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 : 08/11/2026 04:22:57 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/09 12Z,   0.30,  -7.99,  -7.58,  99.90,   0.11,
08/09 13Z,   0.30,  -9.78,  -9.38,  99.90,   0.10,
08/09 14Z,   0.30, -11.17, -10.76,  99.90,   0.11,
08/09 15Z,   0.30, -11.89, -11.47,  99.90,   0.12,  (min)
08/09 16Z,   0.20, -11.83, -11.35,  99.90,   0.28,
08/09 17Z,   0.20, -11.05, -10.61,  99.90,   0.24,
08/09 18Z,   0.10,  -9.74,  -9.41,  99.90,   0.23,
08/09 19Z,   0.00,  -8.13,  -7.73,  99.90,   0.40,
08/09 20Z,   0.00,  -6.43,  -6.11,  99.90,   0.32,
08/09 21Z,   0.10,  -4.84,  -4.66,  99.90,   0.08,
08/09 22Z,   0.10,  -3.51,  -3.41,  99.90,   0.00,
08/09 23Z,   0.10,  -2.59,  -2.37,  99.90,   0.12,
08/10 00Z,   0.10,  -2.15,  -1.89,  99.90,   0.16,
08/10 01Z,   0.20,  -2.13,  -1.86,  99.90,   0.07,  (max)
08/10 02Z,   0.20,  -2.37,  -2.10,  99.90,   0.07,
08/10 03Z,   0.20,  -2.63,  -2.36,  99.90,   0.07,
08/10 04Z,   0.10,  -2.74,  -2.43,  99.90,   0.21,  (min)
08/10 05Z,   0.20,  -2.66,  -2.28,  99.90,   0.18,
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,   0.00,  -2.16,  -2.20,  99.90,  -0.04,
08/11 01Z,   0.10,  -1.86,  -1.80,  99.90,  -0.04,  (max)
08/11 02Z,   0.20,  -2.03,  -1.98,  99.90,  -0.15,
08/11 03Z,   0.20,  -2.44,  -2.32,  99.90,  -0.08,
08/11 04Z,   0.10,  -2.83,  -2.67,  99.90,   0.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 05Z,   0.20,  -3.00,  99.90,  -2.74,   0.07,  (min)
08/11 06Z,   0.20,  -2.93,  99.90,  -2.65,   0.07,
08/11 07Z,   0.10,  -2.69,  99.90,  -2.51,   0.08,
08/11 08Z,   0.10,  -2.45,  99.90,  -2.26,   0.09,
08/11 09Z,   0.10,  -2.38,  99.90,  -2.18,   0.10,  (max)
08/11 10Z,   0.10,  -2.62,  99.90,  -2.42,   0.11,
08/11 11Z,   0.10,  -3.33,  99.90,  -3.12,   0.11,
08/11 12Z,   0.10,  -4.58,  99.90,  -4.36,   0.12,
08/11 13Z,   0.20,  -6.32,  99.90,  -5.99,   0.13,
08/11 14Z,   0.10,  -8.33,  99.90,  -8.09,   0.14,
08/11 15Z,   0.00, -10.23,  99.90, -10.09,   0.14,
08/11 16Z,   0.10, -11.62,  99.90, -11.37,   0.15,
08/11 17Z,   0.10, -12.22,  99.90, -11.97,   0.15,  (min)
08/11 18Z,   0.00, -11.95,  99.90, -11.80,   0.15,
08/11 19Z,   0.00, -10.91,  99.90, -10.76,   0.15,
08/11 20Z,   0.00,  -9.34,  99.90,  -9.18,   0.15,
08/11 21Z,   0.00,  -7.47,  99.90,  -7.32,   0.15,
08/11 22Z,   0.10,  -5.55,  99.90,  -5.30,   0.15,
08/11 23Z,   0.10,  -3.83,  99.90,  -3.58,   0.15,
08/12 00Z,   0.00,  -2.55,  99.90,  -2.40,   0.15,
08/12 01Z,   0.00,  -1.88,  99.90,  -1.72,   0.15,
08/12 02Z,   0.10,  -1.83,  99.90,  -1.58,   0.15,  (max)
08/12 03Z,   0.10,  -2.26,  99.90,  -2.01,   0.15,
08/12 04Z,   0.10,  -2.87,  99.90,  -2.62,   0.15,
08/12 05Z,   0.10,  -3.35,  99.90,  -3.10,   0.15,
08/12 06Z,   0.10,  -3.55,  99.90,  -3.30,   0.15,  (min)
08/12 07Z,   0.10,  -3.43,  99.90,  -3.18,   0.15,
08/12 08Z,   0.10,  -3.12,  99.90,  -2.87,   0.15,
08/12 09Z,   0.10,  -2.79,  99.90,  -2.54,   0.15,
08/12 10Z,   0.10,  -2.61,  99.90,  -2.35,   0.15,  (max)
08/12 11Z,   0.10,  -2.76,  99.90,  -2.51,   0.15,
08/12 12Z,   0.20,  -3.41,  99.90,  -3.06,   0.15,
