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
#Nantucket Island, MA : 09/11/2026 10:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/09 18Z,   0.40,   1.97,   2.47,  99.90,   0.10,
09/09 19Z,   0.40,   1.11,   1.70,  99.90,   0.19,
09/09 20Z,   0.40,   0.40,   0.98,  99.90,   0.18,
09/09 21Z,   0.50,   0.17,   0.80,  99.90,   0.13,  (min)
09/09 22Z,   0.50,   0.47,   1.14,  99.90,   0.17,
09/09 23Z,   0.50,   1.10,   1.77,  99.90,   0.17,
09/10 00Z,   0.50,   1.84,   2.52,  99.90,   0.18,
09/10 01Z,   0.50,   2.60,   3.25,  99.90,   0.15,
09/10 02Z,   0.40,   3.30,   3.95,  99.90,   0.25,
09/10 03Z,   0.40,   3.77,   4.44,  99.90,   0.27,
09/10 04Z,   0.40,   3.85,   4.53,  99.90,   0.28,  (max)
09/10 05Z,   0.40,   3.52,   4.14,  99.90,   0.22,
09/10 06Z,   0.40,   2.80,   3.39,  99.90,   0.19,
09/10 07Z,   0.30,   1.81,   2.47,  99.90,   0.36,
09/10 08Z,   0.30,   0.81,   1.47,  99.90,   0.36,
09/10 09Z,   0.30,   0.17,   0.73,  99.90,   0.26,
09/10 10Z,   0.20,   0.10,   0.67,  99.90,   0.37,  (min)
09/10 11Z,   0.10,   0.48,   1.19,  99.90,   0.61,
09/10 12Z,   0.20,   1.08,   1.78,  99.90,   0.50,
09/10 13Z,   0.10,   1.76,   2.49,  99.90,   0.63,
09/10 14Z,   0.10,   2.47,   3.10,  99.90,   0.53,
09/10 15Z,   0.00,   3.05,   3.58,  99.90,   0.53,
09/10 16Z,   0.00,   3.34,   3.83,  99.90,   0.49,  (max)
09/10 17Z,   0.00,   3.24,   3.67,  99.90,   0.43,
09/10 18Z,   0.00,   2.75,   3.13,  99.90,   0.38,
09/10 19Z,   0.00,   1.94,   2.38,  99.90,   0.44,
09/10 20Z,   0.00,   1.01,   1.59,  99.90,   0.58,
09/10 21Z,   0.00,   0.29,   0.77,  99.90,   0.48,
09/10 22Z,   0.10,   0.08,   0.58,  99.90,   0.40,  (min)
09/10 23Z,   0.10,   0.41,   0.85,  99.90,   0.34,
09/11 00Z,   0.10,   1.04,   1.50,  99.90,   0.36,
09/11 01Z,   0.10,   1.78,   2.22,  99.90,   0.34,
09/11 02Z,   0.10,   2.55,   3.02,  99.90,   0.37,
09/11 03Z,   0.10,   3.24,   3.83,  99.90,   0.49,
09/11 04Z,   0.10,   3.68,   4.33,  99.90,   0.55,
09/11 05Z,   0.10,   3.73,   4.40,  99.90,   0.57,  (max)
09/11 06Z,   0.10,   3.36,   3.93,  99.90,   0.47,
09/11 07Z,   0.10,   2.61,   3.17,  99.90,   0.46,
09/11 08Z,   0.10,   1.62,   2.25,  99.90,   0.53,
09/11 09Z,   0.20,   0.67,   1.25,  99.90,   0.38,
09/11 10Z,   0.20,   0.15,   0.63,  99.90,   0.28,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 11Z,   0.30,   0.19,  99.90,   0.77,   0.28,
