EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Gulf of Alaska
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Friday Harbor WA
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Crescent City, CA
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Surge List
West Coast
#Port Townsend, WA : 09/12/2026 16:22:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 00Z,   0.70,   8.42,   8.63,  99.90,  -0.49,
09/11 01Z,   0.70,   8.18,   8.40,  99.90,  -0.48,  (max)
09/11 02Z,   0.70,   7.09,   7.47,  99.90,  -0.32,
09/11 03Z,   0.70,   5.53,   6.04,  99.90,  -0.19,
09/11 04Z,   0.70,   4.10,   4.55,  99.90,  -0.25,
09/11 05Z,   0.80,   3.32,   3.71,  99.90,  -0.41,  (min)
09/11 06Z,   0.70,   3.30,   3.73,  99.90,  -0.27,
09/11 07Z,   0.60,   3.81,   4.34,  99.90,  -0.07,
09/11 08Z,   0.60,   4.63,   5.27,  99.90,   0.04,
09/11 09Z,   0.70,   5.63,   6.15,  99.90,  -0.18,
09/11 10Z,   0.70,   6.64,   7.23,  99.90,  -0.11,
09/11 11Z,   0.70,   7.33,   7.91,  99.90,  -0.12,
09/11 12Z,   0.70,   7.41,   8.02,  99.90,  -0.09,  (max)
09/11 13Z,   0.70,   6.73,   7.30,  99.90,  -0.13,
09/11 14Z,   0.70,   5.33,   5.86,  99.90,  -0.17,
09/11 15Z,   0.70,   3.50,   3.97,  99.90,  -0.23,
09/11 16Z,   0.70,   1.81,   2.07,  99.90,  -0.44,
09/11 17Z,   0.70,   0.81,   1.13,  99.90,  -0.38,
09/11 18Z,   0.80,   0.75,   1.06,  99.90,  -0.49,  (min)
09/11 19Z,   0.80,   1.45,   1.89,  99.90,  -0.36,
09/11 20Z,   0.70,   2.63,   3.09,  99.90,  -0.24,
09/11 21Z,   0.80,   4.13,   4.50,  99.90,  -0.43,
09/11 22Z,   0.90,   5.78,   6.10,  99.90,  -0.58,
09/11 23Z,   0.80,   7.28,   7.70,  99.90,  -0.38,
09/12 00Z,   0.80,   8.24,   8.59,  99.90,  -0.45,
09/12 01Z,   0.80,   8.36,   8.61,  99.90,  -0.55,  (max)
09/12 02Z,   0.80,   7.55,   7.98,  99.90,  -0.37,
09/12 03Z,   0.80,   6.01,   6.54,  99.90,  -0.27,
09/12 04Z,   0.80,   4.21,   4.78,  99.90,  -0.23,
09/12 05Z,   0.80,   2.81,   3.33,  99.90,  -0.28,
09/12 06Z,   0.80,   2.23,   2.77,  99.90,  -0.26,  (min)
09/12 07Z,   0.70,   2.45,   2.94,  99.90,  -0.21,
09/12 08Z,   0.60,   3.19,   3.75,  99.90,  -0.04,
09/12 09Z,   0.70,   4.21,   4.76,  99.90,  -0.15,
09/12 10Z,   0.80,   5.40,   5.88,  99.90,  -0.32,
09/12 11Z,   0.70,   6.53,   7.08,  99.90,  -0.15,
09/12 12Z,   0.70,   7.28,   7.85,  99.90,  -0.13,
09/12 13Z,   0.70,   7.37,   7.99,  99.90,  -0.08,  (max)
09/12 14Z,   0.80,   6.71,   7.43,  99.90,  -0.08,
09/12 15Z,   0.70,   5.39,   6.04,  99.90,  -0.05,
