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 : 07/19/2026 08:22:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 12Z,   0.40,  -1.11,  -0.58,  99.90,   0.13,
07/17 13Z,   0.40,  -0.49,  -0.13,  99.90,  -0.04,  (min)
07/17 14Z,   0.40,   1.33,   1.80,  99.90,   0.07,
07/17 15Z,   0.40,   3.84,   4.20,  99.90,  -0.04,
07/17 16Z,   0.40,   6.65,   6.88,  99.90,  -0.17,
07/17 17Z,   0.40,   9.05,   9.34,  99.90,  -0.11,
07/17 18Z,   0.40,  10.31,  10.69,  99.90,  -0.02,  (max)
07/17 19Z,   0.40,  10.20,  10.62,  99.90,   0.02,
07/17 20Z,   0.40,   8.88,   9.30,  99.90,   0.02,
07/17 21Z,   0.50,   6.69,   7.23,  99.90,   0.04,
07/17 22Z,   0.50,   4.04,   4.66,  99.90,   0.12,
07/17 23Z,   0.50,   1.50,   2.25,  99.90,   0.25,
07/18 00Z,   0.50,  -0.01,   0.65,  99.90,   0.16,
07/18 01Z,   0.50,   0.15,   0.55,  99.90,  -0.10,  (min)
07/18 02Z,   0.50,   1.69,   2.22,  99.90,   0.03,
07/18 03Z,   0.50,   3.99,   4.42,  99.90,  -0.07,
07/18 04Z,   0.50,   6.69,   7.05,  99.90,  -0.14,
07/18 05Z,   0.40,   9.22,   9.58,  99.90,  -0.04,
07/18 06Z,   0.40,  10.81,  11.18,  99.90,  -0.03,
07/18 07Z,   0.40,  11.03,  11.49,  99.90,   0.06,  (max)
07/18 08Z,   0.40,   9.94,  10.45,  99.90,   0.11,
07/18 09Z,   0.40,   7.86,   8.38,  99.90,   0.12,
07/18 10Z,   0.40,   5.15,   5.87,  99.90,   0.32,
07/18 11Z,   0.40,   2.29,   3.11,  99.90,   0.42,
07/18 12Z,   0.40,   0.05,   0.71,  99.90,   0.26,
07/18 13Z,   0.40,  -0.71,  -0.22,  99.90,   0.09,  (min)
07/18 14Z,   0.40,   0.12,   0.51,  99.90,  -0.01,
07/18 15Z,   0.50,   1.99,   2.43,  99.90,  -0.06,
07/18 16Z,   0.50,   4.46,   4.82,  99.90,  -0.14,
07/18 17Z,   0.50,   7.15,   7.45,  99.90,  -0.20,
07/18 18Z,   0.50,   9.32,   9.79,  99.90,  -0.03,
07/18 19Z,   0.50,  10.34,  11.00,  99.90,   0.16,  (max)
07/18 20Z,   0.40,  10.02,  10.77,  99.90,   0.35,
07/18 21Z,   0.40,   8.60,   9.17,  99.90,   0.17,
07/18 22Z,   0.30,   6.40,   7.12,  99.90,   0.42,
07/18 23Z,   0.30,   3.82,   4.71,  99.90,   0.59,
07/19 00Z,   0.40,   1.44,   2.38,  99.90,   0.54,
07/19 01Z,   0.40,   0.17,   0.89,  99.90,   0.32,  (min)
07/19 02Z,   0.40,   0.47,   1.04,  99.90,   0.17,
07/19 03Z,   0.50,   1.98,   2.66,  99.90,   0.18,
07/19 04Z,   0.40,   4.14,   4.90,  99.90,   0.36,
07/19 05Z,   0.40,   6.66,   7.06,  99.90,  -0.00,
07/19 06Z,   0.30,   8.97,   9.59,  99.90,   0.32,
