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
#Seattle, WA : 09/14/2026 10:23:42 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 18Z,   0.90,  -8.77,  -8.02,  99.90,  -0.15,
09/12 19Z,   0.90,  -9.73,  -9.02,  99.90,  -0.19,  (min)
09/12 20Z,   0.90,  -9.38,  -8.71,  99.90,  -0.23,
09/12 21Z,   0.90,  -7.87,  -7.12,  99.90,  -0.15,
09/12 22Z,   0.90,  -5.61,  -4.92,  99.90,  -0.21,
09/12 23Z,   0.90,  -3.16,  -2.34,  99.90,  -0.08,
09/13 00Z,   1.00,  -1.11,  -0.22,  99.90,  -0.11,
09/13 01Z,   1.00,   0.02,   0.93,  99.90,  -0.09,  (max)
09/13 02Z,   1.00,   0.02,   0.77,  99.90,  -0.25,
09/13 03Z,   1.00,  -1.04,  -0.38,  99.90,  -0.34,
09/13 04Z,   1.00,  -2.98,  -2.12,  99.90,  -0.14,
09/13 05Z,   1.00,  -5.46,  -4.65,  99.90,  -0.19,
09/13 06Z,   1.00,  -7.93,  -7.13,  99.90,  -0.20,
09/13 07Z,   1.00,  -9.66,  -8.94,  99.90,  -0.28,
09/13 08Z,   1.00, -10.17,  -9.41,  99.90,  -0.24,  (min)
09/13 09Z,   1.00,  -9.38,  -8.51,  99.90,  -0.13,
09/13 10Z,   1.00,  -7.59,  -6.74,  99.90,  -0.15,
09/13 11Z,   1.00,  -5.30,  -4.53,  99.90,  -0.23,
09/13 12Z,   0.90,  -3.09,  -2.29,  99.90,  -0.10,
09/13 13Z,   1.00,  -1.53,  -0.70,  99.90,  -0.17,
09/13 14Z,   1.00,  -0.96,  -0.12,  99.90,  -0.16,  (max)
09/13 15Z,   1.00,  -1.39,  -0.68,  99.90,  -0.29,
09/13 16Z,   1.00,  -2.65,  -1.85,  99.90,  -0.20,
09/13 17Z,   1.00,  -4.48,  -3.58,  99.90,  -0.10,
09/13 18Z,   1.00,  -6.44,  -5.67,  99.90,  -0.23,
09/13 19Z,   1.00,  -7.93,  -7.29,  99.90,  -0.36,
09/13 20Z,   1.00,  -8.42,  -7.83,  99.90,  -0.41,  (min)
09/13 21Z,   1.00,  -7.75,  -7.17,  99.90,  -0.42,
09/13 22Z,   1.00,  -6.15,  -5.58,  99.90,  -0.43,
09/13 23Z,   0.90,  -4.07,  -3.48,  99.90,  -0.31,
09/14 00Z,   1.00,  -2.01,  -1.37,  99.90,  -0.36,
09/14 01Z,   1.00,  -0.54,   0.23,  99.90,  -0.23,
09/14 02Z,   1.00,  -0.05,   0.73,  99.90,  -0.22,  (max)
09/14 03Z,   1.00,  -0.67,  -0.00,  99.90,  -0.33,
09/14 04Z,   1.00,  -2.25,  -1.46,  99.90,  -0.21,
09/14 05Z,   1.00,  -4.53,  -3.64,  99.90,  -0.11,
09/14 06Z,   1.00,  -7.10,  -6.34,  99.90,  -0.24,
09/14 07Z,   1.00,  -9.37,  -8.63,  99.90,  -0.26,
09/14 08Z,   1.00, -10.67,  -9.89,  99.90,  -0.22,  (min)
09/14 09Z,   0.90, -10.65,  -9.88,  99.90,  -0.13,
09/14 10Z,   0.90,  -9.41,  -8.59,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 11Z,   0.90,  -7.35,  99.90,  -6.54,  -0.08,
