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 : 12/15/2025 18:21:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/14 00Z,   0.50,   5.96,   5.97,  99.90,  -0.49,
12/14 01Z,   0.50,   4.07,   4.02,  99.90,  -0.55,
12/14 02Z,   0.50,   2.79,   2.72,  99.90,  -0.57,
12/14 03Z,   0.50,   2.28,   2.27,  99.90,  -0.51,  (min)
12/14 04Z,   0.50,   2.58,   2.81,  99.90,  -0.27,
12/14 05Z,   0.50,   3.59,   3.82,  99.90,  -0.27,
12/14 06Z,   0.40,   5.02,   5.27,  99.90,  -0.15,
12/14 07Z,   0.40,   6.44,   6.91,  99.90,   0.07,
12/14 08Z,   0.40,   7.51,   8.10,  99.90,   0.19,
12/14 09Z,   0.40,   8.10,   8.87,  99.90,   0.37,
12/14 10Z,   0.40,   8.20,   9.01,  99.90,   0.41,  (max)
12/14 11Z,   0.50,   7.85,   8.78,  99.90,   0.43,
12/14 12Z,   0.50,   7.16,   8.35,  99.90,   0.69,
12/14 13Z,   0.50,   6.46,   7.81,  99.90,   0.85,
12/14 14Z,   0.50,   6.10,   7.26,  99.90,   0.66,
12/14 15Z,   0.50,   6.25,   7.23,  99.90,   0.48,  (min)
12/14 16Z,   0.50,   6.94,   7.73,  99.90,   0.29,
12/14 17Z,   0.40,   8.06,   8.67,  99.90,   0.21,
12/14 18Z,   0.60,   9.41,   9.72,  99.90,  -0.29,
12/14 19Z,   0.60,  10.62,  10.62,  99.90,  -0.60,
12/14 20Z,   0.60,  11.27,  11.14,  99.90,  -0.73,  (max)
12/14 21Z,   0.60,  11.18,  11.05,  99.90,  -0.73,
12/14 22Z,   0.60,  10.33,  10.21,  99.90,  -0.72,
12/14 23Z,   0.60,   8.79,   8.78,  99.90,  -0.61,
12/15 00Z,   0.70,   6.72,   6.75,  99.90,  -0.67,
12/15 01Z,   0.70,   4.49,   4.61,  99.90,  -0.58,
12/15 02Z,   0.70,   2.60,   2.78,  99.90,  -0.52,
12/15 03Z,   0.70,   1.45,   1.68,  99.90,  -0.47,
12/15 04Z,   0.80,   1.20,   1.66,  99.90,  -0.34,  (min)
12/15 05Z,   0.80,   1.85,   2.43,  99.90,  -0.22,
12/15 06Z,   0.60,   3.25,   3.83,  99.90,  -0.02,
12/15 07Z,   0.60,   5.05,   5.66,  99.90,   0.01,
12/15 08Z,   0.70,   6.78,   7.55,  99.90,   0.07,
12/15 09Z,   0.70,   8.14,   8.99,  99.90,   0.15,
12/15 10Z,   0.70,   8.98,   9.87,  99.90,   0.19,
12/15 11Z,   0.70,   9.30,  10.21,  99.90,   0.21,  (max)
12/15 12Z,   0.70,   9.09,  10.10,  99.90,   0.31,
12/15 13Z,   0.70,   8.46,   9.84,  99.90,   0.68,
12/15 14Z,   0.70,   7.74,   9.27,  99.90,   0.83,
12/15 15Z,   0.70,   7.28,   8.78,  99.90,   0.80,
12/15 16Z,   0.80,   7.28,   8.69,  99.90,   0.61,  (min)
12/15 17Z,   0.80,   7.77,   9.07,  99.90,   0.50,
