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 : 04/30/2025 11:21:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 12Z,   0.00,  12.03,  12.17,  99.90,   0.14,  (max)
04/28 13Z,   0.00,  11.42,  11.45,  99.90,   0.03,
04/28 14Z,   0.00,   9.58,   9.71,  99.90,   0.13,
04/28 15Z,   0.00,   6.80,   6.95,  99.90,   0.15,
04/28 16Z,   0.00,   3.51,   3.50,  99.90,  -0.01,
04/28 17Z,   0.00,   0.31,   0.29,  99.90,  -0.02,
04/28 18Z,   0.00,  -2.04,  -2.11,  99.90,  -0.07,
04/28 19Z,   0.00,  -2.85,  -3.07,  99.90,  -0.22,  (min)
04/28 20Z,   0.00,  -1.90,  -1.92,  99.90,  -0.02,
04/28 21Z,   0.00,   0.47,   0.39,  99.90,  -0.08,
04/28 22Z,   0.00,   3.64,   3.42,  99.90,  -0.22,
04/28 23Z,   0.00,   6.91,   6.53,  99.90,  -0.38,
04/29 00Z,   0.00,   9.63,   9.04,  99.90,  -0.59,
04/29 01Z,   0.00,  11.33,  10.56,  99.90,  -0.77,
04/29 02Z,   0.00,  11.90,  11.10,  99.90,  -0.80,  (max)
04/29 03Z,   0.00,  11.47,  10.66,  99.90,  -0.81,
04/29 04Z,   0.00,  10.28,   9.74,  99.90,  -0.54,
04/29 05Z,   0.00,   8.65,   8.41,  99.90,  -0.24,
04/29 06Z,   0.00,   7.08,   7.01,  99.90,  -0.07,
04/29 07Z,   0.00,   6.14,   6.20,  99.90,   0.06,  (min)
04/29 08Z,   0.00,   6.22,   6.43,  99.90,   0.21,
04/29 09Z,   0.00,   7.24,   7.56,  99.90,   0.32,
04/29 10Z,   0.00,   8.83,   9.11,  99.90,   0.28,
04/29 11Z,   0.00,  10.46,  10.74,  99.90,   0.28,
04/29 12Z,   0.00,  11.59,  11.91,  99.90,   0.32,
04/29 13Z,   0.00,  11.75,  12.00,  99.90,   0.25,  (max)
04/29 14Z,   0.00,  10.68,  10.93,  99.90,   0.25,
04/29 15Z,   0.00,   8.48,   8.84,  99.90,   0.36,
04/29 16Z,   0.00,   5.46,   5.74,  99.90,   0.28,
04/29 17Z,   0.00,   2.10,   2.18,  99.90,   0.08,
04/29 18Z,   0.10,  -0.97,  -0.88,  99.90,  -0.01,
04/29 19Z,   0.10,  -2.97,  -2.98,  99.90,  -0.11,
04/29 20Z,   0.10,  -3.31,  -3.27,  99.90,  -0.06,  (min)
04/29 21Z,   0.10,  -1.91,  -1.68,  99.90,   0.13,
04/29 22Z,   0.10,   0.80,   0.84,  99.90,  -0.06,
04/29 23Z,   0.10,   4.13,   4.08,  99.90,  -0.15,
04/30 00Z,   0.20,   7.40,   7.20,  99.90,  -0.40,
04/30 01Z,   0.20,  10.02,   9.60,  99.90,  -0.62,
04/30 02Z,   0.20,  11.60,  11.10,  99.90,  -0.70,
04/30 03Z,   0.20,  12.09,  11.60,  99.90,  -0.69,  (max)
04/30 04Z,   0.20,  11.66,  11.24,  99.90,  -0.62,
04/30 05Z,   0.20,  10.55,  10.36,  99.90,  -0.39,
04/30 06Z,   0.20,   9.05,   9.12,  99.90,  -0.13,
