EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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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
#Lewes, DE : 04/19/2026 17:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 00Z,   0.60,   4.63,   5.29,  99.90,   0.06,
04/18 01Z,   0.60,   5.30,   5.83,  99.90,  -0.07,  (max)
04/18 02Z,   0.60,   5.32,   5.71,  99.90,  -0.21,
04/18 03Z,   0.60,   4.68,   5.07,  99.90,  -0.21,
04/18 04Z,   0.60,   3.50,   4.02,  99.90,  -0.08,
04/18 05Z,   0.60,   2.03,   2.68,  99.90,   0.05,
04/18 06Z,   0.70,   0.62,   1.36,  99.90,   0.04,
04/18 07Z,   0.70,  -0.32,   0.39,  99.90,   0.01,
04/18 08Z,   0.70,  -0.53,   0.36,  99.90,   0.19,  (min)
04/18 09Z,   0.80,  -0.05,   0.98,  99.90,   0.23,
04/18 10Z,   0.80,   0.91,   1.89,  99.90,   0.18,
04/18 11Z,   0.80,   2.09,   3.04,  99.90,   0.15,
04/18 12Z,   0.80,   3.23,   4.28,  99.90,   0.25,
04/18 13Z,   0.80,   4.06,   5.08,  99.90,   0.22,
04/18 14Z,   0.80,   4.35,   5.25,  99.90,   0.10,  (max)
04/18 15Z,   0.80,   4.03,   4.85,  99.90,   0.02,
04/18 16Z,   0.80,   3.18,   3.93,  99.90,  -0.05,
04/18 17Z,   0.90,   1.97,   2.89,  99.90,   0.02,
04/18 18Z,   0.90,   0.70,   1.66,  99.90,   0.06,
04/18 19Z,   0.90,  -0.21,   0.81,  99.90,   0.12,
04/18 20Z,   0.90,  -0.44,   0.53,  99.90,   0.07,  (min)
04/18 21Z,   0.90,   0.07,   1.18,  99.90,   0.21,
04/18 22Z,   0.90,   1.15,   2.23,  99.90,   0.18,
04/18 23Z,   0.90,   2.51,   3.60,  99.90,   0.19,
04/19 00Z,   1.00,   3.87,   5.02,  99.90,   0.15,
04/19 01Z,   1.00,   4.95,   6.11,  99.90,   0.16,  0.02 ft above HAT
04/19 02Z,   1.00,   5.49,   6.45,  99.90,  -0.04,  0.36 ft above HAT  (max)
04/19 03Z,   1.00,   5.36,   6.28,  99.90,  -0.08,  0.19 ft above HAT
04/19 04Z,   1.00,   4.59,   5.50,  99.90,  -0.09,
04/19 05Z,   1.00,   3.32,   4.26,  99.90,  -0.06,
04/19 06Z,   1.10,   1.81,   2.90,  99.90,  -0.01,
04/19 07Z,   1.10,   0.44,   1.59,  99.90,   0.05,
04/19 08Z,   1.10,  -0.38,   0.80,  99.90,   0.08,
04/19 09Z,   1.00,  -0.48,   0.70,  99.90,   0.18,  (min)
04/19 10Z,   1.00,   0.08,   1.28,  99.90,   0.20,
04/19 11Z,   0.90,   1.07,   2.19,  99.90,   0.22,
04/19 12Z,   0.90,   2.22,   3.25,  99.90,   0.13,
04/19 13Z,   0.90,   3.29,   4.39,  99.90,   0.20,
04/19 14Z,   0.80,   4.01,   5.31,  99.90,   0.50,  (max)
04/19 15Z,   0.70,   4.18,   5.28,  99.90,   0.40,
04/19 16Z,   0.40,   3.77,   4.43,  99.90,   0.26,
