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
#Philadelphia, PA : 10/17/2026 00:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 06Z,   0.50,   3.16,   3.87,  99.90,   0.21,
10/15 07Z,   0.50,   4.37,   4.98,  99.90,   0.11,
10/15 08Z,   0.50,   5.28,   5.74,  99.90,  -0.04,
10/15 09Z,   0.50,   5.93,   6.18,  99.90,  -0.25,  (max)
10/15 10Z,   0.50,   5.81,   5.63,  99.90,  -0.68,
10/15 11Z,   0.50,   4.94,  99.90,  99.90,  99.90,
10/15 12Z,   0.40,   3.82,   3.59,  99.90,  -0.63,
10/15 13Z,   0.40,   2.76,   2.64,  99.90,  -0.52,
10/15 14Z,   0.40,   1.88,   1.68,  99.90,  -0.60,
10/15 15Z,   0.40,   1.23,   0.89,  99.90,  -0.74,  (min)
10/15 16Z,   0.50,   0.98,   0.96,  99.90,  -0.52,
10/15 17Z,   0.50,   1.76,   2.65,  99.90,   0.39,
10/15 18Z,   0.50,   3.47,   4.27,  99.90,   0.30,
10/15 19Z,   0.50,   5.05,   5.71,  99.90,   0.16,
10/15 20Z,   0.60,   6.03,   6.81,  99.90,   0.18,
10/15 21Z,   0.60,   6.67,   7.62,  99.90,   0.35,
10/15 22Z,   0.70,   6.74,   7.72,  99.90,   0.28,  (max)
10/15 23Z,   0.70,   6.01,   6.96,  99.90,   0.25,
10/16 00Z,   0.80,   4.91,   5.83,  99.90,   0.12,
10/16 01Z,   0.80,   3.82,   4.71,  99.90,   0.09,
10/16 02Z,   0.80,   2.83,   3.67,  99.90,   0.04,
10/16 03Z,   0.90,   1.95,   2.68,  99.90,  -0.17,
10/16 04Z,   0.90,   1.20,   1.88,  99.90,  -0.22,  (min)
10/16 05Z,   0.90,   1.09,   1.93,  99.90,  -0.06,
10/16 06Z,   0.90,   2.09,   3.47,  99.90,   0.48,
10/16 07Z,   0.90,   3.51,   4.73,  99.90,   0.32,
10/16 08Z,   0.90,   4.55,   5.75,  99.90,   0.30,
10/16 09Z,   0.90,   5.32,   6.45,  99.90,   0.23,
10/16 10Z,   0.90,   5.81,   6.74,  99.90,   0.03,  (max)
10/16 11Z,   0.90,   5.52,   6.12,  99.90,  -0.30,
10/16 12Z,   1.00,   4.56,   5.11,  99.90,  -0.45,
10/16 13Z,   1.00,   3.43,   4.10,  99.90,  -0.33,
10/16 14Z,   1.00,   2.38,   3.17,  99.90,  -0.21,
10/16 15Z,   1.00,   1.59,   2.26,  99.90,  -0.33,
10/16 16Z,   1.00,   1.08,   1.63,  99.90,  -0.45,  (min)
10/16 17Z,   1.00,   1.10,   2.34,  99.90,   0.24,
10/16 18Z,   1.00,   2.16,   4.07,  99.90,   0.91,
10/16 19Z,   1.00,   3.93,   5.40,  99.90,   0.47,
10/16 20Z,   1.00,   5.33,   6.50,  99.90,   0.17,
10/16 21Z,   1.00,   6.13,   7.35,  99.90,   0.22,
10/16 22Z,   1.00,   6.63,   7.72,  99.90,   0.09,  (max)
10/16 23Z,   1.00,   6.53,   7.26,  99.90,  -0.27,
