EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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Alaska
Gulf of Alaska
Status
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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 : 09/12/2026 19:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 00Z,   0.80,  11.31,  11.78,  99.90,  -0.33,
09/11 01Z,   0.80,  11.50,  11.82,  99.90,  -0.48,  (max)
09/11 02Z,   0.80,  10.69,  10.91,  99.90,  -0.58,
09/11 03Z,   0.80,   9.00,   9.48,  99.90,  -0.32,
09/11 04Z,   0.80,   6.80,   7.35,  99.90,  -0.25,
09/11 05Z,   0.90,   4.71,   5.30,  99.90,  -0.31,
09/11 06Z,   0.70,   3.40,   4.02,  99.90,  -0.08,
09/11 07Z,   0.80,   3.22,   3.89,  99.90,  -0.13,  (min)
09/11 08Z,   0.80,   4.15,   5.00,  99.90,   0.05,
09/11 09Z,   0.80,   5.87,   6.68,  99.90,   0.01,
09/11 10Z,   0.80,   7.89,   8.66,  99.90,  -0.03,
09/11 11Z,   0.80,   9.57,  10.44,  99.90,   0.07,
09/11 12Z,   0.80,  10.42,  11.37,  99.90,   0.15,  (max)
09/11 13Z,   0.80,  10.20,  11.02,  99.90,   0.02,
09/11 14Z,   0.80,   8.96,   9.71,  99.90,  -0.05,
09/11 15Z,   0.80,   6.90,   7.72,  99.90,   0.02,
09/11 16Z,   0.80,   4.38,   5.16,  99.90,  -0.02,
09/11 17Z,   0.80,   2.05,   2.68,  99.90,  -0.17,
09/11 18Z,   0.90,   0.62,   1.17,  99.90,  -0.35,
09/11 19Z,   0.90,   0.55,   1.01,  99.90,  -0.44,  (min)
09/11 20Z,   0.90,   1.81,   2.34,  99.90,  -0.37,
09/11 21Z,   0.90,   4.04,   4.52,  99.90,  -0.42,
09/11 22Z,   0.90,   6.72,   7.25,  99.90,  -0.37,
09/11 23Z,   0.90,   9.20,   9.83,  99.90,  -0.27,
09/12 00Z,   0.90,  10.93,  11.58,  99.90,  -0.25,
09/12 01Z,   0.90,  11.58,  12.14,  99.90,  -0.34,  (max)
09/12 02Z,   0.90,  11.14,  11.52,  99.90,  -0.52,
09/12 03Z,   0.90,   9.72,  10.16,  99.90,  -0.46,
09/12 04Z,   0.90,   7.55,   8.19,  99.90,  -0.26,
09/12 05Z,   0.90,   5.11,   5.74,  99.90,  -0.27,
09/12 06Z,   0.80,   3.09,   3.74,  99.90,  -0.15,
09/12 07Z,   0.80,   2.12,   2.79,  99.90,  -0.13,  (min)
09/12 08Z,   0.90,   2.41,   3.16,  99.90,  -0.15,
09/12 09Z,   0.90,   3.79,   4.66,  99.90,  -0.03,
09/12 10Z,   0.80,   5.86,   6.67,  99.90,   0.01,
09/12 11Z,   0.90,   8.04,   8.88,  99.90,  -0.06,
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,   0.80,   2.58,   3.33,  99.90,  -0.05,
09/12 19Z,   0.80,   1.62,   2.33,  99.90,  -0.09,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 20Z,   0.80,   1.97,  99.90,   2.67,  -0.09,
09/12 21Z,   0.80,   3.48,  99.90,   4.18,  -0.10,
09/12 22Z,   0.80,   5.74,  99.90,   6.43,  -0.10,
09/12 23Z,   0.80,   8.19,  99.90,   8.88,  -0.11,
09/13 00Z,   0.90,  10.24,  99.90,  11.02,  -0.11,
09/13 01Z,   0.90,  11.37,  99.90,  12.15,  -0.12,  (max)
09/13 02Z,   0.90,  11.37,  99.90,  12.15,  -0.12,
09/13 03Z,   0.90,  10.31,  99.90,  11.08,  -0.13,
09/13 04Z,   0.90,   8.37,  99.90,   9.14,  -0.13,
09/13 05Z,   0.90,   5.89,  99.90,   6.65,  -0.13,
09/13 06Z,   0.90,   3.42,  99.90,   4.19,  -0.14,
09/13 07Z,   0.90,   1.69,  99.90,   2.44,  -0.14,
09/13 08Z,   0.90,   1.18,  99.90,   1.94,  -0.14,  (min)
09/13 09Z,   0.90,   1.97,  99.90,   2.73,  -0.14,
09/13 10Z,   0.90,   3.76,  99.90,   4.52,  -0.14,
09/13 11Z,   0.90,   6.05,  99.90,   6.80,  -0.14,
09/13 12Z,   0.90,   8.26,  99.90,   9.01,  -0.14,
09/13 13Z,   0.90,   9.82,  99.90,  10.57,  -0.14,
09/13 14Z,   0.90,  10.39,  99.90,  11.15,  -0.14,  (max)
09/13 15Z,   0.90,   9.96,  99.90,  10.72,  -0.14,
09/13 16Z,   0.90,   8.70,  99.90,   9.46,  -0.14,
09/13 17Z,   0.90,   6.87,  99.90,   7.63,  -0.14,
