EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
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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 : 10/08/2026 19:24:35 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 00Z,   0.80,  -3.28,  -2.99,  99.90,  -0.51,
10/07 01Z,   0.80,  -4.78,  -4.40,  99.90,  -0.42,
10/07 02Z,   0.80,  -6.49,  -6.13,  99.90,  -0.44,
10/07 03Z,   0.80,  -7.90,  -7.59,  99.90,  -0.49,
10/07 04Z,   0.80,  -8.64,  -8.25,  99.90,  -0.41,  (min)
10/07 05Z,   0.80,  -8.60,  -8.01,  99.90,  -0.21,
10/07 06Z,   0.80,  -7.81,  -7.13,  99.90,  -0.12,
10/07 07Z,   0.80,  -6.54,  -5.93,  99.90,  -0.19,
10/07 08Z,   0.80,  -5.27,  -4.64,  99.90,  -0.17,
10/07 09Z,   0.80,  -4.48,  -3.73,  99.90,  -0.05,
10/07 10Z,   0.80,  -4.44,  -3.71,  99.90,  -0.07,  (max)
10/07 11Z,   0.80,  -5.21,  -4.51,  99.90,  -0.10,
10/07 12Z,   0.90,  -6.71,  -5.99,  99.90,  -0.18,
10/07 13Z,   0.90,  -8.73,  -8.07,  99.90,  -0.24,
10/07 14Z,   0.90, -10.77, -10.23,  99.90,  -0.36,
10/07 15Z,   0.90, -12.22, -11.91,  99.90,  -0.59,
10/07 16Z,   0.90, -12.64, -12.51,  99.90,  -0.77,  (min)
10/07 17Z,   0.90, -11.95, -11.84,  99.90,  -0.79,
10/07 18Z,   0.90, -10.30, -10.16,  99.90,  -0.76,
10/07 19Z,   0.90,  -8.04,  -7.82,  99.90,  -0.68,
10/07 20Z,   0.90,  -5.67,  -5.24,  99.90,  -0.47,
10/07 21Z,   0.90,  -3.68,  -3.05,  99.90,  -0.27,
10/07 22Z,   0.90,  -2.45,  -1.85,  99.90,  -0.30,
10/07 23Z,   0.90,  -2.08,  -1.67,  99.90,  -0.49,  (max)
10/08 00Z,   0.80,  -2.60,  -2.41,  99.90,  -0.61,
10/08 01Z,   0.80,  -3.99,  -3.63,  99.90,  -0.44,
10/08 02Z,   0.80,  -5.97,  -5.52,  99.90,  -0.35,
10/08 03Z,   0.80,  -8.02,  -7.64,  99.90,  -0.42,
10/08 04Z,   0.80,  -9.52,  -9.07,  99.90,  -0.35,
10/08 05Z,   0.80, -10.12,  -9.56,  99.90,  -0.24,  (min)
10/08 06Z,   0.80,  -9.72,  -8.94,  99.90,  -0.02,
10/08 07Z,   0.80,  -8.46,  -7.71,  99.90,  -0.05,
10/08 08Z,   0.80,  -6.74,  -6.11,  99.90,  -0.17,
10/08 09Z,   0.80,  -5.11,  -4.43,  99.90,  -0.12,
10/08 10Z,   0.80,  -4.08,  -3.30,  99.90,  -0.02,
10/08 11Z,   0.80,  -3.91,  -3.18,  99.90,  -0.07,  (max)
10/08 12Z,   0.90,  -4.63,  -4.05,  99.90,  -0.32,
10/08 13Z,   0.90,  -6.17,  -5.53,  99.90,  -0.26,
10/08 14Z,   0.90,  -8.23,  -7.59,  99.90,  -0.26,
10/08 15Z,   0.90, -10.28,  -9.73,  99.90,  -0.35,
10/08 16Z,   0.90, -11.67, -11.28,  99.90,  -0.51,
10/08 17Z,   0.90, -11.96, -11.72,  99.90,  -0.66,  (min)