09/11 12Z,   0.40,   0.66,  99.90,   1.34,   0.28,
09/11 13Z,   0.40,   1.31,  99.90,   1.99,   0.28,
09/11 14Z,   0.50,   2.03,  99.90,   2.80,   0.28,
09/11 15Z,   0.50,   2.73,  99.90,   3.51,   0.28,
09/11 16Z,   0.50,   3.28,  99.90,   4.06,   0.27,
09/11 17Z,   0.60,   3.50,  99.90,   4.37,   0.27,  (max)
09/11 18Z,   0.60,   3.31,  99.90,   4.18,   0.27,
09/11 19Z,   0.60,   2.73,  99.90,   3.60,   0.27,
09/11 20Z,   0.70,   1.85,  99.90,   2.82,   0.27,
09/11 21Z,   0.70,   0.88,  99.90,   1.84,   0.27,
09/11 22Z,   0.70,   0.18,  99.90,   1.15,   0.27,
09/11 23Z,   0.70,   0.04,  99.90,   1.00,   0.27,  (min)
09/12 00Z,   0.70,   0.40,  99.90,   1.37,   0.27,
09/12 01Z,   0.70,   1.04,  99.90,   2.00,   0.27,
09/12 02Z,   0.70,   1.77,  99.90,   2.73,   0.27,
09/12 03Z,   0.60,   2.52,  99.90,   3.38,   0.27,
09/12 04Z,   0.60,   3.17,  99.90,   4.04,   0.27,
09/12 05Z,   0.60,   3.56,  99.90,   4.42,   0.27,  (max)
09/12 06Z,   0.60,   3.55,  99.90,   4.42,   0.27,
09/12 07Z,   0.50,   3.14,  99.90,   3.90,   0.27,
09/12 08Z,   0.50,   2.37,  99.90,   3.14,   0.27,
09/12 09Z,   0.50,   1.41,  99.90,   2.18,   0.27,
09/12 10Z,   0.50,   0.57,  99.90,   1.33,   0.27,
09/12 11Z,   0.50,   0.19,  99.90,   0.95,   0.27,  (min)
09/12 12Z,   0.50,   0.36,  99.90,   1.13,   0.27,
09/12 13Z,   0.50,   0.91,  99.90,   1.67,   0.27,
09/12 14Z,   0.50,   1.59,  99.90,   2.36,   0.27,
09/12 15Z,   0.50,   2.31,  99.90,   3.08,   0.27,
09/12 16Z,   0.50,   3.00,  99.90,   3.76,   0.27,
09/12 17Z,   0.50,   3.48,  99.90,   4.24,   0.27,
09/12 18Z,   0.50,   3.60,  99.90,   4.36,   0.27,  (max)
09/12 19Z,   0.50,   3.30,  99.90,   4.07,   0.27,
09/12 20Z,   0.50,   2.64,  99.90,   3.40,   0.27,
09/12 21Z,   0.50,   1.70,  99.90,   2.46,   0.27,
09/12 22Z,   0.50,   0.73,  99.90,   1.50,   0.27,
09/12 23Z,   0.50,   0.11,  99.90,   0.88,   0.27,
09/13 00Z,   0.50,   0.04,  99.90,   0.81,   0.27,  (min)
09/13 01Z,   0.50,   0.45,  99.90,   1.21,   0.27,
09/13 02Z,   0.50,   1.08,  99.90,   1.84,   0.27,
09/13 03Z,   0.50,   1.78,  99.90,   2.54,   0.27,
09/13 04Z,   0.50,   2.49,  99.90,   3.26,   0.27,
09/13 05Z,   0.50,   3.09,  99.90,   3.86,   0.27,
09/13 06Z,   0.40,   3.40,  99.90,   4.07,   0.27,  (max)
09/13 07Z,   0.40,   3.33,  99.90,   4.00,   0.27,
09/13 08Z,   0.40,   2.88,  99.90,   3.55,   0.27,
