EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 08/19/2026 23:22:18 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/18 06Z,  -0.50,   1.61,   1.51,  99.90,   0.40,
08/18 07Z,  -0.50,   0.90,   0.92,  99.90,   0.52,  (min)
08/18 08Z,  -0.50,   1.79,   1.94,  99.90,   0.65,
08/18 09Z,  -0.50,   3.98,   4.10,  99.90,   0.62,
08/18 10Z,  -0.50,   6.85,   6.84,  99.90,   0.49,
08/18 11Z,  -0.50,   9.69,   9.46,  99.90,   0.27,
08/18 12Z,  -0.50,  11.81,  11.49,  99.90,   0.18,
08/18 13Z,  -0.50,  12.68,  12.34,  99.90,   0.16,  (max)
08/18 14Z,  -0.40,  12.09,  11.84,  99.90,   0.15,
08/18 15Z,  -0.40,  10.24,  10.03,  99.90,   0.19,
08/18 16Z,  -0.40,   7.63,   7.55,  99.90,   0.32,
08/18 17Z,  -0.40,   5.02,   4.87,  99.90,   0.25,
08/18 18Z,  -0.40,   3.16,   2.93,  99.90,   0.17,
08/18 19Z,  -0.50,   2.58,   2.34,  99.90,   0.26,  (min)
08/18 20Z,  -0.50,   3.46,   3.29,  99.90,   0.33,
08/18 21Z,  -0.50,   5.58,   5.50,  99.90,   0.42,
08/18 22Z,  -0.50,   8.42,   8.33,  99.90,   0.41,
08/18 23Z,  -0.40,  11.29,  11.17,  99.90,   0.28,
08/19 00Z,  -0.40,  13.50,  13.34,  99.90,   0.24,
08/19 01Z,  -0.40,  14.51,  14.26,  99.90,   0.15,  (max)
08/19 02Z,  -0.40,  14.06,  13.81,  99.90,   0.15,
08/19 03Z,  -0.40,  12.25,  11.95,  99.90,   0.10,
08/19 04Z,  -0.40,   9.50,   9.21,  99.90,   0.11,
08/19 05Z,  -0.50,   6.47,   6.21,  99.90,   0.24,
08/19 06Z,  -0.40,   3.87,   3.69,  99.90,   0.22,
08/19 07Z,  -0.50,   2.24,   2.22,  99.90,   0.48,
08/19 08Z,  -0.50,   1.90,   1.94,  99.90,   0.54,  (min)
08/19 09Z,  -0.50,   2.81,   2.79,  99.90,   0.48,
08/19 10Z,  -0.60,   4.67,   4.48,  99.90,   0.41,
08/19 11Z,  -0.50,   6.98,   6.61,  99.90,   0.13,
08/19 12Z,  -0.50,   9.15,   8.63,  99.90,  -0.02,
08/19 13Z,  -0.50,  10.67,  10.17,  99.90,   0.00,
08/19 14Z,  -0.50,  11.18,  10.81,  99.90,   0.13,  (max)
08/19 15Z,  -0.50,  10.62,  10.32,  99.90,   0.20,
08/19 16Z,  -0.60,   9.17,   8.97,  99.90,   0.40,
08/19 17Z,  -0.50,   7.29,   7.06,  99.90,   0.27,
08/19 18Z,  -0.50,   5.55,   5.30,  99.90,   0.25,
08/19 19Z,  -0.50,   4.47,   4.14,  99.90,   0.17,
08/19 20Z,  -0.50,   4.40,   4.09,  99.90,   0.19,  (min)
08/19 21Z,  -0.50,   5.40,   5.15,  99.90,   0.25,
08/19 22Z,  -0.50,   7.24,   7.05,  99.90,   0.31,
08/19 23Z,  -0.50,   9.49,   9.32,  99.90,   0.33,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/20 00Z,  -0.40,  11.61,  99.90,  11.53,   0.32,
