.08,   5.66,  99.90,  -0.02,
05/19 01Z,  -0.40,   3.43,   3.02,  99.90,  -0.01,
05/19 02Z,  -0.40,  -0.07,  -0.51,  99.90,  -0.04,
05/19 03Z,  -0.40,  -3.30,  -3.79,  99.90,  -0.09,
05/19 04Z,  -0.30,  -5.25,  -5.65,  99.90,  -0.10,  (min)
05/19 05Z,  -0.30,  -5.31,  -5.63,  99.90,  -0.02,
05/19 06Z,  -0.40,  -3.44,  -3.70,  99.90,   0.14,
05/19 07Z,  -0.40,  -0.16,  -0.42,  99.90,   0.14,
05/19 08Z,  -0.40,   3.69,   3.35,  99.90,   0.06,
05/19 09Z,  -0.40,   7.19,   6.74,  99.90,  -0.05,
05/19 10Z,  -0.40,   9.47,   8.84,  99.90,  -0.23,
05/19 11Z,  -0.40,   9.89,   9.15,  99.90,  -0.34,  (max)
05/19 12Z,  -0.50,   8.17,   7.37,  99.90,  -0.30,
05/19 13Z,  -0.50,   4.51,   3.71,  99.90,  -0.30,
05/19 14Z,  -0.60,  -0.41,  -1.08,  99.90,  -0.07,
05/19 15Z,  -0.60,  -5.46,  -5.94,  99.90,   0.12,
05/19 16Z,  -0.50,  -9.48,  -9.79,  99.90,   0.19,
05/19 17Z,  -0.50, -11.54, -11.87,  99.90,   0.17,  (min)
05/19 18Z,  -0.60, -11.26, -11.70,  99.90,   0.16,
05/19 19Z,  -0.60,  -8.85,  -9.47,  99.90,  -0.02,
05/19 20Z,  -0.60,  -5.00,  -5.69,  99.90,  -0.09,
05/19 21Z,  -0.60,  -0.64,  -1.31,  99.90,  -0.07,
05/19 22Z,  -0.50,   3.24,   2.58,  99.90,  -0.16,
05/19 23Z,  -0.50,   5.83,   5.17,  99.90,  -0.16,
05/20 00Z,  -0.50,   6.58,   5.86,  99.90,  -0.22,  (max)
05/20 01Z,  -0.60,   5.43,   4.69,  99.90,  -0.14,
05/20 02Z,  -0.60,   2.78,   2.08,  99.90,  -0.10,
05/20 03Z,  -0.60,  -0.48,  -1.13,  99.90,  -0.05,
05/20 04Z,  -0.60,  -3.33,  -3.95,  99.90,  -0.02,
05/20 05Z,  -0.60,  -4.87,  -5.47,  99.90,   0.00,  (min)
05/20 06Z,  -0.60,  -4.65,  -5.18,  99.90,   0.07,
05/20 07Z,  -0.50,  -2.73,  -3.23,  99.90,   0.00,
05/20 08Z,  -0.50,   0.37,  -0.15,  99.90,  -0.02,
05/20 09Z,  -0.50,   3.87,   3.27,  99.90,  -0.10,
05/20 10Z,  -0.60,   6.94,   6.25,  99.90,  -0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 11Z,  -0.60,   8.80,  99.90,   8.12,  -0.07,
05/20 12Z,  -0.60,   8.89,  99.90,   8.23,  -0.06,  (max)
05/20 13Z,  -0.60,   7.02,  99.90,   6.37,  -0.05,
05/20 14Z,  -0.60,   3.43,  99.90,   2.79,  -0.04,
05/20 15Z,  -0.60,  -1.15,  99.90,  -1.78,  -0.03,
05/20 16Z,  -0.60,  -5.69,  99.90,  -6.30,  -0.01,
05/20 17Z,  -0.60,  -9.13,  99.90,  -9.74,  -0.00,
