EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Cherry Point, WA
Friday Harbor WA
Port Townsend
Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Seattle, WA : 09/09/2026 12:22:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/07 12Z,   0.80,   4.00,   4.43,  99.90,  -0.37,
09/07 13Z,   0.80,   1.67,   2.00,  99.90,  -0.47,
09/07 14Z,   0.80,  -0.17,   0.09,  99.90,  -0.54,
09/07 15Z,   0.80,  -1.01,  -0.83,  99.90,  -0.62,  (min)
09/07 16Z,   0.80,  -0.68,  -0.48,  99.90,  -0.60,
09/07 17Z,   0.80,   0.69,   0.85,  99.90,  -0.64,
09/07 18Z,   0.60,   2.78,   3.02,  99.90,  -0.36,
09/07 19Z,   0.60,   5.20,   5.72,  99.90,  -0.08,
09/07 20Z,   0.50,   7.49,   8.18,  99.90,   0.19,
09/07 21Z,   0.50,   9.28,  10.10,  99.90,   0.32,
09/07 22Z,   0.50,  10.43,  11.23,  99.90,   0.30,
09/07 23Z,   0.50,  10.91,  11.55,  99.90,   0.14,  (max)
09/08 00Z,   0.50,  10.71,  11.18,  99.90,  -0.03,
09/08 01Z,   0.50,   9.87,  10.42,  99.90,   0.05,
09/08 02Z,   0.50,   8.64,   9.39,  99.90,   0.25,
09/08 03Z,   0.50,   7.48,   8.21,  99.90,   0.23,
09/08 04Z,   0.50,   6.79,   7.50,  99.90,   0.21,
09/08 05Z,   0.50,   6.73,   7.46,  99.90,   0.23,  (min)
09/08 06Z,   0.60,   7.27,   7.97,  99.90,   0.10,
09/08 07Z,   0.60,   8.23,   8.74,  99.90,  -0.09,
09/08 08Z,   0.60,   9.23,   9.59,  99.90,  -0.24,
09/08 09Z,   0.60,   9.79,  10.16,  99.90,  -0.23,  (max)
09/08 10Z,   0.60,   9.58,  10.01,  99.90,  -0.17,
09/08 11Z,   0.60,   8.50,   8.96,  99.90,  -0.14,
09/08 12Z,   0.70,   6.66,   7.14,  99.90,  -0.22,
09/08 13Z,   0.70,   4.27,   4.67,  99.90,  -0.30,
09/08 14Z,   0.70,   1.76,   2.05,  99.90,  -0.41,
09/08 15Z,   0.70,  -0.22,  -0.05,  99.90,  -0.53,
09/08 16Z,   0.70,  -1.13,  -1.09,  99.90,  -0.66,  (min)
09/08 17Z,   0.70,  -0.75,  -0.73,  99.90,  -0.68,
09/08 18Z,   0.50,   0.76,   0.82,  99.90,  -0.44,
09/08 19Z,   0.50,   3.06,   3.23,  99.90,  -0.33,
09/08 20Z,   0.50,   5.69,   6.09,  99.90,  -0.10,
09/08 21Z,   0.50,   8.12,   8.70,  99.90,   0.08,
09/08 22Z,   0.50,   9.95,  10.51,  99.90,   0.06,
09/08 23Z,   0.50,  10.99,  11.49,  99.90,   0.00,
09/09 00Z,   0.40,  11.22,  11.51,  99.90,  -0.11,  (max)
09/09 01Z,   0.40,  10.63,  10.78,  99.90,  -0.25,
09/09 02Z,   0.40,   9.32,   9.66,  99.90,  -0.06,
09/09 03Z,   0.40,   7.70,   8.12,  99.90,   0.02,
09/09 04Z,   0.40,   6.30,   6.67,  99.90,  -0.03,
09/09 05Z,   0.30,   5.59,   6.03,  99.90,   0.14,  (min)