08/20 01Z,  -0.40,  13.07,  99.90,  12.98,   0.31,
08/20 02Z,  -0.40,  13.52,  99.90,  13.42,   0.30,  (max)
08/20 03Z,  -0.40,  12.82,  99.90,  12.71,   0.29,
08/20 04Z,  -0.40,  11.13,  99.90,  11.01,   0.28,
08/20 05Z,  -0.40,   8.82,  99.90,   8.69,   0.27,
08/20 06Z,  -0.40,   6.38,  99.90,   6.25,   0.26,
08/20 07Z,  -0.50,   4.34,  99.90,   4.09,   0.25,
08/20 08Z,  -0.50,   3.08,  99.90,   2.83,   0.24,
08/20 09Z,  -0.50,   2.81,  99.90,   2.55,   0.24,  (min)
08/20 10Z,  -0.50,   3.49,  99.90,   3.22,   0.23,
08/20 11Z,  -0.50,   4.89,  99.90,   4.61,   0.22,
08/20 12Z,  -0.50,   6.64,  99.90,   6.35,   0.22,
08/20 13Z,  -0.50,   8.30,  99.90,   8.02,   0.22,
08/20 14Z,  -0.40,   9.49,  99.90,   9.31,   0.22,
08/20 15Z,  -0.40,   9.98,  99.90,   9.80,   0.22,  (max)
08/20 16Z,  -0.40,   9.70,  99.90,   9.52,   0.22,
08/20 17Z,  -0.40,   8.80,  99.90,   8.62,   0.22,
08/20 18Z,  -0.50,   7.60,  99.90,   7.32,   0.22,
08/20 19Z,  -0.50,   6.50,  99.90,   6.22,   0.22,
08/20 20Z,  -0.50,   5.85,  99.90,   5.57,   0.22,  (min)
08/20 21Z,  -0.50,   5.91,  99.90,   5.63,   0.22,
08/20 22Z,  -0.50,   6.71,  99.90,   6.43,   0.22,
08/20 23Z,  -0.40,   8.11,  99.90,   7.92,   0.22,
08/21 00Z,  -0.40,   9.77,  99.90,   9.59,   0.22,
08/21 01Z,  -0.30,  11.30,  99.90,  11.22,   0.22,
08/21 02Z,  -0.30,  12.33,  99.90,  12.25,   0.22,
08/21 03Z,  -0.30,  12.58,  99.90,  12.50,   0.22,  (max)
08/21 04Z,  -0.30,  11.98,  99.90,  11.90,   0.22,
08/21 05Z,  -0.30,  10.62,  99.90,  10.53,   0.22,
08/21 06Z,  -0.40,   8.76,  99.90,   8.57,   0.22,
08/21 07Z,  -0.40,   6.76,  99.90,   6.57,   0.22,
08/21 08Z,  -0.40,   4.99,  99.90,   4.81,   0.22,
08/21 09Z,  -0.50,   3.79,  99.90,   3.50,   0.22,
08/21 10Z,  -0.40,   3.32,  99.90,   3.14,   0.22,  (min)
08/21 11Z,  -0.40,   3.64,  99.90,   3.45,   0.22,
08/21 12Z,  -0.40,   4.60,  99.90,   4.42,   0.22,
08/21 13Z,  -0.30,   5.96,  99.90,   5.88,   0.22,
08/21 14Z,  -0.30,   7.40,  99.90,   7.32,   0.22,
08/21 15Z,  -0.30,   8.60,  99.90,   8.52,   0.22,
08/21 16Z,  -0.40,   9.33,  99.90,   9.15,   0.22,
08/21 17Z,  -0.40,   9.48,  99.90,   9.29,   0.22,  (max)
08/21 18Z,  -0.40,   9.08,  99.90,   8.90,   0.22,
08/21 19Z,  -0.40,   8.34,  99.90,   8.16,   0.22,
08/21 20Z,  -0.40,   7.52,  99.90,   7.33,   0.22,
08/21 21Z,  -0.30,   6.92,  99.90,   6.84,   0.22,
