EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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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 : 05/24/2025 07:20:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 12Z,   0.10,   6.78,   7.12,  99.90,   0.24,
05/22 13Z,   0.10,   4.92,   5.11,  99.90,   0.09,
05/22 14Z,   0.10,   3.60,   3.67,  99.90,  -0.03,
05/22 15Z,   0.10,   3.11,   3.10,  99.90,  -0.11,  (min)
05/22 16Z,   0.10,   3.44,   3.43,  99.90,  -0.11,
05/22 17Z,   0.10,   4.38,   4.31,  99.90,  -0.17,
05/22 18Z,   0.10,   5.66,   5.47,  99.90,  -0.29,
05/22 19Z,   0.10,   6.92,   6.80,  99.90,  -0.22,
05/22 20Z,   0.10,   7.75,   7.71,  99.90,  -0.14,
05/22 21Z,   0.10,   7.93,   7.96,  99.90,  -0.07,  (max)
05/22 22Z,   0.10,   7.44,   7.58,  99.90,   0.04,
05/22 23Z,   0.10,   6.47,   6.71,  99.90,   0.14,
05/23 00Z,   0.10,   5.22,   5.56,  99.90,   0.24,
05/23 01Z,   0.10,   4.00,   4.36,  99.90,   0.26,
05/23 02Z,   0.10,   3.27,   3.54,  99.90,   0.17,
05/23 03Z,   0.10,   3.38,   3.51,  99.90,   0.03,  (min)
05/23 04Z,   0.10,   4.40,   4.42,  99.90,  -0.08,
05/23 05Z,   0.10,   6.09,   5.96,  99.90,  -0.23,
05/23 06Z,   0.00,   8.09,   7.93,  99.90,  -0.16,
05/23 07Z,   0.00,   9.98,   9.87,  99.90,  -0.11,
05/23 08Z,   0.00,  11.30,  11.23,  99.90,  -0.07,
05/23 09Z,   0.00,  11.68,  11.67,  99.90,  -0.01,  (max)
05/23 10Z,   0.00,  11.06,  11.13,  99.90,   0.07,
05/23 11Z,   0.00,   9.57,   9.87,  99.90,   0.30,
05/23 12Z,   0.10,   7.47,   7.83,  99.90,   0.26,
05/23 13Z,   0.00,   5.09,   5.35,  99.90,   0.26,
05/23 14Z,   0.00,   2.93,   3.10,  99.90,   0.17,
05/23 15Z,   0.00,   1.55,   1.76,  99.90,   0.21,
05/23 16Z,   0.00,   1.25,   1.43,  99.90,   0.18,  (min)
05/23 17Z,   0.00,   1.99,   2.22,  99.90,   0.23,
05/23 18Z,   0.20,   3.49,   3.51,  99.90,  -0.18,
05/23 19Z,   0.20,   5.36,   5.38,  99.90,  -0.18,
05/23 20Z,   0.20,   7.14,   7.19,  99.90,  -0.15,
05/23 21Z,   0.20,   8.38,   8.43,  99.90,  -0.15,
05/23 22Z,   0.20,   8.85,   8.94,  99.90,  -0.11,  (max)
05/23 23Z,   0.20,   8.58,   8.68,  99.90,  -0.10,
05/24 00Z,   0.20,   7.73,   7.94,  99.90,   0.01,
05/24 01Z,   0.20,   6.52,   6.81,  99.90,   0.09,
05/24 02Z,   0.30,   5.29,   5.59,  99.90,  -0.00,
05/24 03Z,   0.30,   4.52,   4.74,  99.90,  -0.08,  (min)
05/24 04Z,   0.30,   4.60,   4.81,  99.90,  -0.09,
05/24 05Z,   0.30,   5.57,   5.67,  99.90,  -0.20,