09/14 12Z,   0.90,  -4.99,  99.90,  -4.18,  -0.09,
09/14 13Z,   0.90,  -2.87,  99.90,  -2.07,  -0.10,
09/14 14Z,   0.90,  -1.49,  99.90,  -0.70,  -0.11,
09/14 15Z,   0.90,  -1.08,  99.90,  -0.29,  -0.12,  (max)
09/14 16Z,   0.90,  -1.55,  99.90,  -0.78,  -0.12,
09/14 17Z,   0.80,  -2.71,  99.90,  -2.04,  -0.13,
09/14 18Z,   0.80,  -4.28,  99.90,  -3.61,  -0.14,
09/14 19Z,   0.80,  -5.84,  99.90,  -5.18,  -0.15,
09/14 20Z,   0.80,  -6.87,  99.90,  -6.22,  -0.15,
09/14 21Z,   0.80,  -6.98,  99.90,  -6.34,  -0.16,  (min)
09/14 22Z,   0.80,  -6.14,  99.90,  -5.51,  -0.17,
09/14 23Z,   0.80,  -4.65,  99.90,  -4.02,  -0.17,
09/15 00Z,   0.80,  -2.91,  99.90,  -2.28,  -0.17,
09/15 01Z,   0.80,  -1.37,  99.90,  -0.74,  -0.17,
09/15 02Z,   0.80,  -0.50,  99.90,   0.13,  -0.17,  (max)
09/15 03Z,   0.80,  -0.60,  99.90,   0.03,  -0.17,
09/15 04Z,   0.80,  -1.71,  99.90,  -1.08,  -0.17,
09/15 05Z,   0.80,  -3.62,  99.90,  -2.99,  -0.17,
09/15 06Z,   0.80,  -6.02,  99.90,  -5.39,  -0.17,
09/15 07Z,   0.80,  -8.48,  99.90,  -7.84,  -0.17,
09/15 08Z,   0.80, -10.38,  99.90,  -9.75,  -0.17,
09/15 09Z,   0.80, -11.18,  99.90, -10.55,  -0.17,  (min)
09/15 10Z,   0.80, -10.69,  99.90, -10.06,  -0.17,
09/15 11Z,   0.80,  -9.13,  99.90,  -8.49,  -0.17,
09/15 12Z,   0.80,  -6.95,  99.90,  -6.32,  -0.17,
09/15 13Z,   0.80,  -4.65,  99.90,  -4.02,  -0.17,
09/15 14Z,   0.80,  -2.72,  99.90,  -2.08,  -0.17,
09/15 15Z,   0.80,  -1.54,  99.90,  -0.91,  -0.17,
09/15 16Z,   0.80,  -1.25,  99.90,  -0.62,  -0.17,  (max)
09/15 17Z,   0.90,  -1.70,  99.90,  -0.97,  -0.17,
09/15 18Z,   0.90,  -2.67,  99.90,  -1.94,  -0.17,
09/15 19Z,   0.90,  -3.92,  99.90,  -3.19,  -0.17,
09/15 20Z,   0.80,  -5.08,  99.90,  -4.45,  -0.17,
09/15 21Z,   0.80,  -5.72,  99.90,  -5.09,  -0.17,  (min)
09/15 22Z,   0.80,  -5.60,  99.90,  -4.97,  -0.17,
09/15 23Z,   0.80,  -4.79,  99.90,  -4.16,  -0.17,
09/16 00Z,   0.80,  -3.57,  99.90,  -2.94,  -0.17,
09/16 01Z,   0.80,  -2.28,  99.90,  -1.65,  -0.17,
09/16 02Z,   0.80,  -1.28,  99.90,  -0.65,  -0.17,
09/16 03Z,   0.80,  -0.94,  99.90,  -0.31,  -0.17,  (max)
09/16 04Z,   0.80,  -1.49,  99.90,  -0.86,  -0.17,
09/16 05Z,   0.80,  -2.90,  99.90,  -2.27,  -0.17,
09/16 06Z,   0.80,  -4.92,  99.90,  -4.29,  -0.17,
09/16 07Z,   0.80,  -7.24,  99.90,  -6.60,  -0.17,
09/16 08Z,   0.80,  -9.40,  99.90,  -8.77,  -0.17,
09/16 09Z,   0.80, -10.87,  99.90, -10.24,  -0.17,
