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
#Seattle, WA : 03/28/2025 05:23:18 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/26 12Z,   0.50,  10.79,  11.74,  99.90,   0.45,  (max)
03/26 13Z,   0.50,   9.92,  10.95,  99.90,   0.53,
03/26 14Z,   0.50,   8.58,   9.72,  99.90,   0.64,
03/26 15Z,   0.50,   7.15,   8.21,  99.90,   0.56,
03/26 16Z,   0.50,   6.09,   7.01,  99.90,   0.42,
03/26 17Z,   0.50,   5.72,   6.50,  99.90,   0.28,  (min)
03/26 18Z,   0.70,   6.05,   6.77,  99.90,   0.02,
03/26 19Z,   0.70,   6.93,   7.43,  99.90,  -0.20,
03/26 20Z,   0.70,   8.09,   8.47,  99.90,  -0.32,
03/26 21Z,   0.70,   9.10,   9.48,  99.90,  -0.32,
03/26 22Z,   0.70,   9.53,   9.90,  99.90,  -0.33,  (max)
03/26 23Z,   0.70,   9.13,   9.59,  99.90,  -0.24,
03/27 00Z,   0.80,   7.91,   8.54,  99.90,  -0.17,
03/27 01Z,   0.80,   6.03,   6.86,  99.90,   0.03,
03/27 02Z,   0.90,   3.79,   4.72,  99.90,   0.03,
03/27 03Z,   0.90,   1.67,   2.63,  99.90,   0.06,
03/27 04Z,   1.00,   0.29,   1.25,  99.90,  -0.04,
03/27 05Z,   1.00,   0.11,   1.07,  99.90,  -0.04,  (min)
03/27 06Z,   0.80,   1.17,   2.13,  99.90,   0.16,
03/27 07Z,   0.80,   3.18,   3.98,  99.90,  -0.00,
03/27 08Z,   0.80,   5.70,   6.49,  99.90,  -0.01,
03/27 09Z,   0.80,   8.20,   9.04,  99.90,   0.04,
03/27 10Z,   0.80,  10.16,  11.04,  99.90,   0.08,
03/27 11Z,   0.90,  11.21,  12.13,  99.90,   0.02,
03/27 12Z,   0.80,  11.29,  12.24,  99.90,   0.15,  (max)
03/27 13Z,   0.80,  10.50,  11.50,  99.90,   0.20,
03/27 14Z,   0.80,   9.02,  10.27,  99.90,   0.45,
03/27 15Z,   0.80,   7.15,   8.52,  99.90,   0.57,
03/27 16Z,   0.80,   5.44,   6.67,  99.90,   0.43,
03/27 17Z,   0.80,   4.43,   5.52,  99.90,   0.29,
03/27 18Z,   0.90,   4.39,   5.40,  99.90,   0.11,  (min)
03/27 19Z,   1.00,   5.25,   6.24,  99.90,  -0.01,
03/27 20Z,   1.00,   6.71,   7.55,  99.90,  -0.16,
03/27 21Z,   1.00,   8.34,   9.03,  99.90,  -0.31,
03/27 22Z,   1.00,   9.64,  10.38,  99.90,  -0.26,
03/27 23Z,   1.00,  10.15,  10.94,  99.90,  -0.21,  (max)
03/28 00Z,   1.10,   9.68,  10.45,  99.90,  -0.33,
03/28 01Z,   1.20,   8.30,   9.18,  99.90,  -0.32,
03/28 02Z,   1.20,   6.23,   7.22,  99.90,  -0.21,
03/28 03Z,   1.20,   3.84,   4.89,  99.90,  -0.15,
03/28 04Z,   1.20,   1.71,   2.78,  99.90,  -0.13,
03/28 05Z,   1.20,   0.50,   1.56,  99.90,  -0.14,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/28 06Z,   1.20,   0.63,  99.90,   1.71,  -0.12,
