EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
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 : 10/15/2026 20:22:05 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 00Z,   0.70,   7.79,   7.79,  99.90,  -0.70,
10/14 01Z,   0.70,   7.78,   7.83,  99.90,  -0.65,  (max)
10/14 02Z,   0.70,   7.15,   7.32,  99.90,  -0.53,
10/14 03Z,   0.70,   5.83,   6.04,  99.90,  -0.49,
10/14 04Z,   0.60,   3.99,   4.21,  99.90,  -0.38,
10/14 05Z,   0.70,   1.97,   2.16,  99.90,  -0.51,
10/14 06Z,   0.70,   0.25,   0.50,  99.90,  -0.45,
10/14 07Z,   0.60,  -0.72,  -0.38,  99.90,  -0.26,  (min)
10/14 08Z,   0.60,  -0.68,  -0.28,  99.90,  -0.20,
10/14 09Z,   0.70,   0.18,   0.38,  99.90,  -0.50,
10/14 10Z,   0.70,   1.51,   1.59,  99.90,  -0.62,
10/14 11Z,   0.60,   3.08,   2.89,  99.90,  -0.79,
10/14 12Z,   0.60,   4.73,   4.60,  99.90,  -0.73,
10/14 13Z,   0.60,   6.30,   6.28,  99.90,  -0.62,
10/14 14Z,   0.70,   7.53,   7.53,  99.90,  -0.70,
10/14 15Z,   0.60,   8.23,   8.19,  99.90,  -0.64,
10/14 16Z,   0.60,   8.38,   8.35,  99.90,  -0.63,  (max)
10/14 17Z,   0.60,   8.07,   7.92,  99.90,  -0.75,
10/14 18Z,   0.60,   7.47,   7.21,  99.90,  -0.86,
10/14 19Z,   0.60,   6.89,   6.59,  99.90,  -0.90,
10/14 20Z,   0.50,   6.60,   6.26,  99.90,  -0.84,  (min)
10/14 21Z,   0.50,   6.67,   6.36,  99.90,  -0.81,
10/14 22Z,   0.50,   6.91,   6.66,  99.90,  -0.75,
10/14 23Z,   0.50,   7.19,   6.94,  99.90,  -0.75,
10/15 00Z,   0.50,   7.45,   7.27,  99.90,  -0.68,
10/15 01Z,   0.50,   7.55,   7.45,  99.90,  -0.60,  (max)
10/15 02Z,   0.50,   7.26,   7.15,  99.90,  -0.61,
10/15 03Z,   0.50,   6.36,   6.39,  99.90,  -0.47,
10/15 04Z,   0.40,   4.89,   4.90,  99.90,  -0.39,
10/15 05Z,   0.50,   3.08,   3.10,  99.90,  -0.48,
10/15 06Z,   0.40,   1.29,   1.25,  99.90,  -0.44,
10/15 07Z,   0.40,  -0.07,  -0.10,  99.90,  -0.43,
10/15 08Z,   0.40,  -0.64,  -0.54,  99.90,  -0.30,  (min)
10/15 09Z,   0.40,  -0.31,  -0.33,  99.90,  -0.42,
10/15 10Z,   0.40,   0.70,   0.54,  99.90,  -0.56,
10/15 11Z,   0.40,   2.05,   1.77,  99.90,  -0.68,
10/15 12Z,   0.40,   3.57,   3.26,  99.90,  -0.71,
10/15 13Z,   0.40,   5.14,   4.91,  99.90,  -0.63,
10/15 14Z,   0.40,   6.58,   6.34,  99.90,  -0.64,
10/15 15Z,   0.30,   7.64,   7.49,  99.90,  -0.45,
10/15 16Z,   0.30,   8.22,   8.09,  99.90,  -0.43,
10/15 17Z,   0.40,   8.34,   8.15,  99.90,  -0.59,  (max)
