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
#Seattle, WA : 09/07/2026 23:22:51 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/06 06Z,   0.90,  -3.71,  -3.20,  99.90,  -0.39,
09/06 07Z,   0.90,  -3.70,  -3.26,  99.90,  -0.46,  (max)
09/06 08Z,   0.90,  -4.35,  -3.92,  99.90,  -0.47,
09/06 09Z,   0.90,  -5.69,  -5.27,  99.90,  -0.48,
09/06 10Z,   0.90,  -7.59,  -7.13,  99.90,  -0.44,
09/06 11Z,   0.90,  -9.80,  -9.37,  99.90,  -0.47,
09/06 12Z,   0.80, -11.97, -11.57,  99.90,  -0.40,
09/06 13Z,   0.80, -13.61, -13.17,  99.90,  -0.36,
09/06 14Z,   0.80, -14.26, -13.77,  99.90,  -0.31,  (min)
09/06 15Z,   0.80, -13.81, -13.25,  99.90,  -0.24,
09/06 16Z,   0.80, -12.43, -11.93,  99.90,  -0.30,
09/06 17Z,   0.80, -10.46,  -9.89,  99.90,  -0.23,
09/06 18Z,   0.70,  -8.25,  -7.42,  99.90,   0.13,
09/06 19Z,   0.70,  -6.18,  -5.13,  99.90,   0.35,
09/06 20Z,   0.70,  -4.56,  -3.41,  99.90,   0.45,
09/06 21Z,   0.70,  -3.52,  -2.38,  99.90,   0.44,
09/06 22Z,   0.70,  -3.02,  -1.94,  99.90,   0.38,  (max)
09/06 23Z,   0.70,  -3.03,  -2.15,  99.90,   0.18,
09/07 00Z,   0.70,  -3.54,  -2.67,  99.90,   0.17,
09/07 01Z,   0.70,  -4.39,  -3.45,  99.90,   0.24,
09/07 02Z,   0.70,  -5.21,  -4.29,  99.90,   0.22,
09/07 03Z,   0.70,  -5.70,  -4.86,  99.90,   0.14,
09/07 04Z,   0.70,  -5.75,  -4.88,  99.90,   0.17,  (min)
09/07 05Z,   0.80,  -5.38,  -4.52,  99.90,   0.06,
09/07 06Z,   0.90,  -4.72,  -3.99,  99.90,  -0.17,
09/07 07Z,   0.90,  -4.06,  -3.50,  99.90,  -0.34,
09/07 08Z,   0.90,  -3.77,  -3.29,  99.90,  -0.42,  (max)
09/07 09Z,   0.90,  -4.19,  -3.70,  99.90,  -0.41,
09/07 10Z,   0.90,  -5.35,  -4.90,  99.90,  -0.45,
09/07 11Z,   0.90,  -7.17,  -6.68,  99.90,  -0.41,
09/07 12Z,   0.80,  -9.43,  -9.00,  99.90,  -0.37,
09/07 13Z,   0.80, -11.76, -11.43,  99.90,  -0.47,
09/07 14Z,   0.80, -13.60, -13.34,  99.90,  -0.54,
09/07 15Z,   0.80, -14.44, -14.26,  99.90,  -0.62,  (min)
09/07 16Z,   0.80, -14.11, -13.91,  99.90,  -0.60,
09/07 17Z,   0.80, -12.74, -12.58,  99.90,  -0.64,
09/07 18Z,   0.60, -10.65, -10.41,  99.90,  -0.36,
09/07 19Z,   0.60,  -8.23,  -7.71,  99.90,  -0.08,
09/07 20Z,   0.50,  -5.94,  -5.25,  99.90,   0.19,
09/07 21Z,   0.50,  -4.15,  -3.33,  99.90,   0.32,
09/07 22Z,   0.50,  -3.00,  -2.20,  99.90,   0.30,
09/07 23Z,   0.50,  -2.52,  -1.88,  99.90,   0.14,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/08 00Z,   0.50,  -2.72,  99.90,  -2.10,   0.12,
