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 : 04/22/2026 13:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 18Z,   0.50,   3.70,   3.79,  99.90,  -0.41,
04/20 19Z,   0.40,   4.97,   4.98,  99.90,  -0.39,
04/20 20Z,   0.40,   5.78,   5.79,  99.90,  -0.39,
04/20 21Z,   0.40,   6.08,   5.98,  99.90,  -0.50,  (max)
04/20 22Z,   0.40,   5.57,   4.97,  99.90,  -1.00,
04/20 23Z,   0.30,   4.59,   3.80,  99.90,  -1.09,
04/21 00Z,   0.20,   3.58,   2.74,  99.90,  -1.04,
04/21 01Z,   0.20,   2.62,   1.63,  99.90,  -1.19,
04/21 02Z,   0.20,   1.74,   0.53,  99.90,  -1.41,
04/21 03Z,   0.10,   1.00,  -0.43,  99.90,  -1.53,  (min)
04/21 04Z,   0.10,   0.92,  -0.30,  99.90,  -1.32,
04/21 05Z,   0.10,   2.16,   2.12,  99.90,  -0.14,
04/21 06Z,   0.00,   4.23,   3.80,  99.90,  -0.43,
04/21 07Z,   0.00,   5.90,   5.28,  99.90,  -0.62,
04/21 08Z,   0.00,   6.84,   6.39,  99.90,  -0.45,
04/21 09Z,   0.00,   7.24,   7.15,  99.90,  -0.09,  (max)
04/21 10Z,   0.00,   6.93,   6.83,  99.90,  -0.10,
04/21 11Z,   0.00,   6.01,   5.61,  99.90,  -0.40,
04/21 12Z,   0.10,   4.97,   4.46,  99.90,  -0.61,
04/21 13Z,   0.10,   3.96,   3.37,  99.90,  -0.69,
04/21 14Z,   0.10,   2.89,   2.27,  99.90,  -0.72,
04/21 15Z,   0.10,   1.73,   1.19,  99.90,  -0.64,
04/21 16Z,   0.10,   0.75,   0.32,  99.90,  -0.53,  (min)
04/21 17Z,   0.10,   0.79,   0.37,  99.90,  -0.52,
04/21 18Z,   0.20,   2.12,   2.67,  99.90,   0.35,
04/21 19Z,   0.20,   3.75,   4.22,  99.90,   0.27,
04/21 20Z,   0.20,   4.90,   5.41,  99.90,   0.31,
04/21 21Z,   0.20,   5.69,   6.17,  99.90,   0.28,
04/21 22Z,   0.20,   5.95,   6.45,  99.90,   0.30,  (max)
04/21 23Z,   0.20,   5.44,   5.60,  99.90,  -0.04,
04/22 00Z,   0.30,   4.51,   4.47,  99.90,  -0.34,
04/22 01Z,   0.30,   3.55,   3.51,  99.90,  -0.34,
04/22 02Z,   0.30,   2.62,   2.51,  99.90,  -0.41,
04/22 03Z,   0.40,   1.73,   1.50,  99.90,  -0.63,
04/22 04Z,   0.40,   1.01,   0.85,  99.90,  -0.56,  (min)
04/22 05Z,   0.40,   1.03,   2.08,  99.90,   0.65,
04/22 06Z,   0.60,   2.35,   3.98,  99.90,   1.03,
04/22 07Z,   0.70,   4.32,   5.45,  99.90,   0.43,
04/22 08Z,   0.70,   5.79,   6.62,  99.90,   0.13,
04/22 09Z,   0.70,   6.65,   7.62,  99.90,   0.27,
04/22 10Z,   0.80,   7.04,   8.07,  99.90,   0.23,  (max)
04/22 11Z,   0.80,   6.73,   7.55,  99.90,   0.02,
04/22 12Z,   0.80,   5.88,   6.44,  99.90,  -0.24,
