EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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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 : 07/18/2026 05:21:11 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 12Z,   0.60,   3.59,   4.36,  99.90,   0.17,
07/16 13Z,   0.60,   4.05,   4.98,  99.90,   0.33,  (max)
07/16 14Z,   0.60,   3.48,   4.52,  99.90,   0.44,
07/16 15Z,   0.60,   1.86,   3.01,  99.90,   0.55,
07/16 16Z,   0.60,  -0.64,   0.48,  99.90,   0.52,
07/16 17Z,   0.60,  -3.65,  -2.74,  99.90,   0.31,
07/16 18Z,   0.70,  -6.61,  -5.94,  99.90,  -0.03,
07/16 19Z,   0.70,  -8.76,  -8.08,  99.90,  -0.02,
07/16 20Z,   0.70,  -9.45,  -9.00,  99.90,  -0.25,  (min)
07/16 21Z,   0.70,  -8.50,  -7.91,  99.90,  -0.11,
07/16 22Z,   0.70,  -6.20,  -5.69,  99.90,  -0.19,
07/16 23Z,   0.70,  -3.12,  -2.61,  99.90,  -0.19,
07/17 00Z,   0.80,   0.11,   0.58,  99.90,  -0.33,
07/17 01Z,   0.80,   2.90,   3.32,  99.90,  -0.38,
07/17 02Z,   0.80,   4.79,   5.04,  99.90,  -0.55,
07/17 03Z,   0.80,   5.61,   5.83,  99.90,  -0.58,  (max)
07/17 04Z,   0.80,   5.42,   5.49,  99.90,  -0.73,
07/17 05Z,   0.80,   4.34,   4.54,  99.90,  -0.60,
07/17 06Z,   0.70,   2.63,   3.06,  99.90,  -0.27,
07/17 07Z,   0.70,   0.76,   1.19,  99.90,  -0.27,
07/17 08Z,   0.70,  -0.62,  -0.29,  99.90,  -0.37,
07/17 09Z,   0.70,  -1.11,  -0.73,  99.90,  -0.32,  (min)
07/17 10Z,   0.70,  -0.67,  -0.22,  99.90,  -0.25,
07/17 11Z,   0.70,   0.44,   0.93,  99.90,  -0.21,
07/17 12Z,   0.60,   1.82,   2.30,  99.90,  -0.12,
07/17 13Z,   0.60,   2.98,   3.61,  99.90,   0.03,
07/17 14Z,   0.60,   3.43,   4.26,  99.90,   0.23,  (max)
07/17 15Z,   0.60,   2.89,   3.80,  99.90,   0.31,
07/17 16Z,   0.60,   1.36,   2.32,  99.90,   0.36,
07/17 17Z,   0.60,  -0.95,   0.03,  99.90,   0.38,
07/17 18Z,   0.60,  -3.67,  -2.88,  99.90,   0.19,
07/17 19Z,   0.60,  -6.24,  -5.63,  99.90,   0.01,
07/17 20Z,   0.60,  -7.93,  -7.42,  99.90,  -0.09,
07/17 21Z,   0.60,  -8.19,  -7.72,  99.90,  -0.13,  (min)
07/17 22Z,   0.60,  -6.96,  -6.38,  99.90,  -0.02,
07/17 23Z,   0.60,  -4.59,  -4.04,  99.90,  -0.05,
07/18 00Z,   0.80,  -1.62,  -1.01,  99.90,  -0.19,
07/18 01Z,   0.80,   1.36,   2.03,  99.90,  -0.13,
07/18 02Z,   0.80,   3.78,   4.32,  99.90,  -0.26,
07/18 03Z,   0.80,   5.24,   5.63,  99.90,  -0.41,
07/18 04Z,   0.80,   5.62,   5.94,  99.90,  -0.48,  (max)
