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 : 07/13/2025 22:22:56 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/12 06Z,   0.30,  -0.88,  -0.52,  99.90,   0.06,  (max)
07/12 07Z,   0.30,  -2.71,  -2.37,  99.90,   0.04,
07/12 08Z,   0.30,  -5.01,  -4.38,  99.90,   0.33,
07/12 09Z,   0.30,  -7.44,  -6.93,  99.90,   0.21,
07/12 10Z,   0.30,  -9.47,  -8.89,  99.90,   0.28,
07/12 11Z,   0.30, -10.37,  -9.95,  99.90,   0.12,  (min)
07/12 12Z,   0.40,  -9.79,  -9.41,  99.90,  -0.02,
07/12 13Z,   0.30,  -8.22,  -7.82,  99.90,   0.10,
07/12 14Z,   0.30,  -6.24,  -5.95,  99.90,  -0.01,
07/12 15Z,   0.30,  -4.11,  -3.87,  99.90,  -0.06,
07/12 16Z,   0.30,  -2.25,  -1.81,  99.90,   0.14,
07/12 17Z,   0.30,  -1.27,  -0.84,  99.90,   0.13,  (max)
07/12 18Z,   0.40,  -1.45,  -0.92,  99.90,   0.13,
07/12 19Z,   0.40,  -2.61,  -2.09,  99.90,   0.12,
07/12 20Z,   0.40,  -4.41,  -3.87,  99.90,   0.14,
07/12 21Z,   0.40,  -6.44,  -5.94,  99.90,   0.10,
07/12 22Z,   0.40,  -8.29,  -7.77,  99.90,   0.12,
07/12 23Z,   0.40,  -9.29,  -8.89,  99.90,  -0.00,  (min)
07/13 00Z,   0.40,  -8.84,  -8.35,  99.90,   0.09,
07/13 01Z,   0.40,  -7.19,  -6.86,  99.90,  -0.07,
07/13 02Z,   0.40,  -5.06,  -4.80,  99.90,  -0.14,
07/13 03Z,   0.40,  -2.88,  -2.65,  99.90,  -0.17,
07/13 04Z,   0.30,  -0.95,  -0.67,  99.90,  -0.02,
07/13 05Z,   0.30,   0.15,   0.50,  99.90,   0.05,  (max)
07/13 06Z,   0.30,   0.01,   0.36,  99.90,   0.05,
07/13 07Z,   0.30,  -1.29,  -1.02,  99.90,  -0.03,
07/13 08Z,   0.30,  -3.39,  -2.97,  99.90,   0.12,
07/13 09Z,   0.30,  -5.86,  -5.35,  99.90,   0.21,
07/13 10Z,   0.30,  -8.26,  -7.81,  99.90,   0.15,
07/13 11Z,   0.30, -10.06,  -9.61,  99.90,   0.15,
07/13 12Z,   0.30, -10.51, -10.15,  99.90,   0.06,  (min)
07/13 13Z,   0.20,  -9.47,  -9.10,  99.90,   0.17,
07/13 14Z,   0.20,  -7.58,  -7.39,  99.90,  -0.01,
07/13 15Z,   0.20,  -5.43,  -5.33,  99.90,  -0.10,
07/13 16Z,   0.20,  -3.26,  -3.04,  99.90,   0.02,
07/13 17Z,   0.30,  -1.57,  -1.35,  99.90,  -0.08,
07/13 18Z,   0.20,  -0.93,  -0.66,  99.90,   0.07,  (max)
07/13 19Z,   0.30,  -1.48,  -1.22,  99.90,  -0.04,
07/13 20Z,   0.30,  -2.98,  -2.62,  99.90,   0.06,
07/13 21Z,   0.30,  -5.00,  -4.42,  99.90,   0.28,
07/13 22Z,   0.30,  -7.11,  -6.59,  99.90,   0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 23Z,   0.30,  -8.86,  99.90,  -8.35,   0.21,
