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 : 06/18/2026 07:22:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/16 12Z,   0.70,   2.80,   2.35,  99.90,  -1.15,
06/16 13Z,   0.70,   1.39,   1.25,  99.90,  -0.84,
06/16 14Z,   0.70,   0.53,   0.33,  99.90,  -0.90,  (min)
06/16 15Z,   0.70,   1.06,   0.81,  99.90,  -0.95,
06/16 16Z,   0.70,   2.59,   3.33,  99.90,   0.04,
06/16 17Z,   0.70,   4.06,   4.88,  99.90,   0.12,
06/16 18Z,   0.70,   5.21,   6.07,  99.90,   0.16,
06/16 19Z,   0.70,   5.97,   6.77,  99.90,   0.10,  (max)
06/16 20Z,   0.70,   5.92,   6.73,  99.90,   0.11,
06/16 21Z,   0.70,   5.16,   5.61,  99.90,  -0.25,
06/16 22Z,   0.80,   4.24,   4.39,  99.90,  -0.65,
06/16 23Z,   0.80,   3.32,   3.29,  99.90,  -0.83,
06/17 00Z,   0.70,   2.38,   2.20,  99.90,  -0.88,
06/17 01Z,   0.70,   1.40,   1.13,  99.90,  -0.97,
06/17 02Z,   0.70,   0.76,   0.30,  99.90,  -1.16,  (min)
06/17 03Z,   0.70,   1.31,   1.91,  99.90,  -0.10,
06/17 04Z,   0.70,   3.10,   4.19,  99.90,   0.39,
06/17 05Z,   0.70,   5.01,   5.79,  99.90,   0.08,
06/17 06Z,   0.70,   6.37,   7.05,  99.90,  -0.02,
06/17 07Z,   0.70,   7.26,   8.02,  99.90,   0.06,
06/17 08Z,   0.70,   7.46,   8.23,  99.90,   0.07,  0.06 ft above HAT  (max)
06/17 09Z,   0.70,   6.86,   7.32,  99.90,  -0.24,
06/17 10Z,   0.70,   5.94,   6.00,  99.90,  -0.64,
06/17 11Z,   0.70,   5.00,   4.79,  99.90,  -0.91,
06/17 12Z,   0.80,   3.92,   3.64,  99.90,  -1.08,
06/17 13Z,   0.80,   2.60,   2.48,  99.90,  -0.92,
06/17 14Z,   0.80,   1.16,   1.42,  99.90,  -0.54,
06/17 15Z,   0.80,   0.44,   0.57,  99.90,  -0.67,  (min)
06/17 16Z,   0.80,   1.16,   1.39,  99.90,  -0.57,
06/17 17Z,   0.80,   2.73,   3.74,  99.90,   0.21,
06/17 18Z,   0.90,   4.15,   5.25,  99.90,   0.20,
06/17 19Z,   0.90,   5.30,   6.38,  99.90,   0.18,
06/17 20Z,   0.90,   6.03,   7.12,  99.90,   0.19,
06/17 21Z,   0.90,   5.92,   7.13,  99.90,   0.31,  (max)
06/17 22Z,   0.90,   5.18,   6.12,  99.90,   0.04,
06/17 23Z,   1.00,   4.29,   4.95,  99.90,  -0.34,
06/18 00Z,   1.00,   3.36,   3.84,  99.90,  -0.52,
06/18 01Z,   1.10,   2.36,   2.76,  99.90,  -0.70,
06/18 02Z,   1.10,   1.33,   1.69,  99.90,  -0.74,
06/18 03Z,   1.10,   0.73,   0.97,  99.90,  -0.86,  (min)
06/18 04Z,   1.10,   1.42,   2.75,  99.90,   0.23,
06/18 05Z,   1.10,   3.24,   4.80,  99.90,   0.46,
06/18 06Z,   1.10,   5.01,   6.26,  99.90,   0.15,
