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 : 07/10/2025 19:22:40 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 00Z,   0.30,  -2.84,  -2.66,  99.90,  -0.12,
07/09 01Z,   0.30,  -2.33,  -2.33,  99.90,  -0.30,  (max)
07/09 02Z,   0.30,  -2.42,  -2.56,  99.90,  -0.44,
07/09 03Z,   0.30,  -3.03,  -3.14,  99.90,  -0.41,
07/09 04Z,   0.30,  -3.91,  -3.91,  99.90,  -0.30,
07/09 05Z,   0.30,  -4.69,  -4.63,  99.90,  -0.24,
07/09 06Z,   0.30,  -5.09,  -4.98,  99.90,  -0.19,  (min)
07/09 07Z,   0.30,  -5.07,  -4.90,  99.90,  -0.13,
07/09 08Z,   0.30,  -4.69,  -4.41,  99.90,  -0.02,
07/09 09Z,   0.30,  -4.13,  -3.90,  99.90,  -0.07,
07/09 10Z,   0.20,  -3.72,  -3.58,  99.90,  -0.06,  (max)
07/09 11Z,   0.20,  -3.86,  -3.64,  99.90,   0.02,
07/09 12Z,   0.20,  -4.75,  -4.50,  99.90,   0.05,
07/09 13Z,   0.20,  -6.39,  -6.09,  99.90,   0.10,
07/09 14Z,   0.20,  -8.61,  -8.32,  99.90,   0.09,
07/09 15Z,   0.20, -11.11, -10.89,  99.90,   0.02,
07/09 16Z,   0.20, -13.40, -13.26,  99.90,  -0.06,
07/09 17Z,   0.20, -14.89, -14.71,  99.90,  -0.02,
07/09 18Z,   0.20, -15.14, -14.93,  99.90,   0.01,  (min)
07/09 19Z,   0.20, -14.14, -13.86,  99.90,   0.08,
07/09 20Z,   0.20, -12.17, -11.97,  99.90,  -0.00,
07/09 21Z,   0.20,  -9.64,  -9.34,  99.90,   0.10,
07/09 22Z,   0.20,  -7.01,  -6.65,  99.90,   0.16,
07/09 23Z,   0.20,  -4.76,  -4.37,  99.90,   0.19,
07/10 00Z,   0.20,  -3.16,  -2.94,  99.90,   0.02,
07/10 01Z,   0.20,  -2.28,  -2.17,  99.90,  -0.09,  (max)
07/10 02Z,   0.20,  -2.06,  -2.21,  99.90,  -0.35,
07/10 03Z,   0.20,  -2.45,  -2.67,  99.90,  -0.42,
07/10 04Z,   0.20,  -3.31,  -3.44,  99.90,  -0.33,
07/10 05Z,   0.20,  -4.30,  -4.30,  99.90,  -0.20,
07/10 06Z,   0.20,  -5.02,  -5.01,  99.90,  -0.19,
07/10 07Z,   0.20,  -5.27,  -5.17,  99.90,  -0.10,  (min)
07/10 08Z,   0.20,  -5.05,  -4.84,  99.90,   0.01,
07/10 09Z,   0.20,  -4.53,  -4.28,  99.90,   0.05,
07/10 10Z,   0.20,  -3.95,  -3.71,  99.90,   0.04,
07/10 11Z,   0.20,  -3.66,  -3.40,  99.90,   0.06,  (max)
07/10 12Z,   0.10,  -4.02,  -3.69,  99.90,   0.23,
07/10 13Z,   0.10,  -5.21,  -4.87,  99.90,   0.24,
07/10 14Z,   0.10,  -7.14,  -6.78,  99.90,   0.26,
07/10 15Z,   0.10,  -9.58,  -9.34,  99.90,   0.14,
07/10 16Z,   0.10, -12.18, -12.07,  99.90,   0.01,
07/10 17Z,   0.10, -14.36, -14.26,  99.90,   0.00,
07/10 18Z,   0.10, -15.51, -15.41,  99.90,  -0.00,  (min)
