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 : 05/20/2025 17:24:04 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 00Z,   1.00,  -8.58,  -7.81,  99.90,  -0.23,
05/19 01Z,   1.00,  -9.83,  -9.00,  99.90,  -0.17,
05/19 02Z,   1.00, -10.19,  -9.36,  99.90,  -0.17,  (min)
05/19 03Z,   0.90,  -9.61,  -8.92,  99.90,  -0.21,
05/19 04Z,   0.90,  -8.29,  -7.68,  99.90,  -0.29,
05/19 05Z,   0.90,  -6.50,  -5.77,  99.90,  -0.17,
05/19 06Z,   0.90,  -4.63,  -3.91,  99.90,  -0.18,
05/19 07Z,   0.90,  -3.21,  -2.51,  99.90,  -0.20,
05/19 08Z,   0.90,  -2.66,  -1.83,  99.90,  -0.07,  (max)
05/19 09Z,   0.90,  -3.06,  -2.16,  99.90,   0.00,
05/19 10Z,   0.80,  -4.29,  -3.45,  99.90,   0.04,
05/19 11Z,   0.80,  -6.14,  -5.34,  99.90,   0.00,
05/19 12Z,   0.80,  -8.28,  -7.47,  99.90,   0.01,
05/19 13Z,   0.80, -10.14,  -9.38,  99.90,  -0.04,
05/19 14Z,   0.80, -11.21, -10.49,  99.90,  -0.08,
05/19 15Z,   0.70, -11.25, -10.66,  99.90,  -0.11,  (min)
05/19 16Z,   0.70, -10.40,  -9.91,  99.90,  -0.21,
05/19 17Z,   0.70,  -8.86,  -8.37,  99.90,  -0.21,
05/19 18Z,   0.80,  -6.94,  -6.38,  99.90,  -0.24,
05/19 19Z,   0.80,  -5.13,  -4.62,  99.90,  -0.29,
05/19 20Z,   0.80,  -3.94,  -3.39,  99.90,  -0.25,
05/19 21Z,   0.80,  -3.61,  -3.05,  99.90,  -0.24,  (max)
05/19 22Z,   0.80,  -4.13,  -3.46,  99.90,  -0.13,
05/19 23Z,   0.80,  -5.35,  -4.78,  99.90,  -0.23,
05/20 00Z,   0.70,  -7.07,  -6.62,  99.90,  -0.25,
05/20 01Z,   0.70,  -8.81,  -8.23,  99.90,  -0.12,
05/20 02Z,   0.70, -10.01,  -9.47,  99.90,  -0.16,
05/20 03Z,   0.70, -10.29,  -9.71,  99.90,  -0.12,  (min)
05/20 04Z,   0.70,  -9.64,  -9.20,  99.90,  -0.26,
05/20 05Z,   0.70,  -8.26,  -7.94,  99.90,  -0.38,
05/20 06Z,   0.60,  -6.41,  -6.00,  99.90,  -0.19,
05/20 07Z,   0.70,  -4.54,  -4.15,  99.90,  -0.31,
05/20 08Z,   0.70,  -3.18,  -2.80,  99.90,  -0.32,
05/20 09Z,   0.70,  -2.71,  -2.18,  99.90,  -0.17,  (max)
05/20 10Z,   0.70,  -3.19,  -2.63,  99.90,  -0.14,
05/20 11Z,   0.70,  -4.49,  -3.86,  99.90,  -0.07,
05/20 12Z,   0.70,  -6.40,  -5.74,  99.90,  -0.04,
05/20 13Z,   0.70,  -8.55,  -7.83,  99.90,   0.02,
05/20 14Z,   0.70, -10.36,  -9.55,  99.90,   0.11,
05/20 15Z,   0.80, -11.32, -10.39,  99.90,   0.13,
05/20 16Z,   0.80, -11.24, -10.40,  99.90,   0.04,  (min)
05/20 17Z,   0.90, -10.25,  -9.44,  99.90,  -0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 18Z,   0.90,  -8.57,  99.90,  -7.77,  -0.09,
