EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Alaska
Gulf of Alaska
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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
#Seattle, WA : 11/18/2025 01:23:12 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/16 06Z,   0.70,  -8.49,  -7.37,  99.90,   0.42,
11/16 07Z,   0.80,  -6.87,  -5.85,  99.90,   0.22,
11/16 08Z,   0.80,  -5.07,  -4.07,  99.90,   0.20,
11/16 09Z,   0.80,  -3.58,  -2.45,  99.90,   0.33,
11/16 10Z,   0.80,  -2.65,  -1.47,  99.90,   0.38,
11/16 11Z,   0.80,  -2.39,  -1.23,  99.90,   0.36,  (max)
11/16 12Z,   0.70,  -2.81,  -1.63,  99.90,   0.48,
11/16 13Z,   0.70,  -3.81,  -2.37,  99.90,   0.74,
11/16 14Z,   0.80,  -5.04,  -3.43,  99.90,   0.81,
11/16 15Z,   0.80,  -6.02,  -4.44,  99.90,   0.78,
11/16 16Z,   0.80,  -6.38,  -4.94,  99.90,   0.64,  (min)
11/16 17Z,   0.80,  -6.00,  -4.61,  99.90,   0.59,
11/16 18Z,   0.90,  -4.92,  -3.64,  99.90,   0.38,
11/16 19Z,   0.90,  -3.36,  -2.28,  99.90,   0.18,
11/16 20Z,   1.00,  -1.75,  -0.85,  99.90,  -0.10,
11/16 21Z,   1.00,  -0.57,   0.29,  99.90,  -0.14,
11/16 22Z,   1.00,  -0.14,   0.70,  99.90,  -0.16,  (max)
11/16 23Z,   1.00,  -0.57,   0.20,  99.90,  -0.23,
11/17 00Z,   1.10,  -1.84,  -1.09,  99.90,  -0.35,
11/17 01Z,   1.10,  -3.84,  -3.06,  99.90,  -0.32,
11/17 02Z,   1.10,  -6.26,  -5.53,  99.90,  -0.37,
11/17 03Z,   1.10,  -8.53,  -7.78,  99.90,  -0.35,
11/17 04Z,   1.10, -10.09,  -9.22,  99.90,  -0.23,
11/17 05Z,   1.10, -10.62,  -9.58,  99.90,  -0.06,  (min)
11/17 06Z,   0.90, -10.06,  -8.77,  99.90,   0.39,
11/17 07Z,   1.00,  -8.57,  -7.28,  99.90,   0.29,
11/17 08Z,   1.00,  -6.51,  -5.30,  99.90,   0.21,
11/17 09Z,   1.00,  -4.43,  -3.21,  99.90,   0.22,
11/17 10Z,   1.00,  -2.80,  -1.58,  99.90,   0.22,
11/17 11Z,   1.00,  -1.82,  -0.70,  99.90,   0.12,
11/17 12Z,   0.90,  -1.56,  -0.63,  99.90,   0.03,  (max)
11/17 13Z,   0.90,  -2.01,  -1.12,  99.90,  -0.01,
11/17 14Z,   0.90,  -3.03,  -2.05,  99.90,   0.08,
11/17 15Z,   0.90,  -4.25,  -3.23,  99.90,   0.12,
11/17 16Z,   0.90,  -5.16,  -4.32,  99.90,  -0.06,
11/17 17Z,   0.90,  -5.44,  -4.77,  99.90,  -0.23,  (min)
11/17 18Z,   0.90,  -5.00,  -4.45,  99.90,  -0.35,
11/17 19Z,   0.90,  -3.92,  -3.56,  99.90,  -0.54,
11/17 20Z,   0.80,  -2.48,  -2.32,  99.90,  -0.64,
11/17 21Z,   0.80,  -1.14,  -1.15,  99.90,  -0.81,
11/17 22Z,   0.80,  -0.40,  -0.38,  99.90,  -0.78,  (max)
