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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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 : 01/23/2026 07:21:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 12Z,   0.20,   7.48,   7.29,  99.90,  -0.39,
01/21 13Z,   0.20,  10.03,   9.72,  99.90,  -0.51,
01/21 14Z,   0.20,  11.75,  11.23,  99.90,  -0.72,
01/21 15Z,   0.20,  12.42,  11.88,  99.90,  -0.74,  (max)
01/21 16Z,   0.20,  12.08,  11.64,  99.90,  -0.64,
01/21 17Z,   0.20,  10.95,  10.77,  99.90,  -0.38,
01/21 18Z,   0.10,   9.34,   9.44,  99.90,  -0.00,
01/21 19Z,   0.10,   7.65,   7.83,  99.90,   0.08,
01/21 20Z,   0.10,   6.40,   6.58,  99.90,   0.08,
01/21 21Z,   0.10,   5.99,   6.13,  99.90,   0.04,  (min)
01/21 22Z,   0.10,   6.45,   6.50,  99.90,  -0.05,
01/21 23Z,   0.10,   7.45,   7.35,  99.90,  -0.20,
01/22 00Z,   0.20,   8.61,   8.45,  99.90,  -0.36,
01/22 01Z,   0.20,   9.54,   9.51,  99.90,  -0.23,
01/22 02Z,   0.20,   9.87,   9.91,  99.90,  -0.16,  (max)
01/22 03Z,   0.20,   9.34,   9.33,  99.90,  -0.21,
01/22 04Z,   0.20,   7.92,   7.96,  99.90,  -0.16,
01/22 05Z,   0.20,   5.85,   5.89,  99.90,  -0.16,
01/22 06Z,   0.30,   3.49,   3.37,  99.90,  -0.42,
01/22 07Z,   0.30,   1.33,   1.11,  99.90,  -0.52,
01/22 08Z,   0.30,  -0.07,  -0.21,  99.90,  -0.44,  (min)
01/22 09Z,   0.30,  -0.17,  -0.19,  99.90,  -0.32,
01/22 10Z,   0.30,   1.13,   1.14,  99.90,  -0.29,
01/22 11Z,   0.30,   3.49,   3.36,  99.90,  -0.43,
01/22 12Z,   0.30,   6.31,   6.15,  99.90,  -0.46,
01/22 13Z,   0.30,   9.05,   8.87,  99.90,  -0.48,
01/22 14Z,   0.30,  11.20,  10.84,  99.90,  -0.66,
01/22 15Z,   0.30,  12.39,  11.87,  99.90,  -0.82,
01/22 16Z,   0.30,  12.46,  12.03,  99.90,  -0.73,  (max)
01/22 17Z,   0.30,  11.56,  11.30,  99.90,  -0.56,
01/22 18Z,   0.20,   9.97,  10.06,  99.90,  -0.11,
01/22 19Z,   0.20,   8.05,   8.31,  99.90,   0.06,
01/22 20Z,   0.20,   6.28,   6.55,  99.90,   0.07,
01/22 21Z,   0.20,   5.18,   5.42,  99.90,   0.04,
01/22 22Z,   0.20,   5.07,   5.16,  99.90,  -0.11,  (min)
01/22 23Z,   0.20,   5.82,   5.80,  99.90,  -0.22,
01/23 00Z,   0.30,   7.05,   6.85,  99.90,  -0.50,
01/23 01Z,   0.30,   8.32,   8.05,  99.90,  -0.57,
01/23 02Z,   0.30,   9.24,   9.07,  99.90,  -0.47,
01/23 03Z,   0.30,   9.50,   9.37,  99.90,  -0.43,  (max)
01/23 04Z,   0.30,   8.89,   8.72,  99.90,  -0.47,
01/23 05Z,   0.30,   7.47,   7.40,  99.90,  -0.37,
