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
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 : 10/18/2026 03:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   0.60,   1.33,   2.27,  99.90,   0.34,
10/16 13Z,   0.60,   1.98,   2.94,  99.90,   0.36,
10/16 14Z,   0.60,   2.78,   3.79,  99.90,   0.41,
10/16 15Z,   0.60,   3.57,   4.60,  99.90,   0.43,
10/16 16Z,   0.50,   4.17,   5.19,  99.90,   0.52,
10/16 17Z,   0.60,   4.42,   5.45,  99.90,   0.43,  (max)
10/16 18Z,   0.60,   4.25,   5.22,  99.90,   0.37,
10/16 19Z,   0.60,   3.74,   4.66,  99.90,   0.32,
10/16 20Z,   0.60,   3.00,   3.85,  99.90,   0.25,
10/16 21Z,   0.50,   2.15,   3.14,  99.90,   0.49,
10/16 22Z,   0.50,   1.41,   2.51,  99.90,   0.60,
10/16 23Z,   0.50,   0.99,   1.97,  99.90,   0.48,
10/17 00Z,   0.50,   0.95,   1.85,  99.90,   0.40,  (min)
10/17 01Z,   0.50,   1.24,   2.32,  99.90,   0.58,
10/17 02Z,   0.50,   1.73,   2.46,  99.90,   0.23,
10/17 03Z,   0.30,   2.33,   2.98,  99.90,   0.35,
10/17 04Z,   0.20,   2.88,   3.57,  99.90,   0.49,
10/17 05Z,   0.10,   3.20,   3.81,  99.90,   0.51,  (max)
10/17 06Z,   0.30,   3.21,   3.70,  99.90,   0.19,
10/17 07Z,   0.30,   2.92,   3.70,  99.90,   0.48,
10/17 08Z,   0.20,   2.43,   3.07,  99.90,   0.44,
10/17 09Z,   0.20,   1.85,   2.68,  99.90,   0.63,
10/17 10Z,   0.50,   1.33,   2.40,  99.90,   0.57,
10/17 11Z,   0.60,   1.05,   2.10,  99.90,   0.45,
10/17 12Z,   0.40,   1.12,   2.04,  99.90,   0.52,  (min)
10/17 13Z,   0.60,   1.52,   2.69,  99.90,   0.57,
10/17 14Z,   0.60,   2.13,   3.40,  99.90,   0.67,
10/17 15Z,   0.60,   2.85,   4.15,  99.90,   0.70,
10/17 16Z,   0.80,   3.56,   5.11,  99.90,   0.75,
10/17 17Z,   0.90,   4.08,   5.36,  99.90,   0.38,
10/17 18Z,   0.80,   4.26,   5.38,  99.90,   0.32,  (max)
10/17 19Z,   0.90,   4.07,   5.23,  99.90,   0.26,
10/17 20Z,   1.00,   3.57,   4.69,  99.90,   0.12,
10/17 21Z,   1.10,   2.87,   4.13,  99.90,   0.16,
10/17 22Z,   1.00,   2.10,   3.60,  99.90,   0.50,
10/17 23Z,   1.10,   1.44,   2.76,  99.90,   0.22,
10/18 00Z,   1.10,   1.09,   2.53,  99.90,   0.34,
10/18 01Z,   1.10,   1.08,   2.49,  99.90,   0.31,  (min)
10/18 02Z,   1.10,   1.36,   2.58,  99.90,   0.12,
10/18 03Z,   1.10,   1.81,   3.16,  99.90,   0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 04Z,   1.30,   2.36,  99.90,   3.92,   0.26,
10/18 05Z,   1.20,   2.86,  99.90,   4.33,   0.26,
10/18 06Z,   1.20,   3.14,  99.90,   4.62,   0.27,  (max)
