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 10:21:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 18Z,   0.90,  -4.05,  -3.30,  99.90,  -0.15,
09/12 19Z,   0.90,  -5.01,  -4.30,  99.90,  -0.19,  (min)
09/12 20Z,   0.90,  -4.66,  -3.99,  99.90,  -0.23,
09/12 21Z,   0.90,  -3.15,  -2.40,  99.90,  -0.15,
09/12 22Z,   0.90,  -0.89,  -0.20,  99.90,  -0.21,
09/12 23Z,   0.90,   1.56,   2.38,  99.90,  -0.08,
09/13 00Z,   1.00,   3.61,   4.50,  99.90,  -0.11,
09/13 01Z,   1.00,   4.74,   5.65,  99.90,  -0.09,  (max)
09/13 02Z,   1.00,   4.74,   5.49,  99.90,  -0.25,
09/13 03Z,   1.00,   3.68,   4.34,  99.90,  -0.34,
09/13 04Z,   1.00,   1.74,   2.60,  99.90,  -0.14,
09/13 05Z,   1.00,  -0.74,   0.07,  99.90,  -0.19,
09/13 06Z,   1.00,  -3.21,  -2.41,  99.90,  -0.20,
09/13 07Z,   1.00,  -4.94,  -4.22,  99.90,  -0.28,
09/13 08Z,   1.00,  -5.45,  -4.69,  99.90,  -0.24,  (min)
09/13 09Z,   1.00,  -4.66,  -3.79,  99.90,  -0.13,
09/13 10Z,   1.00,  -2.87,  -2.02,  99.90,  -0.15,
09/13 11Z,   1.00,  -0.58,   0.19,  99.90,  -0.23,
09/13 12Z,   0.90,   1.63,   2.43,  99.90,  -0.10,
09/13 13Z,   1.00,   3.19,   4.02,  99.90,  -0.17,
09/13 14Z,   1.00,   3.76,   4.60,  99.90,  -0.16,  (max)
09/13 15Z,   1.00,   3.33,   4.04,  99.90,  -0.29,
09/13 16Z,   1.00,   2.07,   2.87,  99.90,  -0.20,
09/13 17Z,   1.00,   0.24,   1.14,  99.90,  -0.10,
09/13 18Z,   1.00,  -1.72,  -0.95,  99.90,  -0.23,
09/13 19Z,   1.00,  -3.21,  -2.57,  99.90,  -0.36,
09/13 20Z,   1.00,  -3.70,  -3.11,  99.90,  -0.41,  (min)
09/13 21Z,   1.00,  -3.03,  -2.45,  99.90,  -0.42,
09/13 22Z,   1.00,  -1.43,  -0.86,  99.90,  -0.43,
09/13 23Z,   0.90,   0.65,   1.24,  99.90,  -0.31,
09/14 00Z,   1.00,   2.71,   3.35,  99.90,  -0.36,
09/14 01Z,   1.00,   4.18,   4.95,  99.90,  -0.23,
09/14 02Z,   1.00,   4.67,   5.45,  99.90,  -0.22,  (max)
09/14 03Z,   1.00,   4.05,   4.72,  99.90,  -0.33,
09/14 04Z,   1.00,   2.47,   3.26,  99.90,  -0.21,
09/14 05Z,   1.00,   0.19,   1.08,  99.90,  -0.11,
09/14 06Z,   1.00,  -2.38,  -1.62,  99.90,  -0.24,
09/14 07Z,   1.00,  -4.65,  -3.91,  99.90,  -0.26,
09/14 08Z,   1.00,  -5.95,  -5.17,  99.90,  -0.22,  (min)
09/14 09Z,   0.90,  -5.93,  -5.16,  99.90,  -0.13,
09/14 10Z,   0.90,  -4.69,  -3.87,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 11Z,   0.90,  -2.63,  99.90,  -1.82,  -0.08,
09/14 12Z,   0.90,  -0.27,  99.90,   0.54,  -0.09,
