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 : 11/15/2025 15:21:35 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/14 00Z,   0.50,  -3.66,  -3.19,  99.90,  -0.03,  (max)
11/14 01Z,   0.50,  -4.94,  -4.57,  99.90,  -0.13,
11/14 02Z,   0.50,  -6.79,  -6.33,  99.90,  -0.04,
11/14 03Z,   0.50,  -8.98,  -8.38,  99.90,   0.10,
11/14 04Z,   0.50, -10.87, -10.27,  99.90,   0.10,
11/14 05Z,   0.50, -11.72, -11.21,  99.90,   0.01,  (min)
11/14 06Z,   0.40, -11.48, -10.72,  99.90,   0.36,
11/14 07Z,   0.50, -10.46,  -9.60,  99.90,   0.36,
11/14 08Z,   0.50,  -8.76,  -7.93,  99.90,   0.33,
11/14 09Z,   0.50,  -6.61,  -6.01,  99.90,   0.10,
11/14 10Z,   0.50,  -4.70,  -4.09,  99.90,   0.11,
11/14 11Z,   0.50,  -3.60,  -2.85,  99.90,   0.25,  (max)
11/14 12Z,   0.60,  -3.47,  -3.06,  99.90,  -0.19,
11/14 13Z,   0.50,  -4.19,  -3.88,  99.90,  -0.19,
11/14 14Z,   0.50,  -5.62,  -5.40,  99.90,  -0.28,
11/14 15Z,   0.50,  -7.59,  -7.32,  99.90,  -0.23,
11/14 16Z,   0.50,  -9.64,  -9.28,  99.90,  -0.14,
11/14 17Z,   0.50, -10.98, -10.90,  99.90,  -0.42,
11/14 18Z,   0.50, -11.18, -11.19,  99.90,  -0.51,  (min)
11/14 19Z,   0.50, -10.50, -10.27,  99.90,  -0.27,
11/14 20Z,   0.50,  -9.15,  -9.04,  99.90,  -0.39,
11/14 21Z,   0.60,  -7.20,  -7.21,  99.90,  -0.61,
11/14 22Z,   0.60,  -5.18,  -5.19,  99.90,  -0.61,
11/14 23Z,   0.60,  -3.79,  -3.51,  99.90,  -0.32,
11/15 00Z,   0.40,  -3.35,  -2.94,  99.90,   0.01,  (max)
11/15 01Z,   0.40,  -3.81,  -3.57,  99.90,  -0.16,
11/15 02Z,   0.40,  -5.01,  -4.59,  99.90,   0.02,
11/15 03Z,   0.40,  -6.83,  -6.35,  99.90,   0.08,
11/15 04Z,   0.40,  -9.00,  -8.31,  99.90,   0.29,
11/15 05Z,   0.40, -10.82, -10.11,  99.90,   0.31,
11/15 06Z,   0.30, -11.58, -11.03,  99.90,   0.25,  (min)
11/15 07Z,   0.30, -11.29, -10.68,  99.90,   0.31,
11/15 08Z,   0.30, -10.22,  -9.47,  99.90,   0.45,
11/15 09Z,   0.30,  -8.43,  -7.86,  99.90,   0.27,
11/15 10Z,   0.30,  -6.23,  -5.83,  99.90,   0.10,
11/15 11Z,   0.30,  -4.36,  -3.92,  99.90,   0.14,
11/15 12Z,   0.30,  -3.34,  -2.81,  99.90,   0.23,  (max)
11/15 13Z,   0.30,  -3.30,  -2.92,  99.90,   0.08,
11/15 14Z,   0.20,  -4.12,  -3.88,  99.90,   0.04,
11/15 15Z,   0.20,  -5.66,  -5.29,  99.90,   0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/15 16Z,   0.20,  -7.76,  99.90,  -7.39,   0.16,
11/15 17Z,   0.20,  -9.88,  99.90,  -9.53,   0.16,
