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 : 08/12/2026 02:22:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,   0.30,  -2.45,  -2.07,  99.90,   0.08,
08/10 07Z,   0.30,  -2.26,  -1.91,  99.90,   0.05,
08/10 08Z,   0.20,  -2.25,  -1.87,  99.90,   0.18,  (max)
08/10 09Z,   0.30,  -2.56,  -2.14,  99.90,   0.12,
08/10 10Z,   0.30,  -3.31,  -2.79,  99.90,   0.22,
08/10 11Z,   0.30,  -4.56,  -4.01,  99.90,   0.25,
08/10 12Z,   0.20,  -6.25,  -5.69,  99.90,   0.36,
08/10 13Z,   0.20,  -8.20,  -7.70,  99.90,   0.30,
08/10 14Z,   0.30, -10.08,  -9.67,  99.90,   0.11,
08/10 15Z,   0.20, -11.51, -11.22,  99.90,   0.09,
08/10 16Z,   0.20, -12.21, -11.94,  99.90,   0.07,  (min)
08/10 17Z,   0.20, -12.07, -11.80,  99.90,   0.07,
08/10 18Z,   0.10, -11.17, -10.92,  99.90,   0.15,
08/10 19Z,   0.10,  -9.72,  -9.57,  99.90,   0.05,
08/10 20Z,   0.00,  -7.97,  -7.87,  99.90,   0.10,
08/10 21Z,   0.10,  -6.12,  -6.10,  99.90,  -0.08,
08/10 22Z,   0.10,  -4.41,  -4.51,  99.90,  -0.20,
08/10 23Z,   0.10,  -3.03,  -3.10,  99.90,  -0.17,
08/11 00Z,   0.10,  -2.16,  -2.20,  99.90,  -0.14,
08/11 01Z,   0.10,  -1.86,  -1.80,  99.90,  -0.04,  (max)
08/11 02Z,   0.10,  -2.03,  -1.98,  99.90,  -0.05,
08/11 03Z,   0.10,  -2.44,  -2.32,  99.90,   0.02,
08/11 04Z,   0.10,  -2.83,  -2.67,  99.90,   0.06,
08/11 05Z,   0.10,  -3.00,  -2.80,  99.90,   0.10,  (min)
08/11 06Z,   0.20,  -2.93,  -2.65,  99.90,   0.08,
08/11 07Z,   0.10,  -2.69,  -2.43,  99.90,   0.16,
08/11 08Z,   0.10,  -2.45,  -2.09,  99.90,   0.26,
08/11 09Z,   0.10,  -2.38,  -1.95,  99.90,   0.33,  (max)
08/11 10Z,   0.20,  -2.62,  -2.13,  99.90,   0.29,
08/11 11Z,   0.10,  -3.33,  -2.82,  99.90,   0.41,
08/11 12Z,   0.20,  -4.58,  -4.01,  99.90,   0.37,
08/11 13Z,   0.20,  -6.32,  -5.67,  99.90,   0.45,
08/11 14Z,   0.20,  -8.33,  -7.77,  99.90,   0.36,
08/11 15Z,   0.20, -10.23,  -9.90,  99.90,   0.13,
08/11 16Z,   0.10, -11.62, -11.45,  99.90,   0.07,
08/11 17Z,   0.10, -12.22, -12.05,  99.90,   0.07,  (min)
08/11 18Z,   0.20, -11.95, -11.72,  99.90,   0.03,
08/11 19Z,   0.10, -10.91, -10.75,  99.90,   0.06,
08/11 20Z,   0.10,  -9.34,  -9.35,  99.90,  -0.11,
08/11 21Z,   0.10,  -7.47,  -7.46,  99.90,  -0.09,
08/11 22Z,   0.20,  -5.55,  -5.67,  99.90,  -0.32,
08/11 23Z,   0.10,  -3.83,  -3.96,  99.90,  -0.23,
08/12 00Z,   0.10,  -2.55,  -2.66,  99.90,  -0.21,
