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 : 05/20/2026 16:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 00Z,   0.10,   2.64,   2.09,  99.90,  -0.65,
05/19 01Z,   0.10,   1.75,   1.02,  99.90,  -0.83,
05/19 02Z,   0.10,   1.02,   0.01,  99.90,  -1.11,  (min)
05/19 03Z,   0.10,   1.14,   0.62,  99.90,  -0.62,
05/19 04Z,   0.10,   2.65,   3.09,  99.90,   0.34,
05/19 05Z,   0.10,   4.74,   4.77,  99.90,  -0.07,
05/19 06Z,   0.20,   6.30,   6.17,  99.90,  -0.33,
05/19 07Z,   0.20,   7.24,   7.18,  99.90,  -0.26,
05/19 08Z,   0.20,   7.59,   7.72,  99.90,  -0.07,  (max)
05/19 09Z,   0.20,   7.14,   7.10,  99.90,  -0.24,
05/19 10Z,   0.20,   6.17,   5.81,  99.90,  -0.56,
05/19 11Z,   0.10,   5.17,   4.59,  99.90,  -0.68,
05/19 12Z,   0.20,   4.14,   3.48,  99.90,  -0.86,
05/19 13Z,   0.20,   2.97,   2.32,  99.90,  -0.85,
05/19 14Z,   0.20,   1.65,   1.25,  99.90,  -0.60,
05/19 15Z,   0.10,   0.67,   0.34,  99.90,  -0.43,
05/19 16Z,   0.10,   0.95,   0.05,  99.90,  -1.00,  (min)
05/19 17Z,   0.10,   2.43,   2.46,  99.90,  -0.07,
05/19 18Z,   0.20,   3.99,   4.08,  99.90,  -0.11,
05/19 19Z,   0.20,   5.14,   5.32,  99.90,  -0.02,
05/19 20Z,   0.10,   5.94,   6.07,  99.90,   0.03,
05/19 21Z,   0.10,   6.06,   6.30,  99.90,   0.14,  (max)
05/19 22Z,   0.10,   5.42,   5.37,  99.90,  -0.15,
05/19 23Z,   0.10,   4.50,   4.17,  99.90,  -0.43,
05/20 00Z,   0.10,   3.57,   3.11,  99.90,  -0.56,
05/20 01Z,   0.10,   2.63,   1.97,  99.90,  -0.76,
05/20 02Z,   0.10,   1.70,   0.88,  99.90,  -0.92,
05/20 03Z,   0.10,   0.98,  -0.05,  99.90,  -1.13,  (min)
05/20 04Z,   0.10,   1.24,   0.27,  99.90,  -1.07,
05/20 05Z,   0.10,   2.84,   2.65,  99.90,  -0.29,
05/20 06Z,   0.10,   4.82,   4.29,  99.90,  -0.63,
05/20 07Z,   0.00,   6.23,   5.70,  99.90,  -0.53,
05/20 08Z,   0.00,   7.10,   6.72,  99.90,  -0.38,
05/20 09Z,   0.00,   7.41,   7.27,  99.90,  -0.14,  (max)
05/20 10Z,   0.00,   6.93,   6.60,  99.90,  -0.33,
05/20 11Z,   0.00,   6.03,   5.32,  99.90,  -0.71,
05/20 12Z,   0.00,   5.09,   4.19,  99.90,  -0.90,
05/20 13Z,   0.00,   4.06,   3.08,  99.90,  -0.98,
05/20 14Z,   0.00,   2.86,   1.94,  99.90,  -0.92,
05/20 15Z,   0.00,   1.51,   0.87,  99.90,  -0.64,
05/20 16Z,   0.00,   0.62,  -0.02,  99.90,  -0.64,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 17Z,   0.00,   1.06,  99.90,   0.43,  -0.63,
