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 : 10/14/2026 19:22:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/13 00Z,   1.00,   0.21,   0.93,  99.90,  -0.28,  (min)
10/13 01Z,   1.00,   1.80,   2.36,  99.90,  -0.44,
10/13 02Z,   1.00,   4.14,   4.74,  99.90,  -0.40,
10/13 03Z,   1.10,   6.54,   7.18,  99.90,  -0.46,
10/13 04Z,   1.20,   8.35,   8.91,  99.90,  -0.64,
10/13 05Z,   1.20,   9.23,   9.82,  99.90,  -0.61,  (max)
10/13 06Z,   0.90,   9.04,   9.66,  99.90,  -0.28,
10/13 07Z,   1.00,   7.79,   8.40,  99.90,  -0.39,
10/13 08Z,   1.00,   5.72,   6.49,  99.90,  -0.23,
10/13 09Z,   1.10,   3.44,   4.26,  99.90,  -0.28,
10/13 10Z,   1.20,   1.65,   2.63,  99.90,  -0.22,
10/13 11Z,   1.30,   0.82,   1.94,  99.90,  -0.18,  (min)
10/13 12Z,   1.30,   1.10,   2.26,  99.90,  -0.14,
10/13 13Z,   1.30,   2.46,   3.61,  99.90,  -0.15,
10/13 14Z,   1.30,   4.63,   5.81,  99.90,  -0.12,
10/13 15Z,   1.20,   7.00,   8.18,  99.90,  -0.02,
10/13 16Z,   1.10,   8.89,  10.09,  99.90,   0.10,
10/13 17Z,   1.10,   9.86,  10.99,  99.90,   0.03,  (max)
10/13 18Z,   1.20,   9.76,  10.95,  99.90,  -0.01,
10/13 19Z,   1.10,   8.60,   9.82,  99.90,   0.12,
10/13 20Z,   1.10,   6.53,   7.64,  99.90,   0.01,
10/13 21Z,   1.00,   4.03,   5.20,  99.90,   0.17,
10/13 22Z,   1.10,   1.79,   2.93,  99.90,   0.04,
10/13 23Z,   1.00,   0.38,   1.50,  99.90,   0.12,
10/14 00Z,   1.00,   0.05,   1.19,  99.90,   0.14,  (min)
10/14 01Z,   1.00,   0.82,   1.92,  99.90,   0.10,
10/14 02Z,   1.00,   2.55,   3.52,  99.90,  -0.03,
10/14 03Z,   0.90,   4.80,   5.80,  99.90,   0.10,
10/14 04Z,   0.80,   6.93,   7.81,  99.90,   0.08,
10/14 05Z,   0.80,   8.37,   9.20,  99.90,   0.03,
10/14 06Z,   0.80,   8.88,   9.82,  99.90,   0.14,  (max)
10/14 07Z,   0.80,   8.41,   9.27,  99.90,   0.06,
10/14 08Z,   0.80,   7.01,   7.90,  99.90,   0.09,
10/14 09Z,   0.80,   5.00,   5.70,  99.90,  -0.10,
10/14 10Z,   0.80,   2.99,   3.74,  99.90,  -0.05,
10/14 11Z,   0.80,   1.61,   2.33,  99.90,  -0.08,
10/14 12Z,   0.70,   1.19,   1.78,  99.90,  -0.11,  (min)
10/14 13Z,   0.70,   1.80,   2.36,  99.90,  -0.14,
10/14 14Z,   0.60,   3.33,   3.90,  99.90,  -0.03,
10/14 15Z,   0.60,   5.45,   5.99,  99.90,  -0.06,
10/14 16Z,   0.60,   7.56,   8.23,  99.90,   0.07,
10/14 17Z,   0.60,   9.07,   9.67,  99.90,   0.00,
10/14 18Z,   0.50,   9.63,  10.35,  99.90,   0.22,  (max)
