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 : 10/13/2026 19:25:55 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 00Z,   0.20,  -9.33,  -8.81,  99.90,   0.32,  (min)
10/12 01Z,   0.20,  -7.27,  -6.95,  99.90,   0.12,
10/12 02Z,   0.20,  -4.71,  -4.39,  99.90,   0.12,
10/12 03Z,   0.30,  -2.25,  -1.93,  99.90,   0.02,
10/12 04Z,   0.30,  -0.68,  -0.35,  99.90,   0.03,
10/12 05Z,   0.40,  -0.37,   0.15,  99.90,   0.12,  (max)
10/12 06Z,   0.50,  -1.22,  -0.59,  99.90,   0.13,
10/12 07Z,   0.60,  -2.96,  -2.37,  99.90,  -0.01,
10/12 08Z,   0.60,  -5.25,  -4.39,  99.90,   0.26,
10/12 09Z,   0.70,  -7.69,  -6.69,  99.90,   0.30,
10/12 10Z,   0.70,  -9.48,  -8.64,  99.90,   0.14,
10/12 11Z,   0.70,  -9.84,  -9.11,  99.90,   0.03,  (min)
10/12 12Z,   0.50,  -8.78,  -7.95,  99.90,   0.33,
10/12 13Z,   0.60,  -6.87,  -6.13,  99.90,   0.14,
10/12 14Z,   0.60,  -4.46,  -3.81,  99.90,   0.05,
10/12 15Z,   0.60,  -2.00,  -1.41,  99.90,  -0.01,
10/12 16Z,   0.70,  -0.23,   0.27,  99.90,  -0.20,
10/12 17Z,   0.70,   0.31,   1.03,  99.90,   0.02,  (max)
10/12 18Z,   0.80,  -0.41,   0.08,  99.90,  -0.31,
10/12 19Z,   0.80,  -2.11,  -1.48,  99.90,  -0.17,
10/12 20Z,   0.80,  -4.45,  -3.70,  99.90,  -0.05,
10/12 21Z,   0.80,  -7.09,  -6.19,  99.90,   0.10,
10/12 22Z,   0.80,  -9.42,  -8.41,  99.90,   0.21,
10/12 23Z,   0.90, -10.56,  -9.65,  99.90,   0.01,  (min)
10/13 00Z,   1.00, -10.17,  -9.35,  99.90,  -0.18,
10/13 01Z,   1.00,  -8.69,  -7.63,  99.90,   0.06,
10/13 02Z,   1.00,  -6.57,  -5.59,  99.90,  -0.02,
10/13 03Z,   1.10,  -4.11,  -3.46,  99.90,  -0.45,
10/13 04Z,   1.20,  -1.95,  -1.34,  99.90,  -0.59,
10/13 05Z,   1.30,  -0.78,  -0.01,  99.90,  -0.53,
10/13 06Z,   1.10,  -0.84,   0.03,  99.90,  -0.23,  (max)
10/13 07Z,   1.20,  -1.95,  -1.07,  99.90,  -0.32,
10/13 08Z,   1.30,  -3.77,  -2.85,  99.90,  -0.38,
10/13 09Z,   1.30,  -5.97,  -4.94,  99.90,  -0.27,
10/13 10Z,   1.30,  -8.12,  -6.71,  99.90,   0.11,
10/13 11Z,   1.40,  -9.42,  -8.02,  99.90,   0.00,  (min)
10/13 12Z,   1.30,  -9.27,  -7.84,  99.90,   0.13,
10/13 13Z,   1.40,  -7.90,  -6.40,  99.90,   0.10,
10/13 14Z,   1.40,  -5.91,  -4.37,  99.90,   0.14,
10/13 15Z,   1.30,  -3.61,  -2.39,  99.90,  -0.08,
10/13 16Z,   1.20,  -1.44,  -0.17,  99.90,   0.07,
10/13 17Z,   1.20,  -0.12,   1.10,  99.90,   0.02,
10/13 18Z,   1.10,  -0.03,   1.26,  99.90,   0.19,  (max)
