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 : 09/14/2026 11:22:08 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 12Z,   0.80,   9.72,  10.66,  99.90,   0.14,
09/12 13Z,   0.80,  10.45,  11.36,  99.90,   0.11,  (max)
09/12 14Z,   0.80,  10.12,  10.86,  99.90,  -0.06,
09/12 15Z,   0.80,   8.83,   9.62,  99.90,  -0.01,
09/12 16Z,   0.80,   6.83,   7.74,  99.90,   0.11,
09/12 17Z,   0.80,   4.53,   5.39,  99.90,   0.06,
09/12 18Z,   0.90,   2.58,   3.33,  99.90,  -0.15,
09/12 19Z,   0.90,   1.62,   2.33,  99.90,  -0.19,  (min)
09/12 20Z,   0.90,   1.97,   2.64,  99.90,  -0.23,
09/12 21Z,   0.90,   3.48,   4.23,  99.90,  -0.15,
09/12 22Z,   0.90,   5.74,   6.43,  99.90,  -0.21,
09/12 23Z,   0.90,   8.19,   9.01,  99.90,  -0.08,
09/13 00Z,   1.00,  10.24,  11.13,  99.90,  -0.11,
09/13 01Z,   1.00,  11.37,  12.28,  99.90,  -0.09,  (max)
09/13 02Z,   1.00,  11.37,  12.12,  99.90,  -0.25,
09/13 03Z,   1.00,  10.31,  10.97,  99.90,  -0.34,
09/13 04Z,   1.00,   8.37,   9.23,  99.90,  -0.14,
09/13 05Z,   1.00,   5.89,   6.70,  99.90,  -0.19,
09/13 06Z,   1.00,   3.42,   4.22,  99.90,  -0.20,
09/13 07Z,   1.00,   1.69,   2.41,  99.90,  -0.28,
09/13 08Z,   1.00,   1.18,   1.94,  99.90,  -0.24,  (min)
09/13 09Z,   1.00,   1.97,   2.84,  99.90,  -0.13,
09/13 10Z,   1.00,   3.76,   4.61,  99.90,  -0.15,
09/13 11Z,   1.00,   6.05,   6.82,  99.90,  -0.23,
09/13 12Z,   0.90,   8.26,   9.06,  99.90,  -0.10,
09/13 13Z,   1.00,   9.82,  10.65,  99.90,  -0.17,
09/13 14Z,   1.00,  10.39,  11.23,  99.90,  -0.16,  (max)
09/13 15Z,   1.00,   9.96,  10.67,  99.90,  -0.29,
09/13 16Z,   1.00,   8.70,   9.50,  99.90,  -0.20,
09/13 17Z,   1.00,   6.87,   7.77,  99.90,  -0.10,
09/13 18Z,   1.00,   4.91,   5.68,  99.90,  -0.23,
09/13 19Z,   1.00,   3.42,   4.06,  99.90,  -0.36,
09/13 20Z,   1.00,   2.93,   3.52,  99.90,  -0.41,  (min)
09/13 21Z,   1.00,   3.60,   4.18,  99.90,  -0.42,
09/13 22Z,   1.00,   5.20,   5.77,  99.90,  -0.43,
09/13 23Z,   0.90,   7.28,   7.87,  99.90,  -0.31,
09/14 00Z,   1.00,   9.34,   9.98,  99.90,  -0.36,
09/14 01Z,   1.00,  10.81,  11.58,  99.90,  -0.23,
09/14 02Z,   1.00,  11.30,  12.08,  99.90,  -0.22,  (max)
09/14 03Z,   1.00,  10.68,  11.35,  99.90,  -0.33,
09/14 04Z,   1.00,   9.10,   9.89,  99.90,  -0.21,
09/14 05Z,   1.00,   6.82,   7.71,  99.90,  -0.11,
09/14 06Z,   1.00,   4.25,   5.01,  99.90,  -0.24,
