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 : 12/17/2025 13:22:43 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 18Z,  -0.60,  -2.90,  -2.95,  99.90,   0.55,
12/15 19Z,  -0.60,  -3.96,  -3.97,  99.90,   0.59,
12/15 20Z,  -0.60,  -5.13,  -4.94,  99.90,   0.79,
12/15 21Z,  -0.50,  -6.26,  -5.90,  99.90,   0.86,
12/15 22Z,  -0.50,  -6.67,  -6.65,  99.90,   0.52,  (min)
12/15 23Z,  -0.40,  -5.98,  -6.17,  99.90,   0.21,
12/16 00Z,  -0.20,  -4.85,  -4.61,  99.90,   0.44,
12/16 01Z,  -0.20,  -3.72,  -3.31,  99.90,   0.61,
12/16 02Z,  -0.20,  -2.46,  -2.26,  99.90,   0.40,
12/16 03Z,  -0.10,  -1.50,  -1.48,  99.90,   0.12,
12/16 04Z,  -0.10,  -1.46,  -1.27,  99.90,   0.29,  (max)
12/16 05Z,  -0.10,  -2.15,  -2.01,  99.90,   0.24,
12/16 06Z,   0.00,  -3.11,  -3.00,  99.90,   0.11,
12/16 07Z,   0.00,  -4.14,  -4.00,  99.90,   0.14,
12/16 08Z,   0.10,  -5.18,  -5.02,  99.90,   0.06,
12/16 09Z,   0.10,  -6.21,  -5.99,  99.90,   0.12,
12/16 10Z,   0.10,  -6.78,  -6.72,  99.90,  -0.04,  (min)
12/16 11Z,   0.10,  -6.23,  -5.93,  99.90,   0.20,
12/16 12Z,   0.30,  -4.92,  -4.18,  99.90,   0.44,
12/16 13Z,   0.30,  -3.61,  -2.71,  99.90,   0.60,
12/16 14Z,   0.30,  -2.31,  -1.48,  99.90,   0.53,
12/16 15Z,   0.30,  -1.10,  -0.50,  99.90,   0.30,
12/16 16Z,   0.30,  -0.66,  -0.14,  99.90,   0.22,  (max)
12/16 17Z,   0.30,  -1.11,  -0.74,  99.90,   0.07,
12/16 18Z,   0.30,  -1.99,  -1.84,  99.90,  -0.15,
12/16 19Z,   0.30,  -3.02,  -2.94,  99.90,  -0.22,
12/16 20Z,   0.30,  -4.12,  -3.98,  99.90,  -0.16,
12/16 21Z,   0.30,  -5.34,  -5.06,  99.90,  -0.02,
12/16 22Z,   0.30,  -6.45,  -6.11,  99.90,   0.04,
12/16 23Z,   0.30,  -6.71,  -6.86,  99.90,  -0.45,  (min)
12/17 00Z,   0.30,  -5.89,  -6.23,  99.90,  -0.64,
12/17 01Z,   0.30,  -4.74,  -4.44,  99.90,   0.00,
12/17 02Z,   0.30,  -3.57,  -3.13,  99.90,   0.14,
12/17 03Z,   0.30,  -2.29,  -2.06,  99.90,  -0.07,
12/17 04Z,   0.30,  -1.47,  -1.27,  99.90,  -0.10,
12/17 05Z,   0.30,  -1.60,  -1.08,  99.90,   0.22,  (max)
12/17 06Z,   0.20,  -2.38,  -1.86,  99.90,   0.32,
12/17 07Z,   0.20,  -3.38,  -2.95,  99.90,   0.23,
12/17 08Z,   0.20,  -4.42,  -3.96,  99.90,   0.26,
12/17 09Z,   0.20,  -5.44,  -4.97,  99.90,   0.27,
12/17 10Z,   0.20,  -6.39,  -5.94,  99.90,   0.25,
12/17 11Z,   0.20,  -6.73,  -6.50,  99.90,   0.03,  (min)
12/17 12Z,   0.20,  -5.91,  -5.17,  99.90,   0.54,