10/14 19Z,   0.50,   9.20,   9.99,  99.90,   0.29,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 20Z,   0.50,   7.83,  99.90,   8.58,   0.26,
10/14 21Z,   0.50,   5.73,  99.90,   6.45,   0.22,
10/14 22Z,   0.50,   3.42,  99.90,   4.11,   0.19,
10/14 23Z,   0.60,   1.53,  99.90,   2.29,   0.16,
10/15 00Z,   0.50,   0.52,  99.90,   1.15,   0.13,
10/15 01Z,   0.50,   0.52,  99.90,   1.11,   0.09,  (min)
10/15 02Z,   0.50,   1.49,  99.90,   2.05,   0.06,
10/15 03Z,   0.40,   3.24,  99.90,   3.67,   0.03,
10/15 04Z,   0.30,   5.33,  99.90,   5.62,  -0.01,
10/15 05Z,   0.30,   7.14,  99.90,   7.40,  -0.04,
10/15 06Z,   0.20,   8.23,  99.90,   8.36,  -0.07,
10/15 07Z,   0.10,   8.44,  99.90,   8.43,  -0.11,  (max)
10/15 08Z,   0.10,   7.77,  99.90,   7.77,  -0.11,
10/15 09Z,   0.00,   6.32,  99.90,   6.22,  -0.11,
10/15 10Z,   0.00,   4.45,  99.90,   4.34,  -0.11,
10/15 11Z,   0.00,   2.74,  99.90,   2.63,  -0.11,
10/15 12Z,   0.00,   1.74,  99.90,   1.63,  -0.11,
10/15 13Z,  -0.10,   1.66,  99.90,   1.45,  -0.11,  (min)
10/15 14Z,  -0.10,   2.48,  99.90,   2.27,  -0.11,
10/15 15Z,   0.00,   4.06,  99.90,   3.95,  -0.11,
10/15 16Z,   0.00,   6.05,  99.90,   5.94,  -0.11,
10/15 17Z,   0.00,   7.87,  99.90,   7.76,  -0.11,
10/15 18Z,   0.10,   9.02,  99.90,   9.01,  -0.11,
10/15 19Z,   0.20,   9.25,  99.90,   9.35,  -0.11,  (max)
10/15 20Z,   0.40,   8.60,  99.90,   8.89,  -0.11,
10/15 21Z,   0.50,   7.13,  99.90,   7.52,  -0.11,
10/15 22Z,   0.70,   5.10,  99.90,   5.69,  -0.11,
10/15 23Z,   0.80,   3.03,  99.90,   3.73,  -0.11,
10/16 00Z,   0.90,   1.50,  99.90,   2.29,  -0.11,
10/16 01Z,   1.00,   0.82,  99.90,   1.71,  -0.11,  (min)
10/16 02Z,   0.90,   1.05,  99.90,   1.84,  -0.11,
10/16 03Z,   0.90,   2.11,  99.90,   2.90,  -0.11,
10/16 04Z,   0.80,   3.80,  99.90,   4.50,  -0.11,
10/16 05Z,   0.80,   5.68,  99.90,   6.37,  -0.11,
10/16 06Z,   0.80,   7.20,  99.90,   7.89,  -0.11,
10/16 07Z,   0.80,   8.00,  99.90,   8.69,  -0.11,
10/16 08Z,   0.90,   8.00,  99.90,   8.79,  -0.11,  (max)
10/16 09Z,   0.90,   7.22,  99.90,   8.01,  -0.11,
10/16 10Z,   1.00,   5.79,  99.90,   6.68,  -0.11,
10/16 11Z,   1.00,   4.08,  99.90,   4.98,  -0.11,
10/16 12Z,   1.10,   2.67,  99.90,   3.66,  -0.11,
10/16 13Z,   1.10,   1.97,  99.90,   2.96,  -0.11,  (min)
10/16 14Z,   1.10,   2.12,  99.90,   3.11,  -0.11,
