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 : 04/12/2026 15:21:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 00Z,   0.40,  -9.28,  -8.60,  99.90,   0.28,
04/11 01Z,   0.50,  -9.45,  -8.61,  99.90,   0.34,  (min)
04/11 02Z,   0.50,  -9.16,  -8.15,  99.90,   0.51,
04/11 03Z,   0.50,  -8.47,  -7.36,  99.90,   0.61,
04/11 04Z,   0.50,  -7.50,  -6.27,  99.90,   0.73,
04/11 05Z,   0.50,  -6.39,  -5.13,  99.90,   0.76,
04/11 06Z,   0.50,  -5.28,  -3.98,  99.90,   0.80,
04/11 07Z,   0.50,  -4.28,  -2.94,  99.90,   0.84,
04/11 08Z,   0.50,  -3.49,  -2.24,  99.90,   0.75,
04/11 09Z,   0.50,  -3.01,  -1.79,  99.90,   0.72,
04/11 10Z,   0.60,  -2.86,  -1.68,  99.90,   0.58,  (max)
04/11 11Z,   0.60,  -3.01,  -1.93,  99.90,   0.48,
04/11 12Z,   0.70,  -3.36,  -2.38,  99.90,   0.28,
04/11 13Z,   0.70,  -3.76,  -2.85,  99.90,   0.21,
04/11 14Z,   0.80,  -4.11,  -3.17,  99.90,   0.14,
04/11 15Z,   0.70,  -4.33,  -3.43,  99.90,   0.20,
04/11 16Z,   0.80,  -4.44,  -3.71,  99.90,  -0.07,
04/11 17Z,   0.80,  -4.50,  -3.88,  99.90,  -0.18,
04/11 18Z,   0.90,  -4.60,  -4.03,  99.90,  -0.33,
04/11 19Z,   0.80,  -4.83,  -4.31,  99.90,  -0.28,
04/11 20Z,   0.80,  -5.25,  -4.74,  99.90,  -0.29,
04/11 21Z,   0.80,  -5.90,  -5.42,  99.90,  -0.32,
04/11 22Z,   0.80,  -6.75,  -6.28,  99.90,  -0.33,
04/11 23Z,   0.80,  -7.69,  -7.13,  99.90,  -0.24,
04/12 00Z,   0.60,  -8.56,  -7.90,  99.90,   0.06,
04/12 01Z,   0.60,  -9.14,  -8.32,  99.90,   0.22,
04/12 02Z,   0.50,  -9.31,  -8.37,  99.90,   0.44,  (min)
04/12 03Z,   0.50,  -8.99,  -8.05,  99.90,   0.44,
04/12 04Z,   0.50,  -8.26,  -7.24,  99.90,   0.52,
04/12 05Z,   0.50,  -7.25,  -6.15,  99.90,   0.60,
04/12 06Z,   0.50,  -6.12,  -4.97,  99.90,   0.65,
04/12 07Z,   0.40,  -5.01,  -3.76,  99.90,   0.85,
04/12 08Z,   0.40,  -4.04,  -2.79,  99.90,   0.85,
04/12 09Z,   0.40,  -3.34,  -2.09,  99.90,   0.85,
04/12 10Z,   0.50,  -2.99,  -1.81,  99.90,   0.68,  (max)
04/12 11Z,   0.50,  -3.04,  -1.85,  99.90,   0.69,
04/12 12Z,   0.40,  -3.42,  -2.28,  99.90,   0.74,
04/12 13Z,   0.50,  -3.97,  -2.91,  99.90,   0.56,
04/12 14Z,   0.50,  -4.52,  -3.51,  99.90,   0.51,
04/12 15Z,   0.50,  -4.90,  -3.88,  99.90,   0.52,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 16Z,   0.50,  -5.07,  99.90,  -4.08,   0.49,
04/12 17Z,   0.50,  -5.07,  99.90,  -4.11,   0.46,  (min)
