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
#Charleston, OR : 08/18/2026 11:22:49 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 12Z,   0.10,  -4.42,  -4.19,  99.90,   0.13,
08/16 13Z,   0.10,  -6.02,  -5.80,  99.90,   0.12,
08/16 14Z,   0.10,  -7.68,  -7.36,  99.90,   0.22,
08/16 15Z,   0.10,  -8.97,  -8.66,  99.90,   0.21,
08/16 16Z,   0.10,  -9.54,  -9.27,  99.90,   0.17,  (min)
08/16 17Z,   0.00,  -9.23,  -8.84,  99.90,   0.39,
08/16 18Z,   0.00,  -8.12,  -7.69,  99.90,   0.43,
08/16 19Z,   0.00,  -6.52,  -6.09,  99.90,   0.43,
08/16 20Z,   0.10,  -4.81,  -4.39,  99.90,   0.32,
08/16 21Z,   0.10,  -3.34,  -2.97,  99.90,   0.27,
08/16 22Z,   0.10,  -2.45,  -2.09,  99.90,   0.26,
08/16 23Z,   0.10,  -2.37,  -1.99,  99.90,   0.28,  (max)
08/17 00Z,   0.10,  -3.14,  -2.88,  99.90,   0.16,
08/17 01Z,   0.20,  -4.55,  -4.29,  99.90,   0.06,
08/17 02Z,   0.20,  -6.25,  -5.90,  99.90,   0.15,
08/17 03Z,   0.20,  -7.82,  -7.49,  99.90,   0.13,
08/17 04Z,   0.20,  -8.87,  -8.55,  99.90,   0.12,
08/17 05Z,   0.20,  -9.16,  -8.80,  99.90,   0.16,  (min)
08/17 06Z,   0.20,  -8.63,  -8.18,  99.90,   0.25,
08/17 07Z,   0.10,  -7.51,  -7.11,  99.90,   0.30,
08/17 08Z,   0.10,  -6.13,  -5.78,  99.90,   0.25,
08/17 09Z,   0.10,  -4.82,  -4.56,  99.90,   0.16,
08/17 10Z,   0.20,  -3.90,  -3.69,  99.90,   0.01,
08/17 11Z,   0.20,  -3.60,  -3.32,  99.90,   0.08,  (max)
08/17 12Z,   0.10,  -4.02,  -3.80,  99.90,   0.12,
08/17 13Z,   0.10,  -5.04,  -4.84,  99.90,   0.10,
08/17 14Z,   0.10,  -6.36,  -6.16,  99.90,   0.10,
08/17 15Z,   0.10,  -7.61,  -7.40,  99.90,   0.11,
08/17 16Z,   0.10,  -8.46,  -8.17,  99.90,   0.19,
08/17 17Z,   0.00,  -8.64,  -8.22,  99.90,   0.42,  (min)
08/17 18Z,   0.10,  -8.08,  -7.67,  99.90,   0.31,
08/17 19Z,   0.10,  -6.92,  -6.50,  99.90,   0.32,
08/17 20Z,   0.00,  -5.46,  -5.11,  99.90,   0.35,
08/17 21Z,   0.10,  -4.03,  -3.65,  99.90,   0.28,
08/17 22Z,   0.10,  -2.94,  -2.65,  99.90,   0.19,
08/17 23Z,   0.20,  -2.43,  -2.16,  99.90,   0.07,  (max)
08/18 00Z,   0.10,  -2.68,  -2.39,  99.90,   0.19,
08/18 01Z,   0.20,  -3.64,  -3.48,  99.90,  -0.04,
08/18 02Z,   0.20,  -5.10,  -4.89,  99.90,   0.01,
08/18 03Z,   0.20,  -6.69,  -6.46,  99.90,   0.03,
08/18 04Z,   0.20,  -8.07,  -7.77,  99.90,   0.10,
08/18 05Z,   0.10,  -8.92,  -8.59,  99.90,   0.23,
08/18 06Z,   0.10,  -9.07,  -8.68,  99.90,   0.29,  (min)
