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 : 10/06/2026 21:22:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/05 06Z,   1.10,   2.49,   4.01,  99.90,   0.42,
10/05 07Z,   1.10,   3.20,   4.60,  99.90,   0.30,
10/05 08Z,   1.00,   3.63,   5.03,  99.90,   0.40,
10/05 09Z,   1.00,   3.70,   5.14,  99.90,   0.44,  (max)
10/05 10Z,   1.00,   3.38,   4.63,  99.90,   0.25,
10/05 11Z,   0.90,   2.71,   3.91,  99.90,   0.30,
10/05 12Z,   0.90,   1.83,   3.06,  99.90,   0.33,
10/05 13Z,   0.90,   1.02,   2.21,  99.90,   0.29,
10/05 14Z,   0.80,   0.56,   1.68,  99.90,   0.32,
10/05 15Z,   0.80,   0.59,   1.62,  99.90,   0.23,  (min)
10/05 16Z,   0.80,   1.06,   1.98,  99.90,   0.12,
10/05 17Z,   0.70,   1.87,   2.80,  99.90,   0.23,
10/05 18Z,   0.70,   2.86,   3.83,  99.90,   0.27,
10/05 19Z,   0.70,   3.82,   4.69,  99.90,   0.17,
10/05 20Z,   0.70,   4.51,   5.28,  99.90,   0.07,
10/05 21Z,   0.60,   4.80,   5.44,  99.90,   0.04,  (max)
10/05 22Z,   0.50,   4.64,   5.15,  99.90,   0.01,
10/05 23Z,   0.50,   4.03,   4.55,  99.90,   0.02,
10/06 00Z,   0.50,   3.05,   3.44,  99.90,  -0.11,
10/06 01Z,   0.50,   1.93,   2.30,  99.90,  -0.13,
10/06 02Z,   0.50,   0.99,   1.46,  99.90,  -0.03,
10/06 03Z,   0.50,   0.49,   0.94,  99.90,  -0.05,  (min)
10/06 04Z,   0.50,   0.48,   1.04,  99.90,   0.06,
10/06 05Z,   0.50,   0.91,   1.55,  99.90,   0.14,
10/06 06Z,   0.40,   1.65,   2.21,  99.90,   0.16,
10/06 07Z,   0.40,   2.54,   3.06,  99.90,   0.12,
10/06 08Z,   0.40,   3.35,   3.87,  99.90,   0.12,
10/06 09Z,   0.40,   3.85,   4.31,  99.90,   0.06,
10/06 10Z,   0.50,   3.97,   4.46,  99.90,  -0.01,  (max)
10/06 11Z,   0.50,   3.65,   4.13,  99.90,  -0.02,
10/06 12Z,   0.30,   2.92,   3.40,  99.90,   0.18,
10/06 13Z,   0.40,   1.94,   2.50,  99.90,   0.16,
10/06 14Z,   0.40,   1.01,   1.56,  99.90,   0.15,
10/06 15Z,   0.30,   0.46,   1.08,  99.90,   0.32,
10/06 16Z,   0.30,   0.42,   1.06,  99.90,   0.34,  (min)
10/06 17Z,   0.30,   0.87,   1.42,  99.90,   0.25,
10/06 18Z,   0.30,   1.70,   2.21,  99.90,   0.21,
10/06 19Z,   0.30,   2.74,   3.22,  99.90,   0.18,
10/06 20Z,   0.30,   3.76,   4.12,  99.90,   0.06,
10/06 21Z,   0.30,   4.51,   4.82,  99.90,   0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/06 22Z,   0.30,   4.83,  99.90,   5.17,   0.04,  (max)
10/06 23Z,   0.30,   4.67,  99.90,   5.03,   0.06,
