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 : 10/12/2026 03:21:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 12Z,   0.80,   6.20,   6.78,  99.90,  -0.22,
10/10 13Z,   0.80,   6.43,   7.02,  99.90,  -0.21,  (max)
10/10 14Z,   0.80,   6.10,   6.70,  99.90,  -0.20,
10/10 15Z,   0.80,   5.35,   5.91,  99.90,  -0.24,
10/10 16Z,   0.80,   4.48,   4.94,  99.90,  -0.34,
10/10 17Z,   0.80,   3.83,   4.18,  99.90,  -0.45,
10/10 18Z,   0.90,   3.62,   3.91,  99.90,  -0.61,  (min)
10/10 19Z,   0.80,   3.89,   4.16,  99.90,  -0.53,
10/10 20Z,   0.80,   4.56,   4.74,  99.90,  -0.62,
10/10 21Z,   0.80,   5.44,   5.62,  99.90,  -0.62,
10/10 22Z,   0.90,   6.33,   6.69,  99.90,  -0.54,
10/10 23Z,   0.80,   7.03,   7.47,  99.90,  -0.36,
10/11 00Z,   0.80,   7.30,   7.70,  99.90,  -0.40,  (max)
10/11 01Z,   0.80,   6.98,   7.41,  99.90,  -0.37,
10/11 02Z,   0.80,   6.00,   6.55,  99.90,  -0.25,
10/11 03Z,   0.80,   4.50,   5.25,  99.90,  -0.05,
10/11 04Z,   0.80,   2.84,   3.48,  99.90,  -0.16,
10/11 05Z,   0.80,   1.43,   1.97,  99.90,  -0.26,
10/11 06Z,   0.80,   0.58,   1.05,  99.90,  -0.33,
10/11 07Z,   0.70,   0.46,   1.02,  99.90,  -0.14,  (min)
10/11 08Z,   0.70,   1.00,   1.59,  99.90,  -0.11,
10/11 09Z,   0.70,   2.03,   2.59,  99.90,  -0.14,
10/11 10Z,   0.80,   3.35,   3.94,  99.90,  -0.21,
10/11 11Z,   0.70,   4.73,   5.25,  99.90,  -0.18,
10/11 12Z,   0.80,   5.93,   6.40,  99.90,  -0.33,
10/11 13Z,   0.80,   6.72,   7.12,  99.90,  -0.40,
10/11 14Z,   0.80,   6.95,   7.33,  99.90,  -0.42,  (max)
10/11 15Z,   0.70,   6.61,   6.99,  99.90,  -0.32,
10/11 16Z,   0.70,   5.91,   6.27,  99.90,  -0.34,
10/11 17Z,   0.80,   5.15,   5.50,  99.90,  -0.45,
10/11 18Z,   0.80,   4.65,   4.97,  99.90,  -0.48,
10/11 19Z,   0.80,   4.56,   4.87,  99.90,  -0.49,  (min)
10/11 20Z,   0.70,   4.89,   5.13,  99.90,  -0.46,
10/11 21Z,   0.80,   5.50,   5.68,  99.90,  -0.62,
10/11 22Z,   0.80,   6.22,   8.89,  99.90,   1.87,
10/11 23Z,   0.80,   6.85,   9.62,  99.90,   1.97,
10/12 00Z,   0.80,   7.19,   9.96,  99.90,   1.97,  0.13 ft above HAT  (max)
10/12 01Z,   0.80,   7.05,   9.79,  99.90,   1.94,
10/12 02Z,   0.90,   6.30,   9.07,  99.90,   1.87,
10/12 03Z,   0.90,   4.95,   7.91,  99.90,   2.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 04Z,   0.80,   3.26,  99.90,   5.93,   1.87,
10/12 05Z,   0.80,   1.60,  99.90,   4.08,   1.68,