08/18 07Z,   0.00,  -8.52,  -8.14,  99.90,   0.38,
08/18 08Z,   0.20,  -7.49,  -7.16,  99.90,   0.13,
08/18 09Z,   0.10,  -6.30,  -5.99,  99.90,   0.21,
08/18 10Z,   0.10,  -5.21,  -4.93,  99.90,   0.18,
08/18 11Z,   0.20,  -4.47,  -4.20,  99.90,   0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/18 12Z,   0.20,  -4.27,  99.90,  -3.98,   0.08,  (max)
08/18 13Z,   0.20,  -4.64,  99.90,  -4.35,   0.09,
08/18 14Z,   0.10,  -5.46,  99.90,  -5.25,   0.11,
08/18 15Z,   0.20,  -6.43,  99.90,  -6.12,   0.12,
08/18 16Z,   0.10,  -7.28,  99.90,  -7.05,   0.13,
08/18 17Z,   0.10,  -7.75,  99.90,  -7.51,   0.14,  (min)
08/18 18Z,   0.20,  -7.67,  99.90,  -7.32,   0.15,
08/18 19Z,   0.20,  -7.01,  99.90,  -6.64,   0.16,
08/18 20Z,   0.10,  -5.92,  99.90,  -5.65,   0.17,
08/18 21Z,   0.20,  -4.70,  99.90,  -4.31,   0.19,
08/18 22Z,   0.20,  -3.59,  99.90,  -3.19,   0.20,
08/18 23Z,   0.20,  -2.84,  99.90,  -2.43,   0.21,
08/19 00Z,   0.20,  -2.64,  99.90,  -2.23,   0.21,  (max)
08/19 01Z,   0.30,  -3.10,  99.90,  -2.59,   0.21,
08/19 02Z,   0.30,  -4.14,  99.90,  -3.63,   0.21,
08/19 03Z,   0.20,  -5.53,  99.90,  -5.12,   0.21,
08/19 04Z,   0.20,  -6.96,  99.90,  -6.55,   0.21,
08/19 05Z,   0.20,  -8.14,  99.90,  -7.74,   0.21,
08/19 06Z,   0.20,  -8.84,  99.90,  -8.43,   0.21,
08/19 07Z,   0.10,  -8.92,  99.90,  -8.61,   0.21,  (min)
08/19 08Z,   0.20,  -8.42,  99.90,  -8.01,   0.21,
08/19 09Z,   0.30,  -7.55,  99.90,  -7.04,   0.21,
08/19 10Z,   0.20,  -6.55,  99.90,  -6.14,   0.21,
08/19 11Z,   0.30,  -5.63,  99.90,  -5.12,   0.21,
08/19 12Z,   0.30,  -5.00,  99.90,  -4.49,   0.21,
08/19 13Z,   0.20,  -4.80,  99.90,  -4.39,   0.21,  (max)
08/19 14Z,   0.30,  -5.05,  99.90,  -4.54,   0.21,
08/19 15Z,   0.30,  -5.61,  99.90,  -5.10,   0.21,
08/19 16Z,   0.20,  -6.26,  99.90,  -5.85,   0.21,
08/19 17Z,   0.30,  -6.78,  99.90,  -6.27,   0.21,
08/19 18Z,   0.30,  -7.00,  99.90,  -6.49,   0.21,  (min)
08/19 19Z,   0.30,  -6.79,  99.90,  -6.28,   0.21,
08/19 20Z,   0.30,  -6.16,  99.90,  -5.65,   0.21,
08/19 21Z,   0.30,  -5.25,  99.90,  -4.74,   0.21,
08/19 22Z,   0.40,  -4.28,  99.90,  -3.67,   0.21,
08/19 23Z,   0.40,  -3.46,  99.90,  -2.85,   0.21,
08/20 00Z,   0.30,  -2.96,  99.90,  -2.45,   0.21,
08/20 01Z,   0.30,  -2.95,  99.90,  -2.45,   0.21,  (max)
08/20 02Z,   0.30,  -3.50,  99.90,  -2.99,   0.21,
