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 22:22:46 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/21 06Z,   0.30,  -8.31,  -8.08,  99.90,  -0.07,
07/21 07Z,   0.30,  -6.20,  -6.11,  99.90,  -0.21,
07/21 08Z,   0.30,  -4.36,  -4.31,  99.90,  -0.25,
07/21 09Z,   0.30,  -3.42,  -3.23,  99.90,  -0.11,
07/21 10Z,   0.30,  -3.57,  -3.20,  99.90,   0.07,  (max)
07/21 11Z,   0.30,  -4.63,  -4.17,  99.90,   0.16,
07/21 12Z,   0.30,  -6.29,  -5.79,  99.90,   0.20,
07/21 13Z,   0.30,  -8.30,  -7.66,  99.90,   0.34,
07/21 14Z,   0.30, -10.26,  -9.51,  99.90,   0.45,
07/21 15Z,   0.40, -11.44, -10.77,  99.90,   0.27,
07/21 16Z,   0.40, -11.36, -10.83,  99.90,   0.13,  (min)
07/21 17Z,   0.40, -10.28,  -9.71,  99.90,   0.17,
07/21 18Z,   0.50,  -8.64,  -8.00,  99.90,   0.14,
07/21 19Z,   0.50,  -6.59,  -5.94,  99.90,   0.15,
07/21 20Z,   0.50,  -4.53,  -4.03,  99.90,  -0.00,
07/21 21Z,   0.60,  -3.16,  -2.52,  99.90,   0.04,
07/21 22Z,   0.60,  -2.86,  -2.02,  99.90,   0.24,  (max)
07/21 23Z,   0.60,  -3.56,  -2.58,  99.90,   0.38,
07/22 00Z,   0.70,  -5.00,  -3.89,  99.90,   0.41,
07/22 01Z,   0.80,  -6.91,  -5.96,  99.90,   0.15,
07/22 02Z,   0.80,  -9.04,  -7.96,  99.90,   0.28,
07/22 03Z,   0.70, -10.81,  -9.62,  99.90,   0.49,
07/22 04Z,   0.70, -11.51, -10.67,  99.90,   0.14,  (min)
07/22 05Z,   0.70, -11.09, -10.06,  99.90,   0.33,
07/22 06Z,   0.60,  -9.98,  -9.10,  99.90,   0.28,
07/22 07Z,   0.60,  -8.34,  -7.49,  99.90,   0.25,
07/22 08Z,   0.60,  -6.39,  -5.75,  99.90,   0.04,
07/22 09Z,   0.50,  -4.73,  -3.93,  99.90,   0.30,
07/22 10Z,   0.60,  -3.94,  -3.15,  99.90,   0.19,  (max)
07/22 11Z,   0.60,  -4.12,  -3.18,  99.90,   0.34,
07/22 12Z,   0.50,  -5.08,  -4.36,  99.90,   0.22,
07/22 13Z,   0.50,  -6.56,  -5.88,  99.90,   0.18,
07/22 14Z,   0.40,  -8.35,  -7.31,  99.90,   0.64,
07/22 15Z,   0.30, -10.06,  -9.23,  99.90,   0.53,
07/22 16Z,   0.40, -10.99, -10.60,  99.90,  -0.01,  (min)
07/22 17Z,   0.40, -10.77, -10.17,  99.90,   0.20,
07/22 18Z,   0.40,  -9.73,  -9.18,  99.90,   0.15,
07/22 19Z,   0.20,  -8.20,  -7.69,  99.90,   0.31,
07/22 20Z,   0.20,  -6.28,  -5.61,  99.90,   0.47,
07/22 21Z,   0.20,  -4.41,  -4.04,  99.90,   0.17,
07/22 22Z,   0.10,  -3.26,  -2.73,  99.90,   0.43,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/22 23Z,   0.10,  -3.10,  99.90,  -2.60,   0.41,  (max)