09/14 13Z,   0.90,   1.85,  99.90,   2.65,  -0.10,
09/14 14Z,   0.90,   3.23,  99.90,   4.02,  -0.11,
09/14 15Z,   0.90,   3.64,  99.90,   4.43,  -0.12,  (max)
09/14 16Z,   0.90,   3.17,  99.90,   3.94,  -0.12,
09/14 17Z,   0.80,   2.01,  99.90,   2.68,  -0.13,
09/14 18Z,   0.80,   0.44,  99.90,   1.11,  -0.14,
09/14 19Z,   0.80,  -1.12,  99.90,  -0.46,  -0.15,
09/14 20Z,   0.80,  -2.15,  99.90,  -1.50,  -0.15,
09/14 21Z,   0.80,  -2.26,  99.90,  -1.62,  -0.16,  (min)
09/14 22Z,   0.80,  -1.42,  99.90,  -0.79,  -0.17,
09/14 23Z,   0.80,   0.07,  99.90,   0.70,  -0.17,
09/15 00Z,   0.80,   1.81,  99.90,   2.44,  -0.17,
09/15 01Z,   0.80,   3.35,  99.90,   3.98,  -0.17,
09/15 02Z,   0.80,   4.22,  99.90,   4.85,  -0.17,  (max)
09/15 03Z,   0.80,   4.12,  99.90,   4.75,  -0.17,
09/15 04Z,   0.80,   3.01,  99.90,   3.64,  -0.17,
09/15 05Z,   0.80,   1.10,  99.90,   1.73,  -0.17,
09/15 06Z,   0.80,  -1.30,  99.90,  -0.67,  -0.17,
09/15 07Z,   0.80,  -3.76,  99.90,  -3.12,  -0.17,
09/15 08Z,   0.80,  -5.66,  99.90,  -5.03,  -0.17,
09/15 09Z,   0.80,  -6.46,  99.90,  -5.83,  -0.17,  (min)
09/15 10Z,   0.80,  -5.97,  99.90,  -5.34,  -0.17,
09/15 11Z,   0.80,  -4.41,  99.90,  -3.77,  -0.17,
09/15 12Z,   0.80,  -2.23,  99.90,  -1.60,  -0.17,
09/15 13Z,   0.80,   0.07,  99.90,   0.70,  -0.17,
09/15 14Z,   0.80,   2.00,  99.90,   2.64,  -0.17,
09/15 15Z,   0.80,   3.18,  99.90,   3.81,  -0.17,
09/15 16Z,   0.80,   3.47,  99.90,   4.10,  -0.17,  (max)
09/15 17Z,   0.90,   3.02,  99.90,   3.75,  -0.17,
09/15 18Z,   0.90,   2.05,  99.90,   2.78,  -0.17,
09/15 19Z,   0.90,   0.80,  99.90,   1.53,  -0.17,
09/15 20Z,   0.80,  -0.36,  99.90,   0.27,  -0.17,
09/15 21Z,   0.80,  -1.00,  99.90,  -0.37,  -0.17,  (min)
09/15 22Z,   0.80,  -0.88,  99.90,  -0.25,  -0.17,
09/15 23Z,   0.80,  -0.07,  99.90,   0.56,  -0.17,
09/16 00Z,   0.80,   1.15,  99.90,   1.78,  -0.17,
09/16 01Z,   0.80,   2.44,  99.90,   3.07,  -0.17,
09/16 02Z,   0.80,   3.44,  99.90,   4.07,  -0.17,
09/16 03Z,   0.80,   3.78,  99.90,   4.41,  -0.17,  (max)
09/16 04Z,   0.80,   3.23,  99.90,   3.86,  -0.17,
09/16 05Z,   0.80,   1.82,  99.90,   2.45,  -0.17,
09/16 06Z,   0.80,  -0.20,  99.90,   0.43,  -0.17,
09/16 07Z,   0.80,  -2.52,  99.90,  -1.88,  -0.17,
09/16 08Z,   0.80,  -4.68,  99.90,  -4.05,  -0.17,
09/16 09Z,   0.80,  -6.15,  99.90,  -5.52,  -0.17,
