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 : 05/14/2026 15:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 00Z,   0.10,   9.63,   9.44,  99.90,  -0.29,
05/13 01Z,   0.10,   9.48,   9.31,  99.90,  -0.27,  (max)
05/13 02Z,   0.00,   8.30,   8.24,  99.90,  -0.06,
05/13 03Z,   0.00,   6.48,   6.63,  99.90,   0.15,
05/13 04Z,   0.00,   4.42,   4.60,  99.90,   0.18,
05/13 05Z,   0.00,   2.43,   2.61,  99.90,   0.18,
05/13 06Z,   0.00,   1.02,   1.15,  99.90,   0.13,
05/13 07Z,   0.00,   0.84,   1.14,  99.90,   0.30,  (min)
05/13 08Z,   0.00,   1.95,   2.22,  99.90,   0.27,
05/13 09Z,   0.00,   3.75,   3.92,  99.90,   0.17,
05/13 10Z,   0.00,   5.76,   5.70,  99.90,  -0.06,
05/13 11Z,   0.00,   7.75,   7.80,  99.90,   0.05,
05/13 12Z,   0.00,   9.19,   9.07,  99.90,  -0.12,
05/13 13Z,   0.00,   9.54,   9.39,  99.90,  -0.15,  (max)
05/13 14Z,   0.00,   8.74,   8.80,  99.90,   0.06,
05/13 15Z,   0.00,   7.10,   7.16,  99.90,   0.06,
05/13 16Z,   0.00,   5.07,   5.26,  99.90,   0.19,
05/13 17Z,   0.00,   2.99,   3.10,  99.90,   0.11,
05/13 18Z,   0.00,   1.27,   1.41,  99.90,   0.14,
05/13 19Z,   0.00,   0.60,   0.76,  99.90,   0.16,  (min)
05/13 20Z,   0.00,   1.38,   1.71,  99.90,   0.33,
05/13 21Z,   0.00,   3.18,   3.19,  99.90,   0.01,
05/13 22Z,   0.00,   5.36,   5.12,  99.90,  -0.24,
05/13 23Z,   0.00,   7.59,   7.37,  99.90,  -0.22,
05/14 00Z,   0.00,   9.46,   9.21,  99.90,  -0.25,
05/14 01Z,   0.00,  10.33,  10.12,  99.90,  -0.21,  (max)
05/14 02Z,   0.00,   9.92,   9.67,  99.90,  -0.25,
05/14 03Z,   0.00,   8.44,   8.32,  99.90,  -0.12,
05/14 04Z,   0.00,   6.30,   6.49,  99.90,   0.19,
05/14 05Z,   0.00,   3.93,   4.15,  99.90,   0.22,
05/14 06Z,   0.00,   1.71,   2.08,  99.90,   0.37,
05/14 07Z,   0.00,   0.25,   0.57,  99.90,   0.32,  (min)
05/14 08Z,   0.00,   0.22,   0.71,  99.90,   0.49,
05/14 09Z,   0.00,   1.57,   2.27,  99.90,   0.70,
05/14 10Z,   0.10,   3.62,   4.07,  99.90,   0.35,
05/14 11Z,   0.10,   5.90,   6.34,  99.90,   0.34,
05/14 12Z,   0.10,   8.09,   8.49,  99.90,   0.30,
05/14 13Z,   0.20,   9.55,   9.94,  99.90,   0.19,
05/14 14Z,   0.20,   9.79,  10.01,  99.90,   0.02,  (max)
05/14 15Z,   0.30,   8.81,   9.04,  99.90,  -0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 16Z,   0.30,   6.99,  99.90,   7.23,  -0.07,
05/14 17Z,   0.40,   4.76,  99.90,   5.11,  -0.06,
