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 : 08/15/2026 02:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 06Z,   0.60,   8.44,   9.01,  99.90,  -0.03,
08/13 07Z,   0.60,   5.65,   6.54,  99.90,   0.29,
08/13 08Z,   0.60,   2.58,   3.58,  99.90,   0.40,
08/13 09Z,   0.50,   0.02,   0.88,  99.90,   0.36,
08/13 10Z,   0.60,  -1.06,  -0.47,  99.90,  -0.01,  (min)
08/13 11Z,   0.60,  -0.45,   0.07,  99.90,  -0.08,
08/13 12Z,   0.60,   1.35,   2.16,  99.90,   0.21,
08/13 13Z,   0.60,   3.89,   4.46,  99.90,  -0.03,
08/13 14Z,   0.60,   6.73,   7.17,  99.90,  -0.16,
08/13 15Z,   0.60,   9.09,   9.81,  99.90,   0.12,
08/13 16Z,   0.60,  10.28,  10.93,  99.90,   0.05,
08/13 17Z,   0.60,  10.10,  10.99,  99.90,   0.29,  (max)
08/13 18Z,   0.70,   8.73,   9.62,  99.90,   0.19,
08/13 19Z,   0.70,   6.49,   7.41,  99.90,   0.22,
08/13 20Z,   0.70,   3.76,   4.83,  99.90,   0.37,
08/13 21Z,   0.70,   1.17,   2.11,  99.90,   0.24,
08/13 22Z,   0.70,  -0.30,   0.36,  99.90,  -0.04,  (min)
08/13 23Z,   0.70,  -0.05,   0.52,  99.90,  -0.13,
08/14 00Z,   0.70,   1.60,   2.44,  99.90,   0.14,
08/14 01Z,   0.60,   4.07,   4.79,  99.90,   0.12,
08/14 02Z,   0.60,   6.95,   7.41,  99.90,  -0.14,
08/14 03Z,   0.60,   9.59,  10.07,  99.90,  -0.12,
08/14 04Z,   0.60,  11.19,  11.78,  99.90,  -0.01,
08/14 05Z,   0.60,  11.37,  12.12,  99.90,   0.15,  (max)
08/14 06Z,   0.60,  10.20,  10.78,  99.90,  -0.02,
08/14 07Z,   0.60,   7.99,   8.59,  99.90,  -0.00,
08/14 08Z,   0.60,   5.12,   5.93,  99.90,   0.21,
08/14 09Z,   0.60,   2.08,   3.05,  99.90,   0.37,
08/14 10Z,   0.60,  -0.27,   0.60,  99.90,   0.27,
08/14 11Z,   0.60,  -1.02,  -0.59,  99.90,  -0.17,  (min)
08/14 12Z,   0.50,  -0.11,   0.34,  99.90,  -0.05,
08/14 13Z,   0.50,   1.90,   2.38,  99.90,  -0.02,
08/14 14Z,   0.50,   4.56,   4.83,  99.90,  -0.23,
08/14 15Z,   0.50,   7.41,   7.58,  99.90,  -0.33,
08/14 16Z,   0.50,   9.62,   9.90,  99.90,  -0.22,
08/14 17Z,   0.50,  10.56,  10.99,  99.90,  -0.07,  (max)
08/14 18Z,   0.50,  10.13,  10.55,  99.90,  -0.08,
08/14 19Z,   0.50,   8.53,   8.89,  99.90,  -0.14,
08/14 20Z,   0.50,   6.12,   6.72,  99.90,   0.10,
08/14 21Z,   0.50,   3.31,   4.03,  99.90,   0.22,
08/14 22Z,   0.50,   0.80,   1.62,  99.90,   0.32,
08/14 23Z,   0.50,  -0.43,  -0.01,  99.90,  -0.08,  (min)
08/15 00Z,   0.50,   0.06,   0.35,  99.90,  -0.21,