09/09 06Z,   0.30,   5.71,   6.22,  99.90,   0.21,
09/09 07Z,   0.30,   6.59,   7.08,  99.90,   0.19,
09/09 08Z,   0.30,   7.94,   8.30,  99.90,   0.06,
09/09 09Z,   0.30,   9.27,   9.56,  99.90,  -0.01,
09/09 10Z,   0.30,  10.04,  10.41,  99.90,   0.07,  (max)
09/09 11Z,   0.30,   9.92,  10.36,  99.90,   0.14,
09/09 12Z,   0.30,   8.84,   9.27,  99.90,   0.13,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/09 13Z,   0.30,   6.91,  99.90,   7.32,   0.11,
09/09 14Z,   0.30,   4.38,  99.90,   4.77,   0.09,
09/09 15Z,   0.30,   1.77,  99.90,   2.14,   0.07,
09/09 16Z,   0.30,  -0.21,  99.90,   0.14,   0.05,
09/09 17Z,   0.30,  -1.00,  99.90,  -0.67,   0.03,  (min)
09/09 18Z,   0.30,  -0.42,  99.90,  -0.10,   0.01,
09/09 19Z,   0.30,   1.35,  99.90,   1.64,  -0.01,
09/09 20Z,   0.30,   3.89,  99.90,   4.16,  -0.03,
09/09 21Z,   0.30,   6.66,  99.90,   6.91,  -0.05,
09/09 22Z,   0.30,   9.06,  99.90,   9.30,  -0.07,
09/09 23Z,   0.30,  10.70,  99.90,  10.91,  -0.09,
09/10 00Z,   0.30,  11.41,  99.90,  11.60,  -0.11,  (max)
09/10 01Z,   0.30,  11.18,  99.90,  11.37,  -0.11,
09/10 02Z,   0.30,  10.06,  99.90,  10.25,  -0.11,
09/10 03Z,   0.30,   8.27,  99.90,   8.46,  -0.11,
09/10 04Z,   0.30,   6.32,  99.90,   6.52,  -0.11,
09/10 05Z,   0.30,   4.87,  99.90,   5.06,  -0.11,
09/10 06Z,   0.30,   4.33,  99.90,   4.53,  -0.11,  (min)
09/10 07Z,   0.40,   4.81,  99.90,   5.10,  -0.11,
09/10 08Z,   0.40,   6.11,  99.90,   6.41,  -0.11,
09/10 09Z,   0.40,   7.84,  99.90,   8.13,  -0.11,
09/10 10Z,   0.40,   9.41,  99.90,   9.70,  -0.11,
09/10 11Z,   0.40,  10.27,  99.90,  10.57,  -0.11,  (max)
09/10 12Z,   0.40,  10.14,  99.90,  10.43,  -0.11,
09/10 13Z,   0.50,   8.99,  99.90,   9.39,  -0.11,
09/10 14Z,   0.50,   6.97,  99.90,   7.36,  -0.11,
09/10 15Z,   0.50,   4.38,  99.90,   4.77,  -0.11,
09/10 16Z,   0.50,   1.82,  99.90,   2.21,  -0.11,
09/10 17Z,   0.50,   0.03,  99.90,   0.42,  -0.11,
09/10 18Z,   0.50,  -0.46,  99.90,  -0.07,  -0.11,  (min)
09/10 19Z,   0.50,   0.45,  99.90,   0.84,  -0.11,
09/10 20Z,   0.50,   2.49,  99.90,   2.89,  -0.11,
09/10 21Z,   0.50,   5.18,  99.90,   5.58,  -0.11,
09/10 22Z,   0.50,   7.91,  99.90,   8.31,  -0.11,
09/10 23Z,   0.50,  10.08,  99.90,  10.48,  -0.11,
09/11 00Z,   0.50,  11.31,  99.90,  11.71,  -0.11,
09/11 01Z,   0.50,  11.50,  99.90,  11.89,  -0.11,  (max)
09/11 02Z,   0.50,  10.69,  99.90,  11.08,  -0.11,
