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 : 03/12/2026 06:23:30 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/10 12Z,   0.30,  -3.49,  -3.54,  99.90,  -0.35,  (min)
03/10 13Z,   0.30,  -3.07,  -3.19,  99.90,  -0.42,
03/10 14Z,   0.30,  -2.53,  -2.59,  99.90,  -0.36,
03/10 15Z,   0.30,  -2.01,  -2.13,  99.90,  -0.42,
03/10 16Z,   0.30,  -1.66,  -1.83,  99.90,  -0.47,  (max)
03/10 17Z,   0.30,  -1.73,  -1.98,  99.90,  -0.55,
03/10 18Z,   0.40,  -2.43,  -2.79,  99.90,  -0.76,
03/10 19Z,   0.40,  -3.74,  -4.12,  99.90,  -0.78,
03/10 20Z,   0.30,  -5.45,  -5.86,  99.90,  -0.71,
03/10 21Z,   0.30,  -7.30,  -7.76,  99.90,  -0.76,
03/10 22Z,   0.30,  -8.97,  -9.24,  99.90,  -0.57,
03/10 23Z,   0.30, -10.04, -10.10,  99.90,  -0.36,
03/11 00Z,   0.20, -10.22, -10.18,  99.90,  -0.16,  (min)
03/11 01Z,   0.20,  -9.51,  -9.49,  99.90,  -0.18,
03/11 02Z,   0.20,  -8.17,  -8.31,  99.90,  -0.34,
03/11 03Z,   0.20,  -6.52,  -6.67,  99.90,  -0.35,
03/11 04Z,   0.30,  -4.83,  -4.93,  99.90,  -0.40,
03/11 05Z,   0.30,  -3.39,  -3.46,  99.90,  -0.37,
03/11 06Z,   0.10,  -2.42,  -2.46,  99.90,  -0.14,
03/11 07Z,   0.10,  -1.96,  -1.98,  99.90,  -0.12,
03/11 08Z,   0.10,  -1.88,  -1.82,  99.90,  -0.04,  (max)
03/11 09Z,   0.10,  -2.02,  -1.95,  99.90,  -0.03,
03/11 10Z,   0.10,  -2.33,  -2.36,  99.90,  -0.13,
03/11 11Z,   0.10,  -2.69,  -2.81,  99.90,  -0.22,
03/11 12Z,   0.20,  -2.93,  -3.15,  99.90,  -0.42,
03/11 13Z,   0.20,  -2.97,  -3.20,  99.90,  -0.43,  (min)
03/11 14Z,   0.20,  -2.86,  -3.00,  99.90,  -0.34,
03/11 15Z,   0.20,  -2.66,  -2.73,  99.90,  -0.27,
03/11 16Z,   0.10,  -2.41,  -2.52,  99.90,  -0.21,
03/11 17Z,   0.10,  -2.25,  -2.50,  99.90,  -0.35,  (max)
03/11 18Z,   0.20,  -2.40,  -2.78,  99.90,  -0.58,
03/11 19Z,   0.20,  -3.07,  -3.52,  99.90,  -0.65,
03/11 20Z,   0.20,  -4.25,  -4.73,  99.90,  -0.68,
03/11 21Z,   0.20,  -5.78,  -6.24,  99.90,  -0.66,
03/11 22Z,   0.20,  -7.43,  -7.74,  99.90,  -0.51,
03/11 23Z,   0.30,  -8.92,  -8.92,  99.90,  -0.30,
03/12 00Z,   0.20,  -9.87,  -9.51,  99.90,   0.16,  (min)
03/12 01Z,   0.30, -10.02,  -9.43,  99.90,   0.29,
03/12 02Z,   0.30,  -9.39,  -8.79,  99.90,   0.30,
03/12 03Z,   0.40,  -8.19,  -7.49,  99.90,   0.30,
03/12 04Z,   0.40,  -6.66,  -5.83,  99.90,   0.43,
03/12 05Z,   0.50,  -5.04,  -4.02,  99.90,   0.52,
