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 : 09/11/2026 22:22:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/10 06Z,   0.30,   5.29,   6.03,  99.90,   0.44,
09/10 07Z,   0.20,   2.42,   3.24,  99.90,   0.62,
09/10 08Z,   0.20,   0.19,   0.86,  99.90,   0.47,
09/10 09Z,   0.20,  -0.55,  -0.10,  99.90,   0.25,  (min)
09/10 10Z,   0.10,   0.21,   0.52,  99.90,   0.21,
09/10 11Z,   0.10,   1.99,   2.52,  99.90,   0.43,
09/10 12Z,   0.20,   4.49,   4.72,  99.90,   0.03,
09/10 13Z,   0.10,   7.21,   7.40,  99.90,   0.09,
09/10 14Z,   0.10,   9.33,   9.69,  99.90,   0.26,
09/10 15Z,   0.00,  10.26,  99.90,  99.90,  99.90,
09/10 16Z,   0.00,   9.90,  10.36,  99.90,   0.46,  (max)
09/10 17Z,   0.00,   8.45,   8.85,  99.90,   0.40,
09/10 18Z,   0.00,   6.20,   6.73,  99.90,   0.53,
09/10 19Z,   0.00,   3.48,   4.10,  99.90,   0.62,
09/10 20Z,   0.00,   1.02,   1.50,  99.90,   0.48,
09/10 21Z,   0.00,  -0.22,  -0.04,  99.90,   0.18,  (min)
09/10 22Z,   0.00,   0.18,   0.21,  99.90,   0.03,
09/10 23Z,   0.00,   1.80,   2.18,  99.90,   0.38,
09/11 00Z,   0.00,   4.20,   4.49,  99.90,   0.29,
09/11 01Z,   0.00,   7.01,   7.17,  99.90,   0.16,
09/11 02Z,   0.00,   9.49,   9.82,  99.90,   0.33,
09/11 03Z,   0.00,  10.87,  11.21,  99.90,   0.34,
09/11 04Z,   0.00,  10.90,  11.43,  99.90,   0.53,  (max)
09/11 05Z,   0.00,   9.70,  10.14,  99.90,   0.44,
09/11 06Z,   0.10,   7.55,   8.01,  99.90,   0.36,
09/11 07Z,   0.10,   4.77,   5.42,  99.90,   0.55,
09/11 08Z,   0.10,   1.88,   2.61,  99.90,   0.63,
09/11 09Z,   0.20,  -0.14,   0.43,  99.90,   0.37,
09/11 10Z,   0.30,  -0.56,  -0.20,  99.90,   0.06,  (min)
09/11 11Z,   0.40,   0.50,   0.99,  99.90,   0.09,
09/11 12Z,   0.40,   2.54,   3.03,  99.90,   0.09,
09/11 13Z,   0.50,   5.23,   5.56,  99.90,  -0.17,
09/11 14Z,   0.60,   7.98,   8.32,  99.90,  -0.26,
09/11 15Z,   0.60,   9.94,  10.38,  99.90,  -0.16,
09/11 16Z,   0.60,  10.61,  11.27,  99.90,   0.06,  (max)
09/11 17Z,   0.60,   9.96,  10.58,  99.90,   0.02,
09/11 18Z,   0.70,   8.24,   8.85,  99.90,  -0.09,
09/11 19Z,   0.70,   5.74,   6.50,  99.90,   0.06,
09/11 20Z,   0.80,   2.90,   3.87,  99.90,   0.17,
09/11 21Z,   0.80,   0.50,   1.53,  99.90,   0.23,
09/11 22Z,   0.80,  -0.49,   0.26,  99.90,  -0.05,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 23Z,   0.80,   0.17,  99.90,   0.93,  -0.03,
