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 : 08/19/2026 23:23:58 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/18 06Z,   0.40,  -1.49,  -1.27,  99.90,  -0.18,
08/18 07Z,   0.40,  -2.83,  -2.57,  99.90,  -0.14,
08/18 08Z,   0.30,  -4.25,  -3.96,  99.90,  -0.01,
08/18 09Z,   0.40,  -5.44,  -5.20,  99.90,  -0.16,
08/18 10Z,   0.40,  -6.17,  -6.00,  99.90,  -0.23,
08/18 11Z,   0.40,  -6.37,  -6.28,  99.90,  -0.31,  (min)
08/18 12Z,   0.30,  -6.08,  -5.97,  99.90,  -0.19,
08/18 13Z,   0.30,  -5.41,  -5.32,  99.90,  -0.21,
08/18 14Z,   0.30,  -4.52,  -4.43,  99.90,  -0.21,
08/18 15Z,   0.30,  -3.58,  -3.57,  99.90,  -0.29,
08/18 16Z,   0.20,  -2.77,  -2.85,  99.90,  -0.28,
08/18 17Z,   0.30,  -2.24,  -2.34,  99.90,  -0.40,
08/18 18Z,   0.20,  -2.08,  -2.08,  99.90,  -0.20,  (max)
08/18 19Z,   0.10,  -2.23,  -2.23,  99.90,  -0.10,
08/18 20Z,   0.10,  -2.56,  -2.57,  99.90,  -0.11,
08/18 21Z,   0.20,  -2.86,  -2.88,  99.90,  -0.22,
08/18 22Z,   0.20,  -2.98,  -2.96,  99.90,  -0.18,  (min)
08/18 23Z,   0.10,  -2.82,  -2.75,  99.90,  -0.03,
08/19 00Z,   0.20,  -2.42,  -2.29,  99.90,  -0.07,
08/19 01Z,   0.20,  -1.84,  -1.66,  99.90,  -0.02,
08/19 02Z,   0.20,  -1.21,  -0.97,  99.90,   0.04,
08/19 03Z,   0.20,  -0.68,  -0.47,  99.90,   0.01,
08/19 04Z,   0.20,  -0.42,  -0.24,  99.90,  -0.02,  (max)
08/19 05Z,   0.20,  -0.57,  -0.40,  99.90,  -0.03,
08/19 06Z,   0.30,  -1.22,  -1.03,  99.90,  -0.11,
08/19 07Z,   0.30,  -2.32,  -2.08,  99.90,  -0.06,
08/19 08Z,   0.20,  -3.68,  -3.41,  99.90,   0.07,
08/19 09Z,   0.30,  -5.03,  -4.76,  99.90,  -0.03,
08/19 10Z,   0.30,  -6.10,  -5.89,  99.90,  -0.09,
08/19 11Z,   0.30,  -6.70,  -6.59,  99.90,  -0.19,
08/19 12Z,   0.30,  -6.79,  -6.72,  99.90,  -0.23,  (min)
08/19 13Z,   0.30,  -6.42,  -6.35,  99.90,  -0.23,
08/19 14Z,   0.30,  -5.69,  -5.61,  99.90,  -0.22,
08/19 15Z,   0.30,  -4.75,  -4.76,  99.90,  -0.31,
08/19 16Z,   0.20,  -3.76,  -3.77,  99.90,  -0.21,
08/19 17Z,   0.30,  -2.86,  -2.97,  99.90,  -0.41,
08/19 18Z,   0.30,  -2.20,  -2.24,  99.90,  -0.34,
08/19 19Z,   0.20,  -1.83,  -1.78,  99.90,  -0.15,
08/19 20Z,   0.20,  -1.74,  -1.72,  99.90,  -0.18,  (max)
08/19 21Z,   0.20,  -1.82,  -1.78,  99.90,  -0.16,
08/19 22Z,   0.30,  -1.95,  -1.88,  99.90,  -0.23,  (min)
08/19 23Z,   0.20,  -2.00,  -1.86,  99.90,  -0.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/20 00Z,   0.20,  -1.90,  99.90,  -1.77,  -0.07,
