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
#Seattle, WA : 01/25/2026 06:21:45 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 12Z,   0.20,   5.40,   5.09,  99.90,  -0.51,
01/23 13Z,   0.20,   8.04,   7.77,  99.90,  -0.47,
01/23 14Z,   0.20,  10.40,  10.15,  99.90,  -0.45,
01/23 15Z,   0.20,  12.03,  11.60,  99.90,  -0.63,
01/23 16Z,   0.20,  12.63,  12.05,  99.90,  -0.78,  (max)
01/23 17Z,   0.20,  12.12,  11.57,  99.90,  -0.75,
01/23 18Z,   0.10,  10.70,  10.45,  99.90,  -0.35,
01/23 19Z,   0.10,   8.73,   8.73,  99.90,  -0.10,
01/23 20Z,   0.10,   6.61,   6.61,  99.90,  -0.10,
01/23 21Z,   0.10,   4.85,   4.90,  99.90,  -0.05,
01/23 22Z,   0.10,   3.94,   3.98,  99.90,  -0.06,  (min)
01/23 23Z,   0.10,   4.09,   4.04,  99.90,  -0.15,
01/24 00Z,   0.20,   5.09,   4.87,  99.90,  -0.42,
01/24 01Z,   0.20,   6.48,   5.99,  99.90,  -0.69,
01/24 02Z,   0.10,   7.84,   7.33,  99.90,  -0.61,
01/24 03Z,   0.10,   8.81,   8.32,  99.90,  -0.59,
01/24 04Z,   0.10,   9.08,   8.58,  99.90,  -0.60,  (max)
01/24 05Z,   0.10,   8.53,   8.01,  99.90,  -0.62,
01/24 06Z,   0.10,   7.29,   6.82,  99.90,  -0.57,
01/24 07Z,   0.10,   5.69,   5.24,  99.90,  -0.55,
01/24 08Z,   0.10,   4.08,   3.50,  99.90,  -0.68,
01/24 09Z,   0.10,   2.87,   2.24,  99.90,  -0.73,
01/24 10Z,   0.10,   2.51,   1.98,  99.90,  -0.63,  (min)
01/24 11Z,   0.10,   3.25,   2.79,  99.90,  -0.56,
01/24 12Z,   0.00,   4.98,   4.47,  99.90,  -0.51,
01/24 13Z,   0.00,   7.24,   6.71,  99.90,  -0.53,
01/24 14Z,   0.00,   9.52,   9.05,  99.90,  -0.47,
01/24 15Z,   0.00,  11.37,  10.97,  99.90,  -0.40,
01/24 16Z,   0.00,  12.43,  11.99,  99.90,  -0.44,  (max)
01/24 17Z,   0.00,  12.45,  11.92,  99.90,  -0.53,
01/24 18Z,   0.00,  11.43,  11.06,  99.90,  -0.37,
01/24 19Z,   0.00,   9.61,   9.59,  99.90,  -0.02,
01/24 20Z,   0.00,   7.39,   7.40,  99.90,   0.01,
01/24 21Z,   0.00,   5.17,   5.15,  99.90,  -0.02,
01/24 22Z,   0.00,   3.47,   3.52,  99.90,   0.05,
01/24 23Z,   0.00,   2.74,   2.81,  99.90,   0.07,  (min)
01/25 00Z,   0.10,   3.10,   3.08,  99.90,  -0.12,
01/25 01Z,   0.10,   4.26,   4.02,  99.90,  -0.34,
01/25 02Z,   0.10,   5.78,   5.26,  99.90,  -0.62,
01/25 03Z,   0.10,   7.24,   6.72,  99.90,  -0.62,
01/25 04Z,   0.10,   8.31,   7.77,  99.90,  -0.64,
01/25 05Z,   0.10,   8.72,   8.20,  99.90,  -0.62,  (max)
