EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Surge List
West Coast
#Port Townsend, WA : 08/19/2026 23:22:18 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/18 06Z,   0.50,   5.74,   6.28,  99.90,   0.04,
08/18 07Z,   0.40,   4.02,   4.45,  99.90,   0.03,
08/18 08Z,   0.40,   2.45,   2.81,  99.90,  -0.04,
08/18 09Z,   0.50,   1.45,   1.85,  99.90,  -0.10,
08/18 10Z,   0.50,   1.18,   1.58,  99.90,  -0.10,  (min)
08/18 11Z,   0.50,   1.53,   1.86,  99.90,  -0.17,
08/18 12Z,   0.40,   2.24,   2.65,  99.90,   0.01,
08/18 13Z,   0.40,   3.18,   3.46,  99.90,  -0.12,
08/18 14Z,   0.40,   4.25,   4.53,  99.90,  -0.12,
08/18 15Z,   0.40,   5.23,   5.53,  99.90,  -0.10,
08/18 16Z,   0.40,   5.88,   6.17,  99.90,  -0.11,
08/18 17Z,   0.40,   6.10,   6.41,  99.90,  -0.09,  (max)
08/18 18Z,   0.30,   5.95,   6.28,  99.90,   0.03,
08/18 19Z,   0.30,   5.53,   5.87,  99.90,   0.04,
08/18 20Z,   0.30,   5.01,   5.28,  99.90,  -0.03,
08/18 21Z,   0.30,   4.65,   4.93,  99.90,  -0.02,  (min)
08/18 22Z,   0.30,   4.68,   4.99,  99.90,   0.01,
08/18 23Z,   0.30,   5.09,   5.42,  99.90,   0.03,
08/19 00Z,   0.30,   5.73,   6.09,  99.90,   0.06,
08/19 01Z,   0.40,   6.49,   6.85,  99.90,  -0.04,
08/19 02Z,   0.40,   7.27,   7.64,  99.90,  -0.03,
08/19 03Z,   0.30,   7.88,   8.24,  99.90,   0.06,
08/19 04Z,   0.30,   8.00,   8.39,  99.90,   0.09,  (max)
08/19 05Z,   0.40,   7.48,   7.98,  99.90,   0.10,
08/19 06Z,   0.50,   6.36,   6.93,  99.90,   0.07,
08/19 07Z,   0.40,   4.85,   5.34,  99.90,   0.09,
08/19 08Z,   0.40,   3.21,   3.57,  99.90,  -0.04,
08/19 09Z,   0.40,   1.81,   2.19,  99.90,  -0.02,
08/19 10Z,   0.40,   0.97,   1.38,  99.90,   0.01,
08/19 11Z,   0.40,   0.82,   1.19,  99.90,  -0.03,  (min)
08/19 12Z,   0.40,   1.21,   1.59,  99.90,  -0.02,
08/19 13Z,   0.40,   1.94,   2.31,  99.90,  -0.03,
08/19 14Z,   0.40,   2.91,   3.15,  99.90,  -0.16,
08/19 15Z,   0.40,   3.99,   4.31,  99.90,  -0.08,
08/19 16Z,   0.40,   5.00,   5.31,  99.90,  -0.09,
08/19 17Z,   0.40,   5.74,   6.05,  99.90,  -0.09,
08/19 18Z,   0.40,   6.17,   6.50,  99.90,  -0.07,
08/19 19Z,   0.30,   6.33,   6.68,  99.90,   0.05,  (max)
08/19 20Z,   0.30,   6.24,   6.52,  99.90,  -0.02,
08/19 21Z,   0.40,   5.99,   6.29,  99.90,  -0.10,
08/19 22Z,   0.40,   5.78,   6.10,  99.90,  -0.08,  (min)
