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
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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 17:21:13 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 00Z,   0.80,   4.68,   5.15,  99.90,  -0.33,
09/11 01Z,   0.80,   4.87,   5.19,  99.90,  -0.48,  (max)
09/11 02Z,   0.80,   4.06,   4.28,  99.90,  -0.58,
09/11 03Z,   0.80,   2.37,   2.85,  99.90,  -0.32,
09/11 04Z,   0.80,   0.17,   0.72,  99.90,  -0.25,
09/11 05Z,   0.90,  -1.92,  -1.33,  99.90,  -0.31,
09/11 06Z,   0.70,  -3.23,  -2.61,  99.90,  -0.08,
09/11 07Z,   0.80,  -3.41,  -2.74,  99.90,  -0.13,  (min)
09/11 08Z,   0.80,  -2.48,  -1.63,  99.90,   0.05,
09/11 09Z,   0.80,  -0.76,   0.05,  99.90,   0.01,
09/11 10Z,   0.80,   1.26,   2.03,  99.90,  -0.03,
09/11 11Z,   0.80,   2.94,   3.81,  99.90,   0.07,
09/11 12Z,   0.80,   3.79,   4.74,  99.90,   0.15,  (max)
09/11 13Z,   0.80,   3.57,   4.39,  99.90,   0.02,
09/11 14Z,   0.80,   2.33,   3.08,  99.90,  -0.05,
09/11 15Z,   0.80,   0.27,   1.09,  99.90,   0.02,
09/11 16Z,   0.80,  -2.25,  -1.47,  99.90,  -0.02,
09/11 17Z,   0.80,  -4.58,  -3.95,  99.90,  -0.17,
09/11 18Z,   0.90,  -6.01,  -5.46,  99.90,  -0.35,
09/11 19Z,   0.90,  -6.08,  -5.62,  99.90,  -0.44,  (min)
09/11 20Z,   0.90,  -4.82,  -4.29,  99.90,  -0.37,
09/11 21Z,   0.90,  -2.59,  -2.11,  99.90,  -0.42,
09/11 22Z,   0.90,   0.09,   0.62,  99.90,  -0.37,
09/11 23Z,   0.90,   2.57,   3.20,  99.90,  -0.27,
09/12 00Z,   0.90,   4.30,   4.95,  99.90,  -0.25,
09/12 01Z,   0.90,   4.95,   5.51,  99.90,  -0.34,  (max)
09/12 02Z,   0.90,   4.51,   4.89,  99.90,  -0.52,
09/12 03Z,   0.90,   3.09,   3.53,  99.90,  -0.46,
09/12 04Z,   0.90,   0.92,   1.56,  99.90,  -0.26,
09/12 05Z,   0.90,  -1.52,  -0.89,  99.90,  -0.27,
09/12 06Z,   0.80,  -3.54,  -2.89,  99.90,  -0.15,
09/12 07Z,   0.80,  -4.51,  -3.84,  99.90,  -0.13,  (min)
09/12 08Z,   0.90,  -4.22,  -3.47,  99.90,  -0.15,
09/12 09Z,   0.90,  -2.84,  -1.97,  99.90,  -0.03,
09/12 10Z,   0.80,  -0.77,   0.04,  99.90,   0.01,
09/12 11Z,   0.90,   1.41,   2.25,  99.90,  -0.06,
09/12 12Z,   0.80,   3.09,   4.03,  99.90,   0.14,
09/12 13Z,   0.80,   3.82,   4.73,  99.90,   0.11,  (max)
09/12 14Z,   0.80,   3.49,   4.23,  99.90,  -0.06,
09/12 15Z,   0.80,   2.20,   2.99,  99.90,  -0.01,
09/12 16Z,   0.80,   0.20,   1.11,  99.90,   0.11,
