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 : 08/16/2026 12:22:52 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 12Z,   0.60,  -3.51,  -2.69,  99.90,   0.22,
08/14 13Z,   0.60,  -2.92,  -1.97,  99.90,   0.35,  (max)
08/14 14Z,   0.60,  -3.41,  -2.53,  99.90,   0.28,
08/14 15Z,   0.60,  -4.94,  -4.09,  99.90,   0.25,
08/14 16Z,   0.60,  -7.27,  -6.42,  99.90,   0.25,
08/14 17Z,   0.60, -10.03,  -9.33,  99.90,   0.10,
08/14 18Z,   0.70, -12.58, -12.01,  99.90,  -0.13,
08/14 19Z,   0.70, -14.18, -13.67,  99.90,  -0.19,
08/14 20Z,   0.70, -14.31, -13.90,  99.90,  -0.29,  (min)
08/14 21Z,   0.70, -12.98, -12.45,  99.90,  -0.17,
08/14 22Z,   0.70, -10.57, -10.03,  99.90,  -0.16,
08/14 23Z,   0.70,  -7.64,  -7.00,  99.90,  -0.06,
08/15 00Z,   0.80,  -4.82,  -4.15,  99.90,  -0.13,
08/15 01Z,   0.80,  -2.69,  -2.13,  99.90,  -0.24,
08/15 02Z,   0.80,  -1.61,  -1.18,  99.90,  -0.37,  (max)
08/15 03Z,   0.80,  -1.65,  -1.34,  99.90,  -0.49,
08/15 04Z,   0.80,  -2.69,  -2.37,  99.90,  -0.48,
08/15 05Z,   0.80,  -4.53,  -3.97,  99.90,  -0.24,
08/15 06Z,   0.80,  -6.76,  -6.21,  99.90,  -0.25,
08/15 07Z,   0.80,  -8.74,  -8.26,  99.90,  -0.32,
08/15 08Z,   0.80,  -9.86,  -9.40,  99.90,  -0.34,  (min)
08/15 09Z,   0.70,  -9.82,  -9.36,  99.90,  -0.24,
08/15 10Z,   0.70,  -8.77,  -8.26,  99.90,  -0.19,
08/15 11Z,   0.70,  -7.08,  -6.67,  99.90,  -0.29,
08/15 12Z,   0.60,  -5.25,  -4.86,  99.90,  -0.21,
08/15 13Z,   0.60,  -3.85,  -3.39,  99.90,  -0.14,
08/15 14Z,   0.60,  -3.32,  -2.77,  99.90,  -0.05,  (max)
08/15 15Z,   0.50,  -3.85,  -3.33,  99.90,   0.02,
08/15 16Z,   0.50,  -5.31,  -4.76,  99.90,   0.05,
08/15 17Z,   0.50,  -7.45,  -6.85,  99.90,   0.10,
08/15 18Z,   0.50,  -9.88,  -9.37,  99.90,   0.01,
08/15 19Z,   0.50, -11.96, -11.51,  99.90,  -0.05,
08/15 20Z,   0.50, -13.03, -12.68,  99.90,  -0.15,  (min)
08/15 21Z,   0.50, -12.73, -12.31,  99.90,  -0.08,
08/15 22Z,   0.50, -11.16, -10.70,  99.90,  -0.04,
08/15 23Z,   0.50,  -8.75,  -8.30,  99.90,  -0.05,
08/16 00Z,   0.60,  -6.06,  -5.48,  99.90,  -0.02,
08/16 01Z,   0.60,  -3.65,  -3.07,  99.90,  -0.02,
08/16 02Z,   0.60,  -2.06,  -1.54,  99.90,  -0.08,
08/16 03Z,   0.60,  -1.57,  -1.16,  99.90,  -0.19,  (max)
08/16 04Z,   0.60,  -2.17,  -1.89,  99.90,  -0.32,
08/16 05Z,   0.60,  -3.69,  -3.27,  99.90,  -0.18,
08/16 06Z,   0.60,  -5.86,  -5.32,  99.90,  -0.06,
