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 : 12/15/2025 15:22:24 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/14 00Z,   0.50,   5.96,   5.97,  99.90,  -0.49,
12/14 01Z,   0.50,   4.07,   4.02,  99.90,  -0.55,
12/14 02Z,   0.50,   2.79,   2.72,  99.90,  -0.57,
12/14 03Z,   0.50,   2.28,   2.27,  99.90,  -0.51,  (min)
12/14 04Z,   0.50,   2.58,   2.81,  99.90,  -0.27,
12/14 05Z,   0.50,   3.59,   3.82,  99.90,  -0.27,
12/14 06Z,   0.40,   5.02,   5.27,  99.90,  -0.15,
12/14 07Z,   0.40,   6.44,   6.91,  99.90,   0.07,
12/14 08Z,   0.40,   7.51,   8.10,  99.90,   0.19,
12/14 09Z,   0.40,   8.10,   8.87,  99.90,   0.37,
12/14 10Z,   0.40,   8.20,   9.01,  99.90,   0.41,  (max)
12/14 11Z,   0.50,   7.85,   8.78,  99.90,   0.43,
12/14 12Z,   0.50,   7.16,   8.35,  99.90,   0.69,
12/14 13Z,   0.50,   6.46,   7.81,  99.90,   0.85,
12/14 14Z,   0.50,   6.10,   7.26,  99.90,   0.66,
12/14 15Z,   0.50,   6.25,   7.23,  99.90,   0.48,  (min)
12/14 16Z,   0.50,   6.94,   7.73,  99.90,   0.29,
12/14 17Z,   0.40,   8.06,   8.67,  99.90,   0.21,
12/14 18Z,   0.60,   9.41,   9.72,  99.90,  -0.29,
12/14 19Z,   0.60,  10.62,  10.62,  99.90,  -0.60,
12/14 20Z,   0.60,  11.27,  11.14,  99.90,  -0.73,  (max)
12/14 21Z,   0.60,  11.18,  11.05,  99.90,  -0.73,
12/14 22Z,   0.60,  10.33,  10.21,  99.90,  -0.72,
12/14 23Z,   0.60,   8.79,   8.78,  99.90,  -0.61,
12/15 00Z,   0.70,   6.72,   6.75,  99.90,  -0.67,
12/15 01Z,   0.70,   4.49,   4.61,  99.90,  -0.58,
12/15 02Z,   0.70,   2.60,   2.78,  99.90,  -0.52,
12/15 03Z,   0.70,   1.45,   1.68,  99.90,  -0.47,
12/15 04Z,   0.80,   1.20,   1.66,  99.90,  -0.34,  (min)
12/15 05Z,   0.80,   1.85,   2.43,  99.90,  -0.22,
12/15 06Z,   0.60,   3.25,   3.83,  99.90,  -0.02,
12/15 07Z,   0.60,   5.05,   5.66,  99.90,   0.01,
12/15 08Z,   0.70,   6.78,   7.55,  99.90,   0.07,
12/15 09Z,   0.70,   8.14,   8.99,  99.90,   0.15,
12/15 10Z,   0.70,   8.98,   9.87,  99.90,   0.19,
12/15 11Z,   0.70,   9.30,  10.21,  99.90,   0.21,  (max)
12/15 12Z,   0.70,   9.09,  10.10,  99.90,   0.31,
12/15 13Z,   0.70,   8.46,   9.84,  99.90,   0.68,
12/15 14Z,   0.80,   7.74,   9.27,  99.90,   0.73,
12/15 15Z,   0.80,   7.28,   8.78,  99.90,   0.70,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 16Z,   0.90,   7.28,  99.90,   8.81,   0.64,
12/15 17Z,   0.90,   7.77,  99.90,   9.24,   0.57,
