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 : 05/10/2026 23:22:40 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/09 06Z,   0.00,  -3.18,  -2.75,  99.90,   0.43,
05/09 07Z,   0.00,  -2.66,  -2.24,  99.90,   0.42,
05/09 08Z,   0.00,  -2.52,  -2.14,  99.90,   0.38,  (max)
05/09 09Z,   0.00,  -2.72,  -2.43,  99.90,   0.29,
05/09 10Z,   0.00,  -3.13,  -2.96,  99.90,   0.17,
05/09 11Z,   0.00,  -3.61,  -3.54,  99.90,   0.07,
05/09 12Z,   0.00,  -4.05,  -3.95,  99.90,   0.10,
05/09 13Z,   0.00,  -4.38,  -4.22,  99.90,   0.16,
05/09 14Z,   0.00,  -4.58,  -4.45,  99.90,   0.13,
05/09 15Z,   0.00,  -4.71,  -4.71,  99.90,   0.00,
05/09 16Z,   0.00,  -4.85,  -4.90,  99.90,  -0.05,
05/09 17Z,   0.00,  -5.09,  -5.16,  99.90,  -0.07,
05/09 18Z,   0.00,  -5.51,  -5.52,  99.90,  -0.01,
05/09 19Z,   0.00,  -6.14,  -6.19,  99.90,  -0.05,
05/09 20Z,   0.00,  -6.97,  -7.06,  99.90,  -0.09,
05/09 21Z,   0.00,  -7.89,  -7.98,  99.90,  -0.09,
05/09 22Z,   0.00,  -8.73,  -8.65,  99.90,   0.08,
05/09 23Z,   0.00,  -9.31,  -9.11,  99.90,   0.20,
05/10 00Z,  -0.10,  -9.46,  -9.15,  99.90,   0.41,  (min)
05/10 01Z,   0.00,  -9.12,  -8.74,  99.90,   0.38,
05/10 02Z,   0.00,  -8.35,  -7.99,  99.90,   0.36,
05/10 03Z,   0.00,  -7.26,  -6.80,  99.90,   0.46,
05/10 04Z,   0.00,  -6.02,  -5.48,  99.90,   0.54,
05/10 05Z,   0.00,  -4.80,  -4.29,  99.90,   0.51,
05/10 06Z,   0.00,  -3.77,  -3.22,  99.90,   0.55,
05/10 07Z,   0.00,  -3.05,  -2.42,  99.90,   0.63,
05/10 08Z,   0.00,  -2.70,  -2.04,  99.90,   0.66,  (max)
05/10 09Z,   0.00,  -2.75,  -2.10,  99.90,   0.65,
05/10 10Z,   0.10,  -3.14,  -2.60,  99.90,   0.44,
05/10 11Z,   0.00,  -3.74,  -3.26,  99.90,   0.48,
05/10 12Z,   0.10,  -4.39,  -3.92,  99.90,   0.37,
05/10 13Z,   0.10,  -4.93,  -4.42,  99.90,   0.41,
05/10 14Z,   0.20,  -5.28,  -4.82,  99.90,   0.26,
05/10 15Z,   0.20,  -5.44,  -5.15,  99.90,   0.09,
05/10 16Z,   0.10,  -5.47,  -5.28,  99.90,   0.09,
05/10 17Z,   0.20,  -5.47,  -5.34,  99.90,  -0.07,
05/10 18Z,   0.10,  -5.55,  -5.40,  99.90,   0.05,
05/10 19Z,   0.10,  -5.80,  -5.63,  99.90,   0.07,
05/10 20Z,   0.10,  -6.24,  -6.11,  99.90,   0.03,
05/10 21Z,   0.20,  -6.88,  -6.78,  99.90,  -0.10,
05/10 22Z,   0.10,  -7.62,  -7.47,  99.90,   0.05,
05/10 23Z,   0.10,  -8.31,  -8.04,  99.90,   0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 00Z,   0.10,  -8.78,  99.90,  -8.51,   0.17,  (min)