10/08 18Z,   0.90, -11.09, -10.82,  99.90,  -0.63,
10/08 19Z,   0.90,  -9.28,  -9.03,  99.90,  -0.65,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/08 20Z,   0.90,  -6.94,  99.90,  -6.66,  -0.63,
10/08 21Z,   0.90,  -4.62,  99.90,  -4.32,  -0.60,
10/08 22Z,   0.90,  -2.88,  99.90,  -2.56,  -0.58,
10/08 23Z,   0.90,  -2.04,  99.90,  -1.69,  -0.55,  (max)
10/09 00Z,   0.90,  -2.18,  99.90,  -1.81,  -0.53,
10/09 01Z,   0.90,  -3.29,  99.90,  -2.89,  -0.50,
10/09 02Z,   1.00,  -5.24,  99.90,  -4.72,  -0.48,
10/09 03Z,   1.00,  -7.63,  99.90,  -7.09,  -0.46,
10/09 04Z,   1.00,  -9.81,  99.90,  -9.25,  -0.43,
10/09 05Z,   1.00, -11.17,  99.90, -10.58,  -0.41,
10/09 06Z,   1.00, -11.39,  99.90, -10.77,  -0.38,  (min)
10/09 07Z,   1.00, -10.47,  99.90,  -9.83,  -0.36,
10/09 08Z,   1.10,  -8.70,  99.90,  -7.96,  -0.36,
10/09 09Z,   1.10,  -6.58,  99.90,  -5.83,  -0.36,
10/09 10Z,   1.10,  -4.72,  99.90,  -3.97,  -0.36,
10/09 11Z,   1.10,  -3.61,  99.90,  -2.86,  -0.36,
10/09 12Z,   1.10,  -3.44,  99.90,  -2.70,  -0.36,  (max)
10/09 13Z,   1.10,  -4.21,  99.90,  -3.47,  -0.36,
10/09 14Z,   1.20,  -5.79,  99.90,  -4.95,  -0.36,
10/09 15Z,   1.20,  -7.85,  99.90,  -7.01,  -0.36,
10/09 16Z,   1.20,  -9.78,  99.90,  -8.94,  -0.36,
10/09 17Z,   1.20, -10.95,  99.90, -10.11,  -0.36,  (min)
10/09 18Z,   1.30, -10.97,  99.90, -10.03,  -0.36,
10/09 19Z,   1.40,  -9.87,  99.90,  -8.83,  -0.36,
10/09 20Z,   1.40,  -7.93,  99.90,  -6.89,  -0.36,
10/09 21Z,   1.50,  -5.63,  99.90,  -4.49,  -0.36,
10/09 22Z,   1.50,  -3.57,  99.90,  -2.43,  -0.36,
10/09 23Z,   1.50,  -2.27,  99.90,  -1.13,  -0.36,
10/10 00Z,   1.50,  -2.00,  99.90,  -0.86,  -0.36,  (max)
10/10 01Z,   1.50,  -2.78,  99.90,  -1.64,  -0.36,
10/10 02Z,   1.50,  -4.50,  99.90,  -3.36,  -0.36,
10/10 03Z,   1.40,  -6.93,  99.90,  -5.88,  -0.36,
10/10 04Z,   1.40,  -9.53,  99.90,  -8.49,  -0.36,
10/10 05Z,   1.40, -11.60,  99.90, -10.56,  -0.36,
10/10 06Z,   1.40, -12.56,  99.90, -11.52,  -0.36,  (min)
10/10 07Z,   1.30, -12.21,  99.90, -11.27,  -0.36,
10/10 08Z,   1.30, -10.72,  99.90,  -9.78,  -0.36,
10/10 09Z,   1.30,  -8.49,  99.90,  -7.55,  -0.36,
10/10 10Z,   1.30,  -6.10,  99.90,  -5.16,  -0.36,
10/10 11Z,   1.30,  -4.18,  99.90,  -3.23,  -0.36,
10/10 12Z,   1.20,  -3.13,  99.90,  -2.29,  -0.36,
10/10 13Z,   1.20,  -3.07,  99.90,  -2.23,  -0.36,  (max)
10/10 14Z,   1.20,  -3.93,  99.90,  -3.09,  -0.36,
