EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
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
#Seattle, WA : 01/21/2026 15:21:47 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/20 00Z,   0.10,  10.15,  10.14,  99.90,  -0.11,
01/20 01Z,   0.10,  10.05,  10.09,  99.90,  -0.06,  (max)
01/20 02Z,   0.10,   9.04,   9.11,  99.90,  -0.03,
01/20 03Z,   0.10,   7.20,   7.28,  99.90,  -0.02,
01/20 04Z,   0.10,   4.77,   4.80,  99.90,  -0.07,
01/20 05Z,   0.10,   2.13,   1.98,  99.90,  -0.25,
01/20 06Z,   0.20,  -0.13,  -0.29,  99.90,  -0.36,
01/20 07Z,   0.20,  -1.36,  -1.49,  99.90,  -0.33,  (min)
01/20 08Z,   0.20,  -1.15,  -1.19,  99.90,  -0.24,
01/20 09Z,   0.20,   0.44,   0.40,  99.90,  -0.24,
01/20 10Z,   0.20,   2.98,   2.83,  99.90,  -0.35,
01/20 11Z,   0.20,   5.90,   5.78,  99.90,  -0.32,
01/20 12Z,   0.10,   8.68,   8.51,  99.90,  -0.27,
01/20 13Z,   0.10,  10.82,  10.46,  99.90,  -0.46,
01/20 14Z,   0.10,  12.01,  11.53,  99.90,  -0.58,
01/20 15Z,   0.10,  12.23,  11.79,  99.90,  -0.54,  (max)
01/20 16Z,   0.10,  11.62,  11.23,  99.90,  -0.49,
01/20 17Z,   0.10,  10.40,  10.29,  99.90,  -0.21,
01/20 18Z,   0.10,   8.88,   8.99,  99.90,   0.01,
01/20 19Z,   0.10,   7.55,   7.63,  99.90,  -0.02,
01/20 20Z,   0.10,   6.87,   6.86,  99.90,  -0.11,  (min)
01/20 21Z,   0.10,   6.99,   6.91,  99.90,  -0.18,
01/20 22Z,   0.10,   7.72,   7.62,  99.90,  -0.20,
01/20 23Z,   0.00,   8.72,   8.59,  99.90,  -0.13,
01/21 00Z,   0.10,   9.65,   9.57,  99.90,  -0.18,
01/21 01Z,   0.10,  10.11,  10.15,  99.90,  -0.06,  (max)
01/21 02Z,   0.10,   9.76,   9.78,  99.90,  -0.08,
01/21 03Z,   0.10,   8.49,   8.50,  99.90,  -0.09,
01/21 04Z,   0.10,   6.46,   6.47,  99.90,  -0.09,
01/21 05Z,   0.10,   3.98,   3.90,  99.90,  -0.18,
01/21 06Z,   0.20,   1.49,   1.24,  99.90,  -0.45,
01/21 07Z,   0.20,  -0.40,  -0.63,  99.90,  -0.43,
01/21 08Z,   0.20,  -1.08,  -1.19,  99.90,  -0.31,  (min)
01/21 09Z,   0.20,  -0.28,  -0.27,  99.90,  -0.19,
01/21 10Z,   0.20,   1.77,   1.68,  99.90,  -0.29,
01/21 11Z,   0.20,   4.55,   4.39,  99.90,  -0.36,
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)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 16Z,   0.20,  12.08,  99.90,  11.58,  -0.70,
01/21 17Z,   0.20,  10.95,  99.90,  10.50,  -0.65,
01/21 18Z,   0.20,   9.34,  99.90,   8.93,  -0.61,