08/20 01Z,   0.20,  -1.66,  99.90,  -1.54,  -0.08,
08/20 02Z,   0.30,  -1.32,  99.90,  -1.10,  -0.09,
08/20 03Z,   0.30,  -0.96,  99.90,  -0.76,  -0.10,
08/20 04Z,   0.30,  -0.73,  99.90,  -0.53,  -0.10,  (max)
08/20 05Z,   0.30,  -0.74,  99.90,  -0.55,  -0.11,
08/20 06Z,   0.30,  -1.11,  99.90,  -0.94,  -0.12,
08/20 07Z,   0.30,  -1.90,  99.90,  -1.73,  -0.13,
08/20 08Z,   0.30,  -3.04,  99.90,  -2.88,  -0.14,
08/20 09Z,   0.30,  -4.35,  99.90,  -4.20,  -0.15,
08/20 10Z,   0.30,  -5.60,  99.90,  -5.45,  -0.16,
08/20 11Z,   0.30,  -6.55,  99.90,  -6.42,  -0.17,
08/20 12Z,   0.30,  -7.06,  99.90,  -6.93,  -0.17,  (min)
08/20 13Z,   0.40,  -7.08,  99.90,  -6.85,  -0.17,
08/20 14Z,   0.30,  -6.66,  99.90,  -6.52,  -0.17,
08/20 15Z,   0.30,  -5.89,  99.90,  -5.76,  -0.17,
08/20 16Z,   0.30,  -4.92,  99.90,  -4.78,  -0.17,
08/20 17Z,   0.30,  -3.86,  99.90,  -3.73,  -0.17,
08/20 18Z,   0.30,  -2.88,  99.90,  -2.74,  -0.17,
08/20 19Z,   0.20,  -2.07,  99.90,  -2.03,  -0.17,
08/20 20Z,   0.20,  -1.52,  99.90,  -1.48,  -0.17,
08/20 21Z,   0.30,  -1.24,  99.90,  -1.10,  -0.17,
08/20 22Z,   0.30,  -1.18,  99.90,  -1.04,  -0.17,  (max)
08/20 23Z,   0.20,  -1.24,  99.90,  -1.20,  -0.17,
08/21 00Z,   0.20,  -1.31,  99.90,  -1.28,  -0.17,  (min)
08/21 01Z,   0.30,  -1.33,  99.90,  -1.20,  -0.17,
08/21 02Z,   0.30,  -1.26,  99.90,  -1.13,  -0.17,
08/21 03Z,   0.30,  -1.13,  99.90,  -0.99,  -0.17,
08/21 04Z,   0.30,  -0.99,  99.90,  -0.86,  -0.17,
08/21 05Z,   0.30,  -0.96,  99.90,  -0.83,  -0.17,  (max)
08/21 06Z,   0.30,  -1.14,  99.90,  -1.01,  -0.17,
08/21 07Z,   0.30,  -1.63,  99.90,  -1.49,  -0.17,
08/21 08Z,   0.30,  -2.45,  99.90,  -2.32,  -0.17,
08/21 09Z,   0.30,  -3.56,  99.90,  -3.43,  -0.17,
08/21 10Z,   0.30,  -4.80,  99.90,  -4.67,  -0.17,
08/21 11Z,   0.30,  -5.97,  99.90,  -5.84,  -0.17,
08/21 12Z,   0.30,  -6.86,  99.90,  -6.73,  -0.17,
08/21 13Z,   0.30,  -7.32,  99.90,  -7.19,  -0.17,  (min)
08/21 14Z,   0.30,  -7.30,  99.90,  -7.17,  -0.17,
08/21 15Z,   0.30,  -6.85,  99.90,  -6.71,  -0.17,
08/21 16Z,   0.40,  -6.05,  99.90,  -5.82,  -0.17,
08/21 17Z,   0.30,  -5.03,  99.90,  -4.90,  -0.17,
08/21 18Z,   0.30,  -3.92,  99.90,  -3.78,  -0.17,
08/21 19Z,   0.30,  -2.83,  99.90,  -2.70,  -0.17,
08/21 20Z,   0.30,  -1.89,  99.90,  -1.76,  -0.17,
