EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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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 : 08/16/2026 13:23:36 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 18Z,   0.50,  -0.20,   0.22,  99.90,  -0.08,  (max)
08/14 19Z,   0.50,  -1.80,  -1.44,  99.90,  -0.14,
08/14 20Z,   0.50,  -4.21,  -3.61,  99.90,   0.10,
08/14 21Z,   0.50,  -7.02,  -6.30,  99.90,   0.22,
08/14 22Z,   0.50,  -9.53,  -8.71,  99.90,   0.32,
08/14 23Z,   0.50, -10.76, -10.34,  99.90,  -0.08,  (min)
08/15 00Z,   0.50, -10.27,  -9.98,  99.90,  -0.21,
08/15 01Z,   0.50,  -8.50,  -7.98,  99.90,   0.02,
08/15 02Z,   0.40,  -5.99,  -5.71,  99.90,  -0.12,
08/15 03Z,   0.40,  -3.15,  -3.09,  99.90,  -0.34,
08/15 04Z,   0.40,  -0.66,  -0.60,  99.90,  -0.34,
08/15 05Z,   0.30,   0.71,   0.73,  99.90,  -0.28,
08/15 06Z,   0.20,   0.65,   0.87,  99.90,   0.02,  (max)
08/15 07Z,   0.20,  -0.69,  -0.54,  99.90,  -0.05,
08/15 08Z,   0.30,  -2.97,  -2.64,  99.90,   0.03,
08/15 09Z,   0.30,  -5.82,  -5.20,  99.90,   0.32,
08/15 10Z,   0.30,  -8.69,  -7.97,  99.90,   0.42,
08/15 11Z,   0.30, -10.68, -10.04,  99.90,   0.34,
08/15 12Z,   0.30, -11.02, -10.77,  99.90,  -0.05,  (min)
08/15 13Z,   0.30,  -9.82,  -9.38,  99.90,   0.14,
08/15 14Z,   0.40,  -7.68,  -7.34,  99.90,  -0.06,
08/15 15Z,   0.40,  -4.99,  -4.87,  99.90,  -0.28,
08/15 16Z,   0.40,  -2.27,  -2.19,  99.90,  -0.32,
08/15 17Z,   0.40,  -0.32,  -0.21,  99.90,  -0.29,
08/15 18Z,   0.40,   0.30,   0.60,  99.90,  -0.10,  (max)
08/15 19Z,   0.40,  -0.42,   0.02,  99.90,   0.04,
08/15 20Z,   0.40,  -2.20,  -1.85,  99.90,  -0.05,
08/15 21Z,   0.40,  -4.69,  -4.10,  99.90,   0.19,
08/15 22Z,   0.40,  -7.46,  -6.75,  99.90,   0.31,
08/15 23Z,   0.40,  -9.76,  -8.95,  99.90,   0.41,
08/16 00Z,   0.30, -10.68, -10.25,  99.90,   0.13,  (min)
08/16 01Z,   0.30,  -9.95,  -9.70,  99.90,  -0.05,
08/16 02Z,   0.30,  -8.12,  -7.77,  99.90,   0.05,
08/16 03Z,   0.30,  -5.66,  -5.51,  99.90,  -0.15,
08/16 04Z,   0.30,  -2.95,  -2.88,  99.90,  -0.23,
08/16 05Z,   0.20,  -0.72,  -0.66,  99.90,  -0.14,
08/16 06Z,   0.20,   0.35,   0.55,  99.90,   0.00,  (max)
08/16 07Z,   0.20,   0.05,   0.31,  99.90,   0.06,
08/16 08Z,   0.20,  -1.42,  -1.13,  99.90,   0.09,
08/16 09Z,   0.30,  -3.70,  -3.22,  99.90,   0.18,
08/16 10Z,   0.30,  -6.40,  -5.74,  99.90,   0.36,
08/16 11Z,   0.30,  -8.97,  -8.14,  99.90,   0.53,
