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 : 09/05/2026 14:22:56 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/03 18Z,   0.60,  -1.21,  -0.51,  99.90,   0.10,  (max)
09/03 19Z,   0.60,  -1.49,  -0.77,  99.90,   0.12,
09/03 20Z,   0.60,  -2.17,  -1.62,  99.90,  -0.05,
09/03 21Z,   0.60,  -3.14,  -2.55,  99.90,  -0.01,
09/03 22Z,   0.50,  -4.19,  -3.49,  99.90,   0.20,
09/03 23Z,   0.50,  -5.05,  -4.26,  99.90,   0.29,
09/04 00Z,   0.50,  -5.48,  -4.60,  99.90,   0.38,
09/04 01Z,   0.50,  -5.39,  -4.62,  99.90,   0.27,  (min)
09/04 02Z,   0.50,  -4.91,  -4.19,  99.90,   0.22,
09/04 03Z,   0.50,  -4.21,  -3.50,  99.90,   0.21,
09/04 04Z,   0.40,  -3.46,  -2.63,  99.90,   0.43,
09/04 05Z,   0.40,  -2.82,  -1.92,  99.90,   0.50,
09/04 06Z,   0.40,  -2.49,  -1.59,  99.90,   0.50,  (max)
09/04 07Z,   0.40,  -2.55,  -1.89,  99.90,   0.26,
09/04 08Z,   0.40,  -2.98,  -2.16,  99.90,   0.42,
09/04 09Z,   0.40,  -3.69,  -3.06,  99.90,   0.23,
09/04 10Z,   0.40,  -4.53,  -4.08,  99.90,   0.05,
09/04 11Z,   0.40,  -5.29,  -4.39,  99.90,   0.50,
09/04 12Z,   0.40,  -5.69,  -4.87,  99.90,   0.42,  (min)
09/04 13Z,   0.40,  -5.57,  -4.80,  99.90,   0.37,
09/04 14Z,   0.40,  -4.96,  -4.10,  99.90,   0.46,
09/04 15Z,   0.40,  -4.06,  -3.30,  99.90,   0.36,
09/04 16Z,   0.40,  -3.06,  -2.36,  99.90,   0.30,
09/04 17Z,   0.40,  -2.13,  -1.18,  99.90,   0.55,
09/04 18Z,   0.50,  -1.47,  -0.71,  99.90,   0.26,
09/04 19Z,   0.60,  -1.24,  -0.46,  99.90,   0.18,  (max)
09/04 20Z,   0.60,  -1.47,  -0.84,  99.90,   0.03,
09/04 21Z,   0.60,  -2.10,  -1.15,  99.90,   0.35,
09/04 22Z,   0.60,  -3.01,  -2.01,  99.90,   0.40,
09/04 23Z,   0.60,  -4.04,  -2.93,  99.90,   0.51,
09/05 00Z,   0.70,  -4.91,  -3.76,  99.90,   0.45,
09/05 01Z,   0.70,  -5.38,  -4.26,  99.90,   0.42,  (min)
09/05 02Z,   0.60,  -5.36,  -4.22,  99.90,   0.54,
09/05 03Z,   0.60,  -4.96,  -3.84,  99.90,   0.52,
09/05 04Z,   0.60,  -4.33,  -3.18,  99.90,   0.55,
09/05 05Z,   0.60,  -3.62,  -2.45,  99.90,   0.57,
09/05 06Z,   0.60,  -2.99,  -1.90,  99.90,   0.49,
09/05 07Z,   0.60,  -2.63,  -1.56,  99.90,   0.47,  (max)
09/05 08Z,   0.60,  -2.63,  -1.65,  99.90,   0.38,
09/05 09Z,   0.70,  -2.98,  -1.94,  99.90,   0.34,
09/05 10Z,   0.70,  -3.62,  -2.65,  99.90,   0.27,
09/05 11Z,   0.80,  -4.43,  -3.53,  99.90,   0.10,
09/05 12Z,   0.80,  -5.18,  -4.16,  99.90,   0.22,