11/15 18Z,   0.20, -11.21,  99.90, -10.86,   0.15,
11/15 19Z,   0.20, -11.41,  99.90, -11.07,   0.14,  (min)
11/15 20Z,   0.20, -10.73,  99.90, -10.40,   0.14,
11/15 21Z,   0.20,  -9.30,  99.90,  -8.98,   0.13,
11/15 22Z,   0.20,  -7.26,  99.90,  -6.94,   0.12,
11/15 23Z,   0.20,  -5.22,  99.90,  -4.91,   0.12,
11/16 00Z,   0.30,  -3.86,  99.90,  -3.45,   0.11,
11/16 01Z,   0.20,  -3.45,  99.90,  -3.15,   0.10,  (max)
11/16 02Z,   0.20,  -3.94,  99.90,  -3.65,   0.09,
11/16 03Z,   0.30,  -5.18,  99.90,  -4.80,   0.09,
11/16 04Z,   0.20,  -7.05,  99.90,  -6.76,   0.09,
11/16 05Z,   0.20,  -9.22,  99.90,  -8.93,   0.09,
11/16 06Z,   0.40, -10.91,  99.90, -10.42,   0.09,
11/16 07Z,   0.30, -11.50,  99.90, -11.11,   0.09,  (min)
11/16 08Z,   0.40, -11.06,  99.90, -10.57,   0.09,
11/16 09Z,   0.40,  -9.84,  99.90,  -9.35,   0.09,
11/16 10Z,   0.50,  -7.90,  99.90,  -7.31,   0.09,
11/16 11Z,   0.50,  -5.66,  99.90,  -5.08,   0.09,
11/16 12Z,   0.60,  -3.89,  99.90,  -3.20,   0.09,
11/16 13Z,   0.50,  -3.05,  99.90,  -2.46,   0.09,  (max)
11/16 14Z,   0.40,  -3.19,  99.90,  -2.71,   0.09,
11/16 15Z,   0.30,  -4.20,  99.90,  -3.81,   0.09,
11/16 16Z,   0.20,  -5.93,  99.90,  -5.65,   0.09,
11/16 17Z,   0.10,  -8.19,  99.90,  -8.00,   0.09,
11/16 18Z,   0.00, -10.34,  99.90, -10.25,   0.09,
11/16 19Z,   0.00, -11.57,  99.90, -11.48,   0.09,
11/16 20Z,   0.00, -11.64,  99.90, -11.55,   0.09,  (min)
11/16 21Z,   0.00, -10.83,  99.90, -10.74,   0.09,
11/16 22Z,   0.10,  -9.24,  99.90,  -9.05,   0.09,
11/16 23Z,   0.20,  -7.09,  99.90,  -6.80,   0.09,
11/17 00Z,   0.20,  -5.05,  99.90,  -4.77,   0.09,
11/17 01Z,   0.10,  -3.80,  99.90,  -3.61,   0.09,
11/17 02Z,   0.00,  -3.52,  99.90,  -3.44,   0.09,  (max)
11/17 03Z,   0.00,  -4.14,  99.90,  -4.05,   0.09,
11/17 04Z,  -0.20,  -5.50,  99.90,  -5.61,   0.09,
11/17 05Z,  -0.30,  -7.45,  99.90,  -7.66,   0.09,
11/17 06Z,  -0.40,  -9.58,  99.90,  -9.90,   0.09,
11/17 07Z,  -0.50, -11.08,  99.90, -11.49,   0.09,
11/17 08Z,  -0.50, -11.40,  99.90, -11.81,   0.09,  (min)
11/17 09Z,  -0.60, -10.72,  99.90, -11.23,   0.09,
11/17 10Z,  -0.70,  -9.27,  99.90,  -9.88,   0.09,
11/17 11Z,  -0.80,  -7.18,  99.90,  -7.89,   0.09,
11/17 12Z,  -0.80,  -4.96,  99.90,  -5.67,   0.09,
11/17 13Z,  -0.90,  -3.37,  99.90,  -4.19,   0.09,
11/17 14Z,  -0.90,  -2.80,  99.90,  -3.61,   0.09,  (max)
