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 : 05/15/2026 13:22:52 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 18Z,   0.00, -11.17, -11.05,  99.90,   0.12,
05/13 19Z,   0.00, -11.36, -11.30,  99.90,   0.06,  (min)
05/13 20Z,   0.00, -10.47, -10.46,  99.90,   0.01,
05/13 21Z,   0.00,  -8.68,  -8.72,  99.90,  -0.04,
05/13 22Z,   0.00,  -6.36,  -6.49,  99.90,  -0.13,
05/13 23Z,   0.00,  -4.11,  -4.26,  99.90,  -0.15,
05/14 00Z,   0.00,  -2.58,  -2.74,  99.90,  -0.16,
05/14 01Z,   0.00,  -2.08,  -2.26,  99.90,  -0.18,  (max)
05/14 02Z,   0.00,  -2.66,  -2.80,  99.90,  -0.14,
05/14 03Z,   0.00,  -4.22,  -4.26,  99.90,  -0.04,
05/14 04Z,   0.00,  -6.51,  -6.45,  99.90,   0.06,
05/14 05Z,   0.00,  -8.97,  -8.84,  99.90,   0.13,
05/14 06Z,   0.00, -10.89, -10.75,  99.90,   0.14,
05/14 07Z,   0.00, -11.79, -11.59,  99.90,   0.20,  (min)
05/14 08Z,   0.00, -11.53, -11.25,  99.90,   0.28,
05/14 09Z,   0.00, -10.20, -10.00,  99.90,   0.20,
05/14 10Z,   0.10,  -8.09,  -7.84,  99.90,   0.15,
05/14 11Z,   0.10,  -5.72,  -5.36,  99.90,   0.26,
05/14 12Z,   0.30,  -3.77,  -3.47,  99.90,  -0.00,
05/14 13Z,   0.30,  -2.74,  -2.41,  99.90,   0.03,  (max)
05/14 14Z,   0.30,  -2.79,  -2.48,  99.90,   0.01,
05/14 15Z,   0.40,  -3.88,  -3.44,  99.90,   0.04,
05/14 16Z,   0.40,  -5.84,  -5.39,  99.90,   0.05,
05/14 17Z,   0.40,  -8.24,  -7.89,  99.90,  -0.05,
05/14 18Z,   0.60, -10.35,  -9.82,  99.90,  -0.07,
05/14 19Z,   0.60, -11.55, -10.93,  99.90,   0.02,  (min)
05/14 20Z,   0.70, -11.54, -10.91,  99.90,  -0.07,
05/14 21Z,   0.80, -10.36,  -9.60,  99.90,  -0.04,
05/14 22Z,   0.80,  -8.24,  -7.42,  99.90,   0.02,
05/14 23Z,   0.90,  -5.64,  -4.70,  99.90,   0.04,
05/15 00Z,   0.90,  -3.28,  -2.40,  99.90,  -0.02,
05/15 01Z,   1.00,  -1.78,  -1.04,  99.90,  -0.26,
05/15 02Z,   1.00,  -1.47,  -0.75,  99.90,  -0.28,  (max)
05/15 03Z,   1.10,  -2.35,  -1.65,  99.90,  -0.40,
05/15 04Z,   1.10,  -4.28,  -3.54,  99.90,  -0.36,
05/15 05Z,   1.20,  -6.93,  -6.37,  99.90,  -0.64,
05/15 06Z,   1.10,  -9.64,  -9.03,  99.90,  -0.49,
05/15 07Z,   1.10, -11.65, -11.01,  99.90,  -0.46,
05/15 08Z,   1.10, -12.49, -11.68,  99.90,  -0.29,  (min)
05/15 09Z,   1.10, -12.03, -11.23,  99.90,  -0.30,
05/15 10Z,   1.10, -10.42,  -9.65,  99.90,  -0.33,
05/15 11Z,   1.10,  -8.02,  -7.07,  99.90,  -0.15,
05/15 12Z,   1.10,  -5.44,  -4.55,  99.90,  -0.21,
