EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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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
#Seattle, WA : 09/15/2026 20:21:58 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 00Z,   1.00,   2.71,   3.35,  99.90,  -0.36,
09/14 01Z,   1.00,   4.18,   4.95,  99.90,  -0.23,
09/14 02Z,   1.00,   4.67,   5.45,  99.90,  -0.22,  (max)
09/14 03Z,   1.00,   4.05,   4.72,  99.90,  -0.33,
09/14 04Z,   1.00,   2.47,   3.26,  99.90,  -0.21,
09/14 05Z,   1.00,   0.19,   1.08,  99.90,  -0.11,
09/14 06Z,   1.00,  -2.38,  -1.62,  99.90,  -0.24,
09/14 07Z,   1.00,  -4.65,  -3.91,  99.90,  -0.26,
09/14 08Z,   1.00,  -5.95,  -5.17,  99.90,  -0.22,  (min)
09/14 09Z,   0.90,  -5.93,  -5.16,  99.90,  -0.13,
09/14 10Z,   0.90,  -4.69,  -3.87,  99.90,  -0.08,
09/14 11Z,   0.90,  -2.63,  -1.99,  99.90,  -0.26,
09/14 12Z,   0.90,  -0.27,   0.36,  99.90,  -0.27,
09/14 13Z,   0.90,   1.85,   2.45,  99.90,  -0.30,
09/14 14Z,   0.90,   3.23,   3.78,  99.90,  -0.35,
09/14 15Z,   0.90,   3.64,   4.12,  99.90,  -0.42,  (max)
09/14 16Z,   0.90,   3.17,   3.58,  99.90,  -0.49,
09/14 17Z,   0.90,   2.01,   2.50,  99.90,  -0.41,
09/14 18Z,   0.90,   0.44,   1.01,  99.90,  -0.33,
09/14 19Z,   0.90,  -1.12,  -0.65,  99.90,  -0.43,
09/14 20Z,   0.90,  -2.15,  -1.73,  99.90,  -0.48,
09/14 21Z,   0.90,  -2.26,  -1.86,  99.90,  -0.50,  (min)
09/14 22Z,   0.80,  -1.42,  -0.92,  99.90,  -0.30,
09/14 23Z,   0.80,   0.07,   0.61,  99.90,  -0.26,
09/15 00Z,   0.80,   1.81,   2.36,  99.90,  -0.25,
09/15 01Z,   0.80,   3.35,   3.96,  99.90,  -0.19,
09/15 02Z,   0.80,   4.22,   4.92,  99.90,  -0.10,  (max)
09/15 03Z,   0.80,   4.12,   4.75,  99.90,  -0.17,
09/15 04Z,   0.80,   3.01,   3.73,  99.90,  -0.08,
09/15 05Z,   0.80,   1.10,   1.92,  99.90,   0.02,
09/15 06Z,   0.80,  -1.30,  -0.56,  99.90,  -0.06,
09/15 07Z,   0.80,  -3.76,  -3.11,  99.90,  -0.15,
09/15 08Z,   0.80,  -5.66,  -5.01,  99.90,  -0.15,
09/15 09Z,   0.80,  -6.46,  -5.78,  99.90,  -0.12,  (min)
09/15 10Z,   0.80,  -5.97,  -5.25,  99.90,  -0.08,
09/15 11Z,   0.80,  -4.41,  -3.76,  99.90,  -0.15,
09/15 12Z,   0.80,  -2.23,  -1.69,  99.90,  -0.26,
09/15 13Z,   0.80,   0.07,   0.61,  99.90,  -0.26,
09/15 14Z,   0.80,   2.00,   2.55,  99.90,  -0.25,
09/15 15Z,   0.80,   3.18,   3.73,  99.90,  -0.25,
09/15 16Z,   0.80,   3.47,   3.96,  99.90,  -0.31,  (max)
