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 : 01/24/2026 18:23:33 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 00Z,   0.30,  -4.30,  -4.50,  99.90,  -0.50,
01/23 01Z,   0.30,  -3.03,  -3.30,  99.90,  -0.57,
01/23 02Z,   0.30,  -2.11,  -2.28,  99.90,  -0.47,
01/23 03Z,   0.30,  -1.85,  -1.98,  99.90,  -0.43,  (max)
01/23 04Z,   0.30,  -2.46,  -2.63,  99.90,  -0.47,
01/23 05Z,   0.30,  -3.88,  -3.95,  99.90,  -0.37,
01/23 06Z,   0.30,  -5.80,  -5.88,  99.90,  -0.38,
01/23 07Z,   0.30,  -7.85,  -8.10,  99.90,  -0.55,
01/23 08Z,   0.30,  -9.56,  -9.90,  99.90,  -0.64,
01/23 09Z,   0.30, -10.42, -10.65,  99.90,  -0.53,  (min)
01/23 10Z,   0.30, -10.01, -10.12,  99.90,  -0.41,
01/23 11Z,   0.30,  -8.38,  -8.54,  99.90,  -0.46,
01/23 12Z,   0.20,  -5.95,  -6.26,  99.90,  -0.51,
01/23 13Z,   0.20,  -3.31,  -3.58,  99.90,  -0.47,
01/23 14Z,   0.20,  -0.95,  -1.20,  99.90,  -0.45,
01/23 15Z,   0.20,   0.68,   0.25,  99.90,  -0.63,
01/23 16Z,   0.20,   1.28,   0.70,  99.90,  -0.78,  (max)
01/23 17Z,   0.20,   0.77,   0.22,  99.90,  -0.75,
01/23 18Z,   0.10,  -0.65,  -0.90,  99.90,  -0.35,
01/23 19Z,   0.10,  -2.62,  -2.62,  99.90,  -0.10,
01/23 20Z,   0.10,  -4.74,  -4.74,  99.90,  -0.10,
01/23 21Z,   0.10,  -6.50,  -6.45,  99.90,  -0.05,
01/23 22Z,   0.10,  -7.41,  -7.37,  99.90,  -0.06,  (min)
01/23 23Z,   0.10,  -7.26,  -7.31,  99.90,  -0.15,
01/24 00Z,   0.20,  -6.26,  -6.48,  99.90,  -0.42,
01/24 01Z,   0.20,  -4.87,  -5.36,  99.90,  -0.69,
01/24 02Z,   0.10,  -3.51,  -4.02,  99.90,  -0.61,
01/24 03Z,   0.10,  -2.54,  -3.03,  99.90,  -0.59,
01/24 04Z,   0.10,  -2.27,  -2.77,  99.90,  -0.60,  (max)
01/24 05Z,   0.10,  -2.82,  -3.34,  99.90,  -0.62,
01/24 06Z,   0.10,  -4.06,  -4.53,  99.90,  -0.57,
01/24 07Z,   0.10,  -5.66,  -6.11,  99.90,  -0.55,
01/24 08Z,   0.10,  -7.27,  -7.85,  99.90,  -0.68,
01/24 09Z,   0.10,  -8.48,  -9.11,  99.90,  -0.73,
01/24 10Z,   0.10,  -8.84,  -9.37,  99.90,  -0.63,  (min)
01/24 11Z,   0.10,  -8.10,  -8.56,  99.90,  -0.56,
01/24 12Z,   0.00,  -6.37,  -6.88,  99.90,  -0.51,
01/24 13Z,   0.00,  -4.11,  -4.64,  99.90,  -0.53,
01/24 14Z,   0.00,  -1.83,  -2.30,  99.90,  -0.47,
01/24 15Z,   0.00,   0.02,  -0.38,  99.90,  -0.40,
01/24 16Z,   0.00,   1.08,   0.64,  99.90,  -0.44,  (max)
01/24 17Z,   0.00,   1.10,   0.57,  99.90,  -0.53,
