EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Alaska
Gulf of Alaska
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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
#Astoria, OR : 08/17/2026 20:23:50 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 00Z,   0.30,  -0.32,  -0.07,  99.90,  -0.05,  (max)
08/16 01Z,   0.30,  -1.46,  -1.43,  99.90,  -0.27,
08/16 02Z,   0.30,  -3.19,  -3.37,  99.90,  -0.48,
08/16 03Z,   0.30,  -5.05,  -5.26,  99.90,  -0.51,
08/16 04Z,   0.30,  -6.67,  -6.87,  99.90,  -0.50,
08/16 05Z,   0.30,  -7.67,  -7.84,  99.90,  -0.47,
08/16 06Z,   0.30,  -7.74,  -7.86,  99.90,  -0.42,  (min)
08/16 07Z,   0.30,  -6.79,  -6.56,  99.90,  -0.07,
08/16 08Z,   0.30,  -5.14,  -4.71,  99.90,   0.13,
08/16 09Z,   0.30,  -3.30,  -2.87,  99.90,   0.13,
08/16 10Z,   0.30,  -1.76,  -1.35,  99.90,   0.11,
08/16 11Z,   0.30,  -0.87,  -0.54,  99.90,   0.03,  (max)
08/16 12Z,   0.20,  -0.92,  -0.67,  99.90,   0.05,
08/16 13Z,   0.20,  -1.93,  -1.92,  99.90,  -0.19,
08/16 14Z,   0.20,  -3.59,  -3.81,  99.90,  -0.42,
08/16 15Z,   0.20,  -5.41,  -5.67,  99.90,  -0.46,
08/16 16Z,   0.20,  -7.01,  -7.26,  99.90,  -0.45,
08/16 17Z,   0.20,  -8.07,  -8.29,  99.90,  -0.42,
08/16 18Z,   0.20,  -8.26,  -8.42,  99.90,  -0.36,  (min)
08/16 19Z,   0.20,  -7.42,  -7.13,  99.90,   0.09,
08/16 20Z,   0.20,  -5.73,  -5.25,  99.90,   0.28,
08/16 21Z,   0.20,  -3.70,  -3.29,  99.90,   0.21,
08/16 22Z,   0.20,  -1.83,  -1.48,  99.90,   0.15,
08/16 23Z,   0.20,  -0.53,  -0.28,  99.90,   0.05,
08/17 00Z,   0.20,  -0.10,   0.15,  99.90,   0.05,  (max)
08/17 01Z,   0.20,  -0.68,  -0.62,  99.90,  -0.14,
08/17 02Z,   0.20,  -2.09,  -2.27,  99.90,  -0.38,
08/17 03Z,   0.20,  -3.90,  -4.18,  99.90,  -0.48,
08/17 04Z,   0.20,  -5.68,  -5.93,  99.90,  -0.45,
08/17 05Z,   0.20,  -7.10,  -7.38,  99.90,  -0.48,
08/17 06Z,   0.20,  -7.87,  -8.12,  99.90,  -0.45,  (min)
08/17 07Z,   0.20,  -7.72,  -7.73,  99.90,  -0.21,
08/17 08Z,   0.20,  -6.68,  -6.36,  99.90,   0.12,
08/17 09Z,   0.20,  -5.09,  -4.71,  99.90,   0.18,
08/17 10Z,   0.20,  -3.45,  -3.10,  99.90,   0.15,
08/17 11Z,   0.20,  -2.14,  -1.79,  99.90,   0.15,
08/17 12Z,   0.20,  -1.48,  -1.21,  99.90,   0.07,  (max)
08/17 13Z,   0.20,  -1.68,  -1.56,  99.90,  -0.08,
08/17 14Z,   0.20,  -2.69,  -2.75,  99.90,  -0.26,
08/17 15Z,   0.20,  -4.19,  -4.40,  99.90,  -0.41,
08/17 16Z,   0.20,  -5.71,  -6.01,  99.90,  -0.50,
