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 : 01/21/2026 04:21:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 12Z,   0.30,   0.20,   0.35,  99.90,  -0.15,
01/19 13Z,   0.30,  -0.34,  -0.26,  99.90,  -0.22,  (min)
01/19 14Z,   0.30,   0.06,   0.86,  99.90,   0.50,
01/19 15Z,   0.40,   1.67,   2.73,  99.90,   0.66,
01/19 16Z,   0.40,   3.54,   4.19,  99.90,   0.25,
01/19 17Z,   0.40,   4.80,   5.37,  99.90,   0.17,
01/19 18Z,   0.50,   5.60,   6.54,  99.90,   0.44,
01/19 19Z,   0.50,   5.92,   7.21,  99.90,   0.79,  (max)
01/19 20Z,   0.60,   5.44,   7.00,  99.90,   0.96,
01/19 21Z,   0.60,   4.44,   5.88,  99.90,   0.84,
01/19 22Z,   0.60,   3.35,   4.70,  99.90,   0.75,
01/19 23Z,   0.60,   2.27,   3.62,  99.90,   0.75,
01/20 00Z,   0.60,   1.21,   2.53,  99.90,   0.72,
01/20 01Z,   0.60,   0.22,   1.53,  99.90,   0.71,
01/20 02Z,   0.60,  -0.23,   0.72,  99.90,   0.35,
01/20 03Z,   0.60,   0.53,   0.49,  99.90,  -0.64,  (min)
01/20 04Z,   0.60,   2.13,   2.50,  99.90,  -0.23,
01/20 05Z,   0.50,   3.46,   3.90,  99.90,  -0.06,
01/20 06Z,   0.50,   4.34,   4.81,  99.90,  -0.03,
01/20 07Z,   0.50,   4.90,   5.26,  99.90,  -0.14,  (max)
01/20 08Z,   0.50,   4.78,   5.11,  99.90,  -0.17,
01/20 09Z,   0.50,   3.93,   4.11,  99.90,  -0.32,
01/20 10Z,   0.40,   2.82,   3.05,  99.90,  -0.17,
01/20 11Z,   0.40,   1.72,   2.07,  99.90,  -0.05,
01/20 12Z,   0.30,   0.74,   1.03,  99.90,  -0.01,
01/20 13Z,   0.30,  -0.04,   0.04,  99.90,  -0.22,
01/20 14Z,   0.20,  -0.37,  -0.80,  99.90,  -0.63,
01/20 15Z,   0.20,   0.39,  -0.90,  99.90,  -1.49,  (min)
01/20 16Z,   0.10,   2.25,   0.99,  99.90,  -1.36,
01/20 17Z,   0.10,   4.10,   2.45,  99.90,  -1.75,
01/20 18Z,  -0.10,   5.21,   3.62,  99.90,  -1.49,
01/20 19Z,  -0.10,   5.80,   4.55,  99.90,  -1.15,
01/20 20Z,  -0.10,   5.83,   5.10,  99.90,  -0.63,  (max)
01/20 21Z,  -0.20,   5.09,   4.57,  99.90,  -0.32,
01/20 22Z,  -0.20,   3.97,   3.46,  99.90,  -0.31,
01/20 23Z,  -0.20,   2.84,   2.41,  99.90,  -0.23,
01/21 00Z,  -0.30,   1.76,   1.40,  99.90,  -0.06,
01/21 01Z,  -0.30,   0.75,   0.36,  99.90,  -0.09,
01/21 02Z,  -0.30,  -0.07,  -0.56,  99.90,  -0.19,
01/21 03Z,  -0.30,  -0.16,  -1.17,  99.90,  -0.71,  (min)
01/21 04Z,  -0.30,   1.01,   0.20,  99.90,  -0.51,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 05Z,  -0.30,   2.76,  99.90,   1.98,  -0.48,