03/28 07Z,   1.30,   2.06,  99.90,   3.25,  -0.11,
03/28 08Z,   1.30,   4.38,  99.90,   5.59,  -0.09,
03/28 09Z,   1.20,   7.07,  99.90,   8.19,  -0.07,
03/28 10Z,   1.20,   9.51,  99.90,  10.66,  -0.05,
03/28 11Z,   1.30,  11.17,  99.90,  12.43,  -0.04,
03/28 12Z,   1.30,  11.72,  99.90,  13.00,  -0.02,  (max)
03/28 13Z,   1.30,  11.17,  99.90,  12.47,  -0.00,
03/28 14Z,   1.30,   9.69,  99.90,  11.00,   0.01,
03/28 15Z,   1.30,   7.57,  99.90,   8.90,   0.03,
03/28 16Z,   1.30,   5.27,  99.90,   6.62,   0.05,
03/28 17Z,   1.30,   3.45,  99.90,   4.81,   0.06,
03/28 18Z,   1.30,   2.67,  99.90,   4.04,   0.06,  (min)
03/28 19Z,   1.30,   3.13,  99.90,   4.50,   0.06,
03/28 20Z,   1.30,   4.61,  99.90,   5.97,   0.06,
03/28 21Z,   1.30,   6.64,  99.90,   8.00,   0.06,
03/28 22Z,   1.30,   8.69,  99.90,  10.06,   0.06,
03/28 23Z,   1.30,  10.19,  99.90,  11.56,   0.06,
03/29 00Z,   1.30,  10.72,  99.90,  12.08,   0.06,  (max)
03/29 01Z,   1.20,  10.15,  99.90,  11.41,   0.06,
03/29 02Z,   1.20,   8.63,  99.90,   9.90,   0.06,
03/29 03Z,   1.20,   6.46,  99.90,   7.72,   0.06,
03/29 04Z,   1.20,   4.06,  99.90,   5.32,   0.06,
03/29 05Z,   1.20,   2.07,  99.90,   3.34,   0.06,
03/29 06Z,   1.20,   1.17,  99.90,   2.44,   0.06,  (min)
03/29 07Z,   1.10,   1.68,  99.90,   2.85,   0.06,
03/29 08Z,   1.10,   3.44,  99.90,   4.60,   0.06,
03/29 09Z,   1.10,   5.94,  99.90,   7.11,   0.06,
03/29 10Z,   1.00,   8.60,  99.90,   9.66,   0.06,
03/29 11Z,   1.00,  10.76,  99.90,  11.83,   0.06,
03/29 12Z,   1.00,  11.92,  99.90,  12.98,   0.06,  (max)
03/29 13Z,   0.90,  11.82,  99.90,  12.78,   0.06,
03/29 14Z,   1.00,  10.55,  99.90,  11.62,   0.06,
03/29 15Z,   0.90,   8.39,  99.90,   9.36,   0.06,
03/29 16Z,   0.90,   5.73,  99.90,   6.70,   0.06,
03/29 17Z,   0.90,   3.17,  99.90,   4.14,   0.06,
03/29 18Z,   0.80,   1.44,  99.90,   2.31,   0.06,
03/29 19Z,   0.80,   1.07,  99.90,   1.94,   0.06,  (min)
03/29 20Z,   0.80,   2.12,  99.90,   2.98,   0.06,
03/29 21Z,   0.70,   4.19,  99.90,   4.95,   0.06,
03/29 22Z,   0.70,   6.71,  99.90,   7.48,   0.06,
03/29 23Z,   0.70,   9.07,  99.90,   9.83,   0.06,
03/30 00Z,   0.70,  10.67,  99.90,  11.43,   0.06,
03/30 01Z,   0.70,  11.16,  99.90,  11.92,   0.06,  (max)
03/30 02Z,   0.60,  10.51,  99.90,  11.17,   0.06,