06/18 07Z,   1.20,   6.27,   7.36,  99.90,  -0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/18 08Z,   1.20,   7.12,  99.90,   8.18,  -0.14,  0.01 ft above HAT
06/18 09Z,   1.10,   7.26,  99.90,   8.19,  -0.17,  0.02 ft above HAT  (max)
06/18 10Z,   1.10,   6.64,  99.90,   7.55,  -0.20,
06/18 11Z,   1.10,   5.77,  99.90,   6.64,  -0.23,
06/18 12Z,   1.10,   4.82,  99.90,   5.66,  -0.25,
06/18 13Z,   1.10,   3.69,  99.90,   4.51,  -0.28,
06/18 14Z,   1.10,   2.31,  99.90,   3.10,  -0.31,
06/18 15Z,   1.10,   0.91,  99.90,   1.67,  -0.34,
06/18 16Z,   1.10,   0.39,  99.90,   1.12,  -0.37,  (min)
06/18 17Z,   1.10,   1.31,  99.90,   2.01,  -0.40,
06/18 18Z,   1.10,   2.88,  99.90,   3.55,  -0.42,
06/18 19Z,   1.10,   4.25,  99.90,   4.90,  -0.45,
06/18 20Z,   1.10,   5.41,  99.90,   6.06,  -0.45,
06/18 21Z,   1.10,   6.11,  99.90,   6.76,  -0.45,  (max)
06/18 22Z,   1.10,   5.97,  99.90,   6.61,  -0.45,
06/18 23Z,   1.00,   5.24,  99.90,   5.79,  -0.45,
06/19 00Z,   1.00,   4.36,  99.90,   4.91,  -0.45,
06/19 01Z,   1.00,   3.39,  99.90,   3.94,  -0.45,
06/19 02Z,   1.00,   2.33,  99.90,   2.88,  -0.45,
06/19 03Z,   0.90,   1.25,  99.90,   1.70,  -0.45,
06/19 04Z,   0.90,   0.73,  99.90,   1.18,  -0.45,  (min)
06/19 05Z,   0.90,   1.55,  99.90,   2.00,  -0.45,
06/19 06Z,   0.90,   3.33,  99.90,   3.78,  -0.45,
06/19 07Z,   0.90,   4.95,  99.90,   5.39,  -0.45,
06/19 08Z,   0.90,   6.12,  99.90,   6.57,  -0.45,
06/19 09Z,   0.80,   6.94,  99.90,   7.29,  -0.45,
06/19 10Z,   0.80,   7.03,  99.90,   7.37,  -0.45,  (max)
06/19 11Z,   0.80,   6.40,  99.90,   6.75,  -0.45,
06/19 12Z,   0.80,   5.53,  99.90,   5.88,  -0.45,
06/19 13Z,   0.70,   4.55,  99.90,   4.80,  -0.45,
06/19 14Z,   0.70,   3.37,  99.90,   3.62,  -0.45,
06/19 15Z,   0.70,   1.97,  99.90,   2.22,  -0.45,
06/19 16Z,   0.70,   0.67,  99.90,   0.92,  -0.45,
06/19 17Z,   0.70,   0.39,  99.90,   0.64,  -0.45,  (min)
06/19 18Z,   0.70,   1.48,  99.90,   1.73,  -0.45,
06/19 19Z,   0.70,   3.04,  99.90,   3.29,  -0.45,
06/19 20Z,   0.70,   4.38,  99.90,   4.63,  -0.45,
06/19 21Z,   0.70,   5.55,  99.90,   5.80,  -0.45,
06/19 22Z,   0.70,   6.23,  99.90,   6.48,  -0.45,  (max)
06/19 23Z,   0.70,   6.05,  99.90,   6.30,  -0.45,
06/20 00Z,   0.70,   5.32,  99.90,   5.57,  -0.45,
06/20 01Z,   0.70,   4.42,  99.90,   4.67,  -0.45,
06/20 02Z,   0.70,   3.40,  99.90,   3.65,  -0.45,
