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
#Friday Harbor, WA : 03/12/2026 22:21:15 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/11 06Z,   0.00,   5.56,   5.52,  99.90,  -0.04,
03/11 07Z,   0.00,   6.27,   6.28,  99.90,   0.01,
03/11 08Z,  -0.10,   6.73,   6.71,  99.90,   0.08,
03/11 09Z,  -0.10,   6.95,   6.82,  99.90,  -0.03,  (max)
03/11 10Z,   0.00,   6.98,   6.69,  99.90,  -0.29,
03/11 11Z,  -0.10,   6.92,   6.58,  99.90,  -0.24,
03/11 12Z,   0.00,   6.85,   6.55,  99.90,  -0.30,  (min)
03/11 13Z,   0.00,   6.82,   6.56,  99.90,  -0.26,
03/11 14Z,   0.00,   6.83,   6.56,  99.90,  -0.27,  (max)
03/11 15Z,   0.00,   6.85,   6.50,  99.90,  -0.35,
03/11 16Z,   0.00,   6.81,   6.42,  99.90,  -0.39,
03/11 17Z,   0.00,   6.63,   6.20,  99.90,  -0.43,
03/11 18Z,   0.10,   6.23,   5.84,  99.90,  -0.49,
03/11 19Z,   0.00,   5.55,   5.09,  99.90,  -0.46,
03/11 20Z,   0.00,   4.59,   4.12,  99.90,  -0.47,
03/11 21Z,   0.10,   3.46,   3.06,  99.90,  -0.50,
03/11 22Z,   0.10,   2.30,   2.19,  99.90,  -0.21,
03/11 23Z,   0.10,   1.32,   1.47,  99.90,   0.05,
03/12 00Z,   0.20,   0.69,   1.04,  99.90,   0.15,
03/12 01Z,   0.30,   0.53,   1.02,  99.90,   0.19,  (min)
03/12 02Z,   0.40,   0.81,   1.47,  99.90,   0.26,
03/12 03Z,   0.50,   1.47,   2.42,  99.90,   0.45,
03/12 04Z,   0.70,   2.38,   3.60,  99.90,   0.52,
03/12 05Z,   0.70,   3.42,   4.56,  99.90,   0.44,
03/12 06Z,   0.50,   4.48,   5.64,  99.90,   0.66,
03/12 07Z,   0.40,   5.46,   6.50,  99.90,   0.64,
03/12 08Z,   0.30,   6.27,   7.29,  99.90,   0.72,
03/12 09Z,   0.40,   6.84,   7.71,  99.90,   0.47,
03/12 10Z,   0.50,   7.13,   7.75,  99.90,   0.12,  (max)
03/12 11Z,   0.40,   7.19,   7.56,  99.90,  -0.03,
03/12 12Z,   0.60,   7.10,   7.27,  99.90,  -0.43,
03/12 13Z,   0.60,   6.94,   6.98,  99.90,  -0.56,
03/12 14Z,   0.50,   6.81,   6.77,  99.90,  -0.54,
03/12 15Z,   0.40,   6.72,   6.57,  99.90,  -0.55,
03/12 16Z,   0.30,   6.66,   6.28,  99.90,  -0.68,
03/12 17Z,   0.30,   6.55,   6.03,  99.90,  -0.82,
03/12 18Z,   0.30,   6.34,   5.75,  99.90,  -0.89,
03/12 19Z,   0.20,   5.93,   5.28,  99.90,  -0.85,
03/12 20Z,   0.20,   5.28,   4.72,  99.90,  -0.76,
03/12 21Z,   0.20,   4.38,   3.77,  99.90,  -0.81,
03/12 22Z,   0.10,   3.30,   2.79,  99.90,  -0.61,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/12 23Z,   0.10,   2.18,  99.90,   1.70,  -0.58,
