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 : 04/10/2026 22:21:59 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 06Z,  -0.30,  -6.43,  -6.69,  99.90,   0.04,
04/09 07Z,  -0.30,  -4.99,  -5.22,  99.90,   0.07,
04/09 08Z,  -0.30,  -3.89,  -4.10,  99.90,   0.09,
04/09 09Z,  -0.30,  -3.60,  -3.95,  99.90,  -0.05,  (max)
04/09 10Z,  -0.20,  -4.25,  -4.53,  99.90,  -0.08,
04/09 11Z,  -0.20,  -5.58,  -5.86,  99.90,  -0.08,
04/09 12Z,  -0.30,  -7.19,  -7.54,  99.90,  -0.05,
04/09 13Z,  -0.30,  -8.81,  -9.22,  99.90,  -0.11,
04/09 14Z,  -0.30, -10.23, -10.66,  99.90,  -0.13,
04/09 15Z,  -0.40, -11.02, -11.30,  99.90,   0.12,  (min)
04/09 16Z,  -0.40, -10.77, -10.94,  99.90,   0.23,
04/09 17Z,  -0.40,  -9.74, -10.10,  99.90,   0.04,
04/09 18Z,  -0.40,  -8.47,  -8.71,  99.90,   0.16,
04/09 19Z,  -0.40,  -7.09,  -7.37,  99.90,   0.12,
04/09 20Z,  -0.40,  -5.72,  -5.98,  99.90,   0.14,
04/09 21Z,  -0.40,  -4.82,  -5.25,  99.90,  -0.03,
04/09 22Z,  -0.40,  -4.78,  -5.18,  99.90,   0.00,  (max)
04/09 23Z,  -0.40,  -5.51,  -5.86,  99.90,   0.05,
04/10 00Z,  -0.40,  -6.70,  -6.90,  99.90,   0.20,
04/10 01Z,  -0.40,  -8.01,  -8.20,  99.90,   0.21,
04/10 02Z,  -0.40,  -9.25,  -9.47,  99.90,   0.18,
04/10 03Z,  -0.40, -10.11, -10.29,  99.90,   0.22,  (min)
04/10 04Z,  -0.40, -10.07, -10.06,  99.90,   0.41,
04/10 05Z,  -0.40,  -9.10,  -9.17,  99.90,   0.33,
04/10 06Z,  -0.30,  -7.75,  -7.92,  99.90,   0.13,
04/10 07Z,  -0.30,  -6.37,  -6.53,  99.90,   0.14,
04/10 08Z,  -0.30,  -5.00,  -4.83,  99.90,   0.47,
04/10 09Z,  -0.30,  -3.99,  -4.03,  99.90,   0.26,
04/10 10Z,  -0.30,  -3.78,  -3.75,  99.90,   0.33,  (max)
04/10 11Z,  -0.30,  -4.47,  -4.35,  99.90,   0.42,
04/10 12Z,  -0.10,  -5.76,  -5.65,  99.90,   0.21,
04/10 13Z,  -0.10,  -7.29,  -7.23,  99.90,   0.16,
04/10 14Z,   0.00,  -8.84,  -8.82,  99.90,   0.02,
04/10 15Z,   0.00, -10.20, -10.24,  99.90,  -0.04,
04/10 16Z,   0.00, -10.90, -10.92,  99.90,  -0.02,  (min)
04/10 17Z,   0.00, -10.59, -10.60,  99.90,  -0.01,
04/10 18Z,   0.00,  -9.59,  -9.65,  99.90,  -0.06,
04/10 19Z,   0.00,  -8.38,  -8.39,  99.90,  -0.01,
04/10 20Z,   0.00,  -7.01,  -6.84,  99.90,   0.17,
04/10 21Z,   0.00,  -5.64,  -5.55,  99.90,   0.09,
04/10 22Z,   0.00,  -4.81,  -4.87,  99.90,  -0.06,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 23Z,   0.00,  -4.82,  99.90,  -4.87,  -0.05,
