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 : 04/16/2026 08:21:16 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 12Z,   0.00,   8.51,   8.59,  99.90,   0.08,
04/14 13Z,   0.10,   9.57,   9.71,  99.90,   0.04,  (max)
04/14 14Z,   0.10,   9.49,   9.54,  99.90,  -0.05,
04/14 15Z,   0.20,   8.38,   8.72,  99.90,   0.14,
04/14 16Z,   0.20,   6.59,   6.92,  99.90,   0.13,
04/14 17Z,   0.30,   4.48,   5.07,  99.90,   0.29,
04/14 18Z,   0.40,   2.37,   3.01,  99.90,   0.24,
04/14 19Z,   0.50,   0.86,   1.47,  99.90,   0.11,
04/14 20Z,   0.50,   0.62,   1.00,  99.90,  -0.12,  (min)
04/14 21Z,   0.60,   1.68,   2.20,  99.90,  -0.08,
04/14 22Z,   0.60,   3.46,   3.81,  99.90,  -0.25,
04/14 23Z,   0.70,   5.55,   5.93,  99.90,  -0.32,
04/15 00Z,   0.70,   7.69,   7.96,  99.90,  -0.43,
04/15 01Z,   0.80,   9.27,   9.62,  99.90,  -0.45,
04/15 02Z,   0.80,   9.74,  10.10,  99.90,  -0.44,  (max)
04/15 03Z,   0.80,   9.03,   9.61,  99.90,  -0.22,
04/15 04Z,   0.80,   7.43,   8.29,  99.90,   0.06,
04/15 05Z,   0.80,   5.32,   6.17,  99.90,   0.05,
04/15 06Z,   0.70,   3.06,   4.10,  99.90,   0.34,
04/15 07Z,   0.70,   1.14,   2.12,  99.90,   0.28,
04/15 08Z,   0.70,   0.32,   1.07,  99.90,   0.05,  (min)
04/15 09Z,   0.60,   0.98,   1.99,  99.90,   0.41,
04/15 10Z,   0.60,   2.67,   3.61,  99.90,   0.34,
04/15 11Z,   0.60,   4.81,   5.42,  99.90,   0.01,
04/15 12Z,   0.60,   7.11,   7.60,  99.90,  -0.11,
04/15 13Z,   0.50,   9.07,   9.63,  99.90,   0.06,
04/15 14Z,   0.50,  10.02,  10.53,  99.90,   0.01,  (max)
04/15 15Z,   0.40,   9.71,  10.11,  99.90,   0.00,
04/15 16Z,   0.50,   8.32,   8.88,  99.90,   0.06,
04/15 17Z,   0.50,   6.24,   6.65,  99.90,  -0.09,
04/15 18Z,   0.60,   3.88,   4.55,  99.90,   0.07,
04/15 19Z,   0.60,   1.65,   2.35,  99.90,   0.10,
04/15 20Z,   0.70,   0.27,   0.80,  99.90,  -0.17,  (min)
04/15 21Z,   0.60,   0.40,   0.86,  99.90,  -0.14,
04/15 22Z,   0.70,   1.88,   2.62,  99.90,   0.04,
04/15 23Z,   0.70,   4.04,   4.64,  99.90,  -0.10,
04/16 00Z,   0.70,   6.45,   6.86,  99.90,  -0.29,
04/16 01Z,   0.70,   8.72,   9.28,  99.90,  -0.14,
04/16 02Z,   0.70,  10.18,  10.64,  99.90,  -0.24,
04/16 03Z,   0.70,  10.32,  10.90,  99.90,  -0.12,  (max)
04/16 04Z,   0.70,   9.21,   9.85,  99.90,  -0.06,
04/16 05Z,   0.70,   7.19,   7.96,  99.90,   0.07,
04/16 06Z,   0.70,   4.71,   5.54,  99.90,   0.13,