03/12 06Z,   0.60,  -3.59,  -2.40,  99.90,   0.59,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/12 07Z,   0.70,  -2.54,  99.90,  -1.32,   0.52,
03/12 08Z,   0.80,  -1.92,  99.90,  -0.67,   0.45,
03/12 09Z,   0.90,  -1.63,  99.90,  -0.35,   0.38,  (max)
03/12 10Z,   0.90,  -1.61,  99.90,  -0.39,   0.32,
03/12 11Z,   1.00,  -1.84,  99.90,  -0.59,   0.25,
03/12 12Z,   0.90,  -2.24,  99.90,  -1.17,   0.18,
03/12 13Z,   0.90,  -2.64,  99.90,  -1.63,   0.11,
03/12 14Z,   0.90,  -2.92,  99.90,  -1.98,   0.04,
03/12 15Z,   0.90,  -3.07,  99.90,  -2.20,  -0.03,
03/12 16Z,   0.80,  -3.07,  99.90,  -2.37,  -0.10,  (min)
03/12 17Z,   0.80,  -2.92,  99.90,  -2.28,  -0.17,
03/12 18Z,   0.80,  -2.74,  99.90,  -2.17,  -0.23,  (max)
03/12 19Z,   0.70,  -2.82,  99.90,  -2.35,  -0.23,
03/12 20Z,   0.70,  -3.36,  99.90,  -2.90,  -0.23,
03/12 21Z,   0.60,  -4.39,  99.90,  -4.02,  -0.23,
03/12 22Z,   0.50,  -5.77,  99.90,  -5.51,  -0.23,
03/12 23Z,   0.50,  -7.34,  99.90,  -7.07,  -0.23,
03/13 00Z,   0.50,  -8.81,  99.90,  -8.54,  -0.23,
03/13 01Z,   0.40,  -9.80,  99.90,  -9.63,  -0.23,
03/13 02Z,   0.40, -10.03,  99.90,  -9.87,  -0.23,  (min)
03/13 03Z,   0.40,  -9.50,  99.90,  -9.34,  -0.23,
03/13 04Z,   0.40,  -8.38,  99.90,  -8.22,  -0.23,
03/13 05Z,   0.40,  -6.86,  99.90,  -6.70,  -0.23,
03/13 06Z,   0.30,  -5.18,  99.90,  -5.11,  -0.23,
03/13 07Z,   0.30,  -3.62,  99.90,  -3.55,  -0.23,
03/13 08Z,   0.30,  -2.42,  99.90,  -2.36,  -0.23,
03/13 09Z,   0.30,  -1.65,  99.90,  -1.59,  -0.23,
03/13 10Z,   0.20,  -1.26,  99.90,  -1.29,  -0.23,
03/13 11Z,   0.20,  -1.23,  99.90,  -1.26,  -0.23,  (max)
03/13 12Z,   0.20,  -1.57,  99.90,  -1.61,  -0.23,
03/13 13Z,   0.20,  -2.18,  99.90,  -2.21,  -0.23,
03/13 14Z,   0.20,  -2.81,  99.90,  -2.84,  -0.23,
03/13 15Z,   0.20,  -3.30,  99.90,  -3.33,  -0.23,
03/13 16Z,   0.30,  -3.57,  99.90,  -3.50,  -0.23,
03/13 17Z,   0.30,  -3.57,  99.90,  -3.51,  -0.23,  (min)
03/13 18Z,   0.30,  -3.31,  99.90,  -3.24,  -0.23,
03/13 19Z,   0.30,  -2.98,  99.90,  -2.91,  -0.23,
03/13 20Z,   0.30,  -2.90,  99.90,  -2.83,  -0.23,  (max)
03/13 21Z,   0.30,  -3.32,  99.90,  -3.25,  -0.23,
03/13 22Z,   0.30,  -4.26,  99.90,  -4.19,  -0.23,
03/13 23Z,   0.30,  -5.63,  99.90,  -5.56,  -0.23,
03/14 00Z,   0.30,  -7.27,  99.90,  -7.20,  -0.23,
03/14 01Z,   0.30,  -8.85,  99.90,  -8.79,  -0.23,
03/14 02Z,   0.30,  -9.96,  99.90,  -9.89,  -0.23,
03/14 03Z,   0.30, -10.27,  99.90, -10.21,  -0.23,  (min)