01/21 06Z,  -0.30,   4.02,  99.90,   3.27,  -0.44,
01/21 07Z,  -0.30,   4.73,  99.90,   4.02,  -0.41,
01/21 08Z,  -0.30,   5.04,  99.90,   4.36,  -0.38,  (max)
01/21 09Z,  -0.30,   4.63,  99.90,   3.98,  -0.35,
01/21 10Z,  -0.30,   3.61,  99.90,   2.99,  -0.31,
01/21 11Z,  -0.30,   2.46,  99.90,   1.87,  -0.28,
01/21 12Z,  -0.30,   1.37,  99.90,   0.83,  -0.25,
01/21 13Z,  -0.30,   0.45,  99.90,  -0.06,  -0.21,
01/21 14Z,  -0.30,  -0.21,  99.90,  -0.69,  -0.18,
01/21 15Z,  -0.30,  -0.31,  99.90,  -0.76,  -0.15,  (min)
01/21 16Z,  -0.30,   0.78,  99.90,   0.36,  -0.12,
01/21 17Z,  -0.30,   2.82,  99.90,   2.40,  -0.12,
01/21 18Z,  -0.30,   4.57,  99.90,   4.15,  -0.12,
01/21 19Z,  -0.30,   5.49,  99.90,   5.07,  -0.12,
01/21 20Z,  -0.30,   5.87,  99.90,   5.45,  -0.12,  (max)
01/21 21Z,  -0.30,   5.62,  99.90,   5.21,  -0.12,
01/21 22Z,  -0.20,   4.67,  99.90,   4.35,  -0.12,
01/21 23Z,  -0.20,   3.46,  99.90,   3.14,  -0.12,
01/22 00Z,  -0.10,   2.30,  99.90,   2.08,  -0.12,
01/22 01Z,  -0.10,   1.24,  99.90,   1.03,  -0.12,
01/22 02Z,  -0.10,   0.34,  99.90,   0.12,  -0.12,
01/22 03Z,   0.00,  -0.26,  99.90,  -0.38,  -0.12,  (min)
01/22 04Z,   0.00,   0.03,  99.90,  -0.08,  -0.12,
01/22 05Z,   0.00,   1.56,  99.90,   1.44,  -0.12,
01/22 06Z,   0.00,   3.38,  99.90,   3.27,  -0.12,
01/22 07Z,   0.00,   4.51,  99.90,   4.40,  -0.12,
01/22 08Z,   0.00,   5.05,  99.90,   4.94,  -0.12,
01/22 09Z,   0.00,   5.12,  99.90,   5.00,  -0.12,  (max)
01/22 10Z,  -0.10,   4.45,  99.90,   4.24,  -0.12,
01/22 11Z,  -0.10,   3.31,  99.90,   3.10,  -0.12,
01/22 12Z,  -0.20,   2.14,  99.90,   1.83,  -0.12,
01/22 13Z,  -0.20,   1.09,  99.90,   0.77,  -0.12,
01/22 14Z,  -0.20,   0.24,  99.90,  -0.07,  -0.12,
01/22 15Z,  -0.30,  -0.30,  99.90,  -0.72,  -0.12,  (min)
01/22 16Z,  -0.30,  -0.17,  99.90,  -0.59,  -0.12,
01/22 17Z,  -0.30,   1.19,  99.90,   0.78,  -0.12,
01/22 18Z,  -0.40,   3.30,  99.90,   2.78,  -0.12,
01/22 19Z,  -0.40,   4.88,  99.90,   4.36,  -0.12,
01/22 20Z,  -0.40,   5.61,  99.90,   5.09,  -0.12,
01/22 21Z,  -0.40,   5.80,  99.90,   5.28,  -0.12,  (max)
01/22 22Z,  -0.40,   5.32,  99.90,   4.80,  -0.12,
01/22 23Z,  -0.40,   4.21,  99.90,   3.69,  -0.12,
01/23 00Z,  -0.40,   2.94,  99.90,   2.43,  -0.12,
01/23 01Z,  -0.40,   1.78,  99.90,   1.27,  -0.12,
01/23 02Z,  -0.40,   0.78,  99.90,   0.27,  -0.12,
01/23 03Z,  -0.40,   0.01,  99.90,  -0.51,  -0.12,