11/17 15Z,  -1.00,  -3.24,  99.90,  -4.15,   0.09,
11/17 16Z,  -1.00,  -4.51,  99.90,  -5.42,   0.09,
11/17 17Z,  -1.10,  -6.47,  99.90,  -7.48,   0.09,
11/17 18Z,  -1.10,  -8.84,  99.90,  -9.85,   0.09,
11/17 19Z,  -1.20, -10.92,  99.90, -12.03,   0.09,
11/17 20Z,  -1.20, -11.93,  99.90, -13.04,   0.09,  (min)
11/17 21Z,  -1.20, -11.76,  99.90, -12.88,   0.09,
11/17 22Z,  -1.10, -10.73,  99.90, -11.74,   0.09,
11/17 23Z,  -1.10,  -8.93,  99.90,  -9.94,   0.09,
11/18 00Z,  -1.10,  -6.69,  99.90,  -7.70,   0.09,
11/18 01Z,  -1.10,  -4.74,  99.90,  -5.76,   0.09,
11/18 02Z,  -1.10,  -3.68,  99.90,  -4.70,   0.09,
11/18 03Z,  -1.10,  -3.63,  99.90,  -4.64,   0.09,  (max)
11/18 04Z,  -1.10,  -4.45,  99.90,  -5.47,   0.09,
11/18 05Z,  -1.00,  -5.98,  99.90,  -6.89,   0.09,
11/18 06Z,  -0.90,  -8.01,  99.90,  -8.82,   0.09,
11/18 07Z,  -0.80, -10.04,  99.90, -10.75,   0.09,
11/18 08Z,  -0.80, -11.23,  99.90, -11.94,   0.09,  (min)
11/18 09Z,  -0.70, -11.19,  99.90, -11.80,   0.09,
11/18 10Z,  -0.70, -10.21,  99.90, -10.82,   0.09,
11/18 11Z,  -0.70,  -8.52,  99.90,  -9.14,   0.09,
11/18 12Z,  -0.70,  -6.33,  99.90,  -6.94,   0.09,
11/18 13Z,  -0.70,  -4.22,  99.90,  -4.83,   0.09,
11/18 14Z,  -0.80,  -2.92,  99.90,  -3.64,   0.09,
11/18 15Z,  -0.80,  -2.71,  99.90,  -3.42,   0.09,  (max)
11/18 16Z,  -0.80,  -3.49,  99.90,  -4.20,   0.09,
11/18 17Z,  -0.80,  -5.06,  99.90,  -5.77,   0.09,
11/18 18Z,  -0.80,  -7.22,  99.90,  -7.93,   0.09,
11/18 19Z,  -0.70,  -9.63,  99.90, -10.25,   0.09,
11/18 20Z,  -0.60, -11.51,  99.90, -12.03,   0.09,
11/18 21Z,  -0.60, -12.18,  99.90, -12.69,   0.09,  (min)
11/18 22Z,  -0.60, -11.69,  99.90, -12.20,   0.09,
11/18 23Z,  -0.60, -10.38,  99.90, -10.89,   0.09,
11/19 00Z,  -0.60,  -8.40,  99.90,  -8.91,   0.09,
11/19 01Z,  -0.60,  -6.15,  99.90,  -6.66,   0.09,
11/19 02Z,  -0.70,  -4.39,  99.90,  -5.00,   0.09,
11/19 03Z,  -0.70,  -3.61,  99.90,  -4.22,   0.09,  (max)
11/19 04Z,  -0.70,  -3.85,  99.90,  -4.46,   0.09,
11/19 05Z,  -0.60,  -4.92,  99.90,  -5.43,   0.09,
11/19 06Z,  -0.60,  -6.61,  99.90,  -7.12,   0.09,
11/19 07Z,  99.90,  -8.67,  99.90,  99.90,   0.09,
11/19 08Z,  99.90, -10.50,  99.90,  99.90,   0.09,
11/19 09Z,  99.90, -11.29,  99.90,  99.90,   0.09,
11/19 10Z,  99.90, -10.84,  99.90,  99.90,   0.09,
11/19 11Z,  99.90,  -9.53,  99.90,  99.90,   0.09,
11/19 12Z,  99.90,  -7.65,  99.90,  99.90,   0.09,