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 : 01/20/2026 06:23:32 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 12Z,   0.10,  -0.87,  -1.11,  99.90,  -0.34,
01/18 13Z,   0.10,   0.28,  -0.07,  99.90,  -0.45,
01/18 14Z,   0.10,   0.65,   0.33,  99.90,  -0.42,  (max)
01/18 15Z,   0.10,   0.32,  -0.01,  99.90,  -0.43,
01/18 16Z,   0.10,  -0.61,  -0.73,  99.90,  -0.22,
01/18 17Z,   0.10,  -1.83,  -1.73,  99.90,  -0.00,
01/18 18Z,   0.00,  -2.87,  -2.82,  99.90,   0.05,
01/18 19Z,   0.00,  -3.38,  -3.44,  99.90,  -0.06,  (min)
01/18 20Z,   0.00,  -3.31,  -3.32,  99.90,  -0.01,
01/18 21Z,   0.00,  -2.76,  -2.80,  99.90,  -0.04,
01/18 22Z,   0.00,  -1.98,  -2.06,  99.90,  -0.08,
01/18 23Z,   0.00,  -1.32,  -1.45,  99.90,  -0.13,
01/19 00Z,   0.10,  -1.19,  -1.26,  99.90,  -0.17,  (max)
01/19 01Z,   0.10,  -1.88,  -1.92,  99.90,  -0.14,
01/19 02Z,   0.10,  -3.44,  -3.48,  99.90,  -0.14,
01/19 03Z,   0.10,  -5.68,  -5.69,  99.90,  -0.11,
01/19 04Z,   0.10,  -8.29,  -8.41,  99.90,  -0.22,
01/19 05Z,   0.10, -10.76, -11.01,  99.90,  -0.35,
01/19 06Z,   0.10, -12.45, -12.62,  99.90,  -0.27,
01/19 07Z,   0.10, -12.81, -13.02,  99.90,  -0.31,  (min)
01/19 08Z,   0.10, -11.77, -11.87,  99.90,  -0.20,
01/19 09Z,   0.10,  -9.64,  -9.83,  99.90,  -0.29,
01/19 10Z,   0.10,  -6.89,  -7.07,  99.90,  -0.28,
01/19 11Z,   0.10,  -4.06,  -4.25,  99.90,  -0.29,
01/19 12Z,   0.10,  -1.64,  -1.92,  99.90,  -0.38,
01/19 13Z,   0.10,  -0.01,  -0.45,  99.90,  -0.54,
01/19 14Z,   0.10,   0.71,   0.25,  99.90,  -0.56,  (max)
01/19 15Z,   0.10,   0.61,   0.15,  99.90,  -0.56,
01/19 16Z,   0.10,  -0.18,  -0.46,  99.90,  -0.38,
01/19 17Z,   0.10,  -1.43,  -1.44,  99.90,  -0.11,
01/19 18Z,   0.00,  -2.75,  -2.72,  99.90,   0.03,
01/19 19Z,   0.00,  -3.65,  -3.70,  99.90,  -0.05,
01/19 20Z,   0.00,  -3.87,  -3.95,  99.90,  -0.08,  (min)
01/19 21Z,   0.00,  -3.46,  -3.54,  99.90,  -0.08,
01/19 22Z,   0.00,  -2.66,  -2.76,  99.90,  -0.10,
01/19 23Z,   0.00,  -1.78,  -1.88,  99.90,  -0.10,
01/20 00Z,   0.10,  -1.20,  -1.21,  99.90,  -0.11,  (max)
01/20 01Z,   0.10,  -1.30,  -1.26,  99.90,  -0.06,
01/20 02Z,   0.10,  -2.31,  -2.24,  99.90,  -0.03,
01/20 03Z,   0.10,  -4.15,  -4.07,  99.90,  -0.02,
01/20 04Z,   0.10,  -6.58,  -6.55,  99.90,  -0.07,
01/20 05Z,   0.10,  -9.22,  -9.37,  99.90,  -0.25,