09/12 16Z,   0.70,   3.77,   4.34,  99.90,  -0.13,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 17Z,   0.80,   2.40,  99.90,   3.06,  -0.13,
09/12 18Z,   0.70,   1.76,  99.90,   2.33,  -0.13,  (min)
09/12 19Z,   0.70,   1.98,  99.90,   2.54,  -0.14,
09/12 20Z,   0.70,   2.82,  99.90,   3.38,  -0.14,
09/12 21Z,   0.70,   4.01,  99.90,   4.57,  -0.14,
09/12 22Z,   0.80,   5.41,  99.90,   6.07,  -0.14,
09/12 23Z,   0.70,   6.84,  99.90,   7.39,  -0.15,
09/13 00Z,   0.70,   7.94,  99.90,   8.49,  -0.15,
09/13 01Z,   0.80,   8.36,  99.90,   9.01,  -0.15,  (max)
09/13 02Z,   0.80,   7.90,  99.90,   8.54,  -0.16,
09/13 03Z,   0.80,   6.59,  99.90,   7.23,  -0.16,
09/13 04Z,   0.80,   4.73,  99.90,   5.37,  -0.16,
09/13 05Z,   0.80,   2.89,  99.90,   3.53,  -0.16,
09/13 06Z,   0.80,   1.66,  99.90,   2.30,  -0.16,
09/13 07Z,   0.80,   1.35,  99.90,   1.99,  -0.16,  (min)
09/13 08Z,   0.80,   1.83,  99.90,   2.47,  -0.16,
09/13 09Z,   0.80,   2.77,  99.90,   3.41,  -0.16,
09/13 10Z,   0.90,   3.97,  99.90,   4.71,  -0.16,
09/13 11Z,   0.90,   5.28,  99.90,   6.02,  -0.16,
09/13 12Z,   0.90,   6.47,  99.90,   7.21,  -0.16,
09/13 13Z,   0.90,   7.22,  99.90,   7.96,  -0.16,
09/13 14Z,   0.90,   7.32,  99.90,   8.05,  -0.16,  (max)
09/13 15Z,   0.80,   6.71,  99.90,   7.35,  -0.16,
09/13 16Z,   0.90,   5.56,  99.90,   6.30,  -0.16,
09/13 17Z,   0.90,   4.23,  99.90,   4.97,  -0.16,
09/13 18Z,   0.80,   3.22,  99.90,   3.86,  -0.16,
09/13 19Z,   0.80,   2.92,  99.90,   3.56,  -0.16,  (min)
09/13 20Z,   0.90,   3.33,  99.90,   4.07,  -0.16,
09/13 21Z,   0.90,   4.20,  99.90,   4.94,  -0.16,
09/13 22Z,   0.80,   5.30,  99.90,   5.93,  -0.16,
09/13 23Z,   0.70,   6.49,  99.90,   7.03,  -0.16,
09/14 00Z,   0.80,   7.57,  99.90,   8.21,  -0.16,
09/14 01Z,   0.80,   8.20,  99.90,   8.84,  -0.16,  (max)
09/14 02Z,   0.70,   8.07,  99.90,   8.60,  -0.16,
09/14 03Z,   0.70,   7.09,  99.90,   7.63,  -0.16,
09/14 04Z,   0.70,   5.42,  99.90,   5.96,  -0.16,
09/14 05Z,   0.80,   3.45,  99.90,   4.09,  -0.16,
09/14 06Z,   0.80,   1.74,  99.90,   2.38,  -0.16,
09/14 07Z,   0.70,   0.79,  99.90,   1.33,  -0.16,
09/14 08Z,   0.60,   0.78,  99.90,   1.22,  -0.16,  (min)
09/14 09Z,   0.70,   1.49,  99.90,   2.02,  -0.16,
09/14 10Z,   0.70,   2.59,  99.90,   3.13,  -0.16,
09/14 11Z,   0.70,   3.90,  99.90,   4.44,  -0.16,
09/14 12Z,   0.60,   5.27,  99.90,   5.71,  -0.16,
09/14 13Z,   0.60,   6.46,  99.90,   6.90,  -0.16,
