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 : 07/10/2026 17:22:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 00Z,   0.70,   8.42,   9.03,  99.90,  -0.09,
07/09 01Z,   0.70,   6.38,   7.19,  99.90,   0.11,
07/09 02Z,   0.70,   4.21,   5.03,  99.90,   0.12,
07/09 03Z,   0.70,   2.25,   3.06,  99.90,   0.11,
07/09 04Z,   0.70,   0.88,   1.77,  99.90,   0.19,  (min)
07/09 05Z,   0.70,   0.68,   1.84,  99.90,   0.46,
07/09 06Z,   0.60,   1.81,   2.94,  99.90,   0.53,
07/09 07Z,   0.60,   3.66,   4.44,  99.90,   0.18,
07/09 08Z,   0.60,   5.61,   6.39,  99.90,   0.18,
07/09 09Z,   0.60,   7.44,   8.26,  99.90,   0.22,
07/09 10Z,   0.60,   8.77,   9.44,  99.90,   0.07,
07/09 11Z,   0.60,   9.07,   9.65,  99.90,  -0.02,  (max)
07/09 12Z,   0.60,   8.25,   8.78,  99.90,  -0.07,
07/09 13Z,   0.60,   6.62,   7.23,  99.90,   0.01,
07/09 14Z,   0.60,   4.67,   5.37,  99.90,   0.10,
07/09 15Z,   0.50,   2.80,   3.40,  99.90,   0.10,
07/09 16Z,   0.50,   1.35,   1.96,  99.90,   0.11,
07/09 17Z,   0.50,   0.84,   1.74,  99.90,   0.40,  (min)
07/09 18Z,   0.60,   1.71,   2.77,  99.90,   0.46,
07/09 19Z,   0.60,   3.64,   4.48,  99.90,   0.24,
07/09 20Z,   0.60,   5.87,   6.47,  99.90,   0.00,
07/09 21Z,   0.60,   7.99,   8.57,  99.90,  -0.02,
07/09 22Z,   0.50,   9.71,  10.32,  99.90,   0.11,
07/09 23Z,   0.50,  10.50,  10.94,  99.90,  -0.06,  (max)
07/10 00Z,   0.60,  10.03,  10.47,  99.90,  -0.16,
07/10 01Z,   0.50,   8.50,   8.94,  99.90,  -0.06,
07/10 02Z,   0.50,   6.37,   7.02,  99.90,   0.15,
07/10 03Z,   0.50,   4.10,   4.70,  99.90,   0.10,
07/10 04Z,   0.50,   2.01,   2.63,  99.90,   0.12,
07/10 05Z,   0.50,   0.56,   1.27,  99.90,   0.21,  (min)
07/10 06Z,   0.50,   0.36,   1.33,  99.90,   0.47,
07/10 07Z,   0.50,   1.51,   2.55,  99.90,   0.54,
07/10 08Z,   0.50,   3.37,   4.21,  99.90,   0.34,
07/10 09Z,   0.50,   5.39,   6.22,  99.90,   0.33,
07/10 10Z,   0.50,   7.33,   8.25,  99.90,   0.42,
07/10 11Z,   0.50,   8.72,   9.50,  99.90,   0.28,
07/10 12Z,   0.60,   9.04,   9.77,  99.90,   0.13,  (max)
07/10 13Z,   0.60,   8.23,   8.82,  99.90,  -0.01,
07/10 14Z,   0.60,   6.62,   7.36,  99.90,   0.14,
07/10 15Z,   0.60,   4.69,   5.37,  99.90,   0.08,
07/10 16Z,   0.60,   2.79,   3.42,  99.90,   0.03,
07/10 17Z,   0.60,   1.30,   1.96,  99.90,   0.06,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 18Z,   0.60,   0.82,  99.90,   1.49,   0.06,  (min)
