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 22:23:36 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/21 06Z,   0.30,  -6.06,  -5.83,  99.90,  -0.07,
07/21 07Z,   0.30,  -3.95,  -3.86,  99.90,  -0.21,
07/21 08Z,   0.30,  -2.11,  -2.06,  99.90,  -0.25,
07/21 09Z,   0.30,  -1.17,  -0.98,  99.90,  -0.11,
07/21 10Z,   0.30,  -1.32,  -0.95,  99.90,   0.07,  (max)
07/21 11Z,   0.30,  -2.38,  -1.92,  99.90,   0.16,
07/21 12Z,   0.30,  -4.04,  -3.54,  99.90,   0.20,
07/21 13Z,   0.30,  -6.05,  -5.41,  99.90,   0.34,
07/21 14Z,   0.30,  -8.01,  -7.26,  99.90,   0.45,
07/21 15Z,   0.40,  -9.19,  -8.52,  99.90,   0.27,
07/21 16Z,   0.40,  -9.11,  -8.58,  99.90,   0.13,  (min)
07/21 17Z,   0.40,  -8.03,  -7.46,  99.90,   0.17,
07/21 18Z,   0.50,  -6.39,  -5.75,  99.90,   0.14,
07/21 19Z,   0.50,  -4.34,  -3.69,  99.90,   0.15,
07/21 20Z,   0.50,  -2.28,  -1.78,  99.90,  -0.00,
07/21 21Z,   0.60,  -0.91,  -0.27,  99.90,   0.04,
07/21 22Z,   0.60,  -0.61,   0.23,  99.90,   0.24,  (max)
07/21 23Z,   0.60,  -1.31,  -0.33,  99.90,   0.38,
07/22 00Z,   0.70,  -2.75,  -1.64,  99.90,   0.41,
07/22 01Z,   0.80,  -4.66,  -3.71,  99.90,   0.15,
07/22 02Z,   0.80,  -6.79,  -5.71,  99.90,   0.28,
07/22 03Z,   0.70,  -8.56,  -7.37,  99.90,   0.49,
07/22 04Z,   0.70,  -9.26,  -8.42,  99.90,   0.14,  (min)
07/22 05Z,   0.70,  -8.84,  -7.81,  99.90,   0.33,
07/22 06Z,   0.60,  -7.73,  -6.85,  99.90,   0.28,
07/22 07Z,   0.60,  -6.09,  -5.24,  99.90,   0.25,
07/22 08Z,   0.60,  -4.14,  -3.50,  99.90,   0.04,
07/22 09Z,   0.50,  -2.48,  -1.68,  99.90,   0.30,
07/22 10Z,   0.60,  -1.69,  -0.90,  99.90,   0.19,  (max)
07/22 11Z,   0.60,  -1.87,  -0.93,  99.90,   0.34,
07/22 12Z,   0.50,  -2.83,  -2.11,  99.90,   0.22,
07/22 13Z,   0.50,  -4.31,  -3.63,  99.90,   0.18,
07/22 14Z,   0.40,  -6.10,  -5.06,  99.90,   0.64,
07/22 15Z,   0.30,  -7.81,  -6.98,  99.90,   0.53,
07/22 16Z,   0.40,  -8.74,  -8.35,  99.90,  -0.01,  (min)
07/22 17Z,   0.40,  -8.52,  -7.92,  99.90,   0.20,
07/22 18Z,   0.40,  -7.48,  -6.93,  99.90,   0.15,
07/22 19Z,   0.20,  -5.95,  -5.44,  99.90,   0.31,
07/22 20Z,   0.20,  -4.03,  -3.36,  99.90,   0.47,
07/22 21Z,   0.20,  -2.16,  -1.79,  99.90,   0.17,
07/22 22Z,   0.10,  -1.01,  -0.48,  99.90,   0.43,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/22 23Z,   0.10,  -0.85,  99.90,  -0.35,   0.41,  (max)
