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 : 04/20/2026 21:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 06Z,   0.40,   4.18,   4.91,  99.90,   0.33,
04/19 07Z,   0.40,   6.22,   6.96,  99.90,   0.34,
04/19 08Z,   0.50,   8.15,   8.85,  99.90,   0.20,
04/19 09Z,   0.50,   9.43,  10.08,  99.90,   0.15,
04/19 10Z,   0.50,   9.74,  10.39,  99.90,   0.15,  (max)
04/19 11Z,   0.50,   8.93,   9.41,  99.90,  -0.02,
04/19 12Z,   0.50,   7.11,   7.41,  99.90,  -0.20,
04/19 13Z,   0.50,   4.69,   5.20,  99.90,   0.01,
04/19 14Z,   0.50,   2.27,   3.16,  99.90,   0.39,
04/19 15Z,   0.50,   0.29,   1.41,  99.90,   0.62,
04/19 16Z,   0.50,  -1.00,   0.14,  99.90,   0.64,
04/19 17Z,   0.50,  -1.36,  -0.46,  99.90,   0.40,  (min)
04/19 18Z,   0.60,  -0.66,   0.08,  99.90,   0.14,
04/19 19Z,   0.60,   0.97,   1.80,  99.90,   0.23,
04/19 20Z,   0.60,   3.07,   3.77,  99.90,   0.10,
04/19 21Z,   0.60,   5.11,   5.78,  99.90,   0.07,
04/19 22Z,   0.60,   6.68,   7.40,  99.90,   0.12,
04/19 23Z,   0.60,   7.45,   8.17,  99.90,   0.12,  (max)
04/20 00Z,   0.60,   7.24,   7.90,  99.90,   0.06,
04/20 01Z,   0.60,   6.19,   6.80,  99.90,   0.01,
04/20 02Z,   0.60,   4.75,   5.24,  99.90,  -0.11,
04/20 03Z,   0.60,   3.44,   3.81,  99.90,  -0.23,
04/20 04Z,   0.60,   2.61,   2.96,  99.90,  -0.25,  (min)
04/20 05Z,   0.60,   2.52,   3.04,  99.90,  -0.08,
04/20 06Z,   0.50,   3.35,   4.12,  99.90,   0.27,
04/20 07Z,   0.50,   4.99,   5.88,  99.90,   0.39,
04/20 08Z,   0.50,   6.97,   7.81,  99.90,   0.34,
04/20 09Z,   0.40,   8.67,   9.48,  99.90,   0.41,
04/20 10Z,   0.40,   9.62,  10.39,  99.90,   0.37,  (max)
04/20 11Z,   0.50,   9.57,  10.34,  99.90,   0.27,
04/20 12Z,   0.50,   8.46,   9.10,  99.90,   0.14,
04/20 13Z,   0.50,   6.47,   6.91,  99.90,  -0.06,
04/20 14Z,   0.50,   4.06,   4.73,  99.90,   0.17,
04/20 15Z,   0.50,   1.77,   2.85,  99.90,   0.58,
04/20 16Z,   0.60,  -0.01,   1.25,  99.90,   0.66,
04/20 17Z,   0.60,  -1.07,   0.08,  99.90,   0.55,
04/20 18Z,   0.50,  -1.24,  -0.26,  99.90,   0.48,  (min)
04/20 19Z,   0.50,  -0.40,   0.41,  99.90,   0.31,
04/20 20Z,   0.60,   1.24,   2.10,  99.90,   0.26,
04/20 21Z,   0.60,   3.24,   3.96,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 22Z,   0.60,   5.11,  99.90,   5.83,   0.12,
04/20 23Z,   0.50,   6.51,  99.90,   7.12,   0.11,
