EXTRA-TROPICAL  STORM  SURGE
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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
#Boston, MA : 10/11/2026 06:23:35 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 12Z,   0.20,  -4.55,  -4.31,  99.90,   0.04,
10/09 13Z,   0.20,  -1.99,  -1.85,  99.90,  -0.06,
10/09 14Z,   0.20,  -0.29,  -0.01,  99.90,   0.08,
10/09 15Z,   0.10,   0.16,   0.50,  99.90,   0.24,  (max)
10/09 16Z,   0.10,  -0.59,  -0.30,  99.90,   0.19,
10/09 17Z,   0.10,  -2.33,  -2.12,  99.90,   0.11,
10/09 18Z,   0.20,  -4.80,  -4.45,  99.90,   0.15,
10/09 19Z,   0.10,  -7.59,  -6.98,  99.90,   0.51,
10/09 20Z,   0.20,  -9.80,  -9.42,  99.90,   0.18,
10/09 21Z,   0.20, -10.59, -10.33,  99.90,   0.06,  (min)
10/09 22Z,   0.20,  -9.92,  -9.65,  99.90,   0.07,
10/09 23Z,   0.30,  -8.22,  -7.75,  99.90,   0.17,
10/10 00Z,   0.20,  -5.78,  -5.49,  99.90,   0.09,
10/10 01Z,   0.20,  -3.07,  -3.06,  99.90,  -0.19,
10/10 02Z,   0.20,  -0.94,  -0.70,  99.90,   0.04,
10/10 03Z,   0.10,   0.03,   0.22,  99.90,   0.09,  (max)
10/10 04Z,   0.10,  -0.25,   0.00,  99.90,   0.15,
10/10 05Z,   0.10,  -1.61,  -1.36,  99.90,   0.15,
10/10 06Z,   0.10,  -3.78,  -3.57,  99.90,   0.11,
10/10 07Z,   0.10,  -6.45,  -5.88,  99.90,   0.47,
10/10 08Z,   0.10,  -8.94,  -8.26,  99.90,   0.58,
10/10 09Z,   0.10, -10.26,  -9.89,  99.90,   0.27,  (min)
10/10 10Z,   0.10, -10.03,  -9.79,  99.90,   0.14,
10/10 11Z,   0.10,  -8.61,  -8.36,  99.90,   0.15,
10/10 12Z,   0.00,  -6.38,  -6.21,  99.90,   0.17,
10/10 13Z,   0.00,  -3.68,  -3.99,  99.90,  -0.31,
10/10 14Z,   0.00,  -1.24,  -1.53,  99.90,  -0.29,
10/10 15Z,  -0.10,   0.17,  -0.17,  99.90,  -0.24,
10/10 16Z,  -0.10,   0.27,   0.05,  99.90,  -0.12,  (max)
10/10 17Z,  -0.10,  -0.82,  -0.96,  99.90,  -0.04,
10/10 18Z,   0.00,  -2.83,  -3.02,  99.90,  -0.19,
10/10 19Z,   0.00,  -5.49,  -5.31,  99.90,   0.18,
10/10 20Z,   0.00,  -8.28,  -7.86,  99.90,   0.42,
10/10 21Z,   0.10, -10.27,  -9.86,  99.90,   0.31,
10/10 22Z,   0.10, -10.73, -10.51,  99.90,   0.12,  (min)
10/10 23Z,   0.20,  -9.77,  -9.45,  99.90,   0.12,
10/11 00Z,   0.20,  -7.86,  -7.60,  99.90,   0.06,
10/11 01Z,   0.20,  -5.30,  -5.23,  99.90,  -0.13,
10/11 02Z,   0.20,  -2.65,  -2.73,  99.90,  -0.28,
10/11 03Z,   0.20,  -0.75,  -0.80,  99.90,  -0.25,
10/11 04Z,   0.20,  -0.08,   0.01,  99.90,  -0.11,  (max)
10/11 05Z,   0.20,  -0.64,  -0.55,  99.90,  -0.11,