10/16 15Z,   1.10,   3.04,  99.90,   4.03,  -0.11,
10/16 16Z,   1.00,   4.58,  99.90,   5.48,  -0.11,
10/16 17Z,   0.90,   6.40,  99.90,   7.20,  -0.11,
10/16 18Z,   0.90,   7.96,  99.90,   8.76,  -0.11,
10/16 19Z,   0.90,   8.82,  99.90,   9.62,  -0.11,
10/16 20Z,   1.10,   8.84,  99.90,   9.84,  -0.11,  (max)
10/16 21Z,   1.10,   8.07,  99.90,   9.06,  -0.11,
10/16 22Z,   1.10,   6.59,  99.90,   7.58,  -0.11,
10/16 23Z,   1.00,   4.69,  99.90,   5.58,  -0.11,
10/17 00Z,   0.90,   2.86,  99.90,   3.65,  -0.11,
10/17 01Z,   0.70,   1.61,  99.90,   2.20,  -0.11,
10/17 02Z,   0.60,   1.17,  99.90,   1.66,  -0.11,  (min)
10/17 03Z,   0.60,   1.52,  99.90,   2.02,  -0.11,
10/17 04Z,   0.40,   2.60,  99.90,   2.89,  -0.11,
10/17 05Z,   0.30,   4.20,  99.90,   4.39,  -0.11,
10/17 06Z,   0.30,   5.88,  99.90,   6.07,  -0.11,
10/17 07Z,   0.30,   7.16,  99.90,   7.35,  -0.11,
10/17 08Z,   0.20,   7.75,  99.90,   7.85,  -0.11,  (max)
10/17 09Z,   0.10,   7.63,  99.90,   7.62,  -0.11,
10/17 10Z,   0.00,   6.81,  99.90,   6.71,  -0.11,
10/17 11Z,   0.00,   5.44,  99.90,   5.33,  -0.11,
10/17 12Z,   0.00,   3.89,  99.90,   3.78,  -0.11,
10/17 13Z,  -0.10,   2.70,  99.90,   2.49,  -0.11,
10/17 14Z,  -0.10,   2.21,  99.90,   2.00,  -0.11,  (min)
10/17 15Z,  -0.20,   2.47,  99.90,   2.16,  -0.11,
10/17 16Z,  -0.30,   3.42,  99.90,   3.01,  -0.11,
10/17 17Z,  -0.30,   4.89,  99.90,   4.49,  -0.11,
10/17 18Z,  -0.30,   6.56,  99.90,   6.16,  -0.11,
10/17 19Z,  -0.40,   7.92,  99.90,   7.41,  -0.11,
10/17 20Z,  -0.20,   8.59,  99.90,   8.29,  -0.11,
10/17 21Z,  -0.10,   8.50,  99.90,   8.29,  -0.11,  (max)
10/17 22Z,  -0.10,   7.68,  99.90,   7.47,  -0.11,
10/17 23Z,   0.00,   6.24,  99.90,   6.13,  -0.11,
10/18 00Z,   0.00,   4.46,  99.90,   4.35,  -0.11,
10/18 01Z,   0.00,   2.82,  99.90,   2.71,  -0.11,
10/18 02Z,   0.10,   1.77,  99.90,   1.76,  -0.11,
10/18 03Z,   0.10,   1.46,  99.90,   1.45,  -0.11,  (min)
10/18 04Z,   0.00,   1.87,  99.90,   1.76,  -0.11,
10/18 05Z,   0.00,   2.93,  99.90,   2.82,  -0.11,
10/18 06Z,   0.10,   4.45,  99.90,   4.44,  -0.11,
10/18 07Z,   0.20,   5.99,  99.90,   6.08,  -0.11,
10/18 08Z,   0.30,   7.11,  99.90,   7.31,  -0.11,
10/18 09Z,   0.50,   7.60,  99.90,   7.99,  -0.11,
10/18 10Z,   0.70,   7.41,  99.90,   8.00,  -0.11,  (max)
10/18 11Z,   0.80,   6.58,  99.90,   7.27,  -0.11,
10/18 12Z,   0.90,   5.25,  99.90,   6.04,  -0.11,