08/16 12Z,   0.30, -10.51,  -9.89,  99.90,   0.32,
08/16 13Z,   0.30, -10.42, -10.01,  99.90,   0.11,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 14Z,   0.30,  -9.00,  99.90,  -8.59,   0.11,
08/16 15Z,   0.30,  -6.82,  99.90,  -6.42,   0.10,
08/16 16Z,   0.30,  -4.22,  99.90,  -3.83,   0.09,
08/16 17Z,   0.30,  -1.74,  99.90,  -1.35,   0.09,
08/16 18Z,   0.30,  -0.15,  99.90,   0.23,   0.08,
08/16 19Z,   0.30,   0.13,  99.90,   0.50,   0.08,  (max)
08/16 20Z,   0.40,  -0.84,  99.90,  -0.37,   0.07,
08/16 21Z,   0.40,  -2.74,  99.90,  -2.28,   0.06,
08/16 22Z,   0.40,  -5.21,  99.90,  -4.75,   0.06,
08/16 23Z,   0.30,  -7.81,  99.90,  -7.46,   0.05,
08/17 00Z,   0.20,  -9.80,  99.90,  -9.56,   0.04,
08/17 01Z,   0.20, -10.38,  99.90, -10.15,   0.04,  (min)
08/17 02Z,   0.20,  -9.48,  99.90,  -9.24,   0.04,
08/17 03Z,   0.20,  -7.66,  99.90,  -7.43,   0.04,
08/17 04Z,   0.20,  -5.34,  99.90,  -5.10,   0.04,
08/17 05Z,   0.10,  -2.87,  99.90,  -2.73,   0.04,
08/17 06Z,   0.10,  -0.95,  99.90,  -0.81,   0.04,
08/17 07Z,   0.20,  -0.19,  99.90,   0.05,   0.04,  (max)
08/17 08Z,   0.20,  -0.69,  99.90,  -0.46,   0.04,
08/17 09Z,   0.20,  -2.21,  99.90,  -1.98,   0.04,
08/17 10Z,   0.20,  -4.38,  99.90,  -4.15,   0.04,
08/17 11Z,   0.20,  -6.83,  99.90,  -6.60,   0.04,
08/17 12Z,   0.20,  -9.02,  99.90,  -8.78,   0.04,
08/17 13Z,   0.20, -10.09,  99.90,  -9.86,   0.04,  (min)
08/17 14Z,   0.20,  -9.65,  99.90,  -9.41,   0.04,
08/17 15Z,   0.20,  -8.11,  99.90,  -7.87,   0.04,
08/17 16Z,   0.20,  -5.99,  99.90,  -5.76,   0.04,
08/17 17Z,   0.30,  -3.58,  99.90,  -3.25,   0.04,
08/17 18Z,   0.30,  -1.42,  99.90,  -1.08,   0.04,
08/17 19Z,   0.30,  -0.20,  99.90,   0.13,   0.04,  (max)
08/17 20Z,   0.30,  -0.24,  99.90,   0.09,   0.04,
08/17 21Z,   0.30,  -1.39,  99.90,  -1.06,   0.04,
08/17 22Z,   0.30,  -3.31,  99.90,  -2.98,   0.04,
08/17 23Z,   0.40,  -5.65,  99.90,  -5.21,   0.04,
08/18 00Z,   0.40,  -8.01,  99.90,  -7.57,   0.04,
08/18 01Z,   0.40,  -9.66,  99.90,  -9.23,   0.04,
08/18 02Z,   0.40,  -9.94,  99.90,  -9.50,   0.04,  (min)
08/18 03Z,   0.40,  -8.94,  99.90,  -8.51,   0.04,
08/18 04Z,   0.40,  -7.23,  99.90,  -6.80,   0.04,
08/18 05Z,   0.30,  -5.11,  99.90,  -4.77,   0.04,
08/18 06Z,   0.40,  -2.90,  99.90,  -2.47,   0.04,
08/18 07Z,   0.30,  -1.31,  99.90,  -0.97,   0.04,
08/18 08Z,   0.40,  -0.82,  99.90,  -0.39,   0.04,  (max)
