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 : 05/17/2025 11:21:41 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 12Z,   0.20,   0.49,   0.54,  99.90,  -0.15,  (min)
05/15 13Z,   0.20,   1.30,   1.28,  99.90,  -0.22,
05/15 14Z,   0.30,   2.88,   2.94,  99.90,  -0.24,
05/15 15Z,   0.30,   4.88,   5.14,  99.90,  -0.04,
05/15 16Z,   0.30,   6.73,   6.93,  99.90,  -0.10,
05/15 17Z,   0.30,   7.94,   8.21,  99.90,  -0.03,
05/15 18Z,   0.40,   8.29,   8.61,  99.90,  -0.08,  (max)
05/15 19Z,   0.40,   7.77,   8.13,  99.90,  -0.04,
05/15 20Z,   0.50,   6.48,   6.87,  99.90,  -0.11,
05/15 21Z,   0.50,   4.70,   4.93,  99.90,  -0.27,
05/15 22Z,   0.50,   2.97,   3.26,  99.90,  -0.21,
05/15 23Z,   0.60,   1.89,   2.15,  99.90,  -0.34,
05/16 00Z,   0.60,   1.78,   1.99,  99.90,  -0.39,  (min)
05/16 01Z,   0.60,   2.58,   2.82,  99.90,  -0.36,
05/16 02Z,   0.60,   4.13,   4.35,  99.90,  -0.38,
05/16 03Z,   0.60,   6.11,   6.45,  99.90,  -0.26,
05/16 04Z,   0.60,   8.00,   8.49,  99.90,  -0.11,
05/16 05Z,   0.60,   9.25,   9.72,  99.90,  -0.13,
05/16 06Z,   0.50,   9.54,  10.18,  99.90,   0.14,  (max)
05/16 07Z,   0.50,   8.88,   9.58,  99.90,   0.20,
05/16 08Z,   0.60,   7.39,   8.08,  99.90,   0.09,
05/16 09Z,   0.60,   5.30,   6.04,  99.90,   0.14,
05/16 10Z,   0.60,   3.07,   3.80,  99.90,   0.13,
05/16 11Z,   0.60,   1.35,   2.02,  99.90,   0.07,
05/16 12Z,   0.60,   0.55,   1.19,  99.90,   0.04,  (min)
05/16 13Z,   0.60,   0.76,   1.34,  99.90,  -0.02,
05/16 14Z,   0.60,   1.84,   2.31,  99.90,  -0.13,
05/16 15Z,   0.60,   3.56,   4.05,  99.90,  -0.11,
05/16 16Z,   0.70,   5.51,   6.11,  99.90,  -0.10,
05/16 17Z,   0.70,   7.16,   7.77,  99.90,  -0.09,
05/16 18Z,   0.70,   8.07,   8.70,  99.90,  -0.07,
05/16 19Z,   0.80,   8.11,   8.79,  99.90,  -0.12,  (max)
05/16 20Z,   0.80,   7.35,   8.11,  99.90,  -0.04,
05/16 21Z,   0.80,   5.91,   6.53,  99.90,  -0.18,
05/16 22Z,   0.80,   4.14,   4.69,  99.90,  -0.25,
05/16 23Z,   0.90,   2.59,   3.20,  99.90,  -0.29,
05/17 00Z,   0.90,   1.82,   2.36,  99.90,  -0.36,  (min)
05/17 01Z,   0.90,   2.02,   2.54,  99.90,  -0.38,
05/17 02Z,   0.90,   3.07,   3.61,  99.90,  -0.36,
05/17 03Z,   0.90,   4.75,   5.26,  99.90,  -0.39,
05/17 04Z,   0.90,   6.70,   7.39,  99.90,  -0.21,
05/17 05Z,   0.90,   8.41,   9.19,  99.90,  -0.12,
05/17 06Z,   0.90,   9.37,  10.06,  99.90,  -0.21,  (max)
