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 : 10/18/2026 04:22:04 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   0.90,  -9.34,  -8.37,  99.90,   0.07,
10/16 13Z,   0.90, -10.43,  -9.41,  99.90,   0.12,  (min)
10/16 14Z,   0.80, -10.49,  -9.31,  99.90,   0.38,
10/16 15Z,   0.80,  -9.45,  -8.27,  99.90,   0.38,
10/16 16Z,   0.70,  -7.93,  -7.09,  99.90,   0.14,
10/16 17Z,   0.70,  -6.29,  -5.36,  99.90,   0.23,
10/16 18Z,   0.60,  -4.66,  -3.91,  99.90,   0.15,
10/16 19Z,   0.60,  -3.48,  -2.86,  99.90,   0.02,
10/16 20Z,   0.50,  -3.23,  -2.54,  99.90,   0.19,  (max)
10/16 21Z,   0.50,  -3.97,  -3.18,  99.90,   0.29,
10/16 22Z,   0.50,  -5.40,  -4.43,  99.90,   0.47,
10/16 23Z,   0.40,  -7.15,  -6.02,  99.90,   0.73,
10/17 00Z,   0.40,  -8.95,  -7.94,  99.90,   0.61,
10/17 01Z,   0.30, -10.53,  -9.40,  99.90,   0.83,
10/17 02Z,   0.20, -11.33, -10.21,  99.90,   0.92,  (min)
10/17 03Z,   0.20, -11.00,  -9.96,  99.90,   0.84,
10/17 04Z,   0.10,  -9.89,  -8.97,  99.90,   0.82,
10/17 05Z,   0.10,  -8.50,  -7.59,  99.90,   0.81,
10/17 06Z,   0.20,  -6.92,  -5.80,  99.90,   0.92,
10/17 07Z,   0.20,  -5.41,  -4.57,  99.90,   0.64,
10/17 08Z,   0.10,  -4.51,  -3.76,  99.90,   0.65,  (max)
10/17 09Z,   0.20,  -4.53,  -3.80,  99.90,   0.53,
10/17 10Z,   0.10,  -5.34,  -4.60,  99.90,   0.64,
10/17 11Z,   0.10,  -6.60,  -5.99,  99.90,   0.51,
10/17 12Z,   0.10,  -8.02,  -7.40,  99.90,   0.52,
10/17 13Z,   0.10,  -9.37,  -8.76,  99.90,   0.51,
10/17 14Z,   0.10, -10.23,  -9.73,  99.90,   0.40,  (min)
10/17 15Z,   0.10, -10.08,  -9.45,  99.90,   0.53,
10/17 16Z,   0.10,  -9.01,  -8.55,  99.90,   0.36,
10/17 17Z,   0.00,  -7.60,  -7.13,  99.90,   0.47,
10/17 18Z,   0.10,  -6.12,  -5.65,  99.90,   0.37,
10/17 19Z,   0.20,  -4.66,  -4.19,  99.90,   0.27,
10/17 20Z,   0.20,  -3.67,  -3.36,  99.90,   0.11,
10/17 21Z,   0.30,  -3.58,  -3.22,  99.90,   0.06,  (max)
10/17 22Z,   0.30,  -4.38,  -4.11,  99.90,  -0.03,
10/17 23Z,   0.30,  -5.77,  -5.39,  99.90,   0.08,
10/18 00Z,   0.40,  -7.39,  -7.09,  99.90,  -0.10,
10/18 01Z,   0.50,  -9.04,  -8.75,  99.90,  -0.21,
10/18 02Z,   0.40, -10.44, -10.29,  99.90,  -0.25,
10/18 03Z,   0.30, -11.05, -10.84,  99.90,  -0.09,  (min)
10/18 04Z,   0.50, -10.61, -10.28,  99.90,  -0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 05Z,   0.40,  -9.56,  99.90,  -9.30,  -0.14,
