EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
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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 : 10/13/2026 00:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 06Z,   1.10,   0.34,   1.21,  99.90,  -0.23,
10/11 07Z,   1.10,  -0.03,   0.81,  99.90,  -0.26,  (min)
10/11 08Z,   1.10,   0.95,   1.96,  99.90,  -0.09,
10/11 09Z,   1.10,   2.98,   3.93,  99.90,  -0.15,
10/11 10Z,   1.10,   5.54,   6.46,  99.90,  -0.18,
10/11 11Z,   1.10,   8.02,   8.90,  99.90,  -0.22,
10/11 12Z,   1.10,   9.84,  10.71,  99.90,  -0.23,
10/11 13Z,   1.10,  10.70,  11.45,  99.90,  -0.35,  (max)
10/11 14Z,   1.10,  10.60,  11.23,  99.90,  -0.47,
10/11 15Z,   1.10,   9.65,  10.25,  99.90,  -0.50,
10/11 16Z,   1.10,   8.08,   8.89,  99.90,  -0.29,
10/11 17Z,   1.10,   6.31,   7.05,  99.90,  -0.36,
10/11 18Z,   1.20,   4.94,   5.55,  99.90,  -0.59,
10/11 19Z,   1.20,   4.47,   5.02,  99.90,  -0.65,  (min)
10/11 20Z,   1.20,   5.03,   5.58,  99.90,  -0.65,
10/11 21Z,   1.20,   6.40,   6.94,  99.90,  -0.66,
10/11 22Z,   1.20,   8.20,   8.72,  99.90,  -0.68,
10/11 23Z,   1.20,   9.90,  10.47,  99.90,  -0.63,
10/12 00Z,   1.10,  10.96,  11.68,  99.90,  -0.38,
10/12 01Z,   1.10,  11.02,  11.82,  99.90,  -0.30,  (max)
10/12 02Z,   1.10,  10.00,  10.81,  99.90,  -0.29,
10/12 03Z,   1.10,   8.08,   8.99,  99.90,  -0.19,
10/12 04Z,   1.10,   5.52,   6.42,  99.90,  -0.20,
10/12 05Z,   1.10,   2.77,   3.59,  99.90,  -0.28,
10/12 06Z,   1.00,   0.51,   1.34,  99.90,  -0.17,
10/12 07Z,   1.00,  -0.63,   0.15,  99.90,  -0.22,  (min)
10/12 08Z,   1.00,  -0.33,   0.54,  99.90,  -0.13,
10/12 09Z,   1.00,   1.24,   2.12,  99.90,  -0.12,
10/12 10Z,   1.00,   3.66,   4.39,  99.90,  -0.27,
10/12 11Z,   1.00,   6.37,   7.06,  99.90,  -0.31,
10/12 12Z,   1.10,   8.77,   9.40,  99.90,  -0.47,
10/12 13Z,   1.00,  10.36,  10.91,  99.90,  -0.45,
10/12 14Z,   1.00,  10.98,  11.41,  99.90,  -0.57,  (max)
10/12 15Z,   1.00,  10.70,  11.00,  99.90,  -0.70,
10/12 16Z,   1.00,   9.70,  10.09,  99.90,  -0.61,
10/12 17Z,   1.00,   8.23,   8.72,  99.90,  -0.51,
10/12 18Z,   1.00,   6.72,   7.11,  99.90,  -0.61,
10/12 19Z,   1.00,   5.71,   6.01,  99.90,  -0.70,
10/12 20Z,   1.00,   5.56,   5.78,  99.90,  -0.78,  (min)
10/12 21Z,   1.00,   6.27,   6.54,  99.90,  -0.73,
10/12 22Z,   1.00,   7.58,   7.86,  99.90,  -0.72,
10/12 23Z,   1.00,   9.08,   9.35,  99.90,  -0.73,
