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 : 05/18/2025 20:21:32 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,   0.80, -10.54,  -9.89,  99.90,  -0.15,
05/17 01Z,   0.80, -10.74,  -9.95,  99.90,  -0.01,  (min)
05/17 02Z,   0.80,  -9.67,  -8.71,  99.90,   0.16,
05/17 03Z,   0.80,  -7.86,  -7.25,  99.90,  -0.19,
05/17 04Z,   0.80,  -6.00,  -5.41,  99.90,  -0.21,
05/17 05Z,   0.80,  -4.32,  -3.49,  99.90,   0.03,
05/17 06Z,   0.80,  -3.08,  -2.23,  99.90,   0.05,
05/17 07Z,   0.80,  -2.75,  -1.87,  99.90,   0.08,  (max)
05/17 08Z,   0.80,  -3.52,  -2.54,  99.90,   0.18,
05/17 09Z,   0.90,  -5.14,  -4.31,  99.90,  -0.07,
05/17 10Z,   0.90,  -7.17,  -6.22,  99.90,   0.05,
05/17 11Z,   0.90,  -9.22,  -8.44,  99.90,  -0.12,
05/17 12Z,   0.90, -10.95, -10.08,  99.90,  -0.03,
05/17 13Z,   0.90, -11.91, -11.03,  99.90,  -0.02,  (min)
05/17 14Z,   0.90, -11.61, -10.53,  99.90,   0.18,
05/17 15Z,   1.00, -10.23,  -9.39,  99.90,  -0.16,
05/17 16Z,   1.00,  -8.48,  -7.89,  99.90,  -0.41,
05/17 17Z,   1.00,  -6.75,  -6.02,  99.90,  -0.27,
05/17 18Z,   1.00,  -5.16,  -4.30,  99.90,  -0.14,
05/17 19Z,   1.00,  -4.15,  -3.14,  99.90,   0.01,  (max)
05/17 20Z,   1.10,  -4.12,  -3.27,  99.90,  -0.25,
05/17 21Z,   1.00,  -5.03,  -4.18,  99.90,  -0.15,
05/17 22Z,   1.10,  -6.52,  -5.53,  99.90,  -0.11,
05/17 23Z,   1.10,  -8.18,  -7.16,  99.90,  -0.08,
05/18 00Z,   1.00,  -9.68,  -8.70,  99.90,  -0.02,
05/18 01Z,   1.00, -10.64,  -9.67,  99.90,  -0.03,  (min)
05/18 02Z,   1.00, -10.53,  -9.33,  99.90,   0.20,
05/18 03Z,   1.00,  -9.23,  -8.19,  99.90,   0.04,
05/18 04Z,   1.00,  -7.38,  -6.58,  99.90,  -0.20,
05/18 05Z,   0.90,  -5.59,  -4.68,  99.90,   0.01,
05/18 06Z,   0.90,  -4.03,  -3.13,  99.90,   0.00,
05/18 07Z,   0.90,  -2.99,  -1.96,  99.90,   0.13,
05/18 08Z,   0.90,  -2.92,  -1.96,  99.90,   0.06,  (max)
05/18 09Z,   0.80,  -3.91,  -3.12,  99.90,  -0.01,
05/18 10Z,   0.90,  -5.65,  -4.75,  99.90,   0.00,
05/18 11Z,   0.80,  -7.69,  -6.71,  99.90,   0.18,
05/18 12Z,   0.80,  -9.64,  -8.78,  99.90,   0.06,
05/18 13Z,   0.80, -11.20, -10.39,  99.90,   0.01,
05/18 14Z,   0.70, -11.89, -11.11,  99.90,   0.08,  (min)
05/18 15Z,   0.70, -11.30, -10.37,  99.90,   0.23,
05/18 16Z,   0.80,  -9.78,  -8.99,  99.90,  -0.01,
05/18 17Z,   0.80,  -8.02,  -7.45,  99.90,  -0.23,
05/18 18Z,   0.80,  -6.32,  -5.52,  99.90,   0.00,