08/16 07Z,   0.60,  -8.19,  -7.77,  99.90,  -0.18,
08/16 08Z,   0.60, -10.04,  -9.68,  99.90,  -0.24,
08/16 09Z,   0.60, -10.87, -10.57,  99.90,  -0.30,  (min)
08/16 10Z,   0.60, -10.53, -10.18,  99.90,  -0.25,
08/16 11Z,   0.60,  -9.24,  -8.91,  99.90,  -0.27,
08/16 12Z,   0.60,  -7.43,  -7.22,  99.90,  -0.39,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 13Z,   0.60,  -5.60,  99.90,  -5.36,  -0.36,
08/16 14Z,   0.60,  -4.26,  99.90,  -4.00,  -0.34,
08/16 15Z,   0.60,  -3.79,  99.90,  -3.51,  -0.32,  (max)
08/16 16Z,   0.60,  -4.28,  99.90,  -3.98,  -0.30,
08/16 17Z,   0.50,  -5.58,  99.90,  -5.36,  -0.28,
08/16 18Z,   0.50,  -7.40,  99.90,  -7.16,  -0.26,
08/16 19Z,   0.50,  -9.37,  99.90,  -9.11,  -0.24,
08/16 20Z,   0.50, -10.91,  99.90, -10.63,  -0.22,
08/16 21Z,   0.50, -11.48,  99.90, -11.17,  -0.19,  (min)
08/16 22Z,   0.50, -10.85,  99.90, -10.53,  -0.17,
08/16 23Z,   0.50,  -9.23,  99.90,  -8.88,  -0.15,
08/17 00Z,   0.50,  -7.03,  99.90,  -6.66,  -0.13,
08/17 01Z,   0.50,  -4.74,  99.90,  -4.37,  -0.13,
08/17 02Z,   0.50,  -2.87,  99.90,  -2.51,  -0.13,
08/17 03Z,   0.50,  -1.88,  99.90,  -1.51,  -0.13,  (max)
08/17 04Z,   0.50,  -1.96,  99.90,  -1.59,  -0.13,
08/17 05Z,   0.60,  -3.05,  99.90,  -2.58,  -0.13,
08/17 06Z,   0.60,  -4.92,  99.90,  -4.45,  -0.13,
08/17 07Z,   0.60,  -7.25,  99.90,  -6.78,  -0.13,
08/17 08Z,   0.60,  -9.52,  99.90,  -9.05,  -0.13,
08/17 09Z,   0.60, -11.11,  99.90, -10.65,  -0.13,
08/17 10Z,   0.60, -11.62,  99.90, -11.15,  -0.13,  (min)
08/17 11Z,   0.60, -11.00,  99.90, -10.53,  -0.13,
08/17 12Z,   0.60,  -9.57,  99.90,  -9.10,  -0.13,
08/17 13Z,   0.60,  -7.73,  99.90,  -7.26,  -0.13,
08/17 14Z,   0.60,  -5.94,  99.90,  -5.47,  -0.13,
08/17 15Z,   0.60,  -4.68,  99.90,  -4.21,  -0.13,
08/17 16Z,   0.60,  -4.23,  99.90,  -3.76,  -0.13,  (max)
08/17 17Z,   0.60,  -4.62,  99.90,  -4.15,  -0.13,
08/17 18Z,   0.60,  -5.64,  99.90,  -5.17,  -0.13,
08/17 19Z,   0.60,  -7.06,  99.90,  -6.59,  -0.13,
08/17 20Z,   0.60,  -8.52,  99.90,  -8.05,  -0.13,
08/17 21Z,   0.60,  -9.55,  99.90,  -9.08,  -0.13,
08/17 22Z,   0.60,  -9.72,  99.90,  -9.25,  -0.13,  (min)
08/17 23Z,   0.60,  -8.96,  99.90,  -8.49,  -0.13,
08/18 00Z,   0.60,  -7.48,  99.90,  -7.01,  -0.13,
08/18 01Z,   0.60,  -5.66,  99.90,  -5.19,  -0.13,
08/18 02Z,   0.60,  -3.89,  99.90,  -3.42,  -0.13,
08/18 03Z,   0.60,  -2.60,  99.90,  -2.13,  -0.13,
