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
#Philadelphia, PA : 03/27/2025 21:21:38 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/26 06Z,   0.80,   0.34,   0.79,  99.90,  -0.35,
03/26 07Z,   0.80,  -0.79,  -0.28,  99.90,  -0.29,
03/26 08Z,   0.80,  -1.79,  -1.36,  99.90,  -0.37,
03/26 09Z,   0.80,  -2.61,  -2.40,  99.90,  -0.59,
03/26 10Z,   0.70,  -3.08,  -3.16,  99.90,  -0.78,  (min)
03/26 11Z,   0.70,  -2.59,  -2.58,  99.90,  -0.69,
03/26 12Z,   0.60,  -0.97,  -0.73,  99.90,  -0.36,
03/26 13Z,   0.60,   0.81,   0.80,  99.90,  -0.61,
03/26 14Z,   0.60,   2.02,   2.05,  99.90,  -0.57,
03/26 15Z,   0.50,   2.82,   2.98,  99.90,  -0.34,
03/26 16Z,   0.50,   3.10,   3.36,  99.90,  -0.24,  (max)
03/26 17Z,   0.50,   2.54,   2.73,  99.90,  -0.31,
03/26 18Z,   0.50,   1.49,   1.67,  99.90,  -0.32,
03/26 19Z,   0.50,   0.37,   0.55,  99.90,  -0.32,
03/26 20Z,   0.40,  -0.71,  -0.51,  99.90,  -0.20,
03/26 21Z,   0.40,  -1.73,  -1.61,  99.90,  -0.28,
03/26 22Z,   0.40,  -2.67,  -2.63,  99.90,  -0.36,
03/26 23Z,   0.40,  -3.02,  -3.38,  99.90,  -0.76,  (min)
03/27 00Z,   0.40,  -2.13,  -2.67,  99.90,  -0.94,
03/27 01Z,   0.40,  -0.47,  -0.92,  99.90,  -0.85,
03/27 02Z,   0.30,   0.96,   0.43,  99.90,  -0.83,
03/27 03Z,   0.30,   1.98,   1.44,  99.90,  -0.84,
03/27 04Z,   0.30,   2.64,   2.15,  99.90,  -0.79,  (max)
03/27 05Z,   0.30,   2.51,   1.92,  99.90,  -0.89,
03/27 06Z,   0.20,   1.61,   0.92,  99.90,  -0.89,
03/27 07Z,   0.20,   0.44,  -0.10,  99.90,  -0.74,
03/27 08Z,   0.20,  -0.73,  -1.10,  99.90,  -0.57,
03/27 09Z,   0.10,  -1.79,  -2.18,  99.90,  -0.49,
03/27 10Z,   0.10,  -2.72,  -3.16,  99.90,  -0.54,
03/27 11Z,   0.20,  -3.25,  -3.84,  99.90,  -0.79,  (min)
03/27 12Z,   0.20,  -2.66,  -2.52,  99.90,  -0.06,
03/27 13Z,   0.20,  -0.91,  -0.62,  99.90,   0.09,
03/27 14Z,   0.20,   0.91,   0.82,  99.90,  -0.29,
03/27 15Z,   0.20,   2.18,   2.08,  99.90,  -0.30,
03/27 16Z,   0.20,   3.03,   2.98,  99.90,  -0.25,
03/27 17Z,   0.20,   3.21,   3.17,  99.90,  -0.24,  (max)
03/27 18Z,   0.20,   2.52,   2.33,  99.90,  -0.39,
03/27 19Z,   0.20,   1.41,   1.18,  99.90,  -0.43,
03/27 20Z,   0.10,   0.26,   0.06,  99.90,  -0.30,
03/27 21Z,   0.10,  -0.86,  -1.04,  99.90,  -0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/27 22Z,   0.10,  -1.94,  99.90,  -2.13,  -0.28,
03/27 23Z,   0.10,  -2.90,  99.90,  -3.08,  -0.28,