05/20 18Z,   0.00,   2.55,  99.90,   1.94,  -0.62,
05/20 19Z,  -0.10,   4.01,  99.90,   3.31,  -0.60,
05/20 20Z,  -0.10,   5.12,  99.90,   4.43,  -0.59,
05/20 21Z,  -0.10,   5.93,  99.90,   5.25,  -0.58,
05/20 22Z,  -0.10,   6.04,  99.90,   5.37,  -0.57,  (max)
05/20 23Z,  -0.10,   5.41,  99.90,   4.76,  -0.56,
05/21 00Z,  -0.10,   4.54,  99.90,   3.89,  -0.55,
05/21 01Z,  -0.10,   3.62,  99.90,   2.98,  -0.53,
05/21 02Z,  -0.10,   2.65,  99.90,   2.03,  -0.52,
05/21 03Z,   0.00,   1.67,  99.90,   1.16,  -0.51,
05/21 04Z,   0.00,   0.96,  99.90,   0.47,  -0.50,  (min)
05/21 05Z,   0.00,   1.33,  99.90,   0.83,  -0.50,
05/21 06Z,   0.00,   2.96,  99.90,   2.46,  -0.50,
05/21 07Z,   0.00,   4.78,  99.90,   4.28,  -0.50,
05/21 08Z,  -0.10,   6.04,  99.90,   5.44,  -0.50,
05/21 09Z,  -0.10,   6.89,  99.90,   6.29,  -0.50,
05/21 10Z,  -0.10,   7.19,  99.90,   6.59,  -0.50,  (max)
05/21 11Z,  -0.10,   6.73,  99.90,   6.13,  -0.50,
05/21 12Z,  -0.10,   5.89,  99.90,   5.29,  -0.50,
05/21 13Z,  -0.10,   4.98,  99.90,   4.38,  -0.50,
05/21 14Z,  -0.10,   3.95,  99.90,   3.35,  -0.50,
05/21 15Z,  -0.10,   2.70,  99.90,   2.10,  -0.50,
05/21 16Z,  -0.10,   1.35,  99.90,   0.75,  -0.50,
05/21 17Z,   0.00,   0.58,  99.90,   0.08,  -0.50,  (min)
05/21 18Z,   0.00,   1.17,  99.90,   0.67,  -0.50,
05/21 19Z,   0.00,   2.64,  99.90,   2.15,  -0.50,
05/21 20Z,   0.00,   4.01,  99.90,   3.51,  -0.50,
05/21 21Z,   0.00,   5.13,  99.90,   4.63,  -0.50,
05/21 22Z,   0.00,   5.97,  99.90,   5.48,  -0.50,
05/21 23Z,   0.00,   6.08,  99.90,   5.58,  -0.50,  (max)
05/22 00Z,   0.10,   5.49,  99.90,   5.09,  -0.50,
05/22 01Z,   0.10,   4.64,  99.90,   4.24,  -0.50,
05/22 02Z,   0.10,   3.70,  99.90,   3.30,  -0.50,
05/22 03Z,   0.20,   2.69,  99.90,   2.39,  -0.50,
05/22 04Z,   0.20,   1.66,  99.90,   1.36,  -0.50,
05/22 05Z,   0.30,   0.96,  99.90,   0.76,  -0.50,  (min)
05/22 06Z,   0.30,   1.41,  99.90,   1.21,  -0.50,
05/22 07Z,   0.40,   2.99,  99.90,   2.89,  -0.50,
05/22 08Z,   0.40,   4.62,  99.90,   4.52,  -0.50,
05/22 09Z,   0.40,   5.78,  99.90,   5.68,  -0.50,
05/22 10Z,   0.40,   6.65,  99.90,   6.55,  -0.50,
05/22 11Z,   0.40,   6.97,  99.90,   6.87,  -0.50,  (max)
05/22 12Z,   0.40,   6.54,  99.90,   6.44,  -0.50,
05/22 13Z,   0.40,   5.75,  99.90,   5.65,  -0.50,
05/22 14Z,   0.50,   4.85,  99.90,   4.85,  -0.50,
05/22 15Z,   0.50,   3.79,  99.90,   3.79,  -0.50,
