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 : 07/20/2026 15:21:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,   0.40,  -3.79,  -2.85,  99.90,   0.54,
07/19 01Z,   0.40,  -5.06,  -4.34,  99.90,   0.32,  (min)
07/19 02Z,   0.40,  -4.76,  -4.19,  99.90,   0.17,
07/19 03Z,   0.50,  -3.25,  -2.57,  99.90,   0.18,
07/19 04Z,   0.40,  -1.09,  -0.33,  99.90,   0.36,
07/19 05Z,   0.40,   1.43,   1.83,  99.90,  -0.00,
07/19 06Z,   0.40,   3.74,   4.36,  99.90,   0.22,
07/19 07Z,   0.40,   5.10,   5.86,  99.90,   0.36,
07/19 08Z,   0.40,   5.16,   5.94,  99.90,   0.38,  (max)
07/19 09Z,   0.50,   4.02,   4.95,  99.90,   0.43,
07/19 10Z,   0.50,   2.02,   2.97,  99.90,   0.45,
07/19 11Z,   0.50,  -0.50,   0.50,  99.90,   0.50,
07/19 12Z,   0.40,  -3.08,  -2.07,  99.90,   0.61,
07/19 13Z,   0.30,  -4.95,  -4.35,  99.90,   0.30,
07/19 14Z,   0.30,  -5.37,  -4.83,  99.90,   0.24,  (min)
07/19 15Z,   0.20,  -4.37,  -3.94,  99.90,   0.23,
07/19 16Z,   0.30,  -2.53,  -2.28,  99.90,  -0.05,
07/19 17Z,   0.30,  -0.17,   0.25,  99.90,   0.12,
07/19 18Z,   0.30,   2.33,   2.64,  99.90,   0.01,
07/19 19Z,   0.30,   4.24,   4.65,  99.90,   0.11,
07/19 20Z,   0.30,   4.99,   5.55,  99.90,   0.26,  (max)
07/19 21Z,   0.30,   4.50,   5.24,  99.90,   0.44,
07/19 22Z,   0.30,   3.02,   3.69,  99.90,   0.37,
07/19 23Z,   0.30,   0.88,   1.71,  99.90,   0.53,
07/20 00Z,   0.30,  -1.57,  -0.62,  99.90,   0.65,
07/20 01Z,   0.30,  -3.73,  -2.77,  99.90,   0.66,
07/20 02Z,   0.30,  -4.78,  -4.15,  99.90,   0.33,  (min)
07/20 03Z,   0.30,  -4.38,  -3.89,  99.90,   0.19,
07/20 04Z,   0.20,  -2.97,  -2.58,  99.90,   0.19,
07/20 05Z,   0.20,  -0.99,  -0.63,  99.90,   0.16,
07/20 06Z,   0.20,   1.32,   1.44,  99.90,  -0.08,
07/20 07Z,   0.20,   3.39,   3.51,  99.90,  -0.08,
07/20 08Z,   0.20,   4.52,   4.78,  99.90,   0.06,
07/20 09Z,   0.20,   4.45,   4.79,  99.90,   0.14,  (max)
07/20 10Z,   0.20,   3.33,   3.75,  99.90,   0.22,
07/20 11Z,   0.30,   1.47,   1.97,  99.90,   0.20,
07/20 12Z,   0.30,  -0.80,  -0.10,  99.90,   0.40,
07/20 13Z,   0.40,  -3.06,  -2.12,  99.90,   0.54,
07/20 14Z,   0.50,  -4.56,  -3.90,  99.90,   0.16,
07/20 15Z,   0.50,  -4.69,  -4.22,  99.90,  -0.03,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 16Z,   0.50,  -3.62,  99.90,  -3.13,  -0.01,
07/20 17Z,   0.50,  -1.85,  99.90,  -1.35,   0.00,
