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 : 07/22/2026 12:22:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 12Z,   0.30,   4.43,   5.13,  99.90,   0.40,
07/20 13Z,   0.40,   2.17,   3.11,  99.90,   0.54,
07/20 14Z,   0.40,   0.67,   1.33,  99.90,   0.26,
07/20 15Z,   0.40,   0.54,   1.01,  99.90,   0.07,  (min)
07/20 16Z,   0.50,   1.61,   2.25,  99.90,   0.14,
07/20 17Z,   0.50,   3.38,   3.94,  99.90,   0.06,
07/20 18Z,   0.50,   5.59,   6.01,  99.90,  -0.08,
07/20 19Z,   0.50,   7.86,   8.22,  99.90,  -0.14,
07/20 20Z,   0.50,   9.49,   9.91,  99.90,  -0.08,
07/20 21Z,   0.50,  10.00,  10.55,  99.90,   0.05,  (max)
07/20 22Z,   0.50,   9.38,   9.93,  99.90,   0.05,
07/20 23Z,   0.50,   7.90,   8.38,  99.90,  -0.02,
07/21 00Z,   0.40,   5.86,   6.50,  99.90,   0.24,
07/21 01Z,   0.40,   3.58,   4.28,  99.90,   0.30,
07/21 02Z,   0.40,   1.62,   2.33,  99.90,   0.31,
07/21 03Z,   0.30,   0.77,   1.09,  99.90,   0.02,  (min)
07/21 04Z,   0.40,   1.21,   1.42,  99.90,  -0.19,
07/21 05Z,   0.30,   2.48,   2.77,  99.90,  -0.01,
07/21 06Z,   0.30,   4.27,   4.50,  99.90,  -0.07,
07/21 07Z,   0.30,   6.38,   6.47,  99.90,  -0.21,
07/21 08Z,   0.30,   8.22,   8.27,  99.90,  -0.25,
07/21 09Z,   0.30,   9.16,   9.35,  99.90,  -0.11,
07/21 10Z,   0.30,   9.01,   9.38,  99.90,   0.07,  (max)
07/21 11Z,   0.30,   7.95,   8.41,  99.90,   0.16,
07/21 12Z,   0.30,   6.29,   6.79,  99.90,   0.20,
07/21 13Z,   0.30,   4.28,   4.92,  99.90,   0.34,
07/21 14Z,   0.30,   2.32,   3.07,  99.90,   0.45,
07/21 15Z,   0.40,   1.14,   1.81,  99.90,   0.27,
07/21 16Z,   0.40,   1.22,   1.75,  99.90,   0.13,  (min)
07/21 17Z,   0.40,   2.30,   2.87,  99.90,   0.17,
07/21 18Z,   0.50,   3.94,   4.58,  99.90,   0.14,
07/21 19Z,   0.50,   5.99,   6.64,  99.90,   0.15,
07/21 20Z,   0.50,   8.05,   8.55,  99.90,  -0.00,
07/21 21Z,   0.60,   9.42,  10.06,  99.90,   0.04,
07/21 22Z,   0.60,   9.72,  10.56,  99.90,   0.24,  (max)
07/21 23Z,   0.60,   9.02,  10.00,  99.90,   0.38,
07/22 00Z,   0.70,   7.58,   8.69,  99.90,   0.41,
07/22 01Z,   0.80,   5.67,   6.62,  99.90,   0.15,
07/22 02Z,   0.80,   3.54,   4.62,  99.90,   0.28,
07/22 03Z,   0.70,   1.77,   2.96,  99.90,   0.49,
07/22 04Z,   0.70,   1.07,   1.91,  99.90,   0.14,  (min)
07/22 05Z,   0.70,   1.49,   2.52,  99.90,   0.33,
07/22 06Z,   0.60,   2.60,   3.48,  99.90,   0.28,
