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
#Portland, ME : 10/11/2026 01:24:39 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 06Z,   0.30,  -6.44,  -5.97,  99.90,   0.17,
10/09 07Z,   0.30,  -8.63,  -8.29,  99.90,   0.04,
10/09 08Z,   0.30,  -9.88,  -9.48,  99.90,   0.10,
10/09 09Z,   0.30,  -9.91,  -9.48,  99.90,   0.13,  (min)
10/09 10Z,   0.30,  -8.66,  -8.36,  99.90,   0.00,
10/09 11Z,   0.40,  -6.41,  -6.16,  99.90,  -0.15,
10/09 12Z,   0.30,  -3.80,  -3.48,  99.90,   0.02,
10/09 13Z,   0.30,  -1.56,  -1.17,  99.90,   0.09,
10/09 14Z,   0.30,  -0.15,   0.21,  99.90,   0.06,
10/09 15Z,   0.30,   0.17,   0.42,  99.90,  -0.05,  (max)
10/09 16Z,   0.30,  -0.76,  -0.41,  99.90,   0.05,
10/09 17Z,   0.20,  -2.82,  -2.49,  99.90,   0.13,
10/09 18Z,   0.30,  -5.47,  -5.22,  99.90,  -0.05,
10/09 19Z,   0.20,  -7.96,  -7.83,  99.90,  -0.07,
10/09 20Z,   0.20,  -9.67,  -9.57,  99.90,  -0.10,
10/09 21Z,   0.30, -10.23, -10.12,  99.90,  -0.19,  (min)
10/09 22Z,   0.30,  -9.47,  -9.33,  99.90,  -0.16,
10/09 23Z,   0.30,  -7.52,  -7.46,  99.90,  -0.24,
10/10 00Z,   0.30,  -4.93,  -4.75,  99.90,  -0.12,
10/10 01Z,   0.30,  -2.43,  -2.21,  99.90,  -0.08,
10/10 02Z,   0.30,  -0.63,  -0.45,  99.90,  -0.12,
10/10 03Z,   0.20,   0.16,   0.28,  99.90,  -0.08,  (max)
10/10 04Z,   0.20,  -0.26,  -0.16,  99.90,  -0.10,
10/10 05Z,   0.10,  -1.90,  -1.66,  99.90,   0.14,
10/10 06Z,   0.10,  -4.38,  -4.21,  99.90,   0.07,
10/10 07Z,   0.10,  -6.98,  -6.76,  99.90,   0.12,
10/10 08Z,   0.10,  -9.00,  -8.80,  99.90,   0.10,
10/10 09Z,   0.10,  -9.96,  -9.87,  99.90,  -0.01,  (min)
10/10 10Z,   0.10,  -9.65,  -9.48,  99.90,   0.07,
10/10 11Z,   0.00,  -8.06,  -8.19,  99.90,  -0.13,
10/10 12Z,   0.00,  -5.60,  -5.86,  99.90,  -0.26,
10/10 13Z,   0.00,  -2.98,  -3.21,  99.90,  -0.23,
10/10 14Z,   0.00,  -0.89,  -1.19,  99.90,  -0.30,
10/10 15Z,  -0.10,   0.25,  -0.12,  99.90,  -0.27,  (max)
10/10 16Z,  -0.10,   0.22,  -0.15,  99.90,  -0.27,
10/10 17Z,  -0.10,  -1.07,  -1.38,  99.90,  -0.21,
10/10 18Z,   0.00,  -3.41,  -3.54,  99.90,  -0.13,
10/10 19Z,   0.00,  -6.16,  -6.22,  99.90,  -0.06,
10/10 20Z,   0.00,  -8.57,  -8.65,  99.90,  -0.08,
10/10 21Z,   0.10, -10.06, -10.01,  99.90,  -0.05,
10/10 22Z,   0.10, -10.32, -10.22,  99.90,   0.00,  (min)
10/10 23Z,   0.20,  -9.26,  -9.28,  99.90,  -0.22,
10/11 00Z,   0.20,  -7.09,  -7.21,  99.90,  -0.32,