10/07 00Z,   0.30,   4.02,  99.90,   4.41,   0.09,
10/07 01Z,   0.20,   2.96,  99.90,   3.28,   0.11,
10/07 02Z,   0.20,   1.78,  99.90,   2.11,   0.14,
10/07 03Z,   0.20,   0.81,  99.90,   1.17,   0.16,
10/07 04Z,   0.20,   0.31,  99.90,   0.69,   0.19,  (min)
10/07 05Z,   0.20,   0.34,  99.90,   0.76,   0.21,
10/07 06Z,   0.20,   0.86,  99.90,   1.30,   0.24,
10/07 07Z,   0.20,   1.72,  99.90,   2.19,   0.26,
10/07 08Z,   0.20,   2.73,  99.90,   3.22,   0.29,
10/07 09Z,   0.20,   3.62,  99.90,   4.13,   0.31,
10/07 10Z,   0.20,   4.17,  99.90,   4.68,   0.31,
10/07 11Z,   0.20,   4.28,  99.90,   4.79,   0.31,  (max)
10/07 12Z,   0.20,   3.89,  99.90,   4.40,   0.31,
10/07 13Z,   0.20,   3.05,  99.90,   3.56,   0.31,
10/07 14Z,   0.20,   1.94,  99.90,   2.45,   0.31,
10/07 15Z,   0.10,   0.91,  99.90,   1.32,   0.31,
10/07 16Z,   0.10,   0.30,  99.90,   0.71,   0.31,
10/07 17Z,   0.10,   0.25,  99.90,   0.66,   0.31,  (min)
10/07 18Z,   0.20,   0.73,  99.90,   1.24,   0.31,
10/07 19Z,   0.20,   1.62,  99.90,   2.14,   0.31,
10/07 20Z,   0.20,   2.73,  99.90,   3.25,   0.31,
10/07 21Z,   0.20,   3.79,  99.90,   4.31,   0.31,
10/07 22Z,   0.20,   4.55,  99.90,   5.06,   0.31,
10/07 23Z,   0.20,   4.85,  99.90,   5.36,   0.31,  (max)
10/08 00Z,   0.20,   4.63,  99.90,   5.14,   0.31,
10/08 01Z,   0.10,   3.88,  99.90,   4.29,   0.31,
10/08 02Z,   0.10,   2.74,  99.90,   3.15,   0.31,
10/08 03Z,   0.10,   1.50,  99.90,   1.91,   0.31,
10/08 04Z,   0.00,   0.54,  99.90,   0.86,   0.31,
10/08 05Z,   0.00,   0.12,  99.90,   0.43,   0.31,  (min)
10/08 06Z,   0.00,   0.27,  99.90,   0.59,   0.31,
10/08 07Z,   0.00,   0.93,  99.90,   1.25,   0.31,
10/08 08Z,   0.00,   1.94,  99.90,   2.26,   0.31,
10/08 09Z,   0.00,   3.05,  99.90,   3.37,   0.31,
10/08 10Z,   0.00,   3.98,  99.90,   4.30,   0.31,
10/08 11Z,   0.00,   4.51,  99.90,   4.83,   0.31,
10/08 12Z,   0.00,   4.54,  99.90,   4.86,   0.31,  (max)
10/08 13Z,   0.00,   4.03,  99.90,   4.35,   0.31,
10/08 14Z,   0.00,   3.04,  99.90,   3.36,   0.31,
10/08 15Z,  -0.10,   1.81,  99.90,   2.03,   0.31,
10/08 16Z,  -0.10,   0.73,  99.90,   0.95,   0.31,
10/08 17Z,  -0.10,   0.13,  99.90,   0.35,   0.31,  (min)
10/08 18Z,   0.00,   0.13,  99.90,   0.45,   0.31,
10/08 19Z,   0.00,   0.69,  99.90,   1.00,   0.31,
10/08 20Z,   0.00,   1.66,  99.90,   1.98,   0.31,