07/10 19Z,   0.60,   1.79,  99.90,   2.45,   0.06,
07/10 20Z,   0.60,   3.78,  99.90,   4.44,   0.06,
07/10 21Z,   0.70,   6.08,  99.90,   6.84,   0.06,
07/10 22Z,   0.70,   8.31,  99.90,   9.07,   0.06,
07/10 23Z,   0.70,  10.09,  99.90,  10.85,   0.06,
07/11 00Z,   0.70,  10.85,  99.90,  11.61,   0.06,  (max)
07/11 01Z,   0.70,  10.30,  99.90,  11.06,   0.06,
07/11 02Z,   0.70,   8.69,  99.90,   9.45,   0.06,
07/11 03Z,   0.70,   6.46,  99.90,   7.22,   0.06,
07/11 04Z,   0.70,   4.04,  99.90,   4.80,   0.06,
07/11 05Z,   0.60,   1.77,  99.90,   2.43,   0.06,
07/11 06Z,   0.60,   0.19,  99.90,   0.85,   0.06,
07/11 07Z,   0.60,  -0.03,  99.90,   0.63,   0.06,  (min)
07/11 08Z,   0.60,   1.14,  99.90,   1.80,   0.06,
07/11 09Z,   0.60,   3.04,  99.90,   3.70,   0.06,
07/11 10Z,   0.70,   5.18,  99.90,   5.95,   0.06,
07/11 11Z,   0.70,   7.29,  99.90,   8.05,   0.06,
07/11 12Z,   0.70,   8.78,  99.90,   9.54,   0.06,
07/11 13Z,   0.70,   9.14,  99.90,   9.90,   0.06,  (max)
07/11 14Z,   0.70,   8.35,  99.90,   9.11,   0.06,
07/11 15Z,   0.70,   6.75,  99.90,   7.51,   0.06,
07/11 16Z,   0.70,   4.77,  99.90,   5.53,   0.06,
07/11 17Z,   0.80,   2.76,  99.90,   3.63,   0.06,
07/11 18Z,   0.70,   1.17,  99.90,   1.93,   0.06,
07/11 19Z,   0.70,   0.69,  99.90,   1.46,   0.06,  (min)
07/11 20Z,   0.70,   1.73,  99.90,   2.49,   0.06,
07/11 21Z,   0.70,   3.79,  99.90,   4.55,   0.06,
07/11 22Z,   0.70,   6.19,  99.90,   6.95,   0.06,
07/11 23Z,   0.70,   8.57,  99.90,   9.33,   0.06,
07/12 00Z,   0.70,  10.45,  99.90,  11.21,   0.06,
07/12 01Z,   0.70,  11.20,  99.90,  11.96,   0.06,  (max)
07/12 02Z,   0.70,  10.61,  99.90,  11.37,   0.06,
07/12 03Z,   0.70,   8.92,  99.90,   9.68,   0.06,
07/12 04Z,   0.60,   6.58,  99.90,   7.24,   0.06,
07/12 05Z,   0.60,   3.97,  99.90,   4.63,   0.06,
07/12 06Z,   0.50,   1.49,  99.90,   2.05,   0.06,
07/12 07Z,   0.50,  -0.22,  99.90,   0.35,   0.06,
07/12 08Z,   0.50,  -0.44,  99.90,   0.12,   0.06,  (min)
07/12 09Z,   0.50,   0.77,  99.90,   1.33,   0.06,
07/12 10Z,   0.60,   2.75,  99.90,   3.42,   0.06,
07/12 11Z,   0.60,   5.07,  99.90,   5.73,   0.06,
07/12 12Z,   0.60,   7.36,  99.90,   8.02,   0.06,
07/12 13Z,   0.70,   8.95,  99.90,   9.71,   0.06,
07/12 14Z,   0.70,   9.34,  99.90,  10.11,   0.06,  (max)
07/12 15Z,   0.70,   8.56,  99.90,   9.32,   0.06,
