EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
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 : 05/17/2025 05:22:14 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 12Z,   0.60,   1.74,   2.37,  99.90,   0.03,
05/15 13Z,   0.60,   2.51,   3.11,  99.90,   0.00,
05/15 14Z,   0.60,   3.13,   3.74,  99.90,   0.01,
05/15 15Z,   0.60,   3.41,   3.93,  99.90,  -0.08,  (max)
05/15 16Z,   0.60,   3.28,   3.91,  99.90,   0.03,
05/15 17Z,   0.60,   2.78,   3.45,  99.90,   0.07,
05/15 18Z,   0.60,   2.05,   2.61,  99.90,  -0.04,
05/15 19Z,   0.60,   1.27,   1.87,  99.90,   0.00,
05/15 20Z,   0.60,   0.68,   1.28,  99.90,   0.00,
05/15 21Z,   0.60,   0.51,   1.12,  99.90,   0.01,  (min)
05/15 22Z,   0.60,   0.85,   1.49,  99.90,   0.04,
05/15 23Z,   0.60,   1.56,   2.07,  99.90,  -0.09,
05/16 00Z,   0.60,   2.46,   2.93,  99.90,  -0.13,
05/16 01Z,   0.60,   3.40,   3.99,  99.90,  -0.01,
05/16 02Z,   0.60,   4.20,   4.82,  99.90,   0.02,
05/16 03Z,   0.60,   4.65,   5.22,  99.90,  -0.03,
05/16 04Z,   0.60,   4.63,   5.24,  99.90,   0.01,  (max)
05/16 05Z,   0.60,   4.13,   4.72,  99.90,  -0.01,
05/16 06Z,   0.60,   3.27,   3.91,  99.90,   0.04,
05/16 07Z,   0.60,   2.23,   2.92,  99.90,   0.09,
05/16 08Z,   0.60,   1.23,   1.98,  99.90,   0.15,
05/16 09Z,   0.60,   0.57,   1.29,  99.90,   0.12,
05/16 10Z,   0.60,   0.40,   1.12,  99.90,   0.12,  (min)
05/16 11Z,   0.60,   0.70,   1.32,  99.90,   0.02,
05/16 12Z,   0.60,   1.28,   1.87,  99.90,  -0.01,
05/16 13Z,   0.60,   2.00,   2.62,  99.90,   0.02,
05/16 14Z,   0.60,   2.70,   3.33,  99.90,   0.03,
05/16 15Z,   0.70,   3.21,   3.76,  99.90,  -0.15,
05/16 16Z,   0.70,   3.35,   3.83,  99.90,  -0.22,  (max)
05/16 17Z,   0.70,   3.10,   3.82,  99.90,   0.02,
05/16 18Z,   0.70,   2.54,   3.21,  99.90,  -0.03,
05/16 19Z,   0.70,   1.80,   2.79,  99.90,   0.29,
05/16 20Z,   0.70,   1.08,   1.84,  99.90,   0.06,
05/16 21Z,   0.70,   0.62,   1.28,  99.90,  -0.04,
05/16 22Z,   0.70,   0.62,   1.09,  99.90,  -0.23,  (min)
05/16 23Z,   0.80,   1.07,   1.77,  99.90,  -0.10,
05/17 00Z,   0.50,   1.84,   2.88,  99.90,   0.54,
05/17 01Z,   0.40,   2.74,   3.46,  99.90,   0.32,
05/17 02Z,   0.60,   3.62,   4.32,  99.90,   0.10,
05/17 03Z,   0.60,   4.30,   4.77,  99.90,  -0.13,
05/17 04Z,   0.50,   4.61,   5.20,  99.90,   0.09,  (max)
