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
#Friday Harbor, WA : 05/18/2026 02:21:04 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 06Z,   0.20,   5.50,   6.03,  99.90,   0.33,  (min)
05/16 07Z,   0.20,   5.91,   6.45,  99.90,   0.34,
05/16 08Z,   0.20,   6.54,   7.08,  99.90,   0.34,
05/16 09Z,   0.20,   7.13,   7.68,  99.90,   0.35,
05/16 10Z,   0.20,   7.48,   8.09,  99.90,   0.41,  (max)
05/16 11Z,   0.20,   7.39,   7.98,  99.90,   0.39,
05/16 12Z,   0.10,   6.71,   7.27,  99.90,   0.46,
05/16 13Z,   0.10,   5.40,   6.10,  99.90,   0.60,
05/16 14Z,   0.10,   3.53,   4.24,  99.90,   0.61,
05/16 15Z,   0.10,   1.36,   1.93,  99.90,   0.47,
05/16 16Z,   0.10,  -0.66,  -0.20,  99.90,   0.36,
05/16 17Z,   0.00,  -2.08,  -1.66,  99.90,   0.42,
05/16 18Z,   0.10,  -2.58,  -2.06,  99.90,   0.42,  (min)
05/16 19Z,   0.10,  -2.11,  -1.56,  99.90,   0.45,
05/16 20Z,   0.00,  -0.84,  -0.66,  99.90,   0.18,
05/16 21Z,   0.10,   0.95,   0.95,  99.90,  -0.10,
05/16 22Z,   0.10,   2.92,   2.73,  99.90,  -0.29,
05/16 23Z,   0.10,   4.81,   4.45,  99.90,  -0.46,
05/17 00Z,   0.10,   6.38,   6.04,  99.90,  -0.44,
05/17 01Z,   0.10,   7.42,   7.14,  99.90,  -0.38,
05/17 02Z,   0.20,   7.84,   7.64,  99.90,  -0.40,  (max)
05/17 03Z,   0.10,   7.68,   7.57,  99.90,  -0.21,
05/17 04Z,   0.10,   7.15,   7.12,  99.90,  -0.13,
05/17 05Z,   0.20,   6.57,   6.71,  99.90,  -0.06,
05/17 06Z,   0.10,   6.22,   6.54,  99.90,   0.22,  (min)
05/17 07Z,   0.00,   6.26,   6.64,  99.90,   0.38,
05/17 08Z,   0.00,   6.62,   6.97,  99.90,   0.35,
05/17 09Z,   0.00,   7.13,   7.47,  99.90,   0.34,
05/17 10Z,   0.00,   7.55,   7.90,  99.90,   0.35,
05/17 11Z,   0.00,   7.68,   8.00,  99.90,   0.32,  (max)
05/17 12Z,  -0.10,   7.32,   7.53,  99.90,   0.31,
05/17 13Z,  -0.10,   6.36,   6.50,  99.90,   0.24,
05/17 14Z,  -0.10,   4.75,   4.95,  99.90,   0.30,
05/17 15Z,  -0.20,   2.63,   2.73,  99.90,   0.30,
05/17 16Z,  -0.20,   0.34,   0.28,  99.90,   0.14,
05/17 17Z,  -0.20,  -1.65,  -1.87,  99.90,  -0.02,
05/17 18Z,  -0.20,  -2.90,  -2.94,  99.90,   0.16,
05/17 19Z,  -0.30,  -3.14,  -3.09,  99.90,   0.35,  (min)
05/17 20Z,  -0.30,  -2.38,  -2.29,  99.90,   0.39,
05/17 21Z,  -0.30,  -0.84,  -1.10,  99.90,   0.04,
05/17 22Z,  -0.30,   1.16,   0.69,  99.90,  -0.17,
05/17 23Z,  -0.30,   3.31,   2.80,  99.90,  -0.21,
05/18 00Z,  -0.30,   5.33,   4.74,  99.90,  -0.29,