07/22 07Z,   0.50,   4.24,   5.09,  99.90,   0.35,
07/22 08Z,   0.60,   6.19,   6.83,  99.90,   0.04,
07/22 09Z,   0.60,   7.85,   8.65,  99.90,   0.20,
07/22 10Z,   0.60,   8.64,   9.43,  99.90,   0.19,  (max)
07/22 11Z,   0.50,   8.46,   9.40,  99.90,   0.44,
07/22 12Z,   0.40,   7.50,   8.22,  99.90,   0.32,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/22 13Z,   0.40,   6.02,  99.90,   6.73,   0.31,
07/22 14Z,   0.40,   4.23,  99.90,   4.93,   0.29,
07/22 15Z,   0.40,   2.52,  99.90,   3.20,   0.28,
07/22 16Z,   0.40,   1.59,  99.90,   2.26,   0.27,  (min)
07/22 17Z,   0.20,   1.81,  99.90,   2.26,   0.26,
07/22 18Z,   0.20,   2.85,  99.90,   3.29,   0.24,
07/22 19Z,   0.10,   4.38,  99.90,   4.71,   0.23,
07/22 20Z,   0.10,   6.30,  99.90,   6.62,   0.22,
07/22 21Z,   0.00,   8.17,  99.90,   8.38,   0.21,
07/22 22Z,   0.00,   9.32,  99.90,   9.52,   0.20,
07/22 23Z,   0.00,   9.48,  99.90,   9.66,   0.18,  (max)
07/23 00Z,   0.00,   8.73,  99.90,   8.90,   0.17,
07/23 01Z,   0.00,   7.35,  99.90,   7.52,   0.17,
07/23 02Z,   0.00,   5.53,  99.90,   5.70,   0.17,
07/23 03Z,   0.00,   3.51,  99.90,   3.68,   0.17,
07/23 04Z,   0.00,   1.88,  99.90,   2.05,   0.17,
07/23 05Z,  -0.10,   1.27,  99.90,   1.34,   0.17,  (min)
07/23 06Z,  -0.10,   1.65,  99.90,   1.72,   0.17,
07/23 07Z,  -0.10,   2.65,  99.90,   2.72,   0.17,
07/23 08Z,  -0.10,   4.19,  99.90,   4.26,   0.17,
07/23 09Z,  -0.10,   6.04,  99.90,   6.11,   0.17,
07/23 10Z,  -0.10,   7.57,  99.90,   7.64,   0.17,
07/23 11Z,  -0.10,   8.27,  99.90,   8.34,   0.17,  (max)
07/23 12Z,   0.00,   8.09,  99.90,   8.26,   0.17,
07/23 13Z,   0.00,   7.22,  99.90,   7.39,   0.17,
07/23 14Z,   0.00,   5.88,  99.90,   6.05,   0.17,
07/23 15Z,   0.00,   4.23,  99.90,   4.40,   0.17,
07/23 16Z,   0.00,   2.69,  99.90,   2.86,   0.17,
07/23 17Z,   0.00,   1.93,  99.90,   2.10,   0.17,  (min)
07/23 18Z,   0.00,   2.23,  99.90,   2.40,   0.17,
07/23 19Z,   0.00,   3.23,  99.90,   3.40,   0.17,
07/23 20Z,   0.10,   4.70,  99.90,   4.97,   0.17,
07/23 21Z,   0.10,   6.54,  99.90,   6.81,   0.17,
07/23 22Z,   0.10,   8.27,  99.90,   8.54,   0.17,
07/23 23Z,   0.10,   9.26,  99.90,   9.53,   0.17,
07/24 00Z,   0.20,   9.30,  99.90,   9.67,   0.17,  (max)
07/24 01Z,   0.10,   8.53,  99.90,   8.80,   0.17,
07/24 02Z,   0.20,   7.17,  99.90,   7.54,   0.17,
07/24 03Z,   0.20,   5.39,  99.90,   5.76,   0.17,
