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 : 07/22/2026 13:23:41 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 18Z,   0.50,  -3.42,  -3.03,  99.90,  -0.11,  (max)
07/20 19Z,   0.60,  -4.04,  -3.61,  99.90,  -0.17,
07/20 20Z,   0.60,  -5.09,  -4.57,  99.90,  -0.08,
07/20 21Z,   0.60,  -6.31,  -5.76,  99.90,  -0.05,
07/20 22Z,   0.60,  -7.31,  -6.77,  99.90,  -0.06,
07/20 23Z,   0.60,  -7.67,  -7.20,  99.90,  -0.13,  (min)
07/21 00Z,   0.60,  -7.18,  -6.69,  99.90,  -0.11,
07/21 01Z,   0.60,  -5.97,  -5.47,  99.90,  -0.10,
07/21 02Z,   0.60,  -4.30,  -3.76,  99.90,  -0.06,
07/21 03Z,   0.60,  -2.48,  -1.89,  99.90,  -0.01,
07/21 04Z,   0.60,  -0.90,  -0.26,  99.90,   0.04,
07/21 05Z,   0.60,   0.03,   0.54,  99.90,  -0.09,  (max)
07/21 06Z,   0.70,   0.07,   0.46,  99.90,  -0.31,
07/21 07Z,   0.70,  -0.78,  -0.46,  99.90,  -0.38,
07/21 08Z,   0.70,  -2.35,  -2.00,  99.90,  -0.35,
07/21 09Z,   0.70,  -4.42,  -4.25,  99.90,  -0.53,
07/21 10Z,   0.70,  -6.61,  -6.56,  99.90,  -0.65,
07/21 11Z,   0.70,  -8.40,  -8.33,  99.90,  -0.63,
07/21 12Z,   0.60,  -9.38,  -9.36,  99.90,  -0.58,  (min)
07/21 13Z,   0.60,  -9.44,  -9.32,  99.90,  -0.48,
07/21 14Z,   0.60,  -8.73,  -8.46,  99.90,  -0.33,
07/21 15Z,   0.60,  -7.46,  -7.20,  99.90,  -0.34,
07/21 16Z,   0.60,  -5.96,  -5.58,  99.90,  -0.22,
07/21 17Z,   0.60,  -4.61,  -4.12,  99.90,  -0.11,
07/21 18Z,   0.60,  -3.75,  -3.22,  99.90,  -0.07,
07/21 19Z,   0.60,  -3.46,  -2.87,  99.90,  -0.01,  (max)
07/21 20Z,   0.60,  -3.66,  -3.11,  99.90,  -0.05,
07/21 21Z,   0.60,  -4.22,  -3.56,  99.90,   0.06,
07/21 22Z,   0.60,  -4.97,  -4.23,  99.90,   0.14,
07/21 23Z,   0.60,  -5.61,  -4.90,  99.90,   0.11,
07/22 00Z,   0.70,  -5.80,  -5.10,  99.90,   0.00,  (min)
07/22 01Z,   0.70,  -5.41,  -4.74,  99.90,  -0.03,
07/22 02Z,   0.70,  -4.52,  -3.81,  99.90,   0.01,
07/22 03Z,   0.70,  -3.30,  -2.57,  99.90,   0.03,
07/22 04Z,   0.70,  -1.97,  -1.33,  99.90,  -0.06,
07/22 05Z,   0.70,  -0.86,  -0.26,  99.90,  -0.10,
07/22 06Z,   0.80,  -0.34,   0.13,  99.90,  -0.33,  (max)
07/22 07Z,   0.80,  -0.63,  -0.24,  99.90,  -0.41,
07/22 08Z,   0.80,  -1.70,  -1.29,  99.90,  -0.39,
07/22 09Z,   0.80,  -3.38,  -2.99,  99.90,  -0.41,
07/22 10Z,   0.80,  -5.47,  -5.24,  99.90,  -0.57,
07/22 11Z,   0.80,  -7.58,  -7.43,  99.90,  -0.65,
07/22 12Z,   0.80,  -9.25,  -9.11,  99.90,  -0.66,