08/19 23Z,   0.30,   5.81,   6.21,  99.90,   0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/20 00Z,   0.30,   6.07,  99.90,   6.46,   0.09,
08/20 01Z,   0.40,   6.48,  99.90,   6.96,   0.08,
08/20 02Z,   0.40,   6.97,  99.90,   7.43,   0.07,
08/20 03Z,   0.40,   7.45,  99.90,   7.90,   0.05,
08/20 04Z,   0.40,   7.72,  99.90,   8.16,   0.04,  (max)
08/20 05Z,   0.50,   7.54,  99.90,   8.06,   0.03,
08/20 06Z,   0.50,   6.80,  99.90,   7.31,   0.01,
08/20 07Z,   0.40,   5.61,  99.90,   6.01,   0.00,
08/20 08Z,   0.40,   4.16,  99.90,   4.55,  -0.01,
08/20 09Z,   0.40,   2.66,  99.90,   3.03,  -0.03,
08/20 10Z,   0.40,   1.41,  99.90,   1.77,  -0.04,
08/20 11Z,   0.40,   0.70,  99.90,   1.05,  -0.05,  (min)
08/20 12Z,   0.50,   0.62,  99.90,   1.07,  -0.05,
08/20 13Z,   0.50,   1.02,  99.90,   1.47,  -0.05,
08/20 14Z,   0.40,   1.75,  99.90,   2.10,  -0.05,
08/20 15Z,   0.40,   2.72,  99.90,   3.07,  -0.05,
08/20 16Z,   0.50,   3.82,  99.90,   4.27,  -0.05,
08/20 17Z,   0.50,   4.87,  99.90,   5.32,  -0.05,
08/20 18Z,   0.40,   5.74,  99.90,   6.09,  -0.05,
08/20 19Z,   0.30,   6.39,  99.90,   6.64,  -0.05,
08/20 20Z,   0.40,   6.82,  99.90,   7.16,  -0.05,
08/20 21Z,   0.40,   6.95,  99.90,   7.30,  -0.05,  (max)
08/20 22Z,   0.40,   6.83,  99.90,   7.18,  -0.05,
08/20 23Z,   0.40,   6.64,  99.90,   6.99,  -0.05,
08/21 00Z,   0.40,   6.56,  99.90,   6.91,  -0.05,  (min)
08/21 01Z,   0.40,   6.65,  99.90,   7.00,  -0.05,
08/21 02Z,   0.50,   6.84,  99.90,   7.29,  -0.05,
08/21 03Z,   0.50,   7.09,  99.90,   7.54,  -0.05,
08/21 04Z,   0.40,   7.34,  99.90,   7.69,  -0.05,
08/21 05Z,   0.40,   7.39,  99.90,   7.74,  -0.05,  (max)
08/21 06Z,   0.50,   7.03,  99.90,   7.48,  -0.05,
08/21 07Z,   0.50,   6.22,  99.90,   6.67,  -0.05,
08/21 08Z,   0.40,   5.08,  99.90,   5.42,  -0.05,
08/21 09Z,   0.40,   3.72,  99.90,   4.07,  -0.05,
08/21 10Z,   0.40,   2.34,  99.90,   2.69,  -0.05,
08/21 11Z,   0.50,   1.19,  99.90,   1.64,  -0.05,
08/21 12Z,   0.50,   0.55,  99.90,   1.00,  -0.05,
08/21 13Z,   0.40,   0.49,  99.90,   0.84,  -0.05,  (min)
08/21 14Z,   0.40,   0.89,  99.90,   1.24,  -0.05,
08/21 15Z,   0.50,   1.61,  99.90,   2.06,  -0.05,
08/21 16Z,   0.50,   2.59,  99.90,   3.04,  -0.05,
08/21 17Z,   0.50,   3.73,  99.90,   4.18,  -0.05,
08/21 18Z,   0.40,   4.87,  99.90,   5.21,  -0.05,
08/21 19Z,   0.40,   5.88,  99.90,   6.23,  -0.05,
08/21 20Z,   0.40,   6.73,  99.90,   7.08,  -0.05,
