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
#Portland, ME : 04/24/2025 17:23:30 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/23 00Z,   0.30,   8.17,   8.34,  99.90,  -0.13,  (max)
04/23 01Z,   0.30,   7.19,   7.55,  99.90,   0.06,
04/23 02Z,   0.30,   5.57,   5.99,  99.90,   0.12,
04/23 03Z,   0.30,   3.70,   4.17,  99.90,   0.17,
04/23 04Z,   0.30,   2.17,   2.78,  99.90,   0.31,
04/23 05Z,   0.30,   1.45,   2.04,  99.90,   0.29,  (min)
04/23 06Z,   0.40,   1.66,   2.17,  99.90,   0.11,
04/23 07Z,   0.40,   2.73,   3.14,  99.90,   0.01,
04/23 08Z,   0.50,   4.46,   4.78,  99.90,  -0.18,
04/23 09Z,   0.50,   6.47,   6.73,  99.90,  -0.24,
04/23 10Z,   0.50,   8.18,   8.25,  99.90,  -0.43,
04/23 11Z,   0.40,   9.13,   9.19,  99.90,  -0.34,
04/23 12Z,   0.40,   9.13,   9.26,  99.90,  -0.27,  (max)
04/23 13Z,   0.40,   8.23,   8.29,  99.90,  -0.34,
04/23 14Z,   0.40,   6.54,   6.64,  99.90,  -0.30,
04/23 15Z,   0.40,   4.37,   4.44,  99.90,  -0.33,
04/23 16Z,   0.40,   2.29,   2.36,  99.90,  -0.33,
04/23 17Z,   0.40,   0.89,   1.04,  99.90,  -0.25,
04/23 18Z,   0.40,   0.49,   0.60,  99.90,  -0.29,  (min)
04/23 19Z,   0.40,   1.10,   1.13,  99.90,  -0.37,
04/23 20Z,   0.40,   2.58,   2.59,  99.90,  -0.39,
04/23 21Z,   0.40,   4.65,   4.64,  99.90,  -0.41,
04/23 22Z,   0.40,   6.77,   6.75,  99.90,  -0.42,
04/23 23Z,   0.40,   8.34,   8.28,  99.90,  -0.46,
04/24 00Z,   0.30,   9.01,   8.92,  99.90,  -0.39,  (max)
04/24 01Z,   0.30,   8.72,   8.72,  99.90,  -0.30,
04/24 02Z,   0.20,   7.51,   7.58,  99.90,  -0.13,
04/24 03Z,   0.20,   5.59,   5.67,  99.90,  -0.12,
04/24 04Z,   0.10,   3.42,   3.54,  99.90,   0.02,
04/24 05Z,   0.10,   1.66,   1.74,  99.90,  -0.02,
04/24 06Z,   0.10,   0.82,   0.94,  99.90,   0.02,  (min)
04/24 07Z,   0.10,   1.04,   1.11,  99.90,  -0.03,
04/24 08Z,   0.10,   2.25,   2.17,  99.90,  -0.18,
04/24 09Z,   0.10,   4.23,   4.15,  99.90,  -0.18,
04/24 10Z,   0.20,   6.50,   6.37,  99.90,  -0.33,
04/24 11Z,   0.20,   8.42,   8.21,  99.90,  -0.41,
04/24 12Z,   0.20,   9.47,   9.31,  99.90,  -0.36,
04/24 13Z,   0.20,   9.48,   9.35,  99.90,  -0.33,  (max)
04/24 14Z,   0.20,   8.47,   8.40,  99.90,  -0.27,
04/24 15Z,   0.10,   6.58,   6.59,  99.90,  -0.09,
04/24 16Z,   0.10,   4.17,   4.09,  99.90,  -0.18,
04/24 17Z,   0.10,   1.91,   1.91,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/24 18Z,   0.20,   0.44,  99.90,   0.54,  -0.10,