10/13 00Z,   1.00,  10.30,  10.70,  99.90,  -0.60,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 01Z,   1.00,  10.78,  99.90,  11.19,  -0.58,  (max)
10/13 02Z,   1.00,  10.24,  99.90,  10.67,  -0.56,
10/13 03Z,   1.00,   8.73,  99.90,   9.18,  -0.55,
10/13 04Z,   1.00,   6.48,  99.90,   6.96,  -0.53,
10/13 05Z,   1.00,   3.84,  99.90,   4.33,  -0.51,
10/13 06Z,   1.00,   1.29,  99.90,   1.80,  -0.49,
10/13 07Z,   1.00,  -0.50,  99.90,   0.03,  -0.47,
10/13 08Z,   1.00,  -0.99,  99.90,  -0.44,  -0.46,  (min)
10/13 09Z,   1.00,  -0.07,  99.90,   0.50,  -0.44,
10/13 10Z,   1.00,   1.96,  99.90,   2.54,  -0.42,
10/13 11Z,   1.00,   4.59,  99.90,   5.19,  -0.40,
10/13 12Z,   1.00,   7.26,  99.90,   7.87,  -0.38,
10/13 13Z,   1.00,   9.42,  99.90,  10.04,  -0.38,
10/13 14Z,   1.00,  10.72,  99.90,  11.34,  -0.38,
10/13 15Z,   1.00,  11.09,  99.90,  11.70,  -0.38,  (max)
10/13 16Z,   1.00,  10.67,  99.90,  11.29,  -0.38,
10/13 17Z,   1.00,   9.68,  99.90,  10.30,  -0.38,
10/13 18Z,   1.00,   8.37,  99.90,   8.98,  -0.38,
10/13 19Z,   1.00,   7.14,  99.90,   7.76,  -0.38,
10/13 20Z,   1.00,   6.45,  99.90,   7.07,  -0.38,
10/13 21Z,   0.90,   6.53,  99.90,   7.04,  -0.38,  (min)
10/13 22Z,   0.90,   7.27,  99.90,   7.78,  -0.38,
10/13 23Z,   0.90,   8.37,  99.90,   8.89,  -0.38,
10/14 00Z,   0.90,   9.49,  99.90,  10.01,  -0.38,
10/14 01Z,   0.90,  10.22,  99.90,  10.73,  -0.38,  (max)
10/14 02Z,   0.90,  10.17,  99.90,  10.69,  -0.38,
10/14 03Z,   0.90,   9.19,  99.90,   9.71,  -0.38,
10/14 04Z,   0.90,   7.39,  99.90,   7.90,  -0.38,
10/14 05Z,   0.90,   5.03,  99.90,   5.55,  -0.38,
10/14 06Z,   0.90,   2.51,  99.90,   3.03,  -0.38,
10/14 07Z,   0.90,   0.33,  99.90,   0.85,  -0.38,
10/14 08Z,   0.90,  -0.89,  99.90,  -0.38,  -0.38,  (min)
10/14 09Z,   0.90,  -0.78,  99.90,  -0.26,  -0.38,
10/14 10Z,   0.90,   0.62,  99.90,   1.14,  -0.38,
10/14 11Z,   0.90,   2.90,  99.90,   3.41,  -0.38,
10/14 12Z,   0.90,   5.53,  99.90,   6.05,  -0.38,
10/14 13Z,   0.90,   8.00,  99.90,   8.52,  -0.38,
10/14 14Z,   0.90,   9.87,  99.90,  10.38,  -0.38,
10/14 15Z,   0.90,  10.86,  99.90,  11.38,  -0.38,
10/14 16Z,   0.90,  11.01,  99.90,  11.53,  -0.38,  (max)
10/14 17Z,   0.90,  10.53,  99.90,  11.04,  -0.38,
10/14 18Z,   0.90,   9.61,  99.90,  10.12,  -0.38,
10/14 19Z,   0.90,   8.49,  99.90,   9.00,  -0.38,
10/14 20Z,   0.90,   7.53,  99.90,   8.05,  -0.38,
