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 : 08/13/2026 21:24:26 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/12 06Z,   0.20,  -1.46,  -1.26,  99.90,  -0.00,
08/12 07Z,   0.20,  -1.34,  -1.11,  99.90,   0.03,  (min)
08/12 08Z,   0.10,  -1.03,  -0.71,  99.90,   0.22,
08/12 09Z,   0.20,  -0.70,  -0.24,  99.90,   0.26,
08/12 10Z,   0.20,  -0.52,   0.00,  99.90,   0.32,  (max)
08/12 11Z,   0.20,  -0.67,  -0.14,  99.90,   0.33,
08/12 12Z,   0.20,  -1.32,  -0.81,  99.90,   0.31,
08/12 13Z,   0.20,  -2.55,  -1.91,  99.90,   0.44,
08/12 14Z,   0.20,  -4.30,  -3.60,  99.90,   0.50,
08/12 15Z,   0.20,  -6.29,  -5.77,  99.90,   0.32,
08/12 16Z,   0.20,  -8.11,  -7.82,  99.90,   0.09,
08/12 17Z,   0.20,  -9.36,  -9.35,  99.90,  -0.19,
08/12 18Z,   0.30,  -9.77,  -9.65,  99.90,  -0.18,  (min)
08/12 19Z,   0.20,  -9.31,  -9.12,  99.90,  -0.01,
08/12 20Z,   0.20,  -8.13,  -8.15,  99.90,  -0.22,
08/12 21Z,   0.30,  -6.45,  -6.45,  99.90,  -0.30,
08/12 22Z,   0.30,  -4.54,  -4.60,  99.90,  -0.36,
08/12 23Z,   0.20,  -2.66,  -2.89,  99.90,  -0.43,
08/13 00Z,   0.20,  -1.08,  -1.20,  99.90,  -0.32,
08/13 01Z,   0.30,  -0.04,  -0.21,  99.90,  -0.47,
08/13 02Z,   0.30,   0.30,   0.18,  99.90,  -0.42,  (max)
08/13 03Z,   0.30,  -0.00,   0.04,  99.90,  -0.26,
08/13 04Z,   0.30,  -0.71,  -0.64,  99.90,  -0.23,
08/13 05Z,   0.30,  -1.49,  -1.34,  99.90,  -0.15,
08/13 06Z,   0.30,  -2.04,  -1.92,  99.90,  -0.18,
08/13 07Z,   0.20,  -2.21,  -2.01,  99.90,   0.00,  (min)
08/13 08Z,   0.20,  -2.03,  -1.72,  99.90,   0.11,
08/13 09Z,   0.30,  -1.62,  -1.28,  99.90,   0.04,
08/13 10Z,   0.30,  -1.17,  -0.67,  99.90,   0.20,
08/13 11Z,   0.30,  -0.87,  -0.32,  99.90,   0.25,  (max)
08/13 12Z,   0.20,  -0.92,  -0.37,  99.90,   0.35,
08/13 13Z,   0.20,  -1.50,  -0.92,  99.90,   0.38,
08/13 14Z,   0.30,  -2.68,  -2.02,  99.90,   0.36,
08/13 15Z,   0.20,  -4.36,  -3.63,  99.90,   0.53,
08/13 16Z,   0.20,  -6.22,  -5.62,  99.90,   0.40,
08/13 17Z,   0.20,  -7.84,  -7.59,  99.90,   0.05,
08/13 18Z,   0.30,  -8.84,  -8.68,  99.90,  -0.14,
08/13 19Z,   0.20,  -9.00,  -8.82,  99.90,  -0.02,  (min)
08/13 20Z,   0.20,  -8.34,  -8.20,  99.90,  -0.06,
08/13 21Z,   0.20,  -7.03,  -6.98,  99.90,  -0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 22Z,   0.30,  -5.32,  99.90,  -5.15,  -0.13,
08/13 23Z,   0.30,  -3.47,  99.90,  -3.28,  -0.11,
