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
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 : 10/08/2026 10:22:57 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/06 18Z,   0.00, -11.62, -11.48,  99.90,   0.14,
10/06 19Z,   0.10, -11.24, -11.05,  99.90,   0.09,  (min)
10/06 20Z,   0.10,  -9.92,  -9.71,  99.90,   0.11,
10/06 21Z,   0.10,  -8.00,  -7.84,  99.90,   0.06,
10/06 22Z,   0.10,  -5.72,  -5.69,  99.90,  -0.07,
10/06 23Z,   0.10,  -3.65,  -3.61,  99.90,  -0.06,
10/07 00Z,   0.10,  -2.49,  -2.36,  99.90,   0.03,
10/07 01Z,   0.10,  -2.47,  -2.36,  99.90,   0.01,  (max)
10/07 02Z,   0.10,  -3.46,  -3.42,  99.90,  -0.06,
10/07 03Z,   0.00,  -5.22,  -5.14,  99.90,   0.08,
10/07 04Z,   0.00,  -7.54,  -7.42,  99.90,   0.12,
10/07 05Z,   0.00, -10.02,  -9.75,  99.90,   0.27,
10/07 06Z,   0.10, -11.87, -11.54,  99.90,   0.23,
10/07 07Z,   0.10, -12.39, -12.15,  99.90,   0.14,  (min)
10/07 08Z,   0.20, -11.68, -11.20,  99.90,   0.28,
10/07 09Z,   0.20, -10.14,  -9.60,  99.90,   0.34,
10/07 10Z,   0.30,  -7.95,  -7.52,  99.90,   0.13,
10/07 11Z,   0.40,  -5.54,  -5.32,  99.90,  -0.18,
10/07 12Z,   0.40,  -3.70,  -3.42,  99.90,  -0.12,
10/07 13Z,   0.50,  -2.91,  -2.53,  99.90,  -0.12,  (max)
10/07 14Z,   0.50,  -3.24,  -2.76,  99.90,  -0.02,
10/07 15Z,   0.50,  -4.49,  -4.16,  99.90,  -0.17,
10/07 16Z,   0.50,  -6.45,  -5.97,  99.90,  -0.02,
10/07 17Z,   0.50,  -8.84,  -8.14,  99.90,   0.20,
10/07 18Z,   0.50, -11.00, -10.22,  99.90,   0.28,
10/07 19Z,   0.60, -12.04, -11.35,  99.90,   0.09,  (min)
10/07 20Z,   0.60, -11.69, -10.97,  99.90,   0.12,
10/07 21Z,   0.60, -10.33,  -9.59,  99.90,   0.14,
10/07 22Z,   0.60,  -8.27,  -7.61,  99.90,   0.06,
10/07 23Z,   0.60,  -5.79,  -5.25,  99.90,  -0.06,
10/08 00Z,   0.60,  -3.60,  -3.05,  99.90,  -0.05,
10/08 01Z,   0.50,  -2.38,  -1.66,  99.90,   0.22,
10/08 02Z,   0.50,  -2.35,  -1.58,  99.90,   0.27,  (max)
10/08 03Z,   0.50,  -3.37,  -2.72,  99.90,   0.15,
10/08 04Z,   0.50,  -5.23,  -4.48,  99.90,   0.25,
10/08 05Z,   0.40,  -7.70,  -6.87,  99.90,   0.43,
10/08 06Z,   0.40, -10.30,  -9.30,  99.90,   0.60,
10/08 07Z,   0.40, -12.12, -11.21,  99.90,   0.51,
10/08 08Z,   0.30, -12.53, -11.96,  99.90,   0.27,  (min)
10/08 09Z,   0.30, -11.67, -10.85,  99.90,   0.52,
10/08 10Z,   0.30,  -9.92,  -9.14,  99.90,   0.48,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/08 11Z,   0.30,  -7.50,  99.90,  -6.75,   0.45,