03/30 03Z,   0.60,   8.94,  99.90,   9.60,   0.06,
03/30 04Z,   0.60,   6.78,  99.90,   7.45,   0.06,
03/30 05Z,   0.60,   4.52,  99.90,   5.19,   0.06,
03/30 06Z,   0.60,   2.82,  99.90,   3.48,   0.06,
03/30 07Z,   0.60,   2.29,  99.90,   2.95,   0.06,  (min)
03/30 08Z,   0.60,   3.14,  99.90,   3.81,   0.06,
03/30 09Z,   0.60,   5.09,  99.90,   5.76,   0.06,
03/30 10Z,   0.60,   7.58,  99.90,   8.25,   0.06,
03/30 11Z,   0.60,   9.99,  99.90,  10.65,   0.06,
03/30 12Z,   0.60,  11.69,  99.90,  12.35,   0.06,
03/30 13Z,   0.60,  12.22,  99.90,  12.88,   0.06,  (max)
03/30 14Z,   0.60,  11.43,  99.90,  12.10,   0.06,
03/30 15Z,   0.60,   9.51,  99.90,  10.17,   0.06,
03/30 16Z,   0.60,   6.79,  99.90,   7.45,   0.06,
03/30 17Z,   0.60,   3.79,  99.90,   4.45,   0.06,
03/30 18Z,   0.60,   1.18,  99.90,   1.84,   0.06,
03/30 19Z,   0.60,  -0.28,  99.90,   0.39,   0.06,  (min)
03/30 20Z,   0.60,  -0.15,  99.90,   0.52,   0.06,
03/30 21Z,   0.60,   1.45,  99.90,   2.12,   0.06,
03/30 22Z,   0.60,   4.02,  99.90,   4.68,   0.06,
03/30 23Z,   0.70,   6.87,  99.90,   7.64,   0.06,
03/31 00Z,   0.70,   9.38,  99.90,  10.14,   0.06,
03/31 01Z,   0.70,  10.99,  99.90,  11.75,   0.06,
03/31 02Z,   0.70,  11.42,  99.90,  12.19,   0.06,  (max)
03/31 03Z,   0.80,  10.75,  99.90,  11.62,   0.06,
03/31 04Z,   0.80,   9.23,  99.90,  10.10,   0.06,
03/31 05Z,   0.80,   7.23,  99.90,   8.09,   0.06,
03/31 06Z,   0.90,   5.23,  99.90,   6.19,   0.06,
03/31 07Z,   0.90,   3.88,  99.90,   4.84,   0.06,
03/31 08Z,   0.90,   3.69,  99.90,   4.66,   0.06,  (min)
03/31 09Z,   1.00,   4.77,  99.90,   5.83,   0.06,
03/31 10Z,   1.00,   6.73,  99.90,   7.79,   0.06,
03/31 11Z,   1.00,   9.00,  99.90,  10.06,   0.06,
03/31 12Z,   1.00,  10.98,  99.90,  12.04,   0.06,
03/31 13Z,   1.00,  12.11,  99.90,  13.18,   0.06,  (max)
03/31 14Z,   1.00,  12.01,  99.90,  13.08,   0.06,
03/31 15Z,   1.00,  10.63,  99.90,  11.69,   0.06,
03/31 16Z,   1.00,   8.21,  99.90,   9.27,   0.06,
03/31 17Z,   1.00,   5.15,  99.90,   6.22,   0.06,
03/31 18Z,   1.00,   2.04,  99.90,   3.10,   0.06,
03/31 19Z,   1.00,  -0.40,  99.90,   0.66,   0.06,
03/31 20Z,   1.00,  -1.47,  99.90,  -0.41,   0.06,  (min)
03/31 21Z,   1.00,  -0.86,  99.90,   0.21,   0.06,
03/31 22Z,   1.00,   1.19,  99.90,   2.25,   0.06,
03/31 23Z,   1.00,   4.05,  99.90,   5.11,   0.06,
04/01 00Z,   1.00,   7.05,  99.90,   8.11,   0.06,