08/18 04Z,   0.60,  -2.17,  99.90,  -1.70,  -0.13,  (max)
08/18 05Z,   0.70,  -2.73,  99.90,  -2.16,  -0.13,
08/18 06Z,   0.70,  -4.16,  99.90,  -3.59,  -0.13,
08/18 07Z,   0.70,  -6.19,  99.90,  -5.63,  -0.13,
08/18 08Z,   0.70,  -8.50,  99.90,  -7.93,  -0.13,
08/18 09Z,   0.70, -10.57,  99.90, -10.00,  -0.13,
08/18 10Z,   0.70, -11.86,  99.90, -11.29,  -0.13,
08/18 11Z,   0.70, -12.06,  99.90, -11.49,  -0.13,  (min)
08/18 12Z,   0.70, -11.26,  99.90, -10.69,  -0.13,
08/18 13Z,   0.70,  -9.76,  99.90,  -9.19,  -0.13,
08/18 14Z,   0.70,  -7.96,  99.90,  -7.39,  -0.13,
08/18 15Z,   0.70,  -6.26,  99.90,  -5.69,  -0.13,
08/18 16Z,   0.70,  -5.06,  99.90,  -4.49,  -0.13,
08/18 17Z,   0.70,  -4.58,  99.90,  -4.01,  -0.13,  (max)
08/18 18Z,   0.70,  -4.77,  99.90,  -4.20,  -0.13,
08/18 19Z,   0.70,  -5.46,  99.90,  -4.89,  -0.13,
08/18 20Z,   0.70,  -6.43,  99.90,  -5.86,  -0.13,
08/18 21Z,   0.70,  -7.42,  99.90,  -6.85,  -0.13,
08/18 22Z,   0.70,  -8.04,  99.90,  -7.47,  -0.13,  (min)
08/18 23Z,   0.70,  -8.01,  99.90,  -7.44,  -0.13,
08/19 00Z,   0.70,  -7.31,  99.90,  -6.74,  -0.13,
08/19 01Z,   0.70,  -6.15,  99.90,  -5.58,  -0.13,
08/19 02Z,   0.70,  -4.81,  99.90,  -4.24,  -0.13,
08/19 03Z,   0.70,  -3.58,  99.90,  -3.01,  -0.13,
08/19 04Z,   0.70,  -2.82,  99.90,  -2.25,  -0.13,  (max)
08/19 05Z,   0.70,  -2.83,  99.90,  -2.26,  -0.13,
08/19 06Z,   0.70,  -3.70,  99.90,  -3.13,  -0.13,
08/19 07Z,   0.70,  -5.28,  99.90,  -4.71,  -0.13,
08/19 08Z,   0.70,  -7.31,  99.90,  -6.74,  -0.13,
08/19 09Z,   0.70,  -9.46,  99.90,  -8.89,  -0.13,
08/19 10Z,   0.70, -11.27,  99.90, -10.70,  -0.13,
08/19 11Z,   0.70, -12.27,  99.90, -11.70,  -0.13,  (min)
08/19 12Z,   0.70, -12.25,  99.90, -11.68,  -0.13,
08/19 13Z,   0.70, -11.36,  99.90, -10.79,  -0.13,
08/19 14Z,   0.70,  -9.89,  99.90,  -9.32,  -0.13,
08/19 15Z,   0.70,  -8.16,  99.90,  -7.59,  -0.13,
08/19 16Z,   0.70,  -6.53,  99.90,  -5.96,  -0.13,
08/19 17Z,   0.70,  -5.35,  99.90,  -4.78,  -0.13,
08/19 18Z,   0.70,  -4.77,  99.90,  -4.20,  -0.13,
08/19 19Z,   0.70,  -4.72,  99.90,  -4.15,  -0.13,  (max)
08/19 20Z,   0.70,  -5.04,  99.90,  -4.47,  -0.13,
08/19 21Z,   0.70,  -5.61,  99.90,  -5.04,  -0.13,
08/19 22Z,   0.70,  -6.24,  99.90,  -5.67,  -0.13,
08/19 23Z,   0.70,  -6.63,  99.90,  -6.06,  -0.13,  (min)
08/20 00Z,   0.70,  -6.59,  99.90,  -6.02,  -0.13,