EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Gulf of Alaska
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Crescent City, CA
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Surge List
West Coast
#Port Townsend, WA : 05/20/2026 22:21:21 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 06Z,   0.00,   7.60,   7.41,  99.90,  -0.19,
05/19 07Z,   0.00,   7.22,   7.05,  99.90,  -0.17,  (min)
05/19 08Z,   0.00,   7.32,   7.13,  99.90,  -0.19,
05/19 09Z,   0.00,   7.70,   7.51,  99.90,  -0.19,
05/19 10Z,   0.00,   8.09,   7.93,  99.90,  -0.16,
05/19 11Z,   0.00,   8.39,   8.36,  99.90,  -0.03,
05/19 12Z,   0.00,   8.51,   8.53,  99.90,   0.02,  (max)
05/19 13Z,   0.00,   8.20,   8.27,  99.90,   0.07,
05/19 14Z,   0.00,   7.17,   7.27,  99.90,   0.10,
05/19 15Z,   0.00,   5.31,   5.24,  99.90,  -0.07,
05/19 16Z,   0.00,   2.83,   2.60,  99.90,  -0.23,
05/19 17Z,   0.00,   0.18,  -0.11,  99.90,  -0.29,
05/19 18Z,   0.00,  -2.03,  -2.17,  99.90,  -0.14,
05/19 19Z,   0.00,  -3.25,  99.90,  99.90,  99.90,
05/19 20Z,   0.00,  -3.24,  -3.33,  99.90,  -0.09,  (min)
05/19 21Z,   0.00,  -2.19,  -2.27,  99.90,  -0.08,
05/19 22Z,   0.00,  -0.52,  -0.78,  99.90,  -0.26,
05/19 23Z,   0.00,   1.47,   1.01,  99.90,  -0.46,
05/20 00Z,   0.00,   3.67,   3.34,  99.90,  -0.33,
05/20 01Z,   0.00,   5.87,   5.66,  99.90,  -0.21,
05/20 02Z,   0.00,   7.73,   7.33,  99.90,  -0.40,
05/20 03Z,   0.00,   8.91,   8.35,  99.90,  -0.56,
05/20 04Z,   0.00,   9.30,   8.73,  99.90,  -0.57,  (max)
05/20 05Z,   0.00,   9.00,   8.72,  99.90,  -0.28,
05/20 06Z,   0.00,   8.28,   8.13,  99.90,  -0.15,
05/20 07Z,   0.00,   7.55,   7.38,  99.90,  -0.17,
05/20 08Z,   0.00,   7.17,   6.96,  99.90,  -0.21,  (min)
05/20 09Z,   0.00,   7.21,   7.02,  99.90,  -0.19,
05/20 10Z,   0.00,   7.46,   7.26,  99.90,  -0.20,
05/20 11Z,   0.00,   7.72,   7.57,  99.90,  -0.15,
05/20 12Z,   0.00,   7.93,   7.88,  99.90,  -0.05,
05/20 13Z,   0.00,   8.00,   8.01,  99.90,   0.01,  (max)
05/20 14Z,   0.00,   7.66,   7.67,  99.90,   0.01,
05/20 15Z,   0.00,   6.62,   6.56,  99.90,  -0.06,
05/20 16Z,   0.00,   4.82,   4.69,  99.90,  -0.13,
05/20 17Z,   0.00,   2.52,   2.26,  99.90,  -0.26,
05/20 18Z,   0.00,   0.15,  -0.14,  99.90,  -0.29,
05/20 19Z,   0.00,  -1.75,  -2.00,  99.90,  -0.25,
05/20 20Z,   0.00,  -2.71,  -2.99,  99.90,  -0.28,  (min)
05/20 21Z,   0.00,  -2.56,  -2.88,  99.90,  -0.32,
