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
#Washington, DC : 04/10/2026 20:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 00Z,   0.30,   0.61,   0.80,  99.90,  -0.11,  (min)
04/09 01Z,   0.30,   0.67,   1.22,  99.90,   0.25,
04/09 02Z,   0.40,   1.05,   1.86,  99.90,   0.41,
04/09 03Z,   0.40,   1.68,   2.46,  99.90,   0.38,
04/09 04Z,   0.40,   2.25,   2.90,  99.90,   0.25,
04/09 05Z,   0.40,   2.55,   3.12,  99.90,   0.17,  (max)
04/09 06Z,   0.50,   2.61,   3.11,  99.90,  -0.00,
04/09 07Z,   0.50,   2.44,   3.02,  99.90,   0.08,
04/09 08Z,   0.50,   2.03,   2.80,  99.90,   0.27,
04/09 09Z,   0.50,   1.52,   2.48,  99.90,   0.46,
04/09 10Z,   0.60,   1.02,   2.13,  99.90,   0.51,
04/09 11Z,   0.60,   0.69,   1.81,  99.90,   0.52,
04/09 12Z,   0.60,   0.59,   1.64,  99.90,   0.45,  (min)
04/09 13Z,   0.60,   0.71,   1.80,  99.90,   0.49,
04/09 14Z,   0.60,   1.11,   2.32,  99.90,   0.61,
04/09 15Z,   0.70,   1.78,   2.92,  99.90,   0.44,
04/09 16Z,   0.70,   2.45,   3.33,  99.90,   0.18,
04/09 17Z,   0.70,   2.81,   3.49,  99.90,  -0.02,  (max)
04/09 18Z,   0.70,   2.85,   3.35,  99.90,  -0.20,
04/09 19Z,   0.70,   2.68,   3.01,  99.90,  -0.37,
04/09 20Z,   0.70,   2.30,   2.59,  99.90,  -0.41,
04/09 21Z,   0.80,   1.82,   2.16,  99.90,  -0.46,
04/09 22Z,   0.80,   1.35,   1.82,  99.90,  -0.33,
04/09 23Z,   0.80,   0.96,   1.54,  99.90,  -0.22,
04/10 00Z,   0.70,   0.73,   1.34,  99.90,  -0.09,
04/10 01Z,   0.70,   0.66,   1.34,  99.90,  -0.02,  (min)
04/10 02Z,   0.70,   0.77,   1.57,  99.90,   0.10,
04/10 03Z,   0.80,   1.19,   2.02,  99.90,   0.03,
04/10 04Z,   0.80,   1.81,   2.57,  99.90,  -0.04,
04/10 05Z,   0.80,   2.32,   3.00,  99.90,  -0.12,
04/10 06Z,   0.60,   2.56,   3.14,  99.90,  -0.02,  (max)
04/10 07Z,   0.70,   2.59,   2.97,  99.90,  -0.32,
04/10 08Z,   0.70,   2.39,   2.61,  99.90,  -0.48,
04/10 09Z,   0.70,   1.98,   2.17,  99.90,  -0.51,
04/10 10Z,   0.70,   1.48,   1.71,  99.90,  -0.47,
04/10 11Z,   0.70,   1.01,   1.29,  99.90,  -0.42,
04/10 12Z,   0.60,   0.71,   0.99,  99.90,  -0.32,
04/10 13Z,   0.60,   0.63,   0.82,  99.90,  -0.41,  (min)
04/10 14Z,   0.60,   0.77,   0.90,  99.90,  -0.47,
04/10 15Z,   0.60,   1.18,   1.37,  99.90,  -0.41,
04/10 16Z,   0.60,   1.84,   2.04,  99.90,  -0.40,
04/10 17Z,   0.60,   2.45,   2.63,  99.90,  -0.42,
04/10 18Z,   0.60,   2.75,   3.02,  99.90,  -0.33,