10/18 07Z,   1.20,   3.13,  99.90,   4.61,   0.28,
10/18 08Z,   1.30,   2.85,  99.90,   4.44,   0.29,
10/18 09Z,   1.20,   2.39,  99.90,   3.89,   0.30,
10/18 10Z,   1.20,   1.85,  99.90,   3.36,   0.31,
10/18 11Z,   1.30,   1.37,  99.90,   2.99,   0.32,
10/18 12Z,   1.20,   1.13,  99.90,   2.65,   0.32,  (min)
10/18 13Z,   1.20,   1.22,  99.90,   2.75,   0.33,
10/18 14Z,   1.20,   1.59,  99.90,   3.13,   0.34,
10/18 15Z,   1.30,   2.16,  99.90,   3.81,   0.35,
10/18 16Z,   1.30,   2.85,  99.90,   4.50,   0.35,
10/18 17Z,   1.30,   3.52,  99.90,   5.17,   0.35,
10/18 18Z,   1.20,   4.01,  99.90,   5.56,   0.35,
10/18 19Z,   1.20,   4.16,  99.90,   5.71,   0.35,  (max)
10/18 20Z,   1.20,   3.97,  99.90,   5.51,   0.35,
10/18 21Z,   1.20,   3.48,  99.90,   5.03,   0.35,
10/18 22Z,   1.20,   2.80,  99.90,   4.35,   0.35,
10/18 23Z,   1.20,   2.05,  99.90,   3.60,   0.35,
10/19 00Z,   1.20,   1.43,  99.90,   2.98,   0.35,
10/19 01Z,   1.20,   1.11,  99.90,   2.66,   0.35,  (min)
10/19 02Z,   1.20,   1.12,  99.90,   2.66,   0.35,
10/19 03Z,   1.20,   1.38,  99.90,   2.93,   0.35,
10/19 04Z,   1.30,   1.84,  99.90,   3.49,   0.35,
10/19 05Z,   1.30,   2.40,  99.90,   4.05,   0.35,
10/19 06Z,   1.30,   2.90,  99.90,   4.55,   0.35,
10/19 07Z,   1.40,   3.18,  99.90,   4.93,   0.35,  (max)
10/19 08Z,   1.40,   3.16,  99.90,   4.91,   0.35,
10/19 09Z,   1.40,   2.89,  99.90,   4.64,   0.35,
10/19 10Z,   1.40,   2.43,  99.90,   4.18,   0.35,
10/19 11Z,   1.50,   1.88,  99.90,   3.72,   0.35,
10/19 12Z,   1.50,   1.38,  99.90,   3.23,   0.35,
10/19 13Z,   1.50,   1.13,  99.90,   2.98,   0.35,  (min)
10/19 14Z,   1.60,   1.21,  99.90,   3.16,   0.35,
10/19 15Z,   1.60,   1.57,  99.90,   3.52,   0.35,
10/19 16Z,   1.70,   2.14,  99.90,   4.19,   0.35,
10/19 17Z,   1.80,   2.83,  99.90,   4.98,   0.35,
10/19 18Z,   1.90,   3.51,  99.90,   5.76,   0.35,
10/19 19Z,   1.90,   3.99,  99.90,   6.24,   0.35,  0.15 ft above HAT
10/19 20Z,   2.00,   4.14,  99.90,   6.49,   0.35,  0.40 ft above HAT  (max)
10/19 21Z,   2.10,   3.94,  99.90,   6.38,   0.35,  0.29 ft above HAT
10/19 22Z,   2.20,   3.44,  99.90,   5.99,   0.35,
10/19 23Z,   2.20,   2.73,  99.90,   5.28,   0.35,
10/20 00Z,   2.20,   1.96,  99.90,   4.51,   0.35,
10/20 01Z,   2.20,   1.33,  99.90,   3.88,   0.35,
10/20 02Z,   2.30,   1.02,  99.90,   3.67,   0.35,  (min)
10/20 03Z,   2.30,   1.05,  99.90,   3.70,   0.35,
10/20 04Z,   2.30,   1.36,  99.90,   4.01,   0.35,