08/14 00Z,   0.30,  -1.75,  99.90,  -1.54,  -0.09,
08/14 01Z,   0.30,  -0.44,  99.90,  -0.22,  -0.07,
08/14 02Z,   0.30,   0.21,  99.90,   0.46,  -0.05,
08/14 03Z,   0.40,   0.14,  99.90,   0.51,  -0.04,  (max)
08/14 04Z,   0.30,  -0.54,  99.90,  -0.25,  -0.02,
08/14 05Z,   0.30,  -1.51,  99.90,  -1.21,   0.00,
08/14 06Z,   0.30,  -2.42,  99.90,  -2.10,   0.02,
08/14 07Z,   0.30,  -2.99,  99.90,  -2.65,   0.04,
08/14 08Z,   0.30,  -3.10,  99.90,  -2.74,   0.06,  (min)
08/14 09Z,   0.30,  -2.82,  99.90,  -2.44,   0.08,
08/14 10Z,   0.30,  -2.30,  99.90,  -1.93,   0.08,
08/14 11Z,   0.30,  -1.73,  99.90,  -1.36,   0.08,
08/14 12Z,   0.30,  -1.32,  99.90,  -0.94,   0.08,
08/14 13Z,   0.30,  -1.26,  99.90,  -0.89,   0.08,  (max)
08/14 14Z,   0.30,  -1.75,  99.90,  -1.37,   0.08,
08/14 15Z,   0.30,  -2.83,  99.90,  -2.45,   0.08,
08/14 16Z,   0.30,  -4.35,  99.90,  -3.97,   0.08,
08/14 17Z,   0.30,  -5.97,  99.90,  -5.60,   0.08,
08/14 18Z,   0.20,  -7.29,  99.90,  -7.01,   0.08,
08/14 19Z,   0.20,  -7.96,  99.90,  -7.68,   0.08,  (min)
08/14 20Z,   0.20,  -7.85,  99.90,  -7.58,   0.08,
08/14 21Z,   0.20,  -7.02,  99.90,  -6.74,   0.08,
08/14 22Z,   0.20,  -5.66,  99.90,  -5.38,   0.08,
08/14 23Z,   0.20,  -4.01,  99.90,  -3.73,   0.08,
08/15 00Z,   0.20,  -2.33,  99.90,  -2.05,   0.08,
08/15 01Z,   0.20,  -0.90,  99.90,  -0.62,   0.08,
08/15 02Z,   0.30,   0.01,  99.90,   0.39,   0.08,
08/15 03Z,   0.30,   0.21,  99.90,   0.59,   0.08,  (max)
08/15 04Z,   0.30,  -0.30,  99.90,   0.08,   0.08,
08/15 05Z,   0.20,  -1.32,  99.90,  -1.05,   0.08,
08/15 06Z,   0.30,  -2.50,  99.90,  -2.12,   0.08,
08/15 07Z,   0.30,  -3.46,  99.90,  -3.09,   0.08,
08/15 08Z,   0.20,  -3.99,  99.90,  -3.71,   0.08,
08/15 09Z,   0.20,  -4.02,  99.90,  -3.74,   0.08,  (min)
08/15 10Z,   0.20,  -3.64,  99.90,  -3.36,   0.08,
08/15 11Z,   0.20,  -3.01,  99.90,  -2.73,   0.08,
08/15 12Z,   0.20,  -2.33,  99.90,  -2.05,   0.08,
08/15 13Z,   0.20,  -1.80,  99.90,  -1.52,   0.08,
08/15 14Z,   0.10,  -1.64,  99.90,  -1.46,   0.08,  (max)
08/15 15Z,   0.10,  -2.00,  99.90,  -1.83,   0.08,
08/15 16Z,   0.10,  -2.92,  99.90,  -2.74,   0.08,
08/15 17Z,   0.10,  -4.19,  99.90,  -4.01,   0.08,
08/15 18Z,   0.10,  -5.49,  99.90,  -5.31,   0.08,
08/15 19Z,   0.00,  -6.44,  99.90,  -6.36,   0.08,
08/15 20Z,   0.00,  -6.78,  99.90,  -6.70,   0.08,  (min)
