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 : 05/15/2026 22:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/14 06Z,   0.70,   5.33,   5.08,  99.90,  -0.95,
05/14 07Z,   0.60,   4.13,   4.00,  99.90,  -0.73,
05/14 08Z,   0.60,   3.03,   2.90,  99.90,  -0.73,
05/14 09Z,   0.60,   2.04,   1.85,  99.90,  -0.79,
05/14 10Z,   0.60,   1.20,   0.91,  99.90,  -0.89,
05/14 11Z,   0.50,   0.94,   0.23,  99.90,  -1.21,  (min)
05/14 12Z,   0.50,   1.90,   1.69,  99.90,  -0.71,
05/14 13Z,   0.50,   3.62,   3.62,  99.90,  -0.50,
05/14 14Z,   0.50,   5.03,   4.98,  99.90,  -0.55,
05/14 15Z,   0.50,   5.94,   6.02,  99.90,  -0.42,
05/14 16Z,   0.50,   6.45,   6.66,  99.90,  -0.29,  (max)
05/14 17Z,   0.50,   6.19,   6.22,  99.90,  -0.47,
05/14 18Z,   0.50,   5.19,   5.09,  99.90,  -0.60,
05/14 19Z,   0.50,   4.01,   3.98,  99.90,  -0.53,
05/14 20Z,   0.50,   2.93,   2.94,  99.90,  -0.49,
05/14 21Z,   0.50,   2.01,   1.82,  99.90,  -0.69,
05/14 22Z,   0.50,   1.26,   0.77,  99.90,  -0.99,
05/14 23Z,   0.50,   0.89,  -0.01,  99.90,  -1.40,  (min)
05/15 00Z,   0.40,   1.58,   1.37,  99.90,  -0.61,
05/15 01Z,   0.40,   3.39,   3.48,  99.90,  -0.31,
05/15 02Z,   0.40,   5.26,   4.96,  99.90,  -0.70,
05/15 03Z,   0.40,   6.49,   6.10,  99.90,  -0.79,
05/15 04Z,   0.40,   7.25,   6.97,  99.90,  -0.68,  (max)
05/15 05Z,   0.40,   7.34,   6.90,  99.90,  -0.84,
05/15 06Z,   0.20,   6.56,   5.88,  99.90,  -0.88,
05/15 07Z,   0.20,   5.37,   4.66,  99.90,  -0.91,
05/15 08Z,   0.20,   4.19,   3.53,  99.90,  -0.86,
05/15 09Z,   0.20,   3.08,   2.40,  99.90,  -0.88,
05/15 10Z,   0.20,   2.02,   1.31,  99.90,  -0.91,
05/15 11Z,   0.10,   1.08,   0.36,  99.90,  -0.82,
05/15 12Z,   0.10,   0.84,  -0.27,  99.90,  -1.21,  (min)
05/15 13Z,   0.10,   1.91,   1.41,  99.90,  -0.60,
05/15 14Z,   0.00,   3.66,   3.30,  99.90,  -0.36,
05/15 15Z,   0.00,   5.04,   4.69,  99.90,  -0.35,
05/15 16Z,   0.00,   5.97,   5.64,  99.90,  -0.33,
05/15 17Z,   0.00,   6.43,   6.13,  99.90,  -0.30,  (max)
05/15 18Z,   0.00,   6.03,   5.53,  99.90,  -0.50,
05/15 19Z,   0.00,   4.99,   4.40,  99.90,  -0.59,
05/15 20Z,   0.00,   3.85,   3.34,  99.90,  -0.51,
05/15 21Z,   0.00,   2.83,   2.23,  99.90,  -0.60,
05/15 22Z,   0.00,   1.94,   1.13,  99.90,  -0.81,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 23Z,   0.00,   1.19,  99.90,   0.40,  -0.78,
