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
#Boston, MA : 04/30/2025 14:22:00 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/28 18Z,   0.40,  -3.56,  -3.86,  99.90,  -0.70,
04/28 19Z,   0.40,  -6.05,  -6.28,  99.90,  -0.63,
04/28 20Z,   0.40,  -8.92,  -8.97,  99.90,  -0.45,
04/28 21Z,   0.50, -11.59, -11.52,  99.90,  -0.43,
04/28 22Z,   0.50, -13.17, -13.04,  99.90,  -0.37,  (min)
04/28 23Z,   0.50, -12.92, -12.52,  99.90,  -0.10,
04/29 00Z,   0.30, -10.97, -10.42,  99.90,   0.25,
04/29 01Z,   0.30,  -8.14,  -7.85,  99.90,  -0.01,
04/29 02Z,   0.30,  -5.06,  -4.79,  99.90,  -0.03,
04/29 03Z,   0.20,  -2.29,  -2.03,  99.90,   0.06,
04/29 04Z,   0.20,  -0.61,  -0.52,  99.90,  -0.11,  (max)
04/29 05Z,   0.10,  -0.52,  -0.65,  99.90,  -0.23,
04/29 06Z,   0.10,  -1.98,  -2.11,  99.90,  -0.23,
04/29 07Z,   0.10,  -4.56,  -4.66,  99.90,  -0.20,
04/29 08Z,   0.10,  -7.75,  -7.71,  99.90,  -0.06,
04/29 09Z,   0.10, -10.99, -10.76,  99.90,   0.13,
04/29 10Z,   0.10, -13.56, -13.34,  99.90,   0.12,
04/29 11Z,   0.20, -14.52, -14.22,  99.90,   0.10,  (min)
04/29 12Z,   0.20, -13.54, -12.91,  99.90,   0.43,
04/29 13Z,   0.20, -11.26, -10.78,  99.90,   0.28,
04/29 14Z,   0.20,  -8.37,  -8.10,  99.90,   0.07,
04/29 15Z,   0.20,  -5.36,  -4.97,  99.90,   0.19,
04/29 16Z,   0.20,  -2.95,  -2.56,  99.90,   0.19,
04/29 17Z,   0.20,  -1.85,  -1.68,  99.90,  -0.03,  (max)
04/29 18Z,   0.30,  -2.28,  -2.10,  99.90,  -0.12,
04/29 19Z,   0.30,  -3.97,  -3.95,  99.90,  -0.28,
04/29 20Z,   0.30,  -6.47,  -6.35,  99.90,  -0.18,
04/29 21Z,   0.20,  -9.27,  -9.07,  99.90,   0.00,
04/29 22Z,   0.20, -11.76, -11.67,  99.90,  -0.11,
04/29 23Z,   0.10, -13.05, -12.90,  99.90,   0.05,  (min)
04/30 00Z,   0.10, -12.48, -12.08,  99.90,   0.30,
04/30 01Z,   0.00, -10.38,  -9.91,  99.90,   0.47,
04/30 02Z,   0.00,  -7.56,  -7.38,  99.90,   0.18,
04/30 03Z,   0.00,  -4.58,  -4.33,  99.90,   0.25,
04/30 04Z,   0.00,  -2.00,  -1.76,  99.90,   0.24,
04/30 05Z,   0.00,  -0.59,  -0.59,  99.90,   0.00,  (max)
04/30 06Z,   0.00,  -0.76,  -0.95,  99.90,  -0.19,
04/30 07Z,   0.00,  -2.37,  -2.59,  99.90,  -0.22,
04/30 08Z,   0.00,  -5.00,  -5.02,  99.90,  -0.02,
04/30 09Z,   0.00,  -8.14,  -8.13,  99.90,   0.01,
04/30 10Z,   0.00, -11.26, -11.26,  99.90,   0.00,
04/30 11Z,   0.00, -13.59, -13.65,  99.90,  -0.06,
04/30 12Z,  -0.10, -14.27, -14.50,  99.90,  -0.13,  (min)