08/12 01Z,   0.10,  -1.88,  -2.00,  99.90,  -0.22,
08/12 02Z,   0.20,  -1.83,  -1.88,  99.90,  -0.25,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/12 03Z,   0.20,  -2.26,  99.90,  -2.28,  -0.21,
08/12 04Z,   0.20,  -2.87,  99.90,  -2.85,  -0.18,
08/12 05Z,   0.20,  -3.35,  99.90,  -3.30,  -0.15,
08/12 06Z,   0.20,  -3.55,  99.90,  -3.46,  -0.12,  (min)
08/12 07Z,   0.20,  -3.43,  99.90,  -3.31,  -0.08,
08/12 08Z,   0.20,  -3.12,  99.90,  -2.97,  -0.05,
08/12 09Z,   0.20,  -2.79,  99.90,  -2.61,  -0.02,
08/12 10Z,   0.20,  -2.61,  99.90,  -2.39,   0.01,  (max)
08/12 11Z,   0.20,  -2.76,  99.90,  -2.51,   0.05,
08/12 12Z,   0.20,  -3.41,  99.90,  -3.13,   0.08,
08/12 13Z,   0.30,  -4.64,  99.90,  -4.23,   0.11,
08/12 14Z,   0.20,  -6.39,  99.90,  -6.04,   0.14,
08/12 15Z,   0.20,  -8.38,  99.90,  -8.03,   0.14,
08/12 16Z,   0.20, -10.20,  99.90,  -9.85,   0.14,
08/12 17Z,   0.30, -11.45,  99.90, -11.00,   0.14,
08/12 18Z,   0.20, -11.86,  99.90, -11.51,   0.14,  (min)
08/12 19Z,   0.20, -11.40,  99.90, -11.06,   0.14,
08/12 20Z,   0.20, -10.22,  99.90,  -9.87,   0.14,
08/12 21Z,   0.30,  -8.54,  99.90,  -8.10,   0.14,
08/12 22Z,   0.30,  -6.63,  99.90,  -6.19,   0.14,
08/12 23Z,   0.20,  -4.75,  99.90,  -4.41,   0.14,
08/13 00Z,   0.30,  -3.17,  99.90,  -2.72,   0.14,
08/13 01Z,   0.30,  -2.13,  99.90,  -1.69,   0.14,
08/13 02Z,   0.30,  -1.79,  99.90,  -1.34,   0.14,  (max)
08/13 03Z,   0.30,  -2.09,  99.90,  -1.65,   0.14,
08/13 04Z,   0.30,  -2.80,  99.90,  -2.36,   0.14,
08/13 05Z,   0.40,  -3.58,  99.90,  -3.04,   0.14,
08/13 06Z,   0.40,  -4.13,  99.90,  -3.59,   0.14,
08/13 07Z,   0.40,  -4.30,  99.90,  -3.76,   0.14,  (min)
08/13 08Z,   0.40,  -4.12,  99.90,  -3.57,   0.14,
08/13 09Z,   0.40,  -3.71,  99.90,  -3.16,   0.14,
08/13 10Z,   0.40,  -3.26,  99.90,  -2.71,   0.14,
08/13 11Z,   0.40,  -2.96,  99.90,  -2.41,   0.14,
08/13 12Z,   0.50,  -3.01,  99.90,  -2.36,   0.14,  (max)
08/13 13Z,   0.40,  -3.59,  99.90,  -3.04,   0.14,
08/13 14Z,   0.40,  -4.77,  99.90,  -4.22,   0.14,
08/13 15Z,   0.40,  -6.45,  99.90,  -5.90,   0.14,
08/13 16Z,   0.40,  -8.31,  99.90,  -7.77,   0.14,
08/13 17Z,   0.40,  -9.93,  99.90,  -9.39,   0.14,
08/13 18Z,   0.40, -10.93,  99.90, -10.38,   0.14,
08/13 19Z,   0.40, -11.09,  99.90, -10.54,   0.14,  (min)
08/13 20Z,   0.40, -10.43,  99.90,  -9.88,   0.14,
08/13 21Z,   0.40,  -9.12,  99.90,  -8.58,   0.14,
