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 : 09/06/2026 15:23:41 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/05 00Z,   1.00,  -3.40,  -2.33,  99.90,   0.07,
09/05 01Z,   1.00,  -3.26,  -2.25,  99.90,   0.01,  (min)
09/05 02Z,   0.90,  -2.77,  -1.85,  99.90,   0.02,
09/05 03Z,   0.90,  -2.13,  -1.32,  99.90,  -0.09,
09/05 04Z,   1.00,  -1.52,  -0.83,  99.90,  -0.31,
09/05 05Z,   0.90,  -1.16,  -0.52,  99.90,  -0.26,  (max)
09/05 06Z,   1.00,  -1.29,  -0.78,  99.90,  -0.49,
09/05 07Z,   1.00,  -2.13,  -1.70,  99.90,  -0.57,
09/05 08Z,   1.00,  -3.67,  -3.26,  99.90,  -0.59,
09/05 09Z,   0.90,  -5.72,  -5.38,  99.90,  -0.56,
09/05 10Z,   0.90,  -7.98,  -7.67,  99.90,  -0.59,
09/05 11Z,   0.90, -10.09,  -9.77,  99.90,  -0.58,
09/05 12Z,   0.80, -11.58, -11.10,  99.90,  -0.32,
09/05 13Z,   0.80, -12.04, -11.46,  99.90,  -0.22,  (min)
09/05 14Z,   0.80, -11.39, -10.77,  99.90,  -0.18,
09/05 15Z,   0.80,  -9.88,  -9.39,  99.90,  -0.31,
09/05 16Z,   0.80,  -7.91,  -7.36,  99.90,  -0.25,
09/05 17Z,   0.70,  -5.82,  -5.11,  99.90,   0.01,
09/05 18Z,   0.60,  -3.96,  -3.07,  99.90,   0.29,
09/05 19Z,   0.60,  -2.59,  -1.60,  99.90,   0.39,
09/05 20Z,   0.60,  -1.79,  -0.76,  99.90,   0.43,
09/05 21Z,   0.60,  -1.46,  -0.41,  99.90,   0.45,  (max)
09/05 22Z,   0.60,  -1.52,  -0.53,  99.90,   0.39,
09/05 23Z,   0.60,  -1.90,  -0.96,  99.90,   0.34,
09/06 00Z,   0.70,  -2.48,  -1.50,  99.90,   0.28,
09/06 01Z,   0.70,  -2.96,  -2.01,  99.90,   0.25,
09/06 02Z,   0.70,  -3.15,  -2.30,  99.90,   0.15,  (min)
09/06 03Z,   0.80,  -2.99,  -2.17,  99.90,   0.02,
09/06 04Z,   0.80,  -2.59,  -1.83,  99.90,  -0.04,
09/06 05Z,   0.80,  -2.06,  -1.41,  99.90,  -0.15,
09/06 06Z,   0.90,  -1.63,  -1.12,  99.90,  -0.39,  (max)
09/06 07Z,   0.90,  -1.62,  -1.18,  99.90,  -0.46,
09/06 08Z,   0.90,  -2.27,  -1.84,  99.90,  -0.47,
09/06 09Z,   0.90,  -3.61,  -3.19,  99.90,  -0.48,
09/06 10Z,   0.90,  -5.51,  -5.05,  99.90,  -0.44,
09/06 11Z,   0.90,  -7.72,  -7.29,  99.90,  -0.47,
09/06 12Z,   0.90,  -9.89,  -9.49,  99.90,  -0.50,
09/06 13Z,   0.90, -11.53, -11.09,  99.90,  -0.46,
09/06 14Z,   0.90, -12.18, -11.69,  99.90,  -0.41,  (min)
09/06 15Z,   0.90, -11.73, -11.17,  99.90,  -0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/06 16Z,   0.90, -10.35,  99.90,  -9.78,  -0.33,
09/06 17Z,   0.90,  -8.38,  99.90,  -7.79,  -0.31,
