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 : 01/18/2026 20:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/17 00Z,  -0.50,   4.24,   3.75,  99.90,   0.01,
01/17 01Z,  -0.40,   6.23,   5.73,  99.90,  -0.10,
01/17 02Z,  -0.40,   7.71,   6.98,  99.90,  -0.33,
01/17 03Z,  -0.40,   8.26,   7.80,  99.90,  -0.06,  (max)
01/17 04Z,  -0.40,   7.89,   7.54,  99.90,   0.05,
01/17 05Z,  -0.40,   6.79,   6.36,  99.90,  -0.03,
01/17 06Z,  -0.50,   5.20,   5.08,  99.90,   0.38,
01/17 07Z,  -0.50,   3.36,   3.31,  99.90,   0.45,
01/17 08Z,  -0.40,   1.87,   1.76,  99.90,   0.29,
01/17 09Z,  -0.40,   1.46,   1.21,  99.90,   0.15,  (min)
01/17 10Z,  -0.40,   2.20,   2.06,  99.90,   0.26,
01/17 11Z,  -0.40,   3.62,   3.33,  99.90,   0.11,
01/17 12Z,  -0.30,   5.47,   4.99,  99.90,  -0.18,
01/17 13Z,  -0.30,   7.52,   6.96,  99.90,  -0.26,
01/17 14Z,  -0.20,   9.17,   8.54,  99.90,  -0.43,
01/17 15Z,  -0.10,   9.83,   9.57,  99.90,  -0.16,  (max)
01/17 16Z,   0.00,   9.42,   9.19,  99.90,  -0.23,
01/17 17Z,   0.00,   8.14,   7.91,  99.90,  -0.23,
01/17 18Z,   0.20,   6.24,   6.42,  99.90,  -0.02,
01/17 19Z,   0.30,   3.98,   4.45,  99.90,   0.17,
01/17 20Z,   0.40,   1.79,   2.50,  99.90,   0.31,
01/17 21Z,   0.50,   0.47,   1.08,  99.90,   0.11,
01/17 22Z,   0.50,   0.44,   1.02,  99.90,   0.08,  (min)
01/17 23Z,   0.40,   1.37,   2.19,  99.90,   0.42,
01/18 00Z,   0.30,   2.92,   3.50,  99.90,   0.28,
01/18 01Z,   0.10,   4.92,   5.12,  99.90,   0.10,
01/18 02Z,   0.00,   6.92,   6.95,  99.90,   0.03,
01/18 03Z,   0.00,   8.21,   8.43,  99.90,   0.22,
01/18 04Z,   0.00,   8.48,   8.55,  99.90,   0.07,  (max)
01/18 05Z,   0.00,   7.79,   7.68,  99.90,  -0.11,
01/18 06Z,   0.00,   6.40,   6.32,  99.90,  -0.08,
01/18 07Z,   0.00,   4.57,   4.64,  99.90,   0.07,
01/18 08Z,   0.00,   2.66,   2.76,  99.90,   0.10,
01/18 09Z,   0.00,   1.36,   1.46,  99.90,   0.10,
01/18 10Z,   0.00,   1.31,   1.35,  99.90,   0.04,  (min)
01/18 11Z,   0.00,   2.42,   2.61,  99.90,   0.19,
01/18 12Z,   0.00,   4.13,   4.30,  99.90,   0.17,
01/18 13Z,   0.00,   6.18,   6.24,  99.90,   0.06,
01/18 14Z,   0.10,   8.26,   8.12,  99.90,  -0.24,
01/18 15Z,   0.10,   9.71,   9.86,  99.90,   0.05,
01/18 16Z,   0.10,  10.05,  10.24,  99.90,   0.09,  (max)
01/18 17Z,   0.10,   9.27,   9.36,  99.90,  -0.01,
01/18 18Z,   0.10,   7.64,   8.09,  99.90,   0.35,