05/20 19Z,   1.00,  -6.55,  99.90,  -5.65,  -0.10,
05/20 20Z,   1.10,  -4.71,  99.90,  -3.71,  -0.10,
05/20 21Z,   1.10,  -3.56,  99.90,  -2.56,  -0.10,
05/20 22Z,   1.10,  -3.32,  99.90,  -2.32,  -0.11,  (max)
05/20 23Z,   1.00,  -3.95,  99.90,  -3.06,  -0.11,
05/21 00Z,   1.00,  -5.32,  99.90,  -4.43,  -0.11,
05/21 01Z,   1.00,  -7.18,  99.90,  -6.30,  -0.12,
05/21 02Z,   1.10,  -9.02,  99.90,  -8.04,  -0.12,
05/21 03Z,   1.10, -10.26,  99.90,  -9.28,  -0.12,
05/21 04Z,   1.10, -10.54,  99.90,  -9.56,  -0.13,  (min)
05/21 05Z,   1.00,  -9.86,  99.90,  -8.99,  -0.13,
05/21 06Z,   1.00,  -8.42,  99.90,  -7.55,  -0.13,
05/21 07Z,   1.00,  -6.49,  99.90,  -5.63,  -0.13,
05/21 08Z,   0.90,  -4.56,  99.90,  -3.79,  -0.13,
05/21 09Z,   0.90,  -3.17,  99.90,  -2.40,  -0.13,
05/21 10Z,   0.90,  -2.71,  99.90,  -1.94,  -0.13,  (max)
05/21 11Z,   0.90,  -3.22,  99.90,  -2.45,  -0.13,
05/21 12Z,   0.90,  -4.57,  99.90,  -3.80,  -0.13,
05/21 13Z,   0.90,  -6.55,  99.90,  -5.78,  -0.13,
05/21 14Z,   0.90,  -8.75,  99.90,  -7.98,  -0.13,
05/21 15Z,   0.80, -10.56,  99.90,  -9.89,  -0.13,
05/21 16Z,   0.80, -11.45,  99.90, -10.78,  -0.13,  (min)
05/21 17Z,   0.80, -11.28,  99.90, -10.61,  -0.13,
05/21 18Z,   0.80, -10.16,  99.90,  -9.49,  -0.13,
05/21 19Z,   0.80,  -8.32,  99.90,  -7.65,  -0.13,
05/21 20Z,   0.90,  -6.14,  99.90,  -5.37,  -0.13,
05/21 21Z,   0.90,  -4.22,  99.90,  -3.45,  -0.13,
05/21 22Z,   0.90,  -3.06,  99.90,  -2.29,  -0.13,
05/21 23Z,   0.80,  -2.88,  99.90,  -2.22,  -0.13,  (max)
05/22 00Z,   0.80,  -3.64,  99.90,  -2.97,  -0.13,
05/22 01Z,   0.80,  -5.20,  99.90,  -4.53,  -0.13,
05/22 02Z,   0.80,  -7.27,  99.90,  -6.60,  -0.13,
05/22 03Z,   0.80,  -9.28,  99.90,  -8.61,  -0.13,
05/22 04Z,   0.70, -10.62,  99.90, -10.05,  -0.13,
05/22 05Z,   0.70, -10.95,  99.90, -10.39,  -0.13,  (min)
05/22 06Z,   0.70, -10.27,  99.90,  -9.71,  -0.13,
05/22 07Z,   0.70,  -8.75,  99.90,  -8.18,  -0.13,
05/22 08Z,   0.70,  -6.69,  99.90,  -6.12,  -0.13,
05/22 09Z,   0.70,  -4.62,  99.90,  -4.05,  -0.13,
05/22 10Z,   0.80,  -3.15,  99.90,  -2.49,  -0.13,
05/22 11Z,   0.80,  -2.65,  99.90,  -1.98,  -0.13,  (max)
05/22 12Z,   0.90,  -3.15,  99.90,  -2.38,  -0.13,
05/22 13Z,   0.90,  -4.55,  99.90,  -3.78,  -0.13,
05/22 14Z,   0.90,  -6.63,  99.90,  -5.86,  -0.13,
05/22 15Z,   0.90,  -8.92,  99.90,  -8.15,  -0.13,