04/30 07Z,   0.20,   7.65,   7.78,  99.90,  -0.07,
04/30 08Z,   0.20,   6.88,   7.05,  99.90,  -0.03,  (min)
04/30 09Z,   0.20,   7.03,   7.24,  99.90,   0.01,
04/30 10Z,   0.20,   7.96,   8.13,  99.90,  -0.03,
04/30 11Z,   0.10,   9.30,   9.35,  99.90,  -0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/30 12Z,   0.10,  10.58,  99.90,  10.62,  -0.05,
04/30 13Z,   0.10,  11.32,  99.90,  11.37,  -0.06,  (max)
04/30 14Z,   0.10,  11.12,  99.90,  11.15,  -0.07,
04/30 15Z,   0.10,   9.78,  99.90,   9.81,  -0.07,
04/30 16Z,   0.10,   7.43,  99.90,   7.46,  -0.08,
04/30 17Z,   0.10,   4.42,  99.90,   4.43,  -0.08,
04/30 18Z,   0.10,   1.20,  99.90,   1.21,  -0.09,
04/30 19Z,   0.10,  -1.58,  99.90,  -1.57,  -0.10,
04/30 20Z,   0.10,  -3.18,  99.90,  -3.18,  -0.10,  (min)
04/30 21Z,   0.10,  -3.11,  99.90,  -3.12,  -0.11,
04/30 22Z,   0.10,  -1.42,  99.90,  -1.44,  -0.11,
04/30 23Z,   0.10,   1.38,  99.90,   1.36,  -0.12,
05/01 00Z,   0.10,   4.65,  99.90,   4.63,  -0.12,
05/01 01Z,   0.10,   7.75,  99.90,   7.73,  -0.12,
05/01 02Z,   0.10,  10.17,  99.90,  10.15,  -0.12,
05/01 03Z,   0.10,  11.59,  99.90,  11.57,  -0.12,
05/01 04Z,   0.10,  12.02,  99.90,  12.00,  -0.12,  (max)
05/01 05Z,   0.10,  11.63,  99.90,  11.61,  -0.12,
05/01 06Z,   0.10,  10.63,  99.90,  10.61,  -0.12,
05/01 07Z,   0.10,   9.28,  99.90,   9.26,  -0.12,
05/01 08Z,   0.10,   8.05,  99.90,   8.03,  -0.12,
05/01 09Z,   0.10,   7.39,  99.90,   7.37,  -0.12,  (min)
05/01 10Z,   0.10,   7.50,  99.90,   7.48,  -0.12,
05/01 11Z,   0.10,   8.25,  99.90,   8.23,  -0.12,
05/01 12Z,   0.10,   9.29,  99.90,   9.27,  -0.12,
05/01 13Z,   0.10,  10.24,  99.90,  10.22,  -0.12,
05/01 14Z,   0.10,  10.70,  99.90,  10.68,  -0.12,  (max)
05/01 15Z,   0.10,  10.29,  99.90,  10.27,  -0.12,
05/01 16Z,   0.10,   8.88,  99.90,   8.86,  -0.12,
05/01 17Z,   0.10,   6.61,  99.90,   6.59,  -0.12,
05/01 18Z,   0.20,   3.79,  99.90,   3.87,  -0.12,
05/01 19Z,   0.20,   0.87,  99.90,   0.95,  -0.12,
05/01 20Z,   0.20,  -1.53,  99.90,  -1.45,  -0.12,
05/01 21Z,   0.20,  -2.74,  99.90,  -2.66,  -0.12,  (min)
05/01 22Z,   0.20,  -2.40,  99.90,  -2.32,  -0.12,
05/01 23Z,   0.20,  -0.63,  99.90,  -0.55,  -0.12,
05/02 00Z,   0.20,   2.06,  99.90,   2.14,  -0.12,
05/02 01Z,   0.20,   5.09,  99.90,   5.17,  -0.12,
05/02 02Z,   0.20,   7.91,  99.90,   7.99,  -0.12,
05/02 03Z,   0.20,  10.08,  99.90,  10.16,  -0.12,
