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 : 06/12/2026 22:22:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/11 06Z,   0.50,   0.44,   1.36,  99.90,   0.42,  (min)
06/11 07Z,   0.50,   1.03,   2.21,  99.90,   0.68,
06/11 08Z,   0.50,   2.67,   3.47,  99.90,   0.30,
06/11 09Z,   0.50,   4.67,   5.39,  99.90,   0.22,
06/11 10Z,   0.50,   6.72,   7.41,  99.90,   0.19,
06/11 11Z,   0.50,   8.47,   9.24,  99.90,   0.27,
06/11 12Z,   0.60,   9.33,   9.91,  99.90,  -0.02,  (max)
06/11 13Z,   0.60,   9.00,   9.46,  99.90,  -0.14,
06/11 14Z,   0.60,   7.66,   8.26,  99.90,   0.00,
06/11 15Z,   0.60,   5.75,   6.43,  99.90,   0.08,
06/11 16Z,   0.60,   3.70,   4.37,  99.90,   0.07,
06/11 17Z,   0.70,   1.86,   2.46,  99.90,  -0.10,
06/11 18Z,   0.70,   0.75,   1.46,  99.90,   0.01,  (min)
06/11 19Z,   0.70,   1.00,   2.10,  99.90,   0.40,
06/11 20Z,   0.80,   2.58,   3.49,  99.90,   0.11,
06/11 21Z,   0.80,   4.80,   5.63,  99.90,   0.03,
06/11 22Z,   0.80,   7.11,   7.80,  99.90,  -0.11,
06/11 23Z,   0.80,   9.21,   9.97,  99.90,  -0.04,
06/12 00Z,   0.80,  10.54,  11.20,  99.90,  -0.14,  (max)
06/12 01Z,   0.80,  10.63,  11.17,  99.90,  -0.26,
06/12 02Z,   0.80,   9.46,  10.00,  99.90,  -0.26,
06/12 03Z,   0.70,   7.45,   8.06,  99.90,  -0.09,
06/12 04Z,   0.80,   5.05,   5.83,  99.90,  -0.02,
06/12 05Z,   0.80,   2.65,   3.46,  99.90,   0.01,
06/12 06Z,   0.70,   0.69,   1.47,  99.90,   0.08,
06/12 07Z,   0.70,  -0.14,   0.85,  99.90,   0.29,  (min)
06/12 08Z,   0.70,   0.56,   1.74,  99.90,   0.48,
06/12 09Z,   0.70,   2.34,   3.31,  99.90,   0.27,
06/12 10Z,   0.70,   4.52,   5.37,  99.90,   0.15,
06/12 11Z,   0.70,   6.77,   7.63,  99.90,   0.16,
06/12 12Z,   0.70,   8.64,   9.44,  99.90,   0.10,
06/12 13Z,   0.80,   9.51,  10.21,  99.90,  -0.10,  (max)
06/12 14Z,   0.80,   9.12,   9.63,  99.90,  -0.29,
06/12 15Z,   0.80,   7.70,   8.30,  99.90,  -0.20,
06/12 16Z,   0.80,   5.70,   6.44,  99.90,  -0.06,
06/12 17Z,   0.80,   3.54,   4.17,  99.90,  -0.17,
06/12 18Z,   0.90,   1.60,   2.37,  99.90,  -0.13,
06/12 19Z,   0.90,   0.53,   1.34,  99.90,  -0.09,  (min)
06/12 20Z,   0.90,   0.94,   1.97,  99.90,   0.13,
06/12 21Z,   0.90,   2.72,   3.93,  99.90,   0.31,
06/12 22Z,   0.90,   5.12,   6.16,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/12 23Z,   0.90,   7.61,  99.90,   8.65,   0.14,
06/13 00Z,   0.90,   9.82,  99.90,  10.85,   0.13,