07/20 18Z,   0.50,   0.36,  99.90,   0.87,   0.02,
07/20 19Z,   0.50,   2.63,  99.90,   3.17,   0.04,
07/20 20Z,   0.50,   4.26,  99.90,   4.81,   0.05,
07/20 21Z,   0.50,   4.77,  99.90,   5.34,   0.07,  (max)
07/20 22Z,   0.50,   4.15,  99.90,   4.73,   0.09,
07/20 23Z,   0.50,   2.67,  99.90,   3.27,   0.10,
07/21 00Z,   0.50,   0.63,  99.90,   1.25,   0.12,
07/21 01Z,   0.40,  -1.65,  99.90,  -1.12,   0.14,
07/21 02Z,   0.40,  -3.61,  99.90,  -3.05,   0.15,
07/21 03Z,   0.40,  -4.46,  99.90,  -3.89,   0.17,  (min)
07/21 04Z,   0.40,  -4.02,  99.90,  -3.45,   0.17,
07/21 05Z,   0.30,  -2.75,  99.90,  -2.28,   0.17,
07/21 06Z,   0.30,  -0.96,  99.90,  -0.49,   0.17,
07/21 07Z,   0.30,   1.15,  99.90,   1.62,   0.17,
07/21 08Z,   0.30,   2.99,  99.90,   3.46,   0.17,
07/21 09Z,   0.30,   3.93,  99.90,   4.40,   0.17,  (max)
07/21 10Z,   0.30,   3.78,  99.90,   4.25,   0.17,
07/21 11Z,   0.30,   2.72,  99.90,   3.19,   0.17,
07/21 12Z,   0.40,   1.06,  99.90,   1.63,   0.17,
07/21 13Z,   0.40,  -0.95,  99.90,  -0.38,   0.17,
07/21 14Z,   0.50,  -2.91,  99.90,  -2.24,   0.17,
07/21 15Z,   0.50,  -4.09,  99.90,  -3.42,   0.17,  (min)
07/21 16Z,   0.50,  -4.01,  99.90,  -3.34,   0.17,
07/21 17Z,   0.60,  -2.93,  99.90,  -2.16,   0.17,
07/21 18Z,   0.60,  -1.29,  99.90,  -0.52,   0.17,
07/21 19Z,   0.60,   0.76,  99.90,   1.53,   0.17,
07/21 20Z,   0.60,   2.82,  99.90,   3.59,   0.17,
07/21 21Z,   0.60,   4.19,  99.90,   4.96,   0.17,
07/21 22Z,   0.60,   4.49,  99.90,   5.27,   0.17,  (max)
07/21 23Z,   0.70,   3.79,  99.90,   4.66,   0.17,
07/22 00Z,   0.80,   2.35,  99.90,   3.33,   0.17,
07/22 01Z,   0.90,   0.44,  99.90,   1.51,   0.17,
07/22 02Z,   0.90,  -1.69,  99.90,  -0.62,   0.17,
07/22 03Z,   0.80,  -3.46,  99.90,  -2.49,   0.17,
07/22 04Z,   0.70,  -4.16,  99.90,  -3.29,   0.17,  (min)
07/22 05Z,   0.50,  -3.74,  99.90,  -3.07,   0.17,
07/22 06Z,   0.60,  -2.63,  99.90,  -1.86,   0.17,
07/22 07Z,   0.60,  -0.99,  99.90,  -0.22,   0.17,
07/22 08Z,   0.60,   0.96,  99.90,   1.73,   0.17,
07/22 09Z,   0.50,   2.62,  99.90,   3.29,   0.17,
07/22 10Z,   0.60,   3.41,  99.90,   4.18,   0.17,  (max)
07/22 11Z,   0.60,   3.23,  99.90,   4.00,   0.17,
07/22 12Z,   0.50,   2.27,  99.90,   2.94,   0.17,
07/22 13Z,   0.50,   0.79,  99.90,   1.46,   0.17,
07/22 14Z,   0.50,  -1.00,  99.90,  -0.33,   0.17,
07/22 15Z,   0.50,  -2.71,  99.90,  -2.04,   0.17,