05/02 04Z,   0.20,  11.36,  99.90,  11.44,  -0.12,
05/02 05Z,   0.20,  11.77,  99.90,  11.85,  -0.12,  (max)
05/02 06Z,   0.30,  11.46,  99.90,  11.64,  -0.12,
05/02 07Z,   0.30,  10.58,  99.90,  10.76,  -0.12,
05/02 08Z,   0.30,   9.38,  99.90,   9.56,  -0.12,
05/02 09Z,   0.30,   8.26,  99.90,   8.44,  -0.12,
05/02 10Z,   0.30,   7.62,  99.90,   7.80,  -0.12,
05/02 11Z,   0.30,   7.61,  99.90,   7.79,  -0.12,  (min)
05/02 12Z,   0.30,   8.10,  99.90,   8.28,  -0.12,
05/02 13Z,   0.30,   8.84,  99.90,   9.02,  -0.12,
05/02 14Z,   0.30,   9.54,  99.90,   9.72,  -0.12,
05/02 15Z,   0.30,   9.84,  99.90,  10.02,  -0.12,  (max)
05/02 16Z,   0.30,   9.40,  99.90,   9.58,  -0.12,
05/02 17Z,   0.30,   8.11,  99.90,   8.29,  -0.12,
05/02 18Z,   0.30,   6.09,  99.90,   6.27,  -0.12,
05/02 19Z,   0.30,   3.61,  99.90,   3.79,  -0.12,
05/02 20Z,   0.30,   1.08,  99.90,   1.26,  -0.12,
05/02 21Z,   0.30,  -0.93,  99.90,  -0.75,  -0.12,
05/02 22Z,   0.40,  -1.85,  99.90,  -1.57,  -0.12,  (min)
05/02 23Z,   0.40,  -1.39,  99.90,  -1.11,  -0.12,
05/03 00Z,   0.40,   0.27,  99.90,   0.55,  -0.12,
05/03 01Z,   0.40,   2.70,  99.90,   2.98,  -0.12,
05/03 02Z,   0.40,   5.40,  99.90,   5.68,  -0.12,
05/03 03Z,   0.40,   7.92,  99.90,   8.20,  -0.12,
05/03 04Z,   0.40,   9.86,  99.90,  10.14,  -0.12,
05/03 05Z,   0.50,  11.04,  99.90,  11.42,  -0.12,
05/03 06Z,   0.50,  11.46,  99.90,  11.84,  -0.12,  (max)
05/03 07Z,   0.50,  11.24,  99.90,  11.62,  -0.12,
05/03 08Z,   0.50,  10.47,  99.90,  10.85,  -0.12,
05/03 09Z,   0.50,   9.36,  99.90,   9.74,  -0.12,
05/03 10Z,   0.40,   8.26,  99.90,   8.54,  -0.12,
05/03 11Z,   0.40,   7.54,  99.90,   7.82,  -0.12,
05/03 12Z,   0.40,   7.32,  99.90,   7.60,  -0.12,  (min)
05/03 13Z,   0.40,   7.54,  99.90,   7.82,  -0.12,
05/03 14Z,   0.40,   8.04,  99.90,   8.32,  -0.12,
05/03 15Z,   0.40,   8.60,  99.90,   8.88,  -0.12,
05/03 16Z,   0.40,   8.89,  99.90,   9.17,  -0.12,  (max)
05/03 17Z,   0.50,   8.58,  99.90,   8.96,  -0.12,
05/03 18Z,   0.50,   7.55,  99.90,   7.93,  -0.12,
05/03 19Z,   0.50,   5.89,  99.90,   6.27,  -0.12,
05/03 20Z,   0.50,   3.83,  99.90,   4.21,  -0.12,
05/03 21Z,   0.50,   1.70,  99.90,   2.08,  -0.12,
05/03 22Z,   0.50,   0.02,  99.90,   0.40,  -0.12,
05/03 23Z,   0.50,  -0.72,  99.90,  -0.34,  -0.12,  (min)
05/04 00Z,   0.50,  -0.28,  99.90,   0.10,  -0.12,