07/23 00Z,   0.00,  -3.85,  99.90,  -3.46,   0.39,
07/23 01Z,   0.00,  -5.23,  99.90,  -4.87,   0.37,
07/23 02Z,   0.00,  -7.05,  99.90,  -6.71,   0.35,
07/23 03Z,   0.00,  -9.07,  99.90,  -8.75,   0.33,
07/23 04Z,   0.00, -10.70,  99.90, -10.40,   0.31,
07/23 05Z,   0.00, -11.31,  99.90, -11.03,   0.29,  (min)
07/23 06Z,  -0.10, -10.93,  99.90, -10.77,   0.27,
07/23 07Z,   0.00,  -9.93,  99.90,  -9.68,   0.25,
07/23 08Z,   0.00,  -8.39,  99.90,  -8.17,   0.23,
07/23 09Z,   0.00,  -6.54,  99.90,  -6.33,   0.21,
07/23 10Z,   0.00,  -5.01,  99.90,  -4.82,   0.19,
07/23 11Z,   0.00,  -4.31,  99.90,  -4.12,   0.19,  (max)
07/23 12Z,   0.00,  -4.49,  99.90,  -4.31,   0.19,
07/23 13Z,   0.00,  -5.36,  99.90,  -5.18,   0.19,
07/23 14Z,   0.00,  -6.70,  99.90,  -6.52,   0.19,
07/23 15Z,   0.10,  -8.35,  99.90,  -8.06,   0.19,
07/23 16Z,   0.10,  -9.89,  99.90,  -9.61,   0.19,
07/23 17Z,   0.10, -10.65,  99.90, -10.36,   0.19,  (min)
07/23 18Z,   0.10, -10.35,  99.90, -10.06,   0.19,
07/23 19Z,   0.10,  -9.35,  99.90,  -9.06,   0.19,
07/23 20Z,   0.10,  -7.88,  99.90,  -7.60,   0.19,
07/23 21Z,   0.10,  -6.04,  99.90,  -5.75,   0.19,
07/23 22Z,   0.20,  -4.31,  99.90,  -3.92,   0.19,
07/23 23Z,   0.20,  -3.32,  99.90,  -2.93,   0.19,  (max)
07/24 00Z,   0.10,  -3.28,  99.90,  -2.99,   0.19,
07/24 01Z,   0.20,  -4.05,  99.90,  -3.67,   0.19,
07/24 02Z,   0.20,  -5.41,  99.90,  -5.02,   0.19,
07/24 03Z,   0.20,  -7.19,  99.90,  -6.81,   0.19,
07/24 04Z,   0.20,  -9.16,  99.90,  -8.78,   0.19,
07/24 05Z,   0.20, -10.70,  99.90, -10.31,   0.19,
07/24 06Z,   0.20, -11.24,  99.90, -10.85,   0.19,  (min)
07/24 07Z,   0.20, -10.88,  99.90, -10.49,   0.19,
07/24 08Z,   0.20,  -9.93,  99.90,  -9.54,   0.19,
07/24 09Z,   0.20,  -8.40,  99.90,  -8.02,   0.19,
07/24 10Z,   0.20,  -6.59,  99.90,  -6.20,   0.19,
07/24 11Z,   0.20,  -5.14,  99.90,  -4.75,   0.19,
07/24 12Z,   0.30,  -4.50,  99.90,  -4.02,   0.19,  (max)
07/24 13Z,   0.30,  -4.69,  99.90,  -4.21,   0.19,
07/24 14Z,   0.30,  -5.52,  99.90,  -5.03,   0.19,
07/24 15Z,   0.40,  -6.80,  99.90,  -6.21,   0.19,
07/24 16Z,   0.40,  -8.39,  99.90,  -7.81,   0.19,
07/24 17Z,   0.50,  -9.84,  99.90,  -9.16,   0.19,
07/24 18Z,   0.50, -10.47,  99.90,  -9.78,   0.19,  (min)
07/24 19Z,   0.50, -10.10,  99.90,  -9.41,   0.19,
07/24 20Z,   0.50,  -9.10,  99.90,  -8.41,   0.19,