09/06 18Z,   0.90,  -6.17,  99.90,  -5.57,  -0.30,
09/06 19Z,   0.90,  -4.10,  99.90,  -3.48,  -0.28,
09/06 20Z,   0.90,  -2.48,  99.90,  -1.85,  -0.27,
09/06 21Z,   0.90,  -1.44,  99.90,  -0.79,  -0.25,
09/06 22Z,   0.90,  -0.94,  99.90,  -0.27,  -0.24,
09/06 23Z,   0.90,  -0.95,  99.90,  -0.27,  -0.22,  (max)
09/07 00Z,   0.90,  -1.46,  99.90,  -0.77,  -0.21,
09/07 01Z,   0.90,  -2.31,  99.90,  -1.60,  -0.19,
09/07 02Z,   0.90,  -3.13,  99.90,  -2.40,  -0.17,
09/07 03Z,   0.90,  -3.62,  99.90,  -2.88,  -0.16,  (min)
09/07 04Z,   1.00,  -3.67,  99.90,  -2.83,  -0.16,
09/07 05Z,   1.00,  -3.30,  99.90,  -2.46,  -0.16,
09/07 06Z,   1.00,  -2.64,  99.90,  -1.80,  -0.16,
09/07 07Z,   1.00,  -1.98,  99.90,  -1.13,  -0.16,
09/07 08Z,   1.00,  -1.69,  99.90,  -0.85,  -0.16,  (max)
09/07 09Z,   1.00,  -2.11,  99.90,  -1.27,  -0.16,
09/07 10Z,   1.00,  -3.27,  99.90,  -2.43,  -0.16,
09/07 11Z,   1.00,  -5.09,  99.90,  -4.25,  -0.16,
09/07 12Z,   0.90,  -7.35,  99.90,  -6.61,  -0.16,
09/07 13Z,   1.00,  -9.68,  99.90,  -8.84,  -0.16,
09/07 14Z,   1.00, -11.52,  99.90, -10.68,  -0.16,
09/07 15Z,   1.00, -12.36,  99.90, -11.52,  -0.16,  (min)
09/07 16Z,   1.00, -12.03,  99.90, -11.19,  -0.16,
09/07 17Z,   0.90, -10.66,  99.90,  -9.92,  -0.16,
09/07 18Z,   0.90,  -8.57,  99.90,  -7.83,  -0.16,
09/07 19Z,   0.90,  -6.15,  99.90,  -5.41,  -0.16,
09/07 20Z,   0.90,  -3.86,  99.90,  -3.12,  -0.16,
09/07 21Z,   0.90,  -2.07,  99.90,  -1.33,  -0.16,
09/07 22Z,   0.90,  -0.92,  99.90,  -0.18,  -0.16,
09/07 23Z,   0.90,  -0.44,  99.90,   0.30,  -0.16,  (max)
09/08 00Z,   0.90,  -0.64,  99.90,   0.10,  -0.16,
09/08 01Z,   0.90,  -1.48,  99.90,  -0.74,  -0.16,
09/08 02Z,   0.90,  -2.71,  99.90,  -1.97,  -0.16,
09/08 03Z,   0.90,  -3.87,  99.90,  -3.12,  -0.16,
09/08 04Z,   0.90,  -4.56,  99.90,  -3.82,  -0.16,
09/08 05Z,   0.90,  -4.62,  99.90,  -3.88,  -0.16,  (min)
09/08 06Z,   0.90,  -4.08,  99.90,  -3.34,  -0.16,
09/08 07Z,   0.90,  -3.12,  99.90,  -2.38,  -0.16,
09/08 08Z,   0.90,  -2.12,  99.90,  -1.37,  -0.16,
09/08 09Z,   0.90,  -1.56,  99.90,  -0.81,  -0.16,  (max)
09/08 10Z,   0.80,  -1.77,  99.90,  -1.13,  -0.16,
09/08 11Z,   0.80,  -2.85,  99.90,  -2.21,  -0.16,
09/08 12Z,   0.80,  -4.69,  99.90,  -4.04,  -0.16,
09/08 13Z,   0.80,  -7.08,  99.90,  -6.44,  -0.16,
09/08 14Z,   0.80,  -9.59,  99.90,  -8.94,  -0.16,