10/08 21Z,   0.00,   2.83,  99.90,   3.14,   0.31,
10/08 22Z,   0.00,   3.89,  99.90,   4.20,   0.31,
10/08 23Z,   0.00,   4.59,  99.90,   4.90,   0.31,
10/09 00Z,   0.00,   4.80,  99.90,   5.11,   0.31,  (max)
10/09 01Z,   0.00,   4.46,  99.90,   4.78,   0.31,
10/09 02Z,   0.00,   3.60,  99.90,   3.91,   0.31,
10/09 03Z,   0.00,   2.38,  99.90,   2.69,   0.31,
10/09 04Z,   0.00,   1.14,  99.90,   1.46,   0.31,
10/09 05Z,   0.00,   0.28,  99.90,   0.59,   0.31,
10/09 06Z,   0.00,   0.00,  99.90,   0.32,   0.31,  (min)
10/09 07Z,   0.00,   0.33,  99.90,   0.65,   0.31,
10/09 08Z,   0.00,   1.16,  99.90,   1.47,   0.31,
10/09 09Z,   0.00,   2.30,  99.90,   2.61,   0.31,
10/09 10Z,   0.00,   3.47,  99.90,   3.78,   0.31,
10/09 11Z,   0.00,   4.37,  99.90,   4.69,   0.31,
10/09 12Z,   0.00,   4.81,  99.90,   5.13,   0.31,  (max)
10/09 13Z,   0.10,   4.71,  99.90,   5.12,   0.31,
10/09 14Z,   0.10,   4.03,  99.90,   4.44,   0.31,
10/09 15Z,   0.10,   2.90,  99.90,   3.31,   0.31,
10/09 16Z,   0.00,   1.59,  99.90,   1.90,   0.31,
10/09 17Z,   0.10,   0.53,  99.90,   0.94,   0.31,
10/09 18Z,   0.10,   0.00,  99.90,   0.42,   0.31,  (min)
10/09 19Z,   0.10,   0.11,  99.90,   0.53,   0.31,
10/09 20Z,   0.10,   0.77,  99.90,   1.19,   0.31,
10/09 21Z,   0.10,   1.82,  99.90,   2.23,   0.31,
10/09 22Z,   0.10,   2.99,  99.90,   3.40,   0.31,
10/09 23Z,   0.10,   3.99,  99.90,   4.40,   0.31,
10/10 00Z,   0.00,   4.58,  99.90,   4.90,   0.31,
10/10 01Z,   0.00,   4.65,  99.90,   4.96,   0.31,  (max)
10/10 02Z,   0.00,   4.17,  99.90,   4.48,   0.31,
10/10 03Z,   0.00,   3.20,  99.90,   3.51,   0.31,
10/10 04Z,   0.00,   1.94,  99.90,   2.26,   0.31,
10/10 05Z,   0.00,   0.79,  99.90,   1.10,   0.31,
10/10 06Z,   0.00,   0.09,  99.90,   0.40,   0.31,
10/10 07Z,   0.00,   0.02,  99.90,   0.33,   0.31,  (min)
10/10 08Z,   0.00,   0.55,  99.90,   0.86,   0.31,
10/10 09Z,   0.00,   1.53,  99.90,   1.85,   0.31,
10/10 10Z,   0.00,   2.75,  99.90,   3.07,   0.31,
10/10 11Z,   0.00,   3.91,  99.90,   4.22,   0.31,
10/10 12Z,   0.00,   4.72,  99.90,   5.03,   0.31,
10/10 13Z,  99.90,   5.00,  99.90,  99.90,   0.31,
10/10 14Z,  99.90,   4.71,  99.90,  99.90,   0.31,
10/10 15Z,  99.90,   3.87,  99.90,  99.90,   0.31,
10/10 16Z,  99.90,   2.63,  99.90,  99.90,   0.31,
10/10 17Z,  99.90,   1.31,  99.90,  99.90,   0.31,
10/10 18Z,  99.90,   0.34,  99.90,  99.90,   0.31,