04/19 17Z,   0.00,   2.87,   3.05,  99.90,   0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 18Z,  -0.20,   1.67,  99.90,   1.65,   0.18,
04/19 19Z,   0.00,   0.50,  99.90,   0.68,   0.18,
04/19 20Z,   0.20,  -0.26,  99.90,   0.12,   0.18,  (min)
04/19 21Z,   0.50,  -0.32,  99.90,   0.36,   0.19,
04/19 22Z,   0.60,   0.32,  99.90,   1.11,   0.19,
04/19 23Z,   0.70,   1.45,  99.90,   2.34,   0.19,
04/20 00Z,   0.80,   2.81,  99.90,   3.80,   0.19,
04/20 01Z,   0.80,   4.11,  99.90,   5.10,   0.19,
04/20 02Z,   0.80,   5.09,  99.90,   6.08,   0.19,
04/20 03Z,   0.50,   5.50,  99.90,   6.20,   0.20,  0.11 ft above HAT  (max)
04/20 04Z,   0.30,   5.26,  99.90,   5.76,   0.20,
04/20 05Z,   0.30,   4.41,  99.90,   4.91,   0.20,
04/20 06Z,   0.30,   3.13,  99.90,   3.63,   0.20,
04/20 07Z,   0.40,   1.66,  99.90,   2.26,   0.20,
04/20 08Z,   0.40,   0.39,  99.90,   0.99,   0.20,
04/20 09Z,   0.40,  -0.31,  99.90,   0.29,   0.20,
04/20 10Z,   0.40,  -0.32,  99.90,   0.28,   0.20,  (min)
04/20 11Z,   0.30,   0.27,  99.90,   0.77,   0.20,
04/20 12Z,   0.30,   1.23,  99.90,   1.73,   0.20,
04/20 13Z,   0.30,   2.31,  99.90,   2.81,   0.20,
04/20 14Z,   0.20,   3.28,  99.90,   3.68,   0.20,
04/20 15Z,   0.10,   3.89,  99.90,   4.19,   0.20,  (max)
04/20 16Z,   0.00,   3.97,  99.90,   4.17,   0.20,
04/20 17Z,  -0.10,   3.52,  99.90,   3.62,   0.20,
04/20 18Z,  -0.10,   2.63,  99.90,   2.73,   0.20,
04/20 19Z,   0.00,   1.50,  99.90,   1.70,   0.20,
04/20 20Z,   0.00,   0.45,  99.90,   0.64,   0.20,
04/20 21Z,   0.00,  -0.17,  99.90,   0.03,   0.20,  (min)
04/20 22Z,   0.00,  -0.11,  99.90,   0.08,   0.20,
04/20 23Z,   0.00,   0.58,  99.90,   0.78,   0.20,
04/21 00Z,   0.00,   1.69,  99.90,   1.89,   0.20,
04/21 01Z,   0.10,   2.97,  99.90,   3.27,   0.20,
04/21 02Z,   0.10,   4.17,  99.90,   4.47,   0.20,
04/21 03Z,   0.20,   5.04,  99.90,   5.44,   0.20,
04/21 04Z,   0.20,   5.35,  99.90,   5.75,   0.20,  (max)
04/21 05Z,   0.30,   5.06,  99.90,   5.56,   0.20,
04/21 06Z,   0.40,   4.22,  99.90,   4.82,   0.20,
04/21 07Z,   0.50,   2.99,  99.90,   3.69,   0.20,
04/21 08Z,   0.50,   1.62,  99.90,   2.32,   0.20,
04/21 09Z,   0.50,   0.47,  99.90,   1.17,   0.20,
04/21 10Z,   0.50,  -0.13,  99.90,   0.57,   0.20,
04/21 11Z,   0.40,  -0.09,  99.90,   0.51,   0.20,  (min)
04/21 12Z,   0.40,   0.47,  99.90,   1.07,   0.20,
04/21 13Z,   0.40,   1.35,  99.90,   1.95,   0.20,