10/11 01Z,   0.30,  -4.45,  -4.51,  99.90,  -0.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 02Z,   0.30,  -2.07,  99.90,  -2.10,  -0.33,
10/11 03Z,   0.30,  -0.49,  99.90,  -0.49,  -0.30,
10/11 04Z,   0.20,   0.01,  99.90,  -0.06,  -0.28,  (max)
10/11 05Z,   0.20,  -0.70,  99.90,  -0.75,  -0.25,
10/11 06Z,   0.20,  -2.57,  99.90,  -2.58,  -0.22,
10/11 07Z,   0.20,  -5.10,  99.90,  -5.09,  -0.19,
10/11 08Z,   0.30,  -7.55,  99.90,  -7.40,  -0.16,
10/11 09Z,   0.30,  -9.24,  99.90,  -9.07,  -0.13,
10/11 10Z,   0.40,  -9.81,  99.90,  -9.51,  -0.10,  (min)
10/11 11Z,   0.40,  -9.10,  99.90,  -8.77,  -0.07,
10/11 12Z,   0.50,  -7.22,  99.90,  -6.76,  -0.04,
10/11 13Z,   0.50,  -4.65,  99.90,  -4.16,  -0.01,
10/11 14Z,   0.40,  -2.15,  99.90,  -1.76,  -0.01,
10/11 15Z,   0.40,  -0.35,  99.90,   0.04,  -0.01,
10/11 16Z,   0.40,   0.41,  99.90,   0.79,  -0.01,  (max)
10/11 17Z,   0.30,  -0.04,  99.90,   0.25,  -0.01,
10/11 18Z,   0.30,  -1.68,  99.90,  -1.39,  -0.01,
10/11 19Z,   0.30,  -4.21,  99.90,  -3.92,  -0.01,
10/11 20Z,   0.20,  -6.92,  99.90,  -6.74,  -0.01,
10/11 21Z,   0.30,  -9.10,  99.90,  -8.81,  -0.01,
10/11 22Z,   0.30, -10.25,  99.90,  -9.96,  -0.01,  (min)
10/11 23Z,   0.40, -10.14,  99.90,  -9.75,  -0.01,
10/12 00Z,   0.40,  -8.78,  99.90,  -8.39,  -0.01,
10/12 01Z,   0.40,  -6.47,  99.90,  -6.08,  -0.01,
10/12 02Z,   0.30,  -3.89,  99.90,  -3.60,  -0.01,
10/12 03Z,   0.30,  -1.74,  99.90,  -1.45,  -0.01,
10/12 04Z,   0.20,  -0.49,  99.90,  -0.30,  -0.01,
10/12 05Z,   0.20,  -0.34,  99.90,  -0.15,  -0.01,  (max)
10/12 06Z,   0.30,  -1.35,  99.90,  -1.06,  -0.01,
10/12 07Z,   0.30,  -3.37,  99.90,  -3.08,  -0.01,
10/12 08Z,   0.40,  -5.83,  99.90,  -5.44,  -0.01,
10/12 09Z,   0.50,  -8.00,  99.90,  -7.51,  -0.01,
10/12 10Z,   0.50,  -9.28,  99.90,  -8.79,  -0.01,
10/12 11Z,   0.60,  -9.41,  99.90,  -8.82,  -0.01,  (min)
10/12 12Z,   0.60,  -8.33,  99.90,  -7.74,  -0.01,
10/12 13Z,   0.50,  -6.25,  99.90,  -5.76,  -0.01,
10/12 14Z,   0.50,  -3.71,  99.90,  -3.22,  -0.01,
10/12 15Z,   0.60,  -1.46,  99.90,  -0.88,  -0.01,
10/12 16Z,   0.50,  -0.06,  99.90,   0.43,  -0.01,
10/12 17Z,   0.60,   0.26,  99.90,   0.85,  -0.01,  (max)
10/12 18Z,   0.70,  -0.58,  99.90,   0.11,  -0.01,
10/12 19Z,   0.70,  -2.50,  99.90,  -1.81,  -0.01,
10/12 20Z,   0.70,  -5.08,  99.90,  -4.39,  -0.01,
