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 : 07/17/2026 04:23:35 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 12Z,   0.50,  -0.25,   0.44,  99.90,   0.19,
07/15 13Z,   0.50,  -0.79,   0.02,  99.90,   0.31,  (max)
07/15 14Z,   0.50,  -2.43,  -1.51,  99.90,   0.42,
07/15 15Z,   0.50,  -4.97,  -4.01,  99.90,   0.46,
07/15 16Z,   0.50,  -8.11,  -7.32,  99.90,   0.29,
07/15 17Z,   0.50, -11.31, -10.73,  99.90,   0.08,
07/15 18Z,   0.60, -13.81, -13.35,  99.90,  -0.14,
07/15 19Z,   0.60, -14.90, -14.57,  99.90,  -0.27,  (min)
07/15 20Z,   0.60, -14.28, -13.85,  99.90,  -0.17,
07/15 21Z,   0.60, -12.18, -11.68,  99.90,  -0.10,
07/15 22Z,   0.60,  -9.14,  -8.66,  99.90,  -0.12,
07/15 23Z,   0.70,  -5.79,  -5.28,  99.90,  -0.19,
07/16 00Z,   0.70,  -2.76,  -2.37,  99.90,  -0.31,
07/16 01Z,   0.70,  -0.54,  -0.24,  99.90,  -0.40,
07/16 02Z,   0.80,   0.65,   0.99,  99.90,  -0.46,
07/16 03Z,   0.80,   0.85,   1.02,  99.90,  -0.63,  (max)
07/16 04Z,   0.80,   0.16,   0.29,  99.90,  -0.67,
07/16 05Z,   0.80,  -1.24,  -0.85,  99.90,  -0.41,
07/16 06Z,   0.70,  -2.93,  -2.39,  99.90,  -0.16,
07/16 07Z,   0.70,  -4.32,  -3.85,  99.90,  -0.23,
07/16 08Z,   0.70,  -4.91,  -4.39,  99.90,  -0.18,  (min)
07/16 09Z,   0.70,  -4.60,  -3.99,  99.90,  -0.09,
07/16 10Z,   0.70,  -3.59,  -2.99,  99.90,  -0.10,
07/16 11Z,   0.70,  -2.27,  -1.64,  99.90,  -0.07,
07/16 12Z,   0.60,  -1.13,  -0.36,  99.90,   0.17,
07/16 13Z,   0.60,  -0.67,   0.26,  99.90,   0.33,  (max)
07/16 14Z,   0.60,  -1.24,  -0.20,  99.90,   0.44,
07/16 15Z,   0.60,  -2.86,  -1.71,  99.90,   0.55,
07/16 16Z,   0.60,  -5.36,  -4.24,  99.90,   0.52,
07/16 17Z,   0.60,  -8.37,  -7.46,  99.90,   0.31,
07/16 18Z,   0.70, -11.33, -10.66,  99.90,  -0.03,
07/16 19Z,   0.70, -13.48, -12.80,  99.90,  -0.02,
07/16 20Z,   0.70, -14.17, -13.72,  99.90,  -0.25,  (min)
07/16 21Z,   0.70, -13.22, -12.63,  99.90,  -0.11,
07/16 22Z,   0.70, -10.92, -10.41,  99.90,  -0.19,
07/16 23Z,   0.70,  -7.84,  -7.33,  99.90,  -0.19,
07/17 00Z,   0.70,  -4.61,  -4.14,  99.90,  -0.23,
07/17 01Z,   0.70,  -1.82,  -1.40,  99.90,  -0.28,
07/17 02Z,   0.70,   0.07,   0.32,  99.90,  -0.45,
07/17 03Z,   0.70,   0.89,   1.11,  99.90,  -0.48,  (max)
07/17 04Z,   0.70,   0.70,   0.77,  99.90,  -0.63,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 05Z,   0.70,  -0.38,  99.90,  -0.27,  -0.59,