10/11 06Z,   0.20,  -2.20,  -2.04,  99.90,  -0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/11 07Z,   0.20,  -4.48,  99.90,  -4.30,  -0.02,
10/11 08Z,   0.30,  -7.11,  99.90,  -6.81,  -0.00,
10/11 09Z,   0.30,  -9.31,  99.90,  -8.99,   0.02,
10/11 10Z,   0.30, -10.18,  99.90,  -9.85,   0.03,  (min)
10/11 11Z,   0.30,  -9.52,  99.90,  -9.17,   0.05,
10/11 12Z,   0.40,  -7.82,  99.90,  -7.35,   0.07,
10/11 13Z,   0.40,  -5.44,  99.90,  -4.95,   0.09,
10/11 14Z,   0.40,  -2.78,  99.90,  -2.28,   0.10,
10/11 15Z,   0.30,  -0.62,  99.90,  -0.20,   0.12,
10/11 16Z,   0.30,   0.38,  99.90,   0.82,   0.14,  (max)
10/11 17Z,   0.30,   0.08,  99.90,   0.53,   0.16,
10/11 18Z,   0.20,  -1.35,  99.90,  -0.97,   0.17,
10/11 19Z,   0.20,  -3.58,  99.90,  -3.21,   0.17,
10/11 20Z,   0.20,  -6.30,  99.90,  -5.93,   0.17,
10/11 21Z,   0.20,  -8.94,  99.90,  -8.56,   0.17,
10/11 22Z,   0.20, -10.55,  99.90, -10.18,   0.17,  (min)
10/11 23Z,   0.30, -10.59,  99.90, -10.11,   0.17,
10/12 00Z,   0.30,  -9.33,  99.90,  -8.86,   0.17,
10/12 01Z,   0.30,  -7.27,  99.90,  -6.80,   0.17,
10/12 02Z,   0.30,  -4.71,  99.90,  -4.23,   0.17,
10/12 03Z,   0.30,  -2.25,  99.90,  -1.77,   0.17,
10/12 04Z,   0.30,  -0.68,  99.90,  -0.20,   0.17,
10/12 05Z,   0.40,  -0.37,  99.90,   0.21,   0.17,  (max)
10/12 06Z,   0.40,  -1.22,  99.90,  -0.65,   0.17,
10/12 07Z,   0.50,  -2.96,  99.90,  -2.28,   0.17,
10/12 08Z,   0.50,  -5.25,  99.90,  -4.58,   0.17,
10/12 09Z,   0.60,  -7.69,  99.90,  -6.92,   0.17,
10/12 10Z,   0.60,  -9.48,  99.90,  -8.71,   0.17,
10/12 11Z,   0.60,  -9.84,  99.90,  -9.06,   0.17,  (min)
10/12 12Z,   0.60,  -8.78,  99.90,  -8.01,   0.17,
10/12 13Z,   0.50,  -6.87,  99.90,  -6.19,   0.17,
10/12 14Z,   0.50,  -4.46,  99.90,  -3.79,   0.17,
10/12 15Z,   0.50,  -2.00,  99.90,  -1.32,   0.17,
10/12 16Z,   0.60,  -0.23,  99.90,   0.55,   0.17,
10/12 17Z,   0.70,   0.31,  99.90,   1.19,   0.17,  (max)
10/12 18Z,   0.70,  -0.41,  99.90,   0.47,   0.17,
10/12 19Z,   0.60,  -2.11,  99.90,  -1.33,   0.17,
10/12 20Z,   0.70,  -4.45,  99.90,  -3.58,   0.17,
10/12 21Z,   0.80,  -7.09,  99.90,  -6.12,   0.17,
10/12 22Z,   0.80,  -9.42,  99.90,  -8.45,   0.17,
10/12 23Z,   0.90, -10.56,  99.90,  -9.49,   0.17,  (min)
10/13 00Z,   0.90, -10.17,  99.90,  -9.10,   0.17,
10/13 01Z,   0.90,  -8.69,  99.90,  -7.61,   0.17,
10/13 02Z,   0.90,  -6.57,  99.90,  -5.49,   0.17,
