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 : 08/15/2026 23:22:40 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 06Z,   0.50,   5.32,   5.60,  99.90,  -0.22,
08/14 07Z,   0.40,   4.75,   5.00,  99.90,  -0.15,
08/14 08Z,   0.40,   4.64,   4.99,  99.90,  -0.05,  (min)
08/14 09Z,   0.50,   4.92,   5.29,  99.90,  -0.13,
08/14 10Z,   0.50,   5.44,   5.89,  99.90,  -0.05,
08/14 11Z,   0.40,   6.01,   6.58,  99.90,   0.17,
08/14 12Z,   0.40,   6.42,   7.00,  99.90,   0.18,
08/14 13Z,   0.40,   6.48,   7.05,  99.90,   0.17,  (max)
08/14 14Z,   0.40,   5.99,   6.54,  99.90,   0.15,
08/14 15Z,   0.30,   4.91,   5.58,  99.90,   0.37,
08/14 16Z,   0.30,   3.39,   4.05,  99.90,   0.36,
08/14 17Z,   0.30,   1.77,   2.26,  99.90,   0.19,
08/14 18Z,   0.50,   0.45,   0.69,  99.90,  -0.26,
08/14 19Z,   0.40,  -0.22,  -0.15,  99.90,  -0.33,  (min)
08/14 20Z,   0.30,  -0.11,   0.03,  99.90,  -0.16,
08/14 21Z,   0.40,   0.72,   0.77,  99.90,  -0.35,
08/14 22Z,   0.40,   2.08,   2.10,  99.90,  -0.38,
08/14 23Z,   0.40,   3.73,   3.75,  99.90,  -0.38,
08/15 00Z,   0.50,   5.41,   5.34,  99.90,  -0.57,
08/15 01Z,   0.50,   6.84,   6.84,  99.90,  -0.50,
08/15 02Z,   0.50,   7.75,   7.75,  99.90,  -0.50,
08/15 03Z,   0.50,   7.95,   8.00,  99.90,  -0.45,  (max)
08/15 04Z,   0.50,   7.44,   7.64,  99.90,  -0.30,
08/15 05Z,   0.50,   6.42,   6.67,  99.90,  -0.25,
08/15 06Z,   0.50,   5.24,   5.54,  99.90,  -0.20,
08/15 07Z,   0.40,   4.28,   4.50,  99.90,  -0.18,
08/15 08Z,   0.40,   3.75,   3.99,  99.90,  -0.16,
08/15 09Z,   0.40,   3.72,   3.98,  99.90,  -0.14,  (min)
08/15 10Z,   0.40,   4.10,   4.35,  99.90,  -0.15,
08/15 11Z,   0.40,   4.73,   4.94,  99.90,  -0.19,
08/15 12Z,   0.20,   5.41,   5.71,  99.90,   0.10,
08/15 13Z,   0.20,   5.94,   6.22,  99.90,   0.08,
08/15 14Z,   0.20,   6.10,   6.32,  99.90,   0.02,  (max)
08/15 15Z,   0.20,   5.74,   5.97,  99.90,   0.03,
08/15 16Z,   0.20,   4.82,   5.11,  99.90,   0.09,
08/15 17Z,   0.20,   3.55,   3.85,  99.90,   0.10,
08/15 18Z,   0.20,   2.25,   2.49,  99.90,   0.04,
08/15 19Z,   0.20,   1.30,   1.35,  99.90,  -0.15,
08/15 20Z,   0.10,   0.96,   0.91,  99.90,  -0.15,  (min)
08/15 21Z,   0.20,   1.30,   1.28,  99.90,  -0.22,
08/15 22Z,   0.20,   2.23,   2.10,  99.90,  -0.33,
08/15 23Z,   0.10,   3.55,   3.50,  99.90,  -0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 00Z,   0.10,   5.03,  99.90,   4.99,  -0.14,