01/24 18Z,   0.00,   0.08,  -0.29,  99.90,  -0.37,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/24 19Z,   0.00,  -1.74,  99.90,  -2.10,  -0.36,
01/24 20Z,   0.00,  -3.96,  99.90,  -4.33,  -0.36,
01/24 21Z,   0.00,  -6.18,  99.90,  -6.54,  -0.36,
01/24 22Z,   0.00,  -7.88,  99.90,  -8.23,  -0.36,
01/24 23Z,   0.00,  -8.61,  99.90,  -8.96,  -0.35,  (min)
01/25 00Z,   0.00,  -8.25,  99.90,  -8.61,  -0.35,
01/25 01Z,   0.00,  -7.09,  99.90,  -7.44,  -0.35,
01/25 02Z,   0.00,  -5.57,  99.90,  -5.92,  -0.35,
01/25 03Z,   0.00,  -4.11,  99.90,  -4.45,  -0.35,
01/25 04Z,   0.00,  -3.04,  99.90,  -3.38,  -0.34,
01/25 05Z,   0.00,  -2.63,  99.90,  -2.98,  -0.34,  (max)
01/25 06Z,   0.10,  -2.97,  99.90,  -3.21,  -0.34,
01/25 07Z,   0.10,  -3.87,  99.90,  -4.10,  -0.34,
01/25 08Z,   0.10,  -5.03,  99.90,  -5.27,  -0.34,
01/25 09Z,   0.10,  -6.15,  99.90,  -6.39,  -0.34,
01/25 10Z,   0.10,  -6.91,  99.90,  -7.14,  -0.34,
01/25 11Z,   0.10,  -6.94,  99.90,  -7.18,  -0.34,  (min)
01/25 12Z,   0.10,  -6.07,  99.90,  -6.31,  -0.34,
01/25 13Z,   0.10,  -4.48,  99.90,  -4.72,  -0.34,
01/25 14Z,   0.10,  -2.58,  99.90,  -2.82,  -0.34,
01/25 15Z,   0.10,  -0.80,  99.90,  -1.04,  -0.34,
01/25 16Z,   0.10,   0.52,  99.90,   0.29,  -0.34,
01/25 17Z,   0.10,   1.06,  99.90,   0.82,  -0.34,  (max)
01/25 18Z,   0.10,   0.61,  99.90,   0.37,  -0.34,
01/25 19Z,   0.10,  -0.80,  99.90,  -1.04,  -0.34,
01/25 20Z,   0.10,  -2.87,  99.90,  -3.11,  -0.34,
01/25 21Z,   0.10,  -5.24,  99.90,  -5.48,  -0.34,
01/25 22Z,   0.10,  -7.48,  99.90,  -7.72,  -0.34,
01/25 23Z,   0.10,  -9.12,  99.90,  -9.36,  -0.34,
01/26 00Z,   0.10,  -9.73,  99.90,  -9.97,  -0.34,  (min)
01/26 01Z,   0.10,  -9.25,  99.90,  -9.49,  -0.34,
01/26 02Z,   0.10,  -7.99,  99.90,  -8.22,  -0.34,
01/26 03Z,   0.10,  -6.36,  99.90,  -6.60,  -0.34,
01/26 04Z,   0.10,  -4.75,  99.90,  -4.99,  -0.34,
01/26 05Z,   0.10,  -3.49,  99.90,  -3.73,  -0.34,
01/26 06Z,   0.10,  -2.84,  99.90,  -3.08,  -0.34,
01/26 07Z,   0.10,  -2.83,  99.90,  -3.07,  -0.34,  (max)
01/26 08Z,   0.10,  -3.30,  99.90,  -3.53,  -0.34,
01/26 09Z,   0.10,  -3.98,  99.90,  -4.22,  -0.34,
01/26 10Z,   0.10,  -4.67,  99.90,  -4.91,  -0.34,
01/26 11Z,   0.10,  -5.12,  99.90,  -5.35,  -0.34,  (min)
01/26 12Z,   0.10,  -5.03,  99.90,  -5.27,  -0.34,
01/26 13Z,   0.10,  -4.28,  99.90,  -4.51,  -0.34,
01/26 14Z,   0.10,  -3.01,  99.90,  -3.25,  -0.34,
01/26 15Z,   0.10,  -1.57,  99.90,  -1.81,  -0.34,
