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 : 05/22/2025 02:20:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 06Z,   0.40,  10.82,  11.04,  99.90,  -0.18,
05/20 07Z,   0.40,  11.20,  11.42,  99.90,  -0.18,  (max)
05/20 08Z,   0.40,  10.87,  11.17,  99.90,  -0.10,
05/20 09Z,   0.30,  10.03,  10.50,  99.90,   0.17,
05/20 10Z,   0.30,   8.87,   9.40,  99.90,   0.23,
05/20 11Z,   0.30,   7.65,   8.06,  99.90,   0.11,
05/20 12Z,   0.40,   6.70,   6.96,  99.90,  -0.14,
05/20 13Z,   0.40,   6.24,   6.36,  99.90,  -0.28,
05/20 14Z,   0.30,   6.27,   6.28,  99.90,  -0.29,  (min)
05/20 15Z,   0.30,   6.59,   6.56,  99.90,  -0.33,
05/20 16Z,   0.30,   7.04,   6.91,  99.90,  -0.43,
05/20 17Z,   0.30,   7.43,   7.26,  99.90,  -0.47,
05/20 18Z,   0.30,   7.50,   7.32,  99.90,  -0.48,  (max)
05/20 19Z,   0.30,   7.03,   6.91,  99.90,  -0.42,
05/20 20Z,   0.30,   5.99,   5.99,  99.90,  -0.30,
05/20 21Z,   0.20,   4.57,   4.61,  99.90,  -0.16,
05/20 22Z,   0.20,   3.02,   3.12,  99.90,  -0.10,
05/20 23Z,   0.20,   1.65,   1.82,  99.90,  -0.03,
05/21 00Z,   0.20,   0.88,   1.12,  99.90,   0.04,  (min)
05/21 01Z,   0.10,   1.06,   1.41,  99.90,   0.25,
05/21 02Z,   0.10,   2.21,   2.48,  99.90,   0.17,
05/21 03Z,   0.10,   4.07,   4.23,  99.90,   0.06,
05/21 04Z,   0.10,   6.24,   6.45,  99.90,   0.11,
05/21 05Z,   0.10,   8.38,   8.58,  99.90,   0.10,
05/21 06Z,   0.10,  10.12,  10.27,  99.90,   0.05,
05/21 07Z,   0.10,  11.12,  11.18,  99.90,  -0.04,
05/21 08Z,   0.10,  11.27,  11.32,  99.90,  -0.05,  (max)
05/21 09Z,   0.00,  10.68,  10.79,  99.90,   0.11,
05/21 10Z,   0.00,   9.53,   9.72,  99.90,   0.19,
05/21 11Z,   0.00,   8.04,   8.23,  99.90,   0.19,
05/21 12Z,   0.00,   6.53,   6.54,  99.90,   0.01,
05/21 13Z,   0.00,   5.38,   5.25,  99.90,  -0.13,
05/21 14Z,   0.00,   4.85,   4.59,  99.90,  -0.26,  (min)
05/21 15Z,   0.00,   4.95,   4.70,  99.90,  -0.25,
05/21 16Z,   0.00,   5.49,   5.20,  99.90,  -0.29,
05/21 17Z,   0.00,   6.27,   5.93,  99.90,  -0.34,
05/21 18Z,   0.00,   7.04,   6.72,  99.90,  -0.32,
05/21 19Z,   0.00,   7.46,   7.25,  99.90,  -0.21,  (max)
05/21 20Z,   0.00,   7.30,   7.19,  99.90,  -0.11,
05/21 21Z,   0.00,   6.54,   6.58,  99.90,   0.04,
05/21 22Z,   0.00,   5.37,   5.50,  99.90,   0.13,
05/21 23Z,   0.00,   3.99,   4.22,  99.90,   0.23,
05/22 00Z,   0.00,   2.74,   2.94,  99.90,   0.20,