09/15 17Z,   0.80,   3.02,   3.50,  99.90,  -0.32,
09/15 18Z,   0.80,   2.05,   2.65,  99.90,  -0.20,
09/15 19Z,   0.80,   0.80,   1.44,  99.90,  -0.16,
09/15 20Z,   0.90,  -0.36,   0.18,  99.90,  -0.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/15 21Z,   0.80,  -1.00,  99.90,  -0.55,  -0.35,  (min)
09/15 22Z,   0.80,  -0.88,  99.90,  -0.42,  -0.34,
09/15 23Z,   0.80,  -0.07,  99.90,   0.41,  -0.32,
09/16 00Z,   0.80,   1.15,  99.90,   1.64,  -0.31,
09/16 01Z,   0.80,   2.44,  99.90,   2.94,  -0.30,
09/16 02Z,   0.80,   3.44,  99.90,   3.95,  -0.29,
09/16 03Z,   0.80,   3.78,  99.90,   4.31,  -0.27,  (max)
09/16 04Z,   0.80,   3.23,  99.90,   3.77,  -0.26,
09/16 05Z,   0.80,   1.82,  99.90,   2.38,  -0.25,
09/16 06Z,   0.80,  -0.20,  99.90,   0.36,  -0.24,
09/16 07Z,   0.80,  -2.52,  99.90,  -1.94,  -0.22,
09/16 08Z,   0.80,  -4.68,  99.90,  -4.09,  -0.21,
09/16 09Z,   0.80,  -6.15,  99.90,  -5.56,  -0.21,
09/16 10Z,   0.80,  -6.49,  99.90,  -5.90,  -0.21,  (min)
09/16 11Z,   0.80,  -5.65,  99.90,  -5.06,  -0.21,
09/16 12Z,   0.80,  -3.94,  99.90,  -3.35,  -0.21,
09/16 13Z,   0.80,  -1.80,  99.90,  -1.21,  -0.21,
09/16 14Z,   0.80,   0.33,  99.90,   0.92,  -0.21,
09/16 15Z,   0.70,   2.04,  99.90,   2.53,  -0.21,
09/16 16Z,   0.70,   3.04,  99.90,   3.53,  -0.21,
09/16 17Z,   0.70,   3.27,  99.90,   3.76,  -0.21,  (max)
09/16 18Z,   0.70,   2.92,  99.90,   3.41,  -0.21,
09/16 19Z,   0.70,   2.18,  99.90,   2.67,  -0.21,
09/16 20Z,   0.70,   1.27,  99.90,   1.76,  -0.21,
09/16 21Z,   0.70,   0.45,  99.90,   0.94,  -0.21,
09/16 22Z,   0.70,   0.06,  99.90,   0.55,  -0.21,  (min)
09/16 23Z,   0.70,   0.23,  99.90,   0.72,  -0.21,
09/17 00Z,   0.70,   0.86,  99.90,   1.35,  -0.21,
09/17 01Z,   0.70,   1.70,  99.90,   2.19,  -0.21,
09/17 02Z,   0.70,   2.53,  99.90,   3.02,  -0.21,
09/17 03Z,   0.70,   3.08,  99.90,   3.57,  -0.21,  (max)
09/17 04Z,   0.70,   3.04,  99.90,   3.53,  -0.21,
09/17 05Z,   0.70,   2.24,  99.90,   2.73,  -0.21,
09/17 06Z,   0.70,   0.75,  99.90,   1.24,  -0.21,
09/17 07Z,   0.70,  -1.19,  99.90,  -0.70,  -0.21,
09/17 08Z,   0.70,  -3.28,  99.90,  -2.79,  -0.21,
09/17 09Z,   0.70,  -5.09,  99.90,  -4.60,  -0.21,
09/17 10Z,   0.70,  -6.16,  99.90,  -5.67,  -0.21,
09/17 11Z,   0.70,  -6.17,  99.90,  -5.68,  -0.21,  (min)
09/17 12Z,   0.70,  -5.17,  99.90,  -4.68,  -0.21,
09/17 13Z,   0.70,  -3.48,  99.90,  -2.99,  -0.21,
09/17 14Z,   0.70,  -1.51,  99.90,  -1.02,  -0.21,
