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
Atlantic City, NJ
Cape May, NJ
Philadelphia, PA
Reedy Pnt, DE
Lewes, DE
Ocean City, MD
Wachapreague
Kiptopeke, VA
Cambridge, MD
Baltimore, MD
Annapolis, MD
Solomons Is, MD
Washington DC
Colonial Beach
Lewisetta, VA
Gloucester Pnt
Hampton Road
Portsmouth, VA
CBBT, VA
Duck Pier, NC
Cape Hatteras NC
Surge List
East Coast
#Philadelphia, PA : 04/15/2026 09:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 18Z,   0.70,   3.98,   4.31,  99.90,  -0.37,
04/13 19Z,   0.60,   2.91,   3.29,  99.90,  -0.22,
04/13 20Z,   0.60,   1.98,   2.26,  99.90,  -0.32,
04/13 21Z,   0.60,   1.19,   1.32,  99.90,  -0.47,
04/13 22Z,   0.60,   0.82,   0.50,  99.90,  -0.92,  (min)
04/13 23Z,   0.50,   1.51,   0.61,  99.90,  -1.40,
04/14 00Z,   0.40,   3.06,   2.34,  99.90,  -1.12,
04/14 01Z,   0.30,   4.45,   3.72,  99.90,  -1.03,
04/14 02Z,   0.30,   5.41,   4.84,  99.90,  -0.87,
04/14 03Z,   0.30,   6.14,   5.62,  99.90,  -0.82,
04/14 04Z,   0.30,   6.25,   5.87,  99.90,  -0.68,  (max)
04/14 05Z,   0.20,   5.53,   5.04,  99.90,  -0.69,
04/14 06Z,   0.10,   4.40,   3.94,  99.90,  -0.56,
04/14 07Z,   0.00,   3.25,   2.91,  99.90,  -0.34,
04/14 08Z,   0.00,   2.21,   1.87,  99.90,  -0.34,
04/14 09Z,   0.00,   1.35,   0.84,  99.90,  -0.51,
04/14 10Z,   0.00,   0.79,   0.02,  99.90,  -0.77,  (min)
04/14 11Z,   0.00,   1.10,   0.07,  99.90,  -1.03,
04/14 12Z,  -0.10,   2.55,   2.03,  99.90,  -0.42,
04/14 13Z,  -0.10,   4.23,   3.55,  99.90,  -0.58,
04/14 14Z,  -0.10,   5.38,   4.90,  99.90,  -0.38,
04/14 15Z,  -0.10,   6.17,   5.93,  99.90,  -0.14,
04/14 16Z,  -0.10,   6.51,   6.51,  99.90,   0.10,  (max)
04/14 17Z,  -0.10,   6.02,   6.05,  99.90,   0.13,
04/14 18Z,  -0.10,   4.98,   4.94,  99.90,   0.06,
04/14 19Z,  -0.10,   3.84,   3.84,  99.90,   0.10,
04/14 20Z,  -0.10,   2.77,   2.80,  99.90,   0.13,
04/14 21Z,   0.00,   1.83,   1.72,  99.90,  -0.11,
04/14 22Z,   0.00,   1.03,   0.72,  99.90,  -0.31,
04/14 23Z,   0.00,   0.79,   0.09,  99.90,  -0.70,  (min)
04/15 00Z,   0.00,   1.74,   1.60,  99.90,  -0.14,
04/15 01Z,   0.00,   3.46,   3.47,  99.90,   0.01,
04/15 02Z,   0.00,   4.90,   4.85,  99.90,  -0.05,
04/15 03Z,   0.00,   5.90,   5.93,  99.90,   0.03,
04/15 04Z,   0.00,   6.56,   6.74,  99.90,   0.18,  (max)
04/15 05Z,   0.00,   6.47,   6.52,  99.90,   0.05,
04/15 06Z,   0.00,   5.59,   5.42,  99.90,  -0.17,
04/15 07Z,   0.00,   4.42,   4.25,  99.90,  -0.17,
04/15 08Z,   0.10,   3.25,   3.19,  99.90,  -0.16,