01/23 06Z,   0.30,   5.55,   5.47,  99.90,  -0.38,
01/23 07Z,   0.30,   3.50,   3.25,  99.90,  -0.55,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 08Z,   0.30,   1.79,  99.90,   1.56,  -0.53,
01/23 09Z,   0.30,   0.93,  99.90,   0.73,  -0.50,  (min)
01/23 10Z,   0.30,   1.34,  99.90,   1.16,  -0.48,
01/23 11Z,   0.30,   2.97,  99.90,   2.81,  -0.46,
01/23 12Z,   0.30,   5.40,  99.90,   5.26,  -0.43,
01/23 13Z,   0.30,   8.04,  99.90,   7.93,  -0.41,
01/23 14Z,   0.30,  10.40,  99.90,  10.31,  -0.39,
01/23 15Z,   0.30,  12.03,  99.90,  11.97,  -0.36,
01/23 16Z,   0.30,  12.63,  99.90,  12.59,  -0.34,  (max)
01/23 17Z,   0.30,  12.12,  99.90,  12.10,  -0.32,
01/23 18Z,   0.20,  10.70,  99.90,  10.61,  -0.29,
01/23 19Z,   0.20,   8.73,  99.90,   8.66,  -0.27,
01/23 20Z,   0.20,   6.61,  99.90,   6.54,  -0.27,
01/23 21Z,   0.20,   4.85,  99.90,   4.78,  -0.27,
01/23 22Z,   0.20,   3.94,  99.90,   3.87,  -0.27,  (min)
01/23 23Z,   0.20,   4.09,  99.90,   4.02,  -0.27,
01/24 00Z,   0.20,   5.09,  99.90,   5.02,  -0.27,
01/24 01Z,   0.20,   6.48,  99.90,   6.41,  -0.27,
01/24 02Z,   0.20,   7.84,  99.90,   7.77,  -0.27,
01/24 03Z,   0.20,   8.81,  99.90,   8.74,  -0.27,
01/24 04Z,   0.20,   9.08,  99.90,   9.01,  -0.27,  (max)
01/24 05Z,   0.20,   8.53,  99.90,   8.46,  -0.27,
01/24 06Z,   0.20,   7.29,  99.90,   7.22,  -0.27,
01/24 07Z,   0.20,   5.69,  99.90,   5.62,  -0.27,
01/24 08Z,   0.10,   4.08,  99.90,   3.91,  -0.27,
01/24 09Z,   0.20,   2.87,  99.90,   2.80,  -0.27,
01/24 10Z,   0.10,   2.51,  99.90,   2.34,  -0.27,  (min)
01/24 11Z,   0.10,   3.25,  99.90,   3.08,  -0.27,
01/24 12Z,   0.10,   4.98,  99.90,   4.81,  -0.27,
01/24 13Z,   0.10,   7.24,  99.90,   7.07,  -0.27,
01/24 14Z,   0.10,   9.52,  99.90,   9.35,  -0.27,
01/24 15Z,   0.10,  11.37,  99.90,  11.20,  -0.27,
01/24 16Z,   0.10,  12.43,  99.90,  12.26,  -0.27,
01/24 17Z,   0.10,  12.45,  99.90,  12.28,  -0.27,  (max)
01/24 18Z,   0.10,  11.43,  99.90,  11.26,  -0.27,
01/24 19Z,   0.10,   9.61,  99.90,   9.44,  -0.27,
01/24 20Z,   0.10,   7.39,  99.90,   7.22,  -0.27,
01/24 21Z,   0.10,   5.17,  99.90,   5.00,  -0.27,
01/24 22Z,   0.20,   3.47,  99.90,   3.40,  -0.27,
01/24 23Z,   0.20,   2.74,  99.90,   2.67,  -0.27,  (min)
01/25 00Z,   0.20,   3.10,  99.90,   3.03,  -0.27,
01/25 01Z,   0.20,   4.26,  99.90,   4.19,  -0.27,
01/25 02Z,   0.20,   5.78,  99.90,   5.71,  -0.27,