04/12 18Z,   0.50,  -4.98,  99.90,  -4.05,   0.43,  (max)
04/12 19Z,   0.40,  -4.93,  99.90,  -4.13,   0.40,
04/12 20Z,   0.40,  -5.00,  99.90,  -4.23,   0.37,
04/12 21Z,   0.40,  -5.28,  99.90,  -4.54,   0.34,
04/12 22Z,   0.40,  -5.82,  99.90,  -5.11,   0.31,
04/12 23Z,   0.50,  -6.61,  99.90,  -5.83,   0.28,
04/13 00Z,   0.50,  -7.53,  99.90,  -6.78,   0.25,
04/13 01Z,   0.50,  -8.39,  99.90,  -7.67,   0.22,
04/13 02Z,   0.50,  -8.96,  99.90,  -8.27,   0.19,
04/13 03Z,   0.60,  -9.07,  99.90,  -8.31,   0.16,  (min)
04/13 04Z,   0.60,  -8.67,  99.90,  -7.91,   0.16,
04/13 05Z,   0.60,  -7.85,  99.90,  -7.09,   0.16,
04/13 06Z,   0.50,  -6.77,  99.90,  -6.11,   0.16,
04/13 07Z,   0.50,  -5.61,  99.90,  -4.95,   0.16,
04/13 08Z,   0.50,  -4.52,  99.90,  -3.86,   0.16,
04/13 09Z,   0.50,  -3.65,  99.90,  -2.99,   0.16,
04/13 10Z,   0.50,  -3.14,  99.90,  -2.48,   0.16,  (max)
04/13 11Z,   0.40,  -3.07,  99.90,  -2.51,   0.16,
04/13 12Z,   0.50,  -3.44,  99.90,  -2.78,   0.16,
04/13 13Z,   0.50,  -4.13,  99.90,  -3.47,   0.16,
04/13 14Z,   0.40,  -4.92,  99.90,  -4.36,   0.16,
04/13 15Z,   0.30,  -5.56,  99.90,  -5.10,   0.16,
04/13 16Z,   0.40,  -5.90,  99.90,  -5.34,   0.16,
04/13 17Z,   0.40,  -5.92,  99.90,  -5.36,   0.16,  (min)
04/13 18Z,   0.30,  -5.71,  99.90,  -5.25,   0.16,
04/13 19Z,   0.30,  -5.39,  99.90,  -4.93,   0.16,
04/13 20Z,   0.30,  -5.11,  99.90,  -4.65,   0.16,
04/13 21Z,   0.30,  -4.99,  99.90,  -4.53,   0.16,  (max)
04/13 22Z,   0.30,  -5.12,  99.90,  -4.66,   0.16,
04/13 23Z,   0.30,  -5.58,  99.90,  -5.12,   0.16,
04/14 00Z,   0.30,  -6.34,  99.90,  -5.88,   0.16,
04/14 01Z,   0.30,  -7.27,  99.90,  -6.81,   0.16,
04/14 02Z,   0.30,  -8.12,  99.90,  -7.66,   0.16,
04/14 03Z,   0.30,  -8.64,  99.90,  -8.18,   0.16,
04/14 04Z,   0.30,  -8.65,  99.90,  -8.19,   0.16,  (min)
04/14 05Z,   0.30,  -8.12,  99.90,  -7.66,   0.16,
04/14 06Z,   0.20,  -7.19,  99.90,  -6.83,   0.16,
04/14 07Z,   0.20,  -6.05,  99.90,  -5.69,   0.16,
04/14 08Z,   0.20,  -4.89,  99.90,  -4.53,   0.16,
04/14 09Z,   0.20,  -3.91,  99.90,  -3.55,   0.16,
04/14 10Z,   0.20,  -3.25,  99.90,  -2.89,   0.16,
04/14 11Z,   0.30,  -3.05,  99.90,  -2.59,   0.16,  (max)
04/14 12Z,   0.30,  -3.38,  99.90,  -2.92,   0.16,
04/14 13Z,   0.30,  -4.16,  99.90,  -3.70,   0.16,
04/14 14Z,   0.30,  -5.19,  99.90,  -4.73,   0.16,
04/14 15Z,   0.30,  -6.16,  99.90,  -5.71,   0.16,
