EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
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Regions
Northeast
Mid-Atlantic
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Northwest
Alaska
Gulf of Alaska
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Stations
Eastport, ME
Bar Harbor, ME
Portland, ME
Portsmouth, ME
Boston, MA
Buzzards Bay MA
Woods Hole, MA
Nantucket, MA
Providence, RI
Newport, RI
Block Island, RI
Montauk Point NY
New London, CT
Bridgeport, CT
Port Jefferson NY
Kings Pnt, NY
The Battery, NY
Bergen Pnt, NY
Sandy Hook, NJ
Atlantic City, NJ
Cape May, NJ
Philadelphia, PA
Reedy Pnt, DE
Lewes, DE
Surge List
East Coast
#Boston, MA : 05/20/2025 20:21:41 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 00Z,   0.80,  -8.49,  -7.70,  99.90,  -0.01,
05/19 01Z,   0.80,  -9.91,  -9.21,  99.90,  -0.10,
05/19 02Z,   0.80, -10.72, -10.03,  99.90,  -0.11,  (min)
05/19 03Z,   0.80, -10.40,  -9.45,  99.90,   0.15,
05/19 04Z,   0.80,  -8.97,  -8.26,  99.90,  -0.09,
05/19 05Z,   0.80,  -7.12,  -6.57,  99.90,  -0.25,
05/19 06Z,   0.80,  -5.38,  -4.83,  99.90,  -0.25,
05/19 07Z,   0.80,  -3.89,  -3.14,  99.90,  -0.05,
05/19 08Z,   0.80,  -2.98,  -2.16,  99.90,   0.02,  (max)
05/19 09Z,   0.80,  -3.09,  -2.38,  99.90,  -0.09,
05/19 10Z,   0.80,  -4.22,  -3.50,  99.90,  -0.08,
05/19 11Z,   0.80,  -6.03,  -5.19,  99.90,   0.04,
05/19 12Z,   0.80,  -8.06,  -7.09,  99.90,   0.17,
05/19 13Z,   0.80,  -9.94,  -9.22,  99.90,  -0.08,
05/19 14Z,   0.70, -11.38, -10.68,  99.90,  -0.00,
05/19 15Z,   0.70, -11.86, -11.14,  99.90,   0.02,  (min)
05/19 16Z,   0.70, -11.06, -10.28,  99.90,   0.08,
05/19 17Z,   0.80,  -9.44,  -8.83,  99.90,  -0.19,
05/19 18Z,   0.80,  -7.66,  -7.26,  99.90,  -0.40,
05/19 19Z,   0.90,  -5.94,  -5.19,  99.90,  -0.15,
05/19 20Z,   0.90,  -4.50,  -3.69,  99.90,  -0.09,
05/19 21Z,   0.90,  -3.82,  -3.23,  99.90,  -0.31,  (max)
05/19 22Z,   0.90,  -4.17,  -3.55,  99.90,  -0.28,
05/19 23Z,   0.80,  -5.37,  -4.74,  99.90,  -0.17,
05/20 00Z,   0.80,  -7.01,  -6.30,  99.90,  -0.09,
05/20 01Z,   0.70,  -8.70,  -8.16,  99.90,  -0.16,
05/20 02Z,   0.70, -10.12,  -9.66,  99.90,  -0.24,
05/20 03Z,   0.70, -10.87, -10.21,  99.90,  -0.04,  (min)
05/20 04Z,   0.70, -10.43,  -9.64,  99.90,   0.09,
05/20 05Z,   0.70,  -8.93,  -8.27,  99.90,  -0.04,
05/20 06Z,   0.70,  -7.09,  -6.67,  99.90,  -0.28,
05/20 07Z,   0.70,  -5.34,  -4.85,  99.90,  -0.21,
05/20 08Z,   0.80,  -3.84,  -3.25,  99.90,  -0.21,
05/20 09Z,   0.80,  -2.99,  -2.36,  99.90,  -0.17,  (max)
05/20 10Z,   0.80,  -3.19,  -2.69,  99.90,  -0.30,