09/14 07Z,   1.00,   1.98,   2.72,  99.90,  -0.26,
09/14 08Z,   1.00,   0.68,   1.46,  99.90,  -0.22,  (min)
09/14 09Z,   0.90,   0.70,   1.47,  99.90,  -0.13,
09/14 10Z,   0.90,   1.94,   2.76,  99.90,  -0.08,
09/14 11Z,   0.90,   4.00,   4.64,  99.90,  -0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 12Z,   0.90,   6.36,  99.90,   7.01,  -0.25,
09/14 13Z,   0.90,   8.48,  99.90,   9.13,  -0.24,
09/14 14Z,   0.90,   9.86,  99.90,  10.52,  -0.23,
09/14 15Z,   0.90,  10.27,  99.90,  10.95,  -0.23,  (max)
09/14 16Z,   0.90,   9.80,  99.90,  10.48,  -0.22,
09/14 17Z,   0.80,   8.64,  99.90,   9.23,  -0.21,
09/14 18Z,   0.80,   7.07,  99.90,   7.67,  -0.20,
09/14 19Z,   0.80,   5.51,  99.90,   6.12,  -0.19,
09/14 20Z,   0.80,   4.48,  99.90,   5.09,  -0.19,
09/14 21Z,   0.80,   4.37,  99.90,   4.99,  -0.18,  (min)
09/14 22Z,   0.80,   5.21,  99.90,   5.84,  -0.17,
09/14 23Z,   0.80,   6.70,  99.90,   7.34,  -0.16,
09/15 00Z,   0.80,   8.44,  99.90,   9.08,  -0.16,
09/15 01Z,   0.80,   9.98,  99.90,  10.61,  -0.16,
09/15 02Z,   0.80,  10.85,  99.90,  11.49,  -0.16,  (max)
09/15 03Z,   0.80,  10.75,  99.90,  11.38,  -0.16,
09/15 04Z,   0.80,   9.64,  99.90,  10.27,  -0.16,
09/15 05Z,   0.80,   7.73,  99.90,   8.36,  -0.16,
09/15 06Z,   0.80,   5.33,  99.90,   5.96,  -0.16,
09/15 07Z,   0.80,   2.87,  99.90,   3.51,  -0.16,
09/15 08Z,   0.80,   0.97,  99.90,   1.61,  -0.16,
09/15 09Z,   0.80,   0.17,  99.90,   0.81,  -0.16,  (min)
09/15 10Z,   0.80,   0.66,  99.90,   1.30,  -0.16,
09/15 11Z,   0.80,   2.22,  99.90,   2.86,  -0.16,
09/15 12Z,   0.80,   4.40,  99.90,   5.04,  -0.16,
09/15 13Z,   0.80,   6.70,  99.90,   7.34,  -0.16,
09/15 14Z,   0.80,   8.63,  99.90,   9.27,  -0.16,
09/15 15Z,   0.80,   9.81,  99.90,  10.45,  -0.16,
09/15 16Z,   0.80,  10.10,  99.90,  10.74,  -0.16,  (max)
09/15 17Z,   0.90,   9.65,  99.90,  10.39,  -0.16,
09/15 18Z,   0.90,   8.68,  99.90,   9.41,  -0.16,
09/15 19Z,   0.90,   7.43,  99.90,   8.17,  -0.16,
09/15 20Z,   0.80,   6.27,  99.90,   6.91,  -0.16,
09/15 21Z,   0.80,   5.63,  99.90,   6.26,  -0.16,  (min)
09/15 22Z,   0.80,   5.75,  99.90,   6.38,  -0.16,
09/15 23Z,   0.80,   6.56,  99.90,   7.20,  -0.16,
09/16 00Z,   0.80,   7.78,  99.90,   8.41,  -0.16,
09/16 01Z,   0.80,   9.07,  99.90,   9.70,  -0.16,
09/16 02Z,   0.80,  10.07,  99.90,  10.70,  -0.16,
09/16 03Z,   0.80,  10.41,  99.90,  11.05,  -0.16,  (max)
