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
#Portsmouth (Fort Point), NH : 07/09/2025 22:22:55 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/08 06Z,   0.30,  -6.40,  99.90,  -6.10,   0.00,
07/08 07Z,   0.30,  -7.83,  99.90,  -7.53,   0.00,
07/08 08Z,   0.30,  -8.53,  99.90,  -8.23,   0.00,  (min)
07/08 09Z,   0.30,  -8.38,  99.90,  -8.08,   0.00,
07/08 10Z,   0.40,  -7.43,  99.90,  -7.03,   0.00,
07/08 11Z,   0.40,  -5.91,  99.90,  -5.51,   0.00,
07/08 12Z,   0.40,  -4.22,  99.90,  -3.82,   0.00,
07/08 13Z,   0.40,  -2.82,  99.90,  -2.42,   0.00,
07/08 14Z,   0.40,  -2.01,  99.90,  -1.61,   0.00,
07/08 15Z,   0.40,  -1.95,  99.90,  -1.55,   0.00,  (max)
07/08 16Z,   0.40,  -2.69,  99.90,  -2.29,   0.00,
07/08 17Z,   0.30,  -4.10,  99.90,  -3.80,   0.00,
07/08 18Z,   0.40,  -5.70,  99.90,  -5.30,   0.00,
07/08 19Z,   0.40,  -6.96,  99.90,  -6.56,   0.00,
07/08 20Z,   0.40,  -7.56,  99.90,  -7.16,   0.00,  (min)
07/08 21Z,   0.40,  -7.34,  99.90,  -6.94,   0.00,
07/08 22Z,   0.40,  -6.31,  99.90,  -5.91,   0.00,
07/08 23Z,   0.40,  -4.69,  99.90,  -4.29,   0.00,
07/09 00Z,   0.40,  -2.88,  99.90,  -2.48,   0.00,
07/09 01Z,   0.40,  -1.35,  99.90,  -0.95,   0.00,
07/09 02Z,   0.40,  -0.48,  99.90,  -0.08,   0.00,
07/09 03Z,   0.40,  -0.44,  99.90,  -0.04,   0.00,  (max)
07/09 04Z,   0.50,  -1.29,  99.90,  -0.79,   0.00,
07/09 05Z,   0.40,  -2.96,  99.90,  -2.56,   0.00,
07/09 06Z,   0.40,  -5.05,  99.90,  -4.65,   0.00,
07/09 07Z,   0.40,  -6.97,  99.90,  -6.57,   0.00,
07/09 08Z,   0.50,  -8.31,  99.90,  -7.81,   0.00,
07/09 09Z,   0.50,  -8.82,  99.90,  -8.32,   0.00,  (min)
07/09 10Z,   0.50,  -8.42,  99.90,  -7.92,   0.00,
07/09 11Z,   0.60,  -7.22,  99.90,  -6.62,   0.00,
07/09 12Z,   0.50,  -5.52,  99.90,  -5.02,   0.00,
07/09 13Z,   0.50,  -3.76,  99.90,  -3.26,   0.00,
07/09 14Z,   0.50,  -2.41,  99.90,  -1.91,   0.00,
07/09 15Z,   0.50,  -1.75,  99.90,  -1.25,   0.00,  (max)
07/09 16Z,   0.50,  -1.90,  99.90,  -1.40,   0.00,
07/09 17Z,   0.50,  -2.89,  99.90,  -2.39,   0.00,
07/09 18Z,   0.50,  -4.50,  99.90,  -4.00,   0.00,
07/09 19Z,   0.50,  -6.16,  99.90,  -5.66,   0.00,
07/09 20Z,   0.50,  -7.35,  99.90,  -6.85,   0.00,
07/09 21Z,   0.50,  -7.76,  99.90,  -7.26,   0.00,  (min)
07/09 22Z,   0.50,  -7.29,  99.90,  -6.79,   0.00,
07/09 23Z,   0.50,  -6.00,  99.90,  -5.50,   0.00,