06/13 01Z,   1.00,  11.11,  99.90,  12.24,   0.12,  (max)
06/13 02Z,   1.00,  11.04,  99.90,  12.15,   0.12,
06/13 03Z,   1.00,   9.68,  99.90,  10.79,   0.11,
06/13 04Z,   0.90,   7.45,  99.90,   8.45,   0.10,
06/13 05Z,   0.90,   4.82,  99.90,   5.81,   0.09,
06/13 06Z,   0.80,   2.19,  99.90,   3.07,   0.09,
06/13 07Z,   0.80,   0.09,  99.90,   0.97,   0.08,
06/13 08Z,   0.90,  -0.69,  99.90,   0.28,   0.07,  (min)
06/13 09Z,   0.90,   0.15,  99.90,   1.12,   0.07,
06/13 10Z,   0.90,   2.08,  99.90,   3.04,   0.06,
06/13 11Z,   0.90,   4.45,  99.90,   5.41,   0.06,
06/13 12Z,   0.90,   6.90,  99.90,   7.86,   0.06,
06/13 13Z,   0.90,   8.87,  99.90,   9.83,   0.06,
06/13 14Z,   0.90,   9.72,  99.90,  10.68,   0.06,  (max)
06/13 15Z,   0.90,   9.26,  99.90,  10.22,   0.06,
06/13 16Z,   0.80,   7.75,  99.90,   8.61,   0.06,
06/13 17Z,   0.80,   5.64,  99.90,   6.50,   0.06,
06/13 18Z,   0.80,   3.34,  99.90,   4.20,   0.06,
06/13 19Z,   0.80,   1.31,  99.90,   2.17,   0.06,
06/13 20Z,   0.80,   0.28,  99.90,   1.14,   0.06,  (min)
06/13 21Z,   0.80,   0.88,  99.90,   1.74,   0.06,
06/13 22Z,   0.80,   2.85,  99.90,   3.71,   0.06,
06/13 23Z,   0.80,   5.42,  99.90,   6.28,   0.06,
06/14 00Z,   0.80,   8.08,  99.90,   8.94,   0.06,
06/14 01Z,   0.80,  10.36,  99.90,  11.22,   0.06,
06/14 02Z,   0.80,  11.59,  99.90,  12.45,   0.06,  (max)
06/14 03Z,   0.80,  11.37,  99.90,  12.23,   0.06,
06/14 04Z,   0.70,   9.83,  99.90,  10.59,   0.06,
06/14 05Z,   0.70,   7.40,  99.90,   8.16,   0.06,
06/14 06Z,   0.70,   4.56,  99.90,   5.32,   0.06,
06/14 07Z,   0.70,   1.73,  99.90,   2.48,   0.06,
06/14 08Z,   0.70,  -0.45,  99.90,   0.31,   0.06,
06/14 09Z,   0.70,  -1.14,  99.90,  -0.38,   0.06,  (min)
06/14 10Z,   0.70,  -0.14,  99.90,   0.62,   0.06,
06/14 11Z,   0.80,   1.95,  99.90,   2.81,   0.06,
06/14 12Z,   0.80,   4.49,  99.90,   5.35,   0.06,
06/14 13Z,   0.70,   7.10,  99.90,   7.86,   0.06,
06/14 14Z,   0.70,   9.12,  99.90,   9.88,   0.06,
06/14 15Z,   0.70,   9.93,  99.90,  10.69,   0.06,  (max)
06/14 16Z,   0.70,   9.38,  99.90,  10.14,   0.06,
06/14 17Z,   0.70,   7.77,  99.90,   8.53,   0.06,
06/14 18Z,   0.70,   5.53,  99.90,   6.29,   0.06,
06/14 19Z,   0.70,   3.10,  99.90,   3.86,   0.06,
06/14 20Z,   0.70,   1.00,  99.90,   1.76,   0.06,
06/14 21Z,   0.70,   0.06,  99.90,   0.82,   0.06,  (min)