07/12 16Z,   0.60,   6.92,  99.90,   7.59,   0.06,
07/12 17Z,   0.60,   4.84,  99.90,   5.50,   0.06,
07/12 18Z,   0.60,   2.66,  99.90,   3.33,   0.06,
07/12 19Z,   0.50,   0.94,  99.90,   1.50,   0.06,
07/12 20Z,   0.50,   0.47,  99.90,   1.03,   0.06,  (min)
07/12 21Z,   0.50,   1.58,  99.90,   2.14,   0.06,
07/12 22Z,   0.50,   3.72,  99.90,   4.28,   0.06,
07/12 23Z,   0.50,   6.26,  99.90,   6.82,   0.06,
07/13 00Z,   0.50,   8.80,  99.90,   9.36,   0.06,
07/13 01Z,   0.50,  10.77,  99.90,  11.34,   0.06,
07/13 02Z,   0.50,  11.53,  99.90,  12.09,   0.06,  (max)
07/13 03Z,   0.40,  10.90,  99.90,  11.36,   0.06,
07/13 04Z,   0.30,   9.13,  99.90,   9.49,   0.06,
07/13 05Z,   0.30,   6.65,  99.90,   7.01,   0.06,
07/13 06Z,   0.30,   3.84,  99.90,   4.20,   0.06,
07/13 07Z,   0.20,   1.16,  99.90,   1.42,   0.06,
07/13 08Z,   0.30,  -0.62,  99.90,  -0.26,   0.06,
07/13 09Z,   0.30,  -0.80,  99.90,  -0.44,   0.06,  (min)
07/13 10Z,   0.30,   0.49,  99.90,   0.85,   0.06,
07/13 11Z,   0.30,   2.60,  99.90,   2.96,   0.06,
07/13 12Z,   0.40,   5.10,  99.90,   5.57,   0.06,
07/13 13Z,   0.30,   7.55,  99.90,   7.92,   0.06,
07/13 14Z,   0.30,   9.22,  99.90,   9.58,   0.06,
07/13 15Z,   0.30,   9.62,  99.90,   9.98,   0.06,  (max)
07/13 16Z,   0.30,   8.79,  99.90,   9.16,   0.06,
07/13 17Z,   0.30,   7.07,  99.90,   7.43,   0.06,
07/13 18Z,   0.30,   4.83,  99.90,   5.19,   0.06,
07/13 19Z,   0.20,   2.47,  99.90,   2.73,   0.06,
07/13 20Z,   0.20,   0.65,  99.90,   0.91,   0.06,
07/13 21Z,   0.10,   0.21,  99.90,   0.37,   0.06,  (min)
07/13 22Z,   0.20,   1.41,  99.90,   1.68,   0.06,
07/13 23Z,   0.10,   3.65,  99.90,   3.82,   0.06,
07/14 00Z,   0.10,   6.33,  99.90,   6.49,   0.06,
07/14 01Z,   0.10,   9.01,  99.90,   9.18,   0.06,
07/14 02Z,   0.00,  11.05,  99.90,  11.11,   0.06,
07/14 03Z,   0.10,  11.79,  99.90,  11.95,   0.06,  (max)
07/14 04Z,   0.00,  11.09,  99.90,  11.16,   0.06,
07/14 05Z,   0.00,   9.23,  99.90,   9.30,   0.06,
07/14 06Z,   0.00,   6.61,  99.90,   6.67,   0.06,
07/14 07Z,   0.00,   3.62,  99.90,   3.68,   0.06,
07/14 08Z,   0.00,   0.79,  99.90,   0.86,   0.06,
07/14 09Z,   0.00,  -0.98,  99.90,  -0.92,   0.06,
07/14 10Z,   0.00,  -1.04,  99.90,  -0.97,   0.06,  (min)
07/14 11Z,   0.00,   0.38,  99.90,   0.44,   0.06,
07/14 12Z,   0.10,   2.63,  99.90,   2.79,   0.06,