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 : 08/14/2026 21:23:40 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 06Z,   0.60,  -1.89,  -1.32,  99.90,  -0.03,
08/13 07Z,   0.60,  -4.68,  -3.79,  99.90,   0.29,
08/13 08Z,   0.60,  -7.75,  -6.75,  99.90,   0.40,
08/13 09Z,   0.50, -10.31,  -9.45,  99.90,   0.36,
08/13 10Z,   0.60, -11.39, -10.80,  99.90,  -0.01,  (min)
08/13 11Z,   0.60, -10.78, -10.26,  99.90,  -0.08,
08/13 12Z,   0.60,  -8.98,  -8.17,  99.90,   0.21,
08/13 13Z,   0.60,  -6.44,  -5.87,  99.90,  -0.03,
08/13 14Z,   0.60,  -3.60,  -3.16,  99.90,  -0.16,
08/13 15Z,   0.60,  -1.24,  -0.52,  99.90,   0.12,
08/13 16Z,   0.60,  -0.05,   0.60,  99.90,   0.05,
08/13 17Z,   0.60,  -0.23,   0.66,  99.90,   0.29,  (max)
08/13 18Z,   0.70,  -1.60,  -0.71,  99.90,   0.19,
08/13 19Z,   0.70,  -3.84,  -2.92,  99.90,   0.22,
08/13 20Z,   0.70,  -6.57,  -5.50,  99.90,   0.37,
08/13 21Z,   0.70,  -9.16,  -8.22,  99.90,   0.24,
08/13 22Z,   0.70, -10.63,  -9.97,  99.90,  -0.04,  (min)
08/13 23Z,   0.70, -10.38,  -9.81,  99.90,  -0.13,
08/14 00Z,   0.70,  -8.73,  -7.89,  99.90,   0.14,
08/14 01Z,   0.60,  -6.26,  -5.54,  99.90,   0.12,
08/14 02Z,   0.60,  -3.38,  -2.92,  99.90,  -0.14,
08/14 03Z,   0.60,  -0.74,  -0.26,  99.90,  -0.12,
08/14 04Z,   0.60,   0.86,   1.45,  99.90,  -0.01,
08/14 05Z,   0.60,   1.04,   1.79,  99.90,   0.15,  (max)
08/14 06Z,   0.60,  -0.13,   0.45,  99.90,  -0.02,
08/14 07Z,   0.60,  -2.34,  -1.74,  99.90,  -0.00,
08/14 08Z,   0.60,  -5.21,  -4.40,  99.90,   0.21,
08/14 09Z,   0.60,  -8.25,  -7.28,  99.90,   0.37,
08/14 10Z,   0.60, -10.60,  -9.73,  99.90,   0.27,
08/14 11Z,   0.60, -11.35, -10.92,  99.90,  -0.17,  (min)
08/14 12Z,   0.50, -10.44,  -9.99,  99.90,  -0.05,
08/14 13Z,   0.50,  -8.43,  -7.95,  99.90,  -0.02,
08/14 14Z,   0.50,  -5.77,  -5.50,  99.90,  -0.23,
08/14 15Z,   0.50,  -2.92,  -2.75,  99.90,  -0.33,
08/14 16Z,   0.50,  -0.71,  -0.43,  99.90,  -0.22,
08/14 17Z,   0.50,   0.23,   0.66,  99.90,  -0.07,  (max)
08/14 18Z,   0.50,  -0.20,   0.22,  99.90,  -0.08,
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,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 22Z,   0.50,  -9.53,  99.90,  -8.83,   0.20,
08/14 23Z,   0.50, -10.76,  99.90, -10.08,   0.19,  (min)
08/15 00Z,   0.50, -10.27,  99.90,  -9.60,   0.17,