08/21 22Z,  -0.30,   6.79,  99.90,   6.71,   0.22,  (min)
08/21 23Z,  -0.30,   7.23,  99.90,   7.15,   0.22,
08/22 00Z,  -0.20,   8.18,  99.90,   8.20,   0.22,
08/22 01Z,  -0.20,   9.45,  99.90,   9.47,   0.22,
08/22 02Z,  -0.10,  10.72,  99.90,  10.83,   0.22,
08/22 03Z,  -0.20,  11.67,  99.90,  11.69,   0.22,
08/22 04Z,  -0.20,  12.06,  99.90,  12.08,   0.22,  (max)
08/22 05Z,  -0.30,  11.74,  99.90,  11.65,   0.22,
08/22 06Z,  -0.30,  10.71,  99.90,  10.63,   0.22,
08/22 07Z,  -0.30,   9.14,  99.90,   9.06,   0.22,
08/22 08Z,  -0.40,   7.28,  99.90,   7.10,   0.22,
08/22 09Z,  -0.40,   5.47,  99.90,   5.29,   0.22,
08/22 10Z,  -0.30,   4.04,  99.90,   3.95,   0.22,
08/22 11Z,  -0.30,   3.24,  99.90,   3.16,   0.22,  (min)
08/22 12Z,  -0.20,   3.22,  99.90,   3.23,   0.22,
08/22 13Z,  -0.10,   3.94,  99.90,   4.05,   0.22,
08/22 14Z,  -0.10,   5.22,  99.90,   5.34,   0.22,
08/22 15Z,  -0.10,   6.77,  99.90,   6.89,   0.22,
08/22 16Z,  -0.20,   8.26,  99.90,   8.28,   0.22,
08/22 17Z,  -0.20,   9.37,  99.90,   9.39,   0.22,
08/22 18Z,  -0.30,   9.90,  99.90,   9.82,   0.22,  (max)
08/22 19Z,  -0.30,   9.79,  99.90,   9.71,   0.22,
08/22 20Z,  -0.40,   9.16,  99.90,   8.98,   0.22,
08/22 21Z,  -0.40,   8.24,  99.90,   8.06,   0.22,
08/22 22Z,  -0.30,   7.38,  99.90,   7.30,   0.22,
08/22 23Z,  -0.20,   6.89,  99.90,   6.91,   0.22,  (min)
08/23 00Z,  -0.10,   6.98,  99.90,   7.10,   0.22,
08/23 01Z,  -0.10,   7.69,  99.90,   7.81,   0.22,
08/23 02Z,   0.00,   8.87,  99.90,   9.09,   0.22,
08/23 03Z,   0.00,  10.24,  99.90,  10.45,   0.22,
08/23 04Z,   0.00,  11.43,  99.90,  11.65,   0.22,
08/23 05Z,  -0.10,  12.13,  99.90,  12.25,   0.22,  (max)
08/23 06Z,  -0.20,  12.09,  99.90,  12.11,   0.22,
08/23 07Z,  -0.20,  11.23,  99.90,  11.25,   0.22,
08/23 08Z,  -0.30,   9.65,  99.90,   9.57,   0.22,
08/23 09Z,  -0.30,   7.60,  99.90,   7.51,   0.22,
08/23 10Z,  -0.30,   5.46,  99.90,   5.37,   0.22,
08/23 11Z,  -0.20,   3.65,  99.90,   3.67,   0.22,
08/23 12Z,  -0.10,   2.56,  99.90,   2.68,   0.22,
08/23 13Z,  -0.10,   2.40,  99.90,   2.52,   0.22,  (min)
08/23 14Z,   0.00,   3.19,  99.90,   3.41,   0.22,
08/23 15Z,   0.00,   4.74,  99.90,   4.96,   0.22,
08/23 16Z,   0.00,   6.69,  99.90,   6.91,   0.22,
08/23 17Z,   0.00,   8.60,  99.90,   8.82,   0.22,
08/23 18Z,  -0.10,  10.06,  99.90,  10.18,   0.22,