10/17 00Z,   1.00,   5.71,   6.21,  99.90,  -0.50,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 01Z,   1.00,   4.59,  99.90,   5.13,  -0.46,
10/17 02Z,   1.00,   3.51,  99.90,   4.08,  -0.43,
10/17 03Z,   1.00,   2.56,  99.90,   3.16,  -0.40,
10/17 04Z,   1.00,   1.75,  99.90,   2.38,  -0.37,
10/17 05Z,   0.90,   1.14,  99.90,   1.71,  -0.33,  (min)
10/17 06Z,   0.90,   1.28,  99.90,   1.87,  -0.30,
10/17 07Z,   0.90,   2.42,  99.90,   3.05,  -0.27,
10/17 08Z,   0.80,   3.76,  99.90,   4.32,  -0.24,
10/17 09Z,   0.80,   4.64,  99.90,   5.24,  -0.20,
10/17 10Z,   0.70,   5.33,  99.90,   5.86,  -0.17,
10/17 11Z,   0.70,   5.70,  99.90,   6.26,  -0.14,  (max)
10/17 12Z,   0.60,   5.29,  99.90,   5.78,  -0.11,
10/17 13Z,   0.60,   4.28,  99.90,   4.77,  -0.11,
10/17 14Z,   0.60,   3.13,  99.90,   3.63,  -0.11,
10/17 15Z,   0.50,   2.12,  99.90,   2.51,  -0.11,
10/17 16Z,   0.50,   1.40,  99.90,   1.79,  -0.11,
10/17 17Z,   0.50,   1.00,  99.90,   1.40,  -0.11,  (min)
10/17 18Z,   0.50,   1.23,  99.90,   1.62,  -0.11,
10/17 19Z,   0.50,   2.49,  99.90,   2.89,  -0.11,
10/17 20Z,   0.50,   4.24,  99.90,   4.64,  -0.11,
10/17 21Z,   0.50,   5.47,  99.90,   5.86,  -0.11,
10/17 22Z,   0.50,   6.15,  99.90,   6.54,  -0.11,
10/17 23Z,   0.50,   6.56,  99.90,   6.95,  -0.11,  (max)
10/18 00Z,   0.50,   6.36,  99.90,   6.75,  -0.11,
10/18 01Z,   0.50,   5.47,  99.90,   5.87,  -0.11,
10/18 02Z,   0.50,   4.36,  99.90,   4.75,  -0.11,
10/18 03Z,   0.60,   3.29,  99.90,   3.78,  -0.11,
10/18 04Z,   0.60,   2.37,  99.90,   2.86,  -0.11,
10/18 05Z,   0.70,   1.61,  99.90,   2.20,  -0.11,
10/18 06Z,   0.70,   1.11,  99.90,   1.71,  -0.11,  (min)
10/18 07Z,   0.70,   1.44,  99.90,   2.04,  -0.11,
10/18 08Z,   0.60,   2.68,  99.90,   3.17,  -0.11,
10/18 09Z,   0.60,   3.91,  99.90,   4.40,  -0.11,
10/18 10Z,   0.70,   4.69,  99.90,   5.29,  -0.11,
10/18 11Z,   0.70,   5.35,  99.90,   5.94,  -0.11,
10/18 12Z,   0.70,   5.64,  99.90,   6.23,  -0.11,  (max)
10/18 13Z,   0.70,   5.13,  99.90,   5.73,  -0.11,
10/18 14Z,   0.80,   4.09,  99.90,   4.79,  -0.11,
10/18 15Z,   0.80,   2.95,  99.90,   3.65,  -0.11,
10/18 16Z,   0.90,   1.96,  99.90,   2.76,  -0.11,
10/18 17Z,   0.90,   1.29,  99.90,   2.09,  -0.11,
10/18 18Z,   0.90,   0.98,  99.90,   1.77,  -0.11,  (min)
10/18 19Z,   0.90,   1.35,  99.90,   2.15,  -0.11,
10/18 20Z,   1.00,   2.74,  99.90,   3.63,  -0.11,
