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
Atlantic City, NJ
Cape May, NJ
Philadelphia, PA
Reedy Pnt, DE
Lewes, DE
Ocean City, MD
Wachapreague
Kiptopeke, VA
Cambridge, MD
Baltimore, MD
Annapolis, MD
Solomons Is, MD
Washington DC
Colonial Beach
Lewisetta, VA
Gloucester Pnt
Hampton Road
Portsmouth, VA
CBBT, VA
Duck Pier, NC
Cape Hatteras NC
Surge List
East Coast
#Seattle, WA : 07/15/2025 17:21:37 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/14 00Z,   0.10,   5.64,   5.99,  99.90,   0.25,
07/14 01Z,   0.10,   8.44,   8.65,  99.90,   0.11,
07/14 02Z,   0.10,  10.58,  10.53,  99.90,  -0.15,
07/14 03Z,   0.10,  11.76,  11.55,  99.90,  -0.31,
07/14 04Z,   0.20,  11.91,  11.67,  99.90,  -0.44,  (max)
07/14 05Z,   0.20,  11.20,  11.05,  99.90,  -0.35,
07/14 06Z,   0.20,   9.89,   9.99,  99.90,  -0.10,
07/14 07Z,   0.20,   8.30,   8.49,  99.90,  -0.01,
07/14 08Z,   0.20,   6.90,   7.07,  99.90,  -0.03,
07/14 09Z,   0.20,   6.15,   6.28,  99.90,  -0.07,  (min)
07/14 10Z,   0.20,   6.25,   6.34,  99.90,  -0.11,
07/14 11Z,   0.20,   6.97,   6.97,  99.90,  -0.20,
07/14 12Z,   0.10,   7.97,   7.91,  99.90,  -0.16,
07/14 13Z,   0.10,   8.86,   8.88,  99.90,  -0.08,
07/14 14Z,   0.10,   9.32,   9.53,  99.90,   0.11,  (max)
07/14 15Z,   0.10,   9.02,   9.31,  99.90,   0.19,
07/14 16Z,   0.10,   7.85,   8.10,  99.90,   0.15,
07/14 17Z,   0.10,   5.94,   6.20,  99.90,   0.16,
07/14 18Z,   0.20,   3.59,   3.70,  99.90,  -0.09,
07/14 19Z,   0.20,   1.24,   1.21,  99.90,  -0.23,
07/14 20Z,   0.20,  -0.57,  -0.58,  99.90,  -0.21,
07/14 21Z,   0.10,  -1.25,  -0.97,  99.90,   0.18,  (min)
07/14 22Z,   0.10,  -0.50,   0.03,  99.90,   0.43,
07/14 23Z,   0.10,   1.50,   1.90,  99.90,   0.30,
07/15 00Z,   0.20,   4.24,   4.67,  99.90,   0.23,
07/15 01Z,   0.20,   7.13,   7.55,  99.90,   0.22,
07/15 02Z,   0.20,   9.66,   9.86,  99.90,   0.00,
07/15 03Z,   0.20,  11.40,  11.28,  99.90,  -0.32,
07/15 04Z,   0.20,  12.09,  11.80,  99.90,  -0.49,  (max)
07/15 05Z,   0.20,  11.75,  11.34,  99.90,  -0.61,
07/15 06Z,   0.20,  10.58,  10.35,  99.90,  -0.43,
07/15 07Z,   0.20,   8.90,   8.79,  99.90,  -0.31,
07/15 08Z,   0.20,   7.09,   7.02,  99.90,  -0.27,
07/15 09Z,   0.20,   5.67,   5.62,  99.90,  -0.25,
07/15 10Z,   0.20,   5.07,   5.05,  99.90,  -0.22,  (min)
07/15 11Z,   0.20,   5.37,   5.38,  99.90,  -0.19,
07/15 12Z,   0.20,   6.28,   6.27,  99.90,  -0.21,
07/15 13Z,   0.20,   7.40,   7.46,  99.90,  -0.14,
07/15 14Z,   0.20,   8.38,   8.57,  99.90,  -0.01,