05/14 18Z,   0.40,   2.53,  99.90,   2.88,  -0.05,
05/14 19Z,   0.40,   0.80,  99.90,   1.16,  -0.04,
05/14 20Z,   0.50,   0.33,  99.90,   0.80,  -0.03,  (min)
05/14 21Z,   0.60,   1.43,  99.90,   2.01,  -0.02,
05/14 22Z,   0.60,   3.55,  99.90,   4.14,  -0.01,
05/14 23Z,   0.60,   6.00,  99.90,   6.60,  -0.00,
05/15 00Z,   0.60,   8.43,  99.90,   9.04,   0.01,
05/15 01Z,   0.70,  10.31,  99.90,  11.02,   0.02,
05/15 02Z,   0.70,  10.99,  99.90,  11.71,   0.03,  (max)
05/15 03Z,   0.70,  10.28,  99.90,  11.01,   0.04,
05/15 04Z,   0.70,   8.46,  99.90,   9.19,   0.04,
05/15 05Z,   0.70,   5.99,  99.90,   6.73,   0.04,
05/15 06Z,   0.70,   3.32,  99.90,   4.06,   0.04,
05/15 07Z,   0.80,   0.91,  99.90,   1.75,   0.04,
05/15 08Z,   0.80,  -0.52,  99.90,   0.32,   0.04,  (min)
05/15 09Z,   0.90,  -0.32,  99.90,   0.62,   0.04,
05/15 10Z,   0.90,   1.30,  99.90,   2.24,   0.04,
05/15 11Z,   1.00,   3.62,  99.90,   4.65,   0.04,
05/15 12Z,   1.00,   6.15,  99.90,   7.19,   0.04,
05/15 13Z,   1.00,   8.47,  99.90,   9.51,   0.04,
05/15 14Z,   1.10,   9.90,  99.90,  11.04,   0.04,  (max)
05/15 15Z,   1.00,   9.99,  99.90,  11.02,   0.04,
05/15 16Z,   1.00,   8.82,  99.90,   9.85,   0.04,
05/15 17Z,   1.00,   6.80,  99.90,   7.83,   0.04,
05/15 18Z,   0.90,   4.39,  99.90,   5.33,   0.04,
05/15 19Z,   0.80,   2.04,  99.90,   2.88,   0.04,
05/15 20Z,   0.70,   0.37,  99.90,   1.11,   0.04,
05/15 21Z,   0.70,   0.17,  99.90,   0.90,   0.04,  (min)
05/15 22Z,   0.60,   1.61,  99.90,   2.25,   0.04,
05/15 23Z,   0.50,   4.02,  99.90,   4.55,   0.04,
05/16 00Z,   0.40,   6.71,  99.90,   7.14,   0.04,
05/16 01Z,   0.30,   9.26,  99.90,   9.59,   0.04,
05/16 02Z,   0.30,  11.06,  99.90,  11.39,   0.04,
05/16 03Z,   0.20,  11.49,  99.90,  11.73,   0.04,  (max)
05/16 04Z,   0.10,  10.47,  99.90,  10.61,   0.04,
05/16 05Z,   0.10,   8.34,  99.90,   8.47,   0.04,
05/16 06Z,   0.10,   5.58,  99.90,   5.72,   0.04,
05/16 07Z,   0.00,   2.67,  99.90,   2.71,   0.04,
05/16 08Z,   0.10,   0.16,  99.90,   0.30,   0.04,
05/16 09Z,   0.10,  -1.15,  99.90,  -1.01,   0.04,  (min)
05/16 10Z,   0.10,  -0.68,  99.90,  -0.54,   0.04,
05/16 11Z,   0.10,   1.21,  99.90,   1.34,   0.04,
05/16 12Z,   0.10,   3.75,  99.90,   3.88,   0.04,
05/16 13Z,   0.10,   6.46,  99.90,   6.60,   0.04,
05/16 14Z,   0.10,   8.84,  99.90,   8.98,   0.04,
05/16 15Z,   0.00,  10.17,  99.90,  10.21,   0.04,  (max)