10/08 12Z,   0.40,  -4.97,  99.90,  -4.14,   0.42,
10/08 13Z,   0.40,  -3.13,  99.90,  -2.33,   0.39,
10/08 14Z,   0.30,  -2.44,  99.90,  -1.78,   0.36,  (max)
10/08 15Z,   0.30,  -2.92,  99.90,  -2.29,   0.33,
10/08 16Z,   0.30,  -4.39,  99.90,  -3.78,   0.31,
10/08 17Z,   0.30,  -6.61,  99.90,  -6.03,   0.28,
10/08 18Z,   0.30,  -9.24,  99.90,  -8.69,   0.25,
10/08 19Z,   0.30, -11.50,  99.90, -10.98,   0.22,
10/08 20Z,   0.30, -12.49,  99.90, -12.00,   0.19,  (min)
10/08 21Z,   0.30, -12.04,  99.90, -11.58,   0.16,
10/08 22Z,   0.30, -10.54,  99.90, -10.12,   0.13,
10/08 23Z,   0.30,  -8.28,  99.90,  -7.86,   0.13,
10/09 00Z,   0.30,  -5.65,  99.90,  -5.22,   0.13,
10/09 01Z,   0.20,  -3.42,  99.90,  -3.09,   0.13,
10/09 02Z,   0.20,  -2.26,  99.90,  -1.94,   0.13,  (max)
10/09 03Z,   0.10,  -2.34,  99.90,  -2.11,   0.13,
10/09 04Z,   0.10,  -3.49,  99.90,  -3.27,   0.13,
10/09 05Z,   0.10,  -5.51,  99.90,  -5.28,   0.13,
10/09 06Z,   0.10,  -8.11,  99.90,  -7.89,   0.13,
10/09 07Z,   0.10, -10.73,  99.90, -10.50,   0.13,
10/09 08Z,   0.10, -12.38,  99.90, -12.15,   0.13,
10/09 09Z,   0.20, -12.52,  99.90, -12.20,   0.13,  (min)
10/09 10Z,   0.20, -11.41,  99.90, -11.08,   0.13,
10/09 11Z,   0.20,  -9.41,  99.90,  -9.08,   0.13,
10/09 12Z,   0.20,  -6.80,  99.90,  -6.47,   0.13,
10/09 13Z,   0.20,  -4.24,  99.90,  -3.91,   0.13,
10/09 14Z,   0.10,  -2.54,  99.90,  -2.31,   0.13,
10/09 15Z,   0.10,  -2.09,  99.90,  -1.87,   0.13,  (max)
10/09 16Z,   0.10,  -2.84,  99.90,  -2.62,   0.13,
10/09 17Z,   0.10,  -4.58,  99.90,  -4.35,   0.13,
10/09 18Z,   0.10,  -7.05,  99.90,  -6.83,   0.13,
10/09 19Z,   0.10,  -9.84,  99.90,  -9.61,   0.13,
10/09 20Z,   0.10, -12.05,  99.90, -11.82,   0.13,
10/09 21Z,   0.10, -12.84,  99.90, -12.61,   0.13,  (min)
10/09 22Z,   0.20, -12.17,  99.90, -11.84,   0.13,
10/09 23Z,   0.20, -10.47,  99.90, -10.14,   0.13,
10/10 00Z,   0.30,  -8.03,  99.90,  -7.60,   0.13,
10/10 01Z,   0.30,  -5.32,  99.90,  -4.89,   0.13,
10/10 02Z,   0.20,  -3.19,  99.90,  -2.86,   0.13,
10/10 03Z,   0.10,  -2.22,  99.90,  -1.99,   0.13,  (max)
10/10 04Z,   0.00,  -2.50,  99.90,  -2.38,   0.13,
10/10 05Z,   0.00,  -3.86,  99.90,  -3.73,   0.13,
10/10 06Z,  -0.10,  -6.03,  99.90,  -6.00,   0.13,
10/10 07Z,   0.00,  -8.70,  99.90,  -8.58,   0.13,
10/10 08Z,   0.00, -11.19,  99.90, -11.06,   0.13,