05/18 19Z,   0.70,  -4.84,  -3.88,  99.90,   0.26,
05/18 20Z,   0.80,  -4.03,  -3.14,  99.90,   0.09,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 21Z,   0.70,  -4.21,  99.90,  -3.43,   0.08,
05/18 22Z,   0.70,  -5.28,  99.90,  -4.51,   0.07,
05/18 23Z,   0.70,  -6.84,  99.90,  -6.08,   0.06,
05/19 00Z,   0.60,  -8.49,  99.90,  -7.83,   0.06,
05/19 01Z,   0.60,  -9.91,  99.90,  -9.26,   0.05,
05/19 02Z,   0.60, -10.72,  99.90, -10.08,   0.04,  (min)
05/19 03Z,   0.60, -10.40,  99.90,  -9.77,   0.04,
05/19 04Z,   0.60,  -8.97,  99.90,  -8.34,   0.03,
05/19 05Z,   0.60,  -7.12,  99.90,  -6.50,   0.02,
05/19 06Z,   0.60,  -5.38,  99.90,  -4.76,   0.01,
05/19 07Z,   0.60,  -3.89,  99.90,  -3.28,   0.01,
05/19 08Z,   0.60,  -2.98,  99.90,  -2.38,   0.00,  (max)
05/19 09Z,   0.60,  -3.09,  99.90,  -2.49,   0.00,
05/19 10Z,   0.60,  -4.22,  99.90,  -3.62,   0.00,
05/19 11Z,   0.60,  -6.03,  99.90,  -5.43,   0.00,
05/19 12Z,   0.60,  -8.06,  99.90,  -7.45,   0.00,
05/19 13Z,   0.60,  -9.94,  99.90,  -9.34,   0.00,
05/19 14Z,   0.60, -11.38,  99.90, -10.78,   0.00,
05/19 15Z,   0.60, -11.86,  99.90, -11.26,   0.00,  (min)
05/19 16Z,   0.60, -11.06,  99.90, -10.46,   0.00,
05/19 17Z,   0.60,  -9.44,  99.90,  -8.84,   0.00,
05/19 18Z,   0.60,  -7.66,  99.90,  -7.06,   0.00,
05/19 19Z,   0.70,  -5.94,  99.90,  -5.24,   0.00,
05/19 20Z,   0.70,  -4.50,  99.90,  -3.80,   0.00,
05/19 21Z,   0.70,  -3.82,  99.90,  -3.12,   0.00,  (max)
05/19 22Z,   0.70,  -4.17,  99.90,  -3.47,   0.00,
05/19 23Z,   0.70,  -5.37,  99.90,  -4.67,   0.00,
05/20 00Z,   0.70,  -7.01,  99.90,  -6.31,   0.00,
05/20 01Z,   0.70,  -8.70,  99.90,  -8.00,   0.00,
05/20 02Z,   0.70, -10.12,  99.90,  -9.42,   0.00,
05/20 03Z,   0.70, -10.87,  99.90, -10.17,   0.00,  (min)
05/20 04Z,   0.70, -10.43,  99.90,  -9.73,   0.00,
05/20 05Z,   0.70,  -8.93,  99.90,  -8.23,   0.00,
05/20 06Z,   0.70,  -7.09,  99.90,  -6.39,   0.00,
05/20 07Z,   0.80,  -5.34,  99.90,  -4.54,   0.00,
05/20 08Z,   0.80,  -3.84,  99.90,  -3.04,   0.00,
05/20 09Z,   0.80,  -2.99,  99.90,  -2.18,   0.00,  (max)
05/20 10Z,   0.80,  -3.19,  99.90,  -2.39,   0.00,
05/20 11Z,   0.90,  -4.41,  99.90,  -3.51,   0.00,
05/20 12Z,   0.90,  -6.26,  99.90,  -5.36,   0.00,
05/20 13Z,   1.00,  -8.29,  99.90,  -7.29,   0.00,
05/20 14Z,   1.00, -10.16,  99.90,  -9.16,   0.00,
05/20 15Z,   1.00, -11.54,  99.90, -10.54,   0.00,