03/28 00Z,   0.00,  -3.09,  99.90,  -3.36,  -0.28,  (min)
03/28 01Z,   0.00,  -1.93,  99.90,  -2.20,  -0.28,
03/28 02Z,   0.00,  -0.09,  99.90,  -0.36,  -0.27,
03/28 03Z,   0.10,   1.42,  99.90,   1.24,  -0.27,
03/28 04Z,   0.10,   2.48,  99.90,   2.31,  -0.27,
03/28 05Z,   0.10,   3.05,  99.90,   2.88,  -0.27,  (max)
03/28 06Z,   0.10,   2.73,  99.90,   2.56,  -0.27,
03/28 07Z,   0.10,   1.70,  99.90,   1.53,  -0.27,
03/28 08Z,   0.20,   0.48,  99.90,   0.42,  -0.26,
03/28 09Z,   0.20,  -0.71,  99.90,  -0.78,  -0.26,
03/28 10Z,   0.20,  -1.85,  99.90,  -1.91,  -0.26,
03/28 11Z,   0.20,  -2.88,  99.90,  -2.95,  -0.26,
03/28 12Z,   0.20,  -3.41,  99.90,  -3.47,  -0.26,  (min)
03/28 13Z,   0.20,  -2.66,  99.90,  -2.72,  -0.26,
03/28 14Z,   0.20,  -0.78,  99.90,  -0.84,  -0.26,
03/28 15Z,   0.10,   1.07,  99.90,   0.90,  -0.26,
03/28 16Z,   0.10,   2.36,  99.90,   2.19,  -0.26,
03/28 17Z,   0.10,   3.17,  99.90,   3.01,  -0.26,
03/28 18Z,   0.10,   3.20,  99.90,   3.04,  -0.26,  (max)
03/28 19Z,   0.00,   2.38,  99.90,   2.11,  -0.26,
03/28 20Z,   0.00,   1.22,  99.90,   0.95,  -0.26,
03/28 21Z,   0.00,   0.05,  99.90,  -0.21,  -0.26,
03/28 22Z,   0.00,  -1.09,  99.90,  -1.36,  -0.26,
03/28 23Z,   0.00,  -2.21,  99.90,  -2.47,  -0.26,
03/29 00Z,   0.00,  -3.11,  99.90,  -3.37,  -0.26,  (min)
03/29 01Z,   0.00,  -3.04,  99.90,  -3.30,  -0.26,
03/29 02Z,   0.00,  -1.58,  99.90,  -1.84,  -0.26,
03/29 03Z,   0.00,   0.41,  99.90,   0.14,  -0.26,
03/29 04Z,   0.00,   1.94,  99.90,   1.67,  -0.26,
03/29 05Z,   0.00,   2.98,  99.90,   2.71,  -0.26,
03/29 06Z,   0.00,   3.38,  99.90,   3.12,  -0.26,  (max)
03/29 07Z,   0.00,   2.85,  99.90,   2.59,  -0.26,
03/29 08Z,   0.00,   1.71,  99.90,   1.45,  -0.26,
03/29 09Z,   0.00,   0.47,  99.90,   0.21,  -0.26,
03/29 10Z,   0.00,  -0.75,  99.90,  -1.01,  -0.26,
03/29 11Z,   0.00,  -1.95,  99.90,  -2.21,  -0.26,
03/29 12Z,   0.00,  -3.04,  99.90,  -3.31,  -0.26,
03/29 13Z,   0.00,  -3.50,  99.90,  -3.77,  -0.26,  (min)
03/29 14Z,   0.00,  -2.56,  99.90,  -2.83,  -0.26,
03/29 15Z,   0.00,  -0.58,  99.90,  -0.85,  -0.26,
03/29 16Z,   0.00,   1.23,  99.90,   0.97,  -0.26,
03/29 17Z,   0.00,   2.49,  99.90,   2.22,  -0.26,
03/29 18Z,   0.00,   3.21,  99.90,   2.95,  -0.26,  (max)
03/29 19Z,   0.00,   3.07,  99.90,   2.81,  -0.26,
03/29 20Z,   0.00,   2.12,  99.90,   1.86,  -0.26,
