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 : 04/15/2026 09:21:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 18Z,  -0.10, -11.13, -10.70,  99.90,   0.53,
04/13 19Z,  -0.20, -11.60, -11.27,  99.90,   0.53,  (min)
04/13 20Z,  -0.30, -10.88, -10.63,  99.90,   0.55,
04/13 21Z,  -0.30,  -9.46,  -9.40,  99.90,   0.36,
04/13 22Z,  -0.40,  -7.70,  -7.78,  99.90,   0.32,
04/13 23Z,  -0.50,  -5.78,  -5.91,  99.90,   0.37,
04/14 00Z,  -0.40,  -4.18,  -4.38,  99.90,   0.20,
04/14 01Z,  -0.50,  -3.51,  -3.66,  99.90,   0.35,  (max)
04/14 02Z,  -0.60,  -3.90,  -4.04,  99.90,   0.46,
04/14 03Z,  -0.60,  -5.13,  -4.96,  99.90,   0.77,
04/14 04Z,  -0.60,  -6.87,  -6.49,  99.90,   0.98,
04/14 05Z,  -0.70,  -8.81,  -8.40,  99.90,   1.11,
04/14 06Z,  -0.30, -10.58, -10.07,  99.90,   0.81,
04/14 07Z,  -0.30, -11.52, -11.13,  99.90,   0.69,  (min)
04/14 08Z,  -0.20, -11.14, -10.81,  99.90,   0.53,
04/14 09Z,  -0.10,  -9.77,  -9.42,  99.90,   0.45,
04/14 10Z,   0.00,  -7.96,  -7.72,  99.90,   0.24,
04/14 11Z,   0.00,  -5.94,  -5.78,  99.90,   0.16,
04/14 12Z,   0.00,  -4.07,  -3.99,  99.90,   0.08,
04/14 13Z,   0.10,  -3.01,  -2.87,  99.90,   0.04,  (max)
04/14 14Z,   0.10,  -3.09,  -3.04,  99.90,  -0.05,
04/14 15Z,   0.20,  -4.20,  -3.86,  99.90,   0.14,
04/14 16Z,   0.20,  -5.99,  -5.66,  99.90,   0.13,
04/14 17Z,   0.30,  -8.10,  -7.51,  99.90,   0.29,
04/14 18Z,   0.40, -10.21,  -9.57,  99.90,   0.24,
04/14 19Z,   0.50, -11.72, -11.11,  99.90,   0.11,
04/14 20Z,   0.50, -11.96, -11.58,  99.90,  -0.12,  (min)
04/14 21Z,   0.60, -10.90, -10.38,  99.90,  -0.08,
04/14 22Z,   0.60,  -9.12,  -8.77,  99.90,  -0.25,
04/14 23Z,   0.70,  -7.03,  -6.65,  99.90,  -0.32,
04/15 00Z,   0.70,  -4.89,  -4.62,  99.90,  -0.43,
04/15 01Z,   0.80,  -3.31,  -2.96,  99.90,  -0.45,
04/15 02Z,   0.80,  -2.84,  -2.48,  99.90,  -0.44,  (max)
04/15 03Z,   0.80,  -3.55,  -2.97,  99.90,  -0.22,
04/15 04Z,   0.80,  -5.15,  -4.29,  99.90,   0.06,
04/15 05Z,   0.80,  -7.26,  -6.41,  99.90,   0.05,
04/15 06Z,   0.80,  -9.52,  -8.48,  99.90,   0.24,
04/15 07Z,   0.80, -11.44, -10.46,  99.90,   0.18,
04/15 08Z,   0.80, -12.26, -11.51,  99.90,  -0.05,  (min)
04/15 09Z,   0.80, -11.60, -10.59,  99.90,   0.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 10Z,   0.70,  -9.91,  99.90,  -9.01,   0.20,
04/15 11Z,   0.70,  -7.77,  99.90,  -6.88,   0.19,
