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 : 10/08/2026 18:24:18 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 00Z,   0.80,  -1.20,  -0.91,  99.90,  -0.51,
10/07 01Z,   0.80,  -2.70,  -2.32,  99.90,  -0.42,
10/07 02Z,   0.80,  -4.41,  -4.05,  99.90,  -0.44,
10/07 03Z,   0.80,  -5.82,  -5.51,  99.90,  -0.49,
10/07 04Z,   0.80,  -6.56,  -6.17,  99.90,  -0.41,  (min)
10/07 05Z,   0.80,  -6.52,  -5.93,  99.90,  -0.21,
10/07 06Z,   0.80,  -5.73,  -5.05,  99.90,  -0.12,
10/07 07Z,   0.80,  -4.46,  -3.85,  99.90,  -0.19,
10/07 08Z,   0.80,  -3.19,  -2.56,  99.90,  -0.17,
10/07 09Z,   0.80,  -2.40,  -1.65,  99.90,  -0.05,
10/07 10Z,   0.80,  -2.36,  -1.63,  99.90,  -0.07,  (max)
10/07 11Z,   0.80,  -3.13,  -2.43,  99.90,  -0.10,
10/07 12Z,   0.90,  -4.63,  -3.91,  99.90,  -0.18,
10/07 13Z,   0.90,  -6.65,  -5.99,  99.90,  -0.24,
10/07 14Z,   0.90,  -8.69,  -8.15,  99.90,  -0.36,
10/07 15Z,   0.90, -10.14,  -9.83,  99.90,  -0.59,
10/07 16Z,   0.90, -10.56, -10.43,  99.90,  -0.77,  (min)
10/07 17Z,   0.90,  -9.87,  -9.76,  99.90,  -0.79,
10/07 18Z,   0.90,  -8.22,  -8.08,  99.90,  -0.76,
10/07 19Z,   0.90,  -5.96,  -5.74,  99.90,  -0.68,
10/07 20Z,   0.90,  -3.59,  -3.16,  99.90,  -0.47,
10/07 21Z,   0.90,  -1.60,  -0.97,  99.90,  -0.27,
10/07 22Z,   0.90,  -0.37,   0.23,  99.90,  -0.30,
10/07 23Z,   0.90,   0.00,   0.41,  99.90,  -0.49,  (max)
10/08 00Z,   0.80,  -0.52,  -0.33,  99.90,  -0.61,
10/08 01Z,   0.80,  -1.91,  -1.55,  99.90,  -0.44,
10/08 02Z,   0.80,  -3.89,  -3.44,  99.90,  -0.35,
10/08 03Z,   0.80,  -5.94,  -5.56,  99.90,  -0.42,
10/08 04Z,   0.80,  -7.44,  -6.99,  99.90,  -0.35,
10/08 05Z,   0.80,  -8.04,  -7.48,  99.90,  -0.24,  (min)
10/08 06Z,   0.80,  -7.64,  -6.86,  99.90,  -0.02,
10/08 07Z,   0.80,  -6.38,  -5.63,  99.90,  -0.05,
10/08 08Z,   0.80,  -4.66,  -4.03,  99.90,  -0.17,
10/08 09Z,   0.80,  -3.03,  -2.35,  99.90,  -0.12,
10/08 10Z,   0.80,  -2.00,  -1.22,  99.90,  -0.02,
10/08 11Z,   0.80,  -1.83,  -1.10,  99.90,  -0.07,  (max)
10/08 12Z,   0.90,  -2.55,  -1.97,  99.90,  -0.32,
10/08 13Z,   0.90,  -4.09,  -3.45,  99.90,  -0.26,
10/08 14Z,   0.90,  -6.15,  -5.51,  99.90,  -0.26,
10/08 15Z,   0.90,  -8.20,  -7.65,  99.90,  -0.35,
10/08 16Z,   0.90,  -9.59,  -9.20,  99.90,  -0.51,
10/08 17Z,   0.90,  -9.88,  -9.64,  99.90,  -0.66,  (min)
