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 : 10/16/2026 14:25:43 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 18Z,   0.80,  -1.74,  -1.56,  99.90,  -0.62,
10/14 19Z,   0.80,  -2.86,  -2.79,  99.90,  -0.73,
10/14 20Z,   0.80,  -3.82,  -3.89,  99.90,  -0.87,
10/14 21Z,   0.80,  -4.26,  -4.41,  99.90,  -0.95,  (min)
10/14 22Z,   0.80,  -4.08,  -4.23,  99.90,  -0.95,
10/14 23Z,   0.80,  -3.44,  -3.55,  99.90,  -0.91,
10/15 00Z,   0.70,  -2.62,  -2.66,  99.90,  -0.74,
10/15 01Z,   0.70,  -1.90,  -1.83,  99.90,  -0.63,
10/15 02Z,   0.70,  -1.60,  -1.38,  99.90,  -0.48,  (max)
10/15 03Z,   0.70,  -2.02,  -1.74,  99.90,  -0.42,
10/15 04Z,   0.70,  -3.25,  -2.90,  99.90,  -0.35,
10/15 05Z,   0.70,  -5.15,  -4.77,  99.90,  -0.32,
10/15 06Z,   0.70,  -7.42,  -7.14,  99.90,  -0.42,
10/15 07Z,   0.60,  -9.67,  -9.55,  99.90,  -0.48,
10/15 08Z,   0.60, -11.40, -11.25,  99.90,  -0.45,
10/15 09Z,   0.60, -12.10, -11.78,  99.90,  -0.28,  (min)
10/15 10Z,   0.60, -11.52, -11.17,  99.90,  -0.25,
10/15 11Z,   0.60,  -9.84,  -9.61,  99.90,  -0.37,
10/15 12Z,   0.60,  -7.53,  -7.40,  99.90,  -0.47,
10/15 13Z,   0.60,  -5.06,  -4.92,  99.90,  -0.46,
10/15 14Z,   0.60,  -2.87,  -2.75,  99.90,  -0.48,
10/15 15Z,   0.60,  -1.32,  -1.31,  99.90,  -0.59,
10/15 16Z,   0.60,  -0.57,  -0.60,  99.90,  -0.63,  (max)
10/15 17Z,   0.60,  -0.55,  -0.61,  99.90,  -0.66,
10/15 18Z,   0.60,  -1.03,  -1.02,  99.90,  -0.59,
10/15 19Z,   0.60,  -1.83,  -1.79,  99.90,  -0.56,
10/15 20Z,   0.60,  -2.75,  -2.82,  99.90,  -0.67,
10/15 21Z,   0.50,  -3.49,  -3.63,  99.90,  -0.64,
10/15 22Z,   0.50,  -3.79,  -3.94,  99.90,  -0.65,  (min)
10/15 23Z,   0.50,  -3.63,  -3.73,  99.90,  -0.60,
10/16 00Z,   0.60,  -3.19,  -3.13,  99.90,  -0.54,
10/16 01Z,   0.60,  -2.67,  -2.50,  99.90,  -0.43,
10/16 02Z,   0.60,  -2.27,  -2.01,  99.90,  -0.34,
10/16 03Z,   0.60,  -2.27,  -1.94,  99.90,  -0.27,  (max)
10/16 04Z,   0.60,  -2.89,  -2.53,  99.90,  -0.24,
10/16 05Z,   0.60,  -4.20,  -3.83,  99.90,  -0.23,
10/16 06Z,   0.60,  -6.02,  -5.65,  99.90,  -0.23,
10/16 07Z,   0.60,  -8.06,  -7.81,  99.90,  -0.35,
10/16 08Z,   0.60,  -9.97,  -9.74,  99.90,  -0.37,
10/16 09Z,   0.60, -11.29, -10.90,  99.90,  -0.21,
10/16 10Z,   0.60, -11.58, -11.05,  99.90,  -0.07,  (min)
10/16 11Z,   0.70, -10.73, -10.17,  99.90,  -0.14,
10/16 12Z,   0.70,  -9.00,  -8.62,  99.90,  -0.32,
