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 : 01/18/2026 11:21:43 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/16 12Z,   0.30,  -3.10,  -3.97,  99.90,  -1.17,  (min)
01/16 13Z,   0.30,  -1.56,  -2.29,  99.90,  -1.03,
01/16 14Z,   0.30,  -0.13,  -0.87,  99.90,  -1.04,
01/16 15Z,   0.20,   1.02,   0.35,  99.90,  -0.87,
01/16 16Z,   0.20,   2.02,   1.32,  99.90,  -0.90,
01/16 17Z,   0.20,   2.36,   1.89,  99.90,  -0.67,  (max)
01/16 18Z,   0.20,   1.84,   1.62,  99.90,  -0.42,
01/16 19Z,   0.20,   0.91,   0.76,  99.90,  -0.35,
01/16 20Z,   0.20,  -0.13,  -0.25,  99.90,  -0.32,
01/16 21Z,   0.20,  -1.21,  -1.21,  99.90,  -0.20,
01/16 22Z,   0.20,  -2.34,  -2.20,  99.90,  -0.06,
01/16 23Z,   0.20,  -3.41,  -3.09,  99.90,   0.12,
01/17 00Z,  -0.20,  -3.70,  -3.73,  99.90,   0.17,  (min)
01/17 01Z,  -0.20,  -2.84,  -2.97,  99.90,   0.07,
01/17 02Z,  -0.20,  -1.57,  -1.58,  99.90,   0.19,
01/17 03Z,  -0.10,  -0.46,  -0.30,  99.90,   0.26,
01/17 04Z,  -0.10,   0.64,   0.80,  99.90,   0.26,
01/17 05Z,  -0.10,   1.39,   1.63,  99.90,   0.34,  (max)
01/17 06Z,  -0.10,   1.22,   1.59,  99.90,   0.47,
01/17 07Z,  -0.10,   0.37,   0.69,  99.90,   0.42,
01/17 08Z,  -0.10,  -0.71,  -0.37,  99.90,   0.44,
01/17 09Z,  -0.10,  -1.80,  -1.32,  99.90,   0.58,
01/17 10Z,  -0.10,  -2.77,  -2.30,  99.90,   0.57,
01/17 11Z,  -0.10,  -3.57,  -3.29,  99.90,   0.38,
01/17 12Z,   0.00,  -3.76,  -4.00,  99.90,  -0.24,  (min)
01/17 13Z,   0.00,  -2.78,  -3.51,  99.90,  -0.73,
01/17 14Z,   0.00,  -1.09,  -1.70,  99.90,  -0.61,
01/17 15Z,   0.00,   0.33,  -0.33,  99.90,  -0.66,
01/17 16Z,  -0.10,   1.42,   0.84,  99.90,  -0.48,
01/17 17Z,  -0.10,   2.24,   1.83,  99.90,  -0.31,
01/17 18Z,   0.00,   2.33,   2.37,  99.90,   0.04,  (max)
01/17 19Z,   0.00,   1.64,   1.93,  99.90,   0.29,
01/17 20Z,   0.00,   0.65,   0.88,  99.90,   0.23,
01/17 21Z,   0.00,  -0.40,  -0.21,  99.90,   0.19,
01/17 22Z,   0.00,  -1.49,  -1.24,  99.90,   0.25,
01/17 23Z,   0.00,  -2.62,  -2.29,  99.90,   0.33,
01/18 00Z,   0.00,  -3.57,  -3.26,  99.90,   0.31,
01/18 01Z,   0.00,  -3.57,  -3.96,  99.90,  -0.39,  (min)
01/18 02Z,   0.00,  -2.46,  -3.30,  99.90,  -0.84,
01/18 03Z,   0.00,  -1.12,  -1.58,  99.90,  -0.46,
01/18 04Z,   0.00,  -0.04,  -0.30,  99.90,  -0.26,
01/18 05Z,   0.00,   0.94,   0.70,  99.90,  -0.24,
01/18 06Z,   0.00,   1.43,   1.34,  99.90,  -0.09,  (max)