07/22 16Z,   0.40,  -3.64,  99.90,  -3.07,   0.17,  (min)
07/22 17Z,   0.30,  -3.42,  99.90,  -2.95,   0.17,
07/22 18Z,   0.20,  -2.38,  99.90,  -2.01,   0.17,
07/22 19Z,   0.20,  -0.85,  99.90,  -0.48,   0.17,
07/22 20Z,   0.20,   1.07,  99.90,   1.44,   0.17,
07/22 21Z,   0.20,   2.94,  99.90,   3.31,   0.17,
07/22 22Z,   0.10,   4.09,  99.90,   4.37,   0.17,
07/22 23Z,   0.20,   4.25,  99.90,   4.62,   0.17,  (max)
07/23 00Z,   0.20,   3.50,  99.90,   3.87,   0.17,
07/23 01Z,   0.10,   2.12,  99.90,   2.39,   0.17,
07/23 02Z,   0.10,   0.30,  99.90,   0.57,   0.17,
07/23 03Z,   0.00,  -1.72,  99.90,  -1.55,   0.17,
07/23 04Z,   0.00,  -3.35,  99.90,  -3.18,   0.17,
07/23 05Z,   0.10,  -3.96,  99.90,  -3.69,   0.17,  (min)
07/23 06Z,   0.10,  -3.58,  99.90,  -3.31,   0.17,
07/23 07Z,   0.00,  -2.58,  99.90,  -2.41,   0.17,
07/23 08Z,   0.00,  -1.04,  99.90,  -0.87,   0.17,
07/23 09Z,   0.00,   0.81,  99.90,   0.98,   0.17,
07/23 10Z,   0.00,   2.34,  99.90,   2.51,   0.17,
07/23 11Z,   0.00,   3.04,  99.90,   3.21,   0.17,  (max)
07/23 12Z,   0.00,   2.86,  99.90,   3.03,   0.17,
07/23 13Z,   0.00,   1.99,  99.90,   2.16,   0.17,
07/23 14Z,   0.00,   0.65,  99.90,   0.82,   0.17,
07/23 15Z,  -0.10,  -1.00,  99.90,  -0.93,   0.17,
07/23 16Z,  -0.10,  -2.54,  99.90,  -2.47,   0.17,
07/23 17Z,   0.00,  -3.30,  99.90,  -3.13,   0.17,  (min)
07/23 18Z,   0.00,  -3.00,  99.90,  -2.83,   0.17,
07/23 19Z,   0.00,  -2.00,  99.90,  -1.83,   0.17,
07/23 20Z,   0.00,  -0.53,  99.90,  -0.36,   0.17,
07/23 21Z,   0.00,   1.31,  99.90,   1.48,   0.17,
07/23 22Z,   0.00,   3.04,  99.90,   3.21,   0.17,
07/23 23Z,   0.10,   4.03,  99.90,   4.30,   0.17,
07/24 00Z,   0.20,   4.07,  99.90,   4.44,   0.17,  (max)
07/24 01Z,   0.20,   3.30,  99.90,   3.67,   0.17,
07/24 02Z,   0.20,   1.94,  99.90,   2.31,   0.17,
07/24 03Z,   0.20,   0.16,  99.90,   0.53,   0.17,
07/24 04Z,   0.20,  -1.81,  99.90,  -1.44,   0.17,
07/24 05Z,   0.10,  -3.35,  99.90,  -3.08,   0.17,
07/24 06Z,   0.10,  -3.89,  99.90,  -3.62,   0.17,
07/24 07Z,  99.90,  -3.53,  99.90,  99.90,   0.17,
07/24 08Z,  99.90,  -2.58,  99.90,  99.90,   0.17,
07/24 09Z,  99.90,  -1.05,  99.90,  99.90,   0.17,
07/24 10Z,  99.90,   0.76,  99.90,  99.90,   0.17,
07/24 11Z,  99.90,   2.21,  99.90,  99.90,   0.17,
07/24 12Z,  99.90,   2.85,  99.90,  99.90,   0.17,