05/20 18Z,  -0.50, -10.72,  99.90, -11.21,   0.01,  (min)
05/20 19Z,  -0.50, -10.20,  99.90, -10.68,   0.02,
05/20 20Z,  -0.40,  -7.81,  99.90,  -8.17,   0.03,
05/20 21Z,  -0.40,  -4.19,  99.90,  -4.54,   0.05,
05/20 22Z,  -0.40,  -0.21,  99.90,  -0.55,   0.06,
05/20 23Z,  -0.40,   3.26,  99.90,   2.92,   0.06,
05/21 00Z,  -0.40,   5.48,  99.90,   5.14,   0.06,
05/21 01Z,  -0.40,   5.99,  99.90,   5.65,   0.06,  (max)
05/21 02Z,  -0.40,   4.79,  99.90,   4.45,   0.06,
05/21 03Z,  -0.40,   2.33,  99.90,   1.99,   0.06,
05/21 04Z,  -0.40,  -0.59,  99.90,  -0.94,   0.06,
05/21 05Z,  -0.50,  -3.06,  99.90,  -3.50,   0.06,
05/21 06Z,  -0.50,  -4.33,  99.90,  -4.77,   0.06,  (min)
05/21 07Z,  -0.60,  -4.05,  99.90,  -4.59,   0.06,
05/21 08Z,  -0.60,  -2.32,  99.90,  -2.86,   0.06,
05/21 09Z,  -0.60,   0.41,  99.90,  -0.13,   0.06,
05/21 10Z,  -0.50,   3.46,  99.90,   3.02,   0.06,
05/21 11Z,  -0.50,   6.09,  99.90,   5.65,   0.06,
05/21 12Z,  -0.50,   7.63,  99.90,   7.18,   0.06,
05/21 13Z,  -0.40,   7.57,  99.90,   7.23,   0.06,  (max)
05/21 14Z,  -0.40,   5.79,  99.90,   5.45,   0.06,
05/21 15Z,  -0.40,   2.54,  99.90,   2.20,   0.06,
05/21 16Z,  -0.50,  -1.50,  99.90,  -1.95,   0.06,
05/21 17Z,  -0.60,  -5.43,  99.90,  -5.97,   0.06,
05/21 18Z,  -0.60,  -8.33,  99.90,  -8.87,   0.06,
05/21 19Z,  -0.70,  -9.59,  99.90, -10.23,   0.06,  (min)
05/21 20Z,  -0.70,  -9.00,  99.90,  -9.64,   0.06,
05/21 21Z,  -0.70,  -6.79,  99.90,  -7.43,   0.06,
05/21 22Z,  -0.70,  -3.52,  99.90,  -4.16,   0.06,
05/21 23Z,  -0.70,   0.05,  99.90,  -0.59,   0.06,
05/22 00Z,  -0.60,   3.13,  99.90,   2.59,   0.06,
05/22 01Z,  -0.50,   5.06,  99.90,   4.62,   0.06,
05/22 02Z,  -0.50,   5.48,  99.90,   5.04,   0.06,  (max)
05/22 03Z,  -0.50,   4.38,  99.90,   3.94,   0.06,
05/22 04Z,  -0.60,   2.19,  99.90,   1.65,   0.06,
05/22 05Z,  -0.70,  -0.40,  99.90,  -1.04,   0.06,
05/22 06Z,  -0.70,  -2.60,  99.90,  -3.24,   0.06,
05/22 07Z,  -0.80,  -3.80,  99.90,  -4.54,   0.06,  (min)
05/22 08Z,  -0.80,  -3.68,  99.90,  -4.43,   0.06,
05/22 09Z,  -0.80,  -2.31,  99.90,  -3.06,   0.06,
05/22 10Z,  -0.80,  -0.05,  99.90,  -0.79,   0.06,
05/22 11Z,  -0.70,   2.54,  99.90,   1.90,   0.06,