10/13 03Z,   1.10,  -4.11,  99.90,  -2.84,   0.17,
10/13 04Z,   1.20,  -1.95,  99.90,  -0.58,   0.17,
10/13 05Z,   1.20,  -0.78,  99.90,   0.59,   0.17,  (max)
10/13 06Z,   1.20,  -0.84,  99.90,   0.53,   0.17,
10/13 07Z,   1.20,  -1.95,  99.90,  -0.57,   0.17,
10/13 08Z,   1.30,  -3.77,  99.90,  -2.29,   0.17,
10/13 09Z,   1.40,  -5.97,  99.90,  -4.40,   0.17,
10/13 10Z,   1.50,  -8.12,  99.90,  -6.44,   0.17,
10/13 11Z,   1.60,  -9.42,  99.90,  -7.65,   0.17,  (min)
10/13 12Z,   1.70,  -9.27,  99.90,  -7.40,   0.17,
10/13 13Z,   1.70,  -7.90,  99.90,  -6.03,   0.17,
10/13 14Z,   1.60,  -5.91,  99.90,  -4.13,   0.17,
10/13 15Z,   1.60,  -3.61,  99.90,  -1.83,   0.17,
10/13 16Z,   1.40,  -1.44,  99.90,   0.13,   0.17,
10/13 17Z,   1.30,  -0.12,  99.90,   1.36,   0.17,  (max)
10/13 18Z,   1.20,  -0.03,  99.90,   1.34,   0.17,
10/13 19Z,   1.10,  -1.09,  99.90,   0.18,   0.17,
10/13 20Z,   1.00,  -2.97,  99.90,  -1.79,   0.17,
10/13 21Z,   1.00,  -5.30,  99.90,  -4.12,   0.17,
10/13 22Z,   0.90,  -7.73,  99.90,  -6.66,   0.17,
10/13 23Z,   0.90,  -9.66,  99.90,  -8.58,   0.17,
10/14 00Z,   0.80, -10.30,  99.90,  -9.33,   0.17,  (min)
10/14 01Z,   0.70,  -9.55,  99.90,  -8.67,   0.17,
10/14 02Z,   0.60,  -7.94,  99.90,  -7.16,   0.17,
10/14 03Z,   0.60,  -5.87,  99.90,  -5.10,   0.17,
10/14 04Z,   0.40,  -3.63,  99.90,  -3.05,   0.17,
10/14 05Z,   0.40,  -1.83,  99.90,  -1.25,   0.17,
10/14 06Z,   0.40,  -1.06,  99.90,  -0.48,   0.17,  (max)
10/14 07Z,   0.30,  -1.44,  99.90,  -0.96,   0.17,
10/14 08Z,   0.30,  -2.71,  99.90,  -2.24,   0.17,
10/14 09Z,   0.20,  -4.52,  99.90,  -4.15,   0.17,
10/14 10Z,   0.20,  -6.54,  99.90,  -6.17,   0.17,
10/14 11Z,   0.20,  -8.33,  99.90,  -7.95,   0.17,
10/14 12Z,   0.20,  -9.14,  99.90,  -8.77,   0.17,  (min)
10/14 13Z,   0.20,  -8.56,  99.90,  -8.19,   0.17,
10/14 14Z,   0.20,  -7.01,  99.90,  -6.64,   0.17,
10/14 15Z,   0.20,  -5.06,  99.90,  -4.68,   0.17,
10/14 16Z,   0.10,  -2.96,  99.90,  -2.69,   0.17,
10/14 17Z,   0.10,  -1.15,  99.90,  -0.88,   0.17,
10/14 18Z,   0.10,  -0.26,  99.90,   0.01,   0.17,  (max)
10/14 19Z,   0.10,  -0.56,  99.90,  -0.29,   0.17,
10/14 20Z,   0.10,  -1.86,  99.90,  -1.59,   0.17,
10/14 21Z,   0.10,  -3.79,  99.90,  -3.51,   0.17,
10/14 22Z,   0.10,  -5.99,  99.90,  -5.71,   0.17,
10/14 23Z,   0.10,  -8.14,  99.90,  -7.86,   0.17,
10/15 00Z,   0.10,  -9.63,  99.90,  -9.36,   0.17,