04/21 00Z,   0.60,   7.15,  99.90,   7.86,   0.11,  (max)
04/21 01Z,   0.60,   6.89,  99.90,   7.60,   0.11,
04/21 02Z,   0.60,   5.90,  99.90,   6.61,   0.11,
04/21 03Z,   0.60,   4.62,  99.90,   5.32,   0.10,
04/21 04Z,   0.60,   3.52,  99.90,   4.22,   0.10,
04/21 05Z,   0.60,   2.90,  99.90,   3.60,   0.10,  (min)
04/21 06Z,   0.60,   2.99,  99.90,   3.69,   0.09,
04/21 07Z,   0.60,   3.93,  99.90,   4.62,   0.09,
04/21 08Z,   0.50,   5.55,  99.90,   6.14,   0.09,
04/21 09Z,   0.50,   7.36,  99.90,   7.94,   0.08,
04/21 10Z,   0.50,   8.77,  99.90,   9.36,   0.08,
04/21 11Z,   0.60,   9.42,  99.90,  10.10,   0.08,  (max)
04/21 12Z,   0.50,   9.13,  99.90,   9.72,   0.08,
04/21 13Z,   0.50,   7.90,  99.90,   8.48,   0.08,
04/21 14Z,   0.50,   5.93,  99.90,   6.51,   0.08,
04/21 15Z,   0.60,   3.67,  99.90,   4.36,   0.08,
04/21 16Z,   0.60,   1.62,  99.90,   2.30,   0.08,
04/21 17Z,   0.60,   0.07,  99.90,   0.75,   0.08,
04/21 18Z,   0.60,  -0.82,  99.90,  -0.14,   0.08,
04/21 19Z,   0.60,  -0.87,  99.90,  -0.19,   0.08,  (min)
04/21 20Z,   0.60,  -0.02,  99.90,   0.66,   0.08,
04/21 21Z,   0.50,   1.52,  99.90,   2.10,   0.08,
04/21 22Z,   0.50,   3.33,  99.90,   3.91,   0.08,
04/21 23Z,   0.50,   5.01,  99.90,   5.59,   0.08,
04/22 00Z,   0.60,   6.26,  99.90,   6.95,   0.08,
04/22 01Z,   0.60,   6.84,  99.90,   7.52,   0.08,  (max)
04/22 02Z,   0.50,   6.61,  99.90,   7.19,   0.08,
04/22 03Z,   0.60,   5.74,  99.90,   6.42,   0.08,
04/22 04Z,   0.60,   4.64,  99.90,   5.33,   0.08,
04/22 05Z,   0.60,   3.72,  99.90,   4.40,   0.08,
04/22 06Z,   0.50,   3.23,  99.90,   3.81,   0.08,  (min)
04/22 07Z,   0.50,   3.38,  99.90,   3.97,   0.08,
04/22 08Z,   0.50,   4.29,  99.90,   4.87,   0.08,
04/22 09Z,   0.60,   5.76,  99.90,   6.44,   0.08,
04/22 10Z,   0.60,   7.32,  99.90,   8.00,   0.08,
04/22 11Z,   0.60,   8.47,  99.90,   9.15,   0.08,
04/22 12Z,   0.60,   8.92,  99.90,   9.60,   0.08,  (max)
04/22 13Z,   0.60,   8.56,  99.90,   9.24,   0.08,
04/22 14Z,   0.70,   7.38,  99.90,   8.16,   0.08,
04/22 15Z,   0.70,   5.58,  99.90,   6.37,   0.08,
04/22 16Z,   0.70,   3.59,  99.90,   4.37,   0.08,
04/22 17Z,   0.70,   1.80,  99.90,   2.58,   0.08,
04/22 18Z,   0.70,   0.44,  99.90,   1.22,   0.08,
04/22 19Z,   0.70,  -0.35,  99.90,   0.43,   0.08,
04/22 20Z,   0.70,  -0.40,  99.90,   0.38,   0.08,  (min)
04/22 21Z,   0.60,   0.36,  99.90,   1.04,   0.08,