05/15 13Z,   1.10,  -3.41,  -2.62,  99.90,  -0.31,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 14Z,   1.00,  -2.43,  99.90,  -1.72,  -0.29,  (max)
05/15 15Z,   1.00,  -2.62,  99.90,  -1.90,  -0.28,
05/15 16Z,   0.90,  -3.92,  99.90,  -3.28,  -0.26,
05/15 17Z,   0.90,  -6.11,  99.90,  -5.46,  -0.24,
05/15 18Z,   0.80,  -8.66,  99.90,  -8.09,  -0.23,
05/15 19Z,   0.80, -10.80,  99.90, -10.21,  -0.21,
05/15 20Z,   0.70, -11.87,  99.90, -11.37,  -0.20,  (min)
05/15 21Z,   0.70, -11.62,  99.90, -11.10,  -0.18,
05/15 22Z,   0.60, -10.13,  99.90,  -9.70,  -0.17,
05/15 23Z,   0.50,  -7.70,  99.90,  -7.35,  -0.15,
05/16 00Z,   0.50,  -4.89,  99.90,  -4.52,  -0.14,
05/16 01Z,   0.50,  -2.47,  99.90,  -2.09,  -0.12,
05/16 02Z,   0.40,  -1.09,  99.90,  -0.82,  -0.12,
05/16 03Z,   0.40,  -1.02,  99.90,  -0.74,  -0.12,  (max)
05/16 04Z,   0.30,  -2.21,  99.90,  -2.03,  -0.12,
05/16 05Z,   0.30,  -4.49,  99.90,  -4.32,  -0.12,
05/16 06Z,   0.30,  -7.45,  99.90,  -7.27,  -0.12,
05/16 07Z,   0.30, -10.33,  99.90, -10.15,  -0.12,
05/16 08Z,   0.30, -12.35,  99.90, -12.17,  -0.12,
05/16 09Z,   0.30, -13.05,  99.90, -12.87,  -0.12,  (min)
05/16 10Z,   0.30, -12.37,  99.90, -12.19,  -0.12,
05/16 11Z,   0.40, -10.48,  99.90, -10.20,  -0.12,
05/16 12Z,   0.40,  -7.83,  99.90,  -7.55,  -0.12,
05/16 13Z,   0.30,  -5.11,  99.90,  -4.94,  -0.12,
05/16 14Z,   0.40,  -3.09,  99.90,  -2.81,  -0.12,
05/16 15Z,   0.30,  -2.20,  99.90,  -2.02,  -0.12,  (max)
05/16 16Z,   0.30,  -2.55,  99.90,  -2.37,  -0.12,
05/16 17Z,   0.30,  -4.06,  99.90,  -3.88,  -0.12,
05/16 18Z,   0.20,  -6.44,  99.90,  -6.36,  -0.12,
05/16 19Z,   0.20,  -9.09,  99.90,  -9.01,  -0.12,
05/16 20Z,   0.20, -11.18,  99.90, -11.10,  -0.12,
05/16 21Z,   0.20, -12.07,  99.90, -11.99,  -0.12,  (min)
05/16 22Z,   0.20, -11.57,  99.90, -11.49,  -0.12,
05/16 23Z,   0.20,  -9.79,  99.90,  -9.72,  -0.12,
05/17 00Z,   0.20,  -7.12,  99.90,  -7.04,  -0.12,
05/17 01Z,   0.20,  -4.19,  99.90,  -4.11,  -0.12,
05/17 02Z,   0.10,  -1.81,  99.90,  -1.83,  -0.12,
05/17 03Z,   0.10,  -0.60,  99.90,  -0.63,  -0.12,  (max)
05/17 04Z,   0.00,  -0.77,  99.90,  -0.89,  -0.12,
05/17 05Z,   0.00,  -2.25,  99.90,  -2.37,  -0.12,
05/17 06Z,   0.00,  -4.82,  99.90,  -4.95,  -0.12,
05/17 07Z,   0.00,  -7.99,  99.90,  -8.11,  -0.12,
05/17 08Z,   0.00, -10.93,  99.90, -11.05,  -0.12,
05/17 09Z,   0.00, -12.87,  99.90, -12.99,  -0.12,