04/14 16Z,   0.30,  -6.81,  99.90,  -6.36,   0.16,
04/14 17Z,   0.40,  -7.01,  99.90,  -6.45,   0.16,  (min)
04/14 18Z,   0.40,  -6.77,  99.90,  -6.21,   0.16,
04/14 19Z,   0.40,  -6.26,  99.90,  -5.70,   0.16,
04/14 20Z,   0.50,  -5.64,  99.90,  -4.98,   0.16,
04/14 21Z,   0.50,  -5.09,  99.90,  -4.43,   0.16,
04/14 22Z,   0.50,  -4.76,  99.90,  -4.10,   0.16,
04/14 23Z,   0.60,  -4.76,  99.90,  -4.00,   0.16,  (max)
04/15 00Z,   0.70,  -5.16,  99.90,  -4.30,   0.16,
04/15 01Z,   0.70,  -5.93,  99.90,  -5.07,   0.16,
04/15 02Z,   0.70,  -6.87,  99.90,  -6.01,   0.16,
04/15 03Z,   0.80,  -7.69,  99.90,  -6.73,   0.16,
04/15 04Z,   0.80,  -8.12,  99.90,  -7.16,   0.16,  (min)
04/15 05Z,   0.70,  -7.99,  99.90,  -7.13,   0.16,
04/15 06Z,   0.80,  -7.33,  99.90,  -6.37,   0.16,
04/15 07Z,   0.90,  -6.31,  99.90,  -5.25,   0.16,
04/15 08Z,   0.80,  -5.16,  99.90,  -4.20,   0.16,
04/15 09Z,   0.80,  -4.10,  99.90,  -3.14,   0.16,
04/15 10Z,   0.80,  -3.32,  99.90,  -2.36,   0.16,
04/15 11Z,   0.80,  -2.98,  99.90,  -2.02,   0.16,  (max)
04/15 12Z,   0.70,  -3.21,  99.90,  -2.36,   0.16,
04/15 13Z,   0.60,  -4.02,  99.90,  -3.26,   0.16,
04/15 14Z,   0.60,  -5.23,  99.90,  -4.48,   0.16,
04/15 15Z,   0.60,  -6.55,  99.90,  -5.80,   0.16,
04/15 16Z,   0.60,  -7.62,  99.90,  -6.86,   0.16,
04/15 17Z,   0.60,  -8.15,  99.90,  -7.40,   0.16,  (min)
04/15 18Z,   0.60,  -8.08,  99.90,  -7.32,   0.16,
04/15 19Z,   0.60,  -7.50,  99.90,  -6.74,   0.16,
04/15 20Z,   0.50,  -6.62,  99.90,  -5.97,   0.16,
04/15 21Z,   0.50,  -5.67,  99.90,  -5.01,   0.16,
04/15 22Z,   0.40,  -4.85,  99.90,  -4.29,   0.16,
04/15 23Z,   0.30,  -4.31,  99.90,  -3.85,   0.16,
04/16 00Z,   0.30,  -4.21,  99.90,  -3.75,   0.16,  (max)
04/16 01Z,   0.30,  -4.59,  99.90,  -4.13,   0.16,
04/16 02Z,   0.30,  -5.37,  99.90,  -4.91,   0.16,
04/16 03Z,   0.30,  -6.31,  99.90,  -5.85,   0.16,
04/16 04Z,   0.20,  -7.07,  99.90,  -6.71,   0.16,
04/16 05Z,   0.20,  -7.38,  99.90,  -7.02,   0.16,  (min)
04/16 06Z,   0.20,  -7.11,  99.90,  -6.75,   0.16,
04/16 07Z,  99.90,  -6.35,  99.90,  99.90,   0.16,
04/16 08Z,  99.90,  -5.31,  99.90,  99.90,   0.16,
04/16 09Z,  99.90,  -4.24,  99.90,  99.90,   0.16,
04/16 10Z,  99.90,  -3.36,  99.90,  99.90,   0.16,
04/16 11Z,  99.90,  -2.89,  99.90,  99.90,   0.16,
04/16 12Z,  99.90,  -2.97,  99.90,  99.90,   0.16,