EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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Alaska
Gulf of Alaska
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Stations
Cherry Point, WA
Friday Harbor WA
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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
#North Spit, CA : 08/16/2026 13:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 18Z,   0.40,   3.33,   4.15,  99.90,   0.42,
08/14 19Z,   0.40,   4.92,   5.67,  99.90,   0.35,
08/14 20Z,   0.40,   6.10,   6.87,  99.90,   0.37,
08/14 21Z,   0.40,   6.59,   7.48,  99.90,   0.49,  (max)
08/14 22Z,   0.40,   6.29,   7.25,  99.90,   0.56,
08/14 23Z,   0.40,   5.32,   6.17,  99.90,   0.45,
08/15 00Z,   0.50,   3.96,   4.84,  99.90,   0.38,
08/15 01Z,   0.50,   2.58,   3.54,  99.90,   0.46,
08/15 02Z,   0.50,   1.61,   2.61,  99.90,   0.50,
08/15 03Z,   0.50,   1.36,   2.29,  99.90,   0.43,  (min)
08/15 04Z,   0.50,   1.93,   2.79,  99.90,   0.36,
08/15 05Z,   0.50,   3.08,   3.93,  99.90,   0.35,
08/15 06Z,   0.40,   4.46,   5.22,  99.90,   0.36,
08/15 07Z,   0.40,   5.77,   6.46,  99.90,   0.29,
08/15 08Z,   0.40,   6.69,   7.35,  99.90,   0.26,
08/15 09Z,   0.40,   6.95,   7.62,  99.90,   0.27,  (max)
08/15 10Z,   0.40,   6.41,   7.12,  99.90,   0.31,
08/15 11Z,   0.40,   5.17,   5.89,  99.90,   0.32,
08/15 12Z,   0.30,   3.51,   4.30,  99.90,   0.49,
08/15 13Z,   0.30,   1.81,   2.77,  99.90,   0.66,
08/15 14Z,   0.30,   0.47,   1.40,  99.90,   0.63,
08/15 15Z,   0.30,  -0.12,   0.71,  99.90,   0.53,  (min)
08/15 16Z,   0.20,   0.18,   0.97,  99.90,   0.59,
08/15 17Z,   0.20,   1.24,   2.10,  99.90,   0.66,
08/15 18Z,   0.20,   2.74,   3.62,  99.90,   0.68,
08/15 19Z,   0.20,   4.32,   5.05,  99.90,   0.53,
08/15 20Z,   0.20,   5.69,   6.47,  99.90,   0.58,
08/15 21Z,   0.20,   6.57,   7.38,  99.90,   0.61,
08/15 22Z,   0.20,   6.72,   7.56,  99.90,   0.64,  (max)
08/15 23Z,   0.20,   6.12,   6.97,  99.90,   0.65,
08/16 00Z,   0.30,   4.94,   5.66,  99.90,   0.42,
08/16 01Z,   0.40,   3.50,   4.22,  99.90,   0.32,
08/16 02Z,   0.40,   2.16,   2.96,  99.90,   0.40,
08/16 03Z,   0.40,   1.30,   2.10,  99.90,   0.40,
08/16 04Z,   0.40,   1.20,   1.89,  99.90,   0.29,  (min)
08/16 05Z,   0.40,   1.84,   2.50,  99.90,   0.26,
08/16 06Z,   0.40,   2.97,   3.64,  99.90,   0.27,
08/16 07Z,   0.40,   4.25,   4.85,  99.90,   0.20,
08/16 08Z,   0.40,   5.40,   5.94,  99.90,   0.14,