06/14 22Z,   0.70,   0.85,  99.90,   1.61,   0.06,
06/14 23Z,   0.60,   2.98,  99.90,   3.64,   0.06,
06/15 00Z,   0.60,   5.69,  99.90,   6.35,   0.06,
06/15 01Z,   0.60,   8.47,  99.90,   9.13,   0.06,
06/15 02Z,   0.60,  10.78,  99.90,  11.44,   0.06,
06/15 03Z,   0.80,  11.93,  99.90,  12.79,   0.06,  0.21 ft above HAT  (max)
06/15 04Z,   0.70,  11.56,  99.90,  12.32,   0.06,
06/15 05Z,   0.70,   9.87,  99.90,  10.63,   0.06,
06/15 06Z,   0.70,   7.29,  99.90,   8.05,   0.06,
06/15 07Z,   0.80,   4.27,  99.90,   5.13,   0.06,
06/15 08Z,   0.70,   1.31,  99.90,   2.07,   0.06,
06/15 09Z,   0.80,  -0.87,  99.90,  -0.01,   0.06,
06/15 10Z,   0.80,  -1.42,  99.90,  -0.56,   0.06,  (min)
06/15 11Z,   0.70,  -0.25,  99.90,   0.51,   0.06,
06/15 12Z,   0.80,   1.97,  99.90,   2.83,   0.06,
06/15 13Z,   0.80,   4.64,  99.90,   5.50,   0.06,
06/15 14Z,   0.80,   7.34,  99.90,   8.20,   0.06,
06/15 15Z,   0.70,   9.36,  99.90,  10.12,   0.06,
06/15 16Z,   0.70,  10.09,  99.90,  10.85,   0.06,  (max)
06/15 17Z,   0.70,   9.45,  99.90,  10.21,   0.06,
06/15 18Z,   0.70,   7.74,  99.90,   8.50,   0.06,
06/15 19Z,   0.60,   5.39,  99.90,   6.05,   0.06,
06/15 20Z,   0.80,   2.85,  99.90,   3.71,   0.06,
06/15 21Z,   0.80,   0.73,  99.90,   1.59,   0.06,
06/15 22Z,   0.80,  -0.08,  99.90,   0.78,   0.06,  (min)
06/15 23Z,   0.80,   0.88,  99.90,   1.74,   0.06,
06/16 00Z,   0.80,   3.13,  99.90,   3.99,   0.06,
06/16 01Z,   0.80,   5.92,  99.90,   6.78,   0.06,
06/16 02Z,   0.70,   8.75,  99.90,   9.51,   0.06,
06/16 03Z,   0.70,  11.04,  99.90,  11.80,   0.06,
06/16 04Z,   0.60,  12.08,  99.90,  12.74,   0.06,  0.16 ft above HAT  (max)
06/16 05Z,   0.60,  11.59,  99.90,  12.25,   0.06,
06/16 06Z,   0.60,   9.79,  99.90,  10.45,   0.06,
06/16 07Z,   0.60,   7.10,  99.90,   7.76,   0.06,
06/16 08Z,   0.60,   3.99,  99.90,   4.65,   0.06,
06/16 09Z,   0.60,   0.97,  99.90,   1.63,   0.06,
06/16 10Z,   0.60,  -1.12,  99.90,  -0.46,   0.06,
06/16 11Z,   0.60,  -1.48,  99.90,  -0.82,   0.06,  (min)
06/16 12Z,   0.60,  -0.17,  99.90,   0.49,   0.06,
06/16 13Z,  99.90,   2.13,  99.90,  99.90,   0.06,
06/16 14Z,  99.90,   4.88,  99.90,  99.90,   0.06,
06/16 15Z,  99.90,   7.60,  99.90,  99.90,   0.06,
06/16 16Z,  99.90,   9.56,  99.90,  99.90,   0.06,
06/16 17Z,  99.90,  10.18,  99.90,  99.90,   0.06,
06/16 18Z,  99.90,   9.45,  99.90,  99.90,   0.06,