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 : 03/16/2026 02:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 06Z,   0.30,   4.44,   4.88,  99.90,   0.14,
03/14 07Z,   0.30,   6.31,   6.86,  99.90,   0.25,
03/14 08Z,   0.30,   8.03,   8.73,  99.90,   0.40,
03/14 09Z,   0.40,   9.33,  10.17,  99.90,   0.44,
03/14 10Z,   0.40,  10.14,  11.04,  99.90,   0.50,
03/14 11Z,   0.40,  10.47,  11.30,  99.90,   0.43,  (max)
03/14 12Z,   0.30,  10.31,  11.04,  99.90,   0.43,
03/14 13Z,   0.30,   9.68,  10.35,  99.90,   0.37,
03/14 14Z,   0.30,   8.78,   9.40,  99.90,   0.32,
03/14 15Z,   0.30,   7.94,   8.38,  99.90,   0.14,
03/14 16Z,   0.30,   7.37,   7.66,  99.90,  -0.01,
03/14 17Z,   0.30,   7.17,   7.34,  99.90,  -0.13,  (min)
03/14 18Z,   0.40,   7.37,   7.38,  99.90,  -0.39,
03/14 19Z,   0.40,   7.89,   7.64,  99.90,  -0.65,
03/14 20Z,   0.30,   8.45,   7.89,  99.90,  -0.86,
03/14 21Z,   0.30,   8.67,   8.02,  99.90,  -0.95,  (max)
03/14 22Z,   0.30,   8.29,   7.69,  99.90,  -0.90,
03/14 23Z,   0.20,   7.31,   6.78,  99.90,  -0.73,
03/15 00Z,   0.20,   5.80,   5.40,  99.90,  -0.60,
03/15 01Z,   0.20,   3.98,   3.75,  99.90,  -0.43,
03/15 02Z,   0.20,   2.22,   2.05,  99.90,  -0.37,
03/15 03Z,   0.20,   1.03,   0.85,  99.90,  -0.38,
03/15 04Z,   0.20,   0.74,   0.53,  99.90,  -0.41,  (min)
03/15 05Z,   0.10,   1.39,   1.17,  99.90,  -0.32,
03/15 06Z,   0.00,   2.81,   2.50,  99.90,  -0.31,
03/15 07Z,   0.00,   4.75,   4.48,  99.90,  -0.27,
03/15 08Z,   0.00,   6.84,   6.73,  99.90,  -0.11,
03/15 09Z,   0.00,   8.68,   8.71,  99.90,   0.03,
03/15 10Z,   0.00,   9.97,  10.08,  99.90,   0.11,
03/15 11Z,   0.00,  10.64,  10.76,  99.90,   0.12,  (max)
03/15 12Z,   0.00,  10.69,  10.68,  99.90,  -0.01,
03/15 13Z,  -0.10,  10.13,  10.11,  99.90,   0.08,
03/15 14Z,  -0.10,   9.10,   9.17,  99.90,   0.17,
03/15 15Z,   0.00,   7.92,   7.96,  99.90,   0.04,
03/15 16Z,   0.00,   6.98,   6.89,  99.90,  -0.09,
03/15 17Z,   0.00,   6.51,   6.30,  99.90,  -0.21,  (min)
03/15 18Z,   0.00,   6.59,   6.41,  99.90,  -0.18,
03/15 19Z,   0.00,   7.16,   6.96,  99.90,  -0.20,
03/15 20Z,   0.00,   8.02,   7.63,  99.90,  -0.39,
03/15 21Z,   0.00,   8.79,   8.29,  99.90,  -0.50,
03/15 22Z,   0.00,   9.07,   8.59,  99.90,  -0.48,  (max)
03/15 23Z,   0.00,   8.62,   8.24,  99.90,  -0.38,
03/16 00Z,   0.00,   7.46,   7.23,  99.90,  -0.23,