05/20 11Z,   0.80,  -4.41,  -3.81,  99.90,  -0.20,
05/20 12Z,   0.80,  -6.26,  -5.48,  99.90,  -0.02,
05/20 13Z,   0.80,  -8.29,  -7.44,  99.90,   0.05,
05/20 14Z,   0.80, -10.16,  -9.28,  99.90,   0.08,
05/20 15Z,   0.90, -11.54, -10.63,  99.90,   0.01,
05/20 16Z,   0.90, -11.87, -10.80,  99.90,   0.17,  (min)
05/20 17Z,   1.00, -10.91,  -9.68,  99.90,   0.23,
05/20 18Z,   1.00,  -9.20,  -8.35,  99.90,  -0.15,
05/20 19Z,   1.10,  -7.33,  -6.53,  99.90,  -0.30,
05/20 20Z,   1.20,  -5.52,  -4.77,  99.90,  -0.45,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 21Z,   1.20,  -4.06,  99.90,  -3.28,  -0.41,
05/20 22Z,   1.20,  -3.48,  99.90,  -2.66,  -0.38,  (max)
05/20 23Z,   1.20,  -3.97,  99.90,  -3.12,  -0.35,
05/21 00Z,   1.10,  -5.31,  99.90,  -4.52,  -0.31,
05/21 01Z,   1.10,  -7.07,  99.90,  -6.25,  -0.28,
05/21 02Z,   1.10,  -8.87,  99.90,  -8.01,  -0.24,
05/21 03Z,   1.10, -10.39,  99.90,  -9.50,  -0.21,
05/21 04Z,   1.10, -11.16,  99.90, -10.23,  -0.17,  (min)
05/21 05Z,   1.10, -10.66,  99.90,  -9.70,  -0.14,
05/21 06Z,   1.10,  -9.13,  99.90,  -8.13,  -0.11,
05/21 07Z,   1.10,  -7.25,  99.90,  -6.22,  -0.07,
05/21 08Z,   1.10,  -5.41,  99.90,  -4.35,  -0.04,
05/21 09Z,   1.10,  -3.81,  99.90,  -2.75,  -0.04,
05/21 10Z,   1.10,  -2.95,  99.90,  -1.89,  -0.04,  (max)
05/21 11Z,   1.10,  -3.20,  99.90,  -2.14,  -0.04,
05/21 12Z,   1.10,  -4.48,  99.90,  -3.41,  -0.04,
05/21 13Z,   1.00,  -6.37,  99.90,  -5.41,  -0.04,
05/21 14Z,   1.00,  -8.44,  99.90,  -7.48,  -0.04,
05/21 15Z,   1.00, -10.36,  99.90,  -9.40,  -0.04,
05/21 16Z,   1.00, -11.73,  99.90, -10.76,  -0.04,
05/21 17Z,   1.00, -11.94,  99.90, -10.98,  -0.04,  (min)
05/21 18Z,   0.90, -10.84,  99.90,  -9.97,  -0.04,
05/21 19Z,   0.90,  -8.99,  99.90,  -8.13,  -0.04,
05/21 20Z,   0.90,  -6.98,  99.90,  -6.12,  -0.04,
05/21 21Z,   0.90,  -5.02,  99.90,  -4.16,  -0.04,
05/21 22Z,   1.00,  -3.51,  99.90,  -2.55,  -0.04,
05/21 23Z,   0.90,  -3.00,  99.90,  -2.14,  -0.04,  (max)
05/22 00Z,   1.00,  -3.64,  99.90,  -2.68,  -0.04,
05/22 01Z,   0.90,  -5.15,  99.90,  -4.29,  -0.04,
05/22 02Z,   0.90,  -7.09,  99.90,  -6.23,  -0.04,
05/22 03Z,   0.90,  -9.08,  99.90,  -8.22,  -0.04,
05/22 04Z,   0.90, -10.79,  99.90,  -9.92,  -0.04,
05/22 05Z,   0.80, -11.62,  99.90, -10.85,  -0.04,  (min)
05/22 06Z,   0.80, -11.09,  99.90, -10.33,  -0.04,
05/22 07Z,   0.80,  -9.50,  99.90,  -8.74,  -0.04,
05/22 08Z,   0.90,  -7.53,  99.90,  -6.67,  -0.04,
05/22 09Z,   0.90,  -5.52,  99.90,  -4.66,  -0.04,
05/22 10Z,   1.00,  -3.77,  99.90,  -2.81,  -0.04,
05/22 11Z,   1.00,  -2.85,  99.90,  -1.89,  -0.04,  (max)