07/17 06Z,   0.80,  -2.09,  99.90,  -1.84,  -0.55,
07/17 07Z,   0.80,  -3.96,  99.90,  -3.67,  -0.51,
07/17 08Z,   0.80,  -5.34,  99.90,  -5.01,  -0.47,
07/17 09Z,   0.80,  -5.83,  99.90,  -5.46,  -0.43,  (min)
07/17 10Z,   0.80,  -5.39,  99.90,  -4.98,  -0.39,
07/17 11Z,   0.70,  -4.28,  99.90,  -3.93,  -0.35,
07/17 12Z,   0.70,  -2.90,  99.90,  -2.51,  -0.31,
07/17 13Z,   0.70,  -1.74,  99.90,  -1.31,  -0.27,
07/17 14Z,   0.70,  -1.29,  99.90,  -0.82,  -0.23,  (max)
07/17 15Z,   0.70,  -1.83,  99.90,  -1.32,  -0.19,
07/17 16Z,   0.70,  -3.36,  99.90,  -2.81,  -0.15,
07/17 17Z,   0.70,  -5.67,  99.90,  -5.12,  -0.15,
07/17 18Z,   0.70,  -8.39,  99.90,  -7.84,  -0.15,
07/17 19Z,   0.70, -10.96,  99.90, -10.41,  -0.15,
07/17 20Z,   0.70, -12.65,  99.90, -12.09,  -0.15,
07/17 21Z,   0.70, -12.91,  99.90, -12.36,  -0.15,  (min)
07/17 22Z,   0.70, -11.68,  99.90, -11.13,  -0.15,
07/17 23Z,   0.70,  -9.31,  99.90,  -8.76,  -0.15,
07/18 00Z,   0.70,  -6.34,  99.90,  -5.79,  -0.15,
07/18 01Z,   0.70,  -3.36,  99.90,  -2.81,  -0.15,
07/18 02Z,   0.70,  -0.94,  99.90,  -0.39,  -0.15,
07/18 03Z,   0.70,   0.52,  99.90,   1.07,  -0.15,
07/18 04Z,   0.70,   0.90,  99.90,   1.45,  -0.15,  (max)
07/18 05Z,   0.70,   0.28,  99.90,   0.83,  -0.15,
07/18 06Z,   0.70,  -1.17,  99.90,  -0.62,  -0.15,
07/18 07Z,   0.70,  -3.14,  99.90,  -2.59,  -0.15,
07/18 08Z,   0.70,  -5.09,  99.90,  -4.54,  -0.15,
07/18 09Z,   0.70,  -6.43,  99.90,  -5.87,  -0.15,
07/18 10Z,   0.70,  -6.80,  99.90,  -6.25,  -0.15,  (min)
07/18 11Z,   0.70,  -6.26,  99.90,  -5.71,  -0.15,
07/18 12Z,   0.70,  -5.09,  99.90,  -4.53,  -0.15,
07/18 13Z,   0.60,  -3.68,  99.90,  -3.23,  -0.15,
07/18 14Z,   0.60,  -2.51,  99.90,  -2.06,  -0.15,
07/18 15Z,   0.60,  -2.03,  99.90,  -1.58,  -0.15,  (max)
07/18 16Z,   0.60,  -2.48,  99.90,  -2.03,  -0.15,
07/18 17Z,   0.60,  -3.81,  99.90,  -3.36,  -0.15,
07/18 18Z,   0.60,  -5.80,  99.90,  -5.35,  -0.15,
07/18 19Z,   0.60,  -8.09,  99.90,  -7.64,  -0.15,
07/18 20Z,   0.60, -10.15,  99.90,  -9.69,  -0.15,
07/18 21Z,   0.60, -11.32,  99.90, -10.87,  -0.15,  (min)
07/18 22Z,   0.60, -11.20,  99.90, -10.75,  -0.15,
07/18 23Z,   0.60,  -9.81,  99.90,  -9.35,  -0.15,
07/19 00Z,   0.60,  -7.51,  99.90,  -7.06,  -0.15,
07/19 01Z,   0.60,  -4.81,  99.90,  -4.36,  -0.15,
07/19 02Z,   0.60,  -2.22,  99.90,  -1.77,  -0.15,
07/19 03Z,   0.60,  -0.27,  99.90,   0.18,  -0.15,