05/22 01Z,   0.00,   2.02,   2.27,  99.90,   0.25,  (min)
05/22 02Z,   0.00,   2.18,   2.43,  99.90,   0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/22 03Z,   0.00,   3.26,  99.90,   3.49,   0.23,
05/22 04Z,   0.00,   5.02,  99.90,   5.23,   0.21,
05/22 05Z,   0.10,   7.11,  99.90,   7.39,   0.18,
05/22 06Z,   0.10,   9.14,  99.90,   9.40,   0.16,
05/22 07Z,   0.10,  10.70,  99.90,  10.94,   0.14,
05/22 08Z,   0.10,  11.45,  99.90,  11.66,   0.11,  (max)
05/22 09Z,   0.10,  11.27,  99.90,  11.46,   0.09,
05/22 10Z,   0.10,  10.28,  99.90,  10.44,   0.06,
05/22 11Z,   0.10,   8.70,  99.90,   8.84,   0.04,
05/22 12Z,   0.10,   6.78,  99.90,   6.89,   0.02,
05/22 13Z,   0.10,   4.92,  99.90,   5.02,  -0.01,
05/22 14Z,   0.10,   3.60,  99.90,   3.67,  -0.03,
05/22 15Z,   0.10,   3.11,  99.90,   3.18,  -0.03,  (min)
05/22 16Z,   0.10,   3.44,  99.90,   3.51,  -0.03,
05/22 17Z,   0.10,   4.38,  99.90,   4.45,  -0.03,
05/22 18Z,   0.10,   5.66,  99.90,   5.73,  -0.03,
05/22 19Z,   0.10,   6.92,  99.90,   6.98,  -0.03,
05/22 20Z,   0.10,   7.75,  99.90,   7.82,  -0.03,
05/22 21Z,   0.10,   7.93,  99.90,   7.99,  -0.03,  (max)
05/22 22Z,   0.10,   7.44,  99.90,   7.51,  -0.03,
05/22 23Z,   0.10,   6.47,  99.90,   6.54,  -0.03,
05/23 00Z,   0.20,   5.22,  99.90,   5.39,  -0.03,
05/23 01Z,   0.20,   4.00,  99.90,   4.17,  -0.03,
05/23 02Z,   0.20,   3.27,  99.90,   3.44,  -0.03,  (min)
05/23 03Z,   0.20,   3.38,  99.90,   3.55,  -0.03,
05/23 04Z,   0.20,   4.40,  99.90,   4.57,  -0.03,
05/23 05Z,   0.20,   6.09,  99.90,   6.26,  -0.03,
05/23 06Z,   0.20,   8.09,  99.90,   8.26,  -0.03,
05/23 07Z,   0.20,   9.98,  99.90,  10.15,  -0.03,
05/23 08Z,   0.20,  11.30,  99.90,  11.46,  -0.03,
05/23 09Z,   0.20,  11.68,  99.90,  11.85,  -0.03,  (max)
05/23 10Z,   0.20,  11.06,  99.90,  11.23,  -0.03,
05/23 11Z,   0.20,   9.57,  99.90,   9.74,  -0.03,
05/23 12Z,   0.20,   7.47,  99.90,   7.64,  -0.03,
05/23 13Z,   0.20,   5.09,  99.90,   5.26,  -0.03,
05/23 14Z,   0.20,   2.93,  99.90,   3.10,  -0.03,
05/23 15Z,   0.20,   1.55,  99.90,   1.72,  -0.03,
05/23 16Z,   0.20,   1.25,  99.90,   1.42,  -0.03,  (min)
05/23 17Z,   0.20,   1.99,  99.90,   2.16,  -0.03,
05/23 18Z,   0.20,   3.49,  99.90,   3.66,  -0.03,
05/23 19Z,   0.20,   5.36,  99.90,   5.53,  -0.03,
05/23 20Z,   0.20,   7.14,  99.90,   7.31,  -0.03,
05/23 21Z,   0.20,   8.38,  99.90,   8.55,  -0.03,