04/16 07Z,   0.70,   2.18,   3.08,  99.90,   0.20,
04/16 08Z,   0.70,   0.22,   1.15,  99.90,   0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 09Z,   0.80,  -0.38,  99.90,   0.64,   0.22,  (min)
04/16 10Z,   0.80,   0.65,  99.90,   1.65,   0.21,
04/16 11Z,   0.70,   2.70,  99.90,   3.59,   0.19,
04/16 12Z,   0.80,   5.15,  99.90,   6.13,   0.18,
04/16 13Z,   0.80,   7.66,  99.90,   8.63,   0.16,
04/16 14Z,   0.80,   9.62,  99.90,  10.57,   0.15,
04/16 15Z,   0.70,  10.38,  99.90,  11.22,   0.14,  (max)
04/16 16Z,   0.80,   9.78,  99.90,  10.70,   0.12,
04/16 17Z,   0.80,   8.08,  99.90,   8.98,   0.11,
04/16 18Z,   0.80,   5.72,  99.90,   6.62,   0.09,
04/16 19Z,   0.80,   3.17,  99.90,   4.05,   0.08,
04/16 20Z,   0.70,   0.94,  99.90,   1.71,   0.07,
04/16 21Z,   0.80,  -0.17,  99.90,   0.69,   0.07,  (min)
04/16 22Z,   0.80,   0.40,  99.90,   1.27,   0.07,
04/16 23Z,   0.70,   2.33,  99.90,   3.09,   0.07,
04/17 00Z,   0.80,   4.84,  99.90,   5.71,   0.07,
04/17 01Z,   0.90,   7.48,  99.90,   8.44,   0.07,
04/17 02Z,   0.90,   9.75,  99.90,  10.72,   0.07,
04/17 03Z,   0.90,  10.96,  99.90,  11.92,   0.07,  (max)
04/17 04Z,   0.80,  10.71,  99.90,  11.58,   0.07,
04/17 05Z,   0.80,   9.17,  99.90,  10.03,   0.07,
04/17 06Z,   0.80,   6.75,  99.90,   7.61,   0.07,
04/17 07Z,   0.70,   3.95,  99.90,   4.71,   0.07,
04/17 08Z,   0.70,   1.25,  99.90,   2.02,   0.07,
04/17 09Z,   0.80,  -0.62,  99.90,   0.25,   0.07,
04/17 10Z,   0.70,  -0.88,  99.90,  -0.11,   0.07,  (min)
04/17 11Z,   0.70,   0.53,  99.90,   1.30,   0.07,
04/17 12Z,   0.60,   2.91,  99.90,   3.57,   0.07,
04/17 13Z,   0.60,   5.61,  99.90,   6.27,   0.07,
04/17 14Z,   0.70,   8.22,  99.90,   8.98,   0.07,
04/17 15Z,   0.70,  10.07,  99.90,  10.83,   0.07,
04/17 16Z,   0.70,  10.57,  99.90,  11.33,   0.07,  (max)
04/17 17Z,   0.70,   9.65,  99.90,  10.42,   0.07,
04/17 18Z,   0.80,   7.67,  99.90,   8.53,   0.07,
04/17 19Z,   0.80,   5.11,  99.90,   5.97,   0.07,
04/17 20Z,   0.80,   2.47,  99.90,   3.34,   0.07,
04/17 21Z,   0.70,   0.36,  99.90,   1.13,   0.07,
04/17 22Z,   0.70,  -0.39,  99.90,   0.38,   0.07,  (min)
04/17 23Z,   0.70,   0.66,  99.90,   1.42,   0.07,
04/18 00Z,   0.70,   2.97,  99.90,   3.73,   0.07,
04/18 01Z,   0.70,   5.73,  99.90,   6.50,   0.07,
04/18 02Z,   0.70,   8.47,  99.90,   9.24,   0.07,
04/18 03Z,   0.70,  10.62,  99.90,  11.39,   0.07,