05/20 16Z,   1.00, -11.87,  99.90, -10.87,   0.00,  (min)
05/20 17Z,   1.00, -10.91,  99.90,  -9.91,   0.00,
05/20 18Z,   1.00,  -9.20,  99.90,  -8.20,   0.00,
05/20 19Z,   1.00,  -7.33,  99.90,  -6.33,   0.00,
05/20 20Z,   1.10,  -5.52,  99.90,  -4.42,   0.00,
05/20 21Z,   1.10,  -4.06,  99.90,  -2.96,   0.00,
05/20 22Z,   1.10,  -3.48,  99.90,  -2.38,   0.00,  (max)
05/20 23Z,   1.20,  -3.97,  99.90,  -2.77,   0.00,
05/21 00Z,   1.20,  -5.31,  99.90,  -4.11,   0.00,
05/21 01Z,   1.20,  -7.07,  99.90,  -5.87,   0.00,
05/21 02Z,   1.10,  -8.87,  99.90,  -7.77,   0.00,
05/21 03Z,   1.10, -10.39,  99.90,  -9.29,   0.00,
05/21 04Z,   1.20, -11.16,  99.90,  -9.96,   0.00,  (min)
05/21 05Z,   1.20, -10.66,  99.90,  -9.46,   0.00,
05/21 06Z,   1.20,  -9.13,  99.90,  -7.93,   0.00,
05/21 07Z,   1.10,  -7.25,  99.90,  -6.15,   0.00,
05/21 08Z,   1.20,  -5.41,  99.90,  -4.21,   0.00,
05/21 09Z,   1.10,  -3.81,  99.90,  -2.71,   0.00,
05/21 10Z,   1.10,  -2.95,  99.90,  -1.85,   0.00,  (max)
05/21 11Z,   1.10,  -3.20,  99.90,  -2.10,   0.00,
05/21 12Z,   1.10,  -4.48,  99.90,  -3.38,   0.00,
05/21 13Z,   1.10,  -6.37,  99.90,  -5.27,   0.00,
05/21 14Z,   1.10,  -8.44,  99.90,  -7.34,   0.00,
05/21 15Z,   1.10, -10.36,  99.90,  -9.26,   0.00,
05/21 16Z,   1.10, -11.73,  99.90, -10.62,   0.00,
05/21 17Z,   1.10, -11.94,  99.90, -10.84,   0.00,  (min)
05/21 18Z,   1.00, -10.84,  99.90,  -9.84,   0.00,
05/21 19Z,   1.10,  -8.99,  99.90,  -7.89,   0.00,
05/21 20Z,   1.00,  -6.98,  99.90,  -5.98,   0.00,
05/21 21Z,   1.10,  -5.02,  99.90,  -3.92,   0.00,
05/21 22Z,   1.00,  -3.51,  99.90,  -2.51,   0.00,
05/21 23Z,   1.10,  -3.00,  99.90,  -1.90,   0.00,  (max)
05/22 00Z,   1.10,  -3.64,  99.90,  -2.54,   0.00,
05/22 01Z,   1.10,  -5.15,  99.90,  -4.05,   0.00,
05/22 02Z,   1.10,  -7.09,  99.90,  -5.99,   0.00,
05/22 03Z,   1.10,  -9.08,  99.90,  -7.98,   0.00,
05/22 04Z,   1.10, -10.79,  99.90,  -9.69,   0.00,
05/22 05Z,   1.10, -11.62,  99.90, -10.52,   0.00,  (min)
05/22 06Z,   1.10, -11.09,  99.90,  -9.99,   0.00,
05/22 07Z,   1.10,  -9.50,  99.90,  -8.40,   0.00,
05/22 08Z,   1.20,  -7.53,  99.90,  -6.33,   0.00,
05/22 09Z,   1.30,  -5.52,  99.90,  -4.22,   0.00,
05/22 10Z,   1.40,  -3.77,  99.90,  -2.37,   0.00,
05/22 11Z,   1.40,  -2.85,  99.90,  -1.45,   0.00,  (max)
05/22 12Z,   1.50,  -3.13,  99.90,  -1.63,   0.00,