09/13 09Z,   0.40,   2.12,  99.90,   2.79,   0.27,
09/13 10Z,   0.40,   1.23,  99.90,   1.89,   0.27,
09/13 11Z,   0.40,   0.52,  99.90,   1.19,   0.27,
09/13 12Z,   0.50,   0.30,  99.90,   1.07,   0.27,  (min)
09/13 13Z,   0.50,   0.60,  99.90,   1.36,   0.27,
09/13 14Z,   0.50,   1.20,  99.90,   1.96,   0.27,
09/13 15Z,   0.50,   1.89,  99.90,   2.65,   0.27,
09/13 16Z,   0.60,   2.59,  99.90,   3.45,   0.27,
09/13 17Z,   0.60,   3.21,  99.90,   4.08,   0.27,
09/13 18Z,   0.70,   3.60,  99.90,   4.56,   0.27,  (max)
09/13 19Z,   0.60,   3.60,  99.90,   4.47,   0.27,
09/13 20Z,   0.50,   3.21,  99.90,   3.98,   0.27,
09/13 21Z,   0.50,   2.48,  99.90,   3.24,   0.27,
09/13 22Z,   0.40,   1.52,  99.90,   2.19,   0.27,
09/13 23Z,   0.40,   0.61,  99.90,   1.28,   0.27,
09/14 00Z,   0.40,   0.09,  99.90,   0.76,   0.27,  (min)
09/14 01Z,   0.40,   0.11,  99.90,   0.77,   0.27,
09/14 02Z,   0.40,   0.54,  99.90,   1.20,   0.27,
09/14 03Z,   0.40,   1.14,  99.90,   1.81,   0.27,
09/14 04Z,   0.40,   1.81,  99.90,   2.47,   0.27,
09/14 05Z,   0.50,   2.47,  99.90,   3.23,   0.27,
09/14 06Z,   0.50,   3.00,  99.90,   3.76,   0.27,
09/14 07Z,   0.50,   3.23,  99.90,   3.99,   0.27,  (max)
09/14 08Z,   0.50,   3.09,  99.90,   3.85,   0.27,
09/14 09Z,   0.40,   2.62,  99.90,   3.28,   0.27,
09/14 10Z,   0.40,   1.89,  99.90,   2.55,   0.27,
09/14 11Z,   0.40,   1.10,  99.90,   1.76,   0.27,
09/14 12Z,   0.40,   0.54,  99.90,   1.21,   0.27,
09/14 13Z,   0.40,   0.48,  99.90,   1.15,   0.27,  (min)
09/14 14Z,   0.50,   0.87,  99.90,   1.64,   0.27,
09/14 15Z,   0.50,   1.49,  99.90,   2.25,   0.27,
09/14 16Z,   0.50,   2.15,  99.90,   2.92,   0.27,
09/14 17Z,   0.50,   2.81,  99.90,   3.57,   0.27,
09/14 18Z,   0.50,   3.36,  99.90,   4.12,   0.27,
09/14 19Z,   0.50,   3.63,  99.90,   4.40,   0.27,  (max)
09/14 20Z,   0.40,   3.53,  99.90,   4.19,   0.27,
09/14 21Z,   0.40,   3.05,  99.90,   3.72,   0.27,
09/14 22Z,   0.40,   2.28,  99.90,   2.95,   0.27,
09/14 23Z,   0.40,   1.36,  99.90,   2.02,   0.27,
09/15 00Z,   0.40,   0.54,  99.90,   1.20,   0.27,
09/15 01Z,  99.90,   0.13,  99.90,  99.90,   0.27,
09/15 02Z,  99.90,   0.22,  99.90,  99.90,   0.27,
09/15 03Z,  99.90,   0.66,  99.90,  99.90,   0.27,
09/15 04Z,  99.90,   1.23,  99.90,  99.90,   0.27,
09/15 05Z,  99.90,   1.84,  99.90,  99.90,   0.27,
09/15 06Z,  99.90,   2.44,  99.90,  99.90,   0.27,