04/30 13Z,  -0.10, -13.14, -12.95,  99.90,   0.29,
04/30 14Z,  -0.10, -10.87, -10.98,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/30 15Z,  -0.10,  -8.09,  99.90,  -8.20,  -0.01,
04/30 16Z,  -0.10,  -5.25,  99.90,  -5.37,  -0.01,
04/30 17Z,  -0.10,  -3.06,  99.90,  -3.18,  -0.01,
04/30 18Z,  -0.10,  -2.18,  99.90,  -2.29,  -0.01,  (max)
04/30 19Z,   0.00,  -2.73,  99.90,  -2.74,  -0.01,
04/30 20Z,  -0.10,  -4.43,  99.90,  -4.54,  -0.01,
04/30 21Z,   0.00,  -6.83,  99.90,  -6.84,  -0.01,
04/30 22Z,   0.00,  -9.46,  99.90,  -9.47,  -0.01,
04/30 23Z,   0.00, -11.71,  99.90, -11.72,  -0.01,
05/01 00Z,   0.10, -12.70,  99.90, -12.61,  -0.01,  (min)
05/01 01Z,   0.20, -11.92,  99.90, -11.74,  -0.01,
05/01 02Z,   0.20,  -9.82,  99.90,  -9.63,  -0.01,
05/01 03Z,   0.20,  -7.14,  99.90,  -6.95,  -0.01,
05/01 04Z,   0.20,  -4.37,  99.90,  -4.18,  -0.01,
05/01 05Z,   0.20,  -2.04,  99.90,  -1.85,  -0.01,
05/01 06Z,   0.10,  -0.89,  99.90,  -0.80,  -0.01,  (max)
05/01 07Z,   0.10,  -1.23,  99.90,  -1.14,  -0.01,
05/01 08Z,   0.10,  -2.87,  99.90,  -2.78,  -0.01,
05/01 09Z,   0.10,  -5.41,  99.90,  -5.32,  -0.01,
05/01 10Z,   0.20,  -8.37,  99.90,  -8.18,  -0.01,
05/01 11Z,   0.40, -11.27,  99.90, -10.88,  -0.01,
05/01 12Z,   0.40, -13.32,  99.90, -12.93,  -0.01,
05/01 13Z,   0.60, -13.76,  99.90, -13.17,  -0.01,  (min)
05/01 14Z,   0.60, -12.58,  99.90, -11.99,  -0.01,
05/01 15Z,   0.60, -10.46,  99.90,  -9.87,  -0.01,
05/01 16Z,   0.60,  -7.89,  99.90,  -7.30,  -0.01,
05/01 17Z,   0.50,  -5.28,  99.90,  -4.79,  -0.01,
05/01 18Z,   0.60,  -3.33,  99.90,  -2.74,  -0.01,
05/01 19Z,   0.50,  -2.62,  99.90,  -2.13,  -0.01,  (max)
05/01 20Z,   0.50,  -3.22,  99.90,  -2.73,  -0.01,
05/01 21Z,   0.50,  -4.83,  99.90,  -4.34,  -0.01,
05/01 22Z,   0.50,  -7.05,  99.90,  -6.56,  -0.01,
05/01 23Z,   0.50,  -9.46,  99.90,  -8.97,  -0.01,
05/02 00Z,   0.50, -11.46,  99.90, -10.97,  -0.01,
05/02 01Z,   0.40, -12.21,  99.90, -11.82,  -0.01,  (min)
05/02 02Z,   0.50, -11.35,  99.90, -10.86,  -0.01,
05/02 03Z,   0.40,  -9.38,  99.90,  -8.99,  -0.01,
05/02 04Z,   0.40,  -6.95,  99.90,  -6.56,  -0.01,
05/02 05Z,   0.30,  -4.43,  99.90,  -4.14,  -0.01,
05/02 06Z,   0.30,  -2.36,  99.90,  -2.07,  -0.01,
05/02 07Z,   0.40,  -1.41,  99.90,  -1.02,  -0.01,  (max)
05/02 08Z,   0.40,  -1.81,  99.90,  -1.42,  -0.01,
05/02 09Z,   0.50,  -3.38,  99.90,  -2.89,  -0.01,