01/21 19Z,   0.20,   7.65,  99.90,   7.28,  -0.57,
01/21 20Z,   0.20,   6.40,  99.90,   6.08,  -0.53,
01/21 21Z,   0.20,   5.99,  99.90,   5.71,  -0.48,  (min)
01/21 22Z,   0.30,   6.45,  99.90,   6.31,  -0.44,
01/21 23Z,   0.30,   7.45,  99.90,   7.36,  -0.40,
01/22 00Z,   0.30,   8.61,  99.90,   8.56,  -0.36,
01/22 01Z,   0.30,   9.54,  99.90,   9.53,  -0.31,
01/22 02Z,   0.30,   9.87,  99.90,   9.90,  -0.27,  (max)
01/22 03Z,   0.30,   9.34,  99.90,   9.41,  -0.23,
01/22 04Z,   0.30,   7.92,  99.90,   7.99,  -0.23,
01/22 05Z,   0.30,   5.85,  99.90,   5.92,  -0.23,
01/22 06Z,   0.30,   3.49,  99.90,   3.57,  -0.23,
01/22 07Z,   0.30,   1.33,  99.90,   1.40,  -0.23,
01/22 08Z,   0.30,  -0.07,  99.90,   0.01,  -0.23,
01/22 09Z,   0.30,  -0.17,  99.90,  -0.10,  -0.23,  (min)
01/22 10Z,   0.30,   1.13,  99.90,   1.20,  -0.23,
01/22 11Z,   0.30,   3.49,  99.90,   3.56,  -0.23,
01/22 12Z,   0.30,   6.31,  99.90,   6.38,  -0.23,
01/22 13Z,   0.30,   9.05,  99.90,   9.12,  -0.23,
01/22 14Z,   0.30,  11.20,  99.90,  11.27,  -0.23,
01/22 15Z,   0.30,  12.39,  99.90,  12.46,  -0.23,
01/22 16Z,   0.30,  12.46,  99.90,  12.54,  -0.23,  (max)
01/22 17Z,   0.30,  11.56,  99.90,  11.63,  -0.23,
01/22 18Z,   0.30,   9.97,  99.90,  10.04,  -0.23,
01/22 19Z,   0.30,   8.05,  99.90,   8.12,  -0.23,
01/22 20Z,   0.30,   6.28,  99.90,   6.35,  -0.23,
01/22 21Z,   0.30,   5.18,  99.90,   5.25,  -0.23,
01/22 22Z,   0.30,   5.07,  99.90,   5.14,  -0.23,  (min)
01/22 23Z,   0.30,   5.82,  99.90,   5.89,  -0.23,
01/23 00Z,   0.30,   7.05,  99.90,   7.12,  -0.23,
01/23 01Z,   0.30,   8.32,  99.90,   8.39,  -0.23,
01/23 02Z,   0.30,   9.24,  99.90,   9.31,  -0.23,
01/23 03Z,   0.30,   9.50,  99.90,   9.57,  -0.23,  (max)
01/23 04Z,   0.30,   8.89,  99.90,   8.96,  -0.23,
01/23 05Z,   0.30,   7.47,  99.90,   7.54,  -0.23,
01/23 06Z,   0.30,   5.55,  99.90,   5.62,  -0.23,
01/23 07Z,   0.30,   3.50,  99.90,   3.57,  -0.23,
01/23 08Z,   0.30,   1.79,  99.90,   1.86,  -0.23,
01/23 09Z,   0.30,   0.93,  99.90,   1.01,  -0.23,  (min)
01/23 10Z,   0.30,   1.34,  99.90,   1.41,  -0.23,
01/23 11Z,   0.30,   2.97,  99.90,   3.04,  -0.23,
01/23 12Z,   0.30,   5.40,  99.90,   5.47,  -0.23,
01/23 13Z,   0.30,   8.04,  99.90,   8.11,  -0.23,
01/23 14Z,   0.30,  10.40,  99.90,  10.47,  -0.23,
01/23 15Z,   0.30,  12.03,  99.90,  12.10,  -0.23,
