EXTRA-TROPICAL  STORM  SURGE
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Datum
hat-on
mhhw-on
msl-on
mllw-on
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Gulf of Alaska
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Seattle, WA
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Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Seattle, WA : 09/05/2026 23:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/04 06Z,   1.20,   9.68,  10.55,  99.90,  -0.33,
09/04 07Z,   1.20,   8.01,   8.91,  99.90,  -0.30,
09/04 08Z,   1.20,   5.81,   6.67,  99.90,  -0.34,
09/04 09Z,   1.10,   3.42,   4.12,  99.90,  -0.40,
09/04 10Z,   1.10,   1.25,   1.98,  99.90,  -0.37,
09/04 11Z,   1.10,  -0.22,   0.66,  99.90,  -0.22,
09/04 12Z,   1.10,  -0.59,   0.39,  99.90,  -0.12,  (min)
09/04 13Z,   1.00,   0.23,   1.20,  99.90,  -0.03,
09/04 14Z,   1.00,   1.91,   2.69,  99.90,  -0.22,
09/04 15Z,   1.00,   3.98,   4.72,  99.90,  -0.26,
09/04 16Z,   1.00,   6.05,   6.88,  99.90,  -0.17,
09/04 17Z,   1.00,   7.77,   8.68,  99.90,  -0.09,
09/04 18Z,   0.90,   8.91,   9.90,  99.90,   0.09,
09/04 19Z,   0.90,   9.42,  10.54,  99.90,   0.22,
09/04 20Z,   0.90,   9.44,  10.61,  99.90,   0.27,  (max)
09/04 21Z,   0.90,   9.15,  10.37,  99.90,   0.32,
09/04 22Z,   0.90,   8.69,   9.89,  99.90,   0.30,
09/04 23Z,   0.90,   8.20,   9.34,  99.90,   0.24,
09/05 00Z,   1.00,   7.95,   9.02,  99.90,   0.07,  (min)
09/05 01Z,   1.00,   8.09,   9.10,  99.90,   0.01,
09/05 02Z,   0.90,   8.58,   9.50,  99.90,   0.02,
09/05 03Z,   0.90,   9.22,  10.03,  99.90,  -0.09,
09/05 04Z,   1.00,   9.83,  10.52,  99.90,  -0.31,
09/05 05Z,   0.90,  10.19,  10.83,  99.90,  -0.26,  (max)
09/05 06Z,   1.00,  10.06,  10.57,  99.90,  -0.49,
09/05 07Z,   1.00,   9.22,   9.65,  99.90,  -0.57,
09/05 08Z,   1.00,   7.68,   8.09,  99.90,  -0.59,
09/05 09Z,   0.90,   5.63,   5.97,  99.90,  -0.56,
09/05 10Z,   0.90,   3.37,   3.68,  99.90,  -0.59,
09/05 11Z,   0.90,   1.26,   1.58,  99.90,  -0.58,
09/05 12Z,   0.80,  -0.23,   0.25,  99.90,  -0.32,
09/05 13Z,   0.80,  -0.69,  -0.11,  99.90,  -0.22,  (min)
09/05 14Z,   0.80,  -0.04,   0.58,  99.90,  -0.18,
09/05 15Z,   0.80,   1.47,   1.96,  99.90,  -0.31,
09/05 16Z,   0.80,   3.44,   3.99,  99.90,  -0.25,
09/05 17Z,   0.70,   5.53,   6.24,  99.90,   0.01,
09/05 18Z,   0.60,   7.39,   8.28,  99.90,   0.29,
09/05 19Z,   0.60,   8.76,   9.75,  99.90,   0.39,
09/05 20Z,   0.60,   9.56,  10.59,  99.90,   0.43,