03/29 21Z,   0.00,   0.94,  99.90,   0.67,  -0.26,
03/29 22Z,   0.00,  -0.23,  99.90,  -0.49,  -0.26,
03/29 23Z,   0.00,  -1.37,  99.90,  -1.63,  -0.26,
03/30 00Z,   0.00,  -2.47,  99.90,  -2.73,  -0.26,
03/30 01Z,   0.00,  -3.24,  99.90,  -3.50,  -0.26,  (min)
03/30 02Z,   0.00,  -2.86,  99.90,  -3.12,  -0.26,
03/30 03Z,   0.00,  -1.11,  99.90,  -1.37,  -0.26,
03/30 04Z,   0.00,   0.94,  99.90,   0.68,  -0.26,
03/30 05Z,   0.00,   2.43,  99.90,   2.17,  -0.26,
03/30 06Z,   0.00,   3.38,  99.90,   3.11,  -0.26,
03/30 07Z,   0.00,   3.58,  99.90,   3.32,  -0.26,  (max)
03/30 08Z,   0.00,   2.86,  99.90,   2.60,  -0.26,
03/30 09Z,   0.00,   1.66,  99.90,   1.40,  -0.26,
03/30 10Z,   0.00,   0.42,  99.90,   0.16,  -0.26,
03/30 11Z,   0.00,  -0.81,  99.90,  -1.08,  -0.26,
03/30 12Z,   0.00,  -2.05,  99.90,  -2.31,  -0.26,
03/30 13Z,   0.00,  -3.17,  99.90,  -3.43,  -0.26,
03/30 14Z,   0.00,  -3.51,  99.90,  -3.77,  -0.26,  (min)
03/30 15Z,   0.00,  -2.38,  99.90,  -2.64,  -0.26,
03/30 16Z,   0.00,  -0.36,  99.90,  -0.62,  -0.26,
03/30 17Z,   0.00,   1.37,  99.90,   1.11,  -0.26,
03/30 18Z,   0.00,   2.54,  99.90,   2.28,  -0.26,
03/30 19Z,   0.00,   3.13,  99.90,   2.87,  -0.26,  (max)
03/30 20Z,   0.00,   2.82,  99.90,   2.56,  -0.26,
03/30 21Z,   0.00,   1.80,  99.90,   1.54,  -0.26,
03/30 22Z,   0.00,   0.62,  99.90,   0.36,  -0.26,
03/30 23Z,   0.00,  -0.52,  99.90,  -0.79,  -0.26,
03/31 00Z,   0.10,  -1.63,  99.90,  -1.80,  -0.26,
03/31 01Z,   0.10,  -2.68,  99.90,  -2.84,  -0.26,
03/31 02Z,   0.10,  -3.26,  99.90,  -3.42,  -0.26,  (min)
03/31 03Z,   0.10,  -2.56,  99.90,  -2.72,  -0.26,
03/31 04Z,   0.20,  -0.59,  99.90,  -0.66,  -0.26,
03/31 05Z,   0.20,   1.44,  99.90,   1.37,  -0.26,
03/31 06Z,   0.30,   2.82,  99.90,   2.86,  -0.26,
03/31 07Z,   0.30,   3.62,  99.90,   3.66,  -0.26,
03/31 08Z,   0.30,   3.63,  99.90,   3.66,  -0.26,  (max)
03/31 09Z,   0.40,   2.76,  99.90,   2.90,  -0.26,
03/31 10Z,   0.40,   1.55,  99.90,   1.69,  -0.26,
03/31 11Z,   0.40,   0.34,  99.90,   0.48,  -0.26,
03/31 12Z,   0.40,  -0.88,  99.90,  -0.74,  -0.26,
03/31 13Z,  99.90,  -2.13,  99.90,  99.90,  -0.26,
03/31 14Z,  99.90,  -3.23,  99.90,  99.90,  -0.26,
03/31 15Z,  99.90,  -3.42,  99.90,  99.90,  -0.26,
03/31 16Z,  99.90,  -2.13,  99.90,  99.90,  -0.26,
03/31 17Z,  99.90,  -0.15,  99.90,  99.90,  -0.26,
03/31 18Z,  99.90,   1.44,  99.90,  99.90,  -0.26,