10/18 06Z,   0.40,  -8.28,  99.90,  -7.99,  -0.11,
10/18 07Z,   0.50,  -6.80,  99.90,  -6.39,  -0.08,
10/18 08Z,   0.60,  -5.41,  99.90,  -4.87,  -0.06,
10/18 09Z,   0.60,  -4.65,  99.90,  -4.08,  -0.03,
10/18 10Z,   0.80,  -4.76,  99.90,  -3.96,   0.00,  (max)
10/18 11Z,   0.90,  -5.57,  99.90,  -4.65,   0.03,
10/18 12Z,   0.80,  -6.77,  99.90,  -5.92,   0.06,
10/18 13Z,   0.80,  -8.10,  99.90,  -7.22,   0.08,
10/18 14Z,   0.60,  -9.36,  99.90,  -8.65,   0.11,
10/18 15Z,   0.60, -10.09,  99.90,  -9.35,   0.14,  (min)
10/18 16Z,   0.50,  -9.84,  99.90,  -9.18,   0.17,
10/18 17Z,   0.20,  -8.80,  99.90,  -8.43,   0.17,
10/18 18Z,   0.20,  -7.50,  99.90,  -7.13,   0.17,
10/18 19Z,   0.20,  -6.10,  99.90,  -5.73,   0.17,
10/18 20Z,   0.20,  -4.71,  99.90,  -4.34,   0.17,
10/18 21Z,   0.20,  -3.82,  99.90,  -3.45,   0.17,
10/18 22Z,   0.20,  -3.81,  99.90,  -3.44,   0.17,  (max)
10/18 23Z,   0.30,  -4.62,  99.90,  -4.16,   0.17,
10/19 00Z,   0.30,  -5.96,  99.90,  -5.49,   0.17,
10/19 01Z,   0.30,  -7.51,  99.90,  -7.04,   0.17,
10/19 02Z,   0.30,  -9.09,  99.90,  -8.63,   0.17,
10/19 03Z,   0.20, -10.41,  99.90, -10.04,   0.17,
10/19 04Z,   0.20, -10.90,  99.90, -10.53,   0.17,  (min)
10/19 05Z,   0.20, -10.41,  99.90, -10.05,   0.17,
10/19 06Z,   0.20,  -9.40,  99.90,  -9.03,   0.17,
10/19 07Z,   0.20,  -8.15,  99.90,  -7.78,   0.17,
10/19 08Z,   0.20,  -6.68,  99.90,  -6.31,   0.17,
10/19 09Z,   0.30,  -5.32,  99.90,  -4.86,   0.17,
10/19 10Z,   0.30,  -4.63,  99.90,  -4.17,   0.17,  (max)
10/19 11Z,   0.30,  -4.80,  99.90,  -4.33,   0.17,
10/19 12Z,   0.40,  -5.63,  99.90,  -5.06,   0.17,
10/19 13Z,   0.30,  -6.82,  99.90,  -6.35,   0.17,
10/19 14Z,   0.30,  -8.15,  99.90,  -7.69,   0.17,
10/19 15Z,   0.40,  -9.42,  99.90,  -8.85,   0.17,
10/19 16Z,   0.30, -10.11,  99.90,  -9.64,   0.17,  (min)
10/19 17Z,   0.30,  -9.81,  99.90,  -9.34,   0.17,
10/19 18Z,   0.30,  -8.80,  99.90,  -8.33,   0.17,
10/19 19Z,   0.30,  -7.54,  99.90,  -7.07,   0.17,
10/19 20Z,   0.50,  -6.12,  99.90,  -5.45,   0.17,
10/19 21Z,   0.60,  -4.71,  99.90,  -3.94,   0.17,
10/19 22Z,   0.60,  -3.85,  99.90,  -3.08,   0.17,
10/19 23Z,   0.70,  -3.88,  99.90,  -3.01,   0.17,  (max)
10/20 00Z,   0.70,  -4.71,  99.90,  -3.84,   0.17,
10/20 01Z,   0.70,  -6.04,  99.90,  -5.18,   0.17,
10/20 02Z,   0.70,  -7.61,  99.90,  -6.74,   0.17,
10/20 03Z,   0.70,  -9.22,  99.90,  -8.35,   0.17,