05/20 22Z,   0.00,  -1.53,  -1.78,  99.90,  -0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 23Z,   0.00,   0.04,  99.90,  -0.21,  -0.25,
05/21 00Z,   0.00,   1.92,  99.90,   1.68,  -0.25,
05/21 01Z,   0.00,   4.02,  99.90,   3.78,  -0.24,
05/21 02Z,   0.00,   6.12,  99.90,   5.87,  -0.24,
05/21 03Z,   0.00,   7.83,  99.90,   7.59,  -0.24,
05/21 04Z,   0.00,   8.88,  99.90,   8.64,  -0.24,
05/21 05Z,   0.00,   9.17,  99.90,   8.94,  -0.24,  (max)
05/21 06Z,   0.00,   8.82,  99.90,   8.59,  -0.23,
05/21 07Z,   0.00,   8.08,  99.90,   7.85,  -0.23,
05/21 08Z,   0.10,   7.32,  99.90,   7.19,  -0.23,
05/21 09Z,   0.10,   6.87,  99.90,   6.75,  -0.23,
05/21 10Z,   0.00,   6.78,  99.90,   6.56,  -0.22,  (min)
05/21 11Z,   0.00,   6.88,  99.90,   6.66,  -0.22,
05/21 12Z,   0.10,   7.04,  99.90,   6.91,  -0.22,
05/21 13Z,   0.10,   7.21,  99.90,   7.09,  -0.22,
05/21 14Z,   0.10,   7.29,  99.90,   7.17,  -0.22,  (max)
05/21 15Z,   0.00,   6.99,  99.90,   6.76,  -0.22,
05/21 16Z,   0.10,   6.05,  99.90,   5.93,  -0.22,
05/21 17Z,   0.10,   4.48,  99.90,   4.35,  -0.22,
05/21 18Z,   0.00,   2.50,  99.90,   2.27,  -0.22,
05/21 19Z,   0.00,   0.49,  99.90,   0.27,  -0.22,
05/21 20Z,   0.00,  -1.08,  99.90,  -1.31,  -0.22,
05/21 21Z,   0.10,  -1.83,  99.90,  -1.95,  -0.22,  (min)
05/21 22Z,   0.10,  -1.62,  99.90,  -1.75,  -0.22,
05/21 23Z,   0.10,  -0.67,  99.90,  -0.80,  -0.22,
05/22 00Z,   0.10,   0.75,  99.90,   0.63,  -0.22,
05/22 01Z,   0.10,   2.50,  99.90,   2.37,  -0.22,
05/22 02Z,   0.10,   4.46,  99.90,   4.34,  -0.22,
05/22 03Z,   0.20,   6.39,  99.90,   6.37,  -0.22,
05/22 04Z,   0.20,   7.93,  99.90,   7.91,  -0.22,
05/22 05Z,   0.20,   8.82,  99.90,   8.80,  -0.22,
05/22 06Z,   0.20,   9.01,  99.90,   8.98,  -0.22,  (max)
05/22 07Z,   0.30,   8.57,  99.90,   8.65,  -0.22,
05/22 08Z,   0.30,   7.75,  99.90,   7.82,  -0.22,
05/22 09Z,   0.20,   6.89,  99.90,   6.87,  -0.22,
05/22 10Z,   0.20,   6.30,  99.90,   6.28,  -0.22,
05/22 11Z,   0.20,   6.05,  99.90,   6.02,  -0.22,  (min)
05/22 12Z,   0.30,   6.00,  99.90,   6.08,  -0.22,  (max)
05/22 13Z,   0.20,   6.09,  99.90,   6.07,  -0.22,  (min)
05/22 14Z,   0.20,   6.28,  99.90,   6.25,  -0.22,
05/22 15Z,   0.20,   6.42,  99.90,   6.40,  -0.22,  (max)
05/22 16Z,   0.30,   6.25,  99.90,   6.32,  -0.22,
05/22 17Z,   0.20,   5.53,  99.90,   5.51,  -0.22,
05/22 18Z,   0.20,   4.30,  99.90,   4.28,  -0.22,
05/22 19Z,   0.20,   2.74,  99.90,   2.71,  -0.22,