05/16 16Z,   0.00,  10.08,  99.90,  10.11,   0.04,
05/16 17Z,   0.00,   8.72,  99.90,   8.75,   0.04,
05/16 18Z,   0.00,   6.52,  99.90,   6.56,   0.04,
05/16 19Z,   0.00,   3.98,  99.90,   4.02,   0.04,
05/16 20Z,   0.00,   1.58,  99.90,   1.62,   0.04,
05/16 21Z,   0.00,   0.05,  99.90,   0.08,   0.04,  (min)
05/16 22Z,   0.00,   0.15,  99.90,   0.18,   0.04,
05/16 23Z,  -0.10,   1.90,  99.90,   1.84,   0.04,
05/17 00Z,  -0.10,   4.53,  99.90,   4.47,   0.04,
05/17 01Z,  -0.20,   7.37,  99.90,   7.21,   0.04,
05/17 02Z,  -0.20,   9.96,  99.90,   9.79,   0.04,
05/17 03Z,  -0.30,  11.61,  99.90,  11.35,   0.04,
05/17 04Z,  -0.30,  11.79,  99.90,  11.53,   0.04,  (max)
05/17 05Z,  -0.40,  10.49,  99.90,  10.13,   0.04,
05/17 06Z,  -0.40,   8.10,  99.90,   7.73,   0.04,
05/17 07Z,  -0.40,   5.13,  99.90,   4.76,   0.04,
05/17 08Z,  -0.30,   2.08,  99.90,   1.82,   0.04,
05/17 09Z,  -0.30,  -0.43,  99.90,  -0.70,   0.04,
05/17 10Z,  -0.30,  -1.55,  99.90,  -1.81,   0.04,  (min)
05/17 11Z,  -0.30,  -0.80,  99.90,  -1.07,   0.04,
05/17 12Z,  -0.20,   1.29,  99.90,   1.13,   0.04,
05/17 13Z,  -0.20,   3.98,  99.90,   3.81,   0.04,
05/17 14Z,  -0.20,   6.78,  99.90,   6.62,   0.04,
05/17 15Z,  -0.20,   9.13,  99.90,   8.97,   0.04,
05/17 16Z,  -0.30,  10.31,  99.90,  10.05,   0.04,  (max)
05/17 17Z,  -0.30,  10.04,  99.90,   9.77,   0.04,
05/17 18Z,  -0.30,   8.52,  99.90,   8.25,   0.04,
05/17 19Z,  -0.30,   6.20,  99.90,   5.94,   0.04,
05/17 20Z,  -0.30,   3.60,  99.90,   3.33,   0.04,
05/17 21Z,  -0.20,   1.22,  99.90,   1.06,   0.04,
05/17 22Z,  -0.20,  -0.13,  99.90,  -0.29,   0.04,  (min)
05/17 23Z,  -0.10,   0.27,  99.90,   0.21,   0.04,
05/18 00Z,  -0.10,   2.27,  99.90,   2.20,   0.04,
05/18 01Z,  -0.10,   5.03,  99.90,   4.96,   0.04,
05/18 02Z,   0.00,   7.91,  99.90,   7.95,   0.04,
05/18 03Z,  -0.10,  10.44,  99.90,  10.38,   0.04,
05/18 04Z,  -0.10,  11.92,  99.90,  11.85,   0.04,  (max)
05/18 05Z,  -0.10,  11.86,  99.90,  11.79,   0.04,
05/18 06Z,  -0.10,  10.34,  99.90,  10.28,   0.04,
05/18 07Z,  99.90,   7.79,  99.90,  99.90,   0.04,
05/18 08Z,  99.90,   4.71,  99.90,  99.90,   0.04,
05/18 09Z,  99.90,   1.63,  99.90,  99.90,   0.04,
05/18 10Z,  99.90,  -0.79,  99.90,  99.90,   0.04,
05/18 11Z,  99.90,  -1.67,  99.90,  99.90,   0.04,
05/18 12Z,  99.90,  -0.69,  99.90,  99.90,   0.04,