09/08 01Z,   0.50,  -3.56,  99.90,  -2.96,   0.10,
09/08 02Z,   0.50,  -4.79,  99.90,  -4.21,   0.07,
09/08 03Z,   0.50,  -5.95,  99.90,  -5.39,   0.05,
09/08 04Z,   0.50,  -6.64,  99.90,  -6.11,   0.03,
09/08 05Z,   0.50,  -6.70,  99.90,  -6.19,   0.01,  (min)
09/08 06Z,   0.50,  -6.16,  99.90,  -5.67,  -0.01,
09/08 07Z,   0.50,  -5.20,  99.90,  -4.73,  -0.03,
09/08 08Z,   0.50,  -4.20,  99.90,  -3.75,  -0.05,
09/08 09Z,   0.50,  -3.64,  99.90,  -3.21,  -0.08,  (max)
09/08 10Z,   0.50,  -3.85,  99.90,  -3.45,  -0.10,
09/08 11Z,   0.40,  -4.93,  99.90,  -4.65,  -0.12,
09/08 12Z,   0.40,  -6.77,  99.90,  -6.48,  -0.12,
09/08 13Z,   0.40,  -9.16,  99.90,  -8.88,  -0.12,
09/08 14Z,   0.40, -11.67,  99.90, -11.38,  -0.12,
09/08 15Z,   0.40, -13.65,  99.90, -13.37,  -0.12,
09/08 16Z,   0.40, -14.56,  99.90, -14.28,  -0.12,  (min)
09/08 17Z,   0.40, -14.18,  99.90, -13.90,  -0.12,
09/08 18Z,   0.40, -12.67,  99.90, -12.39,  -0.12,
09/08 19Z,   0.40, -10.37,  99.90, -10.09,  -0.12,
09/08 20Z,   0.40,  -7.74,  99.90,  -7.46,  -0.12,
09/08 21Z,   0.40,  -5.31,  99.90,  -5.03,  -0.12,
09/08 22Z,   0.40,  -3.48,  99.90,  -3.20,  -0.12,
09/08 23Z,   0.40,  -2.44,  99.90,  -2.16,  -0.12,
09/09 00Z,   0.30,  -2.21,  99.90,  -2.03,  -0.12,  (max)
09/09 01Z,   0.30,  -2.80,  99.90,  -2.62,  -0.12,
09/09 02Z,   0.30,  -4.11,  99.90,  -3.92,  -0.12,
09/09 03Z,   0.30,  -5.73,  99.90,  -5.55,  -0.12,
09/09 04Z,   0.30,  -7.13,  99.90,  -6.95,  -0.12,
09/09 05Z,   0.30,  -7.84,  99.90,  -7.66,  -0.12,  (min)
09/09 06Z,   0.30,  -7.72,  99.90,  -7.54,  -0.12,
09/09 07Z,   0.30,  -6.84,  99.90,  -6.66,  -0.12,
09/09 08Z,   0.30,  -5.49,  99.90,  -5.31,  -0.12,
09/09 09Z,   0.30,  -4.16,  99.90,  -3.98,  -0.12,
09/09 10Z,   0.30,  -3.39,  99.90,  -3.21,  -0.12,  (max)
09/09 11Z,   0.30,  -3.51,  99.90,  -3.33,  -0.12,
09/09 12Z,   0.30,  -4.59,  99.90,  -4.41,  -0.12,
09/09 13Z,   0.30,  -6.52,  99.90,  -6.34,  -0.12,
09/09 14Z,   0.30,  -9.05,  99.90,  -8.86,  -0.12,
09/09 15Z,   0.30, -11.66,  99.90, -11.48,  -0.12,
09/09 16Z,   0.30, -13.64,  99.90, -13.46,  -0.12,
09/09 17Z,   0.30, -14.43,  99.90, -14.25,  -0.12,  (min)
09/09 18Z,   0.30, -13.85,  99.90, -13.67,  -0.12,
09/09 19Z,   0.30, -12.08,  99.90, -11.90,  -0.12,
09/09 20Z,   0.30,  -9.54,  99.90,  -9.36,  -0.12,