07/10 19Z,   0.10, -15.28, -15.04,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 20Z,   0.10, -13.78,  99.90, -13.55,   0.13,
07/10 21Z,   0.10, -11.40,  99.90, -11.19,   0.11,
07/10 22Z,   0.10,  -8.63,  99.90,  -8.43,   0.10,
07/10 23Z,   0.00,  -5.96,  99.90,  -5.87,   0.08,
07/11 00Z,   0.00,  -3.83,  99.90,  -3.76,   0.07,
07/11 01Z,   0.00,  -2.49,  99.90,  -2.43,   0.06,
07/11 02Z,   0.00,  -1.93,  99.90,  -1.89,   0.04,  (max)
07/11 03Z,   0.00,  -2.06,  99.90,  -2.03,   0.03,
07/11 04Z,   0.00,  -2.78,  99.90,  -2.77,   0.02,
07/11 05Z,   0.00,  -3.85,  99.90,  -3.85,   0.00,
07/11 06Z,   0.00,  -4.87,  99.90,  -4.88,  -0.01,
07/11 07Z,   0.00,  -5.45,  99.90,  -5.47,  -0.03,
07/11 08Z,   0.00,  -5.45,  99.90,  -5.48,  -0.03,  (min)
07/11 09Z,   0.00,  -5.02,  99.90,  -5.04,  -0.03,
07/11 10Z,   0.00,  -4.36,  99.90,  -4.38,  -0.03,
07/11 11Z,   0.00,  -3.78,  99.90,  -3.80,  -0.03,
07/11 12Z,   0.00,  -3.64,  99.90,  -3.66,  -0.03,  (max)
07/11 13Z,   0.00,  -4.27,  99.90,  -4.29,  -0.03,
07/11 14Z,   0.00,  -5.74,  99.90,  -5.77,  -0.03,
07/11 15Z,   0.00,  -7.93,  99.90,  -7.96,  -0.03,
07/11 16Z,   0.00, -10.55,  99.90, -10.57,  -0.03,
07/11 17Z,   0.00, -13.15,  99.90, -13.17,  -0.03,
07/11 18Z,   0.00, -15.10,  99.90, -15.13,  -0.03,
07/11 19Z,   0.00, -15.82,  99.90, -15.85,  -0.03,  (min)
07/11 20Z,   0.00, -15.08,  99.90, -15.10,  -0.03,
07/11 21Z,   0.00, -13.11,  99.90, -13.13,  -0.03,
07/11 22Z,   0.00, -10.40,  99.90, -10.43,  -0.03,
07/11 23Z,   0.00,  -7.49,  99.90,  -7.52,  -0.03,
07/12 00Z,   0.00,  -4.89,  99.90,  -4.91,  -0.03,
07/12 01Z,   0.00,  -2.99,  99.90,  -3.01,  -0.03,
07/12 02Z,   0.10,  -1.98,  99.90,  -1.90,  -0.03,
07/12 03Z,   0.10,  -1.80,  99.90,  -1.72,  -0.03,  (max)
07/12 04Z,   0.10,  -2.31,  99.90,  -2.24,  -0.03,
07/12 05Z,   0.10,  -3.35,  99.90,  -3.27,  -0.03,
07/12 06Z,   0.10,  -4.58,  99.90,  -4.51,  -0.03,
07/12 07Z,   0.10,  -5.55,  99.90,  -5.48,  -0.03,
07/12 08Z,   0.20,  -5.92,  99.90,  -5.75,  -0.03,  (min)
07/12 09Z,   0.20,  -5.67,  99.90,  -5.49,  -0.03,
07/12 10Z,   0.20,  -5.01,  99.90,  -4.84,  -0.03,
07/12 11Z,   0.20,  -4.25,  99.90,  -4.08,  -0.03,
07/12 12Z,   0.10,  -3.71,  99.90,  -3.63,  -0.03,  (max)
07/12 13Z,   0.10,  -3.74,  99.90,  -3.67,  -0.03,
07/12 14Z,   0.10,  -4.62,  99.90,  -4.55,  -0.03,
07/12 15Z,   0.10,  -6.35,  99.90,  -6.28,  -0.03,