12/17 13Z,   0.20,  -4.48,  -3.49,  99.90,   0.79,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/17 14Z,   0.20,  -3.16,  99.90,  -2.24,   0.72,
12/17 15Z,   0.20,  -1.88,  99.90,  -1.02,   0.65,
12/17 16Z,   0.20,  -0.83,  99.90,  -0.04,   0.59,
12/17 17Z,   0.20,  -0.63,  99.90,   0.09,   0.52,  (max)
12/17 18Z,   0.20,  -1.23,  99.90,  -0.58,   0.45,
12/17 19Z,   0.20,  -2.17,  99.90,  -1.59,   0.38,
12/17 20Z,   0.10,  -3.23,  99.90,  -2.81,   0.31,
12/17 21Z,   0.10,  -4.35,  99.90,  -4.01,   0.24,
12/17 22Z,   0.10,  -5.59,  99.90,  -5.32,   0.17,
12/17 23Z,   0.00,  -6.63,  99.90,  -6.52,   0.11,
12/18 00Z,   0.00,  -6.66,  99.90,  -6.62,   0.04,  (min)
12/18 01Z,   0.00,  -5.68,  99.90,  -5.72,  -0.03,
12/18 02Z,   0.00,  -4.50,  99.90,  -4.53,  -0.03,
12/18 03Z,   0.00,  -3.31,  99.90,  -3.34,  -0.03,
12/18 04Z,  -0.10,  -2.09,  99.90,  -2.23,  -0.03,
12/18 05Z,  -0.10,  -1.47,  99.90,  -1.61,  -0.03,  (max)
12/18 06Z,  -0.10,  -1.80,  99.90,  -1.93,  -0.03,
12/18 07Z,  -0.20,  -2.67,  99.90,  -2.90,  -0.03,
12/18 08Z,  -0.20,  -3.71,  99.90,  -3.94,  -0.03,
12/18 09Z,  -0.20,  -4.73,  99.90,  -4.97,  -0.03,
12/18 10Z,  -0.30,  -5.72,  99.90,  -6.05,  -0.03,
12/18 11Z,  -0.30,  -6.55,  99.90,  -6.88,  -0.03,
12/18 12Z,  -0.30,  -6.59,  99.90,  -6.93,  -0.03,  (min)
12/18 13Z,  -0.30,  -5.48,  99.90,  -5.81,  -0.03,
12/18 14Z,  -0.30,  -3.96,  99.90,  -4.29,  -0.03,
12/18 15Z,  -0.20,  -2.65,  99.90,  -2.89,  -0.03,
12/18 16Z,  -0.20,  -1.46,  99.90,  -1.69,  -0.03,
12/18 17Z,  -0.20,  -0.64,  99.90,  -0.87,  -0.03,  (max)
12/18 18Z,  -0.20,  -0.71,  99.90,  -0.94,  -0.03,
12/18 19Z,  -0.20,  -1.46,  99.90,  -1.70,  -0.03,
12/18 20Z,  -0.20,  -2.45,  99.90,  -2.68,  -0.03,
12/18 21Z,  -0.20,  -3.51,  99.90,  -3.75,  -0.03,
12/18 22Z,  -0.20,  -4.65,  99.90,  -4.88,  -0.03,
12/18 23Z,  -0.20,  -5.87,  99.90,  -6.11,  -0.03,
12/19 00Z,  -0.10,  -6.74,  99.90,  -6.87,  -0.03,  (min)
12/19 01Z,  -0.10,  -6.49,  99.90,  -6.62,  -0.03,
12/19 02Z,  -0.10,  -5.34,  99.90,  -5.47,  -0.03,
12/19 03Z,  -0.10,  -4.14,  99.90,  -4.27,  -0.03,
12/19 04Z,   0.00,  -2.98,  99.90,  -3.01,  -0.03,
12/19 05Z,   0.00,  -1.91,  99.90,  -1.95,  -0.03,
12/19 06Z,   0.00,  -1.56,  99.90,  -1.59,  -0.03,  (max)
12/19 07Z,   0.00,  -2.08,  99.90,  -2.12,  -0.03,
12/19 08Z,   0.00,  -3.03,  99.90,  -3.07,  -0.03,
12/19 09Z,   0.00,  -4.08,  99.90,  -4.11,  -0.03,
