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 : 10/11/2026 16:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 00Z,   0.20,   4.55,   4.84,  99.90,   0.09,
10/10 01Z,   0.20,   7.26,   7.27,  99.90,  -0.19,
10/10 02Z,   0.20,   9.39,   9.63,  99.90,   0.04,
10/10 03Z,   0.10,  10.36,  10.55,  99.90,   0.09,  (max)
10/10 04Z,   0.10,  10.08,  10.33,  99.90,   0.15,
10/10 05Z,   0.10,   8.72,   8.97,  99.90,   0.15,
10/10 06Z,   0.10,   6.55,   6.76,  99.90,   0.11,
10/10 07Z,   0.10,   3.88,   4.45,  99.90,   0.47,
10/10 08Z,   0.10,   1.39,   2.07,  99.90,   0.58,
10/10 09Z,   0.10,   0.07,   0.44,  99.90,   0.27,  (min)
10/10 10Z,   0.10,   0.30,   0.54,  99.90,   0.14,
10/10 11Z,   0.10,   1.72,   1.97,  99.90,   0.15,
10/10 12Z,   0.00,   3.95,   4.12,  99.90,   0.17,
10/10 13Z,   0.00,   6.65,   6.34,  99.90,  -0.31,
10/10 14Z,   0.00,   9.09,   8.80,  99.90,  -0.29,
10/10 15Z,  -0.10,  10.50,  10.16,  99.90,  -0.24,
10/10 16Z,  -0.10,  10.60,  10.38,  99.90,  -0.12,  (max)
10/10 17Z,  -0.10,   9.51,   9.37,  99.90,  -0.04,
10/10 18Z,   0.00,   7.50,   7.31,  99.90,  -0.19,
10/10 19Z,   0.00,   4.84,   5.02,  99.90,   0.18,
10/10 20Z,   0.00,   2.05,   2.47,  99.90,   0.42,
10/10 21Z,   0.10,   0.06,   0.47,  99.90,   0.31,
10/10 22Z,   0.10,  -0.40,  -0.18,  99.90,   0.12,  (min)
10/10 23Z,   0.20,   0.56,   0.88,  99.90,   0.12,
10/11 00Z,   0.20,   2.47,   2.73,  99.90,   0.06,
10/11 01Z,   0.20,   5.03,   5.10,  99.90,  -0.13,
10/11 02Z,   0.20,   7.68,   7.60,  99.90,  -0.28,
10/11 03Z,   0.20,   9.58,   9.53,  99.90,  -0.25,
10/11 04Z,   0.20,  10.25,  10.34,  99.90,  -0.11,  (max)
10/11 05Z,   0.20,   9.69,   9.78,  99.90,  -0.11,
10/11 06Z,   0.20,   8.13,   8.29,  99.90,  -0.04,
10/11 07Z,   0.20,   5.85,   6.09,  99.90,   0.04,
10/11 08Z,   0.30,   3.22,   3.81,  99.90,   0.29,
10/11 09Z,   0.30,   1.02,   1.66,  99.90,   0.34,
10/11 10Z,   0.30,   0.15,   0.49,  99.90,   0.04,  (min)
10/11 11Z,   0.40,   0.81,   1.14,  99.90,  -0.07,
10/11 12Z,   0.40,   2.51,   2.80,  99.90,  -0.11,
10/11 13Z,   0.40,   4.89,   5.22,  99.90,  -0.07,
10/11 14Z,   0.40,   7.55,   7.43,  99.90,  -0.52,
10/11 15Z,   0.30,   9.71,   9.76,  99.90,  -0.25,
10/11 16Z,   0.30,  10.71,  10.78,  99.90,  -0.23,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 17Z,   0.30,  10.41,  99.90,  10.50,  -0.20,