09/05 21Z,   0.60,   9.89,  10.94,  99.90,   0.45,  (max)
09/05 22Z,   0.60,   9.83,  10.82,  99.90,   0.39,
09/05 23Z,   0.60,   9.45,  10.39,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/06 00Z,   0.60,   8.87,  99.90,   9.78,   0.30,
09/06 01Z,   0.60,   8.39,  99.90,   9.25,   0.26,
09/06 02Z,   0.60,   8.20,  99.90,   9.02,   0.22,  (min)
09/06 03Z,   0.60,   8.36,  99.90,   9.14,   0.18,
09/06 04Z,   0.60,   8.76,  99.90,   9.50,   0.14,
09/06 05Z,   0.60,   9.29,  99.90,   9.98,   0.10,
09/06 06Z,   0.60,   9.72,  99.90,  10.37,   0.06,  (max)
09/06 07Z,   0.60,   9.73,  99.90,  10.35,   0.02,
09/06 08Z,   0.60,   9.08,  99.90,   9.66,  -0.03,
09/06 09Z,   0.60,   7.74,  99.90,   8.27,  -0.07,
09/06 10Z,   0.60,   5.84,  99.90,   6.34,  -0.11,
09/06 11Z,   0.60,   3.63,  99.90,   4.09,  -0.15,
09/06 12Z,   0.60,   1.46,  99.90,   1.91,  -0.15,
09/06 13Z,   0.60,  -0.18,  99.90,   0.28,  -0.15,
09/06 14Z,   0.60,  -0.83,  99.90,  -0.38,  -0.15,  (min)
09/06 15Z,   0.60,  -0.38,  99.90,   0.08,  -0.15,
09/06 16Z,   0.60,   1.00,  99.90,   1.45,  -0.15,
09/06 17Z,   0.60,   2.97,  99.90,   3.42,  -0.15,
09/06 18Z,   0.70,   5.18,  99.90,   5.73,  -0.15,
09/06 19Z,   0.70,   7.25,  99.90,   7.80,  -0.15,
09/06 20Z,   0.70,   8.87,  99.90,   9.42,  -0.15,
09/06 21Z,   0.60,   9.91,  99.90,  10.36,  -0.15,
09/06 22Z,   0.70,  10.41,  99.90,  10.97,  -0.15,  (max)
09/06 23Z,   0.70,  10.40,  99.90,  10.95,  -0.15,
09/07 00Z,   0.70,   9.89,  99.90,  10.44,  -0.15,
09/07 01Z,   0.70,   9.04,  99.90,   9.60,  -0.15,
09/07 02Z,   0.70,   8.22,  99.90,   8.77,  -0.15,
09/07 03Z,   0.70,   7.73,  99.90,   8.28,  -0.15,
09/07 04Z,   0.70,   7.68,  99.90,   8.23,  -0.15,  (min)
09/07 05Z,   0.70,   8.05,  99.90,   8.60,  -0.15,
09/07 06Z,   0.70,   8.71,  99.90,   9.26,  -0.15,
09/07 07Z,   0.70,   9.37,  99.90,   9.93,  -0.15,
09/07 08Z,   0.80,   9.66,  99.90,  10.31,  -0.15,  (max)
09/07 09Z,   0.80,   9.24,  99.90,   9.90,  -0.15,
09/07 10Z,   0.70,   8.08,  99.90,   8.63,  -0.15,
09/07 11Z,   0.70,   6.26,  99.90,   6.81,  -0.15,
09/07 12Z,   0.70,   4.00,  99.90,   4.55,  -0.15,
09/07 13Z,   0.70,   1.67,  99.90,   2.22,  -0.15,
09/07 14Z,   0.70,  -0.17,  99.90,   0.38,  -0.15,
09/07 15Z,   0.70,  -1.01,  99.90,  -0.46,  -0.15,  (min)
09/07 16Z,   0.70,  -0.68,  99.90,  -0.13,  -0.15,
09/07 17Z,   0.70,   0.69,  99.90,   1.24,  -0.15,
09/07 18Z,   0.70,   2.78,  99.90,   3.33,  -0.15,
09/07 19Z,   0.70,   5.20,  99.90,   5.75,  -0.15,