09/05 13Z,   0.80,  -5.61,  -4.46,  99.90,   0.35,  (min)
09/05 14Z,   0.80,  -5.54,  -4.40,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/05 15Z,   0.80,  -5.00,  99.90,  -3.87,   0.33,
09/05 16Z,   0.80,  -4.15,  99.90,  -3.02,   0.33,
09/05 17Z,   0.90,  -3.17,  99.90,  -1.94,   0.33,
09/05 18Z,   0.80,  -2.22,  99.90,  -1.10,   0.33,
09/05 19Z,   0.90,  -1.52,  99.90,  -0.30,   0.33,
09/05 20Z,   0.90,  -1.23,  99.90,  -0.01,   0.32,  (max)
09/05 21Z,   0.90,  -1.39,  99.90,  -0.17,   0.32,
09/05 22Z,   0.90,  -1.95,  99.90,  -0.73,   0.32,
09/05 23Z,   0.90,  -2.84,  99.90,  -1.63,   0.32,
09/06 00Z,   0.90,  -3.89,  99.90,  -2.68,   0.31,
09/06 01Z,   0.90,  -4.82,  99.90,  -3.61,   0.31,
09/06 02Z,   0.90,  -5.36,  99.90,  -4.15,   0.31,
09/06 03Z,   0.90,  -5.43,  99.90,  -4.22,   0.31,  (min)
09/06 04Z,   0.80,  -5.10,  99.90,  -3.99,   0.31,
09/06 05Z,   0.80,  -4.49,  99.90,  -3.38,   0.31,
09/06 06Z,   0.90,  -3.76,  99.90,  -2.55,   0.31,
09/06 07Z,   0.90,  -3.07,  99.90,  -1.86,   0.31,
09/06 08Z,   0.90,  -2.64,  99.90,  -1.43,   0.31,
09/06 09Z,   1.00,  -2.56,  99.90,  -1.25,   0.31,  (max)
09/06 10Z,   1.00,  -2.85,  99.90,  -1.54,   0.31,
09/06 11Z,   1.00,  -3.46,  99.90,  -2.15,   0.31,
09/06 12Z,   1.00,  -4.28,  99.90,  -2.98,   0.31,
09/06 13Z,   1.00,  -5.10,  99.90,  -3.79,   0.31,
09/06 14Z,   1.00,  -5.61,  99.90,  -4.30,   0.31,  (min)
09/06 15Z,   1.10,  -5.62,  99.90,  -4.21,   0.31,
09/06 16Z,   1.10,  -5.15,  99.90,  -3.74,   0.31,
09/06 17Z,   1.10,  -4.33,  99.90,  -2.92,   0.31,
09/06 18Z,   1.10,  -3.32,  99.90,  -1.91,   0.31,
09/06 19Z,   1.20,  -2.31,  99.90,  -0.80,   0.31,
09/06 20Z,   1.20,  -1.54,  99.90,  -0.03,   0.31,
09/06 21Z,   1.20,  -1.17,  99.90,   0.34,   0.31,  (max)
09/06 22Z,   1.20,  -1.25,  99.90,   0.26,   0.31,
09/06 23Z,   1.20,  -1.78,  99.90,  -0.27,   0.31,
09/07 00Z,   1.20,  -2.69,  99.90,  -1.19,   0.31,
09/07 01Z,   1.10,  -3.81,  99.90,  -2.40,   0.31,
09/07 02Z,   1.10,  -4.83,  99.90,  -3.42,   0.31,
09/07 03Z,   1.10,  -5.46,  99.90,  -4.05,   0.31,
09/07 04Z,   1.10,  -5.59,  99.90,  -4.18,   0.31,  (min)
09/07 05Z,   1.00,  -5.27,  99.90,  -3.96,   0.31,
09/07 06Z,   1.00,  -4.63,  99.90,  -3.32,   0.31,
09/07 07Z,   0.90,  -3.81,  99.90,  -2.61,   0.31,
09/07 08Z,   0.90,  -3.04,  99.90,  -1.83,   0.31,
09/07 09Z,   0.90,  -2.51,  99.90,  -1.30,   0.31,