10/20 04Z,   0.70, -10.51,  99.90,  -9.64,   0.17,
10/20 05Z,   0.80, -10.92,  99.90,  -9.95,   0.17,  (min)
10/20 06Z,   0.70, -10.37,  99.90,  -9.50,   0.17,
10/20 07Z,   0.70,  -9.32,  99.90,  -8.46,   0.17,
10/20 08Z,   0.90,  -7.99,  99.90,  -6.93,   0.17,
10/20 09Z,   0.90,  -6.42,  99.90,  -5.36,   0.17,
10/20 10Z,   1.00,  -5.05,  99.90,  -3.88,   0.17,
10/20 11Z,   1.00,  -4.42,  99.90,  -3.25,   0.17,  (max)
10/20 12Z,   1.10,  -4.65,  99.90,  -3.39,   0.17,
10/20 13Z,   1.20,  -5.56,  99.90,  -4.19,   0.17,
10/20 14Z,   1.30,  -6.84,  99.90,  -5.37,   0.17,
10/20 15Z,   1.40,  -8.29,  99.90,  -6.72,   0.17,
10/20 16Z,   1.30,  -9.64,  99.90,  -8.17,   0.17,
10/20 17Z,   1.30, -10.33,  99.90,  -8.86,   0.17,  (min)
10/20 18Z,   1.30,  -9.98,  99.90,  -8.51,   0.17,
10/20 19Z,   1.30,  -8.94,  99.90,  -7.47,   0.17,
10/20 20Z,   1.30,  -7.61,  99.90,  -6.14,   0.17,
10/20 21Z,   1.20,  -6.07,  99.90,  -4.70,   0.17,
10/20 22Z,   1.30,  -4.58,  99.90,  -3.11,   0.17,
10/20 23Z,   1.30,  -3.72,  99.90,  -2.26,   0.17,  (max)
10/21 00Z,   1.30,  -3.81,  99.90,  -2.34,   0.17,
10/21 01Z,   1.30,  -4.71,  99.90,  -3.24,   0.17,
10/21 02Z,   1.40,  -6.12,  99.90,  -4.56,   0.17,
10/21 03Z,   1.50,  -7.79,  99.90,  -6.12,   0.17,
10/21 04Z,   1.40,  -9.50,  99.90,  -7.93,   0.17,
10/21 05Z,   1.50, -10.79,  99.90,  -9.12,   0.17,
10/21 06Z,   1.60, -11.08,  99.90,  -9.32,   0.17,  (min)
10/21 07Z,   1.60, -10.40,  99.90,  -8.63,   0.17,
10/21 08Z,   1.60,  -9.21,  99.90,  -7.44,   0.17,
10/21 09Z,   1.50,  -7.69,  99.90,  -6.02,   0.17,
10/21 10Z,   1.60,  -5.96,  99.90,  -4.19,   0.17,
10/21 11Z,   1.60,  -4.56,  99.90,  -2.79,   0.17,
10/21 12Z,   1.60,  -4.02,  99.90,  -2.25,   0.17,  (max)
10/21 13Z,   1.60,  -4.40,  99.90,  -2.63,   0.17,
10/21 14Z,   1.60,  -5.48,  99.90,  -3.71,   0.17,
10/21 15Z,   1.50,  -6.95,  99.90,  -5.28,   0.17,
10/21 16Z,   1.50,  -8.60,  99.90,  -6.94,   0.17,
10/21 17Z,   1.50, -10.08,  99.90,  -8.41,   0.17,
10/21 18Z,   1.40, -10.74,  99.90,  -9.18,   0.17,
10/21 19Z,  99.90, -10.29,  99.90,  99.90,   0.17,
10/21 20Z,  99.90,  -9.12,  99.90,  99.90,   0.17,
10/21 21Z,  99.90,  -7.61,  99.90,  99.90,   0.17,
10/21 22Z,  99.90,  -5.87,  99.90,  99.90,   0.17,
10/21 23Z,  99.90,  -4.29,  99.90,  99.90,   0.17,
10/22 00Z,  99.90,  -3.47,  99.90,  99.90,   0.17,