07/19 04Z,   0.60,   0.70,  99.90,   1.16,  -0.15,  (max)
07/19 05Z,   0.60,   0.62,  99.90,   1.07,  -0.15,
07/19 06Z,   0.60,  -0.40,  99.90,   0.05,  -0.15,
07/19 07Z,   0.60,  -2.16,  99.90,  -1.71,  -0.15,
07/19 08Z,   0.60,  -4.30,  99.90,  -3.85,  -0.15,
07/19 09Z,   0.60,  -6.26,  99.90,  -5.81,  -0.15,
07/19 10Z,   0.60,  -7.50,  99.90,  -7.05,  -0.15,
07/19 11Z,   0.60,  -7.76,  99.90,  -7.31,  -0.15,  (min)
07/19 12Z,   0.60,  -7.14,  99.90,  -6.69,  -0.15,
07/19 13Z,   0.60,  -5.94,  99.90,  -5.49,  -0.15,
07/19 14Z,   0.60,  -4.52,  99.90,  -4.07,  -0.15,
07/19 15Z,   0.60,  -3.33,  99.90,  -2.88,  -0.15,
07/19 16Z,   0.50,  -2.78,  99.90,  -2.43,  -0.15,  (max)
07/19 17Z,   0.50,  -3.06,  99.90,  -2.71,  -0.15,
07/19 18Z,   0.50,  -4.08,  99.90,  -3.73,  -0.15,
07/19 19Z,   0.50,  -5.63,  99.90,  -5.28,  -0.15,
07/19 20Z,   0.50,  -7.39,  99.90,  -7.04,  -0.15,
07/19 21Z,   0.50,  -8.89,  99.90,  -8.54,  -0.15,
07/19 22Z,   0.50,  -9.60,  99.90,  -9.24,  -0.15,  (min)
07/19 23Z,   0.50,  -9.21,  99.90,  -8.85,  -0.15,
07/20 00Z,   0.50,  -7.81,  99.90,  -7.46,  -0.15,
07/20 01Z,   0.50,  -5.76,  99.90,  -5.41,  -0.15,
07/20 02Z,   0.50,  -3.46,  99.90,  -3.11,  -0.15,
07/20 03Z,   0.50,  -1.36,  99.90,  -1.01,  -0.15,
07/20 04Z,   0.50,   0.07,  99.90,   0.42,  -0.15,
07/20 05Z,   0.60,   0.55,  99.90,   1.00,  -0.15,  (max)
07/20 06Z,   0.60,   0.04,  99.90,   0.49,  -0.15,
07/20 07Z,   0.60,  -1.32,  99.90,  -0.86,  -0.15,
07/20 08Z,   0.60,  -3.29,  99.90,  -2.83,  -0.15,
07/20 09Z,   0.60,  -5.49,  99.90,  -5.04,  -0.15,
07/20 10Z,   0.60,  -7.39,  99.90,  -6.94,  -0.15,
07/20 11Z,   0.60,  -8.50,  99.90,  -8.05,  -0.15,
07/20 12Z,   0.60,  -8.66,  99.90,  -8.20,  -0.15,  (min)
07/20 13Z,   0.60,  -7.99,  99.90,  -7.54,  -0.15,
07/20 14Z,   0.60,  -6.76,  99.90,  -6.31,  -0.15,
07/20 15Z,   0.60,  -5.32,  99.90,  -4.86,  -0.15,
07/20 16Z,   0.60,  -4.07,  99.90,  -3.62,  -0.15,
07/20 17Z,   0.60,  -3.40,  99.90,  -2.95,  -0.15,  (max)
07/20 18Z,   0.60,  -3.42,  99.90,  -2.97,  -0.15,
07/20 19Z,  99.90,  -4.04,  99.90,  99.90,  -0.15,
07/20 20Z,  99.90,  -5.09,  99.90,  99.90,  -0.15,
07/20 21Z,  99.90,  -6.31,  99.90,  99.90,  -0.15,
07/20 22Z,  99.90,  -7.31,  99.90,  99.90,  -0.15,
07/20 23Z,  99.90,  -7.67,  99.90,  99.90,  -0.15,
07/21 00Z,  99.90,  -7.18,  99.90,  99.90,  -0.15,