07/18 05Z,   0.80,   5.00,   5.19,  99.90,  -0.61,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 06Z,   0.80,   3.55,  99.90,   3.78,  -0.57,
07/18 07Z,   0.80,   1.58,  99.90,   1.85,  -0.53,
07/18 08Z,   0.70,  -0.37,  99.90,  -0.17,  -0.50,
07/18 09Z,   0.70,  -1.71,  99.90,  -1.46,  -0.46,
07/18 10Z,   0.70,  -2.08,  99.90,  -1.80,  -0.42,  (min)
07/18 11Z,   0.70,  -1.54,  99.90,  -1.22,  -0.38,
07/18 12Z,   0.70,  -0.37,  99.90,  -0.01,  -0.34,
07/18 13Z,   0.70,   1.04,  99.90,   1.44,  -0.30,
07/18 14Z,   0.70,   2.21,  99.90,   2.64,  -0.26,
07/18 15Z,   0.70,   2.69,  99.90,   3.16,  -0.23,  (max)
07/18 16Z,   0.60,   2.24,  99.90,   2.65,  -0.19,
07/18 17Z,   0.60,   0.91,  99.90,   1.36,  -0.15,
07/18 18Z,   0.60,  -1.08,  99.90,  -0.63,  -0.15,
07/18 19Z,   0.60,  -3.37,  99.90,  -2.92,  -0.15,
07/18 20Z,   0.60,  -5.43,  99.90,  -4.97,  -0.15,
07/18 21Z,   0.60,  -6.60,  99.90,  -6.15,  -0.15,  (min)
07/18 22Z,   0.60,  -6.48,  99.90,  -6.03,  -0.15,
07/18 23Z,   0.60,  -5.09,  99.90,  -4.63,  -0.15,
07/19 00Z,   0.60,  -2.79,  99.90,  -2.34,  -0.15,
07/19 01Z,   0.60,  -0.09,  99.90,   0.36,  -0.15,
07/19 02Z,   0.60,   2.50,  99.90,   2.95,  -0.15,
07/19 03Z,   0.60,   4.45,  99.90,   4.90,  -0.15,
07/19 04Z,   0.60,   5.42,  99.90,   5.88,  -0.15,
07/19 05Z,   0.70,   5.34,  99.90,   5.89,  -0.15,  (max)
07/19 06Z,   0.70,   4.32,  99.90,   4.87,  -0.15,
07/19 07Z,   0.70,   2.56,  99.90,   3.11,  -0.15,
07/19 08Z,   0.70,   0.42,  99.90,   0.97,  -0.15,
07/19 09Z,   0.70,  -1.54,  99.90,  -0.99,  -0.15,
07/19 10Z,   0.70,  -2.78,  99.90,  -2.23,  -0.15,
07/19 11Z,   0.60,  -3.04,  99.90,  -2.59,  -0.15,  (min)
07/19 12Z,   0.60,  -2.42,  99.90,  -1.97,  -0.15,
07/19 13Z,   0.60,  -1.22,  99.90,  -0.77,  -0.15,
07/19 14Z,   0.60,   0.20,  99.90,   0.65,  -0.15,
07/19 15Z,   0.60,   1.39,  99.90,   1.84,  -0.15,
07/19 16Z,   0.60,   1.94,  99.90,   2.39,  -0.15,  (max)
07/19 17Z,   0.60,   1.66,  99.90,   2.11,  -0.15,
07/19 18Z,   0.60,   0.64,  99.90,   1.09,  -0.15,
07/19 19Z,   0.60,  -0.91,  99.90,  -0.46,  -0.15,
07/19 20Z,   0.60,  -2.67,  99.90,  -2.22,  -0.15,
07/19 21Z,   0.60,  -4.17,  99.90,  -3.72,  -0.15,
07/19 22Z,   0.60,  -4.88,  99.90,  -4.43,  -0.15,  (min)
07/19 23Z,   0.60,  -4.49,  99.90,  -4.03,  -0.15,
07/20 00Z,   0.60,  -3.09,  99.90,  -2.64,  -0.15,
07/20 01Z,   0.60,  -1.04,  99.90,  -0.59,  -0.15,
07/20 02Z,   0.60,   1.26,  99.90,   1.71,  -0.15,