08/21 21Z,   0.30,  -1.20,  99.90,  -1.07,  -0.17,
08/21 22Z,   0.30,  -0.81,  99.90,  -0.68,  -0.17,
08/21 23Z,   0.30,  -0.70,  99.90,  -0.57,  -0.17,  (max)
08/22 00Z,   0.30,  -0.79,  99.90,  -0.66,  -0.17,
08/22 01Z,   0.30,  -0.95,  99.90,  -0.82,  -0.17,
08/22 02Z,   0.40,  -1.10,  99.90,  -0.86,  -0.17,
08/22 03Z,   0.40,  -1.16,  99.90,  -0.93,  -0.17,
08/22 04Z,   0.30,  -1.17,  99.90,  -1.03,  -0.17,  (min)
08/22 05Z,   0.40,  -1.16,  99.90,  -0.93,  -0.17,  (max)
08/22 06Z,   0.40,  -1.24,  99.90,  -1.00,  -0.17,
08/22 07Z,   0.40,  -1.48,  99.90,  -1.25,  -0.17,
08/22 08Z,   0.40,  -1.99,  99.90,  -1.76,  -0.17,
08/22 09Z,   0.30,  -2.81,  99.90,  -2.67,  -0.17,
08/22 10Z,   0.40,  -3.88,  99.90,  -3.65,  -0.17,
08/22 11Z,   0.40,  -5.10,  99.90,  -4.86,  -0.17,
08/22 12Z,   0.40,  -6.25,  99.90,  -6.01,  -0.17,
08/22 13Z,   0.40,  -7.12,  99.90,  -6.88,  -0.17,
08/22 14Z,   0.40,  -7.56,  99.90,  -7.33,  -0.17,  (min)
08/22 15Z,   0.40,  -7.52,  99.90,  -7.28,  -0.17,
08/22 16Z,   0.50,  -7.02,  99.90,  -6.69,  -0.17,
08/22 17Z,   0.50,  -6.18,  99.90,  -5.85,  -0.17,
08/22 18Z,   0.40,  -5.10,  99.90,  -4.87,  -0.17,
08/22 19Z,   0.30,  -3.90,  99.90,  -3.77,  -0.17,
08/22 20Z,   0.40,  -2.71,  99.90,  -2.48,  -0.17,
08/22 21Z,   0.40,  -1.67,  99.90,  -1.44,  -0.17,
08/22 22Z,   0.40,  -0.92,  99.90,  -0.68,  -0.17,
08/22 23Z,   0.40,  -0.52,  99.90,  -0.28,  -0.17,
08/23 00Z,   0.40,  -0.46,  99.90,  -0.22,  -0.17,  (max)
08/23 01Z,   0.40,  -0.63,  99.90,  -0.40,  -0.17,
08/23 02Z,   0.40,  -0.90,  99.90,  -0.67,  -0.17,
08/23 03Z,   0.40,  -1.13,  99.90,  -0.90,  -0.17,
08/23 04Z,   0.40,  -1.27,  99.90,  -1.04,  -0.17,
08/23 05Z,   0.40,  -1.33,  99.90,  -1.10,  -0.17,
08/23 06Z,   0.40,  -1.36,  99.90,  -1.13,  -0.17,
08/23 07Z,   0.40,  -1.45,  99.90,  -1.22,  -0.17,
08/23 08Z,   0.40,  -1.70,  99.90,  -1.47,  -0.17,
08/23 09Z,   0.30,  -2.20,  99.90,  -2.06,  -0.17,
08/23 10Z,   0.40,  -3.00,  99.90,  -2.77,  -0.17,
08/23 11Z,   0.30,  -4.09,  99.90,  -3.96,  -0.17,
08/23 12Z,   0.30,  -5.33,  99.90,  -5.20,  -0.17,
08/23 13Z,   0.30,  -6.51,  99.90,  -6.38,  -0.17,
08/23 14Z,   0.30,  -7.40,  99.90,  -7.26,  -0.17,
08/23 15Z,   0.30,  -7.82,  99.90,  -7.68,  -0.17,  (min)
08/23 16Z,   0.30,  -7.72,  99.90,  -7.58,  -0.17,
08/23 17Z,   0.30,  -7.15,  99.90,  -7.02,  -0.17,
08/23 18Z,   0.30,  -6.22,  99.90,  -6.09,  -0.17,