04/22 13Z,   0.90,   4.93,   5.30,  99.90,  -0.53,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 14Z,   0.90,   3.98,  99.90,   4.34,  -0.53,
04/22 15Z,   0.90,   2.91,  99.90,   3.28,  -0.53,
04/22 16Z,   0.90,   1.72,  99.90,   2.10,  -0.53,
04/22 17Z,   0.90,   0.77,  99.90,   1.15,  -0.52,  (min)
04/22 18Z,   0.90,   0.91,  99.90,   1.29,  -0.52,
04/22 19Z,   0.80,   2.24,  99.90,   2.52,  -0.52,
04/22 20Z,   0.80,   3.71,  99.90,   4.00,  -0.52,
04/22 21Z,   0.70,   4.79,  99.90,   4.97,  -0.51,
04/22 22Z,   0.70,   5.61,  99.90,   5.80,  -0.51,
04/22 23Z,   0.60,   5.89,  99.90,   5.99,  -0.51,  (max)
04/23 00Z,   0.60,   5.41,  99.90,   5.51,  -0.51,
04/23 01Z,   0.60,   4.55,  99.90,   4.65,  -0.50,
04/23 02Z,   0.60,   3.63,  99.90,   3.72,  -0.50,
04/23 03Z,   0.60,   2.70,  99.90,   2.79,  -0.50,
04/23 04Z,   0.60,   1.79,  99.90,   1.88,  -0.50,
04/23 05Z,   0.60,   1.05,  99.90,   1.14,  -0.50,  (min)
04/23 06Z,   0.60,   1.11,  99.90,   1.21,  -0.50,
04/23 07Z,   0.60,   2.44,  99.90,   2.54,  -0.50,
04/23 08Z,   0.60,   4.24,  99.90,   4.34,  -0.50,
04/23 09Z,   0.60,   5.54,  99.90,   5.63,  -0.50,
04/23 10Z,   0.60,   6.38,  99.90,   6.48,  -0.50,
04/23 11Z,   0.70,   6.83,  99.90,   7.03,  -0.50,  (max)
04/23 12Z,   0.70,   6.57,  99.90,   6.77,  -0.50,
04/23 13Z,   0.70,   5.81,  99.90,   6.00,  -0.50,
04/23 14Z,   0.70,   4.95,  99.90,   5.14,  -0.50,
04/23 15Z,   0.70,   4.02,  99.90,   4.21,  -0.50,
04/23 16Z,   0.70,   2.94,  99.90,   3.14,  -0.50,
04/23 17Z,   0.70,   1.71,  99.90,   1.91,  -0.50,
04/23 18Z,   0.80,   0.78,  99.90,   1.08,  -0.50,  (min)
04/23 19Z,   0.80,   0.99,  99.90,   1.28,  -0.50,
04/23 20Z,   0.80,   2.26,  99.90,   2.56,  -0.50,
04/23 21Z,   0.80,   3.61,  99.90,   3.91,  -0.50,
04/23 22Z,   0.80,   4.68,  99.90,   4.98,  -0.50,
04/23 23Z,   0.80,   5.59,  99.90,   5.89,  -0.50,
04/24 00Z,   0.80,   5.93,  99.90,   6.23,  -0.50,  (max)
04/24 01Z,   0.80,   5.50,  99.90,   5.79,  -0.50,
04/24 02Z,   0.80,   4.69,  99.90,   4.99,  -0.50,
04/24 03Z,   0.80,   3.79,  99.90,   4.09,  -0.50,
04/24 04Z,   0.80,   2.84,  99.90,   3.14,  -0.50,
04/24 05Z,   0.80,   1.88,  99.90,   2.17,  -0.50,
04/24 06Z,   0.80,   1.08,  99.90,   1.37,  -0.50,  (min)
04/24 07Z,   0.80,   1.14,  99.90,   1.44,  -0.50,
04/24 08Z,   0.80,   2.41,  99.90,   2.71,  -0.50,
04/24 09Z,   0.80,   4.03,  99.90,   4.32,  -0.50,