05/18 01Z,  -0.30,   6.96,   6.38,  99.90,  -0.28,
05/18 02Z,  -0.30,   8.01,   7.41,  99.90,  -0.30,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 03Z,  -0.20,   8.39,  99.90,   7.93,  -0.26,  (max)
05/18 04Z,  -0.20,   8.19,  99.90,   7.77,  -0.22,
05/18 05Z,  -0.10,   7.65,  99.90,   7.37,  -0.18,
05/18 06Z,  -0.10,   7.09,  99.90,   6.86,  -0.13,
05/18 07Z,  -0.10,   6.78,  99.90,   6.58,  -0.09,  (min)
05/18 08Z,  -0.10,   6.81,  99.90,   6.66,  -0.05,
05/18 09Z,  -0.10,   7.10,  99.90,   6.99,  -0.01,
05/18 10Z,  -0.10,   7.48,  99.90,   7.42,   0.03,
05/18 11Z,  -0.10,   7.74,  99.90,   7.71,   0.08,  (max)
05/18 12Z,  -0.10,   7.68,  99.90,   7.69,   0.12,
05/18 13Z,  -0.10,   7.12,  99.90,   7.18,   0.16,
05/18 14Z,  -0.10,   5.95,  99.90,   6.05,   0.20,
05/18 15Z,  -0.10,   4.16,  99.90,   4.26,   0.20,
05/18 16Z,  -0.10,   1.94,  99.90,   2.04,   0.20,
05/18 17Z,  -0.10,  -0.35,  99.90,  -0.25,   0.20,
05/18 18Z,  -0.10,  -2.21,  99.90,  -2.11,   0.20,
05/18 19Z,  -0.10,  -3.24,  99.90,  -3.13,   0.20,
05/18 20Z,  -0.10,  -3.24,  99.90,  -3.14,   0.20,  (min)
05/18 21Z,  -0.10,  -2.28,  99.90,  -2.18,   0.20,
05/18 22Z,  -0.10,  -0.60,  99.90,  -0.50,   0.20,
05/18 23Z,  -0.10,   1.50,  99.90,   1.60,   0.20,
05/19 00Z,  -0.10,   3.70,  99.90,   3.80,   0.20,
05/19 01Z,  -0.10,   5.73,  99.90,   5.83,   0.20,
05/19 02Z,  -0.10,   7.34,  99.90,   7.44,   0.20,
05/19 03Z,   0.00,   8.34,  99.90,   8.54,   0.20,
05/19 04Z,   0.00,   8.67,  99.90,   8.87,   0.20,  (max)
05/19 05Z,   0.00,   8.43,  99.90,   8.63,   0.20,
05/19 06Z,  -0.10,   7.90,  99.90,   8.00,   0.20,
05/19 07Z,  -0.10,   7.38,  99.90,   7.48,   0.20,
05/19 08Z,   0.00,   7.08,  99.90,   7.28,   0.20,
05/19 09Z,  -0.10,   7.08,  99.90,   7.18,   0.20,  (min)
05/19 10Z,  -0.10,   7.29,  99.90,   7.39,   0.20,
05/19 11Z,  -0.10,   7.54,  99.90,   7.64,   0.20,
05/19 12Z,  -0.10,   7.66,  99.90,   7.76,   0.20,  (max)
05/19 13Z,  -0.10,   7.47,  99.90,   7.57,   0.20,
05/19 14Z,  -0.10,   6.79,  99.90,   6.89,   0.20,
05/19 15Z,  -0.20,   5.52,  99.90,   5.53,   0.20,
05/19 16Z,  -0.10,   3.69,  99.90,   3.79,   0.20,
05/19 17Z,  -0.10,   1.50,  99.90,   1.60,   0.20,
05/19 18Z,  -0.20,  -0.64,  99.90,  -0.64,   0.20,
05/19 19Z,  -0.20,  -2.29,  99.90,  -2.29,   0.20,
05/19 20Z,  -0.20,  -3.09,  99.90,  -3.09,   0.20,  (min)