12/15 18Z,   0.90,   8.69,  99.90,  10.10,   0.51,
12/15 19Z,   1.00,   9.81,  99.90,  11.26,   0.45,
12/15 20Z,   1.00,  10.72,  99.90,  12.11,   0.39,
12/15 21Z,   1.00,  11.03,  99.90,  12.36,   0.33,  (max)
12/15 22Z,   1.00,  10.58,  99.90,  11.85,   0.27,
12/15 23Z,   1.10,   9.38,  99.90,  10.69,   0.21,
12/16 00Z,   1.10,   7.53,  99.90,   8.78,   0.15,
12/16 01Z,   1.10,   5.24,  99.90,   6.42,   0.09,
12/16 02Z,   1.20,   2.94,  99.90,   4.17,   0.03,
12/16 03Z,   1.20,   1.18,  99.90,   2.34,  -0.03,
12/16 04Z,   1.20,   0.32,  99.90,   1.49,  -0.03,  (min)
12/16 05Z,   1.20,   0.50,  99.90,   1.66,  -0.03,
12/16 06Z,   1.20,   1.62,  99.90,   2.79,  -0.03,
12/16 07Z,   1.20,   3.47,  99.90,   4.64,  -0.03,
12/16 08Z,   1.10,   5.61,  99.90,   6.68,  -0.03,
12/16 09Z,   1.00,   7.57,  99.90,   8.54,  -0.03,
12/16 10Z,   1.00,   9.07,  99.90,  10.04,  -0.03,
12/16 11Z,   0.90,  10.01,  99.90,  10.88,  -0.03,
12/16 12Z,   0.80,  10.36,  99.90,  11.13,  -0.03,  (max)
12/16 13Z,   0.80,  10.12,  99.90,  10.88,  -0.03,
12/16 14Z,   0.70,   9.42,  99.90,  10.08,  -0.03,
12/16 15Z,   0.70,   8.61,  99.90,   9.28,  -0.03,
12/16 16Z,   0.70,   8.06,  99.90,   8.73,  -0.03,
12/16 17Z,   0.70,   7.96,  99.90,   8.62,  -0.03,  (min)
12/16 18Z,   0.70,   8.34,  99.90,   9.01,  -0.03,
12/16 19Z,   0.70,   9.13,  99.90,   9.80,  -0.03,
12/16 20Z,   0.70,  10.05,  99.90,  10.72,  -0.03,
12/16 21Z,   0.70,  10.67,  99.90,  11.34,  -0.03,  (max)
12/16 22Z,   0.70,  10.63,  99.90,  11.30,  -0.03,
12/16 23Z,   0.70,   9.81,  99.90,  10.48,  -0.03,
12/17 00Z,   0.70,   8.26,  99.90,   8.93,  -0.03,
12/17 01Z,   0.70,   6.12,  99.90,   6.79,  -0.03,
12/17 02Z,   0.70,   3.68,  99.90,   4.35,  -0.03,
12/17 03Z,   0.70,   1.44,  99.90,   2.11,  -0.03,
12/17 04Z,   0.80,  -0.03,  99.90,   0.74,  -0.03,
12/17 05Z,   0.80,  -0.42,  99.90,   0.35,  -0.03,  (min)
12/17 06Z,   0.90,   0.30,  99.90,   1.16,  -0.03,
12/17 07Z,   0.90,   1.95,  99.90,   2.82,  -0.03,
12/17 08Z,   1.00,   4.20,  99.90,   5.17,  -0.03,
12/17 09Z,   1.00,   6.58,  99.90,   7.55,  -0.03,
12/17 10Z,   1.20,   8.63,  99.90,   9.80,  -0.03,
12/17 11Z,   1.40,  10.11,  99.90,  11.47,  -0.03,
12/17 12Z,   1.40,  10.96,  99.90,  12.33,  -0.03,
12/17 13Z,   1.50,  11.18,  99.90,  12.65,  -0.03,  (max)
12/17 14Z,   1.60,  10.77,  99.90,  12.34,  -0.03,