08/13 22Z,   0.40,  -7.41,  99.90,  -6.87,   0.14,
08/13 23Z,   0.40,  -5.56,  99.90,  -5.01,   0.14,
08/14 00Z,   0.40,  -3.84,  99.90,  -3.29,   0.14,
08/14 01Z,   0.40,  -2.53,  99.90,  -1.99,   0.14,
08/14 02Z,   0.50,  -1.88,  99.90,  -1.23,   0.14,  (max)
08/14 03Z,   0.50,  -1.95,  99.90,  -1.30,   0.14,
08/14 04Z,   0.50,  -2.63,  99.90,  -1.98,   0.14,
08/14 05Z,   0.50,  -3.60,  99.90,  -2.96,   0.14,
08/14 06Z,   0.50,  -4.51,  99.90,  -3.87,   0.14,
08/14 07Z,   0.50,  -5.08,  99.90,  -4.43,   0.14,
08/14 08Z,   0.50,  -5.19,  99.90,  -4.54,   0.14,  (min)
08/14 09Z,   0.50,  -4.91,  99.90,  -4.27,   0.14,
08/14 10Z,   0.50,  -4.39,  99.90,  -3.75,   0.14,
08/14 11Z,   0.50,  -3.82,  99.90,  -3.18,   0.14,
08/14 12Z,   0.50,  -3.41,  99.90,  -2.76,   0.14,
08/14 13Z,   0.50,  -3.35,  99.90,  -2.71,   0.14,  (max)
08/14 14Z,   0.50,  -3.84,  99.90,  -3.19,   0.14,
08/14 15Z,   0.50,  -4.92,  99.90,  -4.27,   0.14,
08/14 16Z,   0.50,  -6.44,  99.90,  -5.79,   0.14,
08/14 17Z,   0.50,  -8.06,  99.90,  -7.42,   0.14,
08/14 18Z,   0.40,  -9.38,  99.90,  -8.83,   0.14,
08/14 19Z,   0.40, -10.05,  99.90,  -9.51,   0.14,  (min)
08/14 20Z,   0.40,  -9.94,  99.90,  -9.40,   0.14,
08/14 21Z,   0.40,  -9.11,  99.90,  -8.56,   0.14,
08/14 22Z,   0.40,  -7.75,  99.90,  -7.20,   0.14,
08/14 23Z,   0.40,  -6.10,  99.90,  -5.55,   0.14,
08/15 00Z,   0.40,  -4.42,  99.90,  -3.87,   0.14,
08/15 01Z,   0.40,  -2.99,  99.90,  -2.44,   0.14,
08/15 02Z,   0.40,  -2.08,  99.90,  -1.54,   0.14,
08/15 03Z,   0.50,  -1.88,  99.90,  -1.23,   0.14,  (max)
08/15 04Z,   0.50,  -2.39,  99.90,  -1.75,   0.14,
08/15 05Z,   0.40,  -3.41,  99.90,  -2.87,   0.14,
08/15 06Z,   0.50,  -4.59,  99.90,  -3.94,   0.14,
08/15 07Z,   0.50,  -5.55,  99.90,  -4.91,   0.14,
08/15 08Z,   0.40,  -6.08,  99.90,  -5.53,   0.14,
08/15 09Z,   0.40,  -6.11,  99.90,  -5.56,   0.14,  (min)
08/15 10Z,   0.40,  -5.73,  99.90,  -5.18,   0.14,
08/15 11Z,   0.40,  -5.10,  99.90,  -4.55,   0.14,
08/15 12Z,   0.40,  -4.42,  99.90,  -3.87,   0.14,
08/15 13Z,   0.40,  -3.89,  99.90,  -3.34,   0.14,
08/15 14Z,   0.30,  -3.73,  99.90,  -3.28,   0.14,  (max)
08/15 15Z,   0.30,  -4.09,  99.90,  -3.65,   0.14,
08/15 16Z,   0.30,  -5.01,  99.90,  -4.56,   0.14,
08/15 17Z,   0.40,  -6.28,  99.90,  -5.73,   0.14,
08/15 18Z,   0.30,  -7.58,  99.90,  -7.13,   0.14,