05/24 06Z,   0.30,   7.20,   7.19,  99.90,  -0.31,
05/24 07Z,   0.30,   9.09,   8.96,  99.90,  -0.43,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/24 08Z,   0.30,  10.78,  99.90,  10.68,  -0.39,
05/24 09Z,   0.30,  11.76,  99.90,  11.71,  -0.36,  (max)
05/24 10Z,   0.30,  11.70,  99.90,  11.68,  -0.32,
05/24 11Z,   0.20,  10.56,  99.90,  10.47,  -0.29,
05/24 12Z,   0.20,   8.52,  99.90,   8.47,  -0.25,
05/24 13Z,   0.20,   5.90,  99.90,   5.88,  -0.22,
05/24 14Z,   0.20,   3.12,  99.90,   3.14,  -0.18,
05/24 15Z,   0.20,   0.79,  99.90,   0.84,  -0.15,
05/24 16Z,   0.20,  -0.49,  99.90,  -0.40,  -0.11,  (min)
05/24 17Z,   0.20,  -0.42,  99.90,  -0.30,  -0.07,
05/24 18Z,   0.20,   0.87,  99.90,   1.03,  -0.04,
05/24 19Z,   0.20,   2.99,  99.90,   3.19,  -0.00,
05/24 20Z,   0.20,   5.45,  99.90,   5.64,  -0.00,
05/24 21Z,   0.30,   7.68,  99.90,   7.98,  -0.00,
05/24 22Z,   0.30,   9.24,  99.90,   9.53,  -0.00,
05/24 23Z,   0.30,   9.90,  99.90,  10.20,  -0.00,  (max)
05/25 00Z,   0.30,   9.76,  99.90,  10.05,  -0.00,
05/25 01Z,   0.30,   8.96,  99.90,   9.26,  -0.00,
05/25 02Z,   0.30,   7.73,  99.90,   8.03,  -0.00,
05/25 03Z,   0.30,   6.46,  99.90,   6.75,  -0.00,
05/25 04Z,   0.30,   5.66,  99.90,   5.96,  -0.00,  (min)
05/25 05Z,   0.30,   5.72,  99.90,   6.02,  -0.00,
05/25 06Z,   0.30,   6.67,  99.90,   6.97,  -0.00,
05/25 07Z,   0.30,   8.23,  99.90,   8.53,  -0.00,
05/25 08Z,   0.30,   9.98,  99.90,  10.27,  -0.00,
05/25 09Z,   0.40,  11.40,  99.90,  11.80,  -0.00,
05/25 10Z,   0.40,  11.99,  99.90,  12.38,  -0.00,  (max)
05/25 11Z,   0.40,  11.44,  99.90,  11.83,  -0.00,
05/25 12Z,   0.30,   9.76,  99.90,  10.06,  -0.00,
05/25 13Z,   0.40,   7.22,  99.90,   7.62,  -0.00,
05/25 14Z,   0.40,   4.17,  99.90,   4.57,  -0.00,
05/25 15Z,   0.40,   1.13,  99.90,   1.53,  -0.00,
05/25 16Z,   0.40,  -1.20,  99.90,  -0.81,  -0.00,
05/25 17Z,   0.40,  -2.20,  99.90,  -1.80,  -0.00,  (min)
05/25 18Z,   0.40,  -1.64,  99.90,  -1.25,  -0.00,
05/25 19Z,   0.40,   0.24,  99.90,   0.64,  -0.00,
05/25 20Z,   0.40,   2.95,  99.90,   3.35,  -0.00,
05/25 21Z,   0.40,   5.88,  99.90,   6.28,  -0.00,
05/25 22Z,   0.40,   8.44,  99.90,   8.83,  -0.00,
05/25 23Z,   0.40,  10.16,  99.90,  10.56,  -0.00,
05/26 00Z,   0.40,  10.91,  99.90,  11.31,  -0.00,  (max)
05/26 01Z,   0.40,  10.80,  99.90,  11.19,  -0.00,
05/26 02Z,   0.40,   9.98,  99.90,  10.38,  -0.00,