12/19 10Z,   0.10,  -5.08,  99.90,  -5.01,  -0.03,
12/19 11Z,   0.20,  -6.00,  99.90,  -5.83,  -0.03,
12/19 12Z,   0.30,  -6.65,  99.90,  -6.38,  -0.03,  (min)
12/19 13Z,   0.50,  -6.35,  99.90,  -5.88,  -0.03,
12/19 14Z,   0.50,  -4.95,  99.90,  -4.48,  -0.03,
12/19 15Z,   0.60,  -3.37,  99.90,  -2.80,  -0.03,
12/19 16Z,   0.60,  -2.14,  99.90,  -1.57,  -0.03,
12/19 17Z,   0.60,  -1.11,  99.90,  -0.54,  -0.03,
12/19 18Z,   0.60,  -0.58,  99.90,  -0.01,  -0.03,  (max)
12/19 19Z,   0.50,  -0.92,  99.90,  -0.45,  -0.03,
12/19 20Z,   0.40,  -1.79,  99.90,  -1.42,  -0.03,
12/19 21Z,   0.30,  -2.80,  99.90,  -2.54,  -0.03,
12/19 22Z,   0.20,  -3.87,  99.90,  -3.70,  -0.03,
12/19 23Z,   0.10,  -4.99,  99.90,  -4.93,  -0.03,
12/20 00Z,   0.00,  -6.15,  99.90,  -6.18,  -0.03,
12/20 01Z,   0.00,  -6.76,  99.90,  -6.79,  -0.03,  (min)
12/20 02Z,  -0.10,  -6.18,  99.90,  -6.31,  -0.03,
12/20 03Z,  -0.20,  -4.88,  99.90,  -5.11,  -0.03,
12/20 04Z,  -0.20,  -3.70,  99.90,  -3.93,  -0.03,
12/20 05Z,  -0.30,  -2.64,  99.90,  -2.98,  -0.03,
12/20 06Z,  -0.40,  -1.80,  99.90,  -2.23,  -0.03,  (max)
12/20 07Z,  -0.50,  -1.73,  99.90,  -2.27,  -0.03,
12/20 08Z,  -0.50,  -2.44,  99.90,  -2.97,  -0.03,
12/20 09Z,  -0.60,  -3.45,  99.90,  -4.08,  -0.03,
12/20 10Z,  -0.70,  -4.49,  99.90,  -5.23,  -0.03,
12/20 11Z,  -0.80,  -5.45,  99.90,  -6.28,  -0.03,
12/20 12Z,  -0.80,  -6.27,  99.90,  -7.11,  -0.03,
12/20 13Z,  -0.80,  -6.68,  99.90,  -7.51,  -0.03,  (min)
12/20 14Z,  -0.80,  -5.99,  99.90,  -6.82,  -0.03,
12/20 15Z,  -0.80,  -4.34,  99.90,  -5.17,  -0.03,
12/20 16Z,  -0.90,  -2.76,  99.90,  -3.70,  -0.03,
12/20 17Z,  -0.90,  -1.66,  99.90,  -2.60,  -0.03,
12/20 18Z,  -0.90,  -0.85,  99.90,  -1.78,  -0.03,
12/20 19Z,  -0.90,  -0.63,  99.90,  -1.56,  -0.03,  (max)
12/20 20Z,  -0.90,  -1.22,  99.90,  -2.15,  -0.03,
12/20 21Z,  -0.90,  -2.18,  99.90,  -3.12,  -0.03,
12/20 22Z,  -0.80,  -3.22,  99.90,  -4.05,  -0.03,
12/20 23Z,  -0.80,  -4.28,  99.90,  -5.11,  -0.03,
12/21 00Z,  -0.80,  -5.37,  99.90,  -6.20,  -0.03,
12/21 01Z,  -0.70,  -6.38,  99.90,  -7.11,  -0.03,
12/21 02Z,  -0.70,  -6.67,  99.90,  -7.40,  -0.03,  (min)
12/21 03Z,  -0.70,  -5.75,  99.90,  -6.49,  -0.03,
12/21 04Z,  -0.60,  -4.36,  99.90,  -4.99,  -0.03,
12/21 05Z,  -0.60,  -3.25,  99.90,  -3.88,  -0.03,
12/21 06Z,  -0.50,  -2.34,  99.90,  -2.88,  -0.03,