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
#Boston, MA : 07/16/2025 06:22:11 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 12Z,   0.30, -12.68, -12.18,  99.90,   0.20,
07/14 13Z,   0.30, -12.67, -12.14,  99.90,   0.23,  (min)
07/14 14Z,   0.30, -11.22, -10.74,  99.90,   0.18,
07/14 15Z,   0.30,  -9.09,  -8.87,  99.90,  -0.08,
07/14 16Z,   0.30,  -6.82,  -6.64,  99.90,  -0.12,
07/14 17Z,   0.30,  -4.69,  -4.46,  99.90,  -0.07,
07/14 18Z,   0.40,  -3.23,  -3.01,  99.90,  -0.18,
07/14 19Z,   0.40,  -2.94,  -2.63,  99.90,  -0.09,  (max)
07/14 20Z,   0.40,  -3.85,  -3.61,  99.90,  -0.16,
07/14 21Z,   0.40,  -5.64,  -5.31,  99.90,  -0.07,
07/14 22Z,   0.40,  -7.82,  -7.36,  99.90,   0.06,
07/14 23Z,   0.40,  -9.96,  -9.59,  99.90,  -0.03,
07/15 00Z,   0.40, -11.56, -11.19,  99.90,  -0.03,
07/15 01Z,   0.40, -11.93, -11.53,  99.90,  -0.00,  (min)
07/15 02Z,   0.40, -10.77, -10.36,  99.90,   0.01,
07/15 03Z,   0.40,  -8.66,  -8.37,  99.90,  -0.11,
07/15 04Z,   0.30,  -6.36,  -6.29,  99.90,  -0.23,
07/15 05Z,   0.30,  -4.21,  -4.00,  99.90,  -0.09,
07/15 06Z,   0.30,  -2.60,  -2.35,  99.90,  -0.05,
07/15 07Z,   0.30,  -2.08,  -1.87,  99.90,  -0.09,  (max)
07/15 08Z,   0.30,  -2.87,  -2.59,  99.90,  -0.02,
07/15 09Z,   0.30,  -4.71,  -4.34,  99.90,   0.07,
07/15 10Z,   0.30,  -7.12,  -6.57,  99.90,   0.25,
07/15 11Z,   0.30,  -9.60,  -8.97,  99.90,   0.33,
07/15 12Z,   0.20, -11.71, -11.26,  99.90,   0.25,
07/15 13Z,   0.20, -12.82, -12.47,  99.90,   0.15,  (min)
07/15 14Z,   0.20, -12.37, -11.91,  99.90,   0.26,
07/15 15Z,   0.20, -10.60, -10.28,  99.90,   0.12,
07/15 16Z,   0.20,  -8.30,  -8.21,  99.90,  -0.11,
07/15 17Z,   0.20,  -5.99,  -5.96,  99.90,  -0.17,
07/15 18Z,   0.30,  -3.96,  -3.83,  99.90,  -0.17,
07/15 19Z,   0.30,  -2.75,  -2.57,  99.90,  -0.12,
07/15 20Z,   0.30,  -2.80,  -2.57,  99.90,  -0.07,  (max)
07/15 21Z,   0.30,  -4.02,  -3.82,  99.90,  -0.10,
07/15 22Z,   0.30,  -6.03,  -5.70,  99.90,   0.03,
07/15 23Z,   0.30,  -8.31,  -7.92,  99.90,   0.09,
07/16 00Z,   0.30, -10.44, -10.04,  99.90,   0.10,
07/16 01Z,   0.20, -11.88, -11.58,  99.90,   0.10,
07/16 02Z,   0.20, -11.98, -11.61,  99.90,   0.17,  (min)
07/16 03Z,   0.20, -10.59, -10.18,  99.90,   0.21,
07/16 04Z,   0.20,  -8.42,  -8.34,  99.90,  -0.12,
07/16 05Z,   0.20,  -6.14,  -6.02,  99.90,  -0.08,