10/10 15Z,   1.20,  -5.53,  99.90,  -4.69,  -0.36,
10/10 16Z,   1.20,  -7.50,  99.90,  -6.65,  -0.36,
10/10 17Z,   1.20,  -9.19,  99.90,  -8.35,  -0.36,
10/10 18Z,   1.20, -10.03,  99.90,  -9.19,  -0.36,  (min)
10/10 19Z,   1.20,  -9.74,  99.90,  -8.90,  -0.36,
10/10 20Z,   1.20,  -8.44,  99.90,  -7.60,  -0.36,
10/10 21Z,   1.20,  -6.49,  99.90,  -5.65,  -0.36,
10/10 22Z,   1.20,  -4.41,  99.90,  -3.57,  -0.36,
10/10 23Z,   1.20,  -2.79,  99.90,  -1.94,  -0.36,
10/11 00Z,   1.20,  -2.09,  99.90,  -1.24,  -0.36,  (max)
10/11 01Z,   1.20,  -2.48,  99.90,  -1.64,  -0.36,
10/11 02Z,   1.20,  -3.89,  99.90,  -3.04,  -0.36,
10/11 03Z,   1.20,  -6.12,  99.90,  -5.28,  -0.36,
10/11 04Z,   1.20,  -8.83,  99.90,  -7.99,  -0.36,
10/11 05Z,   1.20, -11.39,  99.90, -10.55,  -0.36,
10/11 06Z,   1.20, -13.09,  99.90, -12.25,  -0.36,
10/11 07Z,   1.20, -13.46,  99.90, -12.62,  -0.36,  (min)
10/11 08Z,   1.20, -12.48,  99.90, -11.64,  -0.36,
10/11 09Z,   1.20, -10.45,  99.90,  -9.61,  -0.36,
10/11 10Z,   1.20,  -7.89,  99.90,  -7.05,  -0.36,
10/11 11Z,   1.20,  -5.41,  99.90,  -4.57,  -0.36,
10/11 12Z,   1.20,  -3.59,  99.90,  -2.75,  -0.36,
10/11 13Z,   1.20,  -2.73,  99.90,  -1.88,  -0.36,  (max)
10/11 14Z,   1.20,  -2.83,  99.90,  -1.99,  -0.36,
10/11 15Z,   1.20,  -3.78,  99.90,  -2.94,  -0.36,
10/11 16Z,   1.20,  -5.35,  99.90,  -4.51,  -0.36,
10/11 17Z,   1.10,  -7.12,  99.90,  -6.38,  -0.36,
10/11 18Z,   1.10,  -8.49,  99.90,  -7.75,  -0.36,
10/11 19Z,   1.10,  -8.96,  99.90,  -8.22,  -0.36,  (min)
10/11 20Z,   1.10,  -8.40,  99.90,  -7.66,  -0.36,
10/11 21Z,   1.10,  -7.03,  99.90,  -6.29,  -0.36,
10/11 22Z,   1.10,  -5.23,  99.90,  -4.49,  -0.36,
10/11 23Z,   1.10,  -3.53,  99.90,  -2.79,  -0.36,
10/12 00Z,   1.10,  -2.47,  99.90,  -1.72,  -0.36,
10/12 01Z,   1.10,  -2.41,  99.90,  -1.67,  -0.36,  (max)
10/12 02Z,   1.10,  -3.43,  99.90,  -2.69,  -0.36,
10/12 03Z,   1.20,  -5.35,  99.90,  -4.51,  -0.36,
10/12 04Z,   1.20,  -7.91,  99.90,  -7.07,  -0.36,
10/12 05Z,   1.20, -10.66,  99.90,  -9.81,  -0.36,
10/12 06Z,   1.20, -12.92,  99.90, -12.08,  -0.36,
10/12 07Z,   1.20, -14.06,  99.90, -13.22,  -0.36,  (min)
10/12 08Z,   1.20, -13.76,  99.90, -12.92,  -0.36,
10/12 09Z,   1.20, -12.19,  99.90, -11.35,  -0.36,
10/12 10Z,   1.20,  -9.77,  99.90,  -8.92,  -0.36,
10/12 11Z,   1.20,  -7.06,  99.90,  -6.21,  -0.36,
10/12 12Z,   1.20,  -4.66,  99.90,  -3.82,  -0.36,