07/19 07Z,   0.30,  10.33,  11.09,  99.90,   0.46,
07/19 08Z,   0.30,  10.39,  11.17,  99.90,   0.48,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 09Z,   0.30,   9.25,  99.90,  10.01,   0.46,
07/19 10Z,   0.40,   7.25,  99.90,   8.08,   0.43,
07/19 11Z,   0.40,   4.73,  99.90,   5.54,   0.41,
07/19 12Z,   0.40,   2.15,  99.90,   2.93,   0.38,
07/19 13Z,   0.40,   0.28,  99.90,   1.03,   0.35,
07/19 14Z,   0.30,  -0.14,  99.90,   0.49,   0.33,  (min)
07/19 15Z,   0.30,   0.86,  99.90,   1.46,   0.30,
07/19 16Z,   0.20,   2.70,  99.90,   3.18,   0.27,
07/19 17Z,   0.20,   5.06,  99.90,   5.51,   0.25,
07/19 18Z,   0.20,   7.56,  99.90,   7.98,   0.22,
07/19 19Z,   0.20,   9.47,  99.90,   9.87,   0.19,
07/19 20Z,   0.30,  10.22,  99.90,  10.69,   0.17,  (max)
07/19 21Z,   0.30,   9.73,  99.90,  10.20,   0.17,
07/19 22Z,   0.40,   8.25,  99.90,   8.82,   0.17,
07/19 23Z,   0.40,   6.11,  99.90,   6.68,   0.17,
07/20 00Z,   0.50,   3.66,  99.90,   4.33,   0.17,
07/20 01Z,   0.50,   1.50,  99.90,   2.16,   0.17,
07/20 02Z,   0.40,   0.45,  99.90,   1.02,   0.17,  (min)
07/20 03Z,   0.30,   0.85,  99.90,   1.32,   0.17,
07/20 04Z,   0.30,   2.26,  99.90,   2.73,   0.17,
07/20 05Z,   0.20,   4.24,  99.90,   4.61,   0.17,
07/20 06Z,   0.20,   6.55,  99.90,   6.92,   0.17,
07/20 07Z,   0.10,   8.62,  99.90,   8.89,   0.17,
07/20 08Z,   0.20,   9.75,  99.90,  10.12,   0.17,  (max)
07/20 09Z,   0.20,   9.68,  99.90,  10.05,   0.17,
07/20 10Z,   0.30,   8.56,  99.90,   9.02,   0.17,
07/20 11Z,   0.30,   6.70,  99.90,   7.17,   0.17,
07/20 12Z,   0.50,   4.43,  99.90,   5.10,   0.17,
07/20 13Z,   0.50,   2.17,  99.90,   2.84,   0.17,
07/20 14Z,   0.60,   0.67,  99.90,   1.44,   0.17,
07/20 15Z,   0.60,   0.54,  99.90,   1.31,   0.17,  (min)
07/20 16Z,   0.60,   1.61,  99.90,   2.38,   0.17,
07/20 17Z,   0.60,   3.38,  99.90,   4.14,   0.17,
07/20 18Z,   0.60,   5.59,  99.90,   6.35,   0.17,
07/20 19Z,   0.60,   7.86,  99.90,   8.63,   0.17,
07/20 20Z,   0.60,   9.49,  99.90,  10.26,   0.17,
07/20 21Z,   0.60,  10.00,  99.90,  10.76,   0.17,  (max)
07/20 22Z,   0.60,   9.38,  99.90,  10.14,   0.17,
07/20 23Z,   0.60,   7.90,  99.90,   8.66,   0.17,
07/21 00Z,   0.50,   5.86,  99.90,   6.53,   0.17,
07/21 01Z,   0.50,   3.58,  99.90,   4.25,   0.17,
07/21 02Z,   0.50,   1.62,  99.90,   2.29,   0.17,
07/21 03Z,   0.40,   0.77,  99.90,   1.34,   0.17,  (min)
