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 : 03/08/2026 03:21:41 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/06 12Z,   0.10,   8.86,   8.65,  99.90,  -0.31,
03/06 13Z,   0.10,  10.69,  10.50,  99.90,  -0.29,
03/06 14Z,   0.10,  11.66,  11.52,  99.90,  -0.24,  (max)
03/06 15Z,   0.10,  11.55,  11.31,  99.90,  -0.34,
03/06 16Z,   0.10,  10.39,  10.23,  99.90,  -0.26,
03/06 17Z,   0.10,   8.44,   8.45,  99.90,  -0.09,
03/06 18Z,   0.00,   6.01,   6.04,  99.90,   0.03,
03/06 19Z,   0.00,   3.64,   3.61,  99.90,  -0.03,
03/06 20Z,   0.00,   1.96,   1.97,  99.90,   0.01,
03/06 21Z,   0.00,   1.46,   1.44,  99.90,  -0.02,  (min)
03/06 22Z,   0.00,   2.18,   2.25,  99.90,   0.07,
03/06 23Z,   0.00,   3.83,   3.83,  99.90,   0.00,
03/07 00Z,   0.00,   5.94,   5.82,  99.90,  -0.12,
03/07 01Z,   0.00,   8.00,   7.88,  99.90,  -0.12,
03/07 02Z,   0.00,   9.50,   9.37,  99.90,  -0.13,
03/07 03Z,   0.00,  10.11,   9.94,  99.90,  -0.17,  (max)
03/07 04Z,   0.00,   9.81,   9.64,  99.90,  -0.17,
03/07 05Z,   0.00,   8.79,   8.78,  99.90,  -0.01,
03/07 06Z,   0.10,   7.31,   7.40,  99.90,  -0.01,
03/07 07Z,   0.10,   5.74,   5.69,  99.90,  -0.15,
03/07 08Z,   0.10,   4.56,   4.43,  99.90,  -0.23,
03/07 09Z,   0.10,   4.23,   4.05,  99.90,  -0.28,  (min)
03/07 10Z,   0.10,   4.89,   4.76,  99.90,  -0.23,
03/07 11Z,   0.10,   6.30,   6.12,  99.90,  -0.28,
03/07 12Z,   0.10,   8.10,   7.84,  99.90,  -0.36,
03/07 13Z,   0.10,   9.84,   9.63,  99.90,  -0.31,
03/07 14Z,   0.10,  11.07,  10.90,  99.90,  -0.27,
03/07 15Z,   0.10,  11.41,  11.24,  99.90,  -0.27,  (max)
03/07 16Z,   0.10,  10.71,  10.57,  99.90,  -0.24,
03/07 17Z,   0.10,   9.11,   9.11,  99.90,  -0.10,
03/07 18Z,   0.10,   6.90,   6.96,  99.90,  -0.04,
03/07 19Z,   0.10,   4.48,   4.54,  99.90,  -0.04,
03/07 20Z,   0.10,   2.37,   2.43,  99.90,  -0.04,
03/07 21Z,   0.10,   1.16,   1.26,  99.90,   0.00,  (min)
03/07 22Z,   0.10,   1.17,   1.34,  99.90,   0.07,
03/07 23Z,   0.10,   2.29,   2.44,  99.90,   0.05,
03/08 00Z,   0.10,   4.14,   4.12,  99.90,  -0.12,
03/08 01Z,   0.10,   6.27,   6.16,  99.90,  -0.21,
03/08 02Z,   0.10,   8.19,   8.07,  99.90,  -0.22,
03/08 03Z,   0.10,   9.49,   9.38,  99.90,  -0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/08 04Z,   0.10,   9.94,  99.90,   9.83,  -0.21,  (max)
03/08 05Z,   0.10,   9.60,  99.90,   9.50,  -0.20,