12/15 18Z,   0.80,   8.69,   9.83,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 19Z,   0.90,   9.81,  99.90,  11.02,   0.31,
12/15 20Z,   0.90,  10.72,  99.90,  11.90,   0.28,
12/15 21Z,   1.00,  11.03,  99.90,  12.28,   0.25,  (max)
12/15 22Z,   1.00,  10.58,  99.90,  11.80,   0.22,
12/15 23Z,   1.00,   9.38,  99.90,  10.57,   0.19,
12/16 00Z,   1.10,   7.53,  99.90,   8.79,   0.16,
12/16 01Z,   1.10,   5.24,  99.90,   6.47,   0.13,
12/16 02Z,   1.10,   2.94,  99.90,   4.14,   0.10,
12/16 03Z,   1.10,   1.18,  99.90,   2.35,   0.07,
12/16 04Z,   1.10,   0.32,  99.90,   1.46,   0.04,  (min)
12/16 05Z,   1.10,   0.50,  99.90,   1.61,   0.01,
12/16 06Z,   1.10,   1.62,  99.90,   2.71,  -0.02,
12/16 07Z,   1.10,   3.47,  99.90,   4.55,  -0.02,
12/16 08Z,   1.00,   5.61,  99.90,   6.59,  -0.02,
12/16 09Z,   1.00,   7.57,  99.90,   8.56,  -0.02,
12/16 10Z,   0.90,   9.07,  99.90,   9.95,  -0.02,
12/16 11Z,   0.80,  10.01,  99.90,  10.79,  -0.02,
12/16 12Z,   0.70,  10.36,  99.90,  11.04,  -0.02,  (max)
12/16 13Z,   0.70,  10.12,  99.90,  10.80,  -0.02,
12/16 14Z,   0.60,   9.42,  99.90,  10.00,  -0.02,
12/16 15Z,   0.60,   8.61,  99.90,   9.19,  -0.02,
12/16 16Z,   0.60,   8.06,  99.90,   8.64,  -0.02,
12/16 17Z,   0.60,   7.96,  99.90,   8.54,  -0.02,  (min)
12/16 18Z,   0.60,   8.34,  99.90,   8.92,  -0.02,
12/16 19Z,   0.60,   9.13,  99.90,   9.71,  -0.02,
12/16 20Z,   0.60,  10.05,  99.90,  10.63,  -0.02,
12/16 21Z,   0.60,  10.67,  99.90,  11.25,  -0.02,  (max)
12/16 22Z,   0.60,  10.63,  99.90,  11.22,  -0.02,
12/16 23Z,   0.60,   9.81,  99.90,  10.39,  -0.02,
12/17 00Z,   0.60,   8.26,  99.90,   8.84,  -0.02,
12/17 01Z,   0.60,   6.12,  99.90,   6.70,  -0.02,
12/17 02Z,   0.60,   3.68,  99.90,   4.26,  -0.02,
12/17 03Z,   0.70,   1.44,  99.90,   2.13,  -0.02,
12/17 04Z,   0.70,  -0.03,  99.90,   0.65,  -0.02,
12/17 05Z,   0.80,  -0.42,  99.90,   0.36,  -0.02,  (min)
12/17 06Z,   0.80,   0.30,  99.90,   1.08,  -0.02,
12/17 07Z,   0.90,   1.95,  99.90,   2.83,  -0.02,
12/17 08Z,   0.90,   4.20,  99.90,   5.08,  -0.02,
12/17 09Z,   1.00,   6.58,  99.90,   7.56,  -0.02,
12/17 10Z,   1.20,   8.63,  99.90,   9.81,  -0.02,
12/17 11Z,   1.30,  10.11,  99.90,  11.39,  -0.02,
12/17 12Z,   1.40,  10.96,  99.90,  12.34,  -0.02,
12/17 13Z,   1.40,  11.18,  99.90,  12.56,  -0.02,  (max)
12/17 14Z,   1.50,  10.77,  99.90,  12.25,  -0.02,
12/17 15Z,   1.50,   9.93,  99.90,  11.41,  -0.02,