04/15 09Z,   0.10,   2.18,   2.09,  99.90,  -0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 10Z,   0.00,   1.24,  99.90,   1.05,  -0.20,
04/15 11Z,   0.00,   0.65,  99.90,   0.45,  -0.20,  (min)
04/15 12Z,   0.00,   1.09,  99.90,   0.88,  -0.21,
04/15 13Z,   0.00,   2.67,  99.90,   2.46,  -0.21,
04/15 14Z,   0.00,   4.37,  99.90,   4.15,  -0.22,
04/15 15Z,   0.00,   5.53,  99.90,   5.31,  -0.22,
04/15 16Z,   0.00,   6.32,  99.90,   6.09,  -0.23,
04/15 17Z,   0.00,   6.53,  99.90,   6.29,  -0.23,  (max)
04/15 18Z,   0.10,   5.88,  99.90,   5.74,  -0.24,
04/15 19Z,   0.10,   4.77,  99.90,   4.62,  -0.24,
04/15 20Z,   0.10,   3.63,  99.90,   3.48,  -0.25,
04/15 21Z,   0.10,   2.58,  99.90,   2.42,  -0.25,
04/15 22Z,   0.10,   1.63,  99.90,   1.48,  -0.25,
04/15 23Z,   0.10,   0.87,  99.90,   0.72,  -0.25,  (min)
04/16 00Z,   0.20,   0.83,  99.90,   0.78,  -0.25,
04/16 01Z,   0.20,   2.08,  99.90,   2.03,  -0.25,
04/16 02Z,   0.20,   3.96,  99.90,   3.91,  -0.25,
04/16 03Z,   0.20,   5.44,  99.90,   5.39,  -0.25,
04/16 04Z,   0.20,   6.42,  99.90,   6.36,  -0.25,
04/16 05Z,   0.30,   6.93,  99.90,   6.97,  -0.25,  (max)
04/16 06Z,   0.30,   6.60,  99.90,   6.65,  -0.25,
04/16 07Z,   0.30,   5.57,  99.90,   5.62,  -0.25,
04/16 08Z,   0.30,   4.37,  99.90,   4.42,  -0.25,
04/16 09Z,   0.30,   3.20,  99.90,   3.25,  -0.25,
04/16 10Z,   0.30,   2.11,  99.90,   2.15,  -0.25,
04/16 11Z,   0.30,   1.11,  99.90,   1.15,  -0.25,
04/16 12Z,   0.30,   0.53,  99.90,   0.58,  -0.25,  (min)
04/16 13Z,   0.30,   1.14,  99.90,   1.19,  -0.25,
04/16 14Z,   0.30,   2.86,  99.90,   2.90,  -0.25,
04/16 15Z,   0.30,   4.55,  99.90,   4.60,  -0.25,
04/16 16Z,   0.30,   5.69,  99.90,   5.74,  -0.25,
04/16 17Z,   0.30,   6.41,  99.90,   6.46,  -0.25,
04/16 18Z,   0.30,   6.44,  99.90,   6.49,  -0.25,  (max)
04/16 19Z,   0.30,   5.64,  99.90,   5.69,  -0.25,
04/16 20Z,   0.30,   4.50,  99.90,   4.54,  -0.25,
04/16 21Z,   0.30,   3.38,  99.90,   3.42,  -0.25,
04/16 22Z,   0.40,   2.35,  99.90,   2.50,  -0.25,
04/16 23Z,   0.40,   1.43,  99.90,   1.58,  -0.25,
04/17 00Z,   0.40,   0.76,  99.90,   0.90,  -0.25,  (min)
04/17 01Z,   0.40,   0.99,  99.90,   1.13,  -0.25,
04/17 02Z,   0.40,   2.54,  99.90,   2.68,  -0.25,
04/17 03Z,   0.40,   4.54,  99.90,   4.68,  -0.25,
04/17 04Z,   0.40,   5.99,  99.90,   6.13,  -0.25,
04/17 05Z,   0.40,   6.88,  99.90,   7.02,  -0.25,
04/17 06Z,   0.40,   7.19,  99.90,   7.33,  -0.25,  (max)