10/08 18Z,   0.90,  -9.01,  -8.74,  99.90,  -0.63,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/08 19Z,   0.90,  -7.20,  99.90,  -6.91,  -0.61,
10/08 20Z,   0.90,  -4.86,  99.90,  -4.54,  -0.58,
10/08 21Z,   0.90,  -2.54,  99.90,  -2.20,  -0.56,
10/08 22Z,   0.90,  -0.80,  99.90,  -0.44,  -0.54,
10/08 23Z,   0.90,   0.04,  99.90,   0.43,  -0.52,  (max)
10/09 00Z,   0.90,  -0.10,  99.90,   0.31,  -0.49,
10/09 01Z,   0.90,  -1.21,  99.90,  -0.78,  -0.47,
10/09 02Z,   1.00,  -3.16,  99.90,  -2.60,  -0.45,
10/09 03Z,   1.00,  -5.55,  99.90,  -4.97,  -0.42,
10/09 04Z,   1.00,  -7.73,  99.90,  -7.14,  -0.40,
10/09 05Z,   1.00,  -9.09,  99.90,  -8.47,  -0.38,
10/09 06Z,   1.00,  -9.31,  99.90,  -8.66,  -0.36,  (min)
10/09 07Z,   1.00,  -8.39,  99.90,  -7.75,  -0.36,
10/09 08Z,   1.10,  -6.62,  99.90,  -5.88,  -0.36,
10/09 09Z,   1.10,  -4.50,  99.90,  -3.75,  -0.36,
10/09 10Z,   1.10,  -2.64,  99.90,  -1.89,  -0.36,
10/09 11Z,   1.10,  -1.53,  99.90,  -0.78,  -0.36,
10/09 12Z,   1.10,  -1.36,  99.90,  -0.61,  -0.36,  (max)
10/09 13Z,   1.10,  -2.13,  99.90,  -1.38,  -0.36,
10/09 14Z,   1.20,  -3.71,  99.90,  -2.86,  -0.36,
10/09 15Z,   1.20,  -5.77,  99.90,  -4.92,  -0.36,
10/09 16Z,   1.20,  -7.70,  99.90,  -6.86,  -0.36,
10/09 17Z,   1.20,  -8.87,  99.90,  -8.02,  -0.36,  (min)
10/09 18Z,   1.30,  -8.89,  99.90,  -7.95,  -0.36,
10/09 19Z,   1.40,  -7.79,  99.90,  -6.75,  -0.36,
10/09 20Z,   1.40,  -5.85,  99.90,  -4.81,  -0.36,
10/09 21Z,   1.50,  -3.55,  99.90,  -2.41,  -0.36,
10/09 22Z,   1.50,  -1.49,  99.90,  -0.34,  -0.36,
10/09 23Z,   1.50,  -0.19,  99.90,   0.95,  -0.36,
10/10 00Z,   1.50,   0.08,  99.90,   1.22,  -0.36,  (max)
10/10 01Z,   1.50,  -0.70,  99.90,   0.44,  -0.36,
10/10 02Z,   1.50,  -2.42,  99.90,  -1.28,  -0.36,
10/10 03Z,   1.40,  -4.85,  99.90,  -3.80,  -0.36,
10/10 04Z,   1.40,  -7.45,  99.90,  -6.41,  -0.36,
10/10 05Z,   1.40,  -9.52,  99.90,  -8.48,  -0.36,
10/10 06Z,   1.40, -10.48,  99.90,  -9.43,  -0.36,  (min)
10/10 07Z,   1.30, -10.13,  99.90,  -9.19,  -0.36,
10/10 08Z,   1.30,  -8.64,  99.90,  -7.70,  -0.36,
10/10 09Z,   1.30,  -6.41,  99.90,  -5.46,  -0.36,
10/10 10Z,   1.30,  -4.02,  99.90,  -3.07,  -0.36,
10/10 11Z,   1.30,  -2.10,  99.90,  -1.15,  -0.36,
10/10 12Z,   1.20,  -1.05,  99.90,  -0.21,  -0.36,
10/10 13Z,   1.20,  -0.99,  99.90,  -0.15,  -0.36,  (max)
10/10 14Z,   1.20,  -1.85,  99.90,  -1.01,  -0.36,
10/10 15Z,   1.20,  -3.45,  99.90,  -2.61,  -0.36,