10/16 13Z,   0.70,  -6.82,  -6.40,  99.90,  -0.28,
10/16 14Z,   0.70,  -4.59,  -4.14,  99.90,  -0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 15Z,   0.70,  -2.69,  99.90,  -2.25,  -0.26,
10/16 16Z,   0.70,  -1.39,  99.90,  -0.97,  -0.28,
10/16 17Z,   0.70,  -0.80,  99.90,  -0.40,  -0.30,  (max)
10/16 18Z,   0.70,  -0.81,  99.90,  -0.43,  -0.32,
10/16 19Z,   0.70,  -1.22,  99.90,  -0.86,  -0.34,
10/16 20Z,   0.70,  -1.89,  99.90,  -1.54,  -0.35,
10/16 21Z,   0.80,  -2.65,  99.90,  -2.22,  -0.37,
10/16 22Z,   0.80,  -3.26,  99.90,  -2.85,  -0.39,
10/16 23Z,   0.80,  -3.54,  99.90,  -3.14,  -0.41,  (min)
10/17 00Z,   0.80,  -3.50,  99.90,  -3.12,  -0.42,
10/17 01Z,   0.80,  -3.28,  99.90,  -2.93,  -0.44,
10/17 02Z,   0.80,  -3.02,  99.90,  -2.68,  -0.46,
10/17 03Z,   0.80,  -2.84,  99.90,  -2.50,  -0.46,  (max)
10/17 04Z,   0.90,  -2.97,  99.90,  -2.53,  -0.46,
10/17 05Z,   0.90,  -3.63,  99.90,  -3.19,  -0.46,
10/17 06Z,   0.90,  -4.85,  99.90,  -4.41,  -0.46,
10/17 07Z,   0.90,  -6.48,  99.90,  -6.04,  -0.46,
10/17 08Z,   0.90,  -8.25,  99.90,  -7.81,  -0.46,
10/17 09Z,   0.90,  -9.85,  99.90,  -9.41,  -0.46,
10/17 10Z,   0.90, -10.85,  99.90, -10.41,  -0.46,  (min)
10/17 11Z,   1.00, -10.91,  99.90, -10.37,  -0.46,
10/17 12Z,   1.00,  -9.98,  99.90,  -9.44,  -0.46,
10/17 13Z,   1.00,  -8.35,  99.90,  -7.81,  -0.46,
10/17 14Z,   1.00,  -6.39,  99.90,  -5.85,  -0.46,
10/17 15Z,   1.00,  -4.41,  99.90,  -3.87,  -0.46,
10/17 16Z,   1.00,  -2.72,  99.90,  -2.18,  -0.46,
10/17 17Z,   1.00,  -1.58,  99.90,  -1.03,  -0.46,
10/17 18Z,   1.00,  -1.04,  99.90,  -0.50,  -0.46,
10/17 19Z,   1.00,  -1.01,  99.90,  -0.47,  -0.46,  (max)
10/17 20Z,   1.00,  -1.33,  99.90,  -0.79,  -0.46,
10/17 21Z,   0.90,  -1.91,  99.90,  -1.47,  -0.46,
10/17 22Z,   0.90,  -2.60,  99.90,  -2.16,  -0.46,
10/17 23Z,   0.90,  -3.20,  99.90,  -2.76,  -0.46,
10/18 00Z,   0.90,  -3.56,  99.90,  -3.12,  -0.46,
10/18 01Z,   0.90,  -3.70,  99.90,  -3.26,  -0.46,  (min)
10/18 02Z,   0.90,  -3.69,  99.90,  -3.24,  -0.46,
10/18 03Z,   0.90,  -3.57,  99.90,  -3.13,  -0.46,
10/18 04Z,   0.90,  -3.46,  99.90,  -3.02,  -0.46,  (max)
10/18 05Z,   0.90,  -3.57,  99.90,  -3.13,  -0.46,
10/18 06Z,   0.90,  -4.12,  99.90,  -3.68,  -0.46,
10/18 07Z,   0.90,  -5.17,  99.90,  -4.73,  -0.46,
10/18 08Z,   0.80,  -6.56,  99.90,  -6.22,  -0.46,
10/18 09Z,   0.80,  -8.08,  99.90,  -7.74,  -0.46,