04/10 19Z,   0.60,   2.78,   3.16,  99.90,  -0.22,  (max)
04/10 20Z,   0.60,   2.60,   3.01,  99.90,  -0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 21Z,   0.60,   2.24,  99.90,   2.63,  -0.21,
04/10 22Z,   0.60,   1.77,  99.90,   2.14,  -0.23,
04/10 23Z,   0.60,   1.31,  99.90,   1.66,  -0.25,
04/11 00Z,   0.60,   0.94,  99.90,   1.27,  -0.27,
04/11 01Z,   0.60,   0.73,  99.90,   1.04,  -0.28,
04/11 02Z,   0.60,   0.67,  99.90,   0.97,  -0.30,  (min)
04/11 03Z,   0.60,   0.82,  99.90,   1.10,  -0.32,
04/11 04Z,   0.60,   1.28,  99.90,   1.54,  -0.34,
04/11 05Z,   0.60,   1.91,  99.90,   2.15,  -0.36,
04/11 06Z,   0.60,   2.38,  99.90,   2.60,  -0.37,
04/11 07Z,   0.60,   2.60,  99.90,   2.81,  -0.39,  (max)
04/11 08Z,   0.60,   2.61,  99.90,   2.80,  -0.41,
04/11 09Z,   0.60,   2.39,  99.90,   2.58,  -0.41,
04/11 10Z,   0.60,   1.97,  99.90,   2.16,  -0.41,
04/11 11Z,   0.60,   1.46,  99.90,   1.65,  -0.41,
04/11 12Z,   0.60,   1.01,  99.90,   1.20,  -0.41,
04/11 13Z,   0.60,   0.72,  99.90,   0.91,  -0.41,
04/11 14Z,   0.60,   0.65,  99.90,   0.84,  -0.41,  (min)
04/11 15Z,   0.60,   0.78,  99.90,   0.97,  -0.41,
04/11 16Z,   0.50,   1.20,  99.90,   1.29,  -0.41,
04/11 17Z,   0.50,   1.86,  99.90,   1.95,  -0.41,
04/11 18Z,   0.50,   2.44,  99.90,   2.53,  -0.41,
04/11 19Z,   0.50,   2.72,  99.90,   2.81,  -0.41,
04/11 20Z,   0.50,   2.75,  99.90,   2.84,  -0.41,  (max)
04/11 21Z,   0.50,   2.58,  99.90,   2.67,  -0.41,
04/11 22Z,   0.50,   2.21,  99.90,   2.30,  -0.41,
04/11 23Z,   0.50,   1.73,  99.90,   1.82,  -0.41,
04/12 00Z,   0.50,   1.27,  99.90,   1.36,  -0.41,
04/12 01Z,   0.50,   0.90,  99.90,   0.99,  -0.41,
04/12 02Z,   0.50,   0.69,  99.90,   0.78,  -0.41,
04/12 03Z,   0.50,   0.64,  99.90,   0.73,  -0.41,  (min)
04/12 04Z,   0.40,   0.83,  99.90,   0.82,  -0.41,
04/12 05Z,   0.40,   1.34,  99.90,   1.33,  -0.41,
04/12 06Z,   0.40,   1.99,  99.90,   1.98,  -0.41,
04/12 07Z,   0.40,   2.46,  99.90,   2.45,  -0.41,
04/12 08Z,   0.40,   2.68,  99.90,   2.67,  -0.41,  (max)
04/12 09Z,   0.40,   2.68,  99.90,   2.67,  -0.41,
04/12 10Z,   0.40,   2.42,  99.90,   2.41,  -0.41,
04/12 11Z,   0.40,   1.97,  99.90,   1.96,  -0.41,
04/12 12Z,   0.40,   1.46,  99.90,   1.45,  -0.41,
04/12 13Z,   0.40,   1.01,  99.90,   1.00,  -0.41,
04/12 14Z,   0.40,   0.72,  99.90,   0.71,  -0.41,
04/12 15Z,   0.40,   0.63,  99.90,   0.62,  -0.41,  (min)
