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 : 04/26/2025 05:29:37 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 12Z,   0.20,  -2.84,  -2.96,  99.90,  -0.32,
04/24 13Z,   0.20,  -2.53,  -2.74,  99.90,  -0.41,  (max)
04/24 14Z,   0.20,  -3.43,  -3.61,  99.90,  -0.38,
04/24 15Z,   0.10,  -5.19,  -5.25,  99.90,  -0.16,
04/24 16Z,   0.10,  -7.41,  -7.34,  99.90,  -0.03,
04/24 17Z,   0.10,  -9.72,  -9.61,  99.90,   0.01,
04/24 18Z,   0.10, -11.66, -11.60,  99.90,  -0.04,
04/24 19Z,   0.20, -12.49, -12.26,  99.90,   0.03,  (min)
04/24 20Z,   0.20, -11.80, -11.50,  99.90,   0.10,
04/24 21Z,   0.20, -10.03,  -9.95,  99.90,  -0.12,
04/24 22Z,   0.20,  -7.79,  -7.80,  99.90,  -0.21,
04/24 23Z,   0.20,  -5.43,  -5.60,  99.90,  -0.37,
04/25 00Z,   0.10,  -3.41,  -3.59,  99.90,  -0.28,
04/25 01Z,   0.10,  -2.41,  -2.55,  99.90,  -0.24,  (max)
04/25 02Z,   0.00,  -2.71,  -2.87,  99.90,  -0.16,
04/25 03Z,   0.00,  -4.13,  -4.19,  99.90,  -0.06,
04/25 04Z,   0.00,  -6.25,  -6.11,  99.90,   0.14,
04/25 05Z,   0.00,  -8.67,  -8.51,  99.90,   0.16,
04/25 06Z,   0.00, -10.97, -10.68,  99.90,   0.29,
04/25 07Z,   0.00, -12.46, -12.25,  99.90,   0.21,  (min)
04/25 08Z,   0.00, -12.44, -12.04,  99.90,   0.40,
04/25 09Z,   0.00, -11.00, -10.61,  99.90,   0.39,
04/25 10Z,   0.10,  -8.81,  -8.64,  99.90,   0.07,
04/25 11Z,   0.10,  -6.33,  -6.38,  99.90,  -0.15,
04/25 12Z,   0.10,  -3.98,  -4.04,  99.90,  -0.16,
04/25 13Z,   0.10,  -2.42,  -2.56,  99.90,  -0.24,
04/25 14Z,   0.10,  -2.18,  -2.40,  99.90,  -0.32,  (max)
04/25 15Z,   0.10,  -3.22,  -3.39,  99.90,  -0.27,
04/25 16Z,   0.10,  -5.20,  -5.30,  99.90,  -0.20,
04/25 17Z,   0.10,  -7.66,  -7.57,  99.90,  -0.01,
04/25 18Z,   0.20, -10.19, -10.06,  99.90,  -0.07,
04/25 19Z,   0.20, -12.21, -12.08,  99.90,  -0.07,
04/25 20Z,   0.20, -12.88, -12.74,  99.90,  -0.06,  (min)
04/25 21Z,   0.20, -11.90, -11.54,  99.90,   0.16,
04/25 22Z,   0.30,  -9.80,  -9.67,  99.90,  -0.17,
04/25 23Z,   0.30,  -7.23,  -7.22,  99.90,  -0.29,
04/26 00Z,   0.30,  -4.59,  -4.53,  99.90,  -0.24,
04/26 01Z,   0.30,  -2.49,  -2.45,  99.90,  -0.26,
04/26 02Z,   0.30,  -1.61,  -1.72,  99.90,  -0.41,  (max)
04/26 03Z,   0.20,  -2.18,  -2.22,  99.90,  -0.24,
04/26 04Z,   0.20,  -3.94,  -3.94,  99.90,  -0.20,
04/26 05Z,   0.20,  -6.43,  -6.23,  99.90,   0.00,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/26 06Z,   0.20,  -9.22,  99.90,  -9.02,  -0.00,