12/17 15Z,   1.60,   9.93,  99.90,  11.50,  -0.03,
12/17 16Z,   1.60,   9.05,  99.90,  10.61,  -0.03,
12/17 17Z,   1.60,   8.47,  99.90,  10.03,  -0.03,
12/17 18Z,   1.50,   8.35,  99.90,   9.82,  -0.03,  (min)
12/17 19Z,   1.50,   8.72,  99.90,  10.19,  -0.03,
12/17 20Z,   1.40,   9.43,  99.90,  10.79,  -0.03,
12/17 21Z,   1.40,  10.16,  99.90,  11.53,  -0.03,
12/17 22Z,   1.30,  10.50,  99.90,  11.76,  -0.03,  (max)
12/17 23Z,   1.20,  10.10,  99.90,  11.27,  -0.03,
12/18 00Z,   1.10,   8.92,  99.90,   9.98,  -0.03,
12/18 01Z,   1.10,   7.04,  99.90,   8.11,  -0.03,
12/18 02Z,   1.00,   4.67,  99.90,   5.64,  -0.03,
12/18 03Z,   1.00,   2.19,  99.90,   3.16,  -0.03,
12/18 04Z,   0.90,   0.16,  99.90,   1.03,  -0.03,
12/18 05Z,   0.90,  -0.88,  99.90,  -0.01,  -0.03,  (min)
12/18 06Z,   0.80,  -0.70,  99.90,   0.07,  -0.03,
12/18 07Z,   0.70,   0.60,  99.90,   1.27,  -0.03,
12/18 08Z,   0.70,   2.74,  99.90,   3.41,  -0.03,
12/18 09Z,   0.60,   5.29,  99.90,   5.86,  -0.03,
12/18 10Z,   0.60,   7.76,  99.90,   8.33,  -0.03,
12/18 11Z,   0.50,   9.73,  99.90,  10.20,  -0.03,
12/18 12Z,   0.50,  11.03,  99.90,  11.50,  -0.03,
12/18 13Z,   0.50,  11.66,  99.90,  12.13,  -0.03,  (max)
12/18 14Z,   0.50,  11.63,  99.90,  12.10,  -0.03,
12/18 15Z,   0.50,  11.00,  99.90,  11.46,  -0.03,
12/18 16Z,   0.50,  10.02,  99.90,  10.49,  -0.03,
12/18 17Z,   0.50,   9.12,  99.90,   9.59,  -0.03,
12/18 18Z,   0.50,   8.60,  99.90,   9.07,  -0.03,
12/18 19Z,   0.50,   8.57,  99.90,   9.04,  -0.03,  (min)
12/18 20Z,   0.50,   8.97,  99.90,   9.44,  -0.03,
12/18 21Z,   0.60,   9.63,  99.90,  10.20,  -0.03,
12/18 22Z,   0.60,  10.18,  99.90,  10.75,  -0.03,
12/18 23Z,   0.60,  10.21,  99.90,  10.78,  -0.03,  (max)
12/19 00Z,   0.70,   9.47,  99.90,  10.14,  -0.03,
12/19 01Z,   0.80,   7.95,  99.90,   8.71,  -0.03,
12/19 02Z,   0.90,   5.80,  99.90,   6.66,  -0.03,
12/19 03Z,   1.00,   3.29,  99.90,   4.25,  -0.03,
12/19 04Z,   1.00,   0.88,  99.90,   1.85,  -0.03,
12/19 05Z,   1.10,  -0.81,  99.90,   0.25,  -0.03,
12/19 06Z,   1.20,  -1.32,  99.90,  -0.15,  -0.03,
12/19 07Z,  99.90,  -0.53,  99.90,  99.90,  -0.03,
12/19 08Z,  99.90,   1.32,  99.90,  99.90,  -0.03,
12/19 09Z,  99.90,   3.83,  99.90,  99.90,  -0.03,
12/19 10Z,  99.90,   6.54,  99.90,  99.90,  -0.03,
12/19 11Z,  99.90,   8.94,  99.90,  99.90,  -0.03,
12/19 12Z,  99.90,  10.69,  99.90,  99.90,  -0.03,