04/12 16Z,   0.40,   0.75,  99.90,   0.74,  -0.41,
04/12 17Z,   0.40,   1.18,  99.90,   1.17,  -0.41,
04/12 18Z,   0.40,   1.85,  99.90,   1.84,  -0.41,
04/12 19Z,   0.40,   2.43,  99.90,   2.42,  -0.41,
04/12 20Z,   0.40,   2.73,  99.90,   2.72,  -0.41,
04/12 21Z,   0.40,   2.78,  99.90,   2.77,  -0.41,  (max)
04/12 22Z,   0.40,   2.59,  99.90,   2.58,  -0.41,
04/12 23Z,   0.40,   2.19,  99.90,   2.18,  -0.41,
04/13 00Z,   0.50,   1.69,  99.90,   1.78,  -0.41,
04/13 01Z,   0.50,   1.20,  99.90,   1.29,  -0.41,
04/13 02Z,   0.50,   0.83,  99.90,   0.92,  -0.41,
04/13 03Z,   0.50,   0.62,  99.90,   0.71,  -0.41,
04/13 04Z,   0.50,   0.58,  99.90,   0.67,  -0.41,  (min)
04/13 05Z,   0.50,   0.82,  99.90,   0.91,  -0.41,
04/13 06Z,   0.50,   1.41,  99.90,   1.50,  -0.41,
04/13 07Z,   0.60,   2.11,  99.90,   2.30,  -0.41,
04/13 08Z,   0.60,   2.59,  99.90,   2.78,  -0.41,
04/13 09Z,   0.60,   2.81,  99.90,   3.00,  -0.41,  (max)
04/13 10Z,   0.60,   2.78,  99.90,   2.97,  -0.41,
04/13 11Z,   0.70,   2.47,  99.90,   2.76,  -0.41,
04/13 12Z,   0.70,   1.98,  99.90,   2.26,  -0.41,
04/13 13Z,   0.70,   1.44,  99.90,   1.73,  -0.41,
04/13 14Z,   0.70,   0.99,  99.90,   1.28,  -0.41,
04/13 15Z,   0.70,   0.69,  99.90,   0.98,  -0.41,
04/13 16Z,   0.70,   0.57,  99.90,   0.86,  -0.41,  (min)
04/13 17Z,   0.70,   0.67,  99.90,   0.96,  -0.41,
04/13 18Z,   0.70,   1.14,  99.90,   1.43,  -0.41,
04/13 19Z,   0.70,   1.86,  99.90,   2.15,  -0.41,
04/13 20Z,   0.70,   2.46,  99.90,   2.75,  -0.41,
04/13 21Z,   0.70,   2.77,  99.90,   3.06,  -0.41,
04/13 22Z,   0.70,   2.82,  99.90,   3.11,  -0.41,  (max)
04/13 23Z,   0.70,   2.59,  99.90,   2.88,  -0.41,
04/14 00Z,   0.70,   2.14,  99.90,   2.43,  -0.41,
04/14 01Z,   0.70,   1.61,  99.90,   1.90,  -0.41,
04/14 02Z,   0.70,   1.11,  99.90,   1.40,  -0.41,
04/14 03Z,   0.60,   0.73,  99.90,   0.92,  -0.41,
04/14 04Z,   0.60,   0.52,  99.90,   0.71,  -0.41,
04/14 05Z,   0.60,   0.50,  99.90,   0.69,  -0.41,  (min)
04/14 06Z,   0.60,   0.82,  99.90,   1.01,  -0.41,
04/14 07Z,   0.60,   1.52,  99.90,   1.71,  -0.41,
04/14 08Z,   0.60,   2.28,  99.90,   2.47,  -0.41,
04/14 09Z,   0.60,   2.79,  99.90,   2.98,  -0.41,
04/14 10Z,   0.60,   2.99,  99.90,   3.18,  -0.41,  (max)
04/14 11Z,   0.60,   2.89,  99.90,   3.08,  -0.41,
04/14 12Z,   0.60,   2.51,  99.90,   2.70,  -0.41,