08/20 03Z,   0.40,  -4.52,  99.90,  -3.91,   0.21,
08/20 04Z,   0.30,  -5.78,  99.90,  -5.27,   0.21,
08/20 05Z,   0.30,  -7.05,  99.90,  -6.54,   0.21,
08/20 06Z,   0.30,  -8.10,  99.90,  -7.59,   0.21,
08/20 07Z,   0.20,  -8.72,  99.90,  -8.31,   0.21,  (min)
08/20 08Z,   0.30,  -8.81,  99.90,  -8.30,   0.21,
08/20 09Z,   0.40,  -8.41,  99.90,  -7.80,   0.21,
08/20 10Z,   0.30,  -7.69,  99.90,  -7.18,   0.21,
08/20 11Z,   0.30,  -6.84,  99.90,  -6.33,   0.21,
08/20 12Z,   0.40,  -6.02,  99.90,  -5.42,   0.21,
08/20 13Z,   0.30,  -5.41,  99.90,  -4.91,   0.21,
08/20 14Z,   0.40,  -5.14,  99.90,  -4.53,   0.21,  (max)
08/20 15Z,   0.40,  -5.22,  99.90,  -4.61,   0.21,
08/20 16Z,   0.30,  -5.53,  99.90,  -5.02,   0.21,
08/20 17Z,   0.30,  -5.93,  99.90,  -5.42,   0.21,
08/20 18Z,   0.40,  -6.25,  99.90,  -5.64,   0.21,
08/20 19Z,   0.40,  -6.36,  99.90,  -5.75,   0.21,  (min)
08/20 20Z,   0.30,  -6.16,  99.90,  -5.65,   0.21,
08/20 21Z,   0.30,  -5.64,  99.90,  -5.13,   0.21,
08/20 22Z,   0.40,  -4.91,  99.90,  -4.30,   0.21,
08/20 23Z,   0.50,  -4.16,  99.90,  -3.45,   0.21,
08/21 00Z,   0.40,  -3.52,  99.90,  -2.92,   0.21,
08/21 01Z,   0.40,  -3.17,  99.90,  -2.56,   0.21,  (max)
08/21 02Z,   0.40,  -3.23,  99.90,  -2.62,   0.21,
08/21 03Z,   0.40,  -3.77,  99.90,  -3.16,   0.21,
08/21 04Z,   0.40,  -4.71,  99.90,  -4.10,   0.21,
08/21 05Z,   0.40,  -5.87,  99.90,  -5.26,   0.21,
08/21 06Z,   0.40,  -7.04,  99.90,  -6.43,   0.21,
08/21 07Z,   0.30,  -8.03,  99.90,  -7.52,   0.21,
08/21 08Z,   0.40,  -8.66,  99.90,  -8.06,   0.21,
08/21 09Z,   0.40,  -8.82,  99.90,  -8.21,   0.21,  (min)
08/21 10Z,   0.40,  -8.53,  99.90,  -7.92,   0.21,
08/21 11Z,   0.40,  -7.91,  99.90,  -7.30,   0.21,
08/21 12Z,   0.50,  -7.12,  99.90,  -6.41,   0.21,
08/21 13Z,   0.50,  -6.31,  99.90,  -5.60,   0.21,
08/21 14Z,   0.40,  -5.64,  99.90,  -5.03,   0.21,
08/21 15Z,   0.40,  -5.24,  99.90,  -4.63,   0.21,
08/21 16Z,   0.40,  -5.15,  99.90,  -4.54,   0.21,  (max)
08/21 17Z,   0.40,  -5.30,  99.90,  -4.69,   0.21,
08/21 18Z,   0.40,  -5.56,  99.90,  -4.95,   0.21,
08/21 19Z,   0.40,  -5.82,  99.90,  -5.21,   0.21,
08/21 20Z,   0.30,  -5.95,  99.90,  -5.44,   0.21,  (min)
08/21 21Z,   0.40,  -5.84,  99.90,  -5.23,   0.21,
08/21 22Z,   0.40,  -5.45,  99.90,  -4.84,   0.21,
08/21 23Z,   0.40,  -4.86,  99.90,  -4.25,   0.21,
08/22 00Z,   0.30,  -4.22,  99.90,  -3.71,   0.21,