05/22 16Z,   0.50,   2.51,  99.90,   2.51,  -0.50,
05/22 17Z,   0.50,   1.18,  99.90,   1.18,  -0.50,
05/22 18Z,   0.50,   0.55,  99.90,   0.55,  -0.50,  (min)
05/22 19Z,   0.50,   1.26,  99.90,   1.26,  -0.50,
05/22 20Z,   0.50,   2.70,  99.90,   2.70,  -0.50,
05/22 21Z,   0.50,   4.01,  99.90,   4.01,  -0.50,
05/22 22Z,   0.60,   5.19,  99.90,   5.29,  -0.50,
05/22 23Z,   0.60,   6.09,  99.90,   6.19,  -0.50,
05/23 00Z,   0.60,   6.20,  99.90,   6.30,  -0.50,  (max)
05/23 01Z,   0.70,   5.62,  99.90,   5.82,  -0.50,
05/23 02Z,   0.70,   4.78,  99.90,   4.98,  -0.50,
05/23 03Z,   0.70,   3.81,  99.90,   4.02,  -0.50,
05/23 04Z,   0.70,   2.76,  99.90,   2.96,  -0.50,
05/23 05Z,   0.70,   1.66,  99.90,   1.86,  -0.50,
05/23 06Z,   0.70,   0.97,  99.90,   1.17,  -0.50,  (min)
05/23 07Z,   0.70,   1.45,  99.90,   1.65,  -0.50,
05/23 08Z,   0.70,   2.93,  99.90,   3.13,  -0.50,
05/23 09Z,   0.70,   4.39,  99.90,   4.59,  -0.50,
05/23 10Z,   0.70,   5.51,  99.90,   5.71,  -0.50,
05/23 11Z,   0.70,   6.44,  99.90,   6.64,  -0.50,
05/23 12Z,   0.70,   6.79,  99.90,   6.99,  -0.50,  (max)
05/23 13Z,   0.70,   6.37,  99.90,   6.58,  -0.50,
05/23 14Z,   0.70,   5.60,  99.90,   5.80,  -0.50,
05/23 15Z,   0.70,   4.69,  99.90,   4.89,  -0.50,
05/23 16Z,   0.70,   3.59,  99.90,   3.80,  -0.50,
05/23 17Z,   0.70,   2.30,  99.90,   2.50,  -0.50,
05/23 18Z,   0.70,   1.01,  99.90,   1.21,  -0.50,
05/23 19Z,   0.70,   0.53,  99.90,   0.73,  -0.50,  (min)
05/23 20Z,   0.70,   1.35,  99.90,   1.55,  -0.50,
05/23 21Z,   0.70,   2.75,  99.90,   2.95,  -0.50,
05/23 22Z,   0.70,   4.05,  99.90,   4.25,  -0.50,
05/23 23Z,   0.80,   5.32,  99.90,   5.62,  -0.50,
05/24 00Z,   0.80,   6.27,  99.90,   6.58,  -0.50,
05/24 01Z,   0.90,   6.37,  99.90,   6.78,  -0.50,  (max)
05/24 02Z,   0.90,   5.80,  99.90,   6.20,  -0.50,
05/24 03Z,   0.90,   4.94,  99.90,   5.34,  -0.50,
05/24 04Z,   0.90,   3.93,  99.90,   4.33,  -0.50,
05/24 05Z,   0.90,   2.82,  99.90,   3.22,  -0.50,
05/24 06Z,   0.90,   1.65,  99.90,   2.06,  -0.50,
05/24 07Z,  99.90,   0.95,  99.90,  99.90,  -0.50,
05/24 08Z,  99.90,   1.45,  99.90,  99.90,  -0.50,
05/24 09Z,  99.90,   2.82,  99.90,  99.90,  -0.50,
05/24 10Z,  99.90,   4.13,  99.90,  99.90,  -0.50,
05/24 11Z,  99.90,   5.28,  99.90,  99.90,  -0.50,
05/24 12Z,  99.90,   6.28,  99.90,  99.90,  -0.50,