09/12 17Z,   0.80,  -2.10,  -1.24,  99.90,   0.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 18Z,   0.80,  -4.05,  99.90,  -3.21,   0.04,
09/12 19Z,   0.80,  -5.01,  99.90,  -4.19,   0.02,  (min)
09/12 20Z,   0.80,  -4.66,  99.90,  -3.86,   0.01,
09/12 21Z,   0.80,  -3.15,  99.90,  -2.36,  -0.01,
09/12 22Z,   0.80,  -0.89,  99.90,  -0.12,  -0.03,
09/12 23Z,   0.80,   1.56,  99.90,   2.32,  -0.04,
09/13 00Z,   0.90,   3.61,  99.90,   4.45,  -0.06,
09/13 01Z,   0.90,   4.74,  99.90,   5.56,  -0.08,  (max)
09/13 02Z,   0.90,   4.74,  99.90,   5.55,  -0.09,
09/13 03Z,   0.90,   3.68,  99.90,   4.47,  -0.11,
09/13 04Z,   0.90,   1.74,  99.90,   2.51,  -0.13,
09/13 05Z,   0.90,  -0.74,  99.90,   0.01,  -0.14,
09/13 06Z,   0.90,  -3.21,  99.90,  -2.45,  -0.14,
09/13 07Z,   0.90,  -4.94,  99.90,  -4.19,  -0.14,
09/13 08Z,   0.90,  -5.45,  99.90,  -4.69,  -0.14,  (min)
09/13 09Z,   0.90,  -4.66,  99.90,  -3.90,  -0.14,
09/13 10Z,   0.90,  -2.87,  99.90,  -2.12,  -0.14,
09/13 11Z,   0.90,  -0.58,  99.90,   0.17,  -0.14,
09/13 12Z,   0.90,   1.63,  99.90,   2.38,  -0.14,
09/13 13Z,   0.90,   3.19,  99.90,   3.94,  -0.14,
09/13 14Z,   0.90,   3.76,  99.90,   4.52,  -0.14,  (max)
09/13 15Z,   0.90,   3.33,  99.90,   4.09,  -0.14,
09/13 16Z,   0.90,   2.07,  99.90,   2.83,  -0.14,
09/13 17Z,   0.90,   0.24,  99.90,   1.00,  -0.14,
09/13 18Z,   1.00,  -1.72,  99.90,  -0.86,  -0.14,
09/13 19Z,   1.00,  -3.21,  99.90,  -2.36,  -0.14,
09/13 20Z,   0.90,  -3.70,  99.90,  -2.95,  -0.14,  (min)
09/13 21Z,   0.90,  -3.03,  99.90,  -2.27,  -0.14,
09/13 22Z,   0.90,  -1.43,  99.90,  -0.68,  -0.14,
09/13 23Z,   0.90,   0.65,  99.90,   1.41,  -0.14,
09/14 00Z,   0.90,   2.71,  99.90,   3.46,  -0.14,
09/14 01Z,   0.90,   4.18,  99.90,   4.94,  -0.14,
09/14 02Z,   0.90,   4.67,  99.90,   5.43,  -0.14,  (max)
09/14 03Z,   0.90,   4.05,  99.90,   4.81,  -0.14,
09/14 04Z,   0.80,   2.47,  99.90,   3.13,  -0.14,
09/14 05Z,   0.80,   0.19,  99.90,   0.85,  -0.14,
09/14 06Z,   0.80,  -2.38,  99.90,  -1.73,  -0.14,
09/14 07Z,   0.80,  -4.65,  99.90,  -3.99,  -0.14,
09/14 08Z,   0.80,  -5.95,  99.90,  -5.29,  -0.14,  (min)
09/14 09Z,   0.80,  -5.93,  99.90,  -5.28,  -0.14,
09/14 10Z,   0.80,  -4.69,  99.90,  -4.04,  -0.14,
09/14 11Z,   0.80,  -2.63,  99.90,  -1.98,  -0.14,
09/14 12Z,   0.80,  -0.27,  99.90,   0.39,  -0.14,
09/14 13Z,   0.80,   1.85,  99.90,   2.50,  -0.14,
09/14 14Z,   0.80,   3.23,  99.90,   3.88,  -0.14,