09/08 15Z,   0.80, -11.57,  99.90, -10.93,  -0.16,
09/08 16Z,   0.80, -12.48,  99.90, -11.84,  -0.16,  (min)
09/08 17Z,   0.80, -12.10,  99.90, -11.46,  -0.16,
09/08 18Z,   0.80, -10.59,  99.90,  -9.95,  -0.16,
09/08 19Z,   0.80,  -8.29,  99.90,  -7.65,  -0.16,
09/08 20Z,   0.80,  -5.66,  99.90,  -5.02,  -0.16,
09/08 21Z,   0.70,  -3.23,  99.90,  -2.69,  -0.16,
09/08 22Z,   0.70,  -1.40,  99.90,  -0.86,  -0.16,
09/08 23Z,   0.70,  -0.36,  99.90,   0.18,  -0.16,
09/09 00Z,   0.70,  -0.13,  99.90,   0.41,  -0.16,  (max)
09/09 01Z,   0.70,  -0.72,  99.90,  -0.18,  -0.16,
09/09 02Z,   0.70,  -2.03,  99.90,  -1.48,  -0.16,
09/09 03Z,   0.70,  -3.65,  99.90,  -3.11,  -0.16,
09/09 04Z,   0.70,  -5.05,  99.90,  -4.51,  -0.16,
09/09 05Z,   0.70,  -5.76,  99.90,  -5.22,  -0.16,  (min)
09/09 06Z,   0.70,  -5.64,  99.90,  -5.10,  -0.16,
09/09 07Z,   0.70,  -4.76,  99.90,  -4.22,  -0.16,
09/09 08Z,   0.70,  -3.41,  99.90,  -2.87,  -0.16,
09/09 09Z,   0.70,  -2.08,  99.90,  -1.54,  -0.16,
09/09 10Z,   0.70,  -1.31,  99.90,  -0.77,  -0.16,  (max)
09/09 11Z,   0.70,  -1.43,  99.90,  -0.89,  -0.16,
09/09 12Z,   0.70,  -2.51,  99.90,  -1.97,  -0.16,
09/09 13Z,   0.70,  -4.44,  99.90,  -3.90,  -0.16,
09/09 14Z,   0.70,  -6.97,  99.90,  -6.42,  -0.16,
09/09 15Z,   0.70,  -9.58,  99.90,  -9.03,  -0.16,
09/09 16Z,   0.70, -11.56,  99.90, -11.02,  -0.16,
09/09 17Z,   0.70, -12.35,  99.90, -11.81,  -0.16,  (min)
09/09 18Z,   0.70, -11.77,  99.90, -11.22,  -0.16,
09/09 19Z,   0.70, -10.00,  99.90,  -9.46,  -0.16,
09/09 20Z,   0.70,  -7.46,  99.90,  -6.92,  -0.16,
09/09 21Z,   0.70,  -4.69,  99.90,  -4.15,  -0.16,
09/09 22Z,   0.70,  -2.29,  99.90,  -1.75,  -0.16,
09/09 23Z,   0.70,  -0.65,  99.90,  -0.11,  -0.16,
09/10 00Z,   0.70,   0.06,  99.90,   0.60,  -0.16,  (max)
09/10 01Z,   0.70,  -0.17,  99.90,   0.37,  -0.16,
09/10 02Z,   0.70,  -1.29,  99.90,  -0.75,  -0.16,
09/10 03Z,   0.70,  -3.08,  99.90,  -2.54,  -0.16,
09/10 04Z,   0.70,  -5.03,  99.90,  -4.49,  -0.16,
09/10 05Z,   0.70,  -6.48,  99.90,  -5.94,  -0.16,
09/10 06Z,   0.70,  -7.02,  99.90,  -6.48,  -0.16,
09/10 07Z,  99.90,  -6.54,  99.90,  99.90,  -0.16,
09/10 08Z,  99.90,  -5.24,  99.90,  99.90,  -0.16,
09/10 09Z,  99.90,  -3.51,  99.90,  99.90,  -0.16,
09/10 10Z,  99.90,  -1.94,  99.90,  99.90,  -0.16,
09/10 11Z,  99.90,  -1.08,  99.90,  99.90,  -0.16,
09/10 12Z,  99.90,  -1.21,  99.90,  99.90,  -0.16,