04/15 12Z,   0.70,  -5.47,  99.90,  -4.59,   0.18,
04/15 13Z,   0.60,  -3.51,  99.90,  -2.74,   0.17,
04/15 14Z,   0.60,  -2.56,  99.90,  -1.80,   0.16,  (max)
04/15 15Z,   0.50,  -2.87,  99.90,  -2.22,   0.15,
04/15 16Z,   0.60,  -4.26,  99.90,  -3.53,   0.14,
04/15 17Z,   0.50,  -6.34,  99.90,  -5.71,   0.13,
04/15 18Z,   0.60,  -8.70,  99.90,  -7.99,   0.12,
04/15 19Z,   0.60, -10.93,  99.90, -10.22,   0.10,
04/15 20Z,   0.70, -12.31,  99.90, -11.51,   0.09,  (min)
04/15 21Z,   0.70, -12.18,  99.90, -11.40,   0.08,
04/15 22Z,   0.80, -10.70,  99.90,  -9.81,   0.08,
04/15 23Z,   0.80,  -8.54,  99.90,  -7.65,   0.08,
04/16 00Z,   0.80,  -6.13,  99.90,  -5.24,   0.08,
04/16 01Z,   0.80,  -3.86,  99.90,  -2.97,   0.08,
04/16 02Z,   0.80,  -2.40,  99.90,  -1.52,   0.08,
04/16 03Z,   0.70,  -2.26,  99.90,  -1.47,   0.08,  (max)
04/16 04Z,   0.70,  -3.37,  99.90,  -2.59,   0.08,
04/16 05Z,   0.70,  -5.39,  99.90,  -4.61,   0.08,
04/16 06Z,   0.80,  -7.87,  99.90,  -6.99,   0.08,
04/16 07Z,   0.70, -10.40,  99.90,  -9.62,   0.08,
04/16 08Z,   0.80, -12.36,  99.90, -11.48,   0.08,
04/16 09Z,   0.80, -12.96,  99.90, -12.07,   0.08,  (min)
04/16 10Z,   0.80, -11.93,  99.90, -11.05,   0.08,
04/16 11Z,   0.90,  -9.88,  99.90,  -8.90,   0.08,
04/16 12Z,   0.80,  -7.43,  99.90,  -6.54,   0.08,
04/16 13Z,   0.80,  -4.92,  99.90,  -4.04,   0.08,
04/16 14Z,   0.80,  -2.96,  99.90,  -2.08,   0.08,
04/16 15Z,   0.80,  -2.20,  99.90,  -1.31,   0.08,  (max)
04/16 16Z,   0.80,  -2.80,  99.90,  -1.92,   0.08,
04/16 17Z,   0.80,  -4.50,  99.90,  -3.62,   0.08,
04/16 18Z,   0.80,  -6.86,  99.90,  -5.97,   0.08,
04/16 19Z,   0.80,  -9.41,  99.90,  -8.53,   0.08,
04/16 20Z,   0.80, -11.64,  99.90, -10.76,   0.08,
04/16 21Z,   0.90, -12.75,  99.90, -11.77,   0.08,  (min)
04/16 22Z,   0.90, -12.18,  99.90, -11.20,   0.08,
04/16 23Z,   0.90, -10.25,  99.90,  -9.27,   0.08,
04/17 00Z,   0.90,  -7.74,  99.90,  -6.76,   0.08,
04/17 01Z,   0.90,  -5.10,  99.90,  -4.12,   0.08,
04/17 02Z,   0.90,  -2.83,  99.90,  -1.85,   0.08,
04/17 03Z,   0.80,  -1.62,  99.90,  -0.74,   0.08,  (max)
04/17 04Z,   0.80,  -1.87,  99.90,  -0.98,   0.08,
04/17 05Z,   0.70,  -3.41,  99.90,  -2.63,   0.08,
04/17 06Z,   0.70,  -5.83,  99.90,  -5.05,   0.08,
04/17 07Z,   0.70,  -8.63,  99.90,  -7.85,   0.08,
04/17 08Z,   0.70, -11.33,  99.90, -10.54,   0.08,
04/17 09Z,   0.70, -13.20,  99.90, -12.42,   0.08,