09/07 10Z,   0.90,  -2.36,  99.90,  -1.15,   0.31,  (max)
09/07 11Z,   0.80,  -2.61,  99.90,  -1.50,   0.31,
09/07 12Z,   0.80,  -3.25,  99.90,  -2.14,   0.31,
09/07 13Z,   0.80,  -4.16,  99.90,  -3.05,   0.31,
09/07 14Z,   0.80,  -5.09,  99.90,  -3.98,   0.31,
09/07 15Z,   0.80,  -5.70,  99.90,  -4.59,   0.31,
09/07 16Z,   0.80,  -5.78,  99.90,  -4.67,   0.31,  (min)
09/07 17Z,   0.80,  -5.35,  99.90,  -4.24,   0.31,
09/07 18Z,   0.80,  -4.51,  99.90,  -3.40,   0.31,
09/07 19Z,   0.80,  -3.44,  99.90,  -2.33,   0.31,
09/07 20Z,   0.80,  -2.35,  99.90,  -1.24,   0.31,
09/07 21Z,   0.80,  -1.49,  99.90,  -0.38,   0.31,
09/07 22Z,   0.80,  -1.05,  99.90,   0.06,   0.31,  (max)
09/07 23Z,   0.80,  -1.10,  99.90,   0.00,   0.31,
09/08 00Z,   0.80,  -1.65,  99.90,  -0.55,   0.31,
09/08 01Z,   0.70,  -2.64,  99.90,  -1.63,   0.31,
09/08 02Z,   0.70,  -3.86,  99.90,  -2.85,   0.31,
09/08 03Z,   0.60,  -4.97,  99.90,  -4.06,   0.31,
09/08 04Z,   0.50,  -5.64,  99.90,  -4.84,   0.31,
09/08 05Z,   0.50,  -5.78,  99.90,  -4.97,   0.31,  (min)
09/08 06Z,   0.50,  -5.42,  99.90,  -4.61,   0.31,
09/08 07Z,   0.40,  -4.68,  99.90,  -3.97,   0.31,
09/08 08Z,   0.40,  -3.75,  99.90,  -3.04,   0.31,
09/08 09Z,   0.40,  -2.87,  99.90,  -2.16,   0.31,
09/08 10Z,   0.30,  -2.26,  99.90,  -1.65,   0.31,
09/08 11Z,   0.30,  -2.07,  99.90,  -1.47,   0.31,  (max)
09/08 12Z,   0.30,  -2.35,  99.90,  -1.74,   0.31,
09/08 13Z,   0.30,  -3.08,  99.90,  -2.47,   0.31,
09/08 14Z,   0.20,  -4.12,  99.90,  -3.61,   0.31,
09/08 15Z,   0.20,  -5.16,  99.90,  -4.65,   0.31,
09/08 16Z,   0.20,  -5.85,  99.90,  -5.34,   0.31,
09/08 17Z,   0.20,  -5.98,  99.90,  -5.47,   0.31,  (min)
09/08 18Z,   0.30,  -5.53,  99.90,  -4.92,   0.31,
09/08 19Z,   0.30,  -4.64,  99.90,  -4.03,   0.31,
09/08 20Z,   0.30,  -3.48,  99.90,  -2.87,   0.31,
09/08 21Z,   0.30,  -2.31,  99.90,  -1.70,   0.31,
09/08 22Z,   0.30,  -1.40,  99.90,  -0.79,   0.31,
09/08 23Z,   0.30,  -0.94,  99.90,  -0.33,   0.31,  (max)
09/09 00Z,   0.30,  -1.01,  99.90,  -0.40,   0.31,
09/09 01Z,   0.30,  -1.64,  99.90,  -1.03,   0.31,
09/09 02Z,   0.20,  -2.74,  99.90,  -2.23,   0.31,
09/09 03Z,   0.20,  -4.06,  99.90,  -3.55,   0.31,
09/09 04Z,   0.20,  -5.21,  99.90,  -4.70,   0.31,
09/09 05Z,   0.20,  -5.88,  99.90,  -5.37,   0.31,
09/09 06Z,   0.20,  -5.95,  99.90,  -5.44,   0.31,