10/12 06Z,   0.80,   0.38,  99.90,   2.68,   1.50,
10/12 07Z,   0.80,  -0.13,  99.90,   1.98,   1.31,  (min)
10/12 08Z,   0.80,   0.11,  99.90,   2.04,   1.12,
10/12 09Z,   0.80,   0.99,  99.90,   2.73,   0.94,
10/12 10Z,   0.80,   2.29,  99.90,   3.84,   0.75,
10/12 11Z,   0.80,   3.80,  99.90,   5.16,   0.56,
10/12 12Z,   0.80,   5.27,  99.90,   6.45,   0.38,
10/12 13Z,   0.80,   6.49,  99.90,   7.48,   0.19,
10/12 14Z,   0.80,   7.24,  99.90,   8.04,   0.01,  (max)
10/12 15Z,   0.80,   7.40,  99.90,   8.02,  -0.18,
10/12 16Z,   0.80,   7.05,  99.90,   7.67,  -0.18,
10/12 17Z,   0.80,   6.40,  99.90,   7.02,  -0.18,
10/12 18Z,   0.80,   5.76,  99.90,   6.38,  -0.18,
10/12 19Z,   0.80,   5.39,  99.90,   6.01,  -0.18,
10/12 20Z,   0.80,   5.39,  99.90,   6.01,  -0.18,  (min)
10/12 21Z,   0.80,   5.71,  99.90,   6.33,  -0.18,
10/12 22Z,   0.80,   6.20,  99.90,   6.82,  -0.18,
10/12 23Z,   0.70,   6.70,  99.90,   7.22,  -0.18,
10/13 00Z,   0.80,   7.03,  99.90,   7.65,  -0.18,  (max)
10/13 01Z,   0.80,   7.02,  99.90,   7.64,  -0.18,
10/13 02Z,   0.80,   6.51,  99.90,   7.13,  -0.18,
10/13 03Z,   0.80,   5.42,  99.90,   6.03,  -0.18,
10/13 04Z,   0.80,   3.86,  99.90,   4.47,  -0.18,
10/13 05Z,   0.80,   2.12,  99.90,   2.74,  -0.18,
10/13 06Z,   0.80,   0.63,  99.90,   1.24,  -0.18,
10/13 07Z,   0.80,  -0.28,  99.90,   0.34,  -0.18,
10/13 08Z,   0.70,  -0.43,  99.90,   0.09,  -0.18,  (min)
10/13 09Z,   0.70,   0.16,  99.90,   0.68,  -0.18,
10/13 10Z,   0.70,   1.31,  99.90,   1.83,  -0.18,
10/13 11Z,   0.70,   2.78,  99.90,   3.30,  -0.18,
10/13 12Z,   0.70,   4.37,  99.90,   4.89,  -0.18,
10/13 13Z,   0.70,   5.84,  99.90,   6.36,  -0.18,
10/13 14Z,   0.70,   7.00,  99.90,   7.51,  -0.18,
10/13 15Z,   0.70,   7.65,  99.90,   8.17,  -0.18,
10/13 16Z,   0.70,   7.74,  99.90,   8.26,  -0.18,  (max)
10/13 17Z,   0.70,   7.37,  99.90,   7.89,  -0.18,
10/13 18Z,   0.70,   6.79,  99.90,   7.31,  -0.18,
10/13 19Z,   0.70,   6.27,  99.90,   6.79,  -0.18,
10/13 20Z,   0.70,   6.00,  99.90,   6.52,  -0.18,  (min)
10/13 21Z,   0.70,   6.03,  99.90,   6.55,  -0.18,
10/13 22Z,   0.60,   6.27,  99.90,   6.69,  -0.18,
10/13 23Z,   0.60,   6.59,  99.90,   7.01,  -0.18,
10/14 00Z,   0.70,   6.86,  99.90,   7.38,  -0.18,
10/14 01Z,   0.70,   6.91,  99.90,   7.43,  -0.18,  (max)
10/14 02Z,   0.70,   6.59,  99.90,   7.11,  -0.18,