04/24 10Z,   0.70,   5.21,  99.90,   5.41,  -0.50,
04/24 11Z,   0.70,   6.12,  99.90,   6.32,  -0.50,
04/24 12Z,   0.70,   6.66,  99.90,   6.86,  -0.50,  (max)
04/24 13Z,   0.80,   6.47,  99.90,   6.76,  -0.50,
04/24 14Z,   0.80,   5.79,  99.90,   6.08,  -0.50,
04/24 15Z,   0.80,   4.98,  99.90,   5.28,  -0.50,
04/24 16Z,   0.80,   4.06,  99.90,   4.35,  -0.50,
04/24 17Z,   0.80,   2.95,  99.90,   3.25,  -0.50,
04/24 18Z,   0.90,   1.66,  99.90,   2.06,  -0.50,
04/24 19Z,   0.90,   0.74,  99.90,   1.14,  -0.50,  (min)
04/24 20Z,   0.90,   1.00,  99.90,   1.40,  -0.50,
04/24 21Z,   0.90,   2.23,  99.90,   2.63,  -0.50,
04/24 22Z,   0.90,   3.50,  99.90,   3.90,  -0.50,
04/24 23Z,   0.90,   4.64,  99.90,   5.04,  -0.50,
04/25 00Z,   0.90,   5.69,  99.90,   6.08,  -0.50,
04/25 01Z,   1.00,   6.08,  99.90,   6.58,  -0.50,  (max)
04/25 02Z,   1.00,   5.68,  99.90,   6.18,  -0.50,
04/25 03Z,   1.00,   4.91,  99.90,   5.41,  -0.50,
04/25 04Z,   1.00,   4.01,  99.90,   4.50,  -0.50,
04/25 05Z,   1.10,   3.02,  99.90,   3.62,  -0.50,
04/25 06Z,   1.10,   1.97,  99.90,   2.56,  -0.50,
04/25 07Z,   1.10,   1.08,  99.90,   1.67,  -0.50,  (min)
04/25 08Z,   1.10,   1.11,  99.90,   1.71,  -0.50,
04/25 09Z,   1.10,   2.30,  99.90,   2.89,  -0.50,
04/25 10Z,   1.10,   3.75,  99.90,   4.34,  -0.50,
04/25 11Z,   1.20,   4.90,  99.90,   5.60,  -0.50,
04/25 12Z,   1.20,   5.93,  99.90,   6.63,  -0.50,
04/25 13Z,   1.20,   6.56,  99.90,   7.26,  -0.50,  (max)
04/25 14Z,   1.20,   6.42,  99.90,   7.12,  -0.50,
04/25 15Z,   1.30,   5.80,  99.90,   6.59,  -0.50,
04/25 16Z,   1.30,   5.01,  99.90,   5.80,  -0.50,
04/25 17Z,   1.30,   4.06,  99.90,   4.86,  -0.50,
04/25 18Z,   1.30,   2.90,  99.90,   3.70,  -0.50,
04/25 19Z,   1.30,   1.55,  99.90,   2.35,  -0.50,
04/25 20Z,   1.30,   0.65,  99.90,   1.45,  -0.50,  (min)
04/25 21Z,   1.30,   0.99,  99.90,   1.78,  -0.50,
04/25 22Z,   1.30,   2.19,  99.90,   2.99,  -0.50,
04/25 23Z,   1.20,   3.46,  99.90,   4.15,  -0.50,
04/26 00Z,   1.20,   4.74,  99.90,   5.43,  -0.50,
04/26 01Z,   1.20,   5.90,  99.90,   6.60,  -0.50,
04/26 02Z,   1.20,   6.32,  99.90,   7.01,  -0.50,  (max)
04/26 03Z,   1.20,   5.93,  99.90,   6.62,  -0.50,
04/26 04Z,   1.20,   5.16,  99.90,   5.86,  -0.50,
04/26 05Z,   1.20,   4.23,  99.90,   4.92,  -0.50,
04/26 06Z,   1.20,   3.18,  99.90,   3.87,  -0.50,