10/15 18Z,   0.40,   8.09,   7.90,  99.90,  -0.59,
10/15 19Z,   0.30,   7.63,   7.16,  99.90,  -0.77,
10/15 20Z,   0.30,   7.17,   6.76,  99.90,  -0.71,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 21Z,   0.40,   6.94,  99.90,   6.64,  -0.70,  (min)
10/15 22Z,   0.40,   6.93,  99.90,   6.64,  -0.69,
10/15 23Z,   0.30,   7.03,  99.90,   6.65,  -0.68,
10/16 00Z,   0.40,   7.13,  99.90,   6.87,  -0.66,
10/16 01Z,   0.40,   7.21,  99.90,   6.96,  -0.65,  (max)
10/16 02Z,   0.40,   7.14,  99.90,   6.90,  -0.64,
10/16 03Z,   0.40,   6.65,  99.90,   6.43,  -0.63,
10/16 04Z,   0.50,   5.63,  99.90,   5.51,  -0.61,
10/16 05Z,   0.50,   4.16,  99.90,   4.05,  -0.60,
10/16 06Z,   0.40,   2.52,  99.90,   2.33,  -0.59,
10/16 07Z,   0.40,   1.03,  99.90,   0.85,  -0.58,
10/16 08Z,   0.50,   0.01,  99.90,  -0.06,  -0.56,
10/16 09Z,   0.50,  -0.27,  99.90,  -0.34,  -0.56,  (min)
10/16 10Z,   0.50,   0.21,  99.90,   0.15,  -0.56,
10/16 11Z,   0.50,   1.23,  99.90,   1.17,  -0.56,
10/16 12Z,   0.60,   2.51,  99.90,   2.55,  -0.56,
10/16 13Z,   0.60,   3.93,  99.90,   3.97,  -0.56,
10/16 14Z,   0.50,   5.39,  99.90,   5.32,  -0.56,
10/16 15Z,   0.60,   6.68,  99.90,   6.72,  -0.56,
10/16 16Z,   0.60,   7.61,  99.90,   7.65,  -0.56,
10/16 17Z,   0.60,   8.12,  99.90,   8.16,  -0.56,
10/16 18Z,   0.60,   8.26,  99.90,   8.29,  -0.56,  (max)
10/16 19Z,   0.60,   8.09,  99.90,   8.13,  -0.56,
10/16 20Z,   0.60,   7.72,  99.90,   7.75,  -0.56,
10/16 21Z,   0.70,   7.32,  99.90,   7.45,  -0.56,
10/16 22Z,   0.60,   7.06,  99.90,   7.09,  -0.56,
10/16 23Z,   0.60,   6.94,  99.90,   6.98,  -0.56,  (min)
10/17 00Z,   0.70,   6.89,  99.90,   7.02,  -0.56,  (max)
10/17 01Z,   0.70,   6.86,  99.90,   7.00,  -0.56,
10/17 02Z,   0.70,   6.84,  99.90,   6.97,  -0.56,
10/17 03Z,   0.70,   6.66,  99.90,   6.79,  -0.56,
10/17 04Z,   0.80,   6.09,  99.90,   6.33,  -0.56,
10/17 05Z,   0.70,   5.06,  99.90,   5.19,  -0.56,
10/17 06Z,   0.70,   3.71,  99.90,   3.85,  -0.56,
10/17 07Z,   0.80,   2.31,  99.90,   2.55,  -0.56,
10/17 08Z,   0.80,   1.11,  99.90,   1.34,  -0.56,
10/17 09Z,   0.80,   0.34,  99.90,   0.58,  -0.56,
10/17 10Z,   0.80,   0.22,  99.90,   0.46,  -0.56,  (min)
10/17 11Z,   0.80,   0.73,  99.90,   0.96,  -0.56,
10/17 12Z,   0.80,   1.67,  99.90,   1.90,  -0.56,
10/17 13Z,   0.80,   2.83,  99.90,   3.07,  -0.56,
10/17 14Z,   0.80,   4.14,  99.90,   4.38,  -0.56,