04/17 10Z,   0.70, -13.46,  99.90, -12.68,   0.08,  (min)
04/17 11Z,   0.70, -12.05,  99.90, -11.26,   0.08,
04/17 12Z,   0.70,  -9.67,  99.90,  -8.89,   0.08,
04/17 13Z,   0.70,  -6.97,  99.90,  -6.19,   0.08,
04/17 14Z,   0.80,  -4.36,  99.90,  -3.48,   0.08,
04/17 15Z,   0.80,  -2.51,  99.90,  -1.63,   0.08,
04/17 16Z,   0.70,  -2.01,  99.90,  -1.23,   0.08,  (max)
04/17 17Z,   0.70,  -2.93,  99.90,  -2.14,   0.08,
04/17 18Z,   0.80,  -4.91,  99.90,  -4.03,   0.08,
04/17 19Z,   0.90,  -7.47,  99.90,  -6.49,   0.08,
04/17 20Z,   0.80, -10.11,  99.90,  -9.23,   0.08,
04/17 21Z,   0.80, -12.22,  99.90, -11.34,   0.08,
04/17 22Z,   0.80, -12.97,  99.90, -12.09,   0.08,  (min)
04/17 23Z,   0.80, -11.92,  99.90, -11.04,   0.08,
04/18 00Z,   0.80,  -9.61,  99.90,  -8.73,   0.08,
04/18 01Z,   0.70,  -6.85,  99.90,  -6.06,   0.08,
04/18 02Z,   0.70,  -4.11,  99.90,  -3.33,   0.08,
04/18 03Z,   0.70,  -1.96,  99.90,  -1.18,   0.08,
04/18 04Z,   0.70,  -1.08,  99.90,  -0.29,   0.08,  (max)
04/18 05Z,   0.70,  -1.73,  99.90,  -0.95,   0.08,
04/18 06Z,   0.70,  -3.67,  99.90,  -2.89,   0.08,
04/18 07Z,   0.80,  -6.41,  99.90,  -5.53,   0.08,
04/18 08Z,   0.80,  -9.41,  99.90,  -8.53,   0.08,
04/18 09Z,   0.80, -12.14,  99.90, -11.26,   0.08,
04/18 10Z,   0.80, -13.81,  99.90, -12.92,   0.08,  (min)
04/18 11Z,   0.80, -13.69,  99.90, -12.81,   0.08,
04/18 12Z,   0.90, -11.93,  99.90, -10.94,   0.08,
04/18 13Z,   0.90,  -9.33,  99.90,  -8.34,   0.08,
04/18 14Z,   0.80,  -6.50,  99.90,  -5.62,   0.08,
04/18 15Z,   0.80,  -3.92,  99.90,  -3.03,   0.08,
04/18 16Z,   0.80,  -2.26,  99.90,  -1.38,   0.08,
04/18 17Z,   0.70,  -2.05,  99.90,  -1.27,   0.08,  (max)
04/18 18Z,   0.70,  -3.24,  99.90,  -2.46,   0.08,
04/18 19Z,   0.70,  -5.43,  99.90,  -4.65,   0.08,
04/18 20Z,   0.80,  -8.09,  99.90,  -7.21,   0.08,
04/18 21Z,   0.80, -10.69,  99.90,  -9.81,   0.08,
04/18 22Z,   0.80, -12.58,  99.90, -11.70,   0.08,
04/18 23Z,   0.80, -12.92,  99.90, -12.04,   0.08,  (min)
04/19 00Z,   0.80, -11.45,  99.90, -10.57,   0.08,
04/19 01Z,  99.90,  -8.88,  99.90,  99.90,   0.08,
04/19 02Z,  99.90,  -6.00,  99.90,  99.90,   0.08,
04/19 03Z,  99.90,  -3.30,  99.90,  99.90,   0.08,
04/19 04Z,  99.90,  -1.37,  99.90,  99.90,   0.08,
04/19 05Z,  99.90,  -0.83,  99.90,  99.90,   0.08,
04/19 06Z,  99.90,  -1.85,  99.90,  99.90,   0.08,