07/10 00Z,   0.50,  -4.18,  99.90,  -3.68,   0.00,
07/10 01Z,   0.50,  -2.30,  99.90,  -1.80,   0.00,
07/10 02Z,   0.50,  -0.83,  99.90,  -0.33,   0.00,
07/10 03Z,   0.50,  -0.15,  99.90,   0.35,   0.00,  (max)
07/10 04Z,   0.50,  -0.38,  99.90,   0.12,   0.00,
07/10 05Z,   0.50,  -1.55,  99.90,  -1.05,   0.00,
07/10 06Z,   0.50,  -3.50,  99.90,  -3.00,   0.00,
07/10 07Z,   0.50,  -5.73,  99.90,  -5.23,   0.00,
07/10 08Z,   0.50,  -7.63,  99.90,  -7.13,   0.00,
07/10 09Z,   0.50,  -8.79,  99.90,  -8.29,   0.00,
07/10 10Z,   0.50,  -9.02,  99.90,  -8.52,   0.00,  (min)
07/10 11Z,   0.50,  -8.30,  99.90,  -7.80,   0.00,
07/10 12Z,   0.50,  -6.82,  99.90,  -6.32,   0.00,
07/10 13Z,   0.50,  -4.95,  99.90,  -4.45,   0.00,
07/10 14Z,   0.50,  -3.17,  99.90,  -2.67,   0.00,
07/10 15Z,   0.50,  -1.95,  99.90,  -1.45,   0.00,
07/10 16Z,   0.40,  -1.51,  99.90,  -1.11,   0.00,  (max)
07/10 17Z,   0.50,  -1.96,  99.90,  -1.46,   0.00,
07/10 18Z,   0.40,  -3.25,  99.90,  -2.85,   0.00,
07/10 19Z,   0.40,  -5.05,  99.90,  -4.65,   0.00,
07/10 20Z,   0.40,  -6.74,  99.90,  -6.34,   0.00,
07/10 21Z,   0.50,  -7.78,  99.90,  -7.28,   0.00,
07/10 22Z,   0.40,  -7.93,  99.90,  -7.53,   0.00,  (min)
07/10 23Z,   0.50,  -7.13,  99.90,  -6.63,   0.00,
07/11 00Z,   0.50,  -5.55,  99.90,  -5.05,   0.00,
07/11 01Z,   0.50,  -3.56,  99.90,  -3.06,   0.00,
07/11 02Z,   0.50,  -1.66,  99.90,  -1.16,   0.00,
07/11 03Z,   0.50,  -0.34,  99.90,   0.16,   0.00,
07/11 04Z,   0.50,   0.09,  99.90,   0.59,   0.00,  (max)
07/11 05Z,   0.50,  -0.48,  99.90,   0.02,   0.00,
07/11 06Z,   0.50,  -1.99,  99.90,  -1.49,   0.00,
07/11 07Z,   0.50,  -4.20,  99.90,  -3.70,   0.00,
07/11 08Z,   0.50,  -6.51,  99.90,  -6.01,   0.00,
07/11 09Z,   0.50,  -8.29,  99.90,  -7.79,   0.00,
07/11 10Z,   0.50,  -9.19,  99.90,  -8.69,   0.00,  (min)
07/11 11Z,   0.50,  -9.06,  99.90,  -8.56,   0.00,
07/11 12Z,   0.50,  -7.97,  99.90,  -7.47,   0.00,
07/11 13Z,   0.50,  -6.22,  99.90,  -5.72,   0.00,
07/11 14Z,   0.50,  -4.23,  99.90,  -3.73,   0.00,
07/11 15Z,   0.50,  -2.51,  99.90,  -2.01,   0.00,
07/11 16Z,   0.50,  -1.50,  99.90,  -1.00,   0.00,
07/11 17Z,   0.40,  -1.37,  99.90,  -0.97,   0.00,  (max)
07/11 18Z,   0.40,  -2.16,  99.90,  -1.76,   0.00,
07/11 19Z,   0.40,  -3.76,  99.90,  -3.36,   0.00,
07/11 20Z,   0.50,  -5.72,  99.90,  -5.22,   0.00,
07/11 21Z,   0.50,  -7.35,  99.90,  -6.85,   0.00,