05/26 03Z,   0.40,   8.70,  99.90,   9.10,  -0.00,
05/26 04Z,   0.50,   7.39,  99.90,   7.88,  -0.00,
05/26 05Z,   0.50,   6.59,  99.90,   7.09,  -0.00,  (min)
05/26 06Z,   0.50,   6.66,  99.90,   7.16,  -0.00,
05/26 07Z,   0.50,   7.59,  99.90,   8.09,  -0.00,
05/26 08Z,   0.50,   9.07,  99.90,   9.56,  -0.00,
05/26 09Z,   0.40,  10.62,  99.90,  11.02,  -0.00,
05/26 10Z,   0.40,  11.73,  99.90,  12.13,  -0.00,
05/26 11Z,   0.40,  11.91,  99.90,  12.30,  -0.00,  (max)
05/26 12Z,   0.40,  10.89,  99.90,  11.29,  -0.00,
05/26 13Z,   0.40,   8.77,  99.90,   9.17,  -0.00,
05/26 14Z,   0.40,   5.85,  99.90,   6.24,  -0.00,
05/26 15Z,   0.40,   2.52,  99.90,   2.92,  -0.00,
05/26 16Z,   0.40,  -0.60,  99.90,  -0.20,  -0.00,
05/26 17Z,   0.40,  -2.75,  99.90,  -2.36,  -0.00,
05/26 18Z,   0.40,  -3.35,  99.90,  -2.95,  -0.00,  (min)
05/26 19Z,   0.40,  -2.26,  99.90,  -1.86,  -0.00,
05/26 20Z,   0.40,   0.16,  99.90,   0.55,  -0.00,
05/26 21Z,   0.40,   3.31,  99.90,   3.70,  -0.00,
05/26 22Z,   0.40,   6.54,  99.90,   6.93,  -0.00,
05/26 23Z,   0.40,   9.22,  99.90,   9.62,  -0.00,
05/27 00Z,   0.40,  10.97,  99.90,  11.37,  -0.00,
05/27 01Z,   0.40,  11.71,  99.90,  12.10,  -0.00,  (max)
05/27 02Z,   0.40,  11.55,  99.90,  11.94,  -0.00,
05/27 03Z,   0.40,  10.67,  99.90,  11.07,  -0.00,
05/27 04Z,   0.40,   9.34,  99.90,   9.74,  -0.00,
05/27 05Z,   0.40,   8.02,  99.90,   8.41,  -0.00,
05/27 06Z,   0.30,   7.25,  99.90,   7.55,  -0.00,  (min)
05/27 07Z,   0.30,   7.35,  99.90,   7.65,  -0.00,
05/27 08Z,   0.30,   8.25,  99.90,   8.55,  -0.00,
05/27 09Z,   0.30,   9.60,  99.90,   9.90,  -0.00,
05/27 10Z,   0.30,  10.94,  99.90,  11.24,  -0.00,
05/27 11Z,   0.30,  11.73,  99.90,  12.03,  -0.00,  (max)
05/27 12Z,   0.20,  11.53,  99.90,  11.73,  -0.00,
05/27 13Z,   0.20,  10.16,  99.90,  10.35,  -0.00,
05/27 14Z,   0.20,   7.73,  99.90,   7.93,  -0.00,
05/27 15Z,   0.20,   4.59,  99.90,   4.78,  -0.00,
05/27 16Z,   0.20,   1.18,  99.90,   1.37,  -0.00,
05/27 17Z,   0.20,  -1.84,  99.90,  -1.64,  -0.00,
05/27 18Z,   0.20,  -3.68,  99.90,  -3.49,  -0.00,
05/27 19Z,   0.20,  -3.83,  99.90,  -3.63,  -0.00,  (min)
05/27 20Z,   0.20,  -2.27,  99.90,  -2.07,  -0.00,
05/27 21Z,   0.20,   0.53,  99.90,   0.73,  -0.00,
05/27 22Z,   0.20,   3.93,  99.90,   4.13,  -0.00,
05/27 23Z,   0.20,   7.25,  99.90,   7.44,  -0.00,
05/28 00Z,   0.20,   9.90,  99.90,  10.09,  -0.00,