09/11 03Z,   0.50,   9.00,  99.90,   9.40,  -0.11,
09/11 04Z,   0.60,   6.80,  99.90,   7.29,  -0.11,
09/11 05Z,   0.60,   4.71,  99.90,   5.21,  -0.11,
09/11 06Z,   0.60,   3.40,  99.90,   3.89,  -0.11,
09/11 07Z,   0.60,   3.22,  99.90,   3.72,  -0.11,  (min)
09/11 08Z,   0.60,   4.15,  99.90,   4.64,  -0.11,
09/11 09Z,   0.60,   5.87,  99.90,   6.36,  -0.11,
09/11 10Z,   0.60,   7.89,  99.90,   8.38,  -0.11,
09/11 11Z,   0.60,   9.57,  99.90,  10.07,  -0.11,
09/11 12Z,   0.60,  10.42,  99.90,  10.91,  -0.11,  (max)
09/11 13Z,   0.60,  10.20,  99.90,  10.69,  -0.11,
09/11 14Z,   0.60,   8.96,  99.90,   9.46,  -0.11,
09/11 15Z,   0.60,   6.90,  99.90,   7.39,  -0.11,
09/11 16Z,   0.60,   4.38,  99.90,   4.88,  -0.11,
09/11 17Z,   0.60,   2.05,  99.90,   2.54,  -0.11,
09/11 18Z,   0.60,   0.62,  99.90,   1.12,  -0.11,
09/11 19Z,   0.60,   0.55,  99.90,   1.04,  -0.11,  (min)
09/11 20Z,   0.60,   1.81,  99.90,   2.30,  -0.11,
09/11 21Z,   0.60,   4.04,  99.90,   4.53,  -0.11,
09/11 22Z,   0.60,   6.72,  99.90,   7.21,  -0.11,
09/11 23Z,   0.60,   9.20,  99.90,   9.69,  -0.11,
09/12 00Z,   0.70,  10.93,  99.90,  11.52,  -0.11,
09/12 01Z,   0.70,  11.58,  99.90,  12.18,  -0.11,  (max)
09/12 02Z,   0.70,  11.14,  99.90,  11.73,  -0.11,
09/12 03Z,   0.70,   9.72,  99.90,  10.31,  -0.11,
09/12 04Z,   0.70,   7.55,  99.90,   8.14,  -0.11,
09/12 05Z,   0.70,   5.11,  99.90,   5.70,  -0.11,
09/12 06Z,   0.70,   3.09,  99.90,   3.69,  -0.11,
09/12 07Z,   0.70,   2.12,  99.90,   2.71,  -0.11,  (min)
09/12 08Z,   0.70,   2.41,  99.90,   3.00,  -0.11,
09/12 09Z,   0.70,   3.79,  99.90,   4.39,  -0.11,
09/12 10Z,   0.70,   5.86,  99.90,   6.46,  -0.11,
09/12 11Z,   0.70,   8.04,  99.90,   8.64,  -0.11,
09/12 12Z,   0.70,   9.72,  99.90,  10.31,  -0.11,
09/12 13Z,   0.70,  10.45,  99.90,  11.04,  -0.11,  (max)
09/12 14Z,   0.80,  10.12,  99.90,  10.81,  -0.11,
09/12 15Z,   0.80,   8.83,  99.90,   9.53,  -0.11,
09/12 16Z,   0.80,   6.83,  99.90,   7.53,  -0.11,
09/12 17Z,   0.80,   4.53,  99.90,   5.23,  -0.11,
09/12 18Z,   0.80,   2.58,  99.90,   3.27,  -0.11,
09/12 19Z,   0.80,   1.62,  99.90,   2.31,  -0.11,  (min)
09/12 20Z,   0.80,   1.97,  99.90,   2.66,  -0.11,
09/12 21Z,   0.80,   3.48,  99.90,   4.17,  -0.11,
09/12 22Z,   0.70,   5.74,  99.90,   6.33,  -0.11,
09/12 23Z,   0.70,   8.19,  99.90,   8.78,  -0.11,
09/13 00Z,   0.80,  10.24,  99.90,  10.93,  -0.11,