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 : 03/21/2025 04:23:13 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/19 12Z,   0.90,   4.31,   5.13,  99.90,  -0.08,
03/19 13Z,   0.90,   3.08,   4.07,  99.90,   0.09,
03/19 14Z,   0.90,   1.99,   3.05,  99.90,   0.16,
03/19 15Z,   0.90,   1.14,   2.08,  99.90,   0.04,
03/19 16Z,   0.90,   0.53,   1.37,  99.90,  -0.06,  (min)
03/19 17Z,   0.90,   0.49,   1.54,  99.90,   0.15,
03/19 18Z,   1.00,   1.51,   3.28,  99.90,   0.77,
03/19 19Z,   1.00,   3.14,   4.62,  99.90,   0.48,
03/19 20Z,   1.00,   4.35,   5.69,  99.90,   0.34,
03/19 21Z,   1.00,   5.02,   6.41,  99.90,   0.39,
03/19 22Z,   1.10,   5.41,   6.76,  99.90,   0.25,  (max)
03/19 23Z,   1.10,   5.19,   6.07,  99.90,  -0.22,
03/20 00Z,   1.10,   4.25,   5.04,  99.90,  -0.31,
03/20 01Z,   1.10,   3.06,   4.03,  99.90,  -0.13,
03/20 02Z,   1.10,   1.93,   3.07,  99.90,   0.04,
03/20 03Z,   1.20,   1.08,   2.15,  99.90,  -0.13,
03/20 04Z,   1.20,   0.61,   1.47,  99.90,  -0.34,  (min)
03/20 05Z,   1.20,   0.63,   2.29,  99.90,   0.46,
03/20 06Z,   1.20,   1.59,   3.92,  99.90,   1.13,
03/20 07Z,   1.20,   3.43,   5.20,  99.90,   0.57,
03/20 08Z,   1.20,   5.05,   6.26,  99.90,   0.01,
03/20 09Z,   1.30,   5.85,   7.20,  99.90,   0.05,
03/20 10Z,   1.30,   6.18,   7.74,  99.90,   0.26,  (max)
03/20 11Z,   1.30,   6.05,   7.38,  99.90,   0.03,
03/20 12Z,   1.30,   5.20,   6.41,  99.90,  -0.09,
03/20 13Z,   1.30,   3.97,   5.34,  99.90,   0.07,
03/20 14Z,   1.30,   2.77,   4.35,  99.90,   0.28,
03/20 15Z,   1.40,   1.76,   3.39,  99.90,   0.23,
03/20 16Z,   1.40,   1.01,   2.56,  99.90,   0.15,
03/20 17Z,   1.40,   0.55,   2.08,  99.90,   0.13,  (min)
03/20 18Z,   1.40,   0.72,   2.97,  99.90,   0.85,
03/20 19Z,   1.50,   1.91,   4.42,  99.90,   1.01,
03/20 20Z,   1.50,   3.49,   5.56,  99.90,   0.57,
03/20 21Z,   1.50,   4.50,   6.42,  99.90,   0.42,
03/20 22Z,   1.60,   5.04,   7.15,  99.90,   0.51,
03/20 23Z,   1.60,   5.31,   7.26,  99.90,   0.35,  (max)
03/21 00Z,   1.60,   4.94,   6.49,  99.90,  -0.05,
03/21 01Z,   1.70,   3.92,   5.56,  99.90,  -0.06,
03/21 02Z,   1.70,   2.73,   4.61,  99.90,   0.18,
03/21 03Z,   1.70,   1.65,   3.68,  99.90,   0.33,
03/21 04Z,   1.70,   0.90,   2.81,  99.90,   0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/21 05Z,   1.70,   0.57,  99.90,   2.46,   0.19,  (min)