05/02 10Z,   0.50,  -5.71,  99.90,  -5.22,  -0.01,
05/02 11Z,   0.60,  -8.41,  99.90,  -7.82,  -0.01,
05/02 12Z,   0.60, -11.04,  99.90, -10.45,  -0.01,
05/02 13Z,   0.60, -12.84,  99.90, -12.25,  -0.01,
05/02 14Z,   0.60, -13.12,  99.90, -12.53,  -0.01,  (min)
05/02 15Z,   0.60, -12.01,  99.90, -11.42,  -0.01,
05/02 16Z,   0.60, -10.11,  99.90,  -9.52,  -0.01,
05/02 17Z,   0.50,  -7.80,  99.90,  -7.31,  -0.01,
05/02 18Z,   0.50,  -5.42,  99.90,  -4.93,  -0.01,
05/02 19Z,   0.50,  -3.68,  99.90,  -3.19,  -0.01,
05/02 20Z,   0.50,  -3.08,  99.90,  -2.59,  -0.01,  (max)
05/02 21Z,   0.40,  -3.65,  99.90,  -3.26,  -0.01,
05/02 22Z,   0.40,  -5.11,  99.90,  -4.72,  -0.01,
05/02 23Z,   0.40,  -7.11,  99.90,  -6.72,  -0.01,
05/03 00Z,   0.40,  -9.29,  99.90,  -8.90,  -0.01,
05/03 01Z,   0.30, -11.08,  99.90, -10.79,  -0.01,
05/03 02Z,   0.30, -11.69,  99.90, -11.40,  -0.01,  (min)
05/03 03Z,   0.30, -10.86,  99.90, -10.57,  -0.01,
05/03 04Z,   0.20,  -9.13,  99.90,  -8.94,  -0.01,
05/03 05Z,   0.20,  -6.99,  99.90,  -6.80,  -0.01,
05/03 06Z,   0.20,  -4.72,  99.90,  -4.53,  -0.01,
05/03 07Z,   0.20,  -2.86,  99.90,  -2.67,  -0.01,
05/03 08Z,   0.20,  -2.02,  99.90,  -1.83,  -0.01,  (max)
05/03 09Z,   0.10,  -2.41,  99.90,  -2.32,  -0.01,
05/03 10Z,   0.20,  -3.80,  99.90,  -3.61,  -0.01,
05/03 11Z,   0.20,  -5.87,  99.90,  -5.68,  -0.01,
05/03 12Z,   0.30,  -8.29,  99.90,  -8.00,  -0.01,
05/03 13Z,   0.30, -10.67,  99.90, -10.38,  -0.01,
05/03 14Z,   0.20, -12.27,  99.90, -12.08,  -0.01,
05/03 15Z,   0.20, -12.48,  99.90, -12.30,  -0.01,  (min)
05/03 16Z,   0.20, -11.52,  99.90, -11.33,  -0.01,
05/03 17Z,   0.10,  -9.88,  99.90,  -9.79,  -0.01,
05/03 18Z,   0.10,  -7.79,  99.90,  -7.70,  -0.01,
05/03 19Z,   0.10,  -5.61,  99.90,  -5.52,  -0.01,
05/03 20Z,   0.10,  -4.02,  99.90,  -3.93,  -0.01,
05/03 21Z,   0.10,  -3.46,  99.90,  -3.37,  -0.01,  (max)
05/03 22Z,   0.10,  -3.95,  99.90,  -3.86,  -0.01,
05/03 23Z,   0.10,  -5.23,  99.90,  -5.14,  -0.01,
05/04 00Z,   0.10,  -7.02,  99.90,  -6.93,  -0.01,
05/04 01Z,   0.10,  -9.03,  99.90,  -8.94,  -0.01,
05/04 02Z,   0.10, -10.68,  99.90, -10.59,  -0.01,
05/04 03Z,   0.10, -11.23,  99.90, -11.14,  -0.01,  (min)
05/04 04Z,   0.20, -10.53,  99.90, -10.34,  -0.01,
05/04 05Z,   0.10,  -9.08,  99.90,  -8.99,  -0.01,
05/04 06Z,   0.00,  -7.21,  99.90,  -7.22,  -0.01,