05/17 05Z,   0.60,   4.45,   5.12,  99.90,   0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 06Z,   0.70,   3.86,  99.90,   4.62,   0.06,
05/17 07Z,   0.70,   2.96,  99.90,   3.71,   0.05,
05/17 08Z,   0.70,   1.95,  99.90,   2.69,   0.04,
05/17 09Z,   0.60,   1.05,  99.90,   1.68,   0.03,
05/17 10Z,   0.60,   0.53,  99.90,   1.15,   0.02,
05/17 11Z,   0.60,   0.50,  99.90,   1.11,   0.01,  (min)
05/17 12Z,   0.60,   0.88,  99.90,   1.49,   0.00,
05/17 13Z,   0.60,   1.50,  99.90,   2.10,  -0.01,
05/17 14Z,   0.60,   2.20,  99.90,   2.79,  -0.02,
05/17 15Z,   0.70,   2.84,  99.90,   3.52,  -0.02,
05/17 16Z,   0.70,   3.26,  99.90,   3.92,  -0.03,
05/17 17Z,   0.70,   3.30,  99.90,   3.96,  -0.04,  (max)
05/17 18Z,   0.70,   2.97,  99.90,   3.63,  -0.04,
05/17 19Z,   0.70,   2.37,  99.90,   3.03,  -0.04,
05/17 20Z,   0.60,   1.64,  99.90,   2.20,  -0.04,
05/17 21Z,   0.60,   0.99,  99.90,   1.54,  -0.04,
05/17 22Z,   0.70,   0.63,  99.90,   1.29,  -0.04,  (min)
05/17 23Z,   0.70,   0.73,  99.90,   1.39,  -0.04,
05/18 00Z,   0.70,   1.26,  99.90,   1.92,  -0.04,
05/18 01Z,   0.80,   2.05,  99.90,   2.81,  -0.04,
05/18 02Z,   0.80,   2.92,  99.90,   3.68,  -0.04,
05/18 03Z,   0.70,   3.74,  99.90,   4.40,  -0.04,
05/18 04Z,   0.60,   4.33,  99.90,   4.89,  -0.04,
05/18 05Z,   0.50,   4.54,  99.90,   4.99,  -0.04,  (max)
05/18 06Z,   0.40,   4.28,  99.90,   4.64,  -0.04,
05/18 07Z,   0.50,   3.63,  99.90,   4.09,  -0.04,
05/18 08Z,   0.60,   2.72,  99.90,   3.28,  -0.04,
05/18 09Z,   0.60,   1.74,  99.90,   2.30,  -0.04,
05/18 10Z,   0.60,   0.92,  99.90,   1.48,  -0.04,
05/18 11Z,   0.60,   0.51,  99.90,   1.07,  -0.04,  (min)
05/18 12Z,   0.60,   0.58,  99.90,   1.14,  -0.04,
05/18 13Z,   0.50,   1.02,  99.90,   1.48,  -0.04,
05/18 14Z,   0.40,   1.67,  99.90,   2.02,  -0.04,
05/18 15Z,   0.30,   2.36,  99.90,   2.62,  -0.04,
05/18 16Z,   0.30,   2.97,  99.90,   3.23,  -0.04,
05/18 17Z,   0.30,   3.32,  99.90,   3.58,  -0.04,  (max)
05/18 18Z,   0.20,   3.30,  99.90,   3.46,  -0.04,
05/18 19Z,   0.20,   2.92,  99.90,   3.08,  -0.04,
05/18 20Z,   0.20,   2.30,  99.90,   2.46,  -0.04,
05/18 21Z,   0.20,   1.58,  99.90,   1.74,  -0.04,
05/18 22Z,   0.20,   0.96,  99.90,   1.11,  -0.04,
05/18 23Z,   0.20,   0.65,  99.90,   0.81,  -0.04,  (min)
05/19 00Z,   0.30,   0.80,  99.90,   1.06,  -0.04,
05/19 01Z,   0.20,   1.36,  99.90,   1.52,  -0.04,
05/19 02Z,   0.20,   2.15,  99.90,   2.31,  -0.04,