01/18 19Z,   0.10,   5.47,   5.73,  99.90,   0.16,
01/18 20Z,   0.10,   3.07,   3.73,  99.90,   0.56,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 21Z,   0.20,   1.00,  99.90,   1.73,   0.53,
01/18 22Z,   0.30,   0.05,  99.90,   0.85,   0.49,  (min)
01/18 23Z,   0.30,   0.47,  99.90,   1.23,   0.46,
01/19 00Z,   0.50,   1.79,  99.90,   2.72,   0.43,
01/19 01Z,   0.60,   3.63,  99.90,   4.62,   0.39,
01/19 02Z,   0.60,   5.76,  99.90,   6.73,   0.36,
01/19 03Z,   0.80,   7.66,  99.90,   8.79,   0.33,
01/19 04Z,   1.00,   8.67,  99.90,   9.96,   0.30,  (max)
01/19 05Z,   1.00,   8.56,  99.90,   9.83,   0.26,
01/19 06Z,   1.10,   7.51,  99.90,   8.84,   0.23,
01/19 07Z,   1.20,   5.82,  99.90,   7.21,   0.20,
01/19 08Z,   1.30,   3.81,  99.90,   5.27,   0.16,
01/19 09Z,   1.40,   1.93,  99.90,   3.50,   0.16,
01/19 10Z,   1.40,   0.93,  99.90,   2.49,   0.16,  (min)
01/19 11Z,   1.40,   1.33,  99.90,   2.90,   0.16,
01/19 12Z,   1.30,   2.82,  99.90,   4.29,   0.16,
01/19 13Z,   1.30,   4.80,  99.90,   6.27,   0.16,
01/19 14Z,   1.20,   6.99,  99.90,   8.35,   0.16,
01/19 15Z,   1.10,   8.98,  99.90,  10.25,   0.16,
01/19 16Z,   1.00,  10.13,  99.90,  11.30,   0.16,  (max)
01/19 17Z,   0.90,  10.07,  99.90,  11.13,   0.16,
01/19 18Z,   0.70,   8.88,  99.90,   9.74,   0.16,
01/19 19Z,   0.60,   6.91,  99.90,   7.67,   0.16,
01/19 20Z,   0.50,   4.52,  99.90,   5.18,   0.16,
01/19 21Z,   0.30,   2.11,  99.90,   2.57,   0.16,
01/19 22Z,   0.10,   0.30,  99.90,   0.57,   0.16,
01/19 23Z,   0.00,  -0.16,  99.90,   0.01,   0.16,  (min)
01/20 00Z,  -0.20,   0.76,  99.90,   0.73,   0.16,
01/20 01Z,  -0.40,   2.46,  99.90,   2.22,   0.16,
01/20 02Z,  -0.50,   4.53,  99.90,   4.19,   0.16,
01/20 03Z,  -0.60,   6.70,  99.90,   6.26,   0.16,
01/20 04Z,  -0.70,   8.38,  99.90,   7.85,   0.16,
01/20 05Z,  -0.80,   9.01,  99.90,   8.37,   0.16,  (max)
01/20 06Z,  -0.90,   8.48,  99.90,   7.74,   0.16,
01/20 07Z,  -0.80,   7.04,  99.90,   6.40,   0.16,
01/20 08Z,  -0.70,   5.09,  99.90,   4.55,   0.16,
01/20 09Z,  -0.70,   2.99,  99.90,   2.45,   0.16,
01/20 10Z,  -0.70,   1.26,  99.90,   0.72,   0.16,
01/20 11Z,  -0.70,   0.66,  99.90,   0.13,   0.16,  (min)
01/20 12Z,  -0.70,   1.54,  99.90,   1.01,   0.16,
01/20 13Z,  -0.70,   3.39,  99.90,   2.85,   0.16,
01/20 14Z,  -0.70,   5.57,  99.90,   5.03,   0.16,
01/20 15Z,  -0.70,   7.78,  99.90,   7.24,   0.16,