05/11 01Z,   0.20,  -8.86,  99.90,  -8.50,   0.16,
05/11 02Z,   0.10,  -8.48,  99.90,  -8.22,   0.15,
05/11 03Z,   0.10,  -7.67,  99.90,  -7.43,   0.15,
05/11 04Z,   0.10,  -6.59,  99.90,  -6.34,   0.14,
05/11 05Z,   0.10,  -5.40,  99.90,  -5.16,   0.14,
05/11 06Z,   0.10,  -4.29,  99.90,  -4.06,   0.13,
05/11 07Z,   0.00,  -3.42,  99.90,  -3.29,   0.13,
05/11 08Z,   0.00,  -2.90,  99.90,  -2.78,   0.12,
05/11 09Z,   0.00,  -2.80,  99.90,  -2.69,   0.11,  (max)
05/11 10Z,   0.00,  -3.14,  99.90,  -3.03,   0.11,
05/11 11Z,   0.00,  -3.81,  99.90,  -3.71,   0.10,
05/11 12Z,   0.00,  -4.67,  99.90,  -4.57,   0.10,
05/11 13Z,   0.00,  -5.49,  99.90,  -5.39,   0.10,
05/11 14Z,   0.00,  -6.10,  99.90,  -5.99,   0.10,
05/11 15Z,   0.00,  -6.39,  99.90,  -6.29,   0.10,
05/11 16Z,   0.00,  -6.40,  99.90,  -6.30,   0.10,  (min)
05/11 17Z,   0.00,  -6.22,  99.90,  -6.12,   0.10,
05/11 18Z,   0.00,  -5.99,  99.90,  -5.89,   0.10,
05/11 19Z,  -0.10,  -5.83,  99.90,  -5.83,   0.10,  (max)
05/11 20Z,  -0.10,  -5.83,  99.90,  -5.83,   0.10,
05/11 21Z,  -0.10,  -6.05,  99.90,  -6.04,   0.10,
05/11 22Z,  -0.10,  -6.49,  99.90,  -6.48,   0.10,
05/11 23Z,  -0.10,  -7.08,  99.90,  -7.08,   0.10,
05/12 00Z,  -0.10,  -7.67,  99.90,  -7.67,   0.10,
05/12 01Z,  -0.10,  -8.08,  99.90,  -8.07,   0.10,  (min)
05/12 02Z,   0.00,  -8.11,  99.90,  -8.00,   0.10,
05/12 03Z,   0.00,  -7.68,  99.90,  -7.58,   0.10,
05/12 04Z,   0.00,  -6.86,  99.90,  -6.76,   0.10,
05/12 05Z,   0.00,  -5.80,  99.90,  -5.69,   0.10,
05/12 06Z,   0.00,  -4.69,  99.90,  -4.58,   0.10,
05/12 07Z,   0.00,  -3.73,  99.90,  -3.62,   0.10,
05/12 08Z,   0.00,  -3.07,  99.90,  -2.97,   0.10,
05/12 09Z,   0.00,  -2.84,  99.90,  -2.73,   0.10,  (max)
05/12 10Z,   0.00,  -3.08,  99.90,  -2.97,   0.10,
05/12 11Z,   0.00,  -3.78,  99.90,  -3.67,   0.10,
05/12 12Z,   0.00,  -4.81,  99.90,  -4.70,   0.10,
05/12 13Z,   0.00,  -5.93,  99.90,  -5.83,   0.10,
05/12 14Z,   0.00,  -6.89,  99.90,  -6.79,   0.10,
05/12 15Z,   0.00,  -7.47,  99.90,  -7.37,   0.10,
05/12 16Z,   0.00,  -7.60,  99.90,  -7.50,   0.10,  (min)
05/12 17Z,   0.10,  -7.34,  99.90,  -7.14,   0.10,
05/12 18Z,   0.00,  -6.85,  99.90,  -6.75,   0.10,
05/12 19Z,   0.00,  -6.29,  99.90,  -6.19,   0.10,
05/12 20Z,   0.00,  -5.82,  99.90,  -5.72,   0.10,
05/12 21Z,   0.00,  -5.54,  99.90,  -5.44,   0.10,