10/11 18Z,   0.20,   8.98,  99.90,   9.01,  -0.17,
10/11 19Z,   0.20,   6.75,  99.90,   6.81,  -0.14,
10/11 20Z,   0.20,   4.03,  99.90,   4.12,  -0.10,
10/11 21Z,   0.20,   1.39,  99.90,   1.52,  -0.07,
10/11 22Z,   0.20,  -0.22,  99.90,  -0.06,  -0.04,  (min)
10/11 23Z,   0.30,  -0.26,  99.90,   0.04,  -0.01,
10/12 00Z,   0.30,   1.00,  99.90,   1.32,   0.02,
10/12 01Z,   0.30,   3.06,  99.90,   3.41,   0.06,
10/12 02Z,   0.30,   5.62,  99.90,   6.01,   0.09,
10/12 03Z,   0.30,   8.08,  99.90,   8.50,   0.12,
10/12 04Z,   0.30,   9.65,  99.90,  10.11,   0.15,
10/12 05Z,   0.40,   9.96,  99.90,  10.52,   0.15,  (max)
10/12 06Z,   0.40,   9.11,  99.90,   9.66,   0.15,
10/12 07Z,   0.40,   7.37,  99.90,   7.93,   0.15,
10/12 08Z,   0.50,   5.08,  99.90,   5.73,   0.15,
10/12 09Z,   0.50,   2.64,  99.90,   3.29,   0.15,
10/12 10Z,   0.60,   0.85,  99.90,   1.60,   0.15,
10/12 11Z,   0.60,   0.49,  99.90,   1.25,   0.15,  (min)
10/12 12Z,   0.60,   1.55,  99.90,   2.30,   0.15,
10/12 13Z,   0.50,   3.46,  99.90,   4.12,   0.15,
10/12 14Z,   0.60,   5.87,  99.90,   6.62,   0.15,
10/12 15Z,   0.50,   8.33,  99.90,   8.98,   0.15,
10/12 16Z,   0.70,  10.10,  99.90,  10.96,   0.15,
10/12 17Z,   0.70,  10.64,  99.90,  11.50,   0.15,  (max)
10/12 18Z,   0.70,   9.92,  99.90,  10.78,   0.15,
10/12 19Z,   0.70,   8.22,  99.90,   9.08,   0.15,
10/12 20Z,   0.70,   5.88,  99.90,   6.73,   0.15,
10/12 21Z,   0.70,   3.24,  99.90,   4.09,   0.15,
10/12 22Z,   0.80,   0.91,  99.90,   1.86,   0.15,
10/12 23Z,   0.80,  -0.23,  99.90,   0.72,   0.15,  (min)
10/13 00Z,   0.90,   0.16,  99.90,   1.21,   0.15,
10/13 01Z,   0.90,   1.64,  99.90,   2.70,   0.15,
10/13 02Z,   0.90,   3.76,  99.90,   4.82,   0.15,
10/13 03Z,   1.10,   6.22,  99.90,   7.47,   0.15,
10/13 04Z,   1.20,   8.38,  99.90,   9.73,   0.15,
10/13 05Z,   1.20,   9.55,  99.90,  10.90,   0.15,  (max)
10/13 06Z,   1.20,   9.49,  99.90,  10.84,   0.15,
10/13 07Z,   1.10,   8.38,  99.90,   9.64,   0.15,
10/13 08Z,   1.30,   6.56,  99.90,   8.02,   0.15,
10/13 09Z,   1.40,   4.36,  99.90,   5.91,   0.15,
10/13 10Z,   1.50,   2.21,  99.90,   3.86,   0.15,
10/13 11Z,   1.60,   0.91,  99.90,   2.66,   0.15,  (min)
10/13 12Z,   1.70,   1.06,  99.90,   2.91,   0.15,
10/13 13Z,   1.70,   2.43,  99.90,   4.28,   0.15,
10/13 14Z,   1.60,   4.42,  99.90,   6.18,   0.15,
10/13 15Z,   1.50,   6.72,  99.90,   8.38,   0.15,
