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 : 10/09/2026 09:22:08 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
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,   0.40, -12.53, -11.96,  99.90,   0.17,  (min)
10/08 09Z,   0.40, -11.67, -10.85,  99.90,   0.42,
10/08 10Z,   0.40,  -9.92,  -9.14,  99.90,   0.38,
10/08 11Z,   0.40,  -7.50,  -6.89,  99.90,   0.21,
10/08 12Z,   0.40,  -4.97,  -4.48,  99.90,   0.09,
10/08 13Z,   0.40,  -3.13,  -2.49,  99.90,   0.24,
10/08 14Z,   0.40,  -2.44,  -1.72,  99.90,   0.32,  (max)
10/08 15Z,   0.40,  -2.92,  -2.18,  99.90,   0.34,
10/08 16Z,   0.40,  -4.39,  -3.59,  99.90,   0.40,
10/08 17Z,   0.40,  -6.61,  -5.77,  99.90,   0.44,
10/08 18Z,   0.40,  -9.24,  -8.14,  99.90,   0.70,
10/08 19Z,   0.40, -11.50, -10.29,  99.90,   0.81,
10/08 20Z,   0.40, -12.49, -11.75,  99.90,   0.34,  (min)
10/08 21Z,   0.40, -12.04, -11.17,  99.90,   0.47,
10/08 22Z,   0.40, -10.54,  -9.53,  99.90,   0.61,
10/08 23Z,   0.40,  -8.28,  -7.39,  99.90,   0.49,
10/09 00Z,   0.30,  -5.65,  -5.01,  99.90,   0.34,
10/09 01Z,   0.30,  -3.42,  -2.78,  99.90,   0.34,
10/09 02Z,   0.20,  -2.26,  -1.61,  99.90,   0.45,  (max)
10/09 03Z,   0.20,  -2.34,  -1.72,  99.90,   0.42,
10/09 04Z,   0.20,  -3.49,  -3.05,  99.90,   0.24,
10/09 05Z,   0.20,  -5.51,  -5.03,  99.90,   0.28,
10/09 06Z,   0.20,  -8.11,  -7.41,  99.90,   0.50,
10/09 07Z,   0.20, -10.73,  -9.94,  99.90,   0.59,
10/09 08Z,   0.20, -12.38, -11.74,  99.90,   0.44,
10/09 09Z,   0.20, -12.52, -12.16,  99.90,   0.16,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 10Z,   0.20, -11.41,  99.90, -11.04,   0.17,
10/09 11Z,   0.30,  -9.41,  99.90,  -8.94,   0.17,
10/09 12Z,   0.30,  -6.80,  99.90,  -6.33,   0.17,
10/09 13Z,   0.20,  -4.24,  99.90,  -3.86,   0.17,
10/09 14Z,   0.20,  -2.54,  99.90,  -2.17,   0.18,
10/09 15Z,   0.20,  -2.09,  99.90,  -1.71,   0.18,  (max)
10/09 16Z,   0.10,  -2.84,  99.90,  -2.56,   0.18,
10/09 17Z,   0.10,  -4.58,  99.90,  -4.30,   0.18,
10/09 18Z,   0.10,  -7.05,  99.90,  -6.77,   0.19,
10/09 19Z,   0.10,  -9.84,  99.90,  -9.55,   0.19,
10/09 20Z,   0.20, -12.05,  99.90, -11.66,   0.19,
10/09 21Z,   0.10, -12.84,  99.90, -12.55,   0.19,  (min)
10/09 22Z,   0.20, -12.17,  99.90, -11.78,   0.19,
10/09 23Z,   0.20, -10.47,  99.90, -10.08,   0.19,
10/10 00Z,   0.20,  -8.03,  99.90,  -7.63,   0.19,
10/10 01Z,   0.30,  -5.32,  99.90,  -4.83,   0.19,
10/10 02Z,   0.20,  -3.19,  99.90,  -2.80,   0.19,
10/10 03Z,   0.20,  -2.22,  99.90,  -1.83,   0.19,  (max)
10/10 04Z,   0.10,  -2.50,  99.90,  -2.21,   0.19,
10/10 05Z,   0.10,  -3.86,  99.90,  -3.57,   0.19,
10/10 06Z,   0.10,  -6.03,  99.90,  -5.74,   0.19,
10/10 07Z,   0.10,  -8.70,  99.90,  -8.41,   0.19,
10/10 08Z,   0.10, -11.19,  99.90, -10.90,   0.19,
10/10 09Z,   0.10, -12.51,  99.90, -12.22,   0.19,  (min)
10/10 10Z,   0.10, -12.28,  99.90, -11.99,   0.19,
10/10 11Z,   0.10, -10.86,  99.90, -10.57,   0.19,
10/10 12Z,   0.10,  -8.63,  99.90,  -8.34,   0.19,
10/10 13Z,   0.00,  -5.93,  99.90,  -5.73,   0.19,
10/10 14Z,   0.00,  -3.49,  99.90,  -3.30,   0.19,
10/10 15Z,   0.00,  -2.08,  99.90,  -1.89,   0.19,
10/10 16Z,   0.00,  -1.98,  99.90,  -1.79,   0.19,  (max)