03/13 00Z,   0.10,   1.21,  99.90,   0.76,  -0.55,
03/13 01Z,   0.10,   0.57,  99.90,   0.16,  -0.51,
03/13 02Z,   0.00,   0.38,  99.90,  -0.10,  -0.48,  (min)
03/13 03Z,   0.00,   0.65,  99.90,   0.20,  -0.45,
03/13 04Z,   0.00,   1.31,  99.90,   0.89,  -0.42,
03/13 05Z,   0.00,   2.23,  99.90,   1.85,  -0.39,
03/13 06Z,   0.00,   3.31,  99.90,   2.96,  -0.35,
03/13 07Z,   0.00,   4.44,  99.90,   4.11,  -0.32,
03/13 08Z,   0.00,   5.49,  99.90,   5.20,  -0.29,
03/13 09Z,   0.00,   6.37,  99.90,   6.11,  -0.26,
03/13 10Z,   0.00,   6.97,  99.90,   6.74,  -0.22,
03/13 11Z,   0.00,   7.24,  99.90,   7.02,  -0.22,  (max)
03/13 12Z,   0.00,   7.22,  99.90,   7.00,  -0.22,
03/13 13Z,   0.00,   7.02,  99.90,   6.80,  -0.22,
03/13 14Z,   0.10,   6.77,  99.90,   6.65,  -0.22,
03/13 15Z,   0.10,   6.57,  99.90,   6.44,  -0.22,
03/13 16Z,   0.10,   6.45,  99.90,   6.32,  -0.22,
03/13 17Z,   0.10,   6.37,  99.90,   6.25,  -0.22,
03/13 18Z,   0.10,   6.29,  99.90,   6.16,  -0.22,
03/13 19Z,   0.10,   6.10,  99.90,   5.98,  -0.22,
03/13 20Z,   0.10,   5.74,  99.90,   5.62,  -0.22,
03/13 21Z,   0.10,   5.15,  99.90,   5.02,  -0.22,
03/13 22Z,   0.10,   4.28,  99.90,   4.16,  -0.22,
03/13 23Z,   0.10,   3.20,  99.90,   3.08,  -0.22,
03/14 00Z,   0.10,   2.05,  99.90,   1.93,  -0.22,
03/14 01Z,   0.10,   1.04,  99.90,   0.92,  -0.22,
03/14 02Z,   0.20,   0.38,  99.90,   0.35,  -0.22,
03/14 03Z,   0.20,   0.19,  99.90,   0.17,  -0.22,  (min)
03/14 04Z,   0.20,   0.50,  99.90,   0.48,  -0.22,
03/14 05Z,   0.20,   1.23,  99.90,   1.20,  -0.22,
03/14 06Z,   0.20,   2.24,  99.90,   2.21,  -0.22,
03/14 07Z,   0.20,   3.40,  99.90,   3.38,  -0.22,
03/14 08Z,   0.20,   4.61,  99.90,   4.58,  -0.22,
03/14 09Z,   0.10,   5.71,  99.90,   5.59,  -0.22,
03/14 10Z,   0.20,   6.59,  99.90,   6.56,  -0.22,
03/14 11Z,   0.20,   7.10,  99.90,   7.08,  -0.22,
03/14 12Z,   0.20,   7.23,  99.90,   7.21,  -0.22,  (max)
03/14 13Z,   0.10,   7.04,  99.90,   6.91,  -0.22,
03/14 14Z,   0.10,   6.69,  99.90,   6.56,  -0.22,
03/14 15Z,   0.10,   6.35,  99.90,   6.22,  -0.22,
03/14 16Z,   0.00,   6.13,  99.90,   5.90,  -0.22,
03/14 17Z,   0.00,   6.04,  99.90,   5.82,  -0.22,
03/14 18Z,   0.00,   6.04,  99.90,   5.82,  -0.22,
03/14 19Z,  -0.10,   6.04,  99.90,   5.71,  -0.22,
03/14 20Z,  -0.10,   5.94,  99.90,   5.61,  -0.22,