03/21 06Z,   1.70,   0.79,  99.90,   2.66,   0.18,
03/21 07Z,   1.60,   1.98,  99.90,   3.74,   0.16,
03/21 08Z,   1.50,   3.87,  99.90,   5.51,   0.15,
03/21 09Z,   1.40,   5.32,  99.90,   6.85,   0.13,
03/21 10Z,   1.30,   5.94,  99.90,   7.36,   0.12,
03/21 11Z,   1.10,   6.17,  99.90,   7.37,   0.10,  (max)
03/21 12Z,   1.00,   5.90,  99.90,   6.99,   0.09,
03/21 13Z,   0.90,   4.97,  99.90,   5.94,   0.07,
03/21 14Z,   0.90,   3.75,  99.90,   4.71,   0.06,
03/21 15Z,   0.80,   2.61,  99.90,   3.45,   0.05,
03/21 16Z,   0.80,   1.68,  99.90,   2.51,   0.03,
03/21 17Z,   0.70,   1.01,  99.90,   1.74,   0.03,
03/21 18Z,   0.60,   0.63,  99.90,   1.26,   0.03,  (min)
03/21 19Z,   0.60,   0.95,  99.90,   1.58,   0.03,
03/21 20Z,   0.50,   2.23,  99.90,   2.76,   0.03,
03/21 21Z,   0.50,   3.70,  99.90,   4.23,   0.03,
03/21 22Z,   0.50,   4.55,  99.90,   5.08,   0.03,
03/21 23Z,   0.50,   5.02,  99.90,   5.55,   0.03,
03/22 00Z,   0.50,   5.23,  99.90,   5.76,   0.03,  (max)
03/22 01Z,   0.50,   4.76,  99.90,   5.29,   0.03,
03/22 02Z,   0.60,   3.71,  99.90,   4.34,   0.03,
03/22 03Z,   0.60,   2.53,  99.90,   3.16,   0.03,
03/22 04Z,   0.60,   1.52,  99.90,   2.15,   0.03,
03/22 05Z,   0.60,   0.85,  99.90,   1.48,   0.03,
03/22 06Z,   0.70,   0.60,  99.90,   1.33,   0.03,  (min)
03/22 07Z,   0.70,   0.94,  99.90,   1.67,   0.03,
03/22 08Z,   0.70,   2.27,  99.90,   3.00,   0.03,
03/22 09Z,   0.70,   4.13,  99.90,   4.86,   0.03,
03/22 10Z,   0.70,   5.41,  99.90,   6.15,   0.03,
03/22 11Z,   0.70,   5.95,  99.90,   6.68,   0.03,
03/22 12Z,   0.70,   6.14,  99.90,   6.87,   0.03,  (max)
03/22 13Z,   0.70,   5.80,  99.90,   6.53,   0.03,
03/22 14Z,   0.70,   4.84,  99.90,   5.57,   0.03,
03/22 15Z,   0.80,   3.66,  99.90,   4.49,   0.03,
03/22 16Z,   0.80,   2.58,  99.90,   3.42,   0.03,
03/22 17Z,   0.80,   1.71,  99.90,   2.54,   0.03,
03/22 18Z,   0.80,   1.08,  99.90,   1.91,   0.03,
03/22 19Z,   0.80,   0.72,  99.90,   1.55,   0.03,  (min)
03/22 20Z,   0.80,   1.12,  99.90,   1.95,   0.03,
03/22 21Z,   0.80,   2.44,  99.90,   3.27,   0.03,
03/22 22Z,   0.80,   3.80,  99.90,   4.63,   0.03,
03/22 23Z,   0.80,   4.56,  99.90,   5.39,   0.03,
03/23 00Z,   0.70,   5.04,  99.90,   5.77,   0.03,
03/23 01Z,   0.70,   5.21,  99.90,   5.94,   0.03,  (max)
03/23 02Z,   0.70,   4.67,  99.90,   5.40,   0.03,