09/07 20Z,   0.70,   7.49,  99.90,   8.04,  -0.15,
09/07 21Z,   0.70,   9.28,  99.90,   9.83,  -0.15,
09/07 22Z,   0.70,  10.43,  99.90,  10.98,  -0.15,
09/07 23Z,   0.70,  10.91,  99.90,  11.46,  -0.15,  (max)
09/08 00Z,   0.70,  10.71,  99.90,  11.26,  -0.15,
09/08 01Z,   0.60,   9.87,  99.90,  10.32,  -0.15,
09/08 02Z,   0.60,   8.64,  99.90,   9.09,  -0.15,
09/08 03Z,   0.60,   7.48,  99.90,   7.94,  -0.15,
09/08 04Z,   0.60,   6.79,  99.90,   7.24,  -0.15,
09/08 05Z,   0.60,   6.73,  99.90,   7.18,  -0.15,  (min)
09/08 06Z,   0.60,   7.27,  99.90,   7.72,  -0.15,
09/08 07Z,   0.60,   8.23,  99.90,   8.69,  -0.15,
09/08 08Z,   0.60,   9.23,  99.90,   9.69,  -0.15,
09/08 09Z,   0.60,   9.79,  99.90,  10.25,  -0.15,  (max)
09/08 10Z,   0.60,   9.58,  99.90,  10.03,  -0.15,
09/08 11Z,   0.60,   8.50,  99.90,   8.96,  -0.15,
09/08 12Z,   0.60,   6.66,  99.90,   7.12,  -0.15,
09/08 13Z,   0.60,   4.27,  99.90,   4.72,  -0.15,
09/08 14Z,   0.60,   1.76,  99.90,   2.22,  -0.15,
09/08 15Z,   0.60,  -0.22,  99.90,   0.23,  -0.15,
09/08 16Z,   0.50,  -1.13,  99.90,  -0.78,  -0.15,  (min)
09/08 17Z,   0.50,  -0.75,  99.90,  -0.40,  -0.15,
09/08 18Z,   0.50,   0.76,  99.90,   1.11,  -0.15,
09/08 19Z,   0.50,   3.06,  99.90,   3.41,  -0.15,
09/08 20Z,   0.50,   5.69,  99.90,   6.05,  -0.15,
09/08 21Z,   0.50,   8.12,  99.90,   8.48,  -0.15,
09/08 22Z,   0.50,   9.95,  99.90,  10.30,  -0.15,
09/08 23Z,   0.50,  10.99,  99.90,  11.34,  -0.15,
09/09 00Z,   0.50,  11.22,  99.90,  11.57,  -0.15,  (max)
09/09 01Z,   0.50,  10.63,  99.90,  10.98,  -0.15,
09/09 02Z,   0.50,   9.32,  99.90,   9.68,  -0.15,
09/09 03Z,   0.50,   7.70,  99.90,   8.05,  -0.15,
09/09 04Z,   0.50,   6.30,  99.90,   6.65,  -0.15,
09/09 05Z,   0.50,   5.59,  99.90,   5.94,  -0.15,  (min)
09/09 06Z,   0.50,   5.71,  99.90,   6.06,  -0.15,
09/09 07Z,   0.50,   6.59,  99.90,   6.94,  -0.15,
09/09 08Z,   0.50,   7.94,  99.90,   8.29,  -0.15,
09/09 09Z,   0.40,   9.27,  99.90,   9.52,  -0.15,
09/09 10Z,   0.40,  10.04,  99.90,  10.29,  -0.15,  (max)
09/09 11Z,   0.40,   9.92,  99.90,  10.17,  -0.15,
09/09 12Z,   0.40,   8.84,  99.90,   9.09,  -0.15,
09/09 13Z,   0.40,   6.91,  99.90,   7.16,  -0.15,
09/09 14Z,   0.40,   4.38,  99.90,   4.64,  -0.15,
09/09 15Z,   0.40,   1.77,  99.90,   2.03,  -0.15,
09/09 16Z,   0.40,  -0.21,  99.90,   0.04,  -0.15,
09/09 17Z,   0.40,  -1.00,  99.90,  -0.75,  -0.15,  (min)
09/09 18Z,   0.40,  -0.42,  99.90,  -0.16,  -0.15,