05/22 20Z,   0.20,   1.13,  99.90,   1.11,  -0.22,
05/22 21Z,   0.20,  -0.13,  99.90,  -0.15,  -0.22,
05/22 22Z,   0.20,  -0.71,  99.90,  -0.73,  -0.22,  (min)
05/22 23Z,   0.30,  -0.50,  99.90,  -0.42,  -0.22,
05/23 00Z,   0.20,   0.35,  99.90,   0.32,  -0.22,
05/23 01Z,   0.20,   1.62,  99.90,   1.59,  -0.22,
05/23 02Z,   0.30,   3.21,  99.90,   3.29,  -0.22,
05/23 03Z,   0.30,   5.01,  99.90,   5.09,  -0.22,
05/23 04Z,   0.30,   6.75,  99.90,   6.82,  -0.22,
05/23 05Z,   0.30,   8.07,  99.90,   8.15,  -0.22,
05/23 06Z,   0.30,   8.78,  99.90,   8.86,  -0.22,
05/23 07Z,   0.30,   8.82,  99.90,   8.89,  -0.22,  (max)
05/23 08Z,   0.30,   8.24,  99.90,   8.32,  -0.22,
05/23 09Z,   0.30,   7.26,  99.90,   7.33,  -0.22,
05/23 10Z,   0.30,   6.22,  99.90,   6.30,  -0.22,
05/23 11Z,   0.30,   5.46,  99.90,   5.53,  -0.22,
05/23 12Z,   0.30,   5.04,  99.90,   5.11,  -0.22,
05/23 13Z,   0.30,   4.89,  99.90,   4.96,  -0.22,  (min)
05/23 14Z,   0.30,   4.96,  99.90,   5.04,  -0.22,
05/23 15Z,   0.30,   5.22,  99.90,   5.29,  -0.22,
05/23 16Z,   0.30,   5.49,  99.90,   5.57,  -0.22,
05/23 17Z,   0.30,   5.53,  99.90,   5.60,  -0.22,  (max)
05/23 18Z,   0.30,   5.14,  99.90,   5.21,  -0.22,
05/23 19Z,   0.20,   4.33,  99.90,   4.31,  -0.22,
05/23 20Z,   0.20,   3.22,  99.90,   3.20,  -0.22,
05/23 21Z,   0.20,   2.02,  99.90,   2.00,  -0.22,
05/23 22Z,   0.20,   1.02,  99.90,   1.00,  -0.22,
05/23 23Z,   0.20,   0.57,  99.90,   0.54,  -0.22,  (min)
05/24 00Z,   0.20,   0.76,  99.90,   0.74,  -0.22,
05/24 01Z,   0.30,   1.50,  99.90,   1.57,  -0.22,
05/24 02Z,   0.40,   2.62,  99.90,   2.80,  -0.22,
05/24 03Z,   0.40,   4.06,  99.90,   4.23,  -0.22,
05/24 04Z,   0.40,   5.67,  99.90,   5.84,  -0.22,
05/24 05Z,   0.40,   7.17,  99.90,   7.34,  -0.22,
05/24 06Z,   0.40,   8.25,  99.90,   8.43,  -0.22,
05/24 07Z,   0.40,   8.74,  99.90,   8.91,  -0.22,  (max)
05/24 08Z,   0.40,   8.56,  99.90,   8.74,  -0.22,
05/24 09Z,   0.30,   7.76,  99.90,   7.84,  -0.22,
05/24 10Z,   0.30,   6.54,  99.90,   6.62,  -0.22,
05/24 11Z,   0.30,   5.29,  99.90,   5.37,  -0.22,
05/24 12Z,   0.30,   4.35,  99.90,   4.42,  -0.22,
05/24 13Z,  99.90,   3.82,  99.90,  99.90,  -0.22,
05/24 14Z,  99.90,   3.64,  99.90,  99.90,  -0.22,
05/24 15Z,  99.90,   3.77,  99.90,  99.90,  -0.22,
05/24 16Z,  99.90,   4.17,  99.90,  99.90,  -0.22,
05/24 17Z,  99.90,   4.64,  99.90,  99.90,  -0.22,
05/24 18Z,  99.90,   4.96,  99.90,  99.90,  -0.22,