07/22 13Z,   0.80, -10.11,  -9.91,  99.90,  -0.60,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/22 14Z,   0.80, -10.09,  99.90,  -9.86,  -0.56,
07/22 15Z,   0.80,  -9.31,  99.90,  -9.04,  -0.52,
07/22 16Z,   0.80,  -7.97,  99.90,  -7.66,  -0.49,
07/22 17Z,   0.80,  -6.36,  99.90,  -6.01,  -0.45,
07/22 18Z,   0.80,  -4.86,  99.90,  -4.48,  -0.42,
07/22 19Z,   0.80,  -3.77,  99.90,  -3.36,  -0.38,
07/22 20Z,   0.80,  -3.16,  99.90,  -2.71,  -0.35,
07/22 21Z,   0.80,  -2.97,  99.90,  -2.48,  -0.31,  (max)
07/22 22Z,   0.80,  -3.14,  99.90,  -2.62,  -0.28,
07/22 23Z,   0.90,  -3.58,  99.90,  -2.92,  -0.24,
07/23 00Z,   0.90,  -4.05,  99.90,  -3.36,  -0.21,
07/23 01Z,   0.90,  -4.27,  99.90,  -3.54,  -0.17,  (min)
07/23 02Z,   0.90,  -4.12,  99.90,  -3.39,  -0.17,
07/23 03Z,   0.90,  -3.60,  99.90,  -2.87,  -0.17,
07/23 04Z,   0.90,  -2.80,  99.90,  -2.08,  -0.17,
07/23 05Z,   0.90,  -1.87,  99.90,  -1.14,  -0.17,
07/23 06Z,   0.90,  -1.12,  99.90,  -0.39,  -0.17,
07/23 07Z,   0.90,  -0.90,  99.90,  -0.17,  -0.17,  (max)
07/23 08Z,   0.90,  -1.39,  99.90,  -0.66,  -0.17,
07/23 09Z,   0.90,  -2.57,  99.90,  -1.84,  -0.17,
07/23 10Z,   0.90,  -4.29,  99.90,  -3.56,  -0.17,
07/23 11Z,   0.90,  -6.36,  99.90,  -5.63,  -0.17,
07/23 12Z,   0.90,  -8.41,  99.90,  -7.68,  -0.17,
07/23 13Z,   0.90,  -9.97,  99.90,  -9.24,  -0.17,
07/23 14Z,   0.90, -10.73,  99.90, -10.00,  -0.17,  (min)
07/23 15Z,   0.90, -10.61,  99.90,  -9.88,  -0.17,
07/23 16Z,   0.90,  -9.71,  99.90,  -8.98,  -0.17,
07/23 17Z,   0.90,  -8.22,  99.90,  -7.49,  -0.17,
07/23 18Z,   0.90,  -6.45,  99.90,  -5.72,  -0.17,
07/23 19Z,   0.90,  -4.78,  99.90,  -4.05,  -0.17,
07/23 20Z,   0.90,  -3.47,  99.90,  -2.74,  -0.17,
07/23 21Z,   0.90,  -2.59,  99.90,  -1.86,  -0.17,
07/23 22Z,   0.90,  -2.12,  99.90,  -1.39,  -0.17,
07/23 23Z,   0.90,  -2.06,  99.90,  -1.34,  -0.17,  (max)
07/24 00Z,   1.00,  -2.39,  99.90,  -1.56,  -0.17,
07/24 01Z,   1.00,  -2.88,  99.90,  -2.05,  -0.17,
07/24 02Z,   1.00,  -3.27,  99.90,  -2.44,  -0.17,
07/24 03Z,   1.00,  -3.40,  99.90,  -2.57,  -0.17,  (min)
07/24 04Z,   1.00,  -3.22,  99.90,  -2.39,  -0.17,
07/24 05Z,   1.00,  -2.72,  99.90,  -1.89,  -0.17,
07/24 06Z,   1.00,  -2.05,  99.90,  -1.22,  -0.17,
07/24 07Z,   1.00,  -1.50,  99.90,  -0.67,  -0.17,
07/24 08Z,   1.00,  -1.44,  99.90,  -0.62,  -0.17,  (max)