09/13 18Z,   1.00,   4.91,  99.90,   5.77,  -0.14,
09/13 19Z,   1.00,   3.42,  99.90,   4.27,  -0.14,
09/13 20Z,   0.90,   2.93,  99.90,   3.68,  -0.14,  (min)
09/13 21Z,   0.90,   3.60,  99.90,   4.36,  -0.14,
09/13 22Z,   0.90,   5.20,  99.90,   5.96,  -0.14,
09/13 23Z,   0.90,   7.28,  99.90,   8.04,  -0.14,
09/14 00Z,   0.90,   9.34,  99.90,  10.09,  -0.14,
09/14 01Z,   0.90,  10.81,  99.90,  11.57,  -0.14,
09/14 02Z,   0.90,  11.30,  99.90,  12.06,  -0.14,  (max)
09/14 03Z,   0.90,  10.68,  99.90,  11.44,  -0.14,
09/14 04Z,   0.80,   9.10,  99.90,   9.76,  -0.14,
09/14 05Z,   0.80,   6.82,  99.90,   7.48,  -0.14,
09/14 06Z,   0.80,   4.25,  99.90,   4.90,  -0.14,
09/14 07Z,   0.80,   1.98,  99.90,   2.64,  -0.14,
09/14 08Z,   0.80,   0.68,  99.90,   1.34,  -0.14,  (min)
09/14 09Z,   0.80,   0.70,  99.90,   1.35,  -0.14,
09/14 10Z,   0.80,   1.94,  99.90,   2.59,  -0.14,
09/14 11Z,   0.80,   4.00,  99.90,   4.65,  -0.14,
09/14 12Z,   0.80,   6.36,  99.90,   7.02,  -0.14,
09/14 13Z,   0.80,   8.48,  99.90,   9.13,  -0.14,
09/14 14Z,   0.80,   9.86,  99.90,  10.51,  -0.14,
09/14 15Z,   0.80,  10.27,  99.90,  10.93,  -0.14,  (max)
09/14 16Z,   0.70,   9.80,  99.90,  10.35,  -0.14,
09/14 17Z,   0.70,   8.64,  99.90,   9.20,  -0.14,
09/14 18Z,   0.70,   7.07,  99.90,   7.63,  -0.14,
09/14 19Z,   0.70,   5.51,  99.90,   6.07,  -0.14,
09/14 20Z,   0.70,   4.48,  99.90,   5.04,  -0.14,
09/14 21Z,   0.70,   4.37,  99.90,   4.93,  -0.14,  (min)
09/14 22Z,   0.70,   5.21,  99.90,   5.77,  -0.14,
09/14 23Z,   0.70,   6.70,  99.90,   7.26,  -0.14,
09/15 00Z,   0.70,   8.44,  99.90,   9.00,  -0.14,
09/15 01Z,   0.70,   9.98,  99.90,  10.53,  -0.14,
09/15 02Z,   0.70,  10.85,  99.90,  11.41,  -0.14,  (max)
09/15 03Z,   0.70,  10.75,  99.90,  11.30,  -0.14,
09/15 04Z,   0.70,   9.64,  99.90,  10.19,  -0.14,
09/15 05Z,   0.70,   7.73,  99.90,   8.28,  -0.14,
09/15 06Z,   0.70,   5.33,  99.90,   5.88,  -0.14,
09/15 07Z,   0.70,   2.87,  99.90,   3.43,  -0.14,
09/15 08Z,   0.70,   0.97,  99.90,   1.53,  -0.14,
09/15 09Z,   0.70,   0.17,  99.90,   0.73,  -0.14,  (min)
09/15 10Z,   0.70,   0.66,  99.90,   1.22,  -0.14,
09/15 11Z,   0.70,   2.22,  99.90,   2.78,  -0.14,
09/15 12Z,   0.70,   4.40,  99.90,   4.96,  -0.14,
09/15 13Z,   0.70,   6.70,  99.90,   7.26,  -0.14,
09/15 14Z,   0.70,   8.63,  99.90,   9.19,  -0.14,
09/15 15Z,   0.70,   9.81,  99.90,  10.37,  -0.14,
09/15 16Z,   0.70,  10.10,  99.90,  10.66,  -0.14,  (max)
09/15 17Z,   0.70,   9.65,  99.90,  10.21,  -0.14,
09/15 18Z,   0.70,   8.68,  99.90,   9.23,  -0.14,
09/15 19Z,   0.70,   7.43,  99.90,   7.99,  -0.14,
09/15 20Z,   0.70,   6.27,  99.90,   6.83,  -0.14,
09/15 21Z,   0.70,   5.63,  99.90,   6.18,  -0.14,  (min)
09/15 22Z,   0.70,   5.75,  99.90,   6.30,  -0.14,
09/15 23Z,   0.70,   6.56,  99.90,   7.12,  -0.14,
09/16 00Z,   0.70,   7.78,  99.90,   8.33,  -0.14,
09/16 01Z,   0.70,   9.07,  99.90,   9.62,  -0.14,
09/16 02Z,   0.70,  10.07,  99.90,  10.62,  -0.14,
09/16 03Z,   0.70,  10.41,  99.90,  10.97,  -0.14,  (max)
09/16 04Z,   0.70,   9.86,  99.90,  10.42,  -0.14,
09/16 05Z,   0.70,   8.45,  99.90,   9.01,  -0.14,
09/16 06Z,   0.70,   6.43,  99.90,   6.99,  -0.14,
09/16 07Z,   0.70,   4.11,  99.90,   4.67,  -0.14,
09/16 08Z,   0.70,   1.95,  99.90,   2.51,  -0.14,
09/16 09Z,   0.70,   0.48,  99.90,   1.04,  -0.14,
09/16 10Z,   0.60,   0.14,  99.90,   0.60,  -0.14,  (min)
09/16 11Z,   0.60,   0.98,  99.90,   1.44,  -0.14,
09/16 12Z,   0.60,   2.69,  99.90,   3.15,  -0.14,