09/14 15Z,   0.80,   3.64,  99.90,   4.30,  -0.14,  (max)
09/14 16Z,   0.70,   3.17,  99.90,   3.72,  -0.14,
09/14 17Z,   0.70,   2.01,  99.90,   2.56,  -0.14,
09/14 18Z,   0.70,   0.44,  99.90,   1.00,  -0.14,
09/14 19Z,   0.70,  -1.12,  99.90,  -0.56,  -0.14,
09/14 20Z,   0.70,  -2.15,  99.90,  -1.59,  -0.14,
09/14 21Z,   0.70,  -2.26,  99.90,  -1.70,  -0.14,  (min)
09/14 22Z,   0.70,  -1.42,  99.90,  -0.87,  -0.14,
09/14 23Z,   0.70,   0.07,  99.90,   0.63,  -0.14,
09/15 00Z,   0.70,   1.81,  99.90,   2.36,  -0.14,
09/15 01Z,   0.70,   3.35,  99.90,   3.90,  -0.14,
09/15 02Z,   0.70,   4.22,  99.90,   4.78,  -0.14,  (max)
09/15 03Z,   0.70,   4.12,  99.90,   4.67,  -0.14,
09/15 04Z,   0.70,   3.01,  99.90,   3.56,  -0.14,
09/15 05Z,   0.70,   1.10,  99.90,   1.65,  -0.14,
09/15 06Z,   0.70,  -1.30,  99.90,  -0.75,  -0.14,
09/15 07Z,   0.70,  -3.76,  99.90,  -3.20,  -0.14,
09/15 08Z,   0.70,  -5.66,  99.90,  -5.10,  -0.14,
09/15 09Z,   0.70,  -6.46,  99.90,  -5.90,  -0.14,  (min)
09/15 10Z,   0.70,  -5.97,  99.90,  -5.41,  -0.14,
09/15 11Z,   0.70,  -4.41,  99.90,  -3.85,  -0.14,
09/15 12Z,   0.70,  -2.23,  99.90,  -1.67,  -0.14,
09/15 13Z,   0.70,   0.07,  99.90,   0.63,  -0.14,
09/15 14Z,   0.70,   2.00,  99.90,   2.56,  -0.14,
09/15 15Z,   0.70,   3.18,  99.90,   3.74,  -0.14,
09/15 16Z,   0.70,   3.47,  99.90,   4.03,  -0.14,  (max)
09/15 17Z,   0.70,   3.02,  99.90,   3.58,  -0.14,
09/15 18Z,   0.70,   2.05,  99.90,   2.60,  -0.14,
09/15 19Z,   0.70,   0.80,  99.90,   1.36,  -0.14,
09/15 20Z,   0.70,  -0.36,  99.90,   0.20,  -0.14,
09/15 21Z,   0.70,  -1.00,  99.90,  -0.45,  -0.14,  (min)
09/15 22Z,   0.70,  -0.88,  99.90,  -0.33,  -0.14,
09/15 23Z,   0.70,  -0.07,  99.90,   0.49,  -0.14,
09/16 00Z,   0.70,   1.15,  99.90,   1.70,  -0.14,
09/16 01Z,   0.70,   2.44,  99.90,   2.99,  -0.14,
09/16 02Z,   0.70,   3.44,  99.90,   3.99,  -0.14,
09/16 03Z,   0.70,   3.78,  99.90,   4.34,  -0.14,  (max)
09/16 04Z,   0.70,   3.23,  99.90,   3.79,  -0.14,
09/16 05Z,   0.70,   1.82,  99.90,   2.38,  -0.14,
09/16 06Z,   0.70,  -0.20,  99.90,   0.35,  -0.14,
09/16 07Z,   0.70,  -2.52,  99.90,  -1.96,  -0.14,
09/16 08Z,   0.70,  -4.68,  99.90,  -4.12,  -0.14,
09/16 09Z,   0.70,  -6.15,  99.90,  -5.59,  -0.14,
09/16 10Z,   0.60,  -6.49,  99.90,  -6.03,  -0.14,  (min)
09/16 11Z,   0.60,  -5.65,  99.90,  -5.19,  -0.14,
09/16 12Z,   0.60,  -3.94,  99.90,  -3.48,  -0.14,