05/22 16Z,   0.90, -10.76,  99.90,  -9.99,  -0.13,
05/22 17Z,   0.90, -11.62,  99.90, -10.85,  -0.13,  (min)
05/22 18Z,   1.00, -11.37,  99.90, -10.50,  -0.13,
05/22 19Z,   1.00, -10.09,  99.90,  -9.22,  -0.13,
05/22 20Z,   1.00,  -8.03,  99.90,  -7.17,  -0.13,
05/22 21Z,   1.10,  -5.67,  99.90,  -4.70,  -0.13,
05/22 22Z,   1.20,  -3.63,  99.90,  -2.56,  -0.13,
05/22 23Z,   1.30,  -2.46,  99.90,  -1.29,  -0.13,
05/23 00Z,   1.40,  -2.35,  99.90,  -1.08,  -0.13,  (max)
05/23 01Z,   1.50,  -3.26,  99.90,  -1.89,  -0.13,
05/23 02Z,   1.60,  -5.06,  99.90,  -3.59,  -0.13,
05/23 03Z,   1.60,  -7.39,  99.90,  -5.92,  -0.13,
05/23 04Z,   1.70,  -9.63,  99.90,  -8.06,  -0.13,
05/23 05Z,   1.70, -11.12,  99.90,  -9.55,  -0.13,
05/23 06Z,   1.70, -11.52,  99.90,  -9.95,  -0.13,  (min)
05/23 07Z,   1.50, -10.81,  99.90,  -9.44,  -0.13,
05/23 08Z,   1.40,  -9.16,  99.90,  -7.89,  -0.13,
05/23 09Z,   1.30,  -6.91,  99.90,  -5.74,  -0.13,
05/23 10Z,   1.30,  -4.67,  99.90,  -3.51,  -0.13,
05/23 11Z,   1.20,  -3.09,  99.90,  -2.02,  -0.13,
05/23 12Z,   1.10,  -2.52,  99.90,  -1.55,  -0.13,  (max)
05/23 13Z,   0.90,  -3.02,  99.90,  -2.25,  -0.13,
05/23 14Z,   0.80,  -4.49,  99.90,  -3.82,  -0.13,
05/23 15Z,   0.60,  -6.70,  99.90,  -6.23,  -0.13,
05/23 16Z,   0.40,  -9.10,  99.90,  -8.83,  -0.13,
05/23 17Z,   0.30, -10.98,  99.90, -10.81,  -0.13,
05/23 18Z,   0.30, -11.82,  99.90, -11.65,  -0.13,  (min)
05/23 19Z,   0.30, -11.45,  99.90, -11.29,  -0.13,
05/23 20Z,   0.30,  -9.98,  99.90,  -9.82,  -0.13,
05/23 21Z,   0.40,  -7.69,  99.90,  -7.42,  -0.13,
05/23 22Z,   0.40,  -5.11,  99.90,  -4.85,  -0.13,
05/23 23Z,   0.40,  -2.97,  99.90,  -2.70,  -0.13,
05/24 00Z,   0.40,  -1.80,  99.90,  -1.53,  -0.13,
05/24 01Z,   0.50,  -1.78,  99.90,  -1.42,  -0.13,  (max)
05/24 02Z,   0.50,  -2.90,  99.90,  -2.53,  -0.13,
05/24 03Z,   0.50,  -4.98,  99.90,  -4.61,  -0.13,
05/24 04Z,   0.40,  -7.60,  99.90,  -7.34,  -0.13,
05/24 05Z,   0.40, -10.08,  99.90,  -9.81,  -0.13,
05/24 06Z,   0.40, -11.71,  99.90, -11.44,  -0.13,
05/24 07Z,   0.40, -12.16,  99.90, -11.89,  -0.13,  (min)
05/24 08Z,   0.40, -11.38,  99.90, -11.11,  -0.13,
05/24 09Z,   0.40,  -9.55,  99.90,  -9.28,  -0.13,
05/24 10Z,   0.50,  -7.08,  99.90,  -6.72,  -0.13,
05/24 11Z,   0.60,  -4.67,  99.90,  -4.20,  -0.13,
05/24 12Z,   0.60,  -2.97,  99.90,  -2.50,  -0.13,