04/26 07Z,   0.20, -11.77,  99.90, -11.58,  -0.01,
04/26 08Z,   0.20, -13.29,  99.90, -13.10,  -0.01,  (min)
04/26 09Z,   0.30, -13.10,  99.90, -12.81,  -0.02,
04/26 10Z,   0.30, -11.40,  99.90, -11.12,  -0.02,
04/26 11Z,   0.30,  -8.92,  99.90,  -8.64,  -0.03,
04/26 12Z,   0.30,  -6.15,  99.90,  -5.88,  -0.03,
04/26 13Z,   0.30,  -3.61,  99.90,  -3.34,  -0.04,
04/26 14Z,   0.30,  -2.04,  99.90,  -1.78,  -0.04,
04/26 15Z,   0.30,  -1.92,  99.90,  -1.66,  -0.04,  (max)
04/26 16Z,   0.30,  -3.15,  99.90,  -2.90,  -0.05,
04/26 17Z,   0.20,  -5.35,  99.90,  -5.21,  -0.05,
04/26 18Z,   0.10,  -8.03,  99.90,  -7.99,  -0.05,
04/26 19Z,   0.10, -10.72,  99.90, -10.68,  -0.05,
04/26 20Z,   0.20, -12.70,  99.90, -12.56,  -0.05,
04/26 21Z,   0.10, -13.12,  99.90, -13.08,  -0.05,  (min)
04/26 22Z,   0.20, -11.79,  99.90, -11.65,  -0.05,
04/26 23Z,   0.10,  -9.36,  99.90,  -9.32,  -0.05,
04/27 00Z,   0.20,  -6.51,  99.90,  -6.36,  -0.05,
04/27 01Z,   0.10,  -3.69,  99.90,  -3.64,  -0.05,
04/27 02Z,   0.20,  -1.62,  99.90,  -1.48,  -0.05,
04/27 03Z,   0.20,  -0.97,  99.90,  -0.82,  -0.05,  (max)
04/27 04Z,   0.10,  -1.85,  99.90,  -1.81,  -0.05,
04/27 05Z,   0.00,  -3.95,  99.90,  -4.01,  -0.05,
04/27 06Z,   0.00,  -6.79,  99.90,  -6.84,  -0.05,
04/27 07Z,   0.00,  -9.87,  99.90,  -9.92,  -0.05,
04/27 08Z,  -0.30, -12.57,  99.90, -12.92,  -0.05,
04/27 09Z,  -0.40, -13.99,  99.90, -14.45,  -0.05,  (min)
04/27 10Z,  -0.40, -13.54,  99.90, -14.00,  -0.05,
04/27 11Z,  -0.40, -11.58,  99.90, -12.03,  -0.05,
04/27 12Z,  -0.40,  -8.86,  99.90,  -9.31,  -0.05,
04/27 13Z,  -0.40,  -5.88,  99.90,  -6.34,  -0.05,
04/27 14Z,  -0.30,  -3.27,  99.90,  -3.62,  -0.05,
04/27 15Z,  -0.30,  -1.79,  99.90,  -2.14,  -0.05,
04/27 16Z,  -0.20,  -1.84,  99.90,  -2.09,  -0.05,  (max)
04/27 17Z,  -0.30,  -3.27,  99.90,  -3.62,  -0.05,
04/27 18Z,  -0.30,  -5.65,  99.90,  -6.01,  -0.05,
04/27 19Z,  -0.30,  -8.48,  99.90,  -8.84,  -0.05,
04/27 20Z,  -0.20, -11.22,  99.90, -11.47,  -0.05,
04/27 21Z,  -0.20, -13.05,  99.90, -13.30,  -0.05,  (min)
04/27 22Z,  -0.10, -13.14,  99.90, -13.30,  -0.05,
04/27 23Z,  -0.10, -11.47,  99.90, -11.62,  -0.05,
04/28 00Z,   0.00,  -8.78,  99.90,  -8.83,  -0.05,
04/28 01Z,   0.00,  -5.74,  99.90,  -5.79,  -0.05,
04/28 02Z,   0.00,  -2.88,  99.90,  -2.93,  -0.05,
04/28 03Z,   0.00,  -0.96,  99.90,  -1.02,  -0.05,