07/12 16Z,   0.10,  -8.73,  99.90,  -8.66,  -0.03,
07/12 17Z,   0.10, -11.41,  99.90, -11.33,  -0.03,
07/12 18Z,   0.10, -13.88,  99.90, -13.81,  -0.03,
07/12 19Z,   0.10, -15.50,  99.90, -15.42,  -0.03,
07/12 20Z,   0.10, -15.73,  99.90, -15.65,  -0.03,  (min)
07/12 21Z,   0.10, -14.47,  99.90, -14.40,  -0.03,
07/12 22Z,   0.10, -12.11,  99.90, -12.04,  -0.03,
07/12 23Z,   0.10,  -9.19,  99.90,  -9.12,  -0.03,
07/13 00Z,   0.10,  -6.27,  99.90,  -6.19,  -0.03,
07/13 01Z,   0.10,  -3.83,  99.90,  -3.76,  -0.03,
07/13 02Z,   0.10,  -2.25,  99.90,  -2.18,  -0.03,
07/13 03Z,   0.10,  -1.64,  99.90,  -1.56,  -0.03,  (max)
07/13 04Z,   0.10,  -1.88,  99.90,  -1.81,  -0.03,
07/13 05Z,   0.10,  -2.80,  99.90,  -2.73,  -0.03,
07/13 06Z,   0.10,  -4.13,  99.90,  -4.06,  -0.03,
07/13 07Z,   0.10,  -5.47,  99.90,  -5.40,  -0.03,
07/13 08Z,   0.20,  -6.35,  99.90,  -6.17,  -0.03,
07/13 09Z,   0.20,  -6.48,  99.90,  -6.31,  -0.03,  (min)
07/13 10Z,   0.10,  -5.98,  99.90,  -5.90,  -0.03,
07/13 11Z,   0.10,  -5.14,  99.90,  -5.06,  -0.03,
07/13 12Z,   0.10,  -4.30,  99.90,  -4.23,  -0.03,
07/13 13Z,   0.10,  -3.81,  99.90,  -3.74,  -0.03,  (max)
07/13 14Z,   0.10,  -4.01,  99.90,  -3.93,  -0.03,
07/13 15Z,   0.10,  -5.09,  99.90,  -5.01,  -0.03,
07/13 16Z,   0.10,  -6.98,  99.90,  -6.90,  -0.03,
07/13 17Z,   0.00,  -9.42,  99.90,  -9.45,  -0.03,
07/13 18Z,   0.00, -12.01,  99.90, -12.04,  -0.03,
07/13 19Z,   0.00, -14.22,  99.90, -14.24,  -0.03,
07/13 20Z,   0.00, -15.39,  99.90, -15.42,  -0.03,  (min)
07/13 21Z,   0.00, -15.11,  99.90, -15.14,  -0.03,
07/13 22Z,   0.00, -13.42,  99.90, -13.44,  -0.03,
07/13 23Z,   0.00, -10.78,  99.90, -10.81,  -0.03,
07/14 00Z,   0.10,  -7.79,  99.90,  -7.72,  -0.03,
07/14 01Z,   0.10,  -4.99,  99.90,  -4.92,  -0.03,
07/14 02Z,   0.10,  -2.85,  99.90,  -2.77,  -0.03,
07/14 03Z,   0.10,  -1.67,  99.90,  -1.60,  -0.03,
07/14 04Z,   0.20,  -1.52,  99.90,  -1.35,  -0.03,  (max)
07/14 05Z,   0.20,  -2.23,  99.90,  -2.05,  -0.03,
07/14 06Z,   0.20,  -3.54,  99.90,  -3.37,  -0.03,
07/14 07Z,   0.20,  -5.13,  99.90,  -4.96,  -0.03,
07/14 08Z,   0.20,  -6.53,  99.90,  -6.36,  -0.03,
07/14 09Z,   0.20,  -7.28,  99.90,  -7.10,  -0.03,  (min)
07/14 10Z,   0.20,  -7.18,  99.90,  -7.01,  -0.03,
07/14 11Z,   0.20,  -6.46,  99.90,  -6.28,  -0.03,
07/14 12Z,   0.10,  -5.46,  99.90,  -5.39,  -0.03,