12/17 16Z,   1.60,   9.05,  99.90,  10.63,  -0.02,
12/17 17Z,   1.50,   8.47,  99.90,   9.95,  -0.02,
12/17 18Z,   1.50,   8.35,  99.90,   9.84,  -0.02,  (min)
12/17 19Z,   1.50,   8.72,  99.90,  10.20,  -0.02,
12/17 20Z,   1.40,   9.43,  99.90,  10.81,  -0.02,
12/17 21Z,   1.30,  10.16,  99.90,  11.45,  -0.02,
12/17 22Z,   1.20,  10.50,  99.90,  11.68,  -0.02,  (max)
12/17 23Z,   1.10,  10.10,  99.90,  11.18,  -0.02,
12/18 00Z,   1.10,   8.92,  99.90,  10.00,  -0.02,
12/18 01Z,   1.00,   7.04,  99.90,   8.02,  -0.02,
12/18 02Z,   0.90,   4.67,  99.90,   5.55,  -0.02,
12/18 03Z,   0.90,   2.19,  99.90,   3.07,  -0.02,
12/18 04Z,   0.90,   0.16,  99.90,   1.04,  -0.02,
12/18 05Z,   0.80,  -0.88,  99.90,  -0.10,  -0.02,  (min)
12/18 06Z,   0.70,  -0.70,  99.90,  -0.02,  -0.02,
12/18 07Z,   0.70,   0.60,  99.90,   1.28,  -0.02,
12/18 08Z,   0.60,   2.74,  99.90,   3.32,  -0.02,
12/18 09Z,   0.60,   5.29,  99.90,   5.88,  -0.02,
12/18 10Z,   0.50,   7.76,  99.90,   8.24,  -0.02,
12/18 11Z,   0.50,   9.73,  99.90,  10.21,  -0.02,
12/18 12Z,   0.50,  11.03,  99.90,  11.51,  -0.02,
12/18 13Z,   0.50,  11.66,  99.90,  12.14,  -0.02,  (max)
12/18 14Z,   0.40,  11.63,  99.90,  12.01,  -0.02,
12/18 15Z,   0.40,  11.00,  99.90,  11.38,  -0.02,
12/18 16Z,   0.40,  10.02,  99.90,  10.40,  -0.02,
12/18 17Z,   0.40,   9.12,  99.90,   9.50,  -0.02,
12/18 18Z,   0.40,   8.60,  99.90,   8.98,  -0.02,  (min)
12/18 19Z,   0.50,   8.57,  99.90,   9.05,  -0.02,
12/18 20Z,   0.50,   8.97,  99.90,   9.46,  -0.02,
12/18 21Z,   0.50,   9.63,  99.90,  10.11,  -0.02,
12/18 22Z,   0.50,  10.18,  99.90,  10.66,  -0.02,
12/18 23Z,   0.60,  10.21,  99.90,  10.80,  -0.02,  (max)
12/19 00Z,   0.60,   9.47,  99.90,  10.05,  -0.02,
12/19 01Z,   0.70,   7.95,  99.90,   8.63,  -0.02,
12/19 02Z,   0.80,   5.80,  99.90,   6.58,  -0.02,
12/19 03Z,   0.90,   3.29,  99.90,   4.17,  -0.02,
12/19 04Z,   1.00,   0.88,  99.90,   1.86,  -0.02,
12/19 05Z,   1.10,  -0.81,  99.90,   0.27,  -0.02,
12/19 06Z,   1.10,  -1.32,  99.90,  -0.24,  -0.02,  (min)
12/19 07Z,   1.20,  -0.53,  99.90,   0.65,  -0.02,
12/19 08Z,   1.20,   1.32,  99.90,   2.50,  -0.02,
12/19 09Z,   1.30,   3.83,  99.90,   5.11,  -0.02,
12/19 10Z,   1.30,   6.54,  99.90,   7.82,  -0.02,
12/19 11Z,   1.30,   8.94,  99.90,  10.22,  -0.02,
12/19 12Z,   1.30,  10.69,  99.90,  11.97,  -0.02,