10/14 21Z,   0.90,   7.09,  99.90,   7.61,  -0.38,  (min)
10/14 22Z,   0.90,   7.27,  99.90,   7.79,  -0.38,
10/14 23Z,   0.80,   7.91,  99.90,   8.32,  -0.38,
10/15 00Z,   0.80,   8.73,  99.90,   9.14,  -0.38,
10/15 01Z,   0.80,   9.45,  99.90,   9.87,  -0.38,
10/15 02Z,   0.80,   9.75,  99.90,  10.17,  -0.38,  (max)
10/15 03Z,   0.80,   9.33,  99.90,   9.75,  -0.38,
10/15 04Z,   0.80,   8.10,  99.90,   8.51,  -0.38,
10/15 05Z,   0.80,   6.20,  99.90,   6.61,  -0.38,
10/15 06Z,   0.80,   3.93,  99.90,   4.35,  -0.38,
10/15 07Z,   0.80,   1.68,  99.90,   2.10,  -0.38,
10/15 08Z,   0.80,  -0.05,  99.90,   0.37,  -0.38,
10/15 09Z,   0.70,  -0.75,  99.90,  -0.43,  -0.38,  (min)
10/15 10Z,   0.70,  -0.17,  99.90,   0.15,  -0.38,
10/15 11Z,   0.70,   1.51,  99.90,   1.82,  -0.38,
10/15 12Z,   0.70,   3.82,  99.90,   4.13,  -0.38,
10/15 13Z,   0.70,   6.29,  99.90,   6.61,  -0.38,
10/15 14Z,   0.70,   8.48,  99.90,   8.80,  -0.38,
10/15 15Z,   0.70,  10.03,  99.90,  10.35,  -0.38,
10/15 16Z,   0.70,  10.78,  99.90,  11.09,  -0.38,
10/15 17Z,   0.70,  10.80,  99.90,  11.12,  -0.38,  (max)
10/15 18Z,   0.70,  10.32,  99.90,  10.64,  -0.38,
10/15 19Z,   0.70,   9.52,  99.90,   9.83,  -0.38,
10/15 20Z,   0.70,   8.60,  99.90,   8.92,  -0.38,
10/15 21Z,   0.70,   7.86,  99.90,   8.18,  -0.38,
10/15 22Z,   0.70,   7.56,  99.90,   7.88,  -0.38,  (min)
10/15 23Z,   0.70,   7.72,  99.90,   8.04,  -0.38,
10/16 00Z,   0.70,   8.16,  99.90,   8.48,  -0.38,
10/16 01Z,   0.70,   8.68,  99.90,   9.00,  -0.38,
10/16 02Z,   0.70,   9.08,  99.90,   9.39,  -0.38,
10/16 03Z,   0.70,   9.08,  99.90,   9.40,  -0.38,  (max)
10/16 04Z,   0.70,   8.46,  99.90,   8.78,  -0.38,
10/16 05Z,   0.70,   7.15,  99.90,   7.47,  -0.38,
10/16 06Z,   0.70,   5.33,  99.90,   5.65,  -0.38,
10/16 07Z,   0.70,   3.29,  99.90,   3.61,  -0.38,
10/16 08Z,   0.70,   1.38,  99.90,   1.69,  -0.38,
10/16 09Z,   0.70,   0.06,  99.90,   0.38,  -0.38,
10/16 10Z,   0.80,  -0.23,  99.90,   0.19,  -0.38,  (min)
10/16 11Z,   0.80,   0.62,  99.90,   1.04,  -0.38,
10/16 12Z,   0.80,   2.35,  99.90,   2.77,  -0.38,
10/16 13Z,   0.80,   4.53,  99.90,   4.95,  -0.38,
10/16 14Z,   0.80,   6.76,  99.90,   7.17,  -0.38,
10/16 15Z,   0.80,   8.66,  99.90,   9.08,  -0.38,
10/16 16Z,   0.80,   9.96,  99.90,  10.38,  -0.38,
10/16 17Z,   0.80,  10.55,  99.90,  10.96,  -0.38,  (max)
10/16 18Z,   0.80,  10.54,  99.90,  10.96,  -0.38,