10/12 21Z,   0.70,  -7.61,  99.90,  -6.92,  -0.01,
10/12 22Z,   0.80,  -9.44,  99.90,  -8.65,  -0.01,
10/12 23Z,   0.80, -10.17,  99.90,  -9.39,  -0.01,  (min)
10/13 00Z,   0.90,  -9.70,  99.90,  -8.82,  -0.01,
10/13 01Z,   0.90,  -8.11,  99.90,  -7.22,  -0.01,
10/13 02Z,   1.00,  -5.77,  99.90,  -4.78,  -0.01,
10/13 03Z,   1.00,  -3.37,  99.90,  -2.38,  -0.01,
10/13 04Z,   1.00,  -1.56,  99.90,  -0.57,  -0.01,
10/13 05Z,   1.00,  -0.68,  99.90,   0.31,  -0.01,  (max)
10/13 06Z,   1.00,  -0.87,  99.90,   0.12,  -0.01,
10/13 07Z,   1.00,  -2.12,  99.90,  -1.13,  -0.01,
10/13 08Z,   1.10,  -4.19,  99.90,  -3.10,  -0.01,
10/13 09Z,   1.30,  -6.47,  99.90,  -5.18,  -0.01,
10/13 10Z,   1.40,  -8.26,  99.90,  -6.87,  -0.01,
10/13 11Z,   1.60,  -9.09,  99.90,  -7.50,  -0.01,  (min)
10/13 12Z,   1.60,  -8.81,  99.90,  -7.22,  -0.01,
10/13 13Z,   1.70,  -7.45,  99.90,  -5.76,  -0.01,
10/13 14Z,   1.70,  -5.28,  99.90,  -3.59,  -0.01,
10/13 15Z,   1.60,  -2.91,  99.90,  -1.32,  -0.01,
10/13 16Z,   1.40,  -1.02,  99.90,   0.37,  -0.01,
10/13 17Z,   1.30,  -0.05,  99.90,   1.24,  -0.01,  (max)
10/13 18Z,   1.20,  -0.15,  99.90,   1.04,  -0.01,
10/13 19Z,   1.10,  -1.31,  99.90,  -0.22,  -0.01,
10/13 20Z,   1.10,  -3.38,  99.90,  -2.29,  -0.01,
10/13 21Z,   1.10,  -5.88,  99.90,  -4.79,  -0.01,
10/13 22Z,   1.00,  -8.12,  99.90,  -7.13,  -0.01,
10/13 23Z,   1.00,  -9.53,  99.90,  -8.54,  -0.01,
10/14 00Z,   1.00,  -9.86,  99.90,  -8.87,  -0.01,  (min)
10/14 01Z,   0.90,  -9.09,  99.90,  -8.20,  -0.01,
10/14 02Z,   0.90,  -7.36,  99.90,  -6.47,  -0.01,
10/14 03Z,   0.80,  -5.11,  99.90,  -4.32,  -0.01,
10/14 04Z,   0.70,  -2.98,  99.90,  -2.29,  -0.01,
10/14 05Z,   0.70,  -1.54,  99.90,  -0.85,  -0.01,
10/14 06Z,   0.60,  -1.03,  99.90,  -0.44,  -0.01,  (max)
10/14 07Z,   0.60,  -1.50,  99.90,  -0.91,  -0.01,
10/14 08Z,   0.60,  -2.90,  99.90,  -2.31,  -0.01,
10/14 09Z,   0.50,  -4.91,  99.90,  -4.42,  -0.01,
10/14 10Z,   0.50,  -6.92,  99.90,  -6.43,  -0.01,
10/14 11Z,   0.50,  -8.30,  99.90,  -7.81,  -0.01,
10/14 12Z,   0.50,  -8.72,  99.90,  -8.23,  -0.01,  (min)
10/14 13Z,   0.40,  -8.11,  99.90,  -7.72,  -0.01,
10/14 14Z,   0.40,  -6.58,  99.90,  -6.19,  -0.01,
10/14 15Z,   0.40,  -4.46,  99.90,  -4.07,  -0.01,
10/14 16Z,   0.30,  -2.35,  99.90,  -2.06,  -0.01,
10/14 17Z,   0.30,  -0.84,  99.90,  -0.55,  -0.01,
10/14 18Z,   0.20,  -0.28,  99.90,  -0.09,  -0.01,