07/20 03Z,   0.60,   3.36,  99.90,   3.81,  -0.15,
07/20 04Z,   0.60,   4.79,  99.90,   5.24,  -0.15,
07/20 05Z,   0.60,   5.27,  99.90,   5.72,  -0.15,  (max)
07/20 06Z,   0.60,   4.76,  99.90,   5.21,  -0.15,
07/20 07Z,   0.60,   3.40,  99.90,   3.86,  -0.15,
07/20 08Z,   0.60,   1.43,  99.90,   1.89,  -0.15,
07/20 09Z,   0.70,  -0.77,  99.90,  -0.22,  -0.15,
07/20 10Z,   0.70,  -2.67,  99.90,  -2.12,  -0.15,
07/20 11Z,   0.70,  -3.78,  99.90,  -3.23,  -0.15,
07/20 12Z,   0.70,  -3.94,  99.90,  -3.38,  -0.15,  (min)
07/20 13Z,   0.70,  -3.27,  99.90,  -2.72,  -0.15,
07/20 14Z,   0.70,  -2.04,  99.90,  -1.49,  -0.15,
07/20 15Z,   0.70,  -0.60,  99.90,  -0.05,  -0.15,
07/20 16Z,   0.70,   0.65,  99.90,   1.20,  -0.15,
07/20 17Z,   0.70,   1.32,  99.90,   1.87,  -0.15,  (max)
07/20 18Z,   0.70,   1.30,  99.90,   1.85,  -0.15,
07/20 19Z,   0.70,   0.68,  99.90,   1.23,  -0.15,
07/20 20Z,   0.70,  -0.37,  99.90,   0.18,  -0.15,
07/20 21Z,   0.70,  -1.59,  99.90,  -1.04,  -0.15,
07/20 22Z,   0.70,  -2.59,  99.90,  -2.04,  -0.15,
07/20 23Z,   0.70,  -2.95,  99.90,  -2.40,  -0.15,  (min)
07/21 00Z,   0.70,  -2.46,  99.90,  -1.91,  -0.15,
07/21 01Z,   0.70,  -1.25,  99.90,  -0.70,  -0.15,
07/21 02Z,   0.70,   0.42,  99.90,   0.97,  -0.15,
07/21 03Z,   0.70,   2.24,  99.90,   2.79,  -0.15,
07/21 04Z,   0.70,   3.82,  99.90,   4.37,  -0.15,
07/21 05Z,   0.70,   4.75,  99.90,   5.30,  -0.15,
07/21 06Z,   0.70,   4.79,  99.90,   5.34,  -0.15,  (max)
07/21 07Z,   0.70,   3.94,  99.90,   4.49,  -0.15,
07/21 08Z,   0.70,   2.37,  99.90,   2.92,  -0.15,
07/21 09Z,   0.70,   0.30,  99.90,   0.85,  -0.15,
07/21 10Z,   0.70,  -1.89,  99.90,  -1.33,  -0.15,
07/21 11Z,   0.70,  -3.68,  99.90,  -3.12,  -0.15,
07/21 12Z,   0.70,  -4.66,  99.90,  -4.11,  -0.15,
07/21 13Z,   0.70,  -4.72,  99.90,  -4.17,  -0.15,  (min)
07/21 14Z,   0.70,  -4.01,  99.90,  -3.45,  -0.15,
07/21 15Z,   0.70,  -2.74,  99.90,  -2.19,  -0.15,
07/21 16Z,   0.70,  -1.24,  99.90,  -0.69,  -0.15,
07/21 17Z,   0.70,   0.11,  99.90,   0.66,  -0.15,
07/21 18Z,   0.70,   0.97,  99.90,   1.52,  -0.15,
07/21 19Z,   0.70,   1.26,  99.90,   1.81,  -0.15,  (max)
07/21 20Z,   0.70,   1.06,  99.90,   1.61,  -0.15,
07/21 21Z,   0.70,   0.50,  99.90,   1.05,  -0.15,
07/21 22Z,   0.70,  -0.25,  99.90,   0.30,  -0.15,
07/21 23Z,   0.70,  -0.89,  99.90,  -0.34,  -0.15,
07/22 00Z,   0.70,  -1.08,  99.90,  -0.53,  -0.15,