07/24 09Z,   1.00,  -2.05,  99.90,  -1.22,  -0.17,
07/24 10Z,   1.00,  -3.29,  99.90,  -2.46,  -0.17,
07/24 11Z,   1.00,  -5.05,  99.90,  -4.22,  -0.17,
07/24 12Z,   1.00,  -7.12,  99.90,  -6.29,  -0.17,
07/24 13Z,   1.00,  -9.14,  99.90,  -8.31,  -0.17,
07/24 14Z,   1.00, -10.62,  99.90,  -9.79,  -0.17,
07/24 15Z,   1.00, -11.25,  99.90, -10.42,  -0.17,  (min)
07/24 16Z,   1.00, -10.97,  99.90, -10.14,  -0.17,
07/24 17Z,   1.00,  -9.88,  99.90,  -9.05,  -0.17,
07/24 18Z,   1.00,  -8.19,  99.90,  -7.36,  -0.17,
07/24 19Z,   1.00,  -6.22,  99.90,  -5.40,  -0.17,
07/24 20Z,   1.00,  -4.38,  99.90,  -3.55,  -0.17,
07/24 21Z,   1.00,  -2.91,  99.90,  -2.08,  -0.17,
07/24 22Z,   1.00,  -1.87,  99.90,  -1.04,  -0.17,
07/24 23Z,   1.00,  -1.28,  99.90,  -0.45,  -0.17,
07/25 00Z,   1.00,  -1.20,  99.90,  -0.37,  -0.17,  (max)
07/25 01Z,   1.00,  -1.60,  99.90,  -0.77,  -0.17,
07/25 02Z,   1.00,  -2.25,  99.90,  -1.42,  -0.17,
07/25 03Z,   1.10,  -2.85,  99.90,  -1.92,  -0.17,
07/25 04Z,   1.10,  -3.21,  99.90,  -2.28,  -0.17,
07/25 05Z,   1.10,  -3.22,  99.90,  -2.29,  -0.17,  (min)
07/25 06Z,   1.10,  -2.86,  99.90,  -1.93,  -0.17,
07/25 07Z,   1.10,  -2.27,  99.90,  -1.35,  -0.17,
07/25 08Z,   1.10,  -1.82,  99.90,  -0.89,  -0.17,  (max)
07/25 09Z,   1.10,  -1.85,  99.90,  -0.92,  -0.17,
07/25 10Z,   1.10,  -2.54,  99.90,  -1.61,  -0.17,
07/25 11Z,   1.10,  -3.85,  99.90,  -2.92,  -0.17,
07/25 12Z,   1.10,  -5.69,  99.90,  -4.76,  -0.17,
07/25 13Z,   1.10,  -7.83,  99.90,  -6.90,  -0.17,
07/25 14Z,   1.10,  -9.84,  99.90,  -8.91,  -0.17,
07/25 15Z,   1.10, -11.22,  99.90, -10.29,  -0.17,
07/25 16Z,   1.10, -11.68,  99.90, -10.75,  -0.17,  (min)
07/25 17Z,   1.10, -11.16,  99.90, -10.23,  -0.17,
07/25 18Z,   1.10,  -9.81,  99.90,  -8.88,  -0.17,
07/25 19Z,   1.10,  -7.86,  99.90,  -6.93,  -0.17,
07/25 20Z,   1.10,  -5.70,  99.90,  -4.78,  -0.17,
07/25 21Z,   1.10,  -3.74,  99.90,  -2.81,  -0.17,
07/25 22Z,   1.10,  -2.21,  99.90,  -1.28,  -0.17,
07/25 23Z,   1.10,  -1.16,  99.90,  -0.23,  -0.17,
07/26 00Z,   1.10,  -0.63,  99.90,   0.30,  -0.17,  (max)
07/26 01Z,   1.10,  -0.71,  99.90,   0.22,  -0.17,
07/26 02Z,   1.10,  -1.32,  99.90,  -0.39,  -0.17,
07/26 03Z,   1.00,  -2.16,  99.90,  -1.33,  -0.17,
07/26 04Z,   1.00,  -2.92,  99.90,  -2.09,  -0.17,
07/26 05Z,   1.00,  -3.36,  99.90,  -2.53,  -0.17,
07/26 06Z,   1.00,  -3.39,  99.90,  -2.56,  -0.17,