08/15 01Z,   0.50,  -8.50,  99.90,  -7.84,   0.16,
08/15 02Z,   0.50,  -5.99,  99.90,  -5.35,   0.14,
08/15 03Z,   0.50,  -3.15,  99.90,  -2.52,   0.13,
08/15 04Z,   0.50,  -0.66,  99.90,  -0.04,   0.11,
08/15 05Z,   0.40,   0.71,  99.90,   1.21,   0.10,  (max)
08/15 06Z,   0.40,   0.65,  99.90,   1.13,   0.08,
08/15 07Z,   0.30,  -0.69,  99.90,  -0.32,   0.07,
08/15 08Z,   0.30,  -2.97,  99.90,  -2.62,   0.05,
08/15 09Z,   0.40,  -5.82,  99.90,  -5.38,   0.04,
08/15 10Z,   0.40,  -8.69,  99.90,  -8.26,   0.04,
08/15 11Z,   0.50, -10.68,  99.90, -10.15,   0.04,
08/15 12Z,   0.50, -11.02,  99.90, -10.48,   0.04,  (min)
08/15 13Z,   0.60,  -9.82,  99.90,  -9.18,   0.04,
08/15 14Z,   0.60,  -7.68,  99.90,  -7.04,   0.04,
08/15 15Z,   0.60,  -4.99,  99.90,  -4.35,   0.04,
08/15 16Z,   0.60,  -2.27,  99.90,  -1.63,   0.04,
08/15 17Z,   0.60,  -0.32,  99.90,   0.31,   0.04,
08/15 18Z,   0.60,   0.30,  99.90,   0.94,   0.04,  (max)
08/15 19Z,   0.60,  -0.42,  99.90,   0.22,   0.04,
08/15 20Z,   0.60,  -2.20,  99.90,  -1.56,   0.04,
08/15 21Z,   0.60,  -4.69,  99.90,  -4.05,   0.04,
08/15 22Z,   0.60,  -7.46,  99.90,  -6.82,   0.04,
08/15 23Z,   0.60,  -9.76,  99.90,  -9.12,   0.04,
08/16 00Z,   0.60, -10.68,  99.90, -10.04,   0.04,  (min)
08/16 01Z,   0.60,  -9.95,  99.90,  -9.31,   0.04,
08/16 02Z,   0.50,  -8.12,  99.90,  -7.58,   0.04,
08/16 03Z,   0.50,  -5.66,  99.90,  -5.12,   0.04,
08/16 04Z,   0.50,  -2.95,  99.90,  -2.42,   0.04,
08/16 05Z,   0.40,  -0.72,  99.90,  -0.28,   0.04,
08/16 06Z,   0.40,   0.35,  99.90,   0.79,   0.04,  (max)
08/16 07Z,   0.40,   0.05,  99.90,   0.49,   0.04,
08/16 08Z,   0.50,  -1.42,  99.90,  -0.88,   0.04,
08/16 09Z,   0.50,  -3.70,  99.90,  -3.16,   0.04,
08/16 10Z,   0.60,  -6.40,  99.90,  -5.76,   0.04,
08/16 11Z,   0.60,  -8.97,  99.90,  -8.33,   0.04,
08/16 12Z,   0.60, -10.51,  99.90,  -9.87,   0.04,  (min)
08/16 13Z,   0.60, -10.42,  99.90,  -9.79,   0.04,
08/16 14Z,   0.60,  -9.00,  99.90,  -8.36,   0.04,
08/16 15Z,   0.60,  -6.82,  99.90,  -6.18,   0.04,
08/16 16Z,   0.60,  -4.22,  99.90,  -3.58,   0.04,
08/16 17Z,   0.60,  -1.74,  99.90,  -1.10,   0.04,
08/16 18Z,   0.60,  -0.15,  99.90,   0.49,   0.04,
08/16 19Z,   0.60,   0.13,  99.90,   0.77,   0.04,  (max)
08/16 20Z,   0.60,  -0.84,  99.90,  -0.20,   0.04,
08/16 21Z,   0.60,  -2.74,  99.90,  -2.10,   0.04,