10/13 16Z,   1.40,   8.89,  99.90,  10.44,   0.15,
10/13 17Z,   1.30,  10.21,  99.90,  11.67,   0.15,  (max)
10/13 18Z,   1.20,  10.30,  99.90,  11.65,   0.15,
10/13 19Z,   1.10,   9.24,  99.90,  10.49,   0.15,
10/13 20Z,   1.00,   7.36,  99.90,   8.52,   0.15,
10/13 21Z,   1.00,   5.03,  99.90,   6.19,   0.15,
10/13 22Z,   0.90,   2.60,  99.90,   3.65,   0.15,
10/13 23Z,   0.90,   0.67,  99.90,   1.73,   0.15,
10/14 00Z,   0.80,   0.03,  99.90,   0.98,   0.15,  (min)
10/14 01Z,   0.80,   0.78,  99.90,   1.73,   0.15,
10/14 02Z,   0.70,   2.39,  99.90,   3.25,   0.15,
10/14 03Z,   0.60,   4.46,  99.90,   5.21,   0.15,
10/14 04Z,   0.50,   6.70,  99.90,   7.36,   0.15,
10/14 05Z,   0.40,   8.50,  99.90,   9.06,   0.15,
10/14 06Z,   0.30,   9.27,  99.90,   9.72,   0.15,  (max)
10/14 07Z,   0.40,   8.89,  99.90,   9.45,   0.15,
10/14 08Z,   0.30,   7.62,  99.90,   8.07,   0.15,
10/14 09Z,   0.30,   5.81,  99.90,   6.26,   0.15,
10/14 10Z,   0.30,   3.79,  99.90,   4.24,   0.15,
10/14 11Z,   0.20,   2.00,  99.90,   2.35,   0.15,
10/14 12Z,   0.30,   1.19,  99.90,   1.64,   0.15,  (min)
10/14 13Z,   0.20,   1.77,  99.90,   2.12,   0.15,
10/14 14Z,   0.20,   3.32,  99.90,   3.67,   0.15,
10/14 15Z,   0.20,   5.27,  99.90,   5.63,   0.15,
10/14 16Z,   0.10,   7.37,  99.90,   7.62,   0.15,
10/14 17Z,   0.10,   9.18,  99.90,   9.43,   0.15,
10/14 18Z,   0.10,  10.07,  99.90,  10.32,   0.15,  (max)
10/14 19Z,   0.10,   9.77,  99.90,  10.02,   0.15,
10/14 20Z,   0.10,   8.47,  99.90,   8.72,   0.15,
10/14 21Z,   0.10,   6.54,  99.90,   6.80,   0.15,
10/14 22Z,   0.10,   4.34,  99.90,   4.60,   0.15,
10/14 23Z,   0.20,   2.19,  99.90,   2.55,   0.15,
10/15 00Z,   0.20,   0.70,  99.90,   1.05,   0.15,
10/15 01Z,   0.20,   0.49,  99.90,   0.85,   0.15,  (min)
10/15 02Z,   0.20,   1.49,  99.90,   1.85,   0.15,
10/15 03Z,   0.20,   3.11,  99.90,   3.46,   0.15,
10/15 04Z,   0.10,   5.04,  99.90,   5.29,   0.15,
10/15 05Z,   0.10,   7.01,  99.90,   7.27,   0.15,
10/15 06Z,   0.10,   8.45,  99.90,   8.71,   0.15,
10/15 07Z,  99.90,   8.87,  99.90,  99.90,   0.15,
10/15 08Z,  99.90,   8.25,  99.90,  99.90,   0.15,
10/15 09Z,  99.90,   6.91,  99.90,  99.90,   0.15,
10/15 10Z,  99.90,   5.20,  99.90,  99.90,   0.15,
10/15 11Z,  99.90,   3.41,  99.90,  99.90,   0.15,
10/15 12Z,  99.90,   2.00,  99.90,  99.90,   0.15,