10/13 19Z,   1.10,  -1.09,   0.13,  99.90,   0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 20Z,   1.00,  -2.97,  99.90,  -1.85,   0.12,
10/13 21Z,   1.00,  -5.30,  99.90,  -4.18,   0.12,
10/13 22Z,   0.90,  -7.73,  99.90,  -6.71,   0.12,
10/13 23Z,   0.80,  -9.66,  99.90,  -8.74,   0.12,
10/14 00Z,   0.80, -10.30,  99.90,  -9.39,   0.11,  (min)
10/14 01Z,   0.80,  -9.55,  99.90,  -8.64,   0.11,
10/14 02Z,   0.70,  -7.94,  99.90,  -7.13,   0.11,
10/14 03Z,   0.60,  -5.87,  99.90,  -5.16,   0.11,
10/14 04Z,   0.60,  -3.63,  99.90,  -2.92,   0.11,
10/14 05Z,   0.50,  -1.83,  99.90,  -1.22,   0.11,
10/14 06Z,   0.50,  -1.06,  99.90,  -0.46,   0.10,  (max)
10/14 07Z,   0.40,  -1.44,  99.90,  -0.94,   0.10,
10/14 08Z,   0.40,  -2.71,  99.90,  -2.21,   0.10,
10/14 09Z,   0.40,  -4.52,  99.90,  -4.02,   0.10,
10/14 10Z,   0.40,  -6.54,  99.90,  -6.04,   0.10,
10/14 11Z,   0.40,  -8.33,  99.90,  -7.83,   0.10,
10/14 12Z,   0.40,  -9.14,  99.90,  -8.64,   0.10,  (min)
10/14 13Z,   0.40,  -8.56,  99.90,  -8.06,   0.10,
10/14 14Z,   0.30,  -7.01,  99.90,  -6.61,   0.10,
10/14 15Z,   0.30,  -5.06,  99.90,  -4.66,   0.10,
10/14 16Z,   0.20,  -2.96,  99.90,  -2.66,   0.10,
10/14 17Z,   0.10,  -1.15,  99.90,  -0.95,   0.10,
10/14 18Z,   0.10,  -0.26,  99.90,  -0.06,   0.10,  (max)
10/14 19Z,   0.10,  -0.56,  99.90,  -0.36,   0.10,
10/14 20Z,   0.10,  -1.86,  99.90,  -1.66,   0.10,
10/14 21Z,   0.10,  -3.79,  99.90,  -3.58,   0.10,
10/14 22Z,   0.20,  -5.99,  99.90,  -5.69,   0.10,
10/14 23Z,   0.20,  -8.14,  99.90,  -7.83,   0.10,
10/15 00Z,   0.20,  -9.63,  99.90,  -9.33,   0.10,
10/15 01Z,   0.20,  -9.84,  99.90,  -9.53,   0.10,  (min)
10/15 02Z,   0.20,  -8.84,  99.90,  -8.53,   0.10,
10/15 03Z,   0.10,  -7.22,  99.90,  -7.02,   0.10,
10/15 04Z,   0.10,  -5.29,  99.90,  -5.09,   0.10,
10/15 05Z,   0.00,  -3.32,  99.90,  -3.21,   0.10,
10/15 06Z,   0.00,  -1.88,  99.90,  -1.77,   0.10,
10/15 07Z,   0.00,  -1.46,  99.90,  -1.36,   0.10,  (max)
10/15 08Z,  -0.10,  -2.08,  99.90,  -2.07,   0.10,
10/15 09Z,  -0.10,  -3.42,  99.90,  -3.42,   0.10,
10/15 10Z,  -0.10,  -5.13,  99.90,  -5.13,   0.10,
10/15 11Z,   0.00,  -6.92,  99.90,  -6.81,   0.10,
10/15 12Z,   0.00,  -8.33,  99.90,  -8.23,   0.10,
10/15 13Z,  -0.10,  -8.71,  99.90,  -8.71,   0.10,  (min)
10/15 14Z,  -0.10,  -7.84,  99.90,  -7.83,   0.10,
10/15 15Z,  -0.10,  -6.24,  99.90,  -6.24,   0.10,