07/11 22Z,   0.50,  -8.17,  99.90,  -7.67,   0.00,  (min)
07/11 23Z,   0.50,  -7.99,  99.90,  -7.49,   0.00,
07/12 00Z,   0.50,  -6.84,  99.90,  -6.34,   0.00,
07/12 01Z,   0.50,  -4.99,  99.90,  -4.49,   0.00,
07/12 02Z,   0.50,  -2.88,  99.90,  -2.38,   0.00,
07/12 03Z,   0.50,  -1.04,  99.90,  -0.54,   0.00,
07/12 04Z,   0.50,   0.06,  99.90,   0.56,   0.00,
07/12 05Z,   0.40,   0.16,  99.90,   0.56,   0.00,  (max)
07/12 06Z,   0.40,  -0.76,  99.90,  -0.36,   0.00,
07/12 07Z,   0.40,  -2.61,  99.90,  -2.21,   0.00,
07/12 08Z,   0.40,  -5.02,  99.90,  -4.62,   0.00,
07/12 09Z,   0.50,  -7.32,  99.90,  -6.82,   0.00,
07/12 10Z,   0.50,  -8.89,  99.90,  -8.39,   0.00,
07/12 11Z,   0.50,  -9.42,  99.90,  -8.92,   0.00,  (min)
07/12 12Z,   0.50,  -8.89,  99.90,  -8.39,   0.00,
07/12 13Z,   0.50,  -7.44,  99.90,  -6.94,   0.00,
07/12 14Z,   0.50,  -5.46,  99.90,  -4.96,   0.00,
07/12 15Z,   0.50,  -3.43,  99.90,  -2.93,   0.00,
07/12 16Z,   0.50,  -1.86,  99.90,  -1.36,   0.00,
07/12 17Z,   0.50,  -1.12,  99.90,  -0.62,   0.00,  (max)
07/12 18Z,   0.50,  -1.35,  99.90,  -0.85,   0.00,
07/12 19Z,   0.50,  -2.50,  99.90,  -2.00,   0.00,
07/12 20Z,   0.50,  -4.37,  99.90,  -3.87,   0.00,
07/12 21Z,   0.50,  -6.41,  99.90,  -5.91,   0.00,
07/12 22Z,   0.50,  -7.91,  99.90,  -7.41,   0.00,
07/12 23Z,   0.50,  -8.45,  99.90,  -7.95,   0.00,  (min)
07/13 00Z,   0.50,  -7.92,  99.90,  -7.42,   0.00,
07/13 01Z,   0.50,  -6.45,  99.90,  -5.95,   0.00,
07/13 02Z,   0.50,  -4.40,  99.90,  -3.90,   0.00,
07/13 03Z,   0.50,  -2.25,  99.90,  -1.75,   0.00,
07/13 04Z,   0.50,  -0.54,  99.90,  -0.04,   0.00,
07/13 05Z,   0.50,   0.29,  99.90,   0.79,   0.00,  (max)
07/13 06Z,   0.50,   0.05,  99.90,   0.55,   0.00,
07/13 07Z,   0.40,  -1.23,  99.90,  -0.83,   0.00,
07/13 08Z,   0.40,  -3.36,  99.90,  -2.96,   0.00,
07/13 09Z,   0.40,  -5.88,  99.90,  -5.48,   0.00,
07/13 10Z,   0.40,  -8.06,  99.90,  -7.66,   0.00,
07/13 11Z,   0.40,  -9.33,  99.90,  -8.93,   0.00,
07/13 12Z,   0.40,  -9.47,  99.90,  -9.07,   0.00,
07/13 13Z,  99.90,  -8.53,  99.90,  99.90,   0.00,
07/13 14Z,  99.90,  -6.77,  99.90,  99.90,   0.00,
07/13 15Z,  99.90,  -4.63,  99.90,  99.90,   0.00,
07/13 16Z,  99.90,  -2.63,  99.90,  99.90,   0.00,
07/13 17Z,  99.90,  -1.27,  99.90,  99.90,   0.00,
07/13 18Z,  99.90,  -0.85,  99.90,  99.90,   0.00,