01/20 16Z,  -0.70,   9.58,  99.90,   9.04,   0.16,
01/20 17Z,  -0.70,  10.35,  99.90,   9.81,   0.16,  (max)
01/20 18Z,  -0.70,   9.84,  99.90,   9.30,   0.16,
01/20 19Z,  -0.70,   8.25,  99.90,   7.71,   0.16,
01/20 20Z,  -0.80,   5.99,  99.90,   5.36,   0.16,
01/20 21Z,  -0.90,   3.50,  99.90,   2.76,   0.16,
01/20 22Z,  -0.90,   1.21,  99.90,   0.47,   0.16,
01/20 23Z,  -0.90,  -0.19,  99.90,  -0.93,   0.16,  (min)
01/21 00Z,  -1.00,  -0.09,  99.90,  -0.93,   0.16,
01/21 01Z,  -1.10,   1.32,  99.90,   0.38,   0.16,
01/21 02Z,  -1.20,   3.33,  99.90,   2.30,   0.16,
01/21 03Z,  -1.20,   5.54,  99.90,   4.51,   0.16,
01/21 04Z,  -1.20,   7.63,  99.90,   6.60,   0.16,
01/21 05Z,  -1.10,   9.00,  99.90,   8.06,   0.16,
01/21 06Z,  -1.00,   9.18,  99.90,   8.35,   0.16,  (max)
01/21 07Z,  -0.80,   8.21,  99.90,   7.57,   0.16,
01/21 08Z,  -0.70,   6.43,  99.90,   5.89,   0.16,
01/21 09Z,  -0.60,   4.28,  99.90,   3.85,   0.16,
01/21 10Z,  -0.50,   2.20,  99.90,   1.86,   0.16,
01/21 11Z,  -0.40,   0.73,  99.90,   0.49,   0.16,
01/21 12Z,  -0.30,   0.59,  99.90,   0.45,   0.16,  (min)
01/21 13Z,  -0.20,   1.92,  99.90,   1.88,   0.16,
01/21 14Z,  -0.20,   4.04,  99.90,   4.00,   0.16,
01/21 15Z,  -0.10,   6.31,  99.90,   6.38,   0.16,
01/21 16Z,  -0.20,   8.45,  99.90,   8.41,   0.16,
01/21 17Z,  -0.20,   9.97,  99.90,   9.93,   0.16,
01/21 18Z,  -0.20,  10.31,  99.90,  10.28,   0.16,  (max)
01/21 19Z,  -0.20,   9.37,  99.90,   9.33,   0.16,
01/21 20Z,  -0.10,   7.44,  99.90,   7.51,   0.16,
01/21 21Z,  -0.10,   5.01,  99.90,   5.08,   0.16,
01/21 22Z,  -0.10,   2.54,  99.90,   2.61,   0.16,
01/21 23Z,  -0.10,   0.51,  99.90,   0.57,   0.16,
01/22 00Z,  -0.10,  -0.40,  99.90,  -0.34,   0.16,  (min)
01/22 01Z,  -0.10,   0.26,  99.90,   0.33,   0.16,
01/22 02Z,  -0.20,   2.10,  99.90,   2.06,   0.16,
01/22 03Z,  -0.30,   4.33,  99.90,   4.19,   0.16,
01/22 04Z,  -0.30,   6.57,  99.90,   6.43,   0.16,
01/22 05Z,  -0.30,   8.47,  99.90,   8.34,   0.16,
01/22 06Z,  -0.30,   9.45,  99.90,   9.32,   0.16,  (max)
01/22 07Z,  -0.30,   9.18,  99.90,   9.04,   0.16,
01/22 08Z,  -0.20,   7.80,  99.90,   7.76,   0.16,
01/22 09Z,  -0.20,   5.74,  99.90,   5.71,   0.16,
01/22 10Z,  -0.20,   3.51,  99.90,   3.47,   0.16,
01/22 11Z,  -0.20,   1.53,  99.90,   1.49,   0.16,
01/22 12Z,  -0.10,   0.38,  99.90,   0.44,   0.16,