04/21 14Z,   0.30,   2.33,  99.90,   2.83,   0.20,
04/21 15Z,   0.30,   3.20,  99.90,   3.70,   0.20,
04/21 16Z,   0.40,   3.72,  99.90,   4.32,   0.20,
04/21 17Z,   0.40,   3.76,  99.90,   4.36,   0.20,  (max)
04/21 18Z,   0.50,   3.33,  99.90,   4.03,   0.20,
04/21 19Z,   0.50,   2.50,  99.90,   3.20,   0.20,
04/21 20Z,   0.50,   1.47,  99.90,   2.17,   0.20,
04/21 21Z,   0.50,   0.53,  99.90,   1.23,   0.20,
04/21 22Z,   0.50,   0.02,  99.90,   0.72,   0.20,  (min)
04/21 23Z,   0.50,   0.12,  99.90,   0.82,   0.20,
04/22 00Z,   0.40,   0.79,  99.90,   1.39,   0.20,
04/22 01Z,   0.40,   1.81,  99.90,   2.41,   0.20,
04/22 02Z,   0.40,   2.98,  99.90,   3.58,   0.20,
04/22 03Z,   0.40,   4.07,  99.90,   4.67,   0.20,
04/22 04Z,   0.40,   4.84,  99.90,   5.44,   0.20,
04/22 05Z,   0.40,   5.11,  99.90,   5.71,   0.20,  (max)
04/22 06Z,   0.40,   4.82,  99.90,   5.42,   0.20,
04/22 07Z,   0.30,   4.05,  99.90,   4.55,   0.20,
04/22 08Z,   0.30,   2.92,  99.90,   3.42,   0.20,
04/22 09Z,   0.30,   1.67,  99.90,   2.17,   0.20,
04/22 10Z,   0.20,   0.63,  99.90,   1.03,   0.20,
04/22 11Z,   0.20,   0.10,  99.90,   0.49,   0.20,
04/22 12Z,   0.10,   0.13,  99.90,   0.43,   0.20,  (min)
04/22 13Z,   0.10,   0.62,  99.90,   0.92,   0.20,
04/22 14Z,   0.00,   1.40,  99.90,   1.60,   0.20,
04/22 15Z,   0.00,   2.30,  99.90,   2.50,   0.20,
04/22 16Z,   0.00,   3.09,  99.90,   3.29,   0.20,
04/22 17Z,   0.00,   3.57,  99.90,   3.77,   0.20,
04/22 18Z,   0.00,   3.62,  99.90,   3.82,   0.20,  (max)
04/22 19Z,   0.10,   3.24,  99.90,   3.54,   0.20,
04/22 20Z,   0.20,   2.51,  99.90,   2.91,   0.20,
04/22 21Z,   0.30,   1.58,  99.90,   2.08,   0.20,
04/22 22Z,   0.30,   0.72,  99.90,   1.22,   0.20,
04/22 23Z,   0.40,   0.25,  99.90,   0.85,   0.20,  (min)
04/23 00Z,   0.40,   0.33,  99.90,   0.93,   0.20,
04/23 01Z,   0.40,   0.90,  99.90,   1.50,   0.20,
04/23 02Z,   0.50,   1.81,  99.90,   2.51,   0.20,
04/23 03Z,   0.50,   2.86,  99.90,   3.56,   0.20,
04/23 04Z,   0.50,   3.86,  99.90,   4.55,   0.20,
04/23 05Z,   0.50,   4.57,  99.90,   5.27,   0.20,
04/23 06Z,   0.60,   4.83,  99.90,   5.63,   0.20,  (max)
04/23 07Z,   0.60,   4.61,  99.90,   5.41,   0.20,
04/23 08Z,   0.60,   3.93,  99.90,   4.73,   0.20,
04/23 09Z,   0.70,   2.92,  99.90,   3.82,   0.20,
04/23 10Z,   0.70,   1.78,  99.90,   2.68,   0.20,
04/23 11Z,   0.70,   0.82,  99.90,   1.72,   0.20,
04/23 12Z,   0.70,   0.30,  99.90,   1.20,   0.20,