05/22 12Z,   1.00,  -3.13,  99.90,  -2.17,  -0.04,
05/22 13Z,   1.10,  -4.45,  99.90,  -3.39,  -0.04,
05/22 14Z,   1.10,  -6.40,  99.90,  -5.34,  -0.04,
05/22 15Z,   1.10,  -8.56,  99.90,  -7.50,  -0.04,
05/22 16Z,   1.20, -10.57,  99.90,  -9.41,  -0.04,
05/22 17Z,   1.30, -11.96,  99.90, -10.69,  -0.04,
05/22 18Z,   1.30, -12.06,  99.90, -10.80,  -0.04,  (min)
05/22 19Z,   1.40, -10.79,  99.90,  -9.43,  -0.04,
05/22 20Z,   1.40,  -8.78,  99.90,  -7.42,  -0.04,
05/22 21Z,   1.50,  -6.56,  99.90,  -5.10,  -0.04,
05/22 22Z,   1.60,  -4.41,  99.90,  -2.85,  -0.04,
05/22 23Z,   1.70,  -2.85,  99.90,  -1.18,  -0.04,
05/23 00Z,   1.80,  -2.43,  99.90,  -0.67,  -0.04,  (max)
05/23 01Z,   1.90,  -3.24,  99.90,  -1.38,  -0.04,
05/23 02Z,   2.00,  -4.96,  99.90,  -2.99,  -0.04,
05/23 03Z,   2.00,  -7.13,  99.90,  -5.17,  -0.04,
05/23 04Z,   2.00,  -9.39,  99.90,  -7.43,  -0.04,
05/23 05Z,   2.00, -11.31,  99.90,  -9.35,  -0.04,
05/23 06Z,   1.90, -12.22,  99.90, -10.36,  -0.04,  (min)
05/23 07Z,   1.90, -11.65,  99.90,  -9.79,  -0.04,
05/23 08Z,   1.80,  -9.96,  99.90,  -8.20,  -0.04,
05/23 09Z,   1.70,  -7.83,  99.90,  -6.17,  -0.04,
05/23 10Z,   1.40,  -5.60,  99.90,  -4.24,  -0.04,
05/23 11Z,   1.30,  -3.67,  99.90,  -2.41,  -0.04,
05/23 12Z,   1.10,  -2.70,  99.90,  -1.64,  -0.04,  (max)
05/23 13Z,   1.00,  -2.99,  99.90,  -2.03,  -0.04,
05/23 14Z,   0.80,  -4.37,  99.90,  -3.61,  -0.04,
05/23 15Z,   0.50,  -6.41,  99.90,  -5.95,  -0.04,
05/23 16Z,   0.40,  -8.69,  99.90,  -8.33,  -0.04,
05/23 17Z,   0.30, -10.82,  99.90, -10.56,  -0.04,
05/23 18Z,   0.30, -12.22,  99.90, -11.96,  -0.04,
05/23 19Z,   0.20, -12.18,  99.90, -12.02,  -0.04,  (min)
05/23 20Z,   0.30, -10.72,  99.90, -10.46,  -0.04,
05/23 21Z,   0.30,  -8.50,  99.90,  -8.24,  -0.04,
05/23 22Z,   0.30,  -6.05,  99.90,  -5.79,  -0.04,
05/23 23Z,   0.30,  -3.72,  99.90,  -3.46,  -0.04,
05/24 00Z,   0.40,  -2.14,  99.90,  -1.77,  -0.04,
05/24 01Z,   0.40,  -1.84,  99.90,  -1.48,  -0.04,  (max)
05/24 02Z,   0.50,  -2.85,  99.90,  -2.39,  -0.04,
05/24 03Z,   0.50,  -4.81,  99.90,  -4.35,  -0.04,
05/24 04Z,   0.40,  -7.26,  99.90,  -6.90,  -0.04,
05/24 05Z,   0.40,  -9.81,  99.90,  -9.45,  -0.04,
05/24 06Z,   0.40, -11.94,  99.90, -11.58,  -0.04,
05/24 07Z,   0.30, -12.89,  99.90, -12.62,  -0.04,  (min)
05/24 08Z,   0.30, -12.22,  99.90, -11.96,  -0.04,
05/24 09Z,   0.40, -10.40,  99.90, -10.04,  -0.04,
05/24 10Z,   0.40,  -8.07,  99.90,  -7.71,  -0.04,
05/24 11Z,   0.50,  -5.60,  99.90,  -5.14,  -0.04,
05/24 12Z,   0.50,  -3.52,  99.90,  -3.05,  -0.04,