10/18 10Z,   0.80,  -9.45,  99.90,  -9.11,  -0.46,
10/18 11Z,   0.80, -10.28,  99.90,  -9.94,  -0.46,
10/18 12Z,   0.70, -10.27,  99.90, -10.03,  -0.46,  (min)
10/18 13Z,   0.70,  -9.41,  99.90,  -9.17,  -0.46,
10/18 14Z,   0.70,  -7.96,  99.90,  -7.72,  -0.46,
10/18 15Z,   0.70,  -6.20,  99.90,  -5.96,  -0.46,
10/18 16Z,   0.70,  -4.39,  99.90,  -4.15,  -0.46,
10/18 17Z,   0.70,  -2.81,  99.90,  -2.57,  -0.46,
10/18 18Z,   0.70,  -1.71,  99.90,  -1.47,  -0.46,
10/18 19Z,   0.70,  -1.16,  99.90,  -0.92,  -0.46,
10/18 20Z,   0.70,  -1.08,  99.90,  -0.84,  -0.46,  (max)
10/18 21Z,   0.70,  -1.36,  99.90,  -1.12,  -0.46,
10/18 22Z,   0.70,  -1.94,  99.90,  -1.70,  -0.46,
10/18 23Z,   0.70,  -2.70,  99.90,  -2.46,  -0.46,
10/19 00Z,   0.70,  -3.41,  99.90,  -3.17,  -0.46,
10/19 01Z,   0.80,  -3.93,  99.90,  -3.58,  -0.46,
10/19 02Z,   0.80,  -4.22,  99.90,  -3.88,  -0.46,
10/19 03Z,   0.80,  -4.31,  99.90,  -3.97,  -0.46,  (min)
10/19 04Z,   0.80,  -4.20,  99.90,  -3.85,  -0.46,
10/19 05Z,   0.80,  -3.99,  99.90,  -3.65,  -0.46,
10/19 06Z,   0.90,  -3.95,  99.90,  -3.50,  -0.46,  (max)
10/19 07Z,   0.90,  -4.32,  99.90,  -3.87,  -0.46,
10/19 08Z,   0.90,  -5.15,  99.90,  -4.71,  -0.46,
10/19 09Z,   0.90,  -6.33,  99.90,  -5.89,  -0.46,
10/19 10Z,   0.90,  -7.69,  99.90,  -7.25,  -0.46,
10/19 11Z,   0.90,  -8.95,  99.90,  -8.51,  -0.46,
10/19 12Z,   0.90,  -9.74,  99.90,  -9.30,  -0.46,
10/19 13Z,   0.90,  -9.78,  99.90,  -9.34,  -0.46,  (min)
10/19 14Z,   1.00,  -9.04,  99.90,  -8.50,  -0.46,
10/19 15Z,   1.00,  -7.73,  99.90,  -7.19,  -0.46,
10/19 16Z,   1.00,  -6.08,  99.90,  -5.54,  -0.46,
10/19 17Z,   1.00,  -4.32,  99.90,  -3.78,  -0.46,
10/19 18Z,   1.00,  -2.75,  99.90,  -2.21,  -0.46,
10/19 19Z,   1.00,  -1.64,  99.90,  -1.09,  -0.46,
10/19 20Z,   1.00,  -1.08,  99.90,  -0.54,  -0.46,
10/19 21Z,   1.00,  -1.02,  99.90,  -0.48,  -0.46,  (max)
10/19 22Z,   1.00,  -1.39,  99.90,  -0.85,  -0.46,
10/19 23Z,   1.00,  -2.13,  99.90,  -1.59,  -0.46,
10/20 00Z,   1.00,  -3.09,  99.90,  -2.55,  -0.46,
10/20 01Z,   1.00,  -3.99,  99.90,  -3.45,  -0.46,
10/20 02Z,   1.00,  -4.65,  99.90,  -4.11,  -0.46,
10/20 03Z,   1.00,  -5.01,  99.90,  -4.47,  -0.46,
10/20 04Z,   1.00,  -5.04,  99.90,  -4.49,  -0.46,  (min)
10/20 05Z,   1.00,  -4.75,  99.90,  -4.20,  -0.46,
10/20 06Z,   1.00,  -4.31,  99.90,  -3.76,  -0.46,