10/14 03Z,   0.70,   5.79,  99.90,   6.31,  -0.18,
10/14 04Z,   0.70,   4.50,  99.90,   5.02,  -0.18,
10/14 05Z,   0.70,   2.88,  99.90,   3.40,  -0.18,
10/14 06Z,   0.60,   1.26,  99.90,   1.68,  -0.18,
10/14 07Z,   0.60,   0.03,  99.90,   0.45,  -0.18,
10/14 08Z,   0.70,  -0.54,  99.90,  -0.02,  -0.18,  (min)
10/14 09Z,   0.70,  -0.35,  99.90,   0.17,  -0.18,
10/14 10Z,   0.70,   0.49,  99.90,   1.01,  -0.18,
10/14 11Z,   0.70,   1.80,  99.90,   2.32,  -0.18,
10/14 12Z,   0.70,   3.34,  99.90,   3.86,  -0.18,
10/14 13Z,   0.70,   4.90,  99.90,   5.42,  -0.18,
10/14 14Z,   0.70,   6.30,  99.90,   6.82,  -0.18,
10/14 15Z,   0.80,   7.33,  99.90,   7.95,  -0.18,
10/14 16Z,   0.80,   7.87,  99.90,   8.49,  -0.18,
10/14 17Z,   0.80,   7.91,  99.90,   8.53,  -0.18,  (max)
10/14 18Z,   0.70,   7.57,  99.90,   8.09,  -0.18,
10/14 19Z,   0.70,   7.07,  99.90,   7.59,  -0.18,
10/14 20Z,   0.70,   6.66,  99.90,   7.18,  -0.18,
10/14 21Z,   0.60,   6.44,  99.90,   6.86,  -0.18,
10/14 22Z,   0.60,   6.44,  99.90,   6.86,  -0.18,  (min)
10/14 23Z,   0.50,   6.57,  99.90,   6.89,  -0.18,
10/15 00Z,   0.50,   6.71,  99.90,   7.03,  -0.18,
10/15 01Z,   0.50,   6.75,  99.90,   7.07,  -0.18,  (max)
10/15 02Z,   0.50,   6.57,  99.90,   6.89,  -0.18,
10/15 03Z,   0.50,   6.03,  99.90,   6.35,  -0.18,
10/15 04Z,   0.50,   5.06,  99.90,   5.38,  -0.18,
10/15 05Z,   0.50,   3.70,  99.90,   4.02,  -0.18,
10/15 06Z,   0.40,   2.16,  99.90,   2.38,  -0.18,
10/15 07Z,   0.40,   0.75,  99.90,   0.97,  -0.18,
10/15 08Z,   0.40,  -0.19,  99.90,   0.03,  -0.18,
10/15 09Z,   0.40,  -0.45,  99.90,  -0.23,  -0.18,  (min)
10/15 10Z,   0.40,  -0.03,  99.90,   0.19,  -0.18,
10/15 11Z,   0.40,   0.95,  99.90,   1.17,  -0.18,
10/15 12Z,   0.40,   2.29,  99.90,   2.51,  -0.18,
10/15 13Z,   0.40,   3.79,  99.90,   4.01,  -0.18,
10/15 14Z,   0.40,   5.27,  99.90,   5.49,  -0.18,
10/15 15Z,   0.40,   6.54,  99.90,   6.76,  -0.18,
10/15 16Z,   0.40,   7.45,  99.90,   7.67,  -0.18,
10/15 17Z,   0.40,   7.91,  99.90,   8.13,  -0.18,
10/15 18Z,   0.40,   7.93,  99.90,   8.15,  -0.18,
10/15 19Z,  99.90,   7.64,  99.90,  99.90,  -0.18,
10/15 20Z,  99.90,   7.24,  99.90,  99.90,  -0.18,
10/15 21Z,  99.90,   6.90,  99.90,  99.90,  -0.18,
10/15 22Z,  99.90,   6.69,  99.90,  99.90,  -0.18,
10/15 23Z,  99.90,   6.62,  99.90,  99.90,  -0.18,
10/16 00Z,  99.90,   6.62,  99.90,  99.90,  -0.18,