01/18 07Z,   0.00,   1.02,   1.08,  99.90,   0.06,
01/18 08Z,   0.00,   0.06,   0.18,  99.90,   0.12,
01/18 09Z,   0.00,  -1.04,  -0.83,  99.90,   0.21,
01/18 10Z,   0.00,  -2.10,  -1.77,  99.90,   0.33,
01/18 11Z,   0.00,  -3.03,  -2.74,  99.90,   0.29,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 12Z,   0.00,  -3.73,  99.90,  -3.45,   0.27,  (min)
01/18 13Z,   0.00,  -3.65,  99.90,  -3.39,   0.26,
01/18 14Z,   0.00,  -2.34,  99.90,  -2.10,   0.24,
01/18 15Z,   0.00,  -0.54,  99.90,  -0.32,   0.22,
01/18 16Z,   0.00,   0.83,  99.90,   1.03,   0.21,
01/18 17Z,   0.00,   1.80,  99.90,   1.99,   0.19,
01/18 18Z,   0.10,   2.39,  99.90,   2.67,   0.17,  (max)
01/18 19Z,   0.10,   2.19,  99.90,   2.45,   0.16,
01/18 20Z,   0.10,   1.34,  99.90,   1.58,   0.14,
01/18 21Z,   0.10,   0.30,  99.90,   0.53,   0.13,
01/18 22Z,   0.10,  -0.77,  99.90,  -0.56,   0.11,
01/18 23Z,   0.10,  -1.85,  99.90,  -1.66,   0.09,
01/19 00Z,   0.10,  -2.95,  99.90,  -2.75,   0.09,
01/19 01Z,   0.10,  -3.69,  99.90,  -3.49,   0.09,  (min)
01/19 02Z,   0.00,  -3.32,  99.90,  -3.23,   0.09,
01/19 03Z,   0.00,  -1.95,  99.90,  -1.86,   0.09,
01/19 04Z,   0.00,  -0.59,  99.90,  -0.50,   0.09,
01/19 05Z,   0.00,   0.41,  99.90,   0.51,   0.09,
01/19 06Z,   0.00,   1.21,  99.90,   1.30,   0.09,
01/19 07Z,   0.00,   1.39,  99.90,   1.49,   0.09,  (max)
01/19 08Z,   0.00,   0.75,  99.90,   0.84,   0.09,
01/19 09Z,   0.00,  -0.29,  99.90,  -0.20,   0.09,
01/19 10Z,   0.00,  -1.40,  99.90,  -1.31,   0.09,
01/19 11Z,   0.00,  -2.43,  99.90,  -2.33,   0.09,
01/19 12Z,   0.00,  -3.29,  99.90,  -3.20,   0.09,
01/19 13Z,   0.00,  -3.83,  99.90,  -3.74,   0.09,  (min)
01/19 14Z,   0.00,  -3.43,  99.90,  -3.33,   0.09,
01/19 15Z,   0.00,  -1.82,  99.90,  -1.72,   0.09,
01/19 16Z,   0.00,   0.05,  99.90,   0.14,   0.09,
01/19 17Z,   0.00,   1.31,  99.90,   1.40,   0.09,
01/19 18Z,   0.00,   2.11,  99.90,   2.21,   0.09,
01/19 19Z,   0.00,   2.43,  99.90,   2.52,   0.09,  (max)
01/19 20Z,   0.10,   1.95,  99.90,   2.14,   0.09,
01/19 21Z,   0.10,   0.95,  99.90,   1.14,   0.09,
01/19 22Z,   0.10,  -0.14,  99.90,   0.05,   0.09,
01/19 23Z,   0.10,  -1.22,  99.90,  -1.03,   0.09,
01/20 00Z,   0.10,  -2.28,  99.90,  -2.09,   0.09,
01/20 01Z,   0.10,  -3.27,  99.90,  -3.08,   0.09,
01/20 02Z,   0.00,  -3.72,  99.90,  -3.63,   0.09,  (min)