07/16 06Z,   0.10,  -4.06,  -3.85,  99.90,   0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 07Z,   0.20,  -2.62,  99.90,  -2.31,   0.11,
07/16 08Z,   0.20,  -2.34,  99.90,  -2.04,   0.10,  (max)
07/16 09Z,   0.20,  -3.35,  99.90,  -3.05,   0.09,
07/16 10Z,   0.20,  -5.31,  99.90,  -5.02,   0.09,
07/16 11Z,   0.20,  -7.71,  99.90,  -7.43,   0.08,
07/16 12Z,   0.30, -10.08,  99.90,  -9.71,   0.08,
07/16 13Z,   0.20, -11.97,  99.90, -11.70,   0.07,
07/16 14Z,   0.30, -12.73,  99.90, -12.37,   0.06,  (min)
07/16 15Z,   0.20, -11.92,  99.90, -11.67,   0.06,
07/16 16Z,   0.30,  -9.93,  99.90,  -9.58,   0.05,
07/16 17Z,   0.30,  -7.57,  99.90,  -7.23,   0.05,
07/16 18Z,   0.30,  -5.27,  99.90,  -4.93,   0.04,
07/16 19Z,   0.30,  -3.36,  99.90,  -3.02,   0.04,
07/16 20Z,   0.40,  -2.39,  99.90,  -1.95,   0.04,  (max)
07/16 21Z,   0.40,  -2.73,  99.90,  -2.29,   0.04,
07/16 22Z,   0.30,  -4.19,  99.90,  -3.85,   0.04,
07/16 23Z,   0.40,  -6.35,  99.90,  -5.91,   0.04,
07/17 00Z,   0.40,  -8.68,  99.90,  -8.24,   0.04,
07/17 01Z,   0.30, -10.77,  99.90, -10.43,   0.04,
07/17 02Z,   0.30, -12.08,  99.90, -11.74,   0.04,  (min)
07/17 03Z,   0.30, -12.00,  99.90, -11.66,   0.04,
07/17 04Z,   0.30, -10.50,  99.90, -10.16,   0.04,
07/17 05Z,   0.30,  -8.34,  99.90,  -8.00,   0.04,
07/17 06Z,   0.20,  -6.12,  99.90,  -5.88,   0.04,
07/17 07Z,   0.20,  -4.12,  99.90,  -3.88,   0.04,
07/17 08Z,   0.20,  -2.81,  99.90,  -2.57,   0.04,
07/17 09Z,   0.30,  -2.70,  99.90,  -2.36,   0.04,  (max)
07/17 10Z,   0.30,  -3.82,  99.90,  -3.48,   0.04,
07/17 11Z,   0.30,  -5.79,  99.90,  -5.45,   0.04,
07/17 12Z,   0.30,  -8.11,  99.90,  -7.77,   0.04,
07/17 13Z,   0.30, -10.33,  99.90,  -9.99,   0.04,
07/17 14Z,   0.30, -12.00,  99.90, -11.66,   0.04,
07/17 15Z,   0.30, -12.48,  99.90, -12.14,   0.04,  (min)
07/17 16Z,   0.30, -11.43,  99.90, -11.09,   0.04,
07/17 17Z,   0.30,  -9.33,  99.90,  -8.99,   0.04,
07/17 18Z,   0.30,  -6.97,  99.90,  -6.63,   0.04,
07/17 19Z,   0.30,  -4.70,  99.90,  -4.36,   0.04,
07/17 20Z,   0.30,  -2.90,  99.90,  -2.56,   0.04,
07/17 21Z,   0.30,  -2.15,  99.90,  -1.81,   0.04,  (max)
07/17 22Z,   0.30,  -2.70,  99.90,  -2.36,   0.04,
07/17 23Z,   0.30,  -4.32,  99.90,  -3.98,   0.04,
07/18 00Z,   0.30,  -6.54,  99.90,  -6.20,   0.04,
07/18 01Z,   0.40,  -8.89,  99.90,  -8.45,   0.04,
07/18 02Z,   0.30, -10.97,  99.90, -10.63,   0.04,
07/18 03Z,   0.30, -12.21,  99.90, -11.87,   0.04,  (min)