01/25 06Z,   0.10,   8.38,   7.91,  99.90,  -0.57,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/25 07Z,   0.10,   7.48,  99.90,   7.03,  -0.55,
01/25 08Z,   0.10,   6.32,  99.90,   5.89,  -0.53,
01/25 09Z,   0.10,   5.20,  99.90,   4.78,  -0.51,
01/25 10Z,   0.10,   4.44,  99.90,   4.05,  -0.50,
01/25 11Z,   0.10,   4.41,  99.90,   4.04,  -0.48,  (min)
01/25 12Z,   0.20,   5.28,  99.90,   5.02,  -0.46,
01/25 13Z,   0.20,   6.87,  99.90,   6.63,  -0.44,
01/25 14Z,   0.20,   8.77,  99.90,   8.55,  -0.42,
01/25 15Z,   0.20,  10.55,  99.90,  10.35,  -0.40,
01/25 16Z,   0.20,  11.87,  99.90,  11.69,  -0.38,
01/25 17Z,   0.20,  12.41,  99.90,  12.25,  -0.36,  (max)
01/25 18Z,   0.20,  11.96,  99.90,  11.81,  -0.34,
01/25 19Z,   0.20,  10.55,  99.90,  10.41,  -0.34,
01/25 20Z,   0.20,   8.48,  99.90,   8.34,  -0.34,
01/25 21Z,   0.20,   6.11,  99.90,   5.97,  -0.34,
01/25 22Z,   0.20,   3.87,  99.90,   3.72,  -0.34,
01/25 23Z,   0.20,   2.23,  99.90,   2.09,  -0.34,
01/26 00Z,   0.20,   1.62,  99.90,   1.48,  -0.34,  (min)
01/26 01Z,   0.20,   2.10,  99.90,   1.95,  -0.34,
01/26 02Z,   0.20,   3.36,  99.90,   3.22,  -0.34,
01/26 03Z,   0.20,   4.99,  99.90,   4.85,  -0.34,
01/26 04Z,   0.20,   6.60,  99.90,   6.46,  -0.34,
01/26 05Z,   0.20,   7.86,  99.90,   7.71,  -0.34,
01/26 06Z,   0.20,   8.51,  99.90,   8.37,  -0.34,
01/26 07Z,   0.20,   8.52,  99.90,   8.38,  -0.34,  (max)
01/26 08Z,   0.20,   8.05,  99.90,   7.91,  -0.34,
01/26 09Z,   0.20,   7.37,  99.90,   7.23,  -0.34,
01/26 10Z,   0.20,   6.68,  99.90,   6.54,  -0.34,
01/26 11Z,   0.20,   6.23,  99.90,   6.09,  -0.34,  (min)
01/26 12Z,   0.20,   6.32,  99.90,   6.18,  -0.34,
01/26 13Z,   0.20,   7.07,  99.90,   6.93,  -0.34,
01/26 14Z,   0.20,   8.34,  99.90,   8.19,  -0.34,
01/26 15Z,   0.20,   9.78,  99.90,   9.63,  -0.34,
01/26 16Z,   0.20,  11.08,  99.90,  10.94,  -0.34,
01/26 17Z,   0.20,  11.95,  99.90,  11.81,  -0.34,
01/26 18Z,   0.20,  12.09,  99.90,  11.95,  -0.34,  (max)
01/26 19Z,   0.20,  11.32,  99.90,  11.18,  -0.34,
01/26 20Z,   0.20,   9.70,  99.90,   9.55,  -0.34,
01/26 21Z,   0.20,   7.50,  99.90,   7.35,  -0.34,
01/26 22Z,   0.20,   5.06,  99.90,   4.92,  -0.34,
01/26 23Z,   0.20,   2.79,  99.90,   2.65,  -0.34,
01/27 00Z,   0.10,   1.17,  99.90,   0.93,  -0.34,
01/27 01Z,   0.10,   0.60,  99.90,   0.35,  -0.34,  (min)
01/27 02Z,   0.10,   1.11,  99.90,   0.87,  -0.34,