01/20 03Z,   0.00,  -2.96,  99.90,  -2.86,   0.09,
01/20 04Z,   0.00,  -1.36,  99.90,  -1.27,   0.09,
01/20 05Z,  -0.10,  -0.03,  99.90,  -0.03,   0.09,
01/20 06Z,  -0.10,   0.85,  99.90,   0.84,   0.09,
01/20 07Z,  -0.20,   1.41,  99.90,   1.30,   0.09,  (max)
01/20 08Z,  -0.30,   1.29,  99.90,   1.08,   0.09,
01/20 09Z,  -0.30,   0.44,  99.90,   0.23,   0.09,
01/20 10Z,  -0.40,  -0.67,  99.90,  -0.98,   0.09,
01/20 11Z,  -0.40,  -1.77,  99.90,  -2.08,   0.09,
01/20 12Z,  -0.40,  -2.75,  99.90,  -3.06,   0.09,
01/20 13Z,  -0.40,  -3.53,  99.90,  -3.83,   0.09,
01/20 14Z,  -0.40,  -3.86,  99.90,  -4.16,   0.09,  (min)
01/20 15Z,  -0.40,  -3.10,  99.90,  -3.41,   0.09,
01/20 16Z,  -0.40,  -1.24,  99.90,  -1.54,   0.09,
01/20 17Z,  -0.40,   0.61,  99.90,   0.30,   0.09,
01/20 18Z,  -0.40,   1.72,  99.90,   1.41,   0.09,
01/20 19Z,  -0.40,   2.31,  99.90,   2.01,   0.09,
01/20 20Z,  -0.40,   2.34,  99.90,   2.03,   0.09,  (max)
01/20 21Z,  -0.50,   1.60,  99.90,   1.19,   0.09,
01/20 22Z,  -0.50,   0.48,  99.90,   0.07,   0.09,
01/20 23Z,  -0.50,  -0.65,  99.90,  -1.06,   0.09,
01/21 00Z,  -0.50,  -1.73,  99.90,  -2.14,   0.09,
01/21 01Z,  -0.50,  -2.74,  99.90,  -3.14,   0.09,
01/21 02Z,  -0.50,  -3.56,  99.90,  -3.96,   0.09,
01/21 03Z,  -0.60,  -3.65,  99.90,  -4.16,   0.09,  (min)
01/21 04Z,  -0.60,  -2.48,  99.90,  -2.99,   0.09,
01/21 05Z,  -0.60,  -0.73,  99.90,  -1.24,   0.09,
01/21 06Z,  -0.60,   0.53,  99.90,   0.02,   0.09,
01/21 07Z,  -0.60,   1.24,  99.90,   0.73,   0.09,
01/21 08Z,  -0.60,   1.55,  99.90,   1.04,   0.09,  (max)
01/21 09Z,  -0.70,   1.14,  99.90,   0.53,   0.09,
01/21 10Z,  -0.70,   0.12,  99.90,  -0.49,   0.09,
01/21 11Z,  -0.70,  -1.03,  99.90,  -1.64,   0.09,
01/21 12Z,  -0.70,  -2.12,  99.90,  -2.72,   0.09,
01/21 13Z,  -0.70,  -3.04,  99.90,  -3.64,   0.09,
01/21 14Z,  -0.60,  -3.70,  99.90,  -4.21,   0.09,
01/21 15Z,  -0.60,  -3.80,  99.90,  -4.31,   0.09,  (min)
01/21 16Z,  -0.60,  -2.71,  99.90,  -3.22,   0.09,
01/21 17Z,  -0.60,  -0.67,  99.90,  -1.18,   0.09,
01/21 18Z,  -0.60,   1.08,  99.90,   0.57,   0.09,
01/21 19Z,  -0.50,   2.00,  99.90,   1.59,   0.09,
01/21 20Z,  -0.50,   2.38,  99.90,   1.97,   0.09,  (max)
01/21 21Z,  -0.50,   2.13,  99.90,   1.73,   0.09,
01/21 22Z,  -0.40,   1.18,  99.90,   0.87,   0.09,
01/21 23Z,  -0.40,  -0.03,  99.90,  -0.34,   0.09,
01/22 00Z,  -0.30,  -1.19,  99.90,  -1.40,   0.09,