09/12 00Z,   0.80,   1.98,  99.90,   2.76,  -0.02,
09/12 01Z,   0.80,   4.52,  99.90,   5.31,  -0.00,
09/12 02Z,   0.70,   7.36,  99.90,   8.07,   0.02,
09/12 03Z,   0.70,   9.70,  99.90,  10.44,   0.03,
09/12 04Z,   0.60,  10.86,  99.90,  11.51,   0.05,  (max)
09/12 05Z,   0.50,  10.63,  99.90,  11.20,   0.07,
09/12 06Z,   0.50,   9.22,  99.90,   9.80,   0.08,
09/12 07Z,   0.50,   6.93,  99.90,   7.53,   0.10,
09/12 08Z,   0.50,   4.11,  99.90,   4.72,   0.12,
09/12 09Z,   0.50,   1.37,  99.90,   2.01,   0.13,
09/12 10Z,   0.50,  -0.29,  99.90,   0.36,   0.15,  (min)
09/12 11Z,   0.60,  -0.29,  99.90,   0.46,   0.15,
09/12 12Z,   0.60,   1.10,  99.90,   1.85,   0.15,
09/12 13Z,   0.60,   3.35,  99.90,   4.10,   0.15,
09/12 14Z,   0.60,   6.11,  99.90,   6.86,   0.15,
09/12 15Z,   0.60,   8.73,  99.90,   9.48,   0.15,
09/12 16Z,   0.60,  10.40,  99.90,  11.15,   0.15,
09/12 17Z,   0.60,  10.70,  99.90,  11.45,   0.15,  (max)
09/12 18Z,   0.60,   9.72,  99.90,  10.47,   0.15,
09/12 19Z,   0.60,   7.74,  99.90,   8.49,   0.15,
09/12 20Z,   0.60,   5.10,  99.90,   5.85,   0.15,
09/12 21Z,   0.60,   2.27,  99.90,   3.02,   0.15,
09/12 22Z,   0.60,   0.11,  99.90,   0.86,   0.15,
09/12 23Z,   0.60,  -0.52,  99.90,   0.23,   0.15,  (min)
09/13 00Z,   0.60,   0.43,  99.90,   1.18,   0.15,
09/13 01Z,   0.60,   2.39,  99.90,   3.14,   0.15,
09/13 02Z,   0.50,   4.98,  99.90,   5.63,   0.15,
09/13 03Z,   0.50,   7.72,  99.90,   8.37,   0.15,
09/13 04Z,   0.50,   9.81,  99.90,  10.46,   0.15,
09/13 05Z,   0.40,  10.63,  99.90,  11.18,   0.15,  (max)
09/13 06Z,   0.40,  10.13,  99.90,  10.68,   0.15,
09/13 07Z,   0.40,   8.52,  99.90,   9.07,   0.15,
09/13 08Z,   0.40,   6.16,  99.90,   6.71,   0.15,
09/13 09Z,   0.50,   3.44,  99.90,   4.09,   0.15,
09/13 10Z,   0.50,   1.01,  99.90,   1.66,   0.15,
09/13 11Z,   0.50,  -0.18,  99.90,   0.47,   0.15,  (min)
09/13 12Z,   0.50,   0.28,  99.90,   0.93,   0.15,
09/13 13Z,   0.50,   1.94,  99.90,   2.59,   0.15,
09/13 14Z,   0.50,   4.30,  99.90,   4.95,   0.15,
09/13 15Z,   0.50,   6.99,  99.90,   7.64,   0.15,
09/13 16Z,   0.50,   9.34,  99.90,   9.99,   0.15,
09/13 17Z,   0.50,  10.60,  99.90,  11.25,   0.15,  (max)
09/13 18Z,   0.50,  10.50,  99.90,  11.15,   0.15,
09/13 19Z,   0.50,   9.21,  99.90,   9.86,   0.15,
09/13 20Z,   0.60,   7.05,  99.90,   7.80,   0.15,