10/10 09Z,   0.00, -12.51,  99.90, -12.39,   0.13,  (min)
10/10 10Z,   0.00, -12.28,  99.90, -12.16,   0.13,
10/10 11Z,   0.00, -10.86,  99.90, -10.74,   0.13,
10/10 12Z,   0.00,  -8.63,  99.90,  -8.50,   0.13,
10/10 13Z,   0.00,  -5.93,  99.90,  -5.80,   0.13,
10/10 14Z,   0.00,  -3.49,  99.90,  -3.36,   0.13,
10/10 15Z,   0.00,  -2.08,  99.90,  -1.96,   0.13,
10/10 16Z,   0.00,  -1.98,  99.90,  -1.85,   0.13,  (max)
10/10 17Z,  -0.10,  -3.07,  99.90,  -3.04,   0.13,
10/10 18Z,  -0.10,  -5.08,  99.90,  -5.06,   0.13,
10/10 19Z,  -0.10,  -7.74,  99.90,  -7.71,   0.13,
10/10 20Z,   0.00, -10.53,  99.90, -10.41,   0.13,
10/10 21Z,   0.00, -12.52,  99.90, -12.40,   0.13,
10/10 22Z,   0.00, -12.98,  99.90, -12.85,   0.13,  (min)
10/10 23Z,   0.10, -12.02,  99.90, -11.79,   0.13,
10/11 00Z,   0.20, -10.11,  99.90,  -9.78,   0.13,
10/11 01Z,   0.20,  -7.55,  99.90,  -7.22,   0.13,
10/11 02Z,   0.20,  -4.90,  99.90,  -4.58,   0.13,
10/11 03Z,   0.20,  -3.00,  99.90,  -2.67,   0.13,
10/11 04Z,   0.20,  -2.33,  99.90,  -2.00,   0.13,  (max)
10/11 05Z,   0.20,  -2.89,  99.90,  -2.56,   0.13,
10/11 06Z,   0.20,  -4.45,  99.90,  -4.13,   0.13,
10/11 07Z,   0.20,  -6.73,  99.90,  -6.41,   0.13,
10/11 08Z,   0.20,  -9.36,  99.90,  -9.03,   0.13,
10/11 09Z,   0.30, -11.56,  99.90, -11.13,   0.13,
10/11 10Z,   0.30, -12.43,  99.90, -12.00,   0.13,  (min)
10/11 11Z,   0.30, -11.77,  99.90, -11.35,   0.13,
10/11 12Z,   0.30, -10.07,  99.90,  -9.64,   0.13,
10/11 13Z,   0.30,  -7.69,  99.90,  -7.26,   0.13,
10/11 14Z,   0.30,  -5.03,  99.90,  -4.60,   0.13,
10/11 15Z,   0.30,  -2.87,  99.90,  -2.44,   0.13,
10/11 16Z,   0.30,  -1.87,  99.90,  -1.44,   0.13,  (max)
10/11 17Z,   0.20,  -2.17,  99.90,  -1.85,   0.13,
10/11 18Z,   0.10,  -3.60,  99.90,  -3.37,   0.13,
10/11 19Z,   0.10,  -5.83,  99.90,  -5.60,   0.13,
10/11 20Z,   0.20,  -8.55,  99.90,  -8.23,   0.13,
10/11 21Z,   0.20, -11.19,  99.90, -10.86,   0.13,
10/11 22Z,   0.20, -12.80,  99.90, -12.48,   0.13,
10/11 23Z,   0.10, -12.84,  99.90, -12.61,   0.13,  (min)
10/12 00Z,   0.10, -11.58,  99.90, -11.36,   0.13,
10/12 01Z,  99.90,  -9.52,  99.90,  99.90,   0.13,
10/12 02Z,  99.90,  -6.96,  99.90,  99.90,   0.13,
10/12 03Z,  99.90,  -4.50,  99.90,  99.90,   0.13,
10/12 04Z,  99.90,  -2.93,  99.90,  99.90,   0.13,
10/12 05Z,  99.90,  -2.62,  99.90,  99.90,   0.13,
10/12 06Z,  99.90,  -3.47,  99.90,  99.90,   0.13,