05/12 22Z,   0.10,  -5.53,  99.90,  -5.32,   0.10,  (max)
05/12 23Z,   0.10,  -5.80,  99.90,  -5.60,   0.10,
05/13 00Z,   0.10,  -6.30,  99.90,  -6.10,   0.10,
05/13 01Z,   0.10,  -6.85,  99.90,  -6.64,   0.10,
05/13 02Z,   0.20,  -7.22,  99.90,  -6.91,   0.10,  (min)
05/13 03Z,   0.20,  -7.22,  99.90,  -6.91,   0.10,
05/13 04Z,   0.20,  -6.77,  99.90,  -6.46,   0.10,
05/13 05Z,   0.20,  -5.95,  99.90,  -5.64,   0.10,
05/13 06Z,   0.20,  -4.93,  99.90,  -4.63,   0.10,
05/13 07Z,   0.20,  -3.95,  99.90,  -3.65,   0.10,
05/13 08Z,   0.20,  -3.20,  99.90,  -2.89,   0.10,
05/13 09Z,   0.20,  -2.83,  99.90,  -2.52,   0.10,  (max)
05/13 10Z,   0.20,  -2.95,  99.90,  -2.64,   0.10,
05/13 11Z,   0.20,  -3.60,  99.90,  -3.30,   0.10,
05/13 12Z,   0.30,  -4.72,  99.90,  -4.32,   0.10,
05/13 13Z,   0.30,  -6.11,  99.90,  -5.71,   0.10,
05/13 14Z,   0.30,  -7.46,  99.90,  -7.06,   0.10,
05/13 15Z,   0.20,  -8.46,  99.90,  -8.16,   0.10,
05/13 16Z,   0.30,  -8.91,  99.90,  -8.50,   0.10,  (min)
05/13 17Z,   0.30,  -8.75,  99.90,  -8.35,   0.10,
05/13 18Z,   0.30,  -8.13,  99.90,  -7.72,   0.10,
05/13 19Z,   0.20,  -7.25,  99.90,  -6.94,   0.10,
05/13 20Z,   0.20,  -6.31,  99.90,  -6.01,   0.10,
05/13 21Z,   0.30,  -5.50,  99.90,  -5.09,   0.10,
05/13 22Z,   0.30,  -4.93,  99.90,  -4.53,   0.10,
05/13 23Z,   0.30,  -4.72,  99.90,  -4.32,   0.10,  (max)
05/14 00Z,   0.30,  -4.89,  99.90,  -4.49,   0.10,
05/14 01Z,   0.30,  -5.35,  99.90,  -4.94,   0.10,
05/14 02Z,   0.40,  -5.89,  99.90,  -5.39,   0.10,
05/14 03Z,   0.40,  -6.26,  99.90,  -5.75,   0.10,  (min)
05/14 04Z,   0.40,  -6.24,  99.90,  -5.73,   0.10,
05/14 05Z,   0.40,  -5.78,  99.90,  -5.28,   0.10,
05/14 06Z,   0.40,  -4.99,  99.90,  -4.49,   0.10,
05/14 07Z,   0.40,  -4.08,  99.90,  -3.57,   0.10,
05/14 08Z,   0.40,  -3.28,  99.90,  -2.77,   0.10,
05/14 09Z,   0.30,  -2.78,  99.90,  -2.38,   0.10,
05/14 10Z,   0.30,  -2.75,  99.90,  -2.35,   0.10,  (max)
05/14 11Z,   0.30,  -3.28,  99.90,  -2.87,   0.10,
05/14 12Z,   0.40,  -4.37,  99.90,  -3.87,   0.10,
05/14 13Z,   0.30,  -5.91,  99.90,  -5.51,   0.10,
05/14 14Z,   0.20,  -7.61,  99.90,  -7.31,   0.10,
05/14 15Z,   0.30,  -9.10,  99.90,  -8.70,   0.10,
05/14 16Z,   0.30, -10.03,  99.90,  -9.63,   0.10,
05/14 17Z,   0.20, -10.22,  99.90,  -9.92,   0.10,  (min)
05/14 18Z,   0.20,  -9.70,  99.90,  -9.40,   0.10,