08/17 17Z,   0.20,  -6.91,  -7.15,  99.90,  -0.44,
08/17 18Z,   0.20,  -7.52,  -7.61,  99.90,  -0.29,  (min)
08/17 19Z,   0.20,  -7.31,  -7.13,  99.90,  -0.02,
08/17 20Z,   0.20,  -6.19,  -5.76,  99.90,   0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 21Z,   0.20,  -4.46,  99.90,  -4.06,   0.20,
08/17 22Z,   0.20,  -2.63,  99.90,  -2.26,   0.17,
08/17 23Z,   0.20,  -1.15,  99.90,  -0.82,   0.14,
08/18 00Z,   0.20,  -0.32,  99.90,  -0.01,   0.11,  (max)
08/18 01Z,   0.20,  -0.34,  99.90,  -0.06,   0.08,
08/18 02Z,   0.20,  -1.25,  99.90,  -1.00,   0.05,
08/18 03Z,   0.20,  -2.80,  99.90,  -2.58,   0.02,
08/18 04Z,   0.20,  -4.56,  99.90,  -4.37,  -0.01,
08/18 05Z,   0.20,  -6.15,  99.90,  -5.99,  -0.04,
08/18 06Z,   0.20,  -7.33,  99.90,  -7.20,  -0.07,
08/18 07Z,   0.20,  -7.88,  99.90,  -7.78,  -0.10,  (min)
08/18 08Z,   0.20,  -7.59,  99.90,  -7.52,  -0.13,
08/18 09Z,   0.20,  -6.55,  99.90,  -6.48,  -0.13,
08/18 10Z,   0.20,  -5.12,  99.90,  -5.05,  -0.13,
08/18 11Z,   0.20,  -3.71,  99.90,  -3.64,  -0.13,
08/18 12Z,   0.20,  -2.64,  99.90,  -2.57,  -0.13,
08/18 13Z,   0.20,  -2.14,  99.90,  -2.07,  -0.13,  (max)
08/18 14Z,   0.20,  -2.38,  99.90,  -2.31,  -0.13,
08/18 15Z,   0.20,  -3.29,  99.90,  -3.22,  -0.13,
08/18 16Z,   0.20,  -4.54,  99.90,  -4.47,  -0.13,
08/18 17Z,   0.20,  -5.71,  99.90,  -5.64,  -0.13,
08/18 18Z,   0.20,  -6.52,  99.90,  -6.45,  -0.13,
08/18 19Z,   0.20,  -6.77,  99.90,  -6.70,  -0.13,  (min)
08/18 20Z,   0.20,  -6.27,  99.90,  -6.20,  -0.13,
08/18 21Z,   0.20,  -5.05,  99.90,  -4.98,  -0.13,
08/18 22Z,   0.20,  -3.44,  99.90,  -3.37,  -0.13,
08/18 23Z,   0.20,  -1.93,  99.90,  -1.86,  -0.13,
08/19 00Z,   0.20,  -0.86,  99.90,  -0.79,  -0.13,
08/19 01Z,   0.20,  -0.45,  99.90,  -0.38,  -0.13,  (max)
08/19 02Z,   0.20,  -0.80,  99.90,  -0.73,  -0.13,
08/19 03Z,   0.20,  -1.90,  99.90,  -1.83,  -0.13,
08/19 04Z,   0.20,  -3.45,  99.90,  -3.37,  -0.13,
08/19 05Z,   0.20,  -5.04,  99.90,  -4.97,  -0.13,
08/19 06Z,   0.20,  -6.41,  99.90,  -6.34,  -0.13,
08/19 07Z,   0.20,  -7.38,  99.90,  -7.31,  -0.13,
08/19 08Z,   0.20,  -7.77,  99.90,  -7.70,  -0.13,  (min)
08/19 09Z,   0.20,  -7.44,  99.90,  -7.37,  -0.13,
08/19 10Z,   0.20,  -6.50,  99.90,  -6.43,  -0.13,
08/19 11Z,   0.20,  -5.28,  99.90,  -5.21,  -0.13,
08/19 12Z,   0.20,  -4.09,  99.90,  -4.02,  -0.13,
08/19 13Z,   0.20,  -3.17,  99.90,  -3.10,  -0.13,
08/19 14Z,   0.20,  -2.72,  99.90,  -2.65,  -0.13,  (max)