10/17 15Z,   0.80,   5.50,  99.90,   5.73,  -0.56,
10/17 16Z,   0.80,   6.68,  99.90,   6.92,  -0.56,
10/17 17Z,   0.80,   7.53,  99.90,   7.77,  -0.56,
10/17 18Z,   0.80,   8.02,  99.90,   8.25,  -0.56,
10/17 19Z,   0.70,   8.19,  99.90,   8.33,  -0.56,  (max)
10/17 20Z,   0.70,   8.07,  99.90,   8.21,  -0.56,
10/17 21Z,   0.80,   7.72,  99.90,   7.95,  -0.56,
10/17 22Z,   0.80,   7.29,  99.90,   7.53,  -0.56,
10/17 23Z,   0.70,   6.95,  99.90,   7.08,  -0.56,
10/18 00Z,   0.80,   6.71,  99.90,   6.95,  -0.56,
10/18 01Z,   0.80,   6.55,  99.90,   6.78,  -0.56,
10/18 02Z,   0.70,   6.45,  99.90,   6.59,  -0.56,
10/18 03Z,   0.70,   6.40,  99.90,   6.53,  -0.56,
10/18 04Z,   0.70,   6.20,  99.90,   6.33,  -0.56,
10/18 05Z,   0.60,   5.65,  99.90,   5.68,  -0.56,
10/18 06Z,   0.60,   4.71,  99.90,   4.75,  -0.56,
10/18 07Z,   0.60,   3.56,  99.90,   3.60,  -0.56,
10/18 08Z,   0.60,   2.40,  99.90,   2.43,  -0.56,
10/18 09Z,   0.50,   1.40,  99.90,   1.34,  -0.56,
10/18 10Z,   0.60,   0.78,  99.90,   0.81,  -0.56,
10/18 11Z,   0.60,   0.69,  99.90,   0.73,  -0.56,  (min)
10/18 12Z,   0.50,   1.15,  99.90,   1.08,  -0.56,
10/18 13Z,   0.50,   1.98,  99.90,   1.91,  -0.56,
10/18 14Z,   0.50,   3.04,  99.90,   2.98,  -0.56,
10/18 15Z,   0.50,   4.28,  99.90,   4.21,  -0.56,
10/18 16Z,   0.50,   5.56,  99.90,   5.50,  -0.56,
10/18 17Z,   0.50,   6.69,  99.90,   6.63,  -0.56,
10/18 18Z,   0.50,   7.50,  99.90,   7.44,  -0.56,
10/18 19Z,   0.50,   7.99,  99.90,   7.92,  -0.56,
10/18 20Z,   0.50,   8.16,  99.90,   8.10,  -0.56,  (max)
10/18 21Z,   0.60,   8.01,  99.90,   8.05,  -0.56,
10/18 22Z,   0.60,   7.58,  99.90,   7.61,  -0.56,
10/18 23Z,   0.60,   7.05,  99.90,   7.08,  -0.56,
10/19 00Z,   0.60,   6.59,  99.90,   6.63,  -0.56,
10/19 01Z,   0.70,   6.27,  99.90,   6.41,  -0.56,
10/19 02Z,   0.70,   6.06,  99.90,   6.20,  -0.56,
10/19 03Z,   0.70,   5.98,  99.90,   6.11,  -0.56,
10/19 04Z,   0.70,   5.96,  99.90,   6.10,  -0.56,
10/19 05Z,   0.70,   5.83,  99.90,   5.96,  -0.56,
10/19 06Z,   0.70,   5.37,  99.90,   5.51,  -0.56,
10/19 07Z,   0.70,   4.60,  99.90,   4.73,  -0.56,
10/19 08Z,   0.80,   3.65,  99.90,   3.88,  -0.56,
10/19 09Z,   0.80,   2.67,  99.90,   2.90,  -0.56,
10/19 10Z,   0.80,   1.78,  99.90,   2.02,  -0.56,
10/19 11Z,   0.80,   1.20,  99.90,   1.43,  -0.56,
10/19 12Z,   0.80,   1.09,  99.90,   1.32,  -0.56,