05/19 03Z,   0.20,   3.00,  99.90,   3.16,  -0.04,
05/19 04Z,   0.20,   3.78,  99.90,   3.94,  -0.04,
05/19 05Z,   0.20,   4.31,  99.90,   4.47,  -0.04,
05/19 06Z,   0.10,   4.44,  99.90,   4.50,  -0.04,  (max)
05/19 07Z,   0.10,   4.13,  99.90,   4.19,  -0.04,
05/19 08Z,   0.00,   3.45,  99.90,   3.40,  -0.04,
05/19 09Z,   0.10,   2.53,  99.90,   2.59,  -0.04,
05/19 10Z,   0.10,   1.57,  99.90,   1.63,  -0.04,
05/19 11Z,   0.20,   0.81,  99.90,   0.96,  -0.04,
05/19 12Z,   0.30,   0.47,  99.90,   0.72,  -0.04,  (min)
05/19 13Z,   0.30,   0.60,  99.90,   0.86,  -0.04,
05/19 14Z,   0.30,   1.10,  99.90,   1.36,  -0.04,
05/19 15Z,   0.30,   1.78,  99.90,   2.04,  -0.04,
05/19 16Z,   0.30,   2.50,  99.90,   2.76,  -0.04,
05/19 17Z,   0.30,   3.12,  99.90,   3.37,  -0.04,
05/19 18Z,   0.30,   3.45,  99.90,   3.71,  -0.04,
05/19 19Z,   0.40,   3.40,  99.90,   3.75,  -0.04,  (max)
05/19 20Z,   0.50,   2.99,  99.90,   3.45,  -0.04,
05/19 21Z,   0.50,   2.34,  99.90,   2.80,  -0.04,
05/19 22Z,   0.50,   1.60,  99.90,   2.05,  -0.04,
05/19 23Z,   0.50,   0.96,  99.90,   1.42,  -0.04,
05/20 00Z,   0.50,   0.65,  99.90,   1.11,  -0.04,  (min)
05/20 01Z,   0.40,   0.81,  99.90,   1.17,  -0.04,
05/20 02Z,   0.50,   1.36,  99.90,   1.82,  -0.04,
05/20 03Z,   0.50,   2.15,  99.90,   2.60,  -0.04,
05/20 04Z,   0.60,   2.99,  99.90,   3.55,  -0.04,
05/20 05Z,   0.70,   3.76,  99.90,   4.42,  -0.04,
05/20 06Z,   0.70,   4.27,  99.90,   4.92,  -0.04,
05/20 07Z,   0.70,   4.36,  99.90,   5.02,  -0.04,  (max)
05/20 08Z,   0.70,   4.01,  99.90,   4.67,  -0.04,
05/20 09Z,   0.80,   3.31,  99.90,   4.07,  -0.04,
05/20 10Z,   0.80,   2.38,  99.90,   3.13,  -0.04,
05/20 11Z,   0.80,   1.41,  99.90,   2.17,  -0.04,
05/20 12Z,   0.90,   0.67,  99.90,   1.53,  -0.04,
05/20 13Z,   0.80,   0.37,  99.90,   1.13,  -0.04,  (min)
05/20 14Z,   0.80,   0.57,  99.90,   1.32,  -0.04,
05/20 15Z,   0.80,   1.13,  99.90,   1.88,  -0.04,
05/20 16Z,   0.80,   1.88,  99.90,   2.63,  -0.04,
05/20 17Z,   0.90,   2.67,  99.90,   3.53,  -0.04,
05/20 18Z,   0.90,   3.33,  99.90,   4.18,  -0.04,
05/20 19Z,   0.90,   3.67,  99.90,   4.53,  -0.04,  (max)
05/20 20Z,   0.90,   3.61,  99.90,   4.46,  -0.04,
05/20 21Z,   0.90,   3.17,  99.90,   4.03,  -0.04,
05/20 22Z,   0.90,   2.47,  99.90,   3.33,  -0.04,
05/20 23Z,   0.90,   1.66,  99.90,   2.52,  -0.04,
05/21 00Z,   1.00,   0.96,  99.90,   1.91,  -0.04,