08/21 21Z,   0.40,   7.32,  99.90,   7.67,  -0.05,
08/21 22Z,   0.40,   7.55,  99.90,   7.89,  -0.05,  (max)
08/21 23Z,   0.40,   7.41,  99.90,   7.76,  -0.05,
08/22 00Z,   0.40,   7.13,  99.90,   7.48,  -0.05,
08/22 01Z,   0.50,   6.92,  99.90,   7.37,  -0.05,
08/22 02Z,   0.50,   6.84,  99.90,   7.29,  -0.05,  (min)
08/22 03Z,   0.50,   6.87,  99.90,   7.32,  -0.05,
08/22 04Z,   0.50,   6.99,  99.90,   7.43,  -0.05,
08/22 05Z,   0.50,   7.11,  99.90,   7.56,  -0.05,  (max)
08/22 06Z,   0.50,   7.06,  99.90,   7.50,  -0.05,
08/22 07Z,   0.50,   6.65,  99.90,   7.09,  -0.05,
08/22 08Z,   0.50,   5.86,  99.90,   6.31,  -0.05,
08/22 09Z,   0.50,   4.78,  99.90,   5.23,  -0.05,
08/22 10Z,   0.50,   3.50,  99.90,   3.95,  -0.05,
08/22 11Z,   0.50,   2.15,  99.90,   2.60,  -0.05,
08/22 12Z,   0.60,   1.02,  99.90,   1.57,  -0.05,
08/22 13Z,   0.60,   0.40,  99.90,   0.95,  -0.05,
08/22 14Z,   0.50,   0.35,  99.90,   0.80,  -0.05,  (min)
08/22 15Z,   0.50,   0.75,  99.90,   1.20,  -0.05,
08/22 16Z,   0.60,   1.50,  99.90,   2.05,  -0.05,
08/22 17Z,   0.60,   2.54,  99.90,   3.08,  -0.05,
08/22 18Z,   0.50,   3.76,  99.90,   4.21,  -0.05,
08/22 19Z,   0.50,   5.01,  99.90,   5.46,  -0.05,
08/22 20Z,   0.50,   6.16,  99.90,   6.61,  -0.05,
08/22 21Z,   0.60,   7.13,  99.90,   7.68,  -0.05,
08/22 22Z,   0.50,   7.77,  99.90,   8.21,  -0.05,
08/22 23Z,   0.50,   7.92,  99.90,   8.37,  -0.05,  (max)
08/23 00Z,   0.50,   7.66,  99.90,   8.11,  -0.05,
08/23 01Z,   0.50,   7.25,  99.90,   7.70,  -0.05,
08/23 02Z,   0.50,   6.92,  99.90,   7.37,  -0.05,
08/23 03Z,   0.50,   6.75,  99.90,   7.20,  -0.05,
08/23 04Z,   0.50,   6.71,  99.90,   7.16,  -0.05,  (min)
08/23 05Z,   0.50,   6.79,  99.90,   7.24,  -0.05,
08/23 06Z,   0.50,   6.90,  99.90,   7.35,  -0.05,  (max)
08/23 07Z,   0.50,   6.85,  99.90,   7.29,  -0.05,
08/23 08Z,   0.50,   6.46,  99.90,   6.91,  -0.05,
08/23 09Z,   0.50,   5.71,  99.90,   6.16,  -0.05,
08/23 10Z,   0.40,   4.66,  99.90,   5.01,  -0.05,
08/23 11Z,   0.40,   3.34,  99.90,   3.69,  -0.05,
08/23 12Z,   0.50,   1.95,  99.90,   2.40,  -0.05,
08/23 13Z,   0.50,   0.80,  99.90,   1.25,  -0.05,
08/23 14Z,   0.40,   0.19,  99.90,   0.54,  -0.05,
08/23 15Z,   0.40,   0.17,  99.90,   0.52,  -0.05,  (min)
08/23 16Z,   0.50,   0.62,  99.90,   1.07,  -0.05,
08/23 17Z,   0.40,   1.45,  99.90,   1.80,  -0.05,
08/23 18Z,   0.40,   2.60,  99.90,   2.95,  -0.05,