07/23 00Z,   0.00,  -1.60,  99.90,  -1.21,   0.39,
07/23 01Z,   0.00,  -2.98,  99.90,  -2.62,   0.37,
07/23 02Z,   0.00,  -4.80,  99.90,  -4.46,   0.35,
07/23 03Z,   0.00,  -6.82,  99.90,  -6.50,   0.33,
07/23 04Z,   0.00,  -8.45,  99.90,  -8.15,   0.31,
07/23 05Z,   0.00,  -9.06,  99.90,  -8.78,   0.29,  (min)
07/23 06Z,  -0.10,  -8.68,  99.90,  -8.52,   0.27,
07/23 07Z,   0.00,  -7.68,  99.90,  -7.43,   0.25,
07/23 08Z,   0.00,  -6.14,  99.90,  -5.92,   0.23,
07/23 09Z,   0.00,  -4.29,  99.90,  -4.08,   0.21,
07/23 10Z,   0.00,  -2.76,  99.90,  -2.57,   0.19,
07/23 11Z,   0.00,  -2.06,  99.90,  -1.87,   0.19,  (max)
07/23 12Z,   0.00,  -2.24,  99.90,  -2.06,   0.19,
07/23 13Z,   0.00,  -3.11,  99.90,  -2.93,   0.19,
07/23 14Z,   0.00,  -4.45,  99.90,  -4.27,   0.19,
07/23 15Z,   0.10,  -6.10,  99.90,  -5.81,   0.19,
07/23 16Z,   0.10,  -7.64,  99.90,  -7.36,   0.19,
07/23 17Z,   0.10,  -8.40,  99.90,  -8.11,   0.19,  (min)
07/23 18Z,   0.10,  -8.10,  99.90,  -7.81,   0.19,
07/23 19Z,   0.10,  -7.10,  99.90,  -6.81,   0.19,
07/23 20Z,   0.10,  -5.63,  99.90,  -5.35,   0.19,
07/23 21Z,   0.10,  -3.79,  99.90,  -3.50,   0.19,
07/23 22Z,   0.20,  -2.06,  99.90,  -1.67,   0.19,
07/23 23Z,   0.20,  -1.07,  99.90,  -0.68,   0.19,  (max)
07/24 00Z,   0.10,  -1.03,  99.90,  -0.74,   0.19,
07/24 01Z,   0.20,  -1.80,  99.90,  -1.42,   0.19,
07/24 02Z,   0.20,  -3.16,  99.90,  -2.77,   0.19,
07/24 03Z,   0.20,  -4.94,  99.90,  -4.56,   0.19,
07/24 04Z,   0.20,  -6.91,  99.90,  -6.53,   0.19,
07/24 05Z,   0.20,  -8.45,  99.90,  -8.06,   0.19,
07/24 06Z,   0.20,  -8.99,  99.90,  -8.60,   0.19,  (min)
07/24 07Z,   0.20,  -8.63,  99.90,  -8.24,   0.19,
07/24 08Z,   0.20,  -7.68,  99.90,  -7.29,   0.19,
07/24 09Z,   0.20,  -6.15,  99.90,  -5.77,   0.19,
07/24 10Z,   0.20,  -4.34,  99.90,  -3.95,   0.19,
07/24 11Z,   0.20,  -2.89,  99.90,  -2.50,   0.19,
07/24 12Z,   0.30,  -2.25,  99.90,  -1.77,   0.19,  (max)
07/24 13Z,   0.30,  -2.44,  99.90,  -1.96,   0.19,
07/24 14Z,   0.30,  -3.27,  99.90,  -2.78,   0.19,
07/24 15Z,   0.40,  -4.55,  99.90,  -3.96,   0.19,
07/24 16Z,   0.40,  -6.14,  99.90,  -5.56,   0.19,
07/24 17Z,   0.50,  -7.59,  99.90,  -6.91,   0.19,
07/24 18Z,   0.50,  -8.22,  99.90,  -7.53,   0.19,  (min)
07/24 19Z,   0.50,  -7.85,  99.90,  -7.16,   0.19,
07/24 20Z,   0.50,  -6.85,  99.90,  -6.16,   0.19,