05/17 10Z,   0.00, -13.40,  99.90, -13.52,  -0.12,  (min)
05/17 11Z,   0.00, -12.48,  99.90, -12.61,  -0.12,
05/17 12Z,   0.00, -10.37,  99.90, -10.50,  -0.12,
05/17 13Z,   0.00,  -7.56,  99.90,  -7.68,  -0.12,
05/17 14Z,   0.00,  -4.81,  99.90,  -4.93,  -0.12,
05/17 15Z,  -0.10,  -2.85,  99.90,  -3.07,  -0.12,
05/17 16Z,  -0.10,  -2.10,  99.90,  -2.32,  -0.12,  (max)
05/17 17Z,  -0.20,  -2.61,  99.90,  -2.93,  -0.12,
05/17 18Z,  -0.20,  -4.28,  99.90,  -4.61,  -0.12,
05/17 19Z,  -0.20,  -6.79,  99.90,  -7.11,  -0.12,
05/17 20Z,  -0.10,  -9.45,  99.90,  -9.67,  -0.12,
05/17 21Z,  -0.10, -11.42,  99.90, -11.64,  -0.12,
05/17 22Z,   0.00, -12.12,  99.90, -12.24,  -0.12,  (min)
05/17 23Z,   0.00, -11.39,  99.90, -11.51,  -0.12,
05/18 00Z,   0.00,  -9.40,  99.90,  -9.53,  -0.12,
05/18 01Z,   0.00,  -6.59,  99.90,  -6.71,  -0.12,
05/18 02Z,   0.00,  -3.65,  99.90,  -3.77,  -0.12,
05/18 03Z,   0.00,  -1.39,  99.90,  -1.51,  -0.12,
05/18 04Z,   0.00,  -0.38,  99.90,  -0.50,  -0.12,  (max)
05/18 05Z,  -0.10,  -0.76,  99.90,  -0.98,  -0.12,
05/18 06Z,  -0.10,  -2.45,  99.90,  -2.68,  -0.12,
05/18 07Z,  -0.10,  -5.21,  99.90,  -5.43,  -0.12,
05/18 08Z,   0.00,  -8.45,  99.90,  -8.57,  -0.12,
05/18 09Z,   0.00, -11.35,  99.90, -11.47,  -0.12,
05/18 10Z,   0.00, -13.14,  99.90, -13.26,  -0.12,
05/18 11Z,   0.10, -13.48,  99.90, -13.50,  -0.12,  (min)
05/18 12Z,   0.20, -12.39,  99.90, -12.31,  -0.12,
05/18 13Z,   0.30, -10.14,  99.90,  -9.97,  -0.12,
05/18 14Z,   0.30,  -7.28,  99.90,  -7.10,  -0.12,
05/18 15Z,   0.30,  -4.58,  99.90,  -4.40,  -0.12,
05/18 16Z,   0.20,  -2.75,  99.90,  -2.67,  -0.12,
05/18 17Z,   0.20,  -2.13,  99.90,  -2.05,  -0.12,  (max)
05/18 18Z,   0.20,  -2.77,  99.90,  -2.69,  -0.12,
05/18 19Z,   0.20,  -4.55,  99.90,  -4.47,  -0.12,
05/18 20Z,   0.20,  -7.09,  99.90,  -7.01,  -0.12,
05/18 21Z,   0.20,  -9.69,  99.90,  -9.61,  -0.12,
05/18 22Z,   0.20, -11.50,  99.90, -11.42,  -0.12,
05/18 23Z,   0.20, -12.01,  99.90, -11.93,  -0.12,  (min)
05/19 00Z,   0.30, -11.12,  99.90, -10.94,  -0.12,
05/19 01Z,   0.30,  -9.04,  99.90,  -8.86,  -0.12,
05/19 02Z,   0.30,  -6.20,  99.90,  -6.02,  -0.12,
05/19 03Z,   0.20,  -3.35,  99.90,  -3.27,  -0.12,
05/19 04Z,   0.20,  -1.25,  99.90,  -1.18,  -0.12,
05/19 05Z,   0.20,  -0.42,  99.90,  -0.34,  -0.12,  (max)
05/19 06Z,   0.10,  -0.95,  99.90,  -0.97,  -0.12,