01/20 06Z,   0.10, -11.48, -11.64,  99.90,  -0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/20 07Z,   0.10, -12.71,  99.90, -12.87,  -0.25,  (min)
01/20 08Z,   0.10, -12.50,  99.90, -12.65,  -0.25,
01/20 09Z,   0.10, -10.91,  99.90, -11.05,  -0.25,
01/20 10Z,   0.10,  -8.37,  99.90,  -8.52,  -0.24,
01/20 11Z,   0.10,  -5.45,  99.90,  -5.59,  -0.24,
01/20 12Z,   0.20,  -2.67,  99.90,  -2.71,  -0.24,
01/20 13Z,   0.20,  -0.53,  99.90,  -0.56,  -0.23,
01/20 14Z,   0.20,   0.66,  99.90,   0.63,  -0.23,
01/20 15Z,   0.20,   0.88,  99.90,   0.85,  -0.22,  (max)
01/20 16Z,   0.20,   0.27,  99.90,   0.25,  -0.22,
01/20 17Z,   0.20,  -0.95,  99.90,  -0.97,  -0.22,
01/20 18Z,   0.20,  -2.47,  99.90,  -2.49,  -0.21,
01/20 19Z,   0.20,  -3.80,  99.90,  -3.81,  -0.21,
01/20 20Z,   0.20,  -4.48,  99.90,  -4.50,  -0.21,  (min)
01/20 21Z,   0.20,  -4.36,  99.90,  -4.38,  -0.21,
01/20 22Z,   0.20,  -3.63,  99.90,  -3.65,  -0.21,
01/20 23Z,   0.20,  -2.63,  99.90,  -2.64,  -0.21,
01/21 00Z,   0.20,  -1.70,  99.90,  -1.72,  -0.21,
01/21 01Z,   0.20,  -1.24,  99.90,  -1.26,  -0.21,  (max)
01/21 02Z,   0.20,  -1.59,  99.90,  -1.60,  -0.21,
01/21 03Z,   0.20,  -2.86,  99.90,  -2.87,  -0.21,
01/21 04Z,   0.20,  -4.89,  99.90,  -4.90,  -0.21,
01/21 05Z,   0.20,  -7.37,  99.90,  -7.39,  -0.21,
01/21 06Z,   0.20,  -9.86,  99.90,  -9.88,  -0.21,
01/21 07Z,   0.20, -11.75,  99.90, -11.76,  -0.21,
01/21 08Z,   0.20, -12.43,  99.90, -12.45,  -0.21,  (min)
01/21 09Z,   0.20, -11.63,  99.90, -11.65,  -0.21,
01/21 10Z,   0.20,  -9.58,  99.90,  -9.59,  -0.21,
01/21 11Z,   0.20,  -6.80,  99.90,  -6.81,  -0.21,
01/21 12Z,   0.20,  -3.87,  99.90,  -3.88,  -0.21,
01/21 13Z,   0.20,  -1.32,  99.90,  -1.33,  -0.21,
01/21 14Z,   0.20,   0.40,  99.90,   0.39,  -0.21,
01/21 15Z,   0.20,   1.07,  99.90,   1.05,  -0.21,  (max)
01/21 16Z,   0.20,   0.73,  99.90,   0.71,  -0.21,
01/21 17Z,   0.20,  -0.40,  99.90,  -0.41,  -0.21,
01/21 18Z,   0.20,  -2.01,  99.90,  -2.02,  -0.21,
01/21 19Z,   0.20,  -3.70,  99.90,  -3.71,  -0.21,
01/21 20Z,   0.20,  -4.95,  99.90,  -4.96,  -0.21,
01/21 21Z,   0.20,  -5.36,  99.90,  -5.37,  -0.21,  (min)
01/21 22Z,   0.20,  -4.90,  99.90,  -4.92,  -0.21,
01/21 23Z,   0.20,  -3.90,  99.90,  -3.91,  -0.21,
01/22 00Z,   0.20,  -2.74,  99.90,  -2.75,  -0.21,
01/22 01Z,   0.20,  -1.81,  99.90,  -1.82,  -0.21,
01/22 02Z,   0.20,  -1.48,  99.90,  -1.49,  -0.21,  (max)