09/09 21Z,   0.30,  -6.77,  99.90,  -6.59,  -0.12,
09/09 22Z,   0.30,  -4.37,  99.90,  -4.19,  -0.12,
09/09 23Z,   0.30,  -2.73,  99.90,  -2.55,  -0.12,
09/10 00Z,   0.30,  -2.02,  99.90,  -1.84,  -0.12,  (max)
09/10 01Z,   0.30,  -2.25,  99.90,  -2.07,  -0.12,
09/10 02Z,   0.30,  -3.37,  99.90,  -3.19,  -0.12,
09/10 03Z,   0.30,  -5.16,  99.90,  -4.98,  -0.12,
09/10 04Z,   0.30,  -7.11,  99.90,  -6.93,  -0.12,
09/10 05Z,   0.30,  -8.56,  99.90,  -8.38,  -0.12,
09/10 06Z,   0.30,  -9.10,  99.90,  -8.92,  -0.12,  (min)
09/10 07Z,   0.40,  -8.62,  99.90,  -8.34,  -0.12,
09/10 08Z,   0.40,  -7.32,  99.90,  -7.04,  -0.12,
09/10 09Z,   0.40,  -5.59,  99.90,  -5.31,  -0.12,
09/10 10Z,   0.40,  -4.02,  99.90,  -3.74,  -0.12,
09/10 11Z,   0.40,  -3.16,  99.90,  -2.88,  -0.12,  (max)
09/10 12Z,   0.40,  -3.29,  99.90,  -3.01,  -0.12,
09/10 13Z,   0.40,  -4.44,  99.90,  -4.16,  -0.12,
09/10 14Z,   0.40,  -6.46,  99.90,  -6.18,  -0.12,
09/10 15Z,   0.50,  -9.05,  99.90,  -8.67,  -0.12,
09/10 16Z,   0.50, -11.61,  99.90, -11.23,  -0.12,
09/10 17Z,   0.50, -13.40,  99.90, -13.02,  -0.12,
09/10 18Z,   0.50, -13.89,  99.90, -13.51,  -0.12,  (min)
09/10 19Z,   0.50, -12.98,  99.90, -12.60,  -0.12,
09/10 20Z,   0.50, -10.94,  99.90, -10.56,  -0.12,
09/10 21Z,   0.50,  -8.25,  99.90,  -7.87,  -0.12,
09/10 22Z,   0.50,  -5.52,  99.90,  -5.14,  -0.12,
09/10 23Z,   0.50,  -3.35,  99.90,  -2.97,  -0.12,
09/11 00Z,   0.50,  -2.12,  99.90,  -1.74,  -0.12,
09/11 01Z,   0.50,  -1.93,  99.90,  -1.55,  -0.12,  (max)
09/11 02Z,   0.50,  -2.74,  99.90,  -2.36,  -0.12,
09/11 03Z,   0.50,  -4.43,  99.90,  -4.05,  -0.12,
09/11 04Z,   0.50,  -6.63,  99.90,  -6.25,  -0.12,
09/11 05Z,   0.50,  -8.72,  99.90,  -8.34,  -0.12,
09/11 06Z,   0.50, -10.03,  99.90,  -9.65,  -0.12,
09/11 07Z,   0.50, -10.21,  99.90,  -9.83,  -0.12,  (min)
09/11 08Z,   0.50,  -9.28,  99.90,  -8.90,  -0.12,
09/11 09Z,   0.50,  -7.56,  99.90,  -7.18,  -0.12,
09/11 10Z,   0.50,  -5.54,  99.90,  -5.16,  -0.12,
09/11 11Z,   0.50,  -3.86,  99.90,  -3.47,  -0.12,
09/11 12Z,   0.50,  -3.01,  99.90,  -2.63,  -0.12,  (max)
09/11 13Z,   0.50,  -3.23,  99.90,  -2.85,  -0.12,
09/11 14Z,   0.50,  -4.47,  99.90,  -4.09,  -0.12,
09/11 15Z,   0.50,  -6.53,  99.90,  -6.15,  -0.12,
09/11 16Z,   0.50,  -9.05,  99.90,  -8.67,  -0.12,
09/11 17Z,   0.50, -11.38,  99.90, -11.00,  -0.12,
09/11 18Z,   0.50, -12.81,  99.90, -12.42,  -0.12,