08/16 09Z,   0.40,   6.16,   6.71,  99.90,   0.15,
08/16 10Z,   0.40,   6.28,   6.82,  99.90,   0.14,  (max)
08/16 11Z,   0.40,   5.69,   6.35,  99.90,   0.26,
08/16 12Z,   0.40,   4.54,   5.18,  99.90,   0.24,
08/16 13Z,   0.40,   3.12,   3.86,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 14Z,   0.40,   1.78,  99.90,   2.52,   0.34,
08/16 15Z,   0.40,   0.86,  99.90,   1.60,   0.35,
08/16 16Z,   0.40,   0.64,  99.90,   1.40,   0.36,  (min)
08/16 17Z,   0.40,   1.22,  99.90,   1.98,   0.36,
08/16 18Z,   0.40,   2.38,  99.90,   3.14,   0.37,
08/16 19Z,   0.40,   3.79,  99.90,   4.57,   0.38,
08/16 20Z,   0.40,   5.17,  99.90,   5.95,   0.38,
08/16 21Z,   0.40,   6.25,  99.90,   7.04,   0.39,
08/16 22Z,   0.50,   6.79,  99.90,   7.69,   0.40,  (max)
08/16 23Z,   0.50,   6.63,  99.90,   7.53,   0.40,
08/17 00Z,   0.50,   5.79,  99.90,   6.70,   0.41,
08/17 01Z,   0.50,   4.51,  99.90,   5.42,   0.42,
08/17 02Z,   0.50,   3.08,  99.90,   4.00,   0.42,
08/17 03Z,   0.50,   1.85,  99.90,   2.77,   0.42,
08/17 04Z,   0.50,   1.14,  99.90,   2.06,   0.42,  (min)
08/17 05Z,   0.50,   1.15,  99.90,   2.06,   0.42,
08/17 06Z,   0.50,   1.80,  99.90,   2.72,   0.42,
08/17 07Z,   0.40,   2.84,  99.90,   3.66,   0.42,
08/17 08Z,   0.50,   3.97,  99.90,   4.89,   0.42,
08/17 09Z,   0.60,   4.95,  99.90,   5.97,   0.42,
08/17 10Z,   0.50,   5.55,  99.90,   6.47,   0.42,
08/17 11Z,   0.60,   5.59,  99.90,   6.60,   0.42,  (max)
08/17 12Z,   0.60,   5.03,  99.90,   6.05,   0.42,
08/17 13Z,   0.60,   4.07,  99.90,   5.09,   0.42,
08/17 14Z,   0.60,   2.97,  99.90,   3.99,   0.42,
08/17 15Z,   0.60,   2.02,  99.90,   3.03,   0.42,
08/17 16Z,   0.50,   1.48,  99.90,   2.40,   0.42,  (min)
08/17 17Z,   0.50,   1.58,  99.90,   2.49,   0.42,
08/17 18Z,   0.60,   2.30,  99.90,   3.32,   0.42,
08/17 19Z,   0.60,   3.43,  99.90,   4.45,   0.42,
08/17 20Z,   0.50,   4.67,  99.90,   5.58,   0.42,
08/17 21Z,   0.50,   5.78,  99.90,   6.69,   0.42,
08/17 22Z,   0.60,   6.55,  99.90,   7.56,   0.42,
08/17 23Z,   0.60,   6.77,  99.90,   7.79,   0.42,  (max)
08/18 00Z,   0.60,   6.36,  99.90,   7.37,   0.42,
08/18 01Z,   0.60,   5.38,  99.90,   6.40,   0.42,
08/18 02Z,   0.60,   4.09,  99.90,   5.11,   0.42,
08/18 03Z,   0.60,   2.76,  99.90,   3.78,   0.42,
08/18 04Z,   0.50,   1.67,  99.90,   2.59,   0.42,
08/18 05Z,   0.50,   1.10,  99.90,   2.01,   0.42,  (min)
08/18 06Z,   0.50,   1.16,  99.90,   2.08,   0.42,
08/18 07Z,   0.40,   1.78,  99.90,   2.59,   0.42,