07/14 00Z,   0.30,  -9.54,  99.90,  -9.05,   0.19,  (min)
07/14 01Z,   0.30,  -8.70,  99.90,  -8.23,   0.17,
07/14 02Z,   0.30,  -6.78,  99.90,  -6.32,   0.15,
07/14 03Z,   0.30,  -4.53,  99.90,  -4.09,   0.14,
07/14 04Z,   0.20,  -2.33,  99.90,  -2.01,   0.12,
07/14 05Z,   0.20,  -0.54,  99.90,  -0.24,   0.10,
07/14 06Z,   0.20,   0.26,  99.90,   0.54,   0.08,  (max)
07/14 07Z,   0.10,  -0.23,  99.90,  -0.06,   0.07,
07/14 08Z,   0.20,  -1.84,  99.90,  -1.59,   0.05,
07/14 09Z,   0.20,  -4.15,  99.90,  -3.91,   0.03,
07/14 10Z,   0.20,  -6.67,  99.90,  -6.45,   0.01,
07/14 11Z,   0.20,  -8.97,  99.90,  -8.75,   0.01,
07/14 12Z,   0.20, -10.43,  99.90, -10.22,   0.01,  (min)
07/14 13Z,   0.20, -10.42,  99.90, -10.21,   0.01,
07/14 14Z,   0.20,  -8.97,  99.90,  -8.76,   0.01,
07/14 15Z,   0.20,  -6.84,  99.90,  -6.62,   0.01,
07/14 16Z,   0.20,  -4.57,  99.90,  -4.35,   0.01,
07/14 17Z,   0.30,  -2.44,  99.90,  -2.13,   0.01,
07/14 18Z,   0.30,  -0.98,  99.90,  -0.67,   0.01,
07/14 19Z,   0.30,  -0.69,  99.90,  -0.37,   0.01,  (max)
07/14 20Z,   0.30,  -1.60,  99.90,  -1.29,   0.01,
07/14 21Z,   0.30,  -3.39,  99.90,  -3.07,   0.01,
07/14 22Z,   0.30,  -5.57,  99.90,  -5.26,   0.01,
07/14 23Z,   0.30,  -7.71,  99.90,  -7.40,   0.01,
07/15 00Z,   0.30,  -9.31,  99.90,  -8.99,   0.01,
07/15 01Z,   0.30,  -9.68,  99.90,  -9.36,   0.01,  (min)
07/15 02Z,   0.30,  -8.52,  99.90,  -8.20,   0.01,
07/15 03Z,   0.20,  -6.41,  99.90,  -6.20,   0.01,
07/15 04Z,   0.20,  -4.11,  99.90,  -3.90,   0.01,
07/15 05Z,   0.20,  -1.96,  99.90,  -1.75,   0.01,
07/15 06Z,   0.20,  -0.35,  99.90,  -0.13,   0.01,
07/15 07Z,   0.20,   0.17,  99.90,   0.38,   0.01,  (max)
07/15 08Z,   0.20,  -0.62,  99.90,  -0.41,   0.01,
07/15 09Z,   0.20,  -2.46,  99.90,  -2.24,   0.01,
07/15 10Z,   0.30,  -4.87,  99.90,  -4.55,   0.01,
07/15 11Z,   0.20,  -7.35,  99.90,  -7.14,   0.01,
07/15 12Z,   0.30,  -9.46,  99.90,  -9.15,   0.01,
07/15 13Z,   0.20, -10.57,  99.90, -10.36,   0.01,  (min)
07/15 14Z,   0.20, -10.12,  99.90,  -9.91,   0.01,
07/15 15Z,   0.20,  -8.35,  99.90,  -8.13,   0.01,
07/15 16Z,   0.20,  -6.05,  99.90,  -5.84,   0.01,
07/15 17Z,   0.20,  -3.74,  99.90,  -3.53,   0.01,
07/15 18Z,   0.20,  -1.71,  99.90,  -1.49,   0.01,
07/15 19Z,   0.20,  -0.50,  99.90,  -0.29,   0.01,  (max)
07/15 20Z,   0.20,  -0.55,  99.90,  -0.33,   0.01,