07/21 04Z,   0.40,   1.21,  99.90,   1.78,   0.17,
07/21 05Z,   0.30,   2.48,  99.90,   2.94,   0.17,
07/21 06Z,   0.30,   4.27,  99.90,   4.74,   0.17,
07/21 07Z,   0.30,   6.38,  99.90,   6.85,   0.17,
07/21 08Z,   0.30,   8.22,  99.90,   8.69,   0.17,
07/21 09Z,   0.30,   9.16,  99.90,   9.63,   0.17,  (max)
07/21 10Z,   0.40,   9.01,  99.90,   9.58,   0.17,
07/21 11Z,   0.30,   7.95,  99.90,   8.42,   0.17,
07/21 12Z,   0.40,   6.29,  99.90,   6.86,   0.17,
07/21 13Z,   0.50,   4.28,  99.90,   4.95,   0.17,
07/21 14Z,   0.50,   2.32,  99.90,   2.99,   0.17,
07/21 15Z,   0.50,   1.14,  99.90,   1.80,   0.17,  (min)
07/21 16Z,   0.60,   1.22,  99.90,   1.99,   0.17,
07/21 17Z,   0.60,   2.30,  99.90,   3.07,   0.17,
07/21 18Z,   0.60,   3.94,  99.90,   4.71,   0.17,
07/21 19Z,   0.60,   5.99,  99.90,   6.76,   0.17,
07/21 20Z,   0.70,   8.05,  99.90,   8.92,   0.17,
07/21 21Z,   0.70,   9.42,  99.90,  10.29,   0.17,
07/21 22Z,   0.70,   9.72,  99.90,  10.59,   0.17,  (max)
07/21 23Z,   0.80,   9.02,  99.90,   9.99,   0.17,
07/22 00Z,   0.90,   7.58,  99.90,   8.65,   0.17,
07/22 01Z,   0.90,   5.67,  99.90,   6.74,   0.17,
07/22 02Z,   0.80,   3.54,  99.90,   4.51,   0.17,
07/22 03Z,   0.80,   1.77,  99.90,   2.74,   0.17,
07/22 04Z,   0.70,   1.07,  99.90,   1.94,   0.17,  (min)
07/22 05Z,   0.70,   1.49,  99.90,   2.35,   0.17,
07/22 06Z,   0.70,   2.60,  99.90,   3.47,   0.17,
07/22 07Z,   0.50,   4.24,  99.90,   4.90,   0.17,
07/22 08Z,   0.70,   6.19,  99.90,   7.06,   0.17,
07/22 09Z,   0.60,   7.85,  99.90,   8.62,   0.17,
07/22 10Z,   0.60,   8.64,  99.90,   9.41,   0.17,  (max)
07/22 11Z,   0.60,   8.46,  99.90,   9.23,   0.17,
07/22 12Z,   0.60,   7.50,  99.90,   8.27,   0.17,
07/22 13Z,   0.70,   6.02,  99.90,   6.89,   0.17,
07/22 14Z,   0.60,   4.23,  99.90,   5.00,   0.17,
07/22 15Z,   0.60,   2.52,  99.90,   3.29,   0.17,
07/22 16Z,   0.50,   1.59,  99.90,   2.26,   0.17,  (min)
07/22 17Z,   0.40,   1.81,  99.90,   2.37,   0.17,
07/22 18Z,   0.40,   2.85,  99.90,   3.41,   0.17,
07/22 19Z,   0.40,   4.38,  99.90,   4.95,   0.17,
07/22 20Z,   0.40,   6.30,  99.90,   6.87,   0.17,
07/22 21Z,   0.40,   8.17,  99.90,   8.74,   0.17,
07/22 22Z,   0.20,   9.32,  99.90,   9.69,   0.17,
07/22 23Z,   0.10,   9.48,  99.90,   9.74,   0.17,  (max)
07/23 00Z,   0.20,   8.73,  99.90,   9.10,   0.17,