08/16 22Z,   0.50,  -5.21,  99.90,  -4.67,   0.04,
08/16 23Z,   0.50,  -7.81,  99.90,  -7.27,   0.04,
08/17 00Z,   0.50,  -9.80,  99.90,  -9.27,   0.04,
08/17 01Z,   0.50, -10.38,  99.90,  -9.84,   0.04,  (min)
08/17 02Z,   0.50,  -9.48,  99.90,  -8.94,   0.04,
08/17 03Z,   0.50,  -7.66,  99.90,  -7.13,   0.04,
08/17 04Z,   0.40,  -5.34,  99.90,  -4.90,   0.04,
08/17 05Z,   0.40,  -2.87,  99.90,  -2.43,   0.04,
08/17 06Z,   0.40,  -0.95,  99.90,  -0.51,   0.04,
08/17 07Z,   0.50,  -0.19,  99.90,   0.35,   0.04,  (max)
08/17 08Z,   0.50,  -0.69,  99.90,  -0.16,   0.04,
08/17 09Z,   0.60,  -2.21,  99.90,  -1.58,   0.04,
08/17 10Z,   0.60,  -4.38,  99.90,  -3.74,   0.04,
08/17 11Z,   0.60,  -6.83,  99.90,  -6.19,   0.04,
08/17 12Z,   0.60,  -9.02,  99.90,  -8.38,   0.04,
08/17 13Z,   0.70, -10.09,  99.90,  -9.35,   0.04,  (min)
08/17 14Z,   0.60,  -9.65,  99.90,  -9.01,   0.04,
08/17 15Z,   0.60,  -8.11,  99.90,  -7.47,   0.04,
08/17 16Z,   0.60,  -5.99,  99.90,  -5.35,   0.04,
08/17 17Z,   0.60,  -3.58,  99.90,  -2.94,   0.04,
08/17 18Z,   0.60,  -1.42,  99.90,  -0.78,   0.04,
08/17 19Z,   0.60,  -0.20,  99.90,   0.44,   0.04,
08/17 20Z,   0.70,  -0.24,  99.90,   0.49,   0.04,  (max)
08/17 21Z,   0.70,  -1.39,  99.90,  -0.66,   0.04,
08/17 22Z,   0.70,  -3.31,  99.90,  -2.57,   0.04,
08/17 23Z,   0.80,  -5.65,  99.90,  -4.81,   0.04,
08/18 00Z,   0.80,  -8.01,  99.90,  -7.17,   0.04,
08/18 01Z,   0.80,  -9.66,  99.90,  -8.82,   0.04,
08/18 02Z,   0.80,  -9.94,  99.90,  -9.10,   0.04,  (min)
08/18 03Z,   0.80,  -8.94,  99.90,  -8.10,   0.04,
08/18 04Z,   0.70,  -7.23,  99.90,  -6.50,   0.04,
08/18 05Z,   0.70,  -5.11,  99.90,  -4.37,   0.04,
08/18 06Z,   0.70,  -2.90,  99.90,  -2.17,   0.04,
08/18 07Z,   0.70,  -1.31,  99.90,  -0.57,   0.04,
08/18 08Z,   0.60,  -0.82,  99.90,  -0.18,   0.04,  (max)
08/18 09Z,   0.70,  -1.47,  99.90,  -0.73,   0.04,
08/18 10Z,   0.70,  -2.95,  99.90,  -2.21,   0.04,
08/18 11Z,   0.70,  -4.93,  99.90,  -4.19,   0.04,
08/18 12Z,   0.70,  -7.07,  99.90,  -6.33,   0.04,
08/18 13Z,  99.90,  -8.85,  99.90,  99.90,   0.04,
08/18 14Z,  99.90,  -9.51,  99.90,  99.90,   0.04,
08/18 15Z,  99.90,  -8.82,  99.90,  99.90,   0.04,
08/18 16Z,  99.90,  -7.28,  99.90,  99.90,   0.04,
08/18 17Z,  99.90,  -5.31,  99.90,  99.90,   0.04,
08/18 18Z,  99.90,  -3.14,  99.90,  99.90,   0.04,