08/15 21Z,   0.00,  -6.44,  99.90,  -6.36,   0.08,
08/15 22Z,   0.00,  -5.51,  99.90,  -5.44,   0.08,
08/15 23Z,   0.00,  -4.19,  99.90,  -4.12,   0.08,
08/16 00Z,   0.00,  -2.71,  99.90,  -2.64,   0.08,
08/16 01Z,   0.00,  -1.32,  99.90,  -1.25,   0.08,
08/16 02Z,   0.10,  -0.29,  99.90,  -0.11,   0.08,
08/16 03Z,   0.10,   0.16,  99.90,   0.34,   0.08,  (max)
08/16 04Z,   0.10,  -0.10,  99.90,   0.07,   0.08,
08/16 05Z,   0.10,  -1.00,  99.90,  -0.83,   0.08,
08/16 06Z,   0.10,  -2.28,  99.90,  -2.10,   0.08,
08/16 07Z,   0.10,  -3.56,  99.90,  -3.38,   0.08,
08/16 08Z,   0.10,  -4.50,  99.90,  -4.33,   0.08,
08/16 09Z,   0.10,  -4.94,  99.90,  -4.77,   0.08,
08/16 10Z,   0.00,  -4.86,  99.90,  -4.79,   0.08,  (min)
08/16 11Z,   0.00,  -4.38,  99.90,  -4.30,   0.08,
08/16 12Z,   0.10,  -3.65,  99.90,  -3.47,   0.08,
08/16 13Z,   0.10,  -2.86,  99.90,  -2.69,   0.08,
08/16 14Z,   0.00,  -2.23,  99.90,  -2.16,   0.08,
08/16 15Z,   0.00,  -1.96,  99.90,  -1.88,   0.08,  (max)
08/16 16Z,   0.00,  -2.18,  99.90,  -2.10,   0.08,
08/16 17Z,   0.00,  -2.86,  99.90,  -2.79,   0.08,
08/16 18Z,   0.00,  -3.83,  99.90,  -3.75,   0.08,
08/16 19Z,   0.00,  -4.76,  99.90,  -4.68,   0.08,
08/16 20Z,   0.00,  -5.35,  99.90,  -5.27,   0.08,
08/16 21Z,   0.00,  -5.41,  99.90,  -5.34,   0.08,  (min)
08/16 22Z,   0.00,  -4.94,  99.90,  -4.86,   0.08,
08/16 23Z,   0.00,  -4.03,  99.90,  -3.95,   0.08,
08/17 00Z,   0.00,  -2.86,  99.90,  -2.79,   0.08,
08/17 01Z,   0.00,  -1.65,  99.90,  -1.58,   0.08,
08/17 02Z,   0.00,  -0.63,  99.90,  -0.56,   0.08,
08/17 03Z,   0.10,  -0.03,  99.90,   0.14,   0.08,  (max)
08/17 04Z,   0.10,  -0.04,  99.90,   0.14,   0.08,
08/17 05Z,   0.00,  -0.70,  99.90,  -0.63,   0.08,
08/17 06Z,   0.10,  -1.89,  99.90,  -1.72,   0.08,
08/17 07Z,   0.10,  -3.30,  99.90,  -3.12,   0.08,
08/17 08Z,   0.10,  -4.57,  99.90,  -4.40,   0.08,
08/17 09Z,   0.00,  -5.43,  99.90,  -5.36,   0.08,
08/17 10Z,   0.00,  -5.75,  99.90,  -5.68,   0.08,  (min)
08/17 11Z,   0.10,  -5.56,  99.90,  -5.39,   0.08,
08/17 12Z,   0.10,  -4.98,  99.90,  -4.80,   0.08,
08/17 13Z,  99.90,  -4.16,  99.90,  99.90,   0.08,
08/17 14Z,  99.90,  -3.29,  99.90,  99.90,   0.08,
08/17 15Z,  99.90,  -2.56,  99.90,  99.90,   0.08,
08/17 16Z,  99.90,  -2.17,  99.90,  99.90,   0.08,
08/17 17Z,  99.90,  -2.20,  99.90,  99.90,   0.08,
08/17 18Z,  99.90,  -2.63,  99.90,  99.90,   0.08,