10/20 05Z,   2.30,   1.88,  99.90,   4.53,   0.35,
10/20 06Z,   2.40,   2.50,  99.90,   5.24,   0.35,
10/20 07Z,   2.40,   3.04,  99.90,   5.79,   0.35,
10/20 08Z,   2.40,   3.33,  99.90,   6.08,   0.35,  (max)
10/20 09Z,   2.40,   3.31,  99.90,   6.06,   0.35,
10/20 10Z,   2.40,   3.01,  99.90,   5.76,   0.35,
10/20 11Z,   2.40,   2.50,  99.90,   5.25,   0.35,
10/20 12Z,   2.40,   1.88,  99.90,   4.62,   0.35,
10/20 13Z,   2.40,   1.32,  99.90,   4.07,   0.35,
10/20 14Z,   2.50,   1.04,  99.90,   3.89,   0.35,  (min)
10/20 15Z,   2.60,   1.11,  99.90,   4.06,   0.35,
10/20 16Z,   2.60,   1.49,  99.90,   4.44,   0.35,
10/20 17Z,   2.60,   2.09,  99.90,   5.04,   0.35,
10/20 18Z,   2.70,   2.84,  99.90,   5.88,   0.35,
10/20 19Z,   2.70,   3.55,  99.90,   6.60,   0.35,  0.51 ft above HAT
10/20 20Z,   2.80,   4.05,  99.90,   7.20,   0.35,  1.11 ft above HAT
10/20 21Z,   2.90,   4.18,  99.90,   7.43,   0.35,  1.34 ft above HAT  (max)
10/20 22Z,   2.80,   3.94,  99.90,   7.09,   0.35,  1.00 ft above HAT
10/20 23Z,   2.80,   3.38,  99.90,   6.53,   0.35,  0.44 ft above HAT
10/21 00Z,   2.80,   2.59,  99.90,   5.74,   0.35,
10/21 01Z,   2.90,   1.76,  99.90,   5.01,   0.35,
10/21 02Z,   2.80,   1.11,  99.90,   4.26,   0.35,
10/21 03Z,   2.80,   0.84,  99.90,   3.99,   0.35,  (min)
10/21 04Z,   2.90,   0.94,  99.90,   4.19,   0.35,
10/21 05Z,   2.90,   1.35,  99.90,   4.60,   0.35,
10/21 06Z,   2.90,   1.98,  99.90,   5.23,   0.35,
10/21 07Z,   3.00,   2.70,  99.90,   6.05,   0.35,
10/21 08Z,   3.00,   3.30,  99.90,   6.65,   0.35,  0.56 ft above HAT
10/21 09Z,   3.00,   3.60,  99.90,   6.95,   0.35,  0.86 ft above HAT  (max)
10/21 10Z,   3.00,   3.55,  99.90,   6.90,   0.35,  0.81 ft above HAT
10/21 11Z,   3.00,   3.18,  99.90,   6.52,   0.35,  0.43 ft above HAT
10/21 12Z,   3.00,   2.55,  99.90,   5.90,   0.35,
10/21 13Z,   3.00,   1.81,  99.90,   5.15,   0.35,
10/21 14Z,   3.00,   1.17,  99.90,   4.52,   0.35,
10/21 15Z,   3.00,   0.86,  99.90,   4.21,   0.35,
10/21 16Z,   2.90,   0.95,  99.90,   4.20,   0.35,  (min)
10/21 17Z,   2.90,   1.39,  99.90,   4.64,   0.35,
10/21 18Z,   2.90,   2.08,  99.90,   5.33,   0.35,
10/21 19Z,  99.90,   2.90,  99.90,  99.90,   0.35,
10/21 20Z,  99.90,   3.67,  99.90,  99.90,   0.35,
10/21 21Z,  99.90,   4.16,  99.90,  99.90,   0.35,
10/21 22Z,  99.90,   4.24,  99.90,  99.90,   0.35,
10/21 23Z,  99.90,   3.92,  99.90,  99.90,   0.35,
10/22 00Z,  99.90,   3.25,  99.90,  99.90,   0.35,