05/19 21Z,  -0.20,  -2.92,  99.90,  -2.92,   0.20,
05/19 22Z,  -0.20,  -1.86,  99.90,  -1.86,   0.20,
05/19 23Z,  -0.20,  -0.15,  99.90,  -0.15,   0.20,
05/20 00Z,  -0.20,   1.92,  99.90,   1.92,   0.20,
05/20 01Z,  -0.20,   4.07,  99.90,   4.07,   0.20,
05/20 02Z,  -0.20,   6.03,  99.90,   6.03,   0.20,
05/20 03Z,  -0.20,   7.55,  99.90,   7.55,   0.20,
05/20 04Z,  -0.10,   8.45,  99.90,   8.56,   0.20,
05/20 05Z,  -0.20,   8.71,  99.90,   8.71,   0.20,  (max)
05/20 06Z,  -0.20,   8.45,  99.90,   8.45,   0.20,
05/20 07Z,  -0.20,   7.93,  99.90,   7.93,   0.20,
05/20 08Z,  -0.20,   7.42,  99.90,   7.43,   0.20,
05/20 09Z,  -0.20,   7.11,  99.90,   7.11,   0.20,
05/20 10Z,  -0.30,   7.04,  99.90,   6.94,   0.20,  (min)
05/20 11Z,  -0.20,   7.13,  99.90,   7.13,   0.20,
05/20 12Z,  -0.20,   7.27,  99.90,   7.27,   0.20,
05/20 13Z,  -0.20,   7.29,  99.90,   7.29,   0.20,  (max)
05/20 14Z,  -0.30,   7.03,  99.90,   6.93,   0.20,
05/20 15Z,  -0.30,   6.33,  99.90,   6.23,   0.20,
05/20 16Z,  -0.20,   5.09,  99.90,   5.09,   0.20,
05/20 17Z,  -0.20,   3.34,  99.90,   3.35,   0.20,
05/20 18Z,  -0.20,   1.34,  99.90,   1.34,   0.20,
05/20 19Z,  -0.30,  -0.56,  99.90,  -0.66,   0.20,
05/20 20Z,  -0.30,  -1.95,  99.90,  -2.05,   0.20,
05/20 21Z,  -0.30,  -2.54,  99.90,  -2.64,   0.20,  (min)
05/20 22Z,  -0.30,  -2.25,  99.90,  -2.35,   0.20,
05/20 23Z,  -0.30,  -1.18,  99.90,  -1.28,   0.20,
05/21 00Z,  -0.30,   0.46,  99.90,   0.36,   0.20,
05/21 01Z,  -0.30,   2.42,  99.90,   2.32,   0.20,
05/21 02Z,  -0.20,   4.44,  99.90,   4.44,   0.20,
05/21 03Z,  -0.20,   6.26,  99.90,   6.26,   0.20,
05/21 04Z,  -0.20,   7.64,  99.90,   7.65,   0.20,
05/21 05Z,  -0.20,   8.43,  99.90,   8.43,   0.20,
05/21 06Z,  -0.20,   8.61,  99.90,   8.61,   0.20,  (max)
05/21 07Z,  -0.20,   8.31,  99.90,   8.31,   0.20,
05/21 08Z,  -0.20,   7.77,  99.90,   7.77,   0.20,
05/21 09Z,  -0.20,   7.22,  99.90,   7.22,   0.20,
05/21 10Z,  -0.20,   6.83,  99.90,   6.83,   0.20,
05/21 11Z,  -0.20,   6.64,  99.90,   6.64,   0.20,  (min)
05/21 12Z,  -0.10,   6.62,  99.90,   6.72,   0.20,
05/21 13Z,  -0.10,   6.66,  99.90,   6.76,   0.20,  (max)
05/21 14Z,  -0.10,   6.63,  99.90,   6.73,   0.20,
05/21 15Z,  -0.20,   6.38,  99.90,   6.38,   0.20,
05/21 16Z,  -0.20,   5.75,  99.90,   5.75,   0.20,
05/21 17Z,  -0.10,   4.65,  99.90,   4.75,   0.20,
05/21 18Z,  -0.10,   3.14,  99.90,   3.24,   0.20,