09/16 10Z,   0.80, -11.21,  99.90, -10.58,  -0.17,  (min)
09/16 11Z,   0.80, -10.37,  99.90,  -9.74,  -0.17,
09/16 12Z,   0.80,  -8.66,  99.90,  -8.03,  -0.17,
09/16 13Z,   0.70,  -6.52,  99.90,  -5.99,  -0.17,
09/16 14Z,   0.70,  -4.39,  99.90,  -3.86,  -0.17,
09/16 15Z,   0.70,  -2.68,  99.90,  -2.15,  -0.17,
09/16 16Z,   0.70,  -1.68,  99.90,  -1.15,  -0.17,
09/16 17Z,   0.70,  -1.45,  99.90,  -0.92,  -0.17,  (max)
09/16 18Z,   0.70,  -1.80,  99.90,  -1.27,  -0.17,
09/16 19Z,   0.70,  -2.54,  99.90,  -2.01,  -0.17,
09/16 20Z,   0.70,  -3.45,  99.90,  -2.92,  -0.17,
09/16 21Z,   0.70,  -4.27,  99.90,  -3.74,  -0.17,
09/16 22Z,   0.70,  -4.66,  99.90,  -4.13,  -0.17,  (min)
09/16 23Z,   0.70,  -4.49,  99.90,  -3.96,  -0.17,
09/17 00Z,   0.70,  -3.86,  99.90,  -3.33,  -0.17,
09/17 01Z,   0.70,  -3.02,  99.90,  -2.49,  -0.17,
09/17 02Z,   0.70,  -2.19,  99.90,  -1.66,  -0.17,
09/17 03Z,   0.70,  -1.64,  99.90,  -1.11,  -0.17,  (max)
09/17 04Z,   0.70,  -1.68,  99.90,  -1.15,  -0.17,
09/17 05Z,   0.70,  -2.48,  99.90,  -1.95,  -0.17,
09/17 06Z,   0.70,  -3.97,  99.90,  -3.44,  -0.17,
09/17 07Z,   0.70,  -5.91,  99.90,  -5.38,  -0.17,
09/17 08Z,   0.70,  -8.00,  99.90,  -7.47,  -0.17,
09/17 09Z,   0.70,  -9.81,  99.90,  -9.28,  -0.17,
09/17 10Z,   0.70, -10.88,  99.90, -10.35,  -0.17,
09/17 11Z,   0.70, -10.89,  99.90, -10.36,  -0.17,  (min)
09/17 12Z,   0.70,  -9.89,  99.90,  -9.36,  -0.17,
09/17 13Z,   0.70,  -8.20,  99.90,  -7.67,  -0.17,
09/17 14Z,   0.70,  -6.23,  99.90,  -5.70,  -0.17,
09/17 15Z,   0.70,  -4.31,  99.90,  -3.78,  -0.17,
09/17 16Z,   0.70,  -2.79,  99.90,  -2.26,  -0.17,
09/17 17Z,   0.80,  -1.91,  99.90,  -1.28,  -0.17,
09/17 18Z,   0.80,  -1.64,  99.90,  -1.01,  -0.17,  (max)
09/17 19Z,   0.80,  -1.83,  99.90,  -1.20,  -0.17,
09/17 20Z,   0.80,  -2.31,  99.90,  -1.68,  -0.17,
09/17 21Z,   0.80,  -2.95,  99.90,  -2.32,  -0.17,
09/17 22Z,   0.80,  -3.53,  99.90,  -2.90,  -0.17,
09/17 23Z,   0.80,  -3.83,  99.90,  -3.20,  -0.17,  (min)
09/18 00Z,   0.80,  -3.76,  99.90,  -3.13,  -0.17,
09/18 01Z,  99.90,  -3.43,  99.90,  99.90,  -0.17,
09/18 02Z,  99.90,  -2.97,  99.90,  99.90,  -0.17,
09/18 03Z,  99.90,  -2.51,  99.90,  99.90,  -0.17,
09/18 04Z,  99.90,  -2.26,  99.90,  99.90,  -0.17,
09/18 05Z,  99.90,  -2.48,  99.90,  99.90,  -0.17,
09/18 06Z,  99.90,  -3.33,  99.90,  99.90,  -0.17,