07/24 21Z,   0.50,  -5.38,  99.90,  -4.69,   0.19,
07/24 22Z,   0.50,  -3.54,  99.90,  -2.86,   0.19,
07/24 23Z,   0.50,  -1.90,  99.90,  -1.22,   0.19,
07/25 00Z,   0.60,  -1.04,  99.90,  -0.25,   0.19,  (max)
07/25 01Z,   0.60,  -1.10,  99.90,  -0.31,   0.19,
07/25 02Z,   0.50,  -1.93,  99.90,  -1.24,   0.19,
07/25 03Z,   0.50,  -3.31,  99.90,  -2.63,   0.19,
07/25 04Z,   0.50,  -5.14,  99.90,  -4.45,   0.19,
07/25 05Z,   0.50,  -7.12,  99.90,  -6.43,   0.19,
07/25 06Z,   0.40,  -8.59,  99.90,  -8.00,   0.19,
07/25 07Z,   0.40,  -9.04,  99.90,  -8.45,   0.19,  (min)
07/25 08Z,   0.50,  -8.65,  99.90,  -7.96,   0.19,
07/25 09Z,   0.50,  -7.65,  99.90,  -6.96,   0.19,
07/25 10Z,   0.50,  -6.06,  99.90,  -5.37,   0.19,
07/25 11Z,   0.50,  -4.23,  99.90,  -3.54,   0.19,
07/25 12Z,   0.50,  -2.84,  99.90,  -2.15,   0.19,
07/25 13Z,   0.50,  -2.27,  99.90,  -1.59,   0.19,  (max)
07/25 14Z,   0.50,  -2.51,  99.90,  -1.82,   0.19,
07/25 15Z,   0.60,  -3.36,  99.90,  -2.57,   0.19,
07/25 16Z,   0.60,  -4.68,  99.90,  -3.90,   0.19,
07/25 17Z,   0.60,  -6.31,  99.90,  -5.52,   0.19,
07/25 18Z,   0.60,  -7.70,  99.90,  -6.92,   0.19,
07/25 19Z,   0.60,  -8.20,  99.90,  -7.41,   0.19,  (min)
07/25 20Z,   0.60,  -7.73,  99.90,  -6.94,   0.19,
07/25 21Z,   0.70,  -6.66,  99.90,  -5.77,   0.19,
07/25 22Z,   0.70,  -5.10,  99.90,  -4.21,   0.19,
07/25 23Z,   0.70,  -3.23,  99.90,  -2.34,   0.19,
07/26 00Z,   0.70,  -1.65,  99.90,  -0.76,   0.19,
07/26 01Z,   0.80,  -0.91,  99.90,   0.08,   0.19,  (max)
07/26 02Z,   0.70,  -1.09,  99.90,  -0.21,   0.19,
07/26 03Z,   0.70,  -2.02,  99.90,  -1.14,   0.19,
07/26 04Z,   0.70,  -3.52,  99.90,  -2.63,   0.19,
07/26 05Z,   0.70,  -5.46,  99.90,  -4.57,   0.19,
07/26 06Z,   0.70,  -7.47,  99.90,  -6.59,   0.19,
07/26 07Z,   0.70,  -8.85,  99.90,  -7.96,   0.19,
07/26 08Z,   0.70,  -9.17,  99.90,  -8.28,   0.19,  (min)
07/26 09Z,   0.70,  -8.66,  99.90,  -7.77,   0.19,
07/26 10Z,   0.70,  -7.53,  99.90,  -6.64,   0.19,
07/26 11Z,   0.70,  -5.81,  99.90,  -4.92,   0.19,
07/26 12Z,   0.80,  -3.94,  99.90,  -2.96,   0.19,
07/26 13Z,  99.90,  -2.62,  99.90,  99.90,   0.19,
07/26 14Z,  99.90,  -2.17,  99.90,  99.90,   0.19,
07/26 15Z,  99.90,  -2.51,  99.90,  99.90,   0.19,
07/26 16Z,  99.90,  -3.48,  99.90,  99.90,   0.19,
07/26 17Z,  99.90,  -4.93,  99.90,  99.90,   0.19,
07/26 18Z,  99.90,  -6.64,  99.90,  99.90,   0.19,