07/15 15Z,   0.20,   8.86,   9.24,  99.90,   0.18,  (max)
07/15 16Z,   0.20,   8.57,   8.94,  99.90,   0.17,
07/15 17Z,   0.20,   7.44,   7.72,  99.90,   0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/15 18Z,   0.20,   5.68,  99.90,   5.95,   0.07,
07/15 19Z,   0.20,   3.61,  99.90,   3.87,   0.07,
07/15 20Z,   0.20,   1.64,  99.90,   1.90,   0.06,
07/15 21Z,   0.20,   0.30,  99.90,   0.55,   0.05,
07/15 22Z,   0.20,   0.07,  99.90,   0.32,   0.05,  (min)
07/15 23Z,   0.20,   1.16,  99.90,   1.40,   0.04,
07/16 00Z,   0.20,   3.29,  99.90,   3.52,   0.04,
07/16 01Z,   0.20,   5.93,  99.90,   6.16,   0.03,
07/16 02Z,   0.20,   8.55,  99.90,   8.78,   0.03,
07/16 03Z,   0.20,  10.69,  99.90,  10.91,   0.02,
07/16 04Z,   0.20,  11.95,  99.90,  12.16,   0.01,
07/16 05Z,   0.20,  12.12,  99.90,  12.33,   0.01,  (max)
07/16 06Z,   0.30,  11.28,  99.90,  11.59,   0.01,
07/16 07Z,   0.30,   9.68,  99.90,   9.99,   0.01,
07/16 08Z,   0.30,   7.69,  99.90,   8.00,   0.01,
07/16 09Z,   0.30,   5.73,  99.90,   6.04,   0.01,
07/16 10Z,   0.30,   4.32,  99.90,   4.63,   0.01,
07/16 11Z,   0.30,   3.85,  99.90,   4.16,   0.01,  (min)
07/16 12Z,   0.30,   4.31,  99.90,   4.62,   0.01,
07/16 13Z,   0.30,   5.38,  99.90,   5.69,   0.01,
07/16 14Z,   0.30,   6.64,  99.90,   6.95,   0.01,
07/16 15Z,   0.30,   7.73,  99.90,   8.04,   0.01,
07/16 16Z,   0.30,   8.33,  99.90,   8.64,   0.01,  (max)
07/16 17Z,   0.30,   8.17,  99.90,   8.48,   0.01,
07/16 18Z,   0.30,   7.26,  99.90,   7.57,   0.01,
07/16 19Z,   0.30,   5.81,  99.90,   6.12,   0.01,
07/16 20Z,   0.30,   4.15,  99.90,   4.46,   0.01,
07/16 21Z,   0.30,   2.64,  99.90,   2.95,   0.01,
07/16 22Z,   0.40,   1.75,  99.90,   2.16,   0.01,  (min)
07/16 23Z,   0.40,   1.87,  99.90,   2.28,   0.01,
07/17 00Z,   0.40,   3.11,  99.90,   3.52,   0.01,
07/17 01Z,   0.40,   5.15,  99.90,   5.56,   0.01,
07/17 02Z,   0.40,   7.52,  99.90,   7.93,   0.01,
07/17 03Z,   0.40,   9.74,  99.90,  10.15,   0.01,
07/17 04Z,   0.40,  11.40,  99.90,  11.81,   0.01,
07/17 05Z,   0.40,  12.15,  99.90,  12.56,   0.01,  (max)
07/17 06Z,   0.40,  11.83,  99.90,  12.24,   0.01,
07/17 07Z,   0.50,  10.55,  99.90,  11.06,   0.01,
07/17 08Z,   0.50,   8.60,  99.90,   9.11,   0.01,
07/17 09Z,   0.50,   6.37,  99.90,   6.88,   0.01,
07/17 10Z,   0.50,   4.30,  99.90,   4.81,   0.01,
07/17 11Z,   0.50,   2.91,  99.90,   3.42,   0.01,
07/17 12Z,   0.40,   2.54,  99.90,   2.95,   0.01,  (min)