01/23 16Z,   0.30,  12.63,  99.90,  12.70,  -0.23,  (max)
01/23 17Z,   0.30,  12.12,  99.90,  12.19,  -0.23,
01/23 18Z,   0.30,  10.70,  99.90,  10.77,  -0.23,
01/23 19Z,   0.30,   8.73,  99.90,   8.80,  -0.23,
01/23 20Z,   0.30,   6.61,  99.90,   6.69,  -0.23,
01/23 21Z,   0.30,   4.85,  99.90,   4.93,  -0.23,
01/23 22Z,   0.30,   3.94,  99.90,   4.02,  -0.23,  (min)
01/23 23Z,   0.20,   4.09,  99.90,   4.06,  -0.23,
01/24 00Z,   0.20,   5.09,  99.90,   5.06,  -0.23,
01/24 01Z,   0.20,   6.48,  99.90,   6.46,  -0.23,
01/24 02Z,   0.20,   7.84,  99.90,   7.81,  -0.23,
01/24 03Z,   0.20,   8.81,  99.90,   8.78,  -0.23,
01/24 04Z,   0.20,   9.08,  99.90,   9.05,  -0.23,  (max)
01/24 05Z,   0.20,   8.53,  99.90,   8.50,  -0.23,
01/24 06Z,   0.20,   7.29,  99.90,   7.27,  -0.23,
01/24 07Z,   0.20,   5.69,  99.90,   5.66,  -0.23,
01/24 08Z,   0.20,   4.08,  99.90,   4.05,  -0.23,
01/24 09Z,   0.20,   2.87,  99.90,   2.84,  -0.23,
01/24 10Z,   0.20,   2.51,  99.90,   2.48,  -0.23,  (min)
01/24 11Z,   0.20,   3.25,  99.90,   3.22,  -0.23,
01/24 12Z,   0.20,   4.98,  99.90,   4.96,  -0.23,
01/24 13Z,   0.20,   7.24,  99.90,   7.22,  -0.23,
01/24 14Z,   0.20,   9.52,  99.90,   9.49,  -0.23,
01/24 15Z,   0.20,  11.37,  99.90,  11.34,  -0.23,
01/24 16Z,   0.20,  12.43,  99.90,  12.41,  -0.23,
01/24 17Z,   0.20,  12.45,  99.90,  12.42,  -0.23,  (max)
01/24 18Z,   0.20,  11.43,  99.90,  11.40,  -0.23,
01/24 19Z,   0.20,   9.61,  99.90,   9.59,  -0.23,
01/24 20Z,   0.20,   7.39,  99.90,   7.36,  -0.23,
01/24 21Z,   0.20,   5.17,  99.90,   5.14,  -0.23,
01/24 22Z,   0.20,   3.47,  99.90,   3.45,  -0.23,
01/24 23Z,   0.20,   2.74,  99.90,   2.71,  -0.23,  (min)
01/25 00Z,   0.20,   3.10,  99.90,   3.07,  -0.23,
01/25 01Z,   0.20,   4.26,  99.90,   4.23,  -0.23,
01/25 02Z,   0.20,   5.78,  99.90,   5.75,  -0.23,
01/25 03Z,   0.20,   7.24,  99.90,   7.22,  -0.23,
01/25 04Z,   0.20,   8.31,  99.90,   8.28,  -0.23,
01/25 05Z,   0.20,   8.72,  99.90,   8.69,  -0.23,  (max)
01/25 06Z,   0.20,   8.38,  99.90,   8.35,  -0.23,
01/25 07Z,  99.90,   7.48,  99.90,  99.90,  -0.23,
01/25 08Z,  99.90,   6.32,  99.90,  99.90,  -0.23,
01/25 09Z,  99.90,   5.20,  99.90,  99.90,  -0.23,
01/25 10Z,  99.90,   4.44,  99.90,  99.90,  -0.23,
01/25 11Z,  99.90,   4.41,  99.90,  99.90,  -0.23,
01/25 12Z,  99.90,   5.28,  99.90,  99.90,  -0.23,