04/17 07Z,   0.40,   6.62,  99.90,   6.76,  -0.25,
04/17 08Z,   0.40,   5.48,  99.90,   5.63,  -0.25,
04/17 09Z,   0.40,   4.28,  99.90,   4.42,  -0.25,
04/17 10Z,   0.40,   3.12,  99.90,   3.26,  -0.25,
04/17 11Z,   0.30,   2.00,  99.90,   2.05,  -0.25,
04/17 12Z,   0.30,   0.96,  99.90,   1.01,  -0.25,
04/17 13Z,   0.30,   0.46,  99.90,   0.51,  -0.25,  (min)
04/17 14Z,   0.30,   1.27,  99.90,   1.32,  -0.25,
04/17 15Z,   0.30,   3.09,  99.90,   3.14,  -0.25,
04/17 16Z,   0.30,   4.74,  99.90,   4.79,  -0.25,
04/17 17Z,   0.30,   5.82,  99.90,   5.86,  -0.25,
04/17 18Z,   0.30,   6.43,  99.90,   6.47,  -0.25,  (max)
04/17 19Z,   0.30,   6.27,  99.90,   6.32,  -0.25,
04/17 20Z,   0.30,   5.35,  99.90,   5.39,  -0.25,
04/17 21Z,   0.20,   4.20,  99.90,   4.15,  -0.25,
04/17 22Z,   0.20,   3.12,  99.90,   3.06,  -0.25,
04/17 23Z,   0.20,   2.13,  99.90,   2.08,  -0.25,
04/18 00Z,   0.20,   1.25,  99.90,   1.20,  -0.25,
04/18 01Z,   0.20,   0.71,  99.90,   0.66,  -0.25,  (min)
04/18 02Z,   0.20,   1.24,  99.90,   1.18,  -0.25,
04/18 03Z,   0.20,   3.06,  99.90,   3.00,  -0.25,
04/18 04Z,   0.20,   5.09,  99.90,   5.04,  -0.25,
04/18 05Z,   0.20,   6.45,  99.90,   6.40,  -0.25,
04/18 06Z,   0.20,   7.21,  99.90,   7.15,  -0.25,
04/18 07Z,   0.20,   7.30,  99.90,   7.24,  -0.25,  (max)
04/18 08Z,   0.20,   6.53,  99.90,   6.48,  -0.25,
04/18 09Z,   0.20,   5.34,  99.90,   5.29,  -0.25,
04/18 10Z,   0.30,   4.16,  99.90,   4.21,  -0.25,
04/18 11Z,   0.30,   3.03,  99.90,   3.07,  -0.25,
04/18 12Z,   0.30,   1.89,  99.90,   1.94,  -0.25,
04/18 13Z,   0.30,   0.84,  99.90,   0.89,  -0.25,
04/18 14Z,   0.40,   0.46,  99.90,   0.61,  -0.25,  (min)
04/18 15Z,   0.40,   1.47,  99.90,   1.61,  -0.25,
04/18 16Z,   0.50,   3.34,  99.90,   3.58,  -0.25,
04/18 17Z,   0.50,   4.89,  99.90,   5.14,  -0.25,
04/18 18Z,   0.50,   5.88,  99.90,   6.12,  -0.25,
04/18 19Z,   0.60,   6.36,  99.90,   6.70,  -0.25,  (max)
04/18 20Z,   0.60,   6.03,  99.90,   6.38,  -0.25,
04/18 21Z,   0.70,   5.04,  99.90,   5.49,  -0.25,
04/18 22Z,   0.70,   3.92,  99.90,   4.37,  -0.25,
04/18 23Z,   0.80,   2.89,  99.90,   3.43,  -0.25,
04/19 00Z,   0.80,   1.94,  99.90,   2.49,  -0.25,
04/19 01Z,  99.90,   1.12,  99.90,  99.90,  -0.25,
04/19 02Z,  99.90,   0.74,  99.90,  99.90,  -0.25,
04/19 03Z,  99.90,   1.55,  99.90,  99.90,  -0.25,
04/19 04Z,  99.90,   3.56,  99.90,  99.90,  -0.25,
04/19 05Z,  99.90,   5.55,  99.90,  99.90,  -0.25,
04/19 06Z,  99.90,   6.77,  99.90,  99.90,  -0.25,