05/22 12Z,  -0.70,   4.82,  99.90,   4.18,   0.06,
05/22 13Z,  -0.60,   6.18,  99.90,   5.63,   0.06,
05/22 14Z,  -0.60,   6.18,  99.90,   5.64,   0.06,  (max)
05/22 15Z,  -0.60,   4.70,  99.90,   4.16,   0.06,
05/22 16Z,  -0.60,   1.96,  99.90,   1.42,   0.06,
05/22 17Z,  -0.60,  -1.47,  99.90,  -2.01,   0.06,
05/22 18Z,  -0.60,  -4.81,  99.90,  -5.35,   0.06,
05/22 19Z,  -0.70,  -7.30,  99.90,  -7.94,   0.06,
05/22 20Z,  -0.70,  -8.38,  99.90,  -9.02,   0.06,  (min)
05/22 21Z,  -0.60,  -7.86,  99.90,  -8.40,   0.06,
05/22 22Z,  -0.60,  -5.90,  99.90,  -6.44,   0.06,
05/22 23Z,  -0.50,  -2.99,  99.90,  -3.43,   0.06,
05/23 00Z,  -0.40,   0.22,  99.90,  -0.13,   0.06,
05/23 01Z,  -0.40,   3.01,  99.90,   2.66,   0.06,
05/23 02Z,  -0.30,   4.79,  99.90,   4.55,   0.06,
05/23 03Z,  -0.40,   5.22,  99.90,   4.88,   0.06,  (max)
05/23 04Z,  -0.40,   4.30,  99.90,   3.95,   0.06,
05/23 05Z,  -0.50,   2.35,  99.90,   1.91,   0.06,
05/23 06Z,  -0.50,  -0.02,  99.90,  -0.46,   0.06,
05/23 07Z,  -0.60,  -2.16,  99.90,  -2.70,   0.06,
05/23 08Z,  -0.50,  -3.49,  99.90,  -3.93,   0.06,
05/23 09Z,  -0.50,  -3.70,  99.90,  -4.15,   0.06,  (min)
05/23 10Z,  -0.40,  -2.77,  99.90,  -3.11,   0.06,
05/23 11Z,  -0.30,  -0.96,  99.90,  -1.20,   0.06,
05/23 12Z,  -0.20,   1.28,  99.90,   1.13,   0.06,
05/23 13Z,  -0.20,   3.35,  99.90,   3.21,   0.06,
05/23 14Z,  -0.10,   4.72,  99.90,   4.68,   0.06,
05/23 15Z,  -0.20,   4.97,  99.90,   4.82,   0.06,  (max)
05/23 16Z,  -0.20,   3.92,  99.90,   3.78,   0.06,
05/23 17Z,  -0.20,   1.73,  99.90,   1.59,   0.06,
05/23 18Z,  -0.30,  -1.14,  99.90,  -1.38,   0.06,
05/23 19Z,  -0.30,  -4.03,  99.90,  -4.27,   0.06,
05/23 20Z,  -0.20,  -6.25,  99.90,  -6.39,   0.06,
05/23 21Z,  -0.20,  -7.28,  99.90,  -7.42,   0.06,  (min)
05/23 22Z,  -0.10,  -6.88,  99.90,  -6.92,   0.06,
05/23 23Z,   0.00,  -5.15,  99.90,  -5.10,   0.06,
05/24 00Z,   0.00,  -2.51,  99.90,  -2.46,   0.06,
05/24 01Z,  99.90,   0.45,  99.90,  99.90,   0.06,
05/24 02Z,  99.90,   3.07,  99.90,  99.90,   0.06,
05/24 03Z,  99.90,   4.81,  99.90,  99.90,   0.06,
05/24 04Z,  99.90,   5.30,  99.90,  99.90,   0.06,
05/24 05Z,  99.90,   4.50,  99.90,  99.90,   0.06,
05/24 06Z,  99.90,   2.67,  99.90,  99.90,   0.06,