08/16 01Z,   0.20,   6.42,  99.90,   6.49,  -0.13,
08/16 02Z,   0.20,   7.45,  99.90,   7.53,  -0.12,
08/16 03Z,   0.20,   7.90,  99.90,   7.99,  -0.12,  (max)
08/16 04Z,   0.20,   7.64,  99.90,   7.73,  -0.11,
08/16 05Z,   0.20,   6.74,  99.90,   6.84,  -0.10,
08/16 06Z,   0.20,   5.46,  99.90,   5.57,  -0.09,
08/16 07Z,   0.20,   4.18,  99.90,   4.30,  -0.09,
08/16 08Z,   0.20,   3.24,  99.90,   3.36,  -0.08,
08/16 09Z,   0.20,   2.80,  99.90,   2.93,  -0.07,
08/16 10Z,   0.10,   2.88,  99.90,   2.91,  -0.06,  (min)
08/16 11Z,   0.10,   3.36,  99.90,   3.41,  -0.05,
08/16 12Z,   0.20,   4.09,  99.90,   4.24,  -0.05,
08/16 13Z,   0.20,   4.88,  99.90,   5.02,  -0.05,
08/16 14Z,   0.10,   5.51,  99.90,   5.55,  -0.05,
08/16 15Z,   0.10,   5.78,  99.90,   5.82,  -0.05,  (max)
08/16 16Z,   0.10,   5.56,  99.90,   5.61,  -0.05,
08/16 17Z,   0.10,   4.88,  99.90,   4.92,  -0.05,
08/16 18Z,   0.10,   3.91,  99.90,   3.96,  -0.05,
08/16 19Z,   0.00,   2.98,  99.90,   2.93,  -0.05,
08/16 20Z,   0.00,   2.39,  99.90,   2.34,  -0.05,  (min)
08/16 21Z,   0.10,   2.33,  99.90,   2.37,  -0.05,
08/16 22Z,   0.10,   2.80,  99.90,   2.85,  -0.05,
08/16 23Z,   0.10,   3.71,  99.90,   3.76,  -0.05,
08/17 00Z,   0.10,   4.88,  99.90,   4.92,  -0.05,
08/17 01Z,   0.10,   6.09,  99.90,   6.13,  -0.05,
08/17 02Z,   0.10,   7.11,  99.90,   7.15,  -0.05,
08/17 03Z,   0.10,   7.71,  99.90,   7.75,  -0.05,  (max)
08/17 04Z,   0.10,   7.70,  99.90,   7.75,  -0.05,
08/17 05Z,   0.10,   7.04,  99.90,   7.08,  -0.05,
08/17 06Z,   0.20,   5.85,  99.90,   5.99,  -0.05,
08/17 07Z,   0.20,   4.44,  99.90,   4.59,  -0.05,
08/17 08Z,   0.20,   3.17,  99.90,   3.31,  -0.05,
08/17 09Z,   0.20,   2.31,  99.90,   2.45,  -0.05,
08/17 10Z,   0.10,   1.99,  99.90,   2.03,  -0.05,  (min)
08/17 11Z,   0.10,   2.18,  99.90,   2.22,  -0.05,
08/17 12Z,   0.20,   2.76,  99.90,   2.91,  -0.05,
08/17 13Z,   0.20,   3.58,  99.90,   3.73,  -0.05,
08/17 14Z,   0.10,   4.45,  99.90,   4.50,  -0.05,
08/17 15Z,   0.20,   5.18,  99.90,   5.32,  -0.05,
08/17 16Z,   0.20,   5.57,  99.90,   5.72,  -0.05,  (max)
08/17 17Z,   0.20,   5.54,  99.90,   5.68,  -0.05,
08/17 18Z,   0.10,   5.11,  99.90,   5.16,  -0.05,
08/17 19Z,   0.10,   4.48,  99.90,   4.53,  -0.05,
08/17 20Z,   0.20,   3.90,  99.90,   4.04,  -0.05,