03/16 01Z,   0.00,   5.72,   5.55,  99.90,  -0.17,
03/16 02Z,   0.00,   3.67,   3.61,  99.90,  -0.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 03Z,   0.00,   1.80,  99.90,   1.72,  -0.07,
03/16 04Z,   0.00,   0.65,  99.90,   0.56,  -0.09,
03/16 05Z,   0.00,   0.56,  99.90,   0.47,  -0.10,  (min)
03/16 06Z,   0.00,   1.53,  99.90,   1.42,  -0.11,
03/16 07Z,   0.00,   3.30,  99.90,   3.18,  -0.12,
03/16 08Z,   0.00,   5.54,  99.90,   5.41,  -0.13,
03/16 09Z,   0.10,   7.80,  99.90,   7.75,  -0.15,
03/16 10Z,   0.10,   9.60,  99.90,   9.54,  -0.16,
03/16 11Z,   0.10,  10.68,  99.90,  10.61,  -0.17,
03/16 12Z,   0.20,  10.97,  99.90,  10.99,  -0.18,  (max)
03/16 13Z,   0.20,  10.54,  99.90,  10.54,  -0.19,
03/16 14Z,   0.20,   9.47,  99.90,   9.46,  -0.21,
03/16 15Z,   0.20,   8.01,  99.90,   8.01,  -0.21,
03/16 16Z,   0.30,   6.64,  99.90,   6.73,  -0.21,
03/16 17Z,   0.30,   5.78,  99.90,   5.87,  -0.21,
03/16 18Z,   0.30,   5.63,  99.90,   5.73,  -0.21,  (min)
03/16 19Z,   0.30,   6.17,  99.90,   6.26,  -0.21,
03/16 20Z,   0.30,   7.20,  99.90,   7.29,  -0.21,
03/16 21Z,   0.30,   8.39,  99.90,   8.49,  -0.21,
03/16 22Z,   0.40,   9.30,  99.90,   9.49,  -0.21,
03/16 23Z,   0.40,   9.51,  99.90,   9.71,  -0.21,  (max)
03/17 00Z,   0.40,   8.88,  99.90,   9.08,  -0.21,
03/17 01Z,   0.40,   7.47,  99.90,   7.67,  -0.21,
03/17 02Z,   0.40,   5.48,  99.90,   5.68,  -0.21,
03/17 03Z,   0.40,   3.27,  99.90,   3.46,  -0.21,
03/17 04Z,   0.40,   1.41,  99.90,   1.61,  -0.21,
03/17 05Z,   0.40,   0.49,  99.90,   0.68,  -0.21,  (min)
03/17 06Z,   0.40,   0.78,  99.90,   0.97,  -0.21,
03/17 07Z,   0.40,   2.17,  99.90,   2.36,  -0.21,
03/17 08Z,   0.40,   4.32,  99.90,   4.51,  -0.21,
03/17 09Z,   0.40,   6.77,  99.90,   6.97,  -0.21,
03/17 10Z,   0.40,   9.02,  99.90,   9.21,  -0.21,
03/17 11Z,   0.40,  10.58,  99.90,  10.77,  -0.21,
03/17 12Z,   0.40,  11.21,  99.90,  11.41,  -0.21,  (max)
03/17 13Z,   0.40,  10.95,  99.90,  11.14,  -0.21,
03/17 14Z,   0.50,   9.89,  99.90,  10.18,  -0.21,
03/17 15Z,   0.50,   8.26,  99.90,   8.56,  -0.21,
03/17 16Z,   0.40,   6.47,  99.90,   6.66,  -0.21,
03/17 17Z,   0.40,   5.07,  99.90,   5.26,  -0.21,
03/17 18Z,   0.40,   4.50,  99.90,   4.69,  -0.21,  (min)
03/17 19Z,   0.40,   4.85,  99.90,   5.05,  -0.21,
03/17 20Z,   0.40,   5.94,  99.90,   6.14,  -0.21,
03/17 21Z,   0.40,   7.44,  99.90,   7.63,  -0.21,