09/13 21Z,   0.60,   4.40,  99.90,   5.15,   0.15,
09/13 22Z,   0.60,   1.74,  99.90,   2.49,   0.15,
09/13 23Z,   0.60,  -0.06,  99.90,   0.69,   0.15,
09/14 00Z,   0.50,  -0.28,  99.90,   0.37,   0.15,  (min)
09/14 01Z,   0.50,   0.92,  99.90,   1.57,   0.15,
09/14 02Z,   0.50,   2.96,  99.90,   3.61,   0.15,
09/14 03Z,   0.50,   5.48,  99.90,   6.13,   0.15,
09/14 04Z,   0.40,   8.00,  99.90,   8.55,   0.15,
09/14 05Z,   0.40,   9.74,  99.90,  10.29,   0.15,
09/14 06Z,   0.40,  10.21,  99.90,  10.76,   0.15,  (max)
09/14 07Z,   0.40,   9.43,  99.90,   9.98,   0.15,
09/14 08Z,   0.40,   7.70,  99.90,   8.25,   0.15,
09/14 09Z,   0.40,   5.39,  99.90,   5.94,   0.15,
09/14 10Z,   0.50,   2.89,  99.90,   3.54,   0.15,
09/14 11Z,   0.50,   0.89,  99.90,   1.54,   0.15,
09/14 12Z,   0.60,   0.22,  99.90,   0.97,   0.15,  (min)
09/14 13Z,   0.60,   1.08,  99.90,   1.83,   0.15,
09/14 14Z,   0.70,   2.90,  99.90,   3.75,   0.15,
09/14 15Z,   0.60,   5.23,  99.90,   5.98,   0.15,
09/14 16Z,   0.50,   7.72,  99.90,   8.37,   0.15,
09/14 17Z,   0.60,   9.69,  99.90,  10.45,   0.15,
09/14 18Z,   0.50,  10.51,  99.90,  11.16,   0.15,  (max)
09/14 19Z,   0.50,  10.04,  99.90,  10.69,   0.15,
09/14 20Z,   0.60,   8.51,  99.90,   9.26,   0.15,
09/14 21Z,   0.50,   6.29,  99.90,   6.94,   0.15,
09/14 22Z,   0.50,   3.75,  99.90,   4.40,   0.15,
09/14 23Z,   0.50,   1.39,  99.90,   2.04,   0.15,
09/15 00Z,   0.60,   0.03,  99.90,   0.78,   0.15,  (min)
09/15 01Z,   0.60,   0.20,  99.90,   0.95,   0.15,
09/15 02Z,   0.60,   1.57,  99.90,   2.32,   0.15,
09/15 03Z,   0.60,   3.57,  99.90,   4.32,   0.15,
09/15 04Z,   0.60,   5.92,  99.90,   6.67,   0.15,
09/15 05Z,   0.60,   8.14,  99.90,   8.89,   0.15,
09/15 06Z,   0.70,   9.49,  99.90,  10.34,   0.15,
09/15 07Z,   0.70,   9.62,  99.90,  10.47,   0.15,  (max)
09/15 08Z,   0.70,   8.64,  99.90,   9.49,   0.15,
09/15 09Z,   0.70,   6.89,  99.90,   7.74,   0.15,
09/15 10Z,   0.80,   4.74,  99.90,   5.69,   0.15,
09/15 11Z,   0.80,   2.56,  99.90,   3.51,   0.15,
09/15 12Z,   0.90,   1.02,  99.90,   2.07,   0.15,
09/15 13Z,  99.90,   0.84,  99.90,  99.90,   0.15,
09/15 14Z,  99.90,   1.98,  99.90,  99.90,   0.15,
09/15 15Z,  99.90,   3.84,  99.90,  99.90,   0.15,
09/15 16Z,  99.90,   6.02,  99.90,  99.90,   0.15,
09/15 17Z,  99.90,   8.22,  99.90,  99.90,   0.15,
09/15 18Z,  99.90,   9.78,  99.90,  99.90,   0.15,