07/24 21Z,   0.50,  -7.63,  99.90,  -6.94,   0.19,
07/24 22Z,   0.50,  -5.79,  99.90,  -5.11,   0.19,
07/24 23Z,   0.50,  -4.15,  99.90,  -3.47,   0.19,
07/25 00Z,   0.60,  -3.29,  99.90,  -2.50,   0.19,  (max)
07/25 01Z,   0.60,  -3.35,  99.90,  -2.56,   0.19,
07/25 02Z,   0.50,  -4.18,  99.90,  -3.49,   0.19,
07/25 03Z,   0.50,  -5.56,  99.90,  -4.88,   0.19,
07/25 04Z,   0.50,  -7.39,  99.90,  -6.70,   0.19,
07/25 05Z,   0.50,  -9.37,  99.90,  -8.68,   0.19,
07/25 06Z,   0.40, -10.84,  99.90, -10.25,   0.19,
07/25 07Z,   0.40, -11.29,  99.90, -10.70,   0.19,  (min)
07/25 08Z,   0.50, -10.90,  99.90, -10.21,   0.19,
07/25 09Z,   0.50,  -9.90,  99.90,  -9.21,   0.19,
07/25 10Z,   0.50,  -8.31,  99.90,  -7.62,   0.19,
07/25 11Z,   0.50,  -6.48,  99.90,  -5.79,   0.19,
07/25 12Z,   0.50,  -5.09,  99.90,  -4.40,   0.19,
07/25 13Z,   0.50,  -4.52,  99.90,  -3.84,   0.19,  (max)
07/25 14Z,   0.50,  -4.76,  99.90,  -4.07,   0.19,
07/25 15Z,   0.60,  -5.61,  99.90,  -4.82,   0.19,
07/25 16Z,   0.60,  -6.93,  99.90,  -6.15,   0.19,
07/25 17Z,   0.60,  -8.56,  99.90,  -7.77,   0.19,
07/25 18Z,   0.60,  -9.95,  99.90,  -9.17,   0.19,
07/25 19Z,   0.60, -10.45,  99.90,  -9.66,   0.19,  (min)
07/25 20Z,   0.60,  -9.98,  99.90,  -9.19,   0.19,
07/25 21Z,   0.70,  -8.91,  99.90,  -8.02,   0.19,
07/25 22Z,   0.70,  -7.35,  99.90,  -6.46,   0.19,
07/25 23Z,   0.70,  -5.48,  99.90,  -4.59,   0.19,
07/26 00Z,   0.70,  -3.90,  99.90,  -3.01,   0.19,
07/26 01Z,   0.80,  -3.16,  99.90,  -2.17,   0.19,  (max)
07/26 02Z,   0.70,  -3.34,  99.90,  -2.46,   0.19,
07/26 03Z,   0.70,  -4.27,  99.90,  -3.39,   0.19,
07/26 04Z,   0.70,  -5.77,  99.90,  -4.88,   0.19,
07/26 05Z,   0.70,  -7.71,  99.90,  -6.82,   0.19,
07/26 06Z,   0.70,  -9.72,  99.90,  -8.84,   0.19,
07/26 07Z,   0.70, -11.10,  99.90, -10.21,   0.19,
07/26 08Z,   0.70, -11.42,  99.90, -10.53,   0.19,  (min)
07/26 09Z,   0.70, -10.91,  99.90, -10.02,   0.19,
07/26 10Z,   0.70,  -9.78,  99.90,  -8.89,   0.19,
07/26 11Z,   0.70,  -8.06,  99.90,  -7.17,   0.19,
07/26 12Z,   0.80,  -6.19,  99.90,  -5.21,   0.19,
07/26 13Z,  99.90,  -4.87,  99.90,  99.90,   0.19,
07/26 14Z,  99.90,  -4.42,  99.90,  99.90,   0.19,
07/26 15Z,  99.90,  -4.76,  99.90,  99.90,   0.19,
07/26 16Z,  99.90,  -5.73,  99.90,  99.90,   0.19,
07/26 17Z,  99.90,  -7.18,  99.90,  99.90,   0.19,
07/26 18Z,  99.90,  -8.89,  99.90,  99.90,   0.19,