10/10 16Z,   1.20,  -5.42,  99.90,  -4.57,  -0.36,
10/10 17Z,   1.20,  -7.11,  99.90,  -6.27,  -0.36,
10/10 18Z,   1.20,  -7.95,  99.90,  -7.10,  -0.36,  (min)
10/10 19Z,   1.20,  -7.66,  99.90,  -6.82,  -0.36,
10/10 20Z,   1.20,  -6.36,  99.90,  -5.52,  -0.36,
10/10 21Z,   1.20,  -4.41,  99.90,  -3.57,  -0.36,
10/10 22Z,   1.20,  -2.33,  99.90,  -1.49,  -0.36,
10/10 23Z,   1.20,  -0.71,  99.90,   0.14,  -0.36,
10/11 00Z,   1.20,  -0.01,  99.90,   0.84,  -0.36,  (max)
10/11 01Z,   1.20,  -0.40,  99.90,   0.45,  -0.36,
10/11 02Z,   1.20,  -1.81,  99.90,  -0.96,  -0.36,
10/11 03Z,   1.20,  -4.04,  99.90,  -3.20,  -0.36,
10/11 04Z,   1.20,  -6.75,  99.90,  -5.90,  -0.36,
10/11 05Z,   1.20,  -9.31,  99.90,  -8.47,  -0.36,
10/11 06Z,   1.20, -11.01,  99.90, -10.16,  -0.36,
10/11 07Z,   1.20, -11.38,  99.90, -10.54,  -0.36,  (min)
10/11 08Z,   1.20, -10.40,  99.90,  -9.56,  -0.36,
10/11 09Z,   1.20,  -8.37,  99.90,  -7.53,  -0.36,
10/11 10Z,   1.20,  -5.81,  99.90,  -4.97,  -0.36,
10/11 11Z,   1.20,  -3.33,  99.90,  -2.49,  -0.36,
10/11 12Z,   1.20,  -1.51,  99.90,  -0.67,  -0.36,
10/11 13Z,   1.20,  -0.65,  99.90,   0.20,  -0.36,  (max)
10/11 14Z,   1.20,  -0.75,  99.90,   0.09,  -0.36,
10/11 15Z,   1.20,  -1.70,  99.90,  -0.86,  -0.36,
10/11 16Z,   1.20,  -3.27,  99.90,  -2.43,  -0.36,
10/11 17Z,   1.10,  -5.04,  99.90,  -4.30,  -0.36,
10/11 18Z,   1.10,  -6.41,  99.90,  -5.66,  -0.36,
10/11 19Z,   1.10,  -6.88,  99.90,  -6.14,  -0.36,  (min)
10/11 20Z,   1.10,  -6.32,  99.90,  -5.58,  -0.36,
10/11 21Z,   1.10,  -4.95,  99.90,  -4.20,  -0.36,
10/11 22Z,   1.10,  -3.15,  99.90,  -2.41,  -0.36,
10/11 23Z,   1.10,  -1.45,  99.90,  -0.70,  -0.36,
10/12 00Z,   1.10,  -0.39,  99.90,   0.36,  -0.36,
10/12 01Z,   1.10,  -0.33,  99.90,   0.41,  -0.36,  (max)
10/12 02Z,   1.10,  -1.35,  99.90,  -0.61,  -0.36,
10/12 03Z,   1.20,  -3.27,  99.90,  -2.43,  -0.36,
10/12 04Z,   1.20,  -5.83,  99.90,  -4.99,  -0.36,
10/12 05Z,   1.20,  -8.58,  99.90,  -7.73,  -0.36,
10/12 06Z,   1.20, -10.84,  99.90, -10.00,  -0.36,
10/12 07Z,   1.20, -11.98,  99.90, -11.13,  -0.36,  (min)
10/12 08Z,   1.20, -11.68,  99.90, -10.84,  -0.36,
10/12 09Z,   1.20, -10.11,  99.90,  -9.26,  -0.36,
10/12 10Z,   1.20,  -7.69,  99.90,  -6.84,  -0.36,
10/12 11Z,   1.20,  -4.98,  99.90,  -4.13,  -0.36,
10/12 12Z,   1.20,  -2.58,  99.90,  -1.74,  -0.36,