09/17 15Z,   0.70,   0.41,  99.90,   0.90,  -0.21,
09/17 16Z,   0.70,   1.93,  99.90,   2.42,  -0.21,
09/17 17Z,   0.80,   2.81,  99.90,   3.40,  -0.21,
09/17 18Z,   0.80,   3.08,  99.90,   3.67,  -0.21,  (max)
09/17 19Z,   0.80,   2.89,  99.90,   3.48,  -0.21,
09/17 20Z,   0.80,   2.41,  99.90,   3.00,  -0.21,
09/17 21Z,   0.70,   1.77,  99.90,   2.26,  -0.21,
09/17 22Z,   0.80,   1.19,  99.90,   1.78,  -0.21,
09/17 23Z,   0.80,   0.89,  99.90,   1.48,  -0.21,  (min)
09/18 00Z,   0.80,   0.96,  99.90,   1.55,  -0.21,
09/18 01Z,   0.80,   1.29,  99.90,   1.88,  -0.21,
09/18 02Z,   0.80,   1.75,  99.90,   2.34,  -0.21,
09/18 03Z,   0.80,   2.21,  99.90,   2.80,  -0.21,
09/18 04Z,   0.80,   2.46,  99.90,   3.05,  -0.21,  (max)
09/18 05Z,   0.80,   2.24,  99.90,   2.83,  -0.21,
09/18 06Z,   0.80,   1.39,  99.90,   1.98,  -0.21,
09/18 07Z,   0.80,  -0.01,  99.90,   0.58,  -0.21,
09/18 08Z,   0.80,  -1.75,  99.90,  -1.16,  -0.21,
09/18 09Z,   0.80,  -3.56,  99.90,  -2.97,  -0.21,
09/18 10Z,   0.80,  -5.07,  99.90,  -4.48,  -0.21,
09/18 11Z,   0.80,  -5.86,  99.90,  -5.27,  -0.21,  (min)
09/18 12Z,   0.80,  -5.72,  99.90,  -5.13,  -0.21,
09/18 13Z,   0.80,  -4.73,  99.90,  -4.14,  -0.21,
09/18 14Z,   0.80,  -3.20,  99.90,  -2.61,  -0.21,
09/18 15Z,   0.80,  -1.42,  99.90,  -0.83,  -0.21,
09/18 16Z,   0.80,   0.31,  99.90,   0.90,  -0.21,
09/18 17Z,   0.70,   1.71,  99.90,   2.20,  -0.21,
09/18 18Z,   0.70,   2.58,  99.90,   3.07,  -0.21,
09/18 19Z,   0.70,   2.96,  99.90,   3.45,  -0.21,
09/18 20Z,   0.70,   2.97,  99.90,   3.46,  -0.21,  (max)
09/18 21Z,   0.70,   2.71,  99.90,   3.20,  -0.21,
09/18 22Z,   0.70,   2.24,  99.90,   2.73,  -0.21,
09/18 23Z,   0.70,   1.74,  99.90,   2.23,  -0.21,
09/19 00Z,   0.70,   1.38,  99.90,   1.87,  -0.21,
09/19 01Z,   0.70,   1.23,  99.90,   1.72,  -0.21,  (min)
09/19 02Z,   0.70,   1.26,  99.90,   1.75,  -0.21,
09/19 03Z,   0.70,   1.42,  99.90,   1.91,  -0.21,
09/19 04Z,   0.70,   1.67,  99.90,   2.16,  -0.21,
09/19 05Z,   0.70,   1.81,  99.90,   2.30,  -0.21,  (max)
09/19 06Z,   0.70,   1.59,  99.90,   2.08,  -0.21,
09/19 07Z,   0.70,   0.84,  99.90,   1.33,  -0.21,
09/19 08Z,   0.70,  -0.37,  99.90,   0.12,  -0.21,
09/19 09Z,   0.70,  -1.88,  99.90,  -1.39,  -0.21,
09/19 10Z,   0.70,  -3.46,  99.90,  -2.97,  -0.21,
09/19 11Z,   0.70,  -4.79,  99.90,  -4.30,  -0.21,
09/19 12Z,   0.70,  -5.49,  99.90,  -5.00,  -0.21,