10/15 16Z,  -0.10,  -4.42,  99.90,  -4.42,   0.10,
10/15 17Z,  -0.10,  -2.57,  99.90,  -2.57,   0.10,
10/15 18Z,   0.00,  -1.11,  99.90,  -1.00,   0.10,
10/15 19Z,   0.00,  -0.59,  99.90,  -0.49,   0.10,  (max)
10/15 20Z,   0.10,  -1.17,  99.90,  -0.96,   0.10,
10/15 21Z,   0.20,  -2.58,  99.90,  -2.28,   0.10,
10/15 22Z,   0.40,  -4.45,  99.90,  -3.95,   0.10,
10/15 23Z,   0.50,  -6.46,  99.90,  -5.85,   0.10,
10/16 00Z,   0.60,  -8.30,  99.90,  -7.60,   0.10,
10/16 01Z,   0.60,  -9.40,  99.90,  -8.70,   0.10,  (min)
10/16 02Z,   0.60,  -9.27,  99.90,  -8.57,   0.10,
10/16 03Z,   0.60,  -8.17,  99.90,  -7.46,   0.10,
10/16 04Z,   0.60,  -6.64,  99.90,  -5.94,   0.10,
10/16 05Z,   0.60,  -4.90,  99.90,  -4.20,   0.10,
10/16 06Z,   0.50,  -3.18,  99.90,  -2.58,   0.10,
10/16 07Z,   0.50,  -2.05,  99.90,  -1.45,   0.10,
10/16 08Z,   0.60,  -1.90,  99.90,  -1.20,   0.10,  (max)
10/16 09Z,   0.60,  -2.66,  99.90,  -1.95,   0.10,
10/16 10Z,   0.70,  -3.98,  99.90,  -3.18,   0.10,
10/16 11Z,   0.70,  -5.55,  99.90,  -4.75,   0.10,
10/16 12Z,   0.70,  -7.09,  99.90,  -6.29,   0.10,
10/16 13Z,   0.90,  -8.18,  99.90,  -7.18,   0.10,
10/16 14Z,   0.80,  -8.24,  99.90,  -7.33,   0.10,  (min)
10/16 15Z,   0.80,  -7.20,  99.90,  -6.30,   0.10,
10/16 16Z,   0.70,  -5.68,  99.90,  -4.87,   0.10,
10/16 17Z,   0.60,  -4.04,  99.90,  -3.33,   0.10,
10/16 18Z,   0.70,  -2.41,  99.90,  -1.61,   0.10,
10/16 19Z,   0.50,  -1.23,  99.90,  -0.63,   0.10,
10/16 20Z,   0.60,  -0.98,  99.90,  -0.28,   0.10,  (max)
10/16 21Z,   0.50,  -1.72,  99.90,  -1.12,   0.10,
10/16 22Z,   0.60,  -3.15,  99.90,  -2.44,   0.10,
10/16 23Z,   0.50,  -4.90,  99.90,  -4.29,   0.10,
10/17 00Z,   0.50,  -6.70,  99.90,  -6.10,   0.10,
10/17 01Z,   0.50,  -8.28,  99.90,  -7.68,   0.10,
10/17 02Z,   0.40,  -9.08,  99.90,  -8.58,   0.10,  (min)
10/17 03Z,   0.10,  -8.75,  99.90,  -8.55,   0.10,
10/17 04Z,   0.10,  -7.64,  99.90,  -7.44,   0.10,
10/17 05Z,   0.00,  -6.25,  99.90,  -6.14,   0.10,
10/17 06Z,   0.10,  -4.67,  99.90,  -4.47,   0.10,
10/17 07Z,  -0.20,  -3.16,  99.90,  -3.26,   0.10,
10/17 08Z,  -0.50,  -2.26,  99.90,  -2.66,   0.10,  (max)
10/17 09Z,  -0.70,  -2.28,  99.90,  -2.88,   0.10,
10/17 10Z,  -0.50,  -3.09,  99.90,  -3.48,   0.10,
10/17 11Z,  -0.60,  -4.35,  99.90,  -4.85,   0.10,
10/17 12Z,  -0.70,  -5.77,  99.90,  -6.37,   0.10,