03/08 06Z,   0.20,   8.71,  99.90,   8.71,  -0.20,
03/08 07Z,   0.20,   7.53,  99.90,   7.53,  -0.20,
03/08 08Z,   0.20,   6.37,  99.90,   6.37,  -0.19,
03/08 09Z,   0.20,   5.64,  99.90,   5.65,  -0.19,  (min)
03/08 10Z,   0.20,   5.65,  99.90,   5.66,  -0.19,
03/08 11Z,   0.20,   6.40,  99.90,   6.42,  -0.19,
03/08 12Z,   0.20,   7.64,  99.90,   7.66,  -0.18,
03/08 13Z,   0.30,   9.04,  99.90,   9.16,  -0.18,
03/08 14Z,   0.30,  10.25,  99.90,  10.38,  -0.18,
03/08 15Z,   0.30,  10.91,  99.90,  11.04,  -0.17,  (max)
03/08 16Z,   0.30,  10.72,  99.90,  10.84,  -0.17,
03/08 17Z,   0.40,   9.61,  99.90,   9.83,  -0.17,
03/08 18Z,   0.40,   7.78,  99.90,   8.00,  -0.17,
03/08 19Z,   0.50,   5.55,  99.90,   5.87,  -0.17,
03/08 20Z,   0.50,   3.31,  99.90,   3.64,  -0.17,
03/08 21Z,   0.50,   1.58,  99.90,   1.90,  -0.17,
03/08 22Z,   0.60,   0.83,  99.90,   1.26,  -0.17,  (min)
03/08 23Z,   0.60,   1.25,  99.90,   1.67,  -0.17,
03/09 00Z,   0.60,   2.61,  99.90,   3.04,  -0.17,
03/09 01Z,   0.60,   4.51,  99.90,   4.94,  -0.17,
03/09 02Z,   0.70,   6.53,  99.90,   7.05,  -0.17,
03/09 03Z,   0.70,   8.26,  99.90,   8.79,  -0.17,
03/09 04Z,   0.70,   9.37,  99.90,   9.90,  -0.17,
03/09 05Z,   0.70,   9.72,  99.90,  10.25,  -0.17,  (max)
03/09 06Z,   0.70,   9.44,  99.90,   9.97,  -0.17,
03/09 07Z,   0.70,   8.77,  99.90,   9.30,  -0.17,
03/09 08Z,   0.70,   7.93,  99.90,   8.45,  -0.17,
03/09 09Z,   0.70,   7.15,  99.90,   7.68,  -0.17,
03/09 10Z,   0.70,   6.75,  99.90,   7.27,  -0.17,  (min)
03/09 11Z,   0.60,   6.91,  99.90,   7.34,  -0.17,
03/09 12Z,   0.60,   7.57,  99.90,   8.00,  -0.17,
03/09 13Z,   0.60,   8.49,  99.90,   8.92,  -0.17,
03/09 14Z,   0.60,   9.43,  99.90,   9.86,  -0.17,
03/09 15Z,   0.60,  10.15,  99.90,  10.58,  -0.17,
03/09 16Z,   0.60,  10.35,  99.90,  10.78,  -0.17,  (max)
03/09 17Z,   0.60,   9.80,  99.90,  10.23,  -0.17,
03/09 18Z,   0.50,   8.50,  99.90,   8.82,  -0.17,
03/09 19Z,   0.50,   6.65,  99.90,   6.97,  -0.17,
03/09 20Z,   0.50,   4.56,  99.90,   4.89,  -0.17,
03/09 21Z,   0.50,   2.62,  99.90,   2.95,  -0.17,
03/09 22Z,   0.50,   1.27,  99.90,   1.59,  -0.17,
03/09 23Z,   0.40,   0.89,  99.90,   1.11,  -0.17,  (min)
03/10 00Z,   0.40,   1.54,  99.90,   1.77,  -0.17,
03/10 01Z,   0.40,   2.97,  99.90,   3.19,  -0.17,
03/10 02Z,   0.40,   4.77,  99.90,   5.00,  -0.17,
03/10 03Z,   0.50,   6.62,  99.90,   6.94,  -0.17,