04/18 04Z,   0.70,  11.50,  99.90,  12.27,   0.07,  (max)
04/18 05Z,   0.70,  10.85,  99.90,  11.62,   0.07,
04/18 06Z,   0.70,   8.91,  99.90,   9.67,   0.07,
04/18 07Z,   0.80,   6.17,  99.90,   7.03,   0.07,
04/18 08Z,   0.80,   3.17,  99.90,   4.03,   0.07,
04/18 09Z,   0.80,   0.44,  99.90,   1.31,   0.07,
04/18 10Z,   0.80,  -1.23,  99.90,  -0.36,   0.07,  (min)
04/18 11Z,   0.80,  -1.11,  99.90,  -0.25,   0.07,
04/18 12Z,   0.80,   0.65,  99.90,   1.52,   0.07,
04/18 13Z,   0.90,   3.25,  99.90,   4.22,   0.07,
04/18 14Z,   0.90,   6.08,  99.90,   7.04,   0.07,
04/18 15Z,   0.90,   8.66,  99.90,   9.63,   0.07,
04/18 16Z,   0.90,  10.32,  99.90,  11.28,   0.07,
04/18 17Z,   0.90,  10.53,  99.90,  11.50,   0.07,  (max)
04/18 18Z,   0.90,   9.34,  99.90,  10.31,   0.07,
04/18 19Z,   0.80,   7.15,  99.90,   8.02,   0.07,
04/18 20Z,   0.80,   4.49,  99.90,   5.36,   0.07,
04/18 21Z,   0.80,   1.89,  99.90,   2.75,   0.07,
04/18 22Z,   0.90,   0.00,  99.90,   0.97,   0.07,
04/18 23Z,   0.90,  -0.34,  99.90,   0.63,   0.07,  (min)
04/19 00Z,   0.90,   1.13,  99.90,   2.09,   0.07,
04/19 01Z,   1.00,   3.70,  99.90,   4.77,   0.07,
04/19 02Z,   0.90,   6.58,  99.90,   7.55,   0.07,
04/19 03Z,   0.90,   9.28,  99.90,  10.25,   0.07,
04/19 04Z,   0.80,  11.21,  99.90,  12.08,   0.07,
04/19 05Z,   0.80,  11.75,  99.90,  12.61,   0.07,  0.03 ft above HAT  (max)
04/19 06Z,   0.80,  10.73,  99.90,  11.59,   0.07,
04/19 07Z,   0.70,   8.49,  99.90,   9.26,   0.07,
04/19 08Z,   0.60,   5.57,  99.90,   6.24,   0.07,
04/19 09Z,   0.70,   2.51,  99.90,   3.27,   0.07,
04/19 10Z,   0.70,  -0.12,  99.90,   0.64,   0.07,
04/19 11Z,   0.70,  -1.51,  99.90,  -0.75,   0.07,  (min)
04/19 12Z,   0.70,  -1.05,  99.90,  -0.28,   0.07,
04/19 13Z,   0.70,   0.96,  99.90,   1.73,   0.07,
04/19 14Z,   0.80,   3.65,  99.90,   4.52,   0.07,
04/19 15Z,   0.80,   6.47,  99.90,   7.33,   0.07,
04/19 16Z,   0.80,   8.93,  99.90,   9.79,   0.07,
04/19 17Z,   0.80,  10.34,  99.90,  11.20,   0.07,  (max)
04/19 18Z,   0.80,  10.29,  99.90,  11.15,   0.07,
04/19 19Z,   0.70,   8.90,  99.90,   9.66,   0.07,
04/19 20Z,   0.60,   6.61,  99.90,   7.28,   0.07,
04/19 21Z,   0.60,   3.98,  99.90,   4.64,   0.07,
04/19 22Z,   0.60,   1.51,  99.90,   2.18,   0.07,
04/19 23Z,   0.70,  -0.09,  99.90,   0.67,   0.07,
04/20 00Z,   0.50,  -0.05,  99.90,   0.52,   0.07,