08/15 01Z,   0.50,   1.83,   2.35,  99.90,   0.02,
08/15 02Z,   0.50,   4.34,   4.62,  99.90,  -0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/15 03Z,   0.40,   7.18,  99.90,   7.39,  -0.20,
08/15 04Z,   0.40,   9.67,  99.90,   9.90,  -0.18,
08/15 05Z,   0.40,  11.04,  99.90,  11.28,  -0.16,  (max)
08/15 06Z,   0.30,  10.98,  99.90,  11.15,  -0.13,
08/15 07Z,   0.30,   9.64,  99.90,   9.83,  -0.11,
08/15 08Z,   0.30,   7.36,  99.90,   7.57,  -0.09,
08/15 09Z,   0.30,   4.51,  99.90,   4.74,  -0.07,
08/15 10Z,   0.40,   1.64,  99.90,   1.99,  -0.05,
08/15 11Z,   0.40,  -0.35,  99.90,   0.02,  -0.03,
08/15 12Z,   0.50,  -0.69,  99.90,  -0.19,  -0.01,  (min)
08/15 13Z,   0.50,   0.51,  99.90,   1.03,   0.01,
08/15 14Z,   0.50,   2.65,  99.90,   3.19,   0.04,
08/15 15Z,   0.50,   5.34,  99.90,   5.88,   0.04,
08/15 16Z,   0.50,   8.06,  99.90,   8.60,   0.04,
08/15 17Z,   0.50,  10.01,  99.90,  10.54,   0.04,
08/15 18Z,   0.60,  10.63,  99.90,  11.26,   0.04,  (max)
08/15 19Z,   0.60,   9.91,  99.90,  10.55,   0.04,
08/15 20Z,   0.60,   8.13,  99.90,   8.76,   0.04,
08/15 21Z,   0.60,   5.64,  99.90,   6.27,   0.04,
08/15 22Z,   0.60,   2.87,  99.90,   3.51,   0.04,
08/15 23Z,   0.50,   0.57,  99.90,   1.11,   0.04,
08/16 00Z,   0.50,  -0.35,  99.90,   0.19,   0.04,  (min)
08/16 01Z,   0.50,   0.38,  99.90,   0.91,   0.04,
08/16 02Z,   0.50,   2.21,  99.90,   2.75,   0.04,
08/16 03Z,   0.50,   4.67,  99.90,   5.21,   0.04,
08/16 04Z,   0.40,   7.38,  99.90,   7.81,   0.04,
08/16 05Z,   0.40,   9.61,  99.90,  10.05,   0.04,
08/16 06Z,   0.40,  10.68,  99.90,  11.11,   0.04,  (max)
08/16 07Z,   0.40,  10.38,  99.90,  10.81,   0.04,
08/16 08Z,   0.40,   8.91,  99.90,   9.35,   0.04,
08/16 09Z,   0.50,   6.63,  99.90,   7.17,   0.04,
08/16 10Z,   0.50,   3.93,  99.90,   4.47,   0.04,
08/16 11Z,   0.50,   1.36,  99.90,   1.90,   0.04,
08/16 12Z,   0.50,  -0.18,  99.90,   0.36,   0.04,  (min)
08/16 13Z,   0.50,  -0.09,  99.90,   0.44,   0.04,
08/16 14Z,   0.50,   1.33,  99.90,   1.87,   0.04,
08/16 15Z,   0.50,   3.51,  99.90,   4.05,   0.04,
08/16 16Z,   0.50,   6.11,  99.90,   6.65,   0.04,
08/16 17Z,   0.60,   8.59,  99.90,   9.23,   0.04,
08/16 18Z,   0.60,  10.18,  99.90,  10.82,   0.04,
08/16 19Z,   0.60,  10.46,  99.90,  11.09,   0.04,  (max)
08/16 20Z,   0.60,   9.49,  99.90,  10.12,   0.04,
08/16 21Z,   0.50,   7.59,  99.90,   8.12,   0.04,