05/17 07Z,   0.90,   9.35,  10.03,  99.90,  -0.22,
05/17 08Z,   0.90,   8.43,   9.38,  99.90,   0.05,
05/17 09Z,   1.00,   6.76,   7.58,  99.90,  -0.18,
05/17 10Z,   1.00,   4.63,   5.36,  99.90,  -0.27,
05/17 11Z,   1.00,   2.53,   3.30,  99.90,  -0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 12Z,   1.00,   1.07,  99.90,   1.85,  -0.22,
05/17 13Z,   1.10,   0.59,  99.90,   1.48,  -0.21,  (min)
05/17 14Z,   1.10,   1.08,  99.90,   1.98,  -0.20,
05/17 15Z,   1.10,   2.35,  99.90,   3.26,  -0.19,
05/17 16Z,   1.10,   4.15,  99.90,   5.06,  -0.18,
05/17 17Z,   1.10,   6.03,  99.90,   6.96,  -0.18,
05/17 18Z,   1.10,   7.48,  99.90,   8.42,  -0.17,
05/17 19Z,   1.10,   8.14,  99.90,   9.08,  -0.16,  (max)
05/17 20Z,   1.10,   7.94,  99.90,   8.89,  -0.15,
05/17 21Z,   1.10,   6.99,  99.90,   7.94,  -0.14,
05/17 22Z,   1.10,   5.45,  99.90,   6.42,  -0.13,
05/17 23Z,   1.20,   3.71,  99.90,   4.79,  -0.12,
05/18 00Z,   1.10,   2.34,  99.90,   3.32,  -0.12,
05/18 01Z,   1.10,   1.82,  99.90,   2.79,  -0.12,  (min)
05/18 02Z,   1.10,   2.25,  99.90,   3.22,  -0.12,
05/18 03Z,   1.10,   3.47,  99.90,   4.44,  -0.12,
05/18 04Z,   1.10,   5.21,  99.90,   6.19,  -0.12,
05/18 05Z,   1.10,   7.12,  99.90,   8.10,  -0.12,
05/18 06Z,   1.10,   8.66,  99.90,   9.63,  -0.12,
05/18 07Z,   1.10,   9.37,  99.90,  10.35,  -0.12,  (max)
05/18 08Z,   1.00,   9.12,  99.90,  10.00,  -0.12,
05/18 09Z,   1.10,   8.02,  99.90,   8.99,  -0.12,
05/18 10Z,   1.10,   6.24,  99.90,   7.22,  -0.12,
05/18 11Z,   1.10,   4.10,  99.90,   5.08,  -0.12,
05/18 12Z,   1.10,   2.13,  99.90,   3.11,  -0.12,
05/18 13Z,   1.10,   0.90,  99.90,   1.87,  -0.12,
05/18 14Z,   1.10,   0.67,  99.90,   1.65,  -0.12,  (min)
05/18 15Z,   1.10,   1.37,  99.90,   2.35,  -0.12,
05/18 16Z,   1.00,   2.79,  99.90,   3.66,  -0.12,
05/18 17Z,   1.00,   4.64,  99.90,   5.51,  -0.12,
05/18 18Z,   1.00,   6.46,  99.90,   7.34,  -0.12,
05/18 19Z,   1.00,   7.76,  99.90,   8.63,  -0.12,
05/18 20Z,   1.10,   8.22,  99.90,   9.19,  -0.12,  (max)
05/18 21Z,   1.10,   7.84,  99.90,   8.81,  -0.12,
05/18 22Z,   1.10,   6.74,  99.90,   7.72,  -0.12,
05/18 23Z,   1.10,   5.13,  99.90,   6.10,  -0.12,
05/19 00Z,   1.10,   3.41,  99.90,   4.38,  -0.12,
05/19 01Z,   1.10,   2.16,  99.90,   3.14,  -0.12,
05/19 02Z,   1.00,   1.80,  99.90,   2.68,  -0.12,  (min)
05/19 03Z,   1.00,   2.38,  99.90,   3.26,  -0.12,