01/25 03Z,   0.20,   7.24,  99.90,   7.17,  -0.27,
01/25 04Z,   0.20,   8.31,  99.90,   8.24,  -0.27,
01/25 05Z,   0.20,   8.72,  99.90,   8.65,  -0.27,  (max)
01/25 06Z,   0.20,   8.38,  99.90,   8.31,  -0.27,
01/25 07Z,   0.20,   7.48,  99.90,   7.41,  -0.27,
01/25 08Z,   0.20,   6.32,  99.90,   6.25,  -0.27,
01/25 09Z,   0.20,   5.20,  99.90,   5.13,  -0.27,
01/25 10Z,   0.20,   4.44,  99.90,   4.37,  -0.27,
01/25 11Z,   0.20,   4.41,  99.90,   4.34,  -0.27,  (min)
01/25 12Z,   0.30,   5.28,  99.90,   5.31,  -0.27,
01/25 13Z,   0.30,   6.87,  99.90,   6.90,  -0.27,
01/25 14Z,   0.30,   8.77,  99.90,   8.80,  -0.27,
01/25 15Z,   0.30,  10.55,  99.90,  10.58,  -0.27,
01/25 16Z,   0.30,  11.87,  99.90,  11.90,  -0.27,
01/25 17Z,   0.30,  12.41,  99.90,  12.44,  -0.27,  (max)
01/25 18Z,   0.30,  11.96,  99.90,  11.99,  -0.27,
01/25 19Z,   0.30,  10.55,  99.90,  10.58,  -0.27,
01/25 20Z,   0.30,   8.48,  99.90,   8.51,  -0.27,
01/25 21Z,   0.30,   6.11,  99.90,   6.14,  -0.27,
01/25 22Z,   0.30,   3.87,  99.90,   3.90,  -0.27,
01/25 23Z,   0.30,   2.23,  99.90,   2.26,  -0.27,
01/26 00Z,   0.30,   1.62,  99.90,   1.65,  -0.27,  (min)
01/26 01Z,   0.30,   2.10,  99.90,   2.13,  -0.27,
01/26 02Z,   0.30,   3.36,  99.90,   3.39,  -0.27,
01/26 03Z,   0.30,   4.99,  99.90,   5.02,  -0.27,
01/26 04Z,   0.30,   6.60,  99.90,   6.63,  -0.27,
01/26 05Z,   0.30,   7.86,  99.90,   7.89,  -0.27,
01/26 06Z,   0.30,   8.51,  99.90,   8.54,  -0.27,
01/26 07Z,   0.30,   8.52,  99.90,   8.55,  -0.27,  (max)
01/26 08Z,   0.30,   8.05,  99.90,   8.08,  -0.27,
01/26 09Z,   0.30,   7.37,  99.90,   7.40,  -0.27,
01/26 10Z,   0.30,   6.68,  99.90,   6.71,  -0.27,
01/26 11Z,   0.30,   6.23,  99.90,   6.26,  -0.27,  (min)
01/26 12Z,   0.30,   6.32,  99.90,   6.35,  -0.27,
01/26 13Z,   0.30,   7.07,  99.90,   7.10,  -0.27,
01/26 14Z,   0.30,   8.34,  99.90,   8.37,  -0.27,
01/26 15Z,   0.30,   9.78,  99.90,   9.81,  -0.27,
01/26 16Z,   0.30,  11.08,  99.90,  11.11,  -0.27,
01/26 17Z,   0.30,  11.95,  99.90,  11.98,  -0.27,
01/26 18Z,   0.30,  12.09,  99.90,  12.12,  -0.27,  (max)
01/26 19Z,   0.30,  11.32,  99.90,  11.35,  -0.27,
01/26 20Z,   0.30,   9.70,  99.90,   9.73,  -0.27,
01/26 21Z,   0.30,   7.50,  99.90,   7.53,  -0.27,
01/26 22Z,   0.30,   5.06,  99.90,   5.09,  -0.27,
01/26 23Z,   0.30,   2.79,  99.90,   2.82,  -0.27,
01/27 00Z,   0.30,   1.17,  99.90,   1.20,  -0.27,