10/10 17Z,  -0.10,  -3.07,  99.90,  -2.98,   0.19,
10/10 18Z,   0.00,  -5.08,  99.90,  -4.89,   0.19,
10/10 19Z,   0.00,  -7.74,  99.90,  -7.55,   0.19,
10/10 20Z,   0.00, -10.53,  99.90, -10.34,   0.19,
10/10 21Z,   0.00, -12.52,  99.90, -12.33,   0.19,
10/10 22Z,   0.10, -12.98,  99.90, -12.68,   0.19,  (min)
10/10 23Z,   0.20, -12.02,  99.90, -11.63,   0.19,
10/11 00Z,   0.20, -10.11,  99.90,  -9.72,   0.19,
10/11 01Z,   0.20,  -7.55,  99.90,  -7.16,   0.19,
10/11 02Z,   0.20,  -4.90,  99.90,  -4.51,   0.19,
10/11 03Z,   0.20,  -3.00,  99.90,  -2.61,   0.19,
10/11 04Z,   0.20,  -2.33,  99.90,  -1.93,   0.19,  (max)
10/11 05Z,   0.20,  -2.89,  99.90,  -2.50,   0.19,
10/11 06Z,   0.20,  -4.45,  99.90,  -4.06,   0.19,
10/11 07Z,   0.20,  -6.73,  99.90,  -6.34,   0.19,
10/11 08Z,   0.30,  -9.36,  99.90,  -8.86,   0.19,
10/11 09Z,   0.30, -11.56,  99.90, -11.06,   0.19,
10/11 10Z,   0.40, -12.43,  99.90, -11.84,   0.19,  (min)
10/11 11Z,   0.40, -11.77,  99.90, -11.18,   0.19,
10/11 12Z,   0.40, -10.07,  99.90,  -9.47,   0.19,
10/11 13Z,   0.40,  -7.69,  99.90,  -7.09,   0.19,
10/11 14Z,   0.40,  -5.03,  99.90,  -4.44,   0.19,
10/11 15Z,   0.30,  -2.87,  99.90,  -2.37,   0.19,
10/11 16Z,   0.30,  -1.87,  99.90,  -1.37,   0.19,  (max)
10/11 17Z,   0.20,  -2.17,  99.90,  -1.78,   0.19,
10/11 18Z,   0.20,  -3.60,  99.90,  -3.21,   0.19,
10/11 19Z,   0.20,  -5.83,  99.90,  -5.44,   0.19,
10/11 20Z,   0.10,  -8.55,  99.90,  -8.26,   0.19,
10/11 21Z,   0.20, -11.19,  99.90, -10.80,   0.19,
10/11 22Z,   0.20, -12.80,  99.90, -12.41,   0.19,
10/11 23Z,   0.20, -12.84,  99.90, -12.44,   0.19,  (min)
10/12 00Z,   0.20, -11.58,  99.90, -11.19,   0.19,
10/12 01Z,   0.20,  -9.52,  99.90,  -9.13,   0.19,
10/12 02Z,   0.20,  -6.96,  99.90,  -6.56,   0.19,
10/12 03Z,   0.20,  -4.50,  99.90,  -4.10,   0.19,
10/12 04Z,   0.20,  -2.93,  99.90,  -2.54,   0.19,
10/12 05Z,   0.30,  -2.62,  99.90,  -2.13,   0.19,  (max)
10/12 06Z,   0.30,  -3.47,  99.90,  -2.98,   0.19,
10/12 07Z,   0.40,  -5.21,  99.90,  -4.61,   0.19,
10/12 08Z,   0.40,  -7.50,  99.90,  -6.91,   0.19,
10/12 09Z,   0.40,  -9.94,  99.90,  -9.35,   0.19,
10/12 10Z,   0.50, -11.73,  99.90, -11.04,   0.19,
10/12 11Z,   0.60, -12.09,  99.90, -11.30,   0.19,  (min)
10/12 12Z,   0.60, -11.03,  99.90, -10.24,   0.19,
10/12 13Z,   0.60,  -9.12,  99.90,  -8.33,   0.19,
10/12 14Z,   0.60,  -6.71,  99.90,  -5.92,   0.19,
10/12 15Z,   0.60,  -4.25,  99.90,  -3.46,   0.19,
10/12 16Z,   0.50,  -2.48,  99.90,  -1.78,   0.19,
10/12 17Z,   0.50,  -1.94,  99.90,  -1.25,   0.19,  (max)
10/12 18Z,   0.50,  -2.66,  99.90,  -1.96,   0.19,
10/12 19Z,   0.50,  -4.36,  99.90,  -3.66,   0.19,
10/12 20Z,   0.60,  -6.70,  99.90,  -5.91,   0.19,
10/12 21Z,   0.70,  -9.34,  99.90,  -8.45,   0.19,
10/12 22Z,   0.80, -11.67,  99.90, -10.68,   0.19,
10/12 23Z,   0.90, -12.81,  99.90, -11.72,   0.19,  (min)
10/13 00Z,   0.90, -12.42,  99.90, -11.33,   0.19,
10/13 01Z,  99.90, -10.94,  99.90,  99.90,   0.19,
10/13 02Z,  99.90,  -8.82,  99.90,  99.90,   0.19,
10/13 03Z,  99.90,  -6.36,  99.90,  99.90,   0.19,
10/13 04Z,  99.90,  -4.20,  99.90,  99.90,   0.19,
10/13 05Z,  99.90,  -3.03,  99.90,  99.90,   0.19,
10/13 06Z,  99.90,  -3.09,  99.90,  99.90,   0.19,