08/18 08Z,   0.50,   2.68,  99.90,   3.60,   0.42,
08/18 09Z,   0.60,   3.64,  99.90,   4.66,   0.42,
08/18 10Z,   0.50,   4.47,  99.90,   5.38,   0.42,
08/18 11Z,   0.60,   4.96,  99.90,   5.98,   0.42,
08/18 12Z,   0.60,   4.98,  99.90,   6.00,   0.42,  (max)
08/18 13Z,   0.60,   4.54,  99.90,   5.56,   0.42,
08/18 14Z,   0.60,   3.83,  99.90,   4.84,   0.42,
08/18 15Z,   0.50,   3.07,  99.90,   3.98,   0.42,
08/18 16Z,   0.50,   2.47,  99.90,   3.38,   0.42,
08/18 17Z,   0.50,   2.24,  99.90,   3.16,   0.42,  (min)
08/18 18Z,   0.50,   2.52,  99.90,   3.43,   0.42,
08/18 19Z,   0.60,   3.26,  99.90,   4.28,   0.42,
08/18 20Z,   0.50,   4.26,  99.90,   5.18,   0.42,
08/18 21Z,   0.50,   5.26,  99.90,   6.18,   0.42,
08/18 22Z,   0.60,   6.10,  99.90,   7.11,   0.42,
08/18 23Z,   0.60,   6.59,  99.90,   7.61,   0.42,  (max)
08/19 00Z,   0.60,   6.58,  99.90,   7.60,   0.42,
08/19 01Z,   0.60,   6.01,  99.90,   7.03,   0.42,
08/19 02Z,   0.60,   5.00,  99.90,   6.02,   0.42,
08/19 03Z,   0.60,   3.78,  99.90,   4.80,   0.42,
08/19 04Z,   0.60,   2.57,  99.90,   3.59,   0.42,
08/19 05Z,   0.60,   1.61,  99.90,   2.63,   0.42,
08/19 06Z,   0.60,   1.12,  99.90,   2.14,   0.42,
08/19 07Z,   0.50,   1.19,  99.90,   2.11,   0.42,  (min)
08/19 08Z,   0.70,   1.72,  99.90,   2.83,   0.42,
08/19 09Z,   0.70,   2.48,  99.90,   3.59,   0.42,
08/19 10Z,   0.60,   3.29,  99.90,   4.31,   0.42,
08/19 11Z,   0.70,   4.01,  99.90,   5.12,   0.42,
08/19 12Z,   0.70,   4.46,  99.90,   5.58,   0.42,
08/19 13Z,   0.70,   4.53,  99.90,   5.65,   0.42,  (max)
08/19 14Z,   0.70,   4.27,  99.90,   5.38,   0.42,
08/19 15Z,   0.60,   3.82,  99.90,   4.83,   0.42,
08/19 16Z,   0.60,   3.35,  99.90,   4.37,   0.42,
08/19 17Z,   0.60,   3.02,  99.90,   4.04,   0.42,
08/19 18Z,   0.60,   2.97,  99.90,   3.99,   0.42,  (min)
08/19 19Z,   0.60,   3.31,  99.90,   4.33,   0.42,
08/19 20Z,   0.60,   3.98,  99.90,   5.00,   0.42,
08/19 21Z,   0.60,   4.79,  99.90,   5.81,   0.42,
08/19 22Z,   0.60,   5.57,  99.90,   6.59,   0.42,
08/19 23Z,   0.70,   6.18,  99.90,   7.29,   0.42,
08/20 00Z,   0.60,   6.48,  99.90,   7.49,   0.42,  (max)
08/20 01Z,   0.60,   6.33,  99.90,   7.34,   0.42,
08/20 02Z,   0.60,   5.70,  99.90,   6.72,   0.42,
08/20 03Z,   0.60,   4.73,  99.90,   5.74,   0.42,
08/20 04Z,   0.60,   3.60,  99.90,   4.61,   0.42,
08/20 05Z,   0.60,   2.50,  99.90,   3.51,   0.42,
08/20 06Z,   0.60,   1.62,  99.90,   2.63,   0.42,