04/24 19Z,   0.20,   0.10,  99.90,   0.19,  -0.10,  (min)
04/24 20Z,   0.20,   0.90,  99.90,   1.00,  -0.11,
04/24 21Z,   0.20,   2.70,  99.90,   2.79,  -0.11,
04/24 22Z,   0.20,   5.10,  99.90,   5.18,  -0.11,
04/24 23Z,   0.30,   7.46,  99.90,   7.64,  -0.12,
04/25 00Z,   0.20,   9.14,  99.90,   9.22,  -0.12,
04/25 01Z,   0.30,   9.77,  99.90,   9.95,  -0.12,  (max)
04/25 02Z,   0.20,   9.30,  99.90,   9.37,  -0.13,
04/25 03Z,   0.30,   7.78,  99.90,   7.95,  -0.13,
04/25 04Z,   0.20,   5.47,  99.90,   5.54,  -0.13,
04/25 05Z,   0.20,   2.96,  99.90,   3.02,  -0.14,
04/25 06Z,   0.20,   0.98,  99.90,   1.04,  -0.14,
04/25 07Z,   0.20,   0.05,  99.90,   0.12,  -0.14,  (min)
04/25 08Z,   0.20,   0.35,  99.90,   0.41,  -0.14,
04/25 09Z,   0.30,   1.79,  99.90,   1.95,  -0.14,
04/25 10Z,   0.30,   4.07,  99.90,   4.24,  -0.14,
04/25 11Z,   0.30,   6.63,  99.90,   6.80,  -0.14,
04/25 12Z,   0.20,   8.74,  99.90,   8.80,  -0.14,
04/25 13Z,   0.20,   9.87,  99.90,   9.93,  -0.14,  (max)
04/25 14Z,   0.20,   9.83,  99.90,   9.89,  -0.14,
04/25 15Z,   0.10,   8.65,  99.90,   8.61,  -0.14,
04/25 16Z,   0.10,   6.49,  99.90,   6.45,  -0.14,
04/25 17Z,   0.10,   3.83,  99.90,   3.80,  -0.14,
04/25 18Z,   0.10,   1.43,  99.90,   1.39,  -0.14,
04/25 19Z,   0.20,  -0.04,  99.90,   0.02,  -0.14,
04/25 20Z,   0.20,  -0.23,  99.90,  -0.17,  -0.14,  (min)
04/25 21Z,   0.20,   0.85,  99.90,   0.92,  -0.14,
04/25 22Z,   0.30,   3.01,  99.90,   3.17,  -0.14,
04/25 23Z,   0.30,   5.74,  99.90,   5.90,  -0.14,
04/26 00Z,   0.30,   8.31,  99.90,   8.47,  -0.14,
04/26 01Z,   0.30,  10.02,  99.90,  10.18,  -0.14,
04/26 02Z,   0.30,  10.52,  99.90,  10.69,  -0.14,  (max)
04/26 03Z,   0.40,   9.78,  99.90,  10.04,  -0.14,
04/26 04Z,   0.30,   7.87,  99.90,   8.04,  -0.14,
04/26 05Z,   0.30,   5.16,  99.90,   5.33,  -0.14,
04/26 06Z,   0.30,   2.33,  99.90,   2.50,  -0.14,
04/26 07Z,   0.30,   0.20,  99.90,   0.36,  -0.14,
04/26 08Z,   0.30,  -0.72,  99.90,  -0.56,  -0.14,  (min)
04/26 09Z,   0.40,  -0.26,  99.90,   0.00,  -0.14,
04/26 10Z,   0.50,   1.45,  99.90,   1.82,  -0.14,
04/26 11Z,   0.50,   4.06,  99.90,   4.42,  -0.14,
04/26 12Z,   0.60,   6.87,  99.90,   7.33,  -0.14,
04/26 13Z,   0.70,   9.09,  99.90,   9.66,  -0.14,
04/26 14Z,   0.80,  10.22,  99.90,  10.88,  -0.14,  (max)