01/27 03Z,   0.10,   2.45,  99.90,   2.20,  -0.34,
01/27 04Z,   0.10,   4.20,  99.90,   3.96,  -0.34,
01/27 05Z,   0.10,   6.01,  99.90,   5.77,  -0.34,
01/27 06Z,   0.10,   7.54,  99.90,   7.30,  -0.34,
01/27 07Z,   0.10,   8.53,  99.90,   8.29,  -0.34,
01/27 08Z,   0.10,   8.95,  99.90,   8.70,  -0.34,
01/27 09Z,   0.20,   8.93,  99.90,   8.79,  -0.34,  (max)
01/27 10Z,   0.10,   8.65,  99.90,   8.41,  -0.34,
01/27 11Z,   0.10,   8.25,  99.90,   8.01,  -0.34,
01/27 12Z,   0.10,   7.91,  99.90,   7.67,  -0.34,
01/27 13Z,   0.10,   7.90,  99.90,   7.66,  -0.34,  (min)
01/27 14Z,   0.10,   8.37,  99.90,   8.13,  -0.34,
01/27 15Z,   0.10,   9.22,  99.90,   8.98,  -0.34,
01/27 16Z,   0.10,  10.23,  99.90,   9.99,  -0.34,
01/27 17Z,   0.10,  11.16,  99.90,  10.92,  -0.34,
01/27 18Z,   0.10,  11.74,  99.90,  11.50,  -0.34,  (max)
01/27 19Z,   0.10,  11.66,  99.90,  11.42,  -0.34,
01/27 20Z,   0.20,  10.74,  99.90,  10.60,  -0.34,
01/27 21Z,   0.20,   9.04,  99.90,   8.89,  -0.34,
01/27 22Z,   0.20,   6.79,  99.90,   6.64,  -0.34,
01/27 23Z,   0.20,   4.30,  99.90,   4.15,  -0.34,
01/28 00Z,   0.20,   1.96,  99.90,   1.82,  -0.34,
01/28 01Z,   0.30,   0.28,  99.90,   0.24,  -0.34,
01/28 02Z,   0.30,  -0.34,  99.90,  -0.38,  -0.34,  (min)
01/28 03Z,   0.30,   0.18,  99.90,   0.14,  -0.34,
01/28 04Z,   0.40,   1.58,  99.90,   1.64,  -0.34,
01/28 05Z,   0.40,   3.51,  99.90,   3.57,  -0.34,
01/28 06Z,   0.40,   5.59,  99.90,   5.65,  -0.34,
01/28 07Z,   0.40,   7.45,  99.90,   7.51,  -0.34,
01/28 08Z,   0.50,   8.81,  99.90,   8.97,  -0.34,
01/28 09Z,   0.50,   9.61,  99.90,   9.77,  -0.34,
01/28 10Z,   0.50,   9.95,  99.90,  10.11,  -0.34,  (max)
01/28 11Z,   0.50,   9.94,  99.90,  10.09,  -0.34,
01/28 12Z,   0.50,   9.62,  99.90,   9.77,  -0.34,
01/28 13Z,   0.50,   9.18,  99.90,   9.33,  -0.34,
01/28 14Z,   0.50,   8.91,  99.90,   9.07,  -0.34,  (min)
01/28 15Z,   0.50,   9.03,  99.90,   9.19,  -0.34,
01/28 16Z,   0.50,   9.51,  99.90,   9.67,  -0.34,
01/28 17Z,   0.50,  10.22,  99.90,  10.38,  -0.34,
01/28 18Z,   0.60,  10.96,  99.90,  11.21,  -0.34,
01/28 19Z,   0.60,  11.44,  99.90,  11.69,  -0.34,  (max)
01/28 20Z,   0.60,  11.31,  99.90,  11.57,  -0.34,
01/28 21Z,   0.60,  10.37,  99.90,  10.63,  -0.34,
01/28 22Z,   0.60,   8.65,  99.90,   8.91,  -0.34,
01/28 23Z,   0.70,   6.37,  99.90,   6.72,  -0.34,
01/29 00Z,   0.70,   3.78,  99.90,   4.14,  -0.34,