08/16 22Z,   0.50,   5.12,  99.90,   5.66,   0.04,
08/16 23Z,   0.40,   2.52,  99.90,   2.96,   0.04,
08/17 00Z,   0.40,   0.53,  99.90,   0.96,   0.04,
08/17 01Z,   0.40,  -0.05,  99.90,   0.38,   0.04,  (min)
08/17 02Z,   0.40,   0.85,  99.90,   1.29,   0.04,
08/17 03Z,   0.40,   2.67,  99.90,   3.10,   0.04,
08/17 04Z,   0.40,   4.99,  99.90,   5.43,   0.04,
08/17 05Z,   0.40,   7.46,  99.90,   7.90,   0.04,
08/17 06Z,   0.40,   9.38,  99.90,   9.82,   0.04,
08/17 07Z,   0.40,  10.14,  99.90,  10.58,   0.04,  (max)
08/17 08Z,   0.40,   9.64,  99.90,  10.07,   0.04,
08/17 09Z,   0.50,   8.12,  99.90,   8.65,   0.04,
08/17 10Z,   0.50,   5.95,  99.90,   6.48,   0.04,
08/17 11Z,   0.60,   3.50,  99.90,   4.13,   0.04,
08/17 12Z,   0.60,   1.31,  99.90,   1.95,   0.04,
08/17 13Z,   0.60,   0.24,  99.90,   0.87,   0.04,  (min)
08/17 14Z,   0.70,   0.68,  99.90,   1.42,   0.04,
08/17 15Z,   0.70,   2.22,  99.90,   2.96,   0.04,
08/17 16Z,   0.70,   4.34,  99.90,   5.07,   0.04,
08/17 17Z,   0.70,   6.75,  99.90,   7.48,   0.04,
08/17 18Z,   0.70,   8.91,  99.90,   9.65,   0.04,
08/17 19Z,   0.70,  10.13,  99.90,  10.86,   0.04,  (max)
08/17 20Z,   0.60,  10.09,  99.90,  10.72,   0.04,
08/17 21Z,   0.70,   8.94,  99.90,   9.67,   0.04,
08/17 22Z,   0.70,   7.02,  99.90,   7.75,   0.04,
08/17 23Z,   0.70,   4.68,  99.90,   5.42,   0.04,
08/18 00Z,   0.70,   2.32,  99.90,   3.06,   0.04,
08/18 01Z,   0.60,   0.67,  99.90,   1.31,   0.04,
08/18 02Z,   0.60,   0.39,  99.90,   1.03,   0.04,  (min)
08/18 03Z,   0.60,   1.39,  99.90,   2.02,   0.04,
08/18 04Z,   0.50,   3.10,  99.90,   3.63,   0.04,
08/18 05Z,   0.50,   5.22,  99.90,   5.76,   0.04,
08/18 06Z,   0.50,   7.43,  99.90,   7.96,   0.04,
08/18 07Z,   0.50,   9.02,  99.90,   9.56,   0.04,
08/18 08Z,   0.50,   9.51,  99.90,  10.04,   0.04,  (max)
08/18 09Z,   0.50,   8.86,  99.90,   9.40,   0.04,
08/18 10Z,   0.50,   7.38,  99.90,   7.92,   0.04,
08/18 11Z,   0.50,   5.40,  99.90,   5.94,   0.04,
08/18 12Z,   0.50,   3.26,  99.90,   3.79,   0.04,
08/18 13Z,   0.50,   1.48,  99.90,   2.02,   0.04,
08/18 14Z,   0.50,   0.82,  99.90,   1.36,   0.04,  (min)
08/18 15Z,   0.40,   1.51,  99.90,   1.95,   0.04,
08/18 16Z,   0.40,   3.05,  99.90,   3.49,   0.04,
08/18 17Z,   0.40,   5.02,  99.90,   5.46,   0.04,
08/18 18Z,   0.40,   7.19,  99.90,   7.63,   0.04,