04/26 15Z,   0.80,  10.06,  99.90,  10.72,  -0.14,
04/26 16Z,   0.80,   8.66,  99.90,   9.33,  -0.14,
04/26 17Z,   0.70,   6.25,  99.90,   6.81,  -0.14,
04/26 18Z,   0.60,   3.39,  99.90,   3.86,  -0.14,
04/26 19Z,   0.50,   0.93,  99.90,   1.29,  -0.14,
04/26 20Z,   0.50,  -0.44,  99.90,  -0.08,  -0.14,  (min)
04/26 21Z,   0.50,  -0.40,  99.90,  -0.04,  -0.14,
04/26 22Z,   0.50,   1.01,  99.90,   1.38,  -0.14,
04/26 23Z,   0.50,   3.52,  99.90,   3.89,  -0.14,
04/27 00Z,   0.50,   6.52,  99.90,   6.88,  -0.14,
04/27 01Z,   0.40,   9.19,  99.90,   9.45,  -0.14,
04/27 02Z,   0.30,  10.82,  99.90,  10.99,  -0.14,
04/27 03Z,   0.20,  11.12,  99.90,  11.18,  -0.14,  (max)
04/27 04Z,   0.00,  10.04,  99.90,   9.91,  -0.14,
04/27 05Z,   0.00,   7.75,  99.90,   7.62,  -0.14,
04/27 06Z,  -0.10,   4.69,  99.90,   4.46,  -0.14,
04/27 07Z,  -0.10,   1.65,  99.90,   1.41,  -0.14,
04/27 08Z,  -0.10,  -0.54,  99.90,  -0.78,  -0.14,
04/27 09Z,  -0.10,  -1.35,  99.90,  -1.59,  -0.14,  (min)
04/27 10Z,  -0.10,  -0.68,  99.90,  -0.91,  -0.14,
04/27 11Z,   0.00,   1.32,  99.90,   1.19,  -0.14,
04/27 12Z,   0.00,   4.19,  99.90,   4.05,  -0.14,
04/27 13Z,   0.00,   7.15,  99.90,   7.01,  -0.14,
04/27 14Z,   0.00,   9.40,  99.90,   9.26,  -0.14,
04/27 15Z,   0.00,  10.43,  99.90,  10.30,  -0.14,  (max)
04/27 16Z,   0.00,  10.11,  99.90,   9.98,  -0.14,
04/27 17Z,   0.00,   8.50,  99.90,   8.36,  -0.14,
04/27 18Z,   0.00,   5.88,  99.90,   5.74,  -0.14,
04/27 19Z,   0.00,   2.92,  99.90,   2.79,  -0.14,
04/27 20Z,   0.00,   0.51,  99.90,   0.38,  -0.14,
04/27 21Z,   0.00,  -0.66,  99.90,  -0.80,  -0.14,  (min)
04/27 22Z,   0.00,  -0.34,  99.90,  -0.48,  -0.14,
04/27 23Z,   0.00,   1.39,  99.90,   1.25,  -0.14,
04/28 00Z,   0.00,   4.18,  99.90,   4.04,  -0.14,
04/28 01Z,   0.00,   7.32,  99.90,   7.18,  -0.14,
04/28 02Z,   0.00,   9.95,  99.90,   9.82,  -0.14,
04/28 03Z,   0.00,  11.42,  99.90,  11.28,  -0.14,
04/28 04Z,   0.00,  11.44,  99.90,  11.31,  -0.14,  (max)
04/28 05Z,   0.00,  10.05,  99.90,   9.91,  -0.14,
04/28 06Z,   0.00,   7.43,  99.90,   7.30,  -0.14,
04/28 07Z,   0.10,   4.14,  99.90,   4.10,  -0.14,
04/28 08Z,   0.10,   1.02,  99.90,   0.98,  -0.14,
04/28 09Z,   0.10,  -1.09,  99.90,  -1.13,  -0.14,
04/28 10Z,   0.20,  -1.73,  99.90,  -1.66,  -0.14,  (min)
04/28 11Z,   0.20,  -0.82,  99.90,  -0.75,  -0.14,
04/28 12Z,   0.10,   1.41,  99.90,   1.38,  -0.14,