08/18 09Z,   0.40,  -1.47,  99.90,  -1.03,   0.04,
08/18 10Z,   0.40,  -2.95,  99.90,  -2.51,   0.04,
08/18 11Z,   0.40,  -4.93,  99.90,  -4.49,   0.04,
08/18 12Z,   0.40,  -7.07,  99.90,  -6.64,   0.04,
08/18 13Z,   0.40,  -8.85,  99.90,  -8.41,   0.04,
08/18 14Z,   0.40,  -9.51,  99.90,  -9.07,   0.04,  (min)
08/18 15Z,   0.40,  -8.82,  99.90,  -8.38,   0.04,
08/18 16Z,   0.30,  -7.28,  99.90,  -6.94,   0.04,
08/18 17Z,   0.40,  -5.31,  99.90,  -4.88,   0.04,
08/18 18Z,   0.40,  -3.14,  99.90,  -2.71,   0.04,
08/18 19Z,   0.40,  -1.31,  99.90,  -0.87,   0.04,
08/18 20Z,   0.40,  -0.44,  99.90,  -0.00,   0.04,  (max)
08/18 21Z,   0.40,  -0.73,  99.90,  -0.29,   0.04,
08/18 22Z,   0.40,  -1.97,  99.90,  -1.53,   0.04,
08/18 23Z,   0.40,  -3.81,  99.90,  -3.37,   0.04,
08/19 00Z,   0.50,  -5.96,  99.90,  -5.42,   0.04,
08/19 01Z,   0.50,  -8.04,  99.90,  -7.51,   0.04,
08/19 02Z,   0.50,  -9.38,  99.90,  -8.84,   0.04,
08/19 03Z,   0.50,  -9.44,  99.90,  -8.90,   0.04,  (min)
08/19 04Z,   0.50,  -8.45,  99.90,  -7.91,   0.04,
08/19 05Z,   0.40,  -6.90,  99.90,  -6.47,   0.04,
08/19 06Z,   0.40,  -5.00,  99.90,  -4.56,   0.04,
08/19 07Z,   0.40,  -3.06,  99.90,  -2.62,   0.04,
08/19 08Z,   0.40,  -1.74,  99.90,  -1.30,   0.04,
08/19 09Z,   0.50,  -1.46,  99.90,  -0.92,   0.04,  (max)
08/19 10Z,   0.40,  -2.15,  99.90,  -1.72,   0.04,
08/19 11Z,   0.50,  -3.53,  99.90,  -3.00,   0.04,
08/19 12Z,   0.50,  -5.28,  99.90,  -4.74,   0.04,
08/19 13Z,   0.50,  -7.12,  99.90,  -6.58,   0.04,
08/19 14Z,   0.40,  -8.54,  99.90,  -8.11,   0.04,
08/19 15Z,   0.40,  -8.88,  99.90,  -8.44,   0.04,  (min)
08/19 16Z,   0.40,  -8.07,  99.90,  -7.63,   0.04,
08/19 17Z,   0.40,  -6.61,  99.90,  -6.18,   0.04,
08/19 18Z,   0.40,  -4.83,  99.90,  -4.40,   0.04,
08/19 19Z,   0.40,  -2.90,  99.90,  -2.47,   0.04,
08/19 20Z,   0.40,  -1.36,  99.90,  -0.93,   0.04,
08/19 21Z,   0.40,  -0.76,  99.90,  -0.33,   0.04,  (max)
08/19 22Z,   0.30,  -1.21,  99.90,  -0.87,   0.04,
08/19 23Z,   0.30,  -2.45,  99.90,  -2.11,   0.04,
08/20 00Z,   0.30,  -4.16,  99.90,  -3.82,   0.04,
08/20 01Z,   0.30,  -6.11,  99.90,  -5.77,   0.04,
08/20 02Z,   0.30,  -7.95,  99.90,  -7.62,   0.04,
08/20 03Z,   0.20,  -9.05,  99.90,  -8.81,   0.04,  (min)
08/20 04Z,   0.20,  -8.98,  99.90,  -8.75,   0.04,
08/20 05Z,   0.20,  -8.07,  99.90,  -7.84,   0.04,
08/20 06Z,   0.20,  -6.71,  99.90,  -6.48,   0.04,