09/16 04Z,   0.80,   9.86,  99.90,  10.50,  -0.16,
09/16 05Z,   0.80,   8.45,  99.90,   9.09,  -0.16,
09/16 06Z,   0.80,   6.43,  99.90,   7.07,  -0.16,
09/16 07Z,   0.80,   4.11,  99.90,   4.75,  -0.16,
09/16 08Z,   0.80,   1.95,  99.90,   2.59,  -0.16,
09/16 09Z,   0.80,   0.48,  99.90,   1.12,  -0.16,
09/16 10Z,   0.80,   0.14,  99.90,   0.78,  -0.16,  (min)
09/16 11Z,   0.80,   0.98,  99.90,   1.62,  -0.16,
09/16 12Z,   0.80,   2.69,  99.90,   3.33,  -0.16,
09/16 13Z,   0.70,   4.83,  99.90,   5.36,  -0.16,
09/16 14Z,   0.70,   6.96,  99.90,   7.50,  -0.16,
09/16 15Z,   0.70,   8.67,  99.90,   9.21,  -0.16,
09/16 16Z,   0.70,   9.67,  99.90,  10.20,  -0.16,
09/16 17Z,   0.70,   9.90,  99.90,  10.44,  -0.16,  (max)
09/16 18Z,   0.70,   9.55,  99.90,  10.09,  -0.16,
09/16 19Z,   0.70,   8.81,  99.90,   9.35,  -0.16,
09/16 20Z,   0.70,   7.90,  99.90,   8.43,  -0.16,
09/16 21Z,   0.70,   7.08,  99.90,   7.62,  -0.16,
09/16 22Z,   0.70,   6.69,  99.90,   7.23,  -0.16,  (min)
09/16 23Z,   0.70,   6.86,  99.90,   7.40,  -0.16,
09/17 00Z,   0.70,   7.49,  99.90,   8.03,  -0.16,
09/17 01Z,   0.70,   8.33,  99.90,   8.87,  -0.16,
09/17 02Z,   0.70,   9.16,  99.90,   9.70,  -0.16,
09/17 03Z,   0.70,   9.71,  99.90,  10.25,  -0.16,  (max)
09/17 04Z,   0.70,   9.67,  99.90,  10.21,  -0.16,
09/17 05Z,   0.70,   8.87,  99.90,   9.41,  -0.16,
09/17 06Z,   0.70,   7.38,  99.90,   7.91,  -0.16,
09/17 07Z,   0.70,   5.44,  99.90,   5.97,  -0.16,
09/17 08Z,   0.70,   3.35,  99.90,   3.89,  -0.16,
09/17 09Z,   0.70,   1.54,  99.90,   2.07,  -0.16,
09/17 10Z,   0.70,   0.47,  99.90,   1.01,  -0.16,
09/17 11Z,   0.70,   0.46,  99.90,   1.00,  -0.16,  (min)
09/17 12Z,   0.70,   1.46,  99.90,   2.00,  -0.16,
09/17 13Z,   0.70,   3.15,  99.90,   3.68,  -0.16,
09/17 14Z,   0.70,   5.12,  99.90,   5.66,  -0.16,
09/17 15Z,   0.70,   7.04,  99.90,   7.58,  -0.16,
09/17 16Z,   0.70,   8.56,  99.90,   9.09,  -0.16,
09/17 17Z,   0.80,   9.44,  99.90,  10.08,  -0.16,
09/17 18Z,   0.80,   9.71,  99.90,  10.35,  -0.16,  (max)
09/17 19Z,   0.80,   9.52,  99.90,  10.16,  -0.16,
09/17 20Z,   0.80,   9.04,  99.90,   9.68,  -0.16,
09/17 21Z,   0.80,   8.40,  99.90,   9.04,  -0.16,
09/17 22Z,   0.80,   7.82,  99.90,   8.45,  -0.16,
09/17 23Z,   0.80,   7.52,  99.90,   8.16,  -0.16,  (min)
09/18 00Z,   0.80,   7.59,  99.90,   8.23,  -0.16,