04/22 22Z,   0.60,   1.72,  99.90,   2.41,   0.08,
04/22 23Z,   0.60,   3.33,  99.90,   4.01,   0.08,
04/23 00Z,   0.60,   4.86,  99.90,   5.54,   0.08,
04/23 01Z,   0.60,   6.05,  99.90,   6.73,   0.08,
04/23 02Z,   0.60,   6.64,  99.90,   7.33,   0.08,  (max)
04/23 03Z,   0.60,   6.50,  99.90,   7.18,   0.08,
04/23 04Z,   0.60,   5.78,  99.90,   6.46,   0.08,
04/23 05Z,   0.50,   4.83,  99.90,   5.41,   0.08,
04/23 06Z,   0.50,   4.00,  99.90,   4.58,   0.08,
04/23 07Z,   0.50,   3.52,  99.90,   4.10,   0.08,
04/23 08Z,   0.40,   3.59,  99.90,   4.07,   0.08,  (min)
04/23 09Z,   0.40,   4.34,  99.90,   4.82,   0.08,
04/23 10Z,   0.40,   5.58,  99.90,   6.06,   0.08,
04/23 11Z,   0.40,   6.88,  99.90,   7.36,   0.08,
04/23 12Z,   0.40,   7.84,  99.90,   8.32,   0.08,
04/23 13Z,   0.40,   8.24,  99.90,   8.73,   0.08,  (max)
04/23 14Z,   0.40,   7.97,  99.90,   8.46,   0.08,
04/23 15Z,   0.30,   7.00,  99.90,   7.38,   0.08,
04/23 16Z,   0.30,   5.48,  99.90,   5.86,   0.08,
04/23 17Z,   0.30,   3.78,  99.90,   4.16,   0.08,
04/23 18Z,   0.30,   2.21,  99.90,   2.59,   0.08,
04/23 19Z,   0.30,   0.96,  99.90,   1.34,   0.08,
04/23 20Z,   0.30,   0.17,  99.90,   0.55,   0.08,
04/23 21Z,   0.30,   0.04,  99.90,   0.42,   0.08,  (min)
04/23 22Z,   0.30,   0.65,  99.90,   1.04,   0.08,
04/23 23Z,   0.30,   1.84,  99.90,   2.22,   0.08,
04/24 00Z,   0.30,   3.30,  99.90,   3.68,   0.08,
04/24 01Z,   0.30,   4.77,  99.90,   5.15,   0.08,
04/24 02Z,   0.30,   5.99,  99.90,   6.37,   0.08,
04/24 03Z,   0.30,   6.67,  99.90,   7.05,   0.08,  (max)
04/24 04Z,   0.30,   6.63,  99.90,   7.01,   0.08,
04/24 05Z,   0.30,   6.01,  99.90,   6.39,   0.08,
04/24 06Z,   0.30,   5.12,  99.90,   5.51,   0.08,
04/24 07Z,   0.30,   4.26,  99.90,   4.65,   0.08,
04/24 08Z,   0.30,   3.65,  99.90,   4.04,   0.08,
04/24 09Z,   0.30,   3.53,  99.90,   3.91,   0.08,  (min)
04/24 10Z,   0.30,   4.04,  99.90,   4.42,   0.08,
04/24 11Z,   0.30,   5.03,  99.90,   5.41,   0.08,
04/24 12Z,   0.30,   6.14,  99.90,   6.53,   0.08,
04/24 13Z,  99.90,   7.05,  99.90,  99.90,   0.08,
04/24 14Z,  99.90,   7.56,  99.90,  99.90,   0.08,
04/24 15Z,  99.90,   7.51,  99.90,  99.90,   0.08,
04/24 16Z,  99.90,   6.82,  99.90,  99.90,   0.08,
04/24 17Z,  99.90,   5.59,  99.90,  99.90,   0.08,
04/24 18Z,  99.90,   4.13,  99.90,  99.90,   0.08,