05/23 22Z,   0.20,   8.85,  99.90,   9.01,  -0.03,  (max)
05/23 23Z,   0.20,   8.58,  99.90,   8.75,  -0.03,
05/24 00Z,   0.20,   7.73,  99.90,   7.90,  -0.03,
05/24 01Z,   0.20,   6.52,  99.90,   6.69,  -0.03,
05/24 02Z,   0.20,   5.29,  99.90,   5.46,  -0.03,
05/24 03Z,   0.30,   4.52,  99.90,   4.79,  -0.03,  (min)
05/24 04Z,   0.30,   4.60,  99.90,   4.86,  -0.03,
05/24 05Z,   0.30,   5.57,  99.90,   5.84,  -0.03,
05/24 06Z,   0.30,   7.20,  99.90,   7.46,  -0.03,
05/24 07Z,   0.30,   9.09,  99.90,   9.36,  -0.03,
05/24 08Z,   0.30,  10.78,  99.90,  11.05,  -0.03,
05/24 09Z,   0.30,  11.76,  99.90,  12.03,  -0.03,  (max)
05/24 10Z,   0.30,  11.70,  99.90,  11.97,  -0.03,
05/24 11Z,   0.30,  10.56,  99.90,  10.82,  -0.03,
05/24 12Z,   0.20,   8.52,  99.90,   8.69,  -0.03,
05/24 13Z,   0.20,   5.90,  99.90,   6.07,  -0.03,
05/24 14Z,   0.20,   3.12,  99.90,   3.29,  -0.03,
05/24 15Z,   0.20,   0.79,  99.90,   0.96,  -0.03,
05/24 16Z,   0.20,  -0.49,  99.90,  -0.32,  -0.03,  (min)
05/24 17Z,   0.20,  -0.42,  99.90,  -0.25,  -0.03,
05/24 18Z,   0.20,   0.87,  99.90,   1.04,  -0.03,
05/24 19Z,   0.20,   2.99,  99.90,   3.16,  -0.03,
05/24 20Z,   0.20,   5.45,  99.90,   5.62,  -0.03,
05/24 21Z,   0.20,   7.68,  99.90,   7.85,  -0.03,
05/24 22Z,   0.20,   9.24,  99.90,   9.40,  -0.03,
05/24 23Z,   0.20,   9.90,  99.90,  10.07,  -0.03,  (max)
05/25 00Z,   0.20,   9.76,  99.90,   9.93,  -0.03,
05/25 01Z,   0.20,   8.96,  99.90,   9.13,  -0.03,
05/25 02Z,   0.20,   7.73,  99.90,   7.90,  -0.03,
05/25 03Z,   0.20,   6.46,  99.90,   6.63,  -0.03,
05/25 04Z,   0.20,   5.66,  99.90,   5.83,  -0.03,  (min)
05/25 05Z,   0.20,   5.72,  99.90,   5.89,  -0.03,
05/25 06Z,   0.30,   6.67,  99.90,   6.94,  -0.03,
05/25 07Z,   0.30,   8.23,  99.90,   8.50,  -0.03,
05/25 08Z,   0.30,   9.98,  99.90,  10.25,  -0.03,
05/25 09Z,   0.30,  11.40,  99.90,  11.67,  -0.03,
05/25 10Z,   0.30,  11.99,  99.90,  12.26,  -0.03,  (max)
05/25 11Z,   0.30,  11.44,  99.90,  11.70,  -0.03,
05/25 12Z,   0.30,   9.76,  99.90,  10.03,  -0.03,
05/25 13Z,   0.30,   7.22,  99.90,   7.49,  -0.03,
05/25 14Z,   0.30,   4.17,  99.90,   4.44,  -0.03,
05/25 15Z,   0.30,   1.13,  99.90,   1.40,  -0.03,
05/25 16Z,   0.30,  -1.20,  99.90,  -0.93,  -0.03,
05/25 17Z,   0.30,  -2.20,  99.90,  -1.93,  -0.03,  (min)
05/25 18Z,   0.30,  -1.64,  99.90,  -1.37,  -0.03,