01/23 04Z,  -0.40,  -0.34,  99.90,  -0.86,  -0.12,  (min)
01/23 05Z,  -0.40,   0.33,  99.90,  -0.19,  -0.12,
01/23 06Z,  -0.40,   2.13,  99.90,   1.61,  -0.12,
01/23 07Z,  -0.40,   3.94,  99.90,   3.42,  -0.12,
01/23 08Z,  -0.40,   4.91,  99.90,   4.40,  -0.12,
01/23 09Z,  -0.40,   5.29,  99.90,   4.78,  -0.12,  (max)
01/23 10Z,  -0.40,   5.15,  99.90,   4.63,  -0.12,
01/23 11Z,  -0.40,   4.29,  99.90,   3.78,  -0.12,
01/23 12Z,  -0.40,   3.08,  99.90,   2.56,  -0.12,
01/23 13Z,  -0.40,   1.91,  99.90,   1.40,  -0.12,
01/23 14Z,  -0.40,   0.91,  99.90,   0.39,  -0.12,
01/23 15Z,  -0.40,   0.13,  99.90,  -0.38,  -0.12,
01/23 16Z,  -0.40,  -0.31,  99.90,  -0.82,  -0.12,  (min)
01/23 17Z,  -0.40,   0.02,  99.90,  -0.50,  -0.12,
01/23 18Z,  -0.40,   1.57,  99.90,   1.05,  -0.12,
01/23 19Z,  -0.40,   3.63,  99.90,   3.12,  -0.12,
01/23 20Z,  -0.40,   5.00,  99.90,   4.49,  -0.12,
01/23 21Z,  -0.40,   5.56,  99.90,   5.05,  -0.12,
01/23 22Z,  -0.40,   5.61,  99.90,   5.09,  -0.12,  (max)
01/23 23Z,  -0.40,   4.97,  99.90,   4.45,  -0.12,
01/24 00Z,  -0.40,   3.76,  99.90,   3.24,  -0.12,
01/24 01Z,  -0.40,   2.48,  99.90,   1.97,  -0.12,
01/24 02Z,  -0.40,   1.35,  99.90,   0.84,  -0.12,
01/24 03Z,  -0.40,   0.44,  99.90,  -0.08,  -0.12,
01/24 04Z,  -0.40,  -0.19,  99.90,  -0.71,  -0.12,
01/24 05Z,  -0.50,  -0.30,  99.90,  -0.92,  -0.12,  (min)
01/24 06Z,  -0.50,   0.69,  99.90,   0.07,  -0.12,
01/24 07Z,  -0.60,   2.65,  99.90,   1.94,  -0.12,
01/24 08Z,  -0.60,   4.36,  99.90,   3.65,  -0.12,
01/24 09Z,  -0.70,   5.19,  99.90,   4.37,  -0.12,
01/24 10Z,  -0.80,   5.45,  99.90,   4.54,  -0.12,  (max)
01/24 11Z,  -0.80,   5.15,  99.90,   4.24,  -0.12,
01/24 12Z,  -0.90,   4.17,  99.90,   3.16,  -0.12,
01/24 13Z,  -0.90,   2.94,  99.90,   1.92,  -0.12,
01/24 14Z,  -0.90,   1.81,  99.90,   0.79,  -0.12,
01/24 15Z,  -0.90,   0.85,  99.90,  -0.16,  -0.12,
01/24 16Z,  -0.90,   0.14,  99.90,  -0.87,  -0.12,
01/24 17Z,  -0.80,  -0.23,  99.90,  -1.14,  -0.12,  (min)
01/24 18Z,  -0.80,   0.22,  99.90,  -0.69,  -0.12,
01/24 19Z,  99.90,   1.85,  99.90,  99.90,  -0.12,
01/24 20Z,  99.90,   3.77,  99.90,  99.90,  -0.12,
01/24 21Z,  99.90,   4.93,  99.90,  99.90,  -0.12,
01/24 22Z,  99.90,   5.39,  99.90,  99.90,  -0.12,
01/24 23Z,  99.90,   5.35,  99.90,  99.90,  -0.12,
01/25 00Z,  99.90,   4.61,  99.90,  99.90,  -0.12,