04/11 00Z,   0.00,  -5.57,  99.90,  -5.61,  -0.04,
04/11 01Z,   0.00,  -6.73,  99.90,  -6.76,  -0.03,
04/11 02Z,   0.00,  -8.03,  99.90,  -8.05,  -0.02,
04/11 03Z,   0.00,  -9.29,  99.90,  -9.30,  -0.01,
04/11 04Z,   0.00, -10.13,  99.90, -10.13,  -0.00,  (min)
04/11 05Z,   0.00, -10.05,  99.90, -10.04,   0.01,
04/11 06Z,   0.00,  -9.08,  99.90,  -9.06,   0.02,
04/11 07Z,   0.00,  -7.77,  99.90,  -7.75,   0.03,
04/11 08Z,   0.00,  -6.39,  99.90,  -6.35,   0.04,
04/11 09Z,   0.00,  -4.98,  99.90,  -4.94,   0.05,
04/11 10Z,   0.10,  -3.97,  99.90,  -3.81,   0.06,
04/11 11Z,   0.10,  -3.80,  99.90,  -3.65,   0.06,  (max)
04/11 12Z,   0.20,  -4.51,  99.90,  -4.25,   0.06,
04/11 13Z,   0.10,  -5.79,  99.90,  -5.64,   0.06,
04/11 14Z,   0.10,  -7.33,  99.90,  -7.18,   0.06,
04/11 15Z,   0.10,  -8.93,  99.90,  -8.77,   0.06,
04/11 16Z,   0.00, -10.32,  99.90, -10.26,   0.06,
04/11 17Z,   0.00, -10.98,  99.90, -10.92,   0.06,  (min)
04/11 18Z,   0.00, -10.60,  99.90, -10.55,   0.06,
04/11 19Z,   0.00,  -9.58,  99.90,  -9.52,   0.06,
04/11 20Z,   0.00,  -8.30,  99.90,  -8.25,   0.06,
04/11 21Z,   0.00,  -6.82,  99.90,  -6.77,   0.06,
04/11 22Z,   0.10,  -5.40,  99.90,  -5.24,   0.06,
04/11 23Z,   0.20,  -4.58,  99.90,  -4.32,   0.06,  (max)
04/12 00Z,   0.20,  -4.65,  99.90,  -4.39,   0.06,
04/12 01Z,   0.20,  -5.45,  99.90,  -5.20,   0.06,
04/12 02Z,   0.20,  -6.69,  99.90,  -6.43,   0.06,
04/12 03Z,   0.10,  -8.10,  99.90,  -7.95,   0.06,
04/12 04Z,   0.00,  -9.48,  99.90,  -9.43,   0.06,
04/12 05Z,  -0.10, -10.37,  99.90, -10.42,   0.06,  (min)
04/12 06Z,  -0.20, -10.25,  99.90, -10.40,   0.06,
04/12 07Z,  -0.20,  -9.25,  99.90,  -9.39,   0.06,
04/12 08Z,  -0.10,  -7.89,  99.90,  -7.93,   0.06,
04/12 09Z,  -0.10,  -6.38,  99.90,  -6.42,   0.06,
04/12 10Z,  -0.10,  -4.84,  99.90,  -4.89,   0.06,
04/12 11Z,   0.00,  -3.79,  99.90,  -3.73,   0.06,
04/12 12Z,   0.00,  -3.65,  99.90,  -3.60,   0.06,  (max)
04/12 13Z,   0.10,  -4.41,  99.90,  -4.26,   0.06,
04/12 14Z,   0.10,  -5.77,  99.90,  -5.62,   0.06,
04/12 15Z,   0.10,  -7.43,  99.90,  -7.27,   0.06,
04/12 16Z,   0.10,  -9.16,  99.90,  -9.00,   0.06,
04/12 17Z,   0.00, -10.63,  99.90, -10.57,   0.06,
04/12 18Z,   0.00, -11.24,  99.90, -11.18,   0.06,  (min)
04/12 19Z,   0.00, -10.74,  99.90, -10.69,   0.06,
04/12 20Z,   0.00,  -9.58,  99.90,  -9.52,   0.06,