08/12 13Z,   0.20,  -4.64,  99.90,  -4.29,   0.15,
08/12 14Z,   0.10,  -6.39,  99.90,  -6.14,   0.15,
08/12 15Z,   0.10,  -8.38,  99.90,  -8.13,   0.15,
08/12 16Z,   0.10, -10.20,  99.90,  -9.95,   0.15,
08/12 17Z,   0.10, -11.45,  99.90, -11.19,   0.15,
08/12 18Z,   0.10, -11.86,  99.90, -11.61,   0.15,  (min)
08/12 19Z,   0.10, -11.40,  99.90, -11.15,   0.15,
08/12 20Z,   0.10, -10.22,  99.90,  -9.97,   0.15,
08/12 21Z,   0.10,  -8.54,  99.90,  -8.29,   0.15,
08/12 22Z,   0.10,  -6.63,  99.90,  -6.38,   0.15,
08/12 23Z,   0.10,  -4.75,  99.90,  -4.50,   0.15,
08/13 00Z,   0.10,  -3.17,  99.90,  -2.92,   0.15,
08/13 01Z,   0.20,  -2.13,  99.90,  -1.78,   0.15,
08/13 02Z,   0.20,  -1.79,  99.90,  -1.44,   0.15,  (max)
08/13 03Z,   0.20,  -2.09,  99.90,  -1.74,   0.15,
08/13 04Z,   0.20,  -2.80,  99.90,  -2.45,   0.15,
08/13 05Z,   0.20,  -3.58,  99.90,  -3.23,   0.15,
08/13 06Z,   0.30,  -4.13,  99.90,  -3.68,   0.15,
08/13 07Z,   0.30,  -4.30,  99.90,  -3.85,   0.15,  (min)
08/13 08Z,   0.30,  -4.12,  99.90,  -3.66,   0.15,
08/13 09Z,   0.30,  -3.71,  99.90,  -3.26,   0.15,
08/13 10Z,   0.30,  -3.26,  99.90,  -2.81,   0.15,
08/13 11Z,   0.30,  -2.96,  99.90,  -2.51,   0.15,  (max)
08/13 12Z,   0.30,  -3.01,  99.90,  -2.56,   0.15,
08/13 13Z,   0.30,  -3.59,  99.90,  -3.13,   0.15,
08/13 14Z,   0.30,  -4.77,  99.90,  -4.32,   0.15,
08/13 15Z,   0.30,  -6.45,  99.90,  -6.00,   0.15,
08/13 16Z,   0.30,  -8.31,  99.90,  -7.86,   0.15,
08/13 17Z,   0.30,  -9.93,  99.90,  -9.48,   0.15,
08/13 18Z,   0.30, -10.93,  99.90, -10.48,   0.15,
08/13 19Z,   0.20, -11.09,  99.90, -10.74,   0.15,  (min)
08/13 20Z,   0.30, -10.43,  99.90,  -9.98,   0.15,
08/13 21Z,   0.30,  -9.12,  99.90,  -8.67,   0.15,
08/13 22Z,   0.30,  -7.41,  99.90,  -6.96,   0.15,
08/13 23Z,   0.30,  -5.56,  99.90,  -5.11,   0.15,
08/14 00Z,   0.30,  -3.84,  99.90,  -3.39,   0.15,
08/14 01Z,   0.30,  -2.53,  99.90,  -2.08,   0.15,
08/14 02Z,   0.30,  -1.88,  99.90,  -1.42,   0.15,
08/14 03Z,   0.40,  -1.95,  99.90,  -1.40,   0.15,  (max)
08/14 04Z,   0.40,  -2.63,  99.90,  -2.08,   0.15,
08/14 05Z,   0.40,  -3.60,  99.90,  -3.05,   0.15,
08/14 06Z,   0.40,  -4.51,  99.90,  -3.96,   0.15,
08/14 07Z,   0.40,  -5.08,  99.90,  -4.52,   0.15,
08/14 08Z,   0.30,  -5.19,  99.90,  -4.74,   0.15,  (min)
08/14 09Z,   0.30,  -4.91,  99.90,  -4.46,   0.15,
08/14 10Z,   0.30,  -4.39,  99.90,  -3.94,   0.15,
08/14 11Z,   0.30,  -3.82,  99.90,  -3.37,   0.15,
08/14 12Z,   0.40,  -3.41,  99.90,  -2.85,   0.15,
08/14 13Z,   0.40,  -3.35,  99.90,  -2.80,   0.15,  (max)
08/14 14Z,   0.30,  -3.84,  99.90,  -3.39,   0.15,
08/14 15Z,   0.30,  -4.92,  99.90,  -4.47,   0.15,
08/14 16Z,   0.30,  -6.44,  99.90,  -5.99,   0.15,
08/14 17Z,   0.30,  -8.06,  99.90,  -7.61,   0.15,
08/14 18Z,   0.30,  -9.38,  99.90,  -8.93,   0.15,
08/14 19Z,  99.90, -10.05,  99.90,  99.90,   0.15,
08/14 20Z,  99.90,  -9.94,  99.90,  99.90,   0.15,
08/14 21Z,  99.90,  -9.11,  99.90,  99.90,   0.15,
08/14 22Z,  99.90,  -7.75,  99.90,  99.90,   0.15,
08/14 23Z,  99.90,  -6.10,  99.90,  99.90,   0.15,
08/15 00Z,  99.90,  -4.42,  99.90,  99.90,   0.15,