05/16 00Z,   0.00,   0.91,  99.90,   0.15,  -0.76,  (min)
05/16 01Z,   0.10,   1.82,  99.90,   1.19,  -0.74,
05/16 02Z,   0.10,   3.80,  99.90,   3.19,  -0.71,
05/16 03Z,   0.10,   5.67,  99.90,   5.08,  -0.69,
05/16 04Z,   0.10,   6.87,  99.90,   6.31,  -0.66,
05/16 05Z,   0.20,   7.54,  99.90,   7.11,  -0.64,  (max)
05/16 06Z,   0.20,   7.45,  99.90,   7.04,  -0.62,
05/16 07Z,   0.20,   6.54,  99.90,   6.15,  -0.59,
05/16 08Z,   0.20,   5.35,  99.90,   4.98,  -0.57,
05/16 09Z,   0.20,   4.21,  99.90,   3.87,  -0.54,
05/16 10Z,   0.20,   3.10,  99.90,   2.78,  -0.52,
05/16 11Z,   0.20,   1.97,  99.90,   1.65,  -0.52,
05/16 12Z,   0.20,   0.95,  99.90,   0.63,  -0.52,
05/16 13Z,   0.20,   0.78,  99.90,   0.46,  -0.52,  (min)
05/16 14Z,   0.20,   1.98,  99.90,   1.66,  -0.52,
05/16 15Z,   0.20,   3.73,  99.90,   3.42,  -0.52,
05/16 16Z,   0.30,   5.08,  99.90,   4.86,  -0.52,
05/16 17Z,   0.30,   5.99,  99.90,   5.77,  -0.52,
05/16 18Z,   0.30,   6.36,  99.90,   6.14,  -0.52,  (max)
05/16 19Z,   0.30,   5.85,  99.90,   5.63,  -0.52,
05/16 20Z,   0.30,   4.79,  99.90,   4.58,  -0.52,
05/16 21Z,   0.30,   3.72,  99.90,   3.50,  -0.52,
05/16 22Z,   0.30,   2.74,  99.90,   2.52,  -0.52,
05/16 23Z,   0.30,   1.87,  99.90,   1.65,  -0.52,
05/17 00Z,   0.30,   1.12,  99.90,   0.90,  -0.52,
05/17 01Z,   0.30,   0.96,  99.90,   0.74,  -0.52,  (min)
05/17 02Z,   0.30,   2.11,  99.90,   1.89,  -0.52,
05/17 03Z,   0.30,   4.20,  99.90,   3.98,  -0.52,
05/17 04Z,   0.30,   6.01,  99.90,   5.79,  -0.52,
05/17 05Z,   0.30,   7.14,  99.90,   6.92,  -0.52,
05/17 06Z,   0.30,   7.70,  99.90,   7.48,  -0.52,  (max)
05/17 07Z,   0.30,   7.44,  99.90,   7.22,  -0.52,
05/17 08Z,   0.30,   6.45,  99.90,   6.23,  -0.52,
05/17 09Z,   0.20,   5.30,  99.90,   4.98,  -0.52,
05/17 10Z,   0.20,   4.21,  99.90,   3.89,  -0.52,
05/17 11Z,   0.20,   3.09,  99.90,   2.77,  -0.52,
05/17 12Z,   0.10,   1.88,  99.90,   1.46,  -0.52,
05/17 13Z,   0.10,   0.83,  99.90,   0.41,  -0.52,
05/17 14Z,   0.00,   0.79,  99.90,   0.27,  -0.52,  (min)
05/17 15Z,   0.00,   2.11,  99.90,   1.59,  -0.52,
05/17 16Z,   0.00,   3.84,  99.90,   3.32,  -0.52,
05/17 17Z,   0.00,   5.12,  99.90,   4.60,  -0.52,
05/17 18Z,   0.00,   5.99,  99.90,   5.47,  -0.52,
05/17 19Z,  -0.10,   6.26,  99.90,   5.64,  -0.52,  (max)
05/17 20Z,  -0.10,   5.66,  99.90,   5.04,  -0.52,