10/18 21Z,   1.00,   4.42,  99.90,   5.31,  -0.11,
10/18 22Z,   1.00,   5.49,  99.90,   6.39,  -0.11,
10/18 23Z,   1.10,   6.13,  99.90,   7.12,  -0.11,
10/19 00Z,   1.10,   6.51,  99.90,   7.50,  -0.11,  (max)
10/19 01Z,   1.10,   6.23,  99.90,   7.23,  -0.11,
10/19 02Z,   1.10,   5.31,  99.90,   6.31,  -0.11,
10/19 03Z,   1.20,   4.20,  99.90,   5.29,  -0.11,
10/19 04Z,   1.20,   3.13,  99.90,   4.22,  -0.11,
10/19 05Z,   1.20,   2.23,  99.90,   3.32,  -0.11,
10/19 06Z,   1.30,   1.48,  99.90,   2.68,  -0.11,
10/19 07Z,   1.30,   1.08,  99.90,   2.27,  -0.11,  (min)
10/19 08Z,   1.30,   1.57,  99.90,   2.77,  -0.11,
10/19 09Z,   1.30,   2.86,  99.90,   4.05,  -0.11,
10/19 10Z,   1.40,   4.00,  99.90,   5.30,  -0.11,
10/19 11Z,   1.40,   4.76,  99.90,   6.05,  -0.11,
10/19 12Z,   1.40,   5.42,  99.90,   6.72,  -0.11,
10/19 13Z,   1.40,   5.65,  99.90,   6.95,  -0.11,  (max)
10/19 14Z,   1.40,   5.07,  99.90,   6.37,  -0.11,
10/19 15Z,   1.40,   4.01,  99.90,   5.30,  -0.11,
10/19 16Z,   1.30,   2.87,  99.90,   4.06,  -0.11,
10/19 17Z,   1.30,   1.90,  99.90,   3.10,  -0.11,
10/19 18Z,   1.30,   1.25,  99.90,   2.44,  -0.11,
10/19 19Z,   1.30,   0.96,  99.90,   2.16,  -0.11,  (min)
10/19 20Z,   1.30,   1.44,  99.90,   2.63,  -0.11,
10/19 21Z,   1.30,   2.90,  99.90,   4.09,  -0.11,
10/19 22Z,   1.40,   4.49,  99.90,   5.78,  -0.11,
10/19 23Z,   1.40,   5.48,  99.90,   6.77,  -0.11,
10/20 00Z,   1.40,   6.14,  99.90,   7.43,  -0.11,
10/20 01Z,   1.50,   6.51,  99.90,   7.90,  -0.11,  (max)
10/20 02Z,   1.60,   6.16,  99.90,   7.65,  -0.11,
10/20 03Z,   1.60,   5.21,  99.90,   6.70,  -0.11,
10/20 04Z,   1.60,   4.08,  99.90,   5.57,  -0.11,
10/20 05Z,   1.70,   3.01,  99.90,   4.60,  -0.11,
10/20 06Z,   1.70,   2.09,  99.90,   3.69,  -0.11,
10/20 07Z,   1.70,   1.35,  99.90,   2.94,  -0.11,
10/20 08Z,   1.70,   1.02,  99.90,   2.61,  -0.11,  (min)
10/20 09Z,   1.80,   1.67,  99.90,   3.36,  -0.11,
10/20 10Z,   1.80,   3.01,  99.90,   4.70,  -0.11,
10/20 11Z,   1.80,   4.11,  99.90,   5.81,  -0.11,
10/20 12Z,   1.80,   4.90,  99.90,   6.59,  -0.11,
10/20 13Z,   1.80,   5.60,  99.90,   7.29,  -0.11,
10/20 14Z,   1.80,   5.75,  99.90,   7.44,  -0.11,  (max)
10/20 15Z,   1.90,   5.09,  99.90,   6.88,  -0.11,
10/20 16Z,   1.90,   4.00,  99.90,   5.79,  -0.11,
10/20 17Z,   1.90,   2.86,  99.90,   4.65,  -0.11,
10/20 18Z,   1.90,   1.90,  99.90,   3.69,  -0.11,