08/17 21Z,   0.20,   3.60,  99.90,   3.74,  -0.05,  (min)
08/17 22Z,   0.20,   3.70,  99.90,   3.85,  -0.05,
08/17 23Z,   0.20,   4.20,  99.90,   4.34,  -0.05,
08/18 00Z,   0.20,   4.98,  99.90,   5.13,  -0.05,
08/18 01Z,   0.20,   5.90,  99.90,   6.04,  -0.05,
08/18 02Z,   0.20,   6.77,  99.90,   6.92,  -0.05,
08/18 03Z,   0.30,   7.40,  99.90,   7.65,  -0.05,
08/18 04Z,   0.30,   7.58,  99.90,   7.83,  -0.05,  (max)
08/18 05Z,   0.30,   7.20,  99.90,   7.44,  -0.05,
08/18 06Z,   0.30,   6.25,  99.90,   6.49,  -0.05,
08/18 07Z,   0.30,   4.91,  99.90,   5.16,  -0.05,
08/18 08Z,   0.30,   3.49,  99.90,   3.74,  -0.05,
08/18 09Z,   0.30,   2.30,  99.90,   2.55,  -0.05,
08/18 10Z,   0.30,   1.57,  99.90,   1.81,  -0.05,
08/18 11Z,   0.30,   1.37,  99.90,   1.61,  -0.05,  (min)
08/18 12Z,   0.30,   1.66,  99.90,   1.91,  -0.05,
08/18 13Z,   0.30,   2.33,  99.90,   2.58,  -0.05,
08/18 14Z,   0.30,   3.22,  99.90,   3.47,  -0.05,
08/18 15Z,   0.30,   4.16,  99.90,   4.41,  -0.05,
08/18 16Z,   0.30,   4.97,  99.90,   5.22,  -0.05,
08/18 17Z,   0.30,   5.50,  99.90,   5.74,  -0.05,
08/18 18Z,   0.30,   5.66,  99.90,   5.91,  -0.05,  (max)
08/18 19Z,   0.20,   5.51,  99.90,   5.66,  -0.05,
08/18 20Z,   0.30,   5.18,  99.90,   5.43,  -0.05,
08/18 21Z,   0.30,   4.88,  99.90,   5.12,  -0.05,
08/18 22Z,   0.20,   4.76,  99.90,   4.91,  -0.05,  (min)
08/18 23Z,   0.20,   4.92,  99.90,   5.06,  -0.05,
08/19 00Z,   0.30,   5.32,  99.90,   5.56,  -0.05,
08/19 01Z,   0.30,   5.90,  99.90,   6.14,  -0.05,
08/19 02Z,   0.30,   6.53,  99.90,   6.77,  -0.05,
08/19 03Z,   0.30,   7.06,  99.90,   7.30,  -0.05,
08/19 04Z,   0.30,   7.32,  99.90,   7.57,  -0.05,  (max)
08/19 05Z,   0.40,   7.17,  99.90,   7.52,  -0.05,
08/19 06Z,   0.40,   6.52,  99.90,   6.86,  -0.05,
08/19 07Z,   0.30,   5.42,  99.90,   5.66,  -0.05,
08/19 08Z,   0.30,   4.06,  99.90,   4.30,  -0.05,
08/19 09Z,   0.30,   2.71,  99.90,   2.95,  -0.05,
08/19 10Z,   0.30,   1.64,  99.90,   1.89,  -0.05,
08/19 11Z,   0.30,   1.04,  99.90,   1.28,  -0.05,
08/19 12Z,   0.30,   0.95,  99.90,   1.19,  -0.05,  (min)
08/19 13Z,   0.30,   1.32,  99.90,   1.56,  -0.05,
08/19 14Z,   0.20,   2.05,  99.90,   2.19,  -0.05,
08/19 15Z,   0.30,   2.99,  99.90,   3.23,  -0.05,
08/19 16Z,   0.30,   3.98,  99.90,   4.23,  -0.05,
08/19 17Z,   0.30,   4.88,  99.90,   5.12,  -0.05,
08/19 18Z,   0.20,   5.54,  99.90,   5.69,  -0.05,