08/19 15Z,   0.30,  -2.90,  99.90,  -2.73,  -0.13,
08/19 16Z,   0.30,  -3.64,  99.90,  -3.46,  -0.13,
08/19 17Z,   0.20,  -4.59,  99.90,  -4.52,  -0.13,
08/19 18Z,   0.20,  -5.43,  99.90,  -5.36,  -0.13,
08/19 19Z,   0.20,  -5.95,  99.90,  -5.88,  -0.13,
08/19 20Z,   0.20,  -5.97,  99.90,  -5.90,  -0.13,  (min)
08/19 21Z,   0.20,  -5.36,  99.90,  -5.28,  -0.13,
08/19 22Z,   0.20,  -4.18,  99.90,  -4.11,  -0.13,
08/19 23Z,   0.20,  -2.80,  99.90,  -2.73,  -0.13,
08/20 00Z,   0.30,  -1.62,  99.90,  -1.45,  -0.13,
08/20 01Z,   0.30,  -0.91,  99.90,  -0.74,  -0.13,
08/20 02Z,   0.30,  -0.78,  99.90,  -0.61,  -0.13,  (max)
08/20 03Z,   0.30,  -1.32,  99.90,  -1.14,  -0.13,
08/20 04Z,   0.30,  -2.45,  99.90,  -2.28,  -0.13,
08/20 05Z,   0.30,  -3.89,  99.90,  -3.72,  -0.13,
08/20 06Z,   0.30,  -5.30,  99.90,  -5.13,  -0.13,
08/20 07Z,   0.30,  -6.47,  99.90,  -6.30,  -0.13,
08/20 08Z,   0.20,  -7.31,  99.90,  -7.24,  -0.13,
08/20 09Z,   0.20,  -7.66,  99.90,  -7.58,  -0.13,  (min)
08/20 10Z,   0.30,  -7.38,  99.90,  -7.21,  -0.13,
08/20 11Z,   0.30,  -6.60,  99.90,  -6.43,  -0.13,
08/20 12Z,   0.30,  -5.56,  99.90,  -5.39,  -0.13,
08/20 13Z,   0.20,  -4.52,  99.90,  -4.44,  -0.13,
08/20 14Z,   0.30,  -3.63,  99.90,  -3.46,  -0.13,
08/20 15Z,   0.30,  -3.12,  99.90,  -2.95,  -0.13,  (max)
08/20 16Z,   0.30,  -3.16,  99.90,  -2.99,  -0.13,
08/20 17Z,   0.30,  -3.68,  99.90,  -3.51,  -0.13,
08/20 18Z,   0.20,  -4.38,  99.90,  -4.31,  -0.13,
08/20 19Z,   0.30,  -5.00,  99.90,  -4.83,  -0.13,
08/20 20Z,   0.30,  -5.36,  99.90,  -5.18,  -0.13,  (min)
08/20 21Z,   0.30,  -5.30,  99.90,  -5.13,  -0.13,
08/20 22Z,   0.30,  -4.72,  99.90,  -4.54,  -0.13,
08/20 23Z,   0.30,  -3.69,  99.90,  -3.52,  -0.13,
08/21 00Z,   0.30,  -2.55,  99.90,  -2.38,  -0.13,
08/21 01Z,   0.30,  -1.64,  99.90,  -1.47,  -0.13,
08/21 02Z,   0.30,  -1.13,  99.90,  -0.96,  -0.13,
08/21 03Z,   0.30,  -1.13,  99.90,  -0.96,  -0.13,  (max)
08/21 04Z,   0.30,  -1.70,  99.90,  -1.53,  -0.13,
08/21 05Z,   0.30,  -2.78,  99.90,  -2.61,  -0.13,
08/21 06Z,   0.30,  -4.09,  99.90,  -3.92,  -0.13,
08/21 07Z,   0.30,  -5.35,  99.90,  -5.18,  -0.13,
08/21 08Z,   0.30,  -6.43,  99.90,  -6.26,  -0.13,
08/21 09Z,   0.30,  -7.25,  99.90,  -7.08,  -0.13,
08/21 10Z,   0.30,  -7.65,  99.90,  -7.48,  -0.13,  (min)
08/21 11Z,   0.30,  -7.49,  99.90,  -7.31,  -0.13,
08/21 12Z,   0.30,  -6.84,  99.90,  -6.67,  -0.13,