07/17 13Z,   0.40,   3.13,  99.90,   3.54,   0.01,
07/17 14Z,   0.40,   4.34,  99.90,   4.75,   0.01,
07/17 15Z,   0.40,   5.76,  99.90,   6.17,   0.01,
07/17 16Z,   0.40,   7.05,  99.90,   7.46,   0.01,
07/17 17Z,   0.40,   7.86,  99.90,   8.27,   0.01,
07/17 18Z,   0.40,   7.97,  99.90,   8.38,   0.01,  (max)
07/17 19Z,   0.40,   7.41,  99.90,   7.82,   0.01,
07/17 20Z,   0.40,   6.39,  99.90,   6.80,   0.01,
07/17 21Z,   0.40,   5.20,  99.90,   5.61,   0.01,
07/17 22Z,   0.40,   4.14,  99.90,   4.55,   0.01,
07/17 23Z,   0.40,   3.59,  99.90,   3.99,   0.01,  (min)
07/18 00Z,   0.40,   3.88,  99.90,   4.29,   0.01,
07/18 01Z,   0.40,   5.05,  99.90,   5.46,   0.01,
07/18 02Z,   0.40,   6.83,  99.90,   7.23,   0.01,
07/18 03Z,   0.50,   8.79,  99.90,   9.30,   0.01,
07/18 04Z,   0.50,  10.55,  99.90,  11.06,   0.01,
07/18 05Z,   0.50,  11.75,  99.90,  12.26,   0.01,
07/18 06Z,   0.50,  12.04,  99.90,  12.54,   0.01,  (max)
07/18 07Z,   0.50,  11.29,  99.90,  11.80,   0.01,
07/18 08Z,   0.50,   9.67,  99.90,  10.18,   0.01,
07/18 09Z,   0.50,   7.47,  99.90,   7.98,   0.01,
07/18 10Z,   0.50,   5.06,  99.90,   5.57,   0.01,
07/18 11Z,   0.50,   2.91,  99.90,   3.42,   0.01,
07/18 12Z,   0.50,   1.53,  99.90,   2.04,   0.01,
07/18 13Z,   0.50,   1.23,  99.90,   1.74,   0.01,  (min)
07/18 14Z,   0.50,   1.92,  99.90,   2.43,   0.01,
07/18 15Z,   0.50,   3.27,  99.90,   3.78,   0.01,
07/18 16Z,   0.40,   4.90,  99.90,   5.31,   0.01,
07/18 17Z,   0.40,   6.45,  99.90,   6.86,   0.01,
07/18 18Z,   0.40,   7.57,  99.90,   7.98,   0.01,
07/18 19Z,   0.40,   8.04,  99.90,   8.45,   0.01,  (max)
07/18 20Z,   0.40,   7.91,  99.90,   8.32,   0.01,
07/18 21Z,   0.40,   7.36,  99.90,   7.77,   0.01,
07/18 22Z,   0.40,   6.61,  99.90,   7.02,   0.01,
07/18 23Z,   0.40,   5.88,  99.90,   6.29,   0.01,
07/19 00Z,   0.50,   5.50,  99.90,   6.01,   0.01,  (min)
07/19 01Z,   0.50,   5.75,  99.90,   6.26,   0.01,
07/19 02Z,   0.50,   6.69,  99.90,   7.20,   0.01,
07/19 03Z,   0.50,   8.08,  99.90,   8.59,   0.01,
07/19 04Z,   0.50,   9.61,  99.90,  10.12,   0.01,
07/19 05Z,   0.50,  10.96,  99.90,  11.47,   0.01,
07/19 06Z,   0.50,  11.76,  99.90,  12.27,   0.01,  (max)
07/19 07Z,   0.50,  11.69,  99.90,  12.20,   0.01,
07/19 08Z,   0.50,  10.65,  99.90,  11.16,   0.01,
07/19 09Z,   0.50,   8.80,  99.90,   9.31,   0.01,
07/19 10Z,   0.40,   6.42,  99.90,   6.83,   0.01,
07/19 11Z,   0.40,   3.88,  99.90,   4.29,   0.01,
07/19 12Z,   0.40,   1.65,  99.90,   2.06,   0.01,