07/18 04Z,   0.30, -12.03,  99.90, -11.69,   0.04,
07/18 05Z,   0.30, -10.53,  99.90, -10.19,   0.04,
07/18 06Z,   0.20,  -8.45,  99.90,  -8.21,   0.04,
07/18 07Z,   0.20,  -6.29,  99.90,  -6.05,   0.04,
07/18 08Z,   0.20,  -4.34,  99.90,  -4.10,   0.04,
07/18 09Z,   0.30,  -3.11,  99.90,  -2.77,   0.04,
07/18 10Z,   0.30,  -3.07,  99.90,  -2.73,   0.04,  (max)
07/18 11Z,   0.30,  -4.20,  99.90,  -3.86,   0.04,
07/18 12Z,   0.30,  -6.11,  99.90,  -5.77,   0.04,
07/18 13Z,   0.30,  -8.30,  99.90,  -7.96,   0.04,
07/18 14Z,   0.30, -10.37,  99.90, -10.03,   0.04,
07/18 15Z,   0.30, -11.88,  99.90, -11.54,   0.04,
07/18 16Z,   0.20, -12.17,  99.90, -11.93,   0.04,  (min)
07/18 17Z,   0.20, -10.98,  99.90, -10.74,   0.04,
07/18 18Z,   0.20,  -8.87,  99.90,  -8.63,   0.04,
07/18 19Z,   0.20,  -6.55,  99.90,  -6.31,   0.04,
07/18 20Z,   0.20,  -4.31,  99.90,  -4.07,   0.04,
07/18 21Z,   0.30,  -2.59,  99.90,  -2.25,   0.04,
07/18 22Z,   0.30,  -1.98,  99.90,  -1.64,   0.04,  (max)
07/18 23Z,   0.30,  -2.66,  99.90,  -2.32,   0.04,
07/19 00Z,   0.20,  -4.35,  99.90,  -4.11,   0.04,
07/19 01Z,   0.30,  -6.60,  99.90,  -6.25,   0.04,
07/19 02Z,   0.30,  -8.96,  99.90,  -8.62,   0.04,
07/19 03Z,   0.30, -11.06,  99.90, -10.72,   0.04,
07/19 04Z,   0.30, -12.30,  99.90, -11.96,   0.04,  (min)
07/19 05Z,   0.20, -12.12,  99.90, -11.87,   0.04,
07/19 06Z,   0.20, -10.69,  99.90, -10.45,   0.04,
07/19 07Z,   0.20,  -8.71,  99.90,  -8.47,   0.04,
07/19 08Z,   0.20,  -6.59,  99.90,  -6.35,   0.04,
07/19 09Z,   0.20,  -4.63,  99.90,  -4.38,   0.04,
07/19 10Z,   0.30,  -3.41,  99.90,  -3.07,   0.04,
07/19 11Z,   0.30,  -3.38,  99.90,  -3.03,   0.04,  (max)
07/19 12Z,   0.40,  -4.44,  99.90,  -4.00,   0.04,
07/19 13Z,   0.40,  -6.23,  99.90,  -5.79,   0.04,
07/19 14Z,   0.50,  -8.29,  99.90,  -7.75,   0.04,
07/19 15Z,   0.50, -10.27,  99.90,  -9.73,   0.04,
07/19 16Z,   0.50, -11.70,  99.90, -11.16,   0.04,
07/19 17Z,   0.50, -11.89,  99.90, -11.35,   0.04,  (min)
07/19 18Z,   0.50, -10.66,  99.90, -10.12,   0.04,
07/19 19Z,   0.50,  -8.60,  99.90,  -8.06,   0.04,
07/19 20Z,   0.50,  -6.30,  99.90,  -5.76,   0.04,
07/19 21Z,   0.50,  -4.07,  99.90,  -3.53,   0.04,
07/19 22Z,   0.50,  -2.39,  99.90,  -1.85,   0.04,
07/19 23Z,   0.50,  -1.85,  99.90,  -1.31,   0.04,  (max)
07/20 00Z,   0.40,  -2.59,  99.90,  -2.14,   0.04,