03/14 21Z,  -0.10,   5.65,  99.90,   5.33,  -0.22,
03/14 22Z,  -0.10,   5.09,  99.90,   4.76,  -0.22,
03/14 23Z,  -0.10,   4.21,  99.90,   3.89,  -0.22,
03/15 00Z,  -0.10,   3.08,  99.90,   2.76,  -0.22,
03/15 01Z,  -0.10,   1.86,  99.90,   1.54,  -0.22,
03/15 02Z,  -0.10,   0.81,  99.90,   0.49,  -0.22,
03/15 03Z,  -0.20,   0.17,  99.90,  -0.26,  -0.22,
03/15 04Z,  -0.20,   0.06,  99.90,  -0.36,  -0.22,  (min)
03/15 05Z,  -0.20,   0.50,  99.90,   0.08,  -0.22,
03/15 06Z,  -0.30,   1.36,  99.90,   0.84,  -0.22,
03/15 07Z,  -0.30,   2.51,  99.90,   1.98,  -0.22,
03/15 08Z,  -0.30,   3.78,  99.90,   3.26,  -0.22,
03/15 09Z,  -0.30,   5.04,  99.90,   4.52,  -0.22,
03/15 10Z,  -0.20,   6.12,  99.90,   5.70,  -0.22,
03/15 11Z,  -0.20,   6.87,  99.90,   6.44,  -0.22,
03/15 12Z,  -0.20,   7.17,  99.90,   6.74,  -0.22,  (max)
03/15 13Z,  -0.20,   7.03,  99.90,   6.60,  -0.22,
03/15 14Z,  -0.20,   6.59,  99.90,   6.17,  -0.22,
03/15 15Z,  -0.20,   6.08,  99.90,   5.66,  -0.22,
03/15 16Z,  -0.20,   5.70,  99.90,   5.27,  -0.22,
03/15 17Z,  -0.20,   5.53,  99.90,   5.10,  -0.22,  (min)
03/15 18Z,  -0.20,   5.56,  99.90,   5.14,  -0.22,
03/15 19Z,  -0.20,   5.70,  99.90,   5.27,  -0.22,
03/15 20Z,  -0.20,   5.83,  99.90,   5.41,  -0.22,
03/15 21Z,  -0.10,   5.84,  99.90,   5.52,  -0.22,  (max)
03/15 22Z,  -0.20,   5.62,  99.90,   5.19,  -0.22,
03/15 23Z,  -0.20,   5.06,  99.90,   4.64,  -0.22,
03/16 00Z,  -0.10,   4.13,  99.90,   3.81,  -0.22,
03/16 01Z,   0.00,   2.92,  99.90,   2.69,  -0.22,
03/16 02Z,   0.00,   1.64,  99.90,   1.42,  -0.22,
03/16 03Z,   0.00,   0.60,  99.90,   0.38,  -0.22,
03/16 04Z,   0.00,   0.06,  99.90,  -0.17,  -0.22,  (min)
03/16 05Z,   0.00,   0.12,  99.90,  -0.10,  -0.22,
03/16 06Z,   0.00,   0.76,  99.90,   0.54,  -0.22,
03/16 07Z,   0.00,   1.82,  99.90,   1.59,  -0.22,
03/16 08Z,   0.10,   3.11,  99.90,   2.98,  -0.22,
03/16 09Z,   0.10,   4.46,  99.90,   4.33,  -0.22,
03/16 10Z,   0.20,   5.69,  99.90,   5.67,  -0.22,
03/16 11Z,   0.20,   6.62,  99.90,   6.60,  -0.22,
03/16 12Z,   0.20,   7.09,  99.90,   7.07,  -0.22,
03/16 13Z,  99.90,   7.04,  99.90,  99.90,  -0.22,
03/16 14Z,  99.90,   6.55,  99.90,  99.90,  -0.22,
03/16 15Z,  99.90,   5.85,  99.90,  99.90,  -0.22,
03/16 16Z,  99.90,   5.23,  99.90,  99.90,  -0.22,
03/16 17Z,  99.90,   4.87,  99.90,  99.90,  -0.22,
03/16 18Z,  99.90,   4.83,  99.90,  99.90,  -0.22,