07/15 21Z,   0.20,  -1.77,  99.90,  -1.56,   0.01,
07/15 22Z,   0.20,  -3.78,  99.90,  -3.56,   0.01,
07/15 23Z,   0.20,  -6.06,  99.90,  -5.85,   0.01,
07/16 00Z,   0.20,  -8.19,  99.90,  -7.97,   0.01,
07/16 01Z,   0.10,  -9.63,  99.90,  -9.51,   0.01,  (min)
07/16 02Z,   0.20,  -9.73,  99.90,  -9.51,   0.01,
07/16 03Z,   0.20,  -8.34,  99.90,  -8.13,   0.01,
07/16 04Z,   0.20,  -6.17,  99.90,  -5.95,   0.01,
07/16 05Z,   0.10,  -3.89,  99.90,  -3.77,   0.01,
07/16 06Z,   0.20,  -1.81,  99.90,  -1.60,   0.01,
07/16 07Z,   0.10,  -0.37,  99.90,  -0.25,   0.01,
07/16 08Z,   0.10,  -0.09,  99.90,   0.02,   0.01,  (max)
07/16 09Z,   0.10,  -1.10,  99.90,  -0.98,   0.01,
07/16 10Z,   0.10,  -3.06,  99.90,  -2.94,   0.01,
07/16 11Z,   0.20,  -5.46,  99.90,  -5.25,   0.01,
07/16 12Z,   0.20,  -7.83,  99.90,  -7.62,   0.01,
07/16 13Z,   0.20,  -9.72,  99.90,  -9.50,   0.01,
07/16 14Z,   0.20, -10.48,  99.90, -10.27,   0.01,  (min)
07/16 15Z,   0.30,  -9.67,  99.90,  -9.36,   0.01,
07/16 16Z,   0.20,  -7.68,  99.90,  -7.47,   0.01,
07/16 17Z,   0.30,  -5.32,  99.90,  -5.01,   0.01,
07/16 18Z,   0.30,  -3.02,  99.90,  -2.71,   0.01,
07/16 19Z,   0.30,  -1.11,  99.90,  -0.79,   0.01,
07/16 20Z,   0.30,  -0.14,  99.90,   0.17,   0.01,  (max)
07/16 21Z,   0.30,  -0.48,  99.90,  -0.16,   0.01,
07/16 22Z,   0.30,  -1.94,  99.90,  -1.63,   0.01,
07/16 23Z,   0.30,  -4.10,  99.90,  -3.78,   0.01,
07/17 00Z,   0.30,  -6.43,  99.90,  -6.11,   0.01,
07/17 01Z,   0.30,  -8.52,  99.90,  -8.21,   0.01,
07/17 02Z,   0.30,  -9.83,  99.90,  -9.52,   0.01,  (min)
07/17 03Z,   0.30,  -9.75,  99.90,  -9.43,   0.01,
07/17 04Z,   0.30,  -8.25,  99.90,  -7.94,   0.01,
07/17 05Z,   0.30,  -6.09,  99.90,  -5.78,   0.01,
07/17 06Z,   0.20,  -3.87,  99.90,  -3.66,   0.01,
07/17 07Z,   0.20,  -1.87,  99.90,  -1.66,   0.01,
07/17 08Z,   0.20,  -0.56,  99.90,  -0.35,   0.01,
07/17 09Z,   0.20,  -0.45,  99.90,  -0.24,   0.01,  (max)
07/17 10Z,   0.30,  -1.57,  99.90,  -1.25,   0.01,
07/17 11Z,   0.30,  -3.54,  99.90,  -3.23,   0.01,
07/17 12Z,   0.30,  -5.86,  99.90,  -5.55,   0.01,
07/17 13Z,  99.90,  -8.08,  99.90,  99.90,   0.01,
07/17 14Z,  99.90,  -9.75,  99.90,  99.90,   0.01,
07/17 15Z,  99.90, -10.23,  99.90,  99.90,   0.01,
07/17 16Z,  99.90,  -9.18,  99.90,  99.90,   0.01,
07/17 17Z,  99.90,  -7.08,  99.90,  99.90,   0.01,
07/17 18Z,  99.90,  -4.72,  99.90,  99.90,   0.01,