04/12 21Z,   0.00,  -8.11,  99.90,  -8.06,   0.06,
04/12 22Z,   0.00,  -6.43,  99.90,  -6.37,   0.06,
04/12 23Z,   0.10,  -4.90,  99.90,  -4.75,   0.06,
04/13 00Z,   0.10,  -4.12,  99.90,  -3.97,   0.06,  (max)
04/13 01Z,   0.10,  -4.30,  99.90,  -4.15,   0.06,
04/13 02Z,   0.10,  -5.27,  99.90,  -5.11,   0.06,
04/13 03Z,   0.10,  -6.70,  99.90,  -6.54,   0.06,
04/13 04Z,   0.10,  -8.34,  99.90,  -8.18,   0.06,
04/13 05Z,   0.00,  -9.91,  99.90,  -9.85,   0.06,
04/13 06Z,   0.10, -10.85,  99.90, -10.69,   0.06,  (min)
04/13 07Z,   0.00, -10.65,  99.90, -10.59,   0.06,
04/13 08Z,   0.10,  -9.52,  99.90,  -9.36,   0.06,
04/13 09Z,   0.00,  -7.98,  99.90,  -7.92,   0.06,
04/13 10Z,   0.00,  -6.24,  99.90,  -6.18,   0.06,
04/13 11Z,   0.00,  -4.54,  99.90,  -4.48,   0.06,
04/13 12Z,   0.00,  -3.45,  99.90,  -3.39,   0.06,
04/13 13Z,   0.00,  -3.39,  99.90,  -3.33,   0.06,  (max)
04/13 14Z,   0.00,  -4.28,  99.90,  -4.22,   0.06,
04/13 15Z,   0.00,  -5.81,  99.90,  -5.76,   0.06,
04/13 16Z,   0.00,  -7.67,  99.90,  -7.61,   0.06,
04/13 17Z,   0.00,  -9.59,  99.90,  -9.54,   0.06,
04/13 18Z,  -0.10, -11.13,  99.90, -11.17,   0.06,
04/13 19Z,  -0.10, -11.60,  99.90, -11.65,   0.06,  (min)
04/13 20Z,  -0.30, -10.88,  99.90, -11.13,   0.06,
04/13 21Z,  -0.30,  -9.46,  99.90,  -9.70,   0.06,
04/13 22Z,  -0.30,  -7.70,  99.90,  -7.95,   0.06,
04/13 23Z,  -0.30,  -5.78,  99.90,  -6.02,   0.06,
04/14 00Z,  -0.40,  -4.18,  99.90,  -4.53,   0.06,
04/14 01Z,  -0.50,  -3.51,  99.90,  -3.95,   0.06,  (max)
04/14 02Z,  -0.60,  -3.90,  99.90,  -4.44,   0.06,
04/14 03Z,  -0.70,  -5.13,  99.90,  -5.78,   0.06,
04/14 04Z,  -0.70,  -6.87,  99.90,  -7.51,   0.06,
04/14 05Z,  -0.70,  -8.81,  99.90,  -9.45,   0.06,
04/14 06Z,  -0.60, -10.58,  99.90, -11.13,   0.06,
04/14 07Z,  -0.50, -11.52,  99.90, -11.96,   0.06,  (min)
04/14 08Z,  -0.30, -11.14,  99.90, -11.38,   0.06,
04/14 09Z,  -0.20,  -9.77,  99.90,  -9.91,   0.06,
04/14 10Z,  -0.10,  -7.96,  99.90,  -8.00,   0.06,
04/14 11Z,   0.00,  -5.94,  99.90,  -5.88,   0.06,
04/14 12Z,   0.00,  -4.07,  99.90,  -4.02,   0.06,
04/14 13Z,  99.90,  -3.01,  99.90,  99.90,   0.06,
04/14 14Z,  99.90,  -3.09,  99.90,  99.90,   0.06,
04/14 15Z,  99.90,  -4.20,  99.90,  99.90,   0.06,
04/14 16Z,  99.90,  -5.99,  99.90,  99.90,   0.06,
04/14 17Z,  99.90,  -8.10,  99.90,  99.90,   0.06,
04/14 18Z,  99.90, -10.21,  99.90,  99.90,   0.06,