03/17 22Z,   0.40,   8.91,  99.90,   9.10,  -0.21,
03/17 23Z,   0.40,   9.85,  99.90,  10.04,  -0.21,
03/18 00Z,   0.40,   9.91,  99.90,  10.11,  -0.21,  (max)
03/18 01Z,   0.40,   9.04,  99.90,   9.24,  -0.21,
03/18 02Z,   0.40,   7.39,  99.90,   7.58,  -0.21,
03/18 03Z,   0.40,   5.21,  99.90,   5.40,  -0.21,
03/18 04Z,   0.40,   2.97,  99.90,   3.17,  -0.21,
03/18 05Z,   0.40,   1.30,  99.90,   1.50,  -0.21,
03/18 06Z,   0.40,   0.76,  99.90,   0.96,  -0.21,  (min)
03/18 07Z,   0.40,   1.52,  99.90,   1.72,  -0.21,
03/18 08Z,   0.40,   3.34,  99.90,   3.53,  -0.21,
03/18 09Z,   0.40,   5.76,  99.90,   5.96,  -0.21,
03/18 10Z,   0.40,   8.26,  99.90,   8.45,  -0.21,
03/18 11Z,   0.40,  10.27,  99.90,  10.46,  -0.21,
03/18 12Z,   0.40,  11.36,  99.90,  11.55,  -0.21,
03/18 13Z,   0.40,  11.38,  99.90,  11.57,  -0.21,  (max)
03/18 14Z,   0.50,  10.42,  99.90,  10.71,  -0.21,
03/18 15Z,   0.50,   8.71,  99.90,   9.01,  -0.21,
03/18 16Z,   0.50,   6.60,  99.90,   6.89,  -0.21,
03/18 17Z,   0.50,   4.62,  99.90,   4.92,  -0.21,
03/18 18Z,   0.50,   3.40,  99.90,   3.70,  -0.21,
03/18 19Z,   0.50,   3.30,  99.90,   3.59,  -0.21,  (min)
03/18 20Z,   0.50,   4.26,  99.90,   4.55,  -0.21,
03/18 21Z,   0.40,   5.92,  99.90,   6.11,  -0.21,
03/18 22Z,   0.40,   7.82,  99.90,   8.02,  -0.21,
03/18 23Z,   0.40,   9.46,  99.90,   9.65,  -0.21,
03/19 00Z,   0.40,  10.34,  99.90,  10.54,  -0.21,  (max)
03/19 01Z,   0.40,  10.22,  99.90,  10.41,  -0.21,
03/19 02Z,   0.40,   9.12,  99.90,   9.32,  -0.21,
03/19 03Z,   0.40,   7.29,  99.90,   7.48,  -0.21,
03/19 04Z,   0.40,   5.06,  99.90,   5.25,  -0.21,
03/19 05Z,   0.40,   2.96,  99.90,   3.15,  -0.21,
03/19 06Z,   0.40,   1.63,  99.90,   1.83,  -0.21,
03/19 07Z,   0.40,   1.56,  99.90,   1.76,  -0.21,  (min)
03/19 08Z,   0.40,   2.78,  99.90,   2.98,  -0.21,
03/19 09Z,   0.40,   4.91,  99.90,   5.11,  -0.21,
03/19 10Z,   0.40,   7.42,  99.90,   7.61,  -0.21,
03/19 11Z,   0.40,   9.73,  99.90,   9.92,  -0.21,
03/19 12Z,   0.40,  11.29,  99.90,  11.48,  -0.21,
03/19 13Z,   0.40,  11.75,  99.90,  11.94,  -0.21,  (max)
03/19 14Z,   0.40,  11.04,  99.90,  11.24,  -0.21,
03/19 15Z,   0.40,   9.39,  99.90,   9.58,  -0.21,
03/19 16Z,   0.40,   7.10,  99.90,   7.29,  -0.21,
03/19 17Z,   0.40,   4.66,  99.90,   4.85,  -0.21,
03/19 18Z,   0.40,   2.70,  99.90,   2.89,  -0.21,