05/19 04Z,   1.00,   3.70,  99.90,   4.58,  -0.12,
05/19 05Z,   0.90,   5.49,  99.90,   6.27,  -0.12,
05/19 06Z,   0.90,   7.36,  99.90,   8.14,  -0.12,
05/19 07Z,   0.90,   8.78,  99.90,   9.55,  -0.12,
05/19 08Z,   1.00,   9.33,  99.90,  10.20,  -0.12,  (max)
05/19 09Z,   1.00,   8.93,  99.90,   9.80,  -0.12,
05/19 10Z,   1.00,   7.70,  99.90,   8.58,  -0.12,
05/19 11Z,   1.00,   5.85,  99.90,   6.73,  -0.12,
05/19 12Z,   1.00,   3.71,  99.90,   4.59,  -0.12,
05/19 13Z,   1.00,   1.85,  99.90,   2.72,  -0.12,
05/19 14Z,   0.90,   0.78,  99.90,   1.56,  -0.12,
05/19 15Z,   0.90,   0.74,  99.90,   1.51,  -0.12,  (min)
05/19 16Z,   0.80,   1.59,  99.90,   2.27,  -0.12,
05/19 17Z,   0.80,   3.13,  99.90,   3.81,  -0.12,
05/19 18Z,   0.70,   5.05,  99.90,   5.63,  -0.12,
05/19 19Z,   0.80,   6.86,  99.90,   7.54,  -0.12,
05/19 20Z,   0.80,   8.05,  99.90,   8.73,  -0.12,
05/19 21Z,   0.80,   8.38,  99.90,   9.06,  -0.12,  (max)
05/19 22Z,   0.90,   7.86,  99.90,   8.64,  -0.12,
05/19 23Z,   0.90,   6.64,  99.90,   7.41,  -0.12,
05/20 00Z,   0.90,   4.92,  99.90,   5.70,  -0.12,
05/20 01Z,   0.90,   3.18,  99.90,   3.95,  -0.12,
05/20 02Z,   0.90,   1.98,  99.90,   2.76,  -0.12,
05/20 03Z,   0.80,   1.70,  99.90,   2.38,  -0.12,  (min)
05/20 04Z,   0.80,   2.35,  99.90,   3.03,  -0.12,
05/20 05Z,   0.80,   3.73,  99.90,   4.41,  -0.12,
05/20 06Z,   0.80,   5.58,  99.90,   6.25,  -0.12,
05/20 07Z,   0.90,   7.45,  99.90,   8.23,  -0.12,
05/20 08Z,   0.90,   8.81,  99.90,   9.59,  -0.12,
05/20 09Z,   0.90,   9.28,  99.90,  10.06,  -0.12,  (max)
05/20 10Z,   1.00,   8.80,  99.90,   9.68,  -0.12,
05/20 11Z,   1.00,   7.50,  99.90,   8.38,  -0.12,
05/20 12Z,   1.00,   5.59,  99.90,   6.47,  -0.12,
05/20 13Z,   1.00,   3.44,  99.90,   4.31,  -0.12,
05/20 14Z,   1.00,   1.63,  99.90,   2.50,  -0.12,
05/20 15Z,   1.00,   0.67,  99.90,   1.55,  -0.12,  (min)
05/20 16Z,   1.00,   0.75,  99.90,   1.63,  -0.12,
05/20 17Z,   1.00,   1.74,  99.90,   2.61,  -0.12,
05/20 18Z,   1.00,   3.42,  99.90,   4.29,  -0.12,
05/20 19Z,   1.00,   5.44,  99.90,   6.31,  -0.12,
05/20 20Z,   1.10,   7.28,  99.90,   8.26,  -0.12,
05/20 21Z,   1.10,   8.43,  99.90,   9.41,  -0.12,
05/20 22Z,   1.10,   8.67,  99.90,   9.65,  -0.12,  (max)
05/20 23Z,   1.10,   8.04,  99.90,   9.02,  -0.12,
05/21 00Z,   1.10,   6.67,  99.90,   7.65,  -0.12,