06/20 03Z,   0.70,   2.29,  99.90,   2.53,  -0.45,
06/20 04Z,   0.70,   1.19,  99.90,   1.44,  -0.45,
06/20 05Z,   0.70,   0.76,  99.90,   1.01,  -0.45,  (min)
06/20 06Z,   0.70,   1.68,  99.90,   1.93,  -0.45,
06/20 07Z,   0.70,   3.36,  99.90,   3.61,  -0.45,
06/20 08Z,   0.70,   4.82,  99.90,   5.06,  -0.45,
06/20 09Z,   0.70,   5.94,  99.90,   6.19,  -0.45,
06/20 10Z,   0.60,   6.74,  99.90,   6.89,  -0.45,
06/20 11Z,   0.60,   6.78,  99.90,   6.92,  -0.45,  (max)
06/20 12Z,   0.60,   6.13,  99.90,   6.28,  -0.45,
06/20 13Z,   0.60,   5.24,  99.90,   5.39,  -0.45,
06/20 14Z,   0.60,   4.22,  99.90,   4.36,  -0.45,
06/20 15Z,   0.60,   3.01,  99.90,   3.16,  -0.45,
06/20 16Z,   0.60,   1.63,  99.90,   1.78,  -0.45,
06/20 17Z,   0.60,   0.48,  99.90,   0.63,  -0.45,
06/20 18Z,   0.60,   0.46,  99.90,   0.61,  -0.45,  (min)
06/20 19Z,   0.60,   1.69,  99.90,   1.84,  -0.45,
06/20 20Z,   0.60,   3.21,  99.90,   3.36,  -0.45,
06/20 21Z,   0.60,   4.53,  99.90,   4.68,  -0.45,
06/20 22Z,   0.60,   5.74,  99.90,   5.88,  -0.45,
06/20 23Z,   0.60,   6.38,  99.90,   6.53,  -0.45,  (max)
06/21 00Z,   0.50,   6.15,  99.90,   6.20,  -0.45,
06/21 01Z,   0.50,   5.41,  99.90,   5.46,  -0.45,
06/21 02Z,   0.50,   4.47,  99.90,   4.52,  -0.45,
06/21 03Z,   0.50,   3.40,  99.90,   3.45,  -0.45,
06/21 04Z,   0.50,   2.24,  99.90,   2.29,  -0.45,
06/21 05Z,   0.50,   1.15,  99.90,   1.19,  -0.45,
06/21 06Z,   0.50,   0.81,  99.90,   0.86,  -0.45,  (min)
06/21 07Z,   0.50,   1.78,  99.90,   1.83,  -0.45,
06/21 08Z,   0.50,   3.33,  99.90,   3.38,  -0.45,
06/21 09Z,   0.50,   4.64,  99.90,   4.69,  -0.45,
06/21 10Z,   0.50,   5.75,  99.90,   5.80,  -0.45,
06/21 11Z,   0.50,   6.53,  99.90,   6.58,  -0.45,  (max)
06/21 12Z,   0.50,   6.52,  99.90,   6.57,  -0.45,
06/21 13Z,   0.50,   5.85,  99.90,   5.90,  -0.45,
06/21 14Z,   0.50,   4.93,  99.90,   4.97,  -0.45,
06/21 15Z,   0.50,   3.86,  99.90,   3.90,  -0.45,
06/21 16Z,   0.50,   2.65,  99.90,   2.69,  -0.45,
06/21 17Z,   0.50,   1.33,  99.90,   1.38,  -0.45,
06/21 18Z,   0.60,   0.37,  99.90,   0.51,  -0.45,  (min)
06/21 19Z,   0.60,   0.60,  99.90,   0.75,  -0.45,
06/21 20Z,   0.60,   1.93,  99.90,   2.08,  -0.45,
06/21 21Z,   0.60,   3.39,  99.90,   3.54,  -0.45,
06/21 22Z,   0.60,   4.72,  99.90,   4.87,  -0.45,
06/21 23Z,   0.60,   5.95,  99.90,   6.10,  -0.45,
06/22 00Z,   0.60,   6.55,  99.90,   6.70,  -0.45,