11/17 23Z,   0.70,  -0.50,  -0.39,  99.90,  -0.59,
11/18 00Z,   0.70,  -1.47,  -1.37,  99.90,  -0.60,
11/18 01Z,   0.70,  -3.25,  -3.06,  99.90,  -0.51,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/18 02Z,   0.70,  -5.63,  99.90,  -5.39,  -0.46,
11/18 03Z,   0.70,  -8.17,  99.90,  -7.89,  -0.42,
11/18 04Z,   0.70, -10.25,  99.90,  -9.93,  -0.38,
11/18 05Z,   0.60, -11.36,  99.90, -11.09,  -0.33,  (min)
11/18 06Z,   0.60, -11.28,  99.90, -10.97,  -0.29,
11/18 07Z,   0.60, -10.08,  99.90,  -9.72,  -0.25,
11/18 08Z,   0.60,  -8.04,  99.90,  -7.64,  -0.21,
11/18 09Z,   0.60,  -5.64,  99.90,  -5.20,  -0.16,
11/18 10Z,   0.50,  -3.44,  99.90,  -3.06,  -0.12,
11/18 11Z,   0.50,  -1.83,  99.90,  -1.41,  -0.08,
11/18 12Z,   0.50,  -0.97,  99.90,  -0.50,  -0.03,
11/18 13Z,   0.50,  -0.84,  99.90,  -0.33,   0.01,  (max)
11/18 14Z,   0.50,  -1.42,  99.90,  -0.91,   0.01,
11/18 15Z,   0.50,  -2.51,  99.90,  -2.00,   0.01,
11/18 16Z,   0.50,  -3.68,  99.90,  -3.17,   0.01,
11/18 17Z,   0.50,  -4.47,  99.90,  -3.96,   0.01,
11/18 18Z,   0.50,  -4.61,  99.90,  -4.10,   0.01,  (min)
11/18 19Z,   0.50,  -4.07,  99.90,  -3.56,   0.01,
11/18 20Z,   0.50,  -3.01,  99.90,  -2.50,   0.01,
11/18 21Z,   0.40,  -1.77,  99.90,  -1.36,   0.01,
11/18 22Z,   0.40,  -0.81,  99.90,  -0.40,   0.01,
11/18 23Z,   0.40,  -0.57,  99.90,  -0.16,   0.01,  (max)
11/19 00Z,   0.40,  -1.23,  99.90,  -0.82,   0.01,
11/19 01Z,   0.40,  -2.74,  99.90,  -2.33,   0.01,
11/19 02Z,   0.40,  -4.94,  99.90,  -4.53,   0.01,
11/19 03Z,   0.40,  -7.53,  99.90,  -7.12,   0.01,
11/19 04Z,   0.40,  -9.98,  99.90,  -9.57,   0.01,
11/19 05Z,   0.40, -11.64,  99.90, -11.23,   0.01,
11/19 06Z,   0.40, -12.11,  99.90, -11.70,   0.01,  (min)
11/19 07Z,   0.40, -11.31,  99.90, -10.90,   0.01,
11/19 08Z,   0.40,  -9.48,  99.90,  -9.07,   0.01,
11/19 09Z,   0.40,  -7.01,  99.90,  -6.60,   0.01,
11/19 10Z,   0.40,  -4.44,  99.90,  -4.03,   0.01,
11/19 11Z,   0.30,  -2.30,  99.90,  -1.99,   0.01,
11/19 12Z,   0.30,  -0.89,  99.90,  -0.58,   0.01,
11/19 13Z,   0.40,  -0.26,  99.90,   0.15,   0.01,  (max)
11/19 14Z,   0.30,  -0.36,  99.90,  -0.05,   0.01,
11/19 15Z,   0.40,  -1.11,  99.90,  -0.70,   0.01,
11/19 16Z,   0.40,  -2.24,  99.90,  -1.83,   0.01,
11/19 17Z,   0.40,  -3.32,  99.90,  -2.91,   0.01,
11/19 18Z,   0.40,  -3.94,  99.90,  -3.52,   0.01,  (min)
11/19 19Z,   0.40,  -3.90,  99.90,  -3.49,   0.01,
11/19 20Z,   0.40,  -3.29,  99.90,  -2.88,   0.01,