09/14 14Z,   0.60,   7.18,  99.90,   7.62,  -0.16,
09/14 15Z,   0.60,   7.28,  99.90,   7.72,  -0.16,  (max)
09/14 16Z,   0.60,   6.78,  99.90,   7.22,  -0.16,
09/14 17Z,   0.60,   5.86,  99.90,   6.30,  -0.16,
09/14 18Z,   0.50,   4.86,  99.90,   5.20,  -0.16,
09/14 19Z,   0.60,   4.19,  99.90,   4.63,  -0.16,
09/14 20Z,   0.60,   4.13,  99.90,   4.57,  -0.16,  (min)
09/14 21Z,   0.60,   4.62,  99.90,   5.05,  -0.16,
09/14 22Z,   0.50,   5.39,  99.90,   5.73,  -0.16,
09/14 23Z,   0.50,   6.29,  99.90,   6.63,  -0.16,
09/15 00Z,   0.60,   7.20,  99.90,   7.64,  -0.16,
09/15 01Z,   0.60,   7.89,  99.90,   8.33,  -0.16,
09/15 02Z,   0.60,   8.04,  99.90,   8.47,  -0.16,  (max)
09/15 03Z,   0.60,   7.42,  99.90,   7.86,  -0.16,
09/15 04Z,   0.60,   6.08,  99.90,   6.52,  -0.16,
09/15 05Z,   0.60,   4.26,  99.90,   4.69,  -0.16,
09/15 06Z,   0.60,   2.36,  99.90,   2.80,  -0.16,
09/15 07Z,   0.50,   0.90,  99.90,   1.24,  -0.16,
09/15 08Z,   0.50,   0.28,  99.90,   0.62,  -0.16,  (min)
09/15 09Z,   0.60,   0.54,  99.90,   0.98,  -0.16,
09/15 10Z,   0.60,   1.41,  99.90,   1.85,  -0.16,
09/15 11Z,   0.50,   2.60,  99.90,   2.94,  -0.16,
09/15 12Z,   0.60,   3.95,  99.90,   4.39,  -0.16,
09/15 13Z,   0.60,   5.33,  99.90,   5.77,  -0.16,
09/15 14Z,   0.60,   6.47,  99.90,   6.91,  -0.16,
09/15 15Z,   0.60,   7.15,  99.90,   7.58,  -0.16,
09/15 16Z,   0.60,   7.28,  99.90,   7.71,  -0.16,  (max)
09/15 17Z,   0.60,   6.93,  99.90,   7.37,  -0.16,
09/15 18Z,   0.50,   6.27,  99.90,   6.61,  -0.16,
09/15 19Z,   0.50,   5.58,  99.90,   5.91,  -0.16,
09/15 20Z,   0.50,   5.17,  99.90,   5.51,  -0.16,  (min)
09/15 21Z,   0.50,   5.23,  99.90,   5.57,  -0.16,
09/15 22Z,   0.50,   5.66,  99.90,   6.00,  -0.16,
09/15 23Z,   0.50,   6.26,  99.90,   6.60,  -0.16,
09/16 00Z,   0.50,   6.91,  99.90,   7.24,  -0.16,
09/16 01Z,   0.50,   7.50,  99.90,   7.84,  -0.16,
09/16 02Z,   0.50,   7.81,  99.90,   8.15,  -0.16,  (max)
09/16 03Z,   0.50,   7.54,  99.90,   7.88,  -0.16,
09/16 04Z,   0.50,   6.59,  99.90,   6.93,  -0.16,
09/16 05Z,   0.50,   5.07,  99.90,   5.41,  -0.16,
09/16 06Z,   0.50,   3.28,  99.90,   3.62,  -0.16,
09/16 07Z,  99.90,   1.61,  99.90,  99.90,  -0.16,
09/16 08Z,  99.90,   0.46,  99.90,  99.90,  -0.16,
09/16 09Z,  99.90,   0.13,  99.90,  99.90,  -0.16,
09/16 10Z,  99.90,   0.58,  99.90,  99.90,  -0.16,
09/16 11Z,  99.90,   1.53,  99.90,  99.90,  -0.16,
09/16 12Z,  99.90,   2.73,  99.90,  99.90,  -0.16,