03/10 04Z,   0.50,   8.17,  99.90,   8.50,  -0.17,
03/10 05Z,   0.50,   9.16,  99.90,   9.48,  -0.17,
03/10 06Z,   0.50,   9.51,  99.90,   9.84,  -0.17,  (max)
03/10 07Z,   0.40,   9.39,  99.90,   9.61,  -0.17,
03/10 08Z,   0.40,   8.99,  99.90,   9.21,  -0.17,
03/10 09Z,   0.40,   8.45,  99.90,   8.68,  -0.17,
03/10 10Z,   0.40,   7.96,  99.90,   8.19,  -0.17,
03/10 11Z,   0.30,   7.72,  99.90,   7.85,  -0.17,  (min)
03/10 12Z,   0.30,   7.86,  99.90,   7.99,  -0.17,
03/10 13Z,   0.30,   8.28,  99.90,   8.41,  -0.17,
03/10 14Z,   0.30,   8.82,  99.90,   8.94,  -0.17,
03/10 15Z,   0.30,   9.34,  99.90,   9.47,  -0.17,
03/10 16Z,   0.30,   9.69,  99.90,   9.82,  -0.17,  (max)
03/10 17Z,   0.30,   9.62,  99.90,   9.75,  -0.17,
03/10 18Z,   0.20,   8.92,  99.90,   8.95,  -0.17,
03/10 19Z,   0.20,   7.61,  99.90,   7.64,  -0.17,
03/10 20Z,   0.20,   5.90,  99.90,   5.93,  -0.17,
03/10 21Z,   0.20,   4.05,  99.90,   4.07,  -0.17,
03/10 22Z,   0.20,   2.38,  99.90,   2.41,  -0.17,
03/10 23Z,   0.20,   1.31,  99.90,   1.34,  -0.17,
03/11 00Z,   0.20,   1.13,  99.90,   1.16,  -0.17,  (min)
03/11 01Z,   0.20,   1.84,  99.90,   1.87,  -0.17,
03/11 02Z,   0.20,   3.18,  99.90,   3.21,  -0.17,
03/11 03Z,   0.20,   4.83,  99.90,   4.86,  -0.17,
03/11 04Z,   0.20,   6.52,  99.90,   6.55,  -0.17,
03/11 05Z,   0.20,   7.96,  99.90,   7.99,  -0.17,
03/11 06Z,   0.20,   8.93,  99.90,   8.96,  -0.17,
03/11 07Z,   0.20,   9.39,  99.90,   9.41,  -0.17,  (max)
03/11 08Z,   0.10,   9.47,  99.90,   9.40,  -0.17,
03/11 09Z,   0.10,   9.33,  99.90,   9.25,  -0.17,
03/11 10Z,   0.10,   9.02,  99.90,   8.95,  -0.17,
03/11 11Z,   0.10,   8.66,  99.90,   8.59,  -0.17,
03/11 12Z,   0.10,   8.42,  99.90,   8.34,  -0.17,
03/11 13Z,   0.10,   8.38,  99.90,   8.30,  -0.17,  (min)
03/11 14Z,   0.10,   8.49,  99.90,   8.42,  -0.17,
03/11 15Z,   0.20,   8.69,  99.90,   8.72,  -0.17,
03/11 16Z,   0.20,   8.94,  99.90,   8.96,  -0.17,
03/11 17Z,   0.20,   9.10,  99.90,   9.13,  -0.17,  (max)
03/11 18Z,   0.20,   8.95,  99.90,   8.98,  -0.17,
03/11 19Z,  99.90,   8.28,  99.90,  99.90,  -0.17,
03/11 20Z,  99.90,   7.10,  99.90,  99.90,  -0.17,
03/11 21Z,  99.90,   5.57,  99.90,  99.90,  -0.17,
03/11 22Z,  99.90,   3.92,  99.90,  99.90,  -0.17,
03/11 23Z,  99.90,   2.43,  99.90,  99.90,  -0.17,
03/12 00Z,  99.90,   1.48,  99.90,  99.90,  -0.17,