03/23 03Z,   0.60,   3.61,  99.90,   4.24,   0.03,
03/23 04Z,   0.60,   2.47,  99.90,   3.10,   0.03,
03/23 05Z,   0.50,   1.50,  99.90,   2.03,   0.03,
03/23 06Z,   0.50,   0.88,  99.90,   1.41,   0.03,
03/23 07Z,   0.40,   0.64,  99.90,   1.07,   0.03,  (min)
03/23 08Z,   0.40,   1.04,  99.90,   1.47,   0.03,
03/23 09Z,   0.40,   2.44,  99.90,   2.87,   0.03,
03/23 10Z,   0.30,   4.24,  99.90,   4.58,   0.03,
03/23 11Z,   0.20,   5.41,  99.90,   5.64,   0.03,
03/23 12Z,   0.20,   5.94,  99.90,   6.17,   0.03,
03/23 13Z,   0.20,   6.16,  99.90,   6.39,   0.03,  (max)
03/23 14Z,   0.20,   5.79,  99.90,   6.02,   0.03,
03/23 15Z,   0.20,   4.82,  99.90,   5.05,   0.03,
03/23 16Z,   0.20,   3.69,  99.90,   3.92,   0.03,
03/23 17Z,   0.20,   2.66,  99.90,   2.89,   0.03,
03/23 18Z,   0.30,   1.81,  99.90,   2.14,   0.03,
03/23 19Z,   0.30,   1.13,  99.90,   1.47,   0.03,
03/23 20Z,   0.30,   0.76,  99.90,   1.09,   0.03,  (min)
03/23 21Z,   0.30,   1.22,  99.90,   1.55,   0.03,
03/23 22Z,   0.30,   2.56,  99.90,   2.89,   0.03,
03/23 23Z,   0.30,   3.85,  99.90,   4.18,   0.03,
03/24 00Z,   0.40,   4.60,  99.90,   5.03,   0.03,
03/24 01Z,   0.40,   5.15,  99.90,   5.58,   0.03,
03/24 02Z,   0.40,   5.30,  99.90,   5.73,   0.03,  (max)
03/24 03Z,   0.40,   4.70,  99.90,   5.13,   0.03,
03/24 04Z,   0.40,   3.63,  99.90,   4.06,   0.03,
03/24 05Z,   0.50,   2.51,  99.90,   3.04,   0.03,
03/24 06Z,   0.50,   1.57,  99.90,   2.10,   0.03,
03/24 07Z,   0.60,   0.93,  99.90,   1.56,   0.03,
03/24 08Z,   0.60,   0.63,  99.90,   1.26,   0.03,  (min)
03/24 09Z,   0.70,   1.05,  99.90,   1.78,   0.03,
03/24 10Z,   0.80,   2.50,  99.90,   3.34,   0.03,
03/24 11Z,   0.90,   4.26,  99.90,   5.20,   0.03,
03/24 12Z,   0.90,   5.39,  99.90,   6.32,   0.03,
03/24 13Z,   1.00,   5.99,  99.90,   7.02,   0.03,
03/24 14Z,   1.00,   6.26,  99.90,   7.29,   0.03,  (max)
03/24 15Z,   1.00,   5.86,  99.90,   6.89,   0.03,
03/24 16Z,   0.90,   4.88,  99.90,   5.81,   0.03,
03/24 17Z,   0.90,   3.78,  99.90,   4.71,   0.03,
03/24 18Z,   0.80,   2.76,  99.90,   3.59,   0.03,
03/24 19Z,  99.90,   1.88,  99.90,  99.90,   0.03,
03/24 20Z,  99.90,   1.13,  99.90,  99.90,   0.03,
03/24 21Z,  99.90,   0.71,  99.90,  99.90,   0.03,
03/24 22Z,  99.90,   1.25,  99.90,  99.90,   0.03,
03/24 23Z,  99.90,   2.65,  99.90,  99.90,   0.03,
03/25 00Z,  99.90,   3.93,  99.90,  99.90,   0.03,