01/22 03Z,   0.20,  -2.01,  99.90,  -2.03,  -0.21,
01/22 04Z,   0.30,  -3.43,  99.90,  -3.34,  -0.21,
01/22 05Z,   0.30,  -5.50,  99.90,  -5.41,  -0.21,
01/22 06Z,   0.30,  -7.86,  99.90,  -7.77,  -0.21,
01/22 07Z,   0.30, -10.02,  99.90,  -9.94,  -0.21,
01/22 08Z,   0.30, -11.42,  99.90, -11.33,  -0.21,
01/22 09Z,   0.30, -11.52,  99.90, -11.43,  -0.21,  (min)
01/22 10Z,   0.30, -10.22,  99.90, -10.13,  -0.21,
01/22 11Z,   0.30,  -7.86,  99.90,  -7.78,  -0.21,
01/22 12Z,   0.30,  -5.04,  99.90,  -4.95,  -0.21,
01/22 13Z,   0.30,  -2.30,  99.90,  -2.22,  -0.21,
01/22 14Z,   0.30,  -0.15,  99.90,  -0.06,  -0.21,
01/22 15Z,   0.20,   1.04,  99.90,   1.03,  -0.21,
01/22 16Z,   0.20,   1.11,  99.90,   1.10,  -0.21,  (max)
01/22 17Z,   0.20,   0.21,  99.90,   0.20,  -0.21,
01/22 18Z,   0.20,  -1.38,  99.90,  -1.40,  -0.21,
01/22 19Z,   0.20,  -3.30,  99.90,  -3.31,  -0.21,
01/22 20Z,   0.20,  -5.07,  99.90,  -5.08,  -0.21,
01/22 21Z,   0.20,  -6.17,  99.90,  -6.18,  -0.21,
01/22 22Z,   0.20,  -6.28,  99.90,  -6.30,  -0.21,  (min)
01/22 23Z,   0.20,  -5.53,  99.90,  -5.54,  -0.21,
01/23 00Z,   0.20,  -4.30,  99.90,  -4.31,  -0.21,
01/23 01Z,   0.20,  -3.03,  99.90,  -3.05,  -0.21,
01/23 02Z,   0.20,  -2.11,  99.90,  -2.12,  -0.21,
01/23 03Z,   0.20,  -1.85,  99.90,  -1.86,  -0.21,  (max)
01/23 04Z,   0.20,  -2.46,  99.90,  -2.48,  -0.21,
01/23 05Z,   0.20,  -3.88,  99.90,  -3.89,  -0.21,
01/23 06Z,   0.20,  -5.80,  99.90,  -5.81,  -0.21,
01/23 07Z,   0.20,  -7.85,  99.90,  -7.86,  -0.21,
01/23 08Z,   0.20,  -9.56,  99.90,  -9.58,  -0.21,
01/23 09Z,   0.20, -10.42,  99.90, -10.43,  -0.21,  (min)
01/23 10Z,   0.20, -10.01,  99.90, -10.03,  -0.21,
01/23 11Z,   0.20,  -8.38,  99.90,  -8.39,  -0.21,
01/23 12Z,   0.20,  -5.95,  99.90,  -5.97,  -0.21,
01/23 13Z,   0.20,  -3.31,  99.90,  -3.32,  -0.21,
01/23 14Z,   0.20,  -0.95,  99.90,  -0.96,  -0.21,
01/23 15Z,   0.20,   0.68,  99.90,   0.67,  -0.21,
01/23 16Z,   0.20,   1.28,  99.90,   1.27,  -0.21,  (max)
01/23 17Z,   0.20,   0.77,  99.90,   0.75,  -0.21,
01/23 18Z,   0.20,  -0.65,  99.90,  -0.66,  -0.21,
01/23 19Z,   0.20,  -2.62,  99.90,  -2.63,  -0.21,
01/23 20Z,   0.20,  -4.74,  99.90,  -4.75,  -0.21,
01/23 21Z,   0.20,  -6.50,  99.90,  -6.51,  -0.21,
01/23 22Z,   0.20,  -7.41,  99.90,  -7.42,  -0.21,  (min)
01/23 23Z,   0.20,  -7.26,  99.90,  -7.27,  -0.21,
01/24 00Z,   0.20,  -6.26,  99.90,  -6.27,  -0.21,