09/16 10Z,   0.80,  -6.49,  99.90,  -5.86,  -0.17,  (min)
09/16 11Z,   0.80,  -5.65,  99.90,  -5.02,  -0.17,
09/16 12Z,   0.80,  -3.94,  99.90,  -3.31,  -0.17,
09/16 13Z,   0.70,  -1.80,  99.90,  -1.27,  -0.17,
09/16 14Z,   0.70,   0.33,  99.90,   0.86,  -0.17,
09/16 15Z,   0.70,   2.04,  99.90,   2.57,  -0.17,
09/16 16Z,   0.70,   3.04,  99.90,   3.57,  -0.17,
09/16 17Z,   0.70,   3.27,  99.90,   3.80,  -0.17,  (max)
09/16 18Z,   0.70,   2.92,  99.90,   3.45,  -0.17,
09/16 19Z,   0.70,   2.18,  99.90,   2.71,  -0.17,
09/16 20Z,   0.70,   1.27,  99.90,   1.80,  -0.17,
09/16 21Z,   0.70,   0.45,  99.90,   0.98,  -0.17,
09/16 22Z,   0.70,   0.06,  99.90,   0.59,  -0.17,  (min)
09/16 23Z,   0.70,   0.23,  99.90,   0.76,  -0.17,
09/17 00Z,   0.70,   0.86,  99.90,   1.39,  -0.17,
09/17 01Z,   0.70,   1.70,  99.90,   2.23,  -0.17,
09/17 02Z,   0.70,   2.53,  99.90,   3.06,  -0.17,
09/17 03Z,   0.70,   3.08,  99.90,   3.61,  -0.17,  (max)
09/17 04Z,   0.70,   3.04,  99.90,   3.57,  -0.17,
09/17 05Z,   0.70,   2.24,  99.90,   2.77,  -0.17,
09/17 06Z,   0.70,   0.75,  99.90,   1.28,  -0.17,
09/17 07Z,   0.70,  -1.19,  99.90,  -0.66,  -0.17,
09/17 08Z,   0.70,  -3.28,  99.90,  -2.75,  -0.17,
09/17 09Z,   0.70,  -5.09,  99.90,  -4.56,  -0.17,
09/17 10Z,   0.70,  -6.16,  99.90,  -5.63,  -0.17,
09/17 11Z,   0.70,  -6.17,  99.90,  -5.64,  -0.17,  (min)
09/17 12Z,   0.70,  -5.17,  99.90,  -4.64,  -0.17,
09/17 13Z,   0.70,  -3.48,  99.90,  -2.95,  -0.17,
09/17 14Z,   0.70,  -1.51,  99.90,  -0.98,  -0.17,
09/17 15Z,   0.70,   0.41,  99.90,   0.94,  -0.17,
09/17 16Z,   0.70,   1.93,  99.90,   2.46,  -0.17,
09/17 17Z,   0.80,   2.81,  99.90,   3.44,  -0.17,
09/17 18Z,   0.80,   3.08,  99.90,   3.71,  -0.17,  (max)
09/17 19Z,   0.80,   2.89,  99.90,   3.52,  -0.17,
09/17 20Z,   0.80,   2.41,  99.90,   3.04,  -0.17,
09/17 21Z,   0.80,   1.77,  99.90,   2.40,  -0.17,
09/17 22Z,   0.80,   1.19,  99.90,   1.82,  -0.17,
09/17 23Z,   0.80,   0.89,  99.90,   1.52,  -0.17,  (min)
09/18 00Z,   0.80,   0.96,  99.90,   1.59,  -0.17,
09/18 01Z,  99.90,   1.29,  99.90,  99.90,  -0.17,
09/18 02Z,  99.90,   1.75,  99.90,  99.90,  -0.17,
09/18 03Z,  99.90,   2.21,  99.90,  99.90,  -0.17,
09/18 04Z,  99.90,   2.46,  99.90,  99.90,  -0.17,
09/18 05Z,  99.90,   2.24,  99.90,  99.90,  -0.17,
09/18 06Z,  99.90,   1.39,  99.90,  99.90,  -0.17,