04/28 04Z,   0.00,  -0.59,  99.90,  -0.64,  -0.05,  (max)
04/28 05Z,   0.00,  -1.78,  99.90,  -1.84,  -0.05,
04/28 06Z,   0.10,  -4.18,  99.90,  -4.13,  -0.05,
04/28 07Z,   0.10,  -7.26,  99.90,  -7.21,  -0.05,
04/28 08Z,   0.20, -10.50,  99.90, -10.35,  -0.05,
04/28 09Z,   0.20, -13.20,  99.90, -13.05,  -0.05,
04/28 10Z,   0.20, -14.42,  99.90, -14.28,  -0.05,  (min)
04/28 11Z,   0.20, -13.70,  99.90, -13.55,  -0.05,
04/28 12Z,   0.20, -11.52,  99.90, -11.38,  -0.05,
04/28 13Z,   0.20,  -8.65,  99.90,  -8.50,  -0.05,
04/28 14Z,   0.30,  -5.60,  99.90,  -5.35,  -0.05,
04/28 15Z,   0.30,  -3.03,  99.90,  -2.78,  -0.05,
04/28 16Z,   0.40,  -1.72,  99.90,  -1.37,  -0.05,  (max)
04/28 17Z,   0.40,  -1.96,  99.90,  -1.62,  -0.05,
04/28 18Z,   0.40,  -3.56,  99.90,  -3.21,  -0.05,
04/28 19Z,   0.30,  -6.05,  99.90,  -5.81,  -0.05,
04/28 20Z,   0.30,  -8.92,  99.90,  -8.68,  -0.05,
04/28 21Z,   0.40, -11.59,  99.90, -11.24,  -0.05,
04/28 22Z,   0.40, -13.17,  99.90, -12.83,  -0.05,  (min)
04/28 23Z,   0.50, -12.92,  99.90, -12.47,  -0.05,
04/29 00Z,   0.50, -10.97,  99.90, -10.52,  -0.05,
04/29 01Z,   0.50,  -8.14,  99.90,  -7.69,  -0.05,
04/29 02Z,   0.40,  -5.06,  99.90,  -4.71,  -0.05,
04/29 03Z,   0.40,  -2.29,  99.90,  -1.94,  -0.05,
04/29 04Z,   0.30,  -0.61,  99.90,  -0.36,  -0.05,
04/29 05Z,   0.30,  -0.52,  99.90,  -0.28,  -0.05,  (max)
04/29 06Z,   0.20,  -1.98,  99.90,  -1.83,  -0.05,
04/29 07Z,   0.30,  -4.56,  99.90,  -4.31,  -0.05,
04/29 08Z,   0.30,  -7.75,  99.90,  -7.50,  -0.05,
04/29 09Z,   0.30, -10.99,  99.90, -10.75,  -0.05,
04/29 10Z,   0.30, -13.56,  99.90, -13.31,  -0.05,
04/29 11Z,   0.30, -14.52,  99.90, -14.27,  -0.05,  (min)
04/29 12Z,   0.40, -13.54,  99.90, -13.20,  -0.05,
04/29 13Z,   0.40, -11.26,  99.90, -10.91,  -0.05,
04/29 14Z,   0.40,  -8.37,  99.90,  -8.02,  -0.05,
04/29 15Z,   0.40,  -5.36,  99.90,  -5.02,  -0.05,
04/29 16Z,   0.40,  -2.95,  99.90,  -2.61,  -0.05,
04/29 17Z,   0.40,  -1.85,  99.90,  -1.51,  -0.05,  (max)
04/29 18Z,   0.40,  -2.28,  99.90,  -1.93,  -0.05,
04/29 19Z,   0.40,  -3.97,  99.90,  -3.63,  -0.05,
04/29 20Z,   0.40,  -6.47,  99.90,  -6.13,  -0.05,
04/29 21Z,   0.40,  -9.27,  99.90,  -8.93,  -0.05,
04/29 22Z,   0.40, -11.76,  99.90, -11.41,  -0.05,
04/29 23Z,   0.40, -13.05,  99.90, -12.70,  -0.05,  (min)
04/30 00Z,   0.40, -12.48,  99.90, -12.14,  -0.05,