05/17 21Z,  -0.10,   4.63,  99.90,   4.01,  -0.52,
05/17 22Z,  -0.10,   3.62,  99.90,   3.00,  -0.52,
05/17 23Z,  -0.10,   2.68,  99.90,   2.06,  -0.52,
05/18 00Z,  -0.10,   1.80,  99.90,   1.18,  -0.52,
05/18 01Z,  -0.10,   1.06,  99.90,   0.44,  -0.52,
05/18 02Z,  -0.10,   1.04,  99.90,   0.42,  -0.52,  (min)
05/18 03Z,  -0.10,   2.40,  99.90,   1.78,  -0.52,
05/18 04Z,  -0.10,   4.53,  99.90,   3.91,  -0.52,
05/18 05Z,  -0.10,   6.23,  99.90,   5.61,  -0.52,
05/18 06Z,  -0.10,   7.26,  99.90,   6.64,  -0.52,
05/18 07Z,  -0.10,   7.71,  99.90,   7.09,  -0.52,  (max)
05/18 08Z,  -0.10,   7.32,  99.90,   6.70,  -0.52,
05/18 09Z,  -0.10,   6.32,  99.90,   5.70,  -0.52,
05/18 10Z,  -0.10,   5.24,  99.90,   4.62,  -0.52,
05/18 11Z,  -0.10,   4.19,  99.90,   3.57,  -0.52,
05/18 12Z,  -0.10,   3.05,  99.90,   2.43,  -0.52,
05/18 13Z,  -0.10,   1.78,  99.90,   1.16,  -0.52,
05/18 14Z,  -0.10,   0.74,  99.90,   0.12,  -0.52,  (min)
05/18 15Z,  -0.10,   0.85,  99.90,   0.23,  -0.52,
05/18 16Z,  -0.10,   2.27,  99.90,   1.65,  -0.52,
05/18 17Z,  -0.10,   3.93,  99.90,   3.31,  -0.52,
05/18 18Z,  -0.10,   5.14,  99.90,   4.52,  -0.52,
05/18 19Z,  -0.10,   5.97,  99.90,   5.35,  -0.52,
05/18 20Z,  -0.10,   6.15,  99.90,   5.53,  -0.52,  (max)
05/18 21Z,  -0.10,   5.51,  99.90,   4.89,  -0.52,
05/18 22Z,  -0.10,   4.53,  99.90,   3.91,  -0.52,
05/18 23Z,  -0.10,   3.57,  99.90,   2.95,  -0.52,
05/19 00Z,  -0.10,   2.64,  99.90,   2.03,  -0.52,
05/19 01Z,   0.00,   1.75,  99.90,   1.23,  -0.52,
05/19 02Z,   0.00,   1.02,  99.90,   0.50,  -0.52,  (min)
05/19 03Z,   0.00,   1.14,  99.90,   0.62,  -0.52,
05/19 04Z,   0.00,   2.65,  99.90,   2.13,  -0.52,
05/19 05Z,   0.00,   4.74,  99.90,   4.22,  -0.52,
05/19 06Z,   0.00,   6.30,  99.90,   5.78,  -0.52,
05/19 07Z,   0.00,   7.24,  99.90,   6.72,  -0.52,
05/19 08Z,   0.00,   7.59,  99.90,   7.07,  -0.52,  (max)
05/19 09Z,   0.00,   7.14,  99.90,   6.62,  -0.52,
05/19 10Z,   0.00,   6.17,  99.90,   5.66,  -0.52,
05/19 11Z,   0.00,   5.17,  99.90,   4.65,  -0.52,
05/19 12Z,   0.00,   4.14,  99.90,   3.62,  -0.52,
05/19 13Z,  99.90,   2.97,  99.90,  99.90,  -0.52,
05/19 14Z,  99.90,   1.65,  99.90,  99.90,  -0.52,
05/19 15Z,  99.90,   0.67,  99.90,  99.90,  -0.52,
05/19 16Z,  99.90,   0.95,  99.90,  99.90,  -0.52,
05/19 17Z,  99.90,   2.43,  99.90,  99.90,  -0.52,
05/19 18Z,  99.90,   3.99,  99.90,  99.90,  -0.52,