01/26 16Z,   0.10,  -0.27,  99.90,  -0.51,  -0.34,
01/26 17Z,   0.10,   0.60,  99.90,   0.36,  -0.34,
01/26 18Z,   0.10,   0.74,  99.90,   0.50,  -0.34,  (max)
01/26 19Z,   0.10,  -0.03,  99.90,  -0.27,  -0.34,
01/26 20Z,   0.10,  -1.65,  99.90,  -1.89,  -0.34,
01/26 21Z,   0.10,  -3.85,  99.90,  -4.09,  -0.34,
01/26 22Z,   0.10,  -6.29,  99.90,  -6.53,  -0.34,
01/26 23Z,   0.10,  -8.56,  99.90,  -8.80,  -0.34,
01/27 00Z,   0.10, -10.18,  99.90, -10.42,  -0.34,
01/27 01Z,   0.10, -10.75,  99.90, -10.99,  -0.34,  (min)
01/27 02Z,   0.10, -10.24,  99.90, -10.47,  -0.34,
01/27 03Z,   0.10,  -8.90,  99.90,  -9.14,  -0.34,
01/27 04Z,   0.10,  -7.15,  99.90,  -7.39,  -0.34,
01/27 05Z,   0.10,  -5.34,  99.90,  -5.58,  -0.34,
01/27 06Z,   0.10,  -3.81,  99.90,  -4.05,  -0.34,
01/27 07Z,   0.10,  -2.82,  99.90,  -3.05,  -0.34,
01/27 08Z,   0.10,  -2.40,  99.90,  -2.64,  -0.34,  (max)
01/27 09Z,   0.10,  -2.42,  99.90,  -2.66,  -0.34,
01/27 10Z,   0.10,  -2.70,  99.90,  -2.94,  -0.34,
01/27 11Z,   0.10,  -3.10,  99.90,  -3.34,  -0.34,
01/27 12Z,   0.00,  -3.44,  99.90,  -3.78,  -0.34,  (min)
01/27 13Z,   0.10,  -3.45,  99.90,  -3.69,  -0.34,
01/27 14Z,   0.10,  -2.98,  99.90,  -3.22,  -0.34,
01/27 15Z,   0.00,  -2.13,  99.90,  -2.46,  -0.34,
01/27 16Z,   0.00,  -1.12,  99.90,  -1.46,  -0.34,
01/27 17Z,   0.10,  -0.19,  99.90,  -0.43,  -0.34,
01/27 18Z,   0.10,   0.39,  99.90,   0.15,  -0.34,  (max)
01/27 19Z,   0.10,   0.31,  99.90,   0.08,  -0.34,
01/27 20Z,   0.10,  -0.61,  99.90,  -0.85,  -0.34,
01/27 21Z,   0.10,  -2.31,  99.90,  -2.55,  -0.34,
01/27 22Z,   0.10,  -4.56,  99.90,  -4.80,  -0.34,
01/27 23Z,   0.10,  -7.05,  99.90,  -7.29,  -0.34,
01/28 00Z,   0.10,  -9.39,  99.90,  -9.63,  -0.34,
01/28 01Z,   0.20, -11.07,  99.90, -11.21,  -0.34,
01/28 02Z,   0.20, -11.69,  99.90, -11.82,  -0.34,  (min)
01/28 03Z,   0.20, -11.17,  99.90, -11.31,  -0.34,
01/28 04Z,   0.30,  -9.77,  99.90,  -9.80,  -0.34,
01/28 05Z,   0.30,  -7.84,  99.90,  -7.88,  -0.34,
01/28 06Z,   0.30,  -5.76,  99.90,  -5.80,  -0.34,
01/28 07Z,   0.40,  -3.90,  99.90,  -3.84,  -0.34,
01/28 08Z,   0.40,  -2.54,  99.90,  -2.48,  -0.34,
01/28 09Z,   0.40,  -1.74,  99.90,  -1.68,  -0.34,
01/28 10Z,   0.40,  -1.40,  99.90,  -1.33,  -0.34,  (max)
01/28 11Z,   0.40,  -1.41,  99.90,  -1.35,  -0.34,
01/28 12Z,   0.40,  -1.73,  99.90,  -1.67,  -0.34,