07/24 04Z,   0.10,   3.42,  99.90,   3.69,   0.17,
07/24 05Z,   0.10,   1.88,  99.90,   2.15,   0.17,
07/24 06Z,   0.10,   1.34,  99.90,   1.61,   0.17,  (min)
07/24 07Z,   0.10,   1.70,  99.90,   1.97,   0.17,
07/24 08Z,   0.10,   2.65,  99.90,   2.92,   0.17,
07/24 09Z,   0.10,   4.18,  99.90,   4.45,   0.17,
07/24 10Z,   0.20,   5.99,  99.90,   6.36,   0.17,
07/24 11Z,   0.20,   7.44,  99.90,   7.81,   0.17,
07/24 12Z,   0.20,   8.08,  99.90,   8.45,   0.17,  (max)
07/24 13Z,   0.30,   7.89,  99.90,   8.36,   0.17,
07/24 14Z,   0.30,   7.06,  99.90,   7.53,   0.17,
07/24 15Z,   0.30,   5.78,  99.90,   6.25,   0.17,
07/24 16Z,   0.40,   4.19,  99.90,   4.76,   0.17,
07/24 17Z,   0.40,   2.74,  99.90,   3.31,   0.17,
07/24 18Z,   0.40,   2.11,  99.90,   2.68,   0.17,  (min)
07/24 19Z,   0.40,   2.48,  99.90,   3.05,   0.17,
07/24 20Z,   0.40,   3.48,  99.90,   4.05,   0.17,
07/24 21Z,   0.50,   4.95,  99.90,   5.62,   0.17,
07/24 22Z,   0.50,   6.79,  99.90,   7.46,   0.17,
07/24 23Z,   0.50,   8.43,  99.90,   9.10,   0.17,
07/25 00Z,   0.50,   9.29,  99.90,   9.96,   0.17,  (max)
07/25 01Z,   0.50,   9.23,  99.90,   9.90,   0.17,
07/25 02Z,   0.50,   8.40,  99.90,   9.07,   0.17,
07/25 03Z,   0.50,   7.02,  99.90,   7.69,   0.17,
07/25 04Z,   0.50,   5.19,  99.90,   5.86,   0.17,
07/25 05Z,   0.40,   3.21,  99.90,   3.78,   0.17,
07/25 06Z,   0.40,   1.74,  99.90,   2.32,   0.17,
07/25 07Z,   0.40,   1.29,  99.90,   1.86,   0.17,  (min)
07/25 08Z,   0.40,   1.68,  99.90,   2.25,   0.17,
07/25 09Z,   0.40,   2.68,  99.90,   3.25,   0.17,
07/25 10Z,   0.40,   4.27,  99.90,   4.84,   0.17,
07/25 11Z,   0.50,   6.10,  99.90,   6.77,   0.17,
07/25 12Z,   0.50,   7.49,  99.90,   8.16,   0.17,
07/25 13Z,   0.50,   8.06,  99.90,   8.73,   0.17,  (max)
07/25 14Z,   0.50,   7.82,  99.90,   8.49,   0.17,
07/25 15Z,   0.50,   6.97,  99.90,   7.64,   0.17,
07/25 16Z,   0.60,   5.65,  99.90,   6.42,   0.17,
07/25 17Z,   0.60,   4.02,  99.90,   4.79,   0.17,
07/25 18Z,   0.60,   2.63,  99.90,   3.40,   0.17,
07/25 19Z,   0.60,   2.13,  99.90,   2.90,   0.17,  (min)
07/25 20Z,   0.70,   2.60,  99.90,   3.47,   0.17,
07/25 21Z,   0.70,   3.67,  99.90,   4.54,   0.17,
07/25 22Z,   0.70,   5.23,  99.90,   6.10,   0.17,
07/25 23Z,   0.70,   7.10,  99.90,   7.97,   0.17,
07/26 00Z,   0.70,   8.68,  99.90,   9.55,   0.17,