11/19 21Z,   0.40,  -2.31,  99.90,  -1.90,   0.01,
11/19 22Z,   0.40,  -1.33,  99.90,  -0.92,   0.01,
11/19 23Z,   0.40,  -0.81,  99.90,  -0.40,   0.01,  (max)
11/20 00Z,   0.40,  -1.09,  99.90,  -0.68,   0.01,
11/20 01Z,   0.40,  -2.28,  99.90,  -1.87,   0.01,
11/20 02Z,   0.40,  -4.23,  99.90,  -3.82,   0.01,
11/20 03Z,   0.50,  -6.70,  99.90,  -6.19,   0.01,
11/20 04Z,   0.50,  -9.30,  99.90,  -8.79,   0.01,
11/20 05Z,   0.50, -11.44,  99.90, -10.93,   0.01,
11/20 06Z,   0.50, -12.52,  99.90, -12.01,   0.01,  (min)
11/20 07Z,   0.60, -12.26,  99.90, -11.65,   0.01,
11/20 08Z,   0.60, -10.77,  99.90, -10.16,   0.01,
11/20 09Z,   0.60,  -8.43,  99.90,  -7.82,   0.01,
11/20 10Z,   0.60,  -5.71,  99.90,  -5.10,   0.01,
11/20 11Z,   0.60,  -3.16,  99.90,  -2.55,   0.01,
11/20 12Z,   0.60,  -1.24,  99.90,  -0.63,   0.01,
11/20 13Z,   0.70,  -0.14,  99.90,   0.57,   0.01,
11/20 14Z,   0.70,   0.18,  99.90,   0.89,   0.01,  (max)
11/20 15Z,   0.70,  -0.17,  99.90,   0.54,   0.01,
11/20 16Z,   0.70,  -1.06,  99.90,  -0.35,   0.01,
11/20 17Z,   0.70,  -2.19,  99.90,  -1.48,   0.01,
11/20 18Z,   0.70,  -3.13,  99.90,  -2.42,   0.01,
11/20 19Z,   0.70,  -3.53,  99.90,  -2.82,   0.01,  (min)
11/20 20Z,   0.70,  -3.34,  99.90,  -2.63,   0.01,
11/20 21Z,   0.60,  -2.70,  99.90,  -2.09,   0.01,
11/20 22Z,   0.60,  -1.87,  99.90,  -1.25,   0.01,
11/20 23Z,   0.60,  -1.20,  99.90,  -0.59,   0.01,
11/21 00Z,   0.60,  -1.12,  99.90,  -0.51,   0.01,  (max)
11/21 01Z,   0.60,  -1.88,  99.90,  -1.27,   0.01,
11/21 02Z,   0.60,  -3.48,  99.90,  -2.87,   0.01,
11/21 03Z,   0.50,  -5.73,  99.90,  -5.22,   0.01,
11/21 04Z,   0.50,  -8.29,  99.90,  -7.78,   0.01,
11/21 05Z,   0.50, -10.73,  99.90, -10.22,   0.01,
11/21 06Z,   0.50, -12.41,  99.90, -11.90,   0.01,
11/21 07Z,   0.50, -12.83,  99.90, -12.32,   0.01,  (min)
11/21 08Z,   0.50, -11.87,  99.90, -11.36,   0.01,
11/21 09Z,   0.50,  -9.82,  99.90,  -9.31,   0.01,
11/21 10Z,   0.40,  -7.15,  99.90,  -6.74,   0.01,
11/21 11Z,   0.40,  -4.38,  99.90,  -3.97,   0.01,
11/21 12Z,   0.40,  -2.01,  99.90,  -1.60,   0.01,
11/21 13Z,   0.40,  -0.42,  99.90,  -0.01,   0.01,
11/21 14Z,   0.40,   0.33,  99.90,   0.74,   0.01,
11/21 15Z,   0.40,   0.34,  99.90,   0.75,   0.01,  (max)
11/21 16Z,   0.40,  -0.24,  99.90,   0.17,   0.01,
11/21 17Z,   0.40,  -1.22,  99.90,  -0.81,   0.01,
11/21 18Z,   0.40,  -2.30,  99.90,  -1.89,   0.01,