03/14 04Z,   0.30,  -9.77,  99.90,  -9.70,  -0.23,
03/14 05Z,   0.30,  -8.58,  99.90,  -8.51,  -0.23,
03/14 06Z,   0.30,  -6.91,  99.90,  -6.85,  -0.23,
03/14 07Z,   0.30,  -5.04,  99.90,  -4.98,  -0.23,
03/14 08Z,   0.30,  -3.32,  99.90,  -3.26,  -0.23,
03/14 09Z,   0.30,  -2.02,  99.90,  -1.95,  -0.23,
03/14 10Z,   0.30,  -1.21,  99.90,  -1.14,  -0.23,
03/14 11Z,   0.30,  -0.88,  99.90,  -0.81,  -0.23,  (max)
03/14 12Z,   0.30,  -1.04,  99.90,  -0.98,  -0.23,
03/14 13Z,   0.40,  -1.67,  99.90,  -1.51,  -0.23,
03/14 14Z,   0.40,  -2.57,  99.90,  -2.40,  -0.23,
03/14 15Z,   0.40,  -3.41,  99.90,  -3.24,  -0.23,
03/14 16Z,   0.40,  -3.98,  99.90,  -3.82,  -0.23,
03/14 17Z,   0.30,  -4.18,  99.90,  -4.12,  -0.23,  (min)
03/14 18Z,   0.30,  -3.98,  99.90,  -3.92,  -0.23,
03/14 19Z,   0.30,  -3.46,  99.90,  -3.39,  -0.23,
03/14 20Z,   0.30,  -2.90,  99.90,  -2.83,  -0.23,
03/14 21Z,   0.20,  -2.68,  99.90,  -2.72,  -0.23,  (max)
03/14 22Z,   0.20,  -3.06,  99.90,  -3.09,  -0.23,
03/14 23Z,   0.20,  -4.04,  99.90,  -4.07,  -0.23,
03/15 00Z,   0.10,  -5.55,  99.90,  -5.68,  -0.23,
03/15 01Z,   0.10,  -7.37,  99.90,  -7.50,  -0.23,
03/15 02Z,   0.10,  -9.13,  99.90,  -9.26,  -0.23,
03/15 03Z,   0.10, -10.32,  99.90, -10.45,  -0.23,
03/15 04Z,   0.10, -10.61,  99.90, -10.74,  -0.23,  (min)
03/15 05Z,   0.00,  -9.96,  99.90, -10.19,  -0.23,
03/15 06Z,   0.00,  -8.54,  99.90,  -8.77,  -0.23,
03/15 07Z,   0.00,  -6.60,  99.90,  -6.83,  -0.23,
03/15 08Z,   0.00,  -4.51,  99.90,  -4.74,  -0.23,
03/15 09Z,   0.00,  -2.67,  99.90,  -2.90,  -0.23,
03/15 10Z,   0.00,  -1.38,  99.90,  -1.61,  -0.23,
03/15 11Z,   0.00,  -0.71,  99.90,  -0.95,  -0.23,
03/15 12Z,   0.00,  -0.66,  99.90,  -0.90,  -0.23,  (max)
03/15 13Z,   0.00,  -1.22,  99.90,  -1.45,  -0.23,
03/15 14Z,   0.00,  -2.25,  99.90,  -2.48,  -0.23,
03/15 15Z,   0.00,  -3.43,  99.90,  -3.67,  -0.23,
03/15 16Z,   0.00,  -4.37,  99.90,  -4.61,  -0.23,
03/15 17Z,   0.00,  -4.84,  99.90,  -5.07,  -0.23,  (min)
03/15 18Z,   0.00,  -4.76,  99.90,  -4.99,  -0.23,
03/15 19Z,   0.00,  -4.19,  99.90,  -4.42,  -0.23,
03/15 20Z,   0.00,  -3.33,  99.90,  -3.56,  -0.23,
03/15 21Z,   0.00,  -2.56,  99.90,  -2.79,  -0.23,
03/15 22Z,   0.00,  -2.28,  99.90,  -2.52,  -0.23,  (max)
03/15 23Z,   0.00,  -2.73,  99.90,  -2.97,  -0.23,
03/16 00Z,   0.00,  -3.89,  99.90,  -4.12,  -0.23,