EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Gulf of Alaska
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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 : 03/16/2026 16:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/15 00Z,   0.00,   7.32,   7.45,  99.90,   0.13,
03/15 01Z,  -0.10,   7.67,   7.69,  99.90,   0.12,  (max)
03/15 02Z,  -0.10,   7.29,   7.24,  99.90,   0.05,
03/15 03Z,  -0.20,   6.16,   6.18,  99.90,   0.22,
03/15 04Z,  -0.20,   4.57,   4.37,  99.90,   0.00,
03/15 05Z,  -0.30,   3.03,   2.72,  99.90,  -0.01,
03/15 06Z,  -0.30,   2.02,   1.65,  99.90,  -0.07,
03/15 07Z,  -0.30,   1.75,   1.31,  99.90,  -0.14,  (min)
03/15 08Z,  -0.30,   2.26,   1.74,  99.90,  -0.22,
03/15 09Z,  -0.30,   3.54,   2.87,  99.90,  -0.37,
03/15 10Z,  -0.30,   5.31,   4.80,  99.90,  -0.21,
03/15 11Z,  -0.20,   7.06,   6.63,  99.90,  -0.23,
03/15 12Z,  -0.20,   8.31,   7.91,  99.90,  -0.20,
03/15 13Z,  -0.20,   8.81,   8.56,  99.90,  -0.05,  (max)
03/15 14Z,  -0.10,   8.49,   8.47,  99.90,   0.08,
03/15 15Z,  -0.10,   7.32,   7.26,  99.90,   0.04,
03/15 16Z,  -0.10,   5.49,   5.36,  99.90,  -0.03,
03/15 17Z,   0.00,   3.49,   3.27,  99.90,  -0.22,
03/15 18Z,   0.00,   1.86,   1.76,  99.90,  -0.10,
03/15 19Z,   0.00,   0.97,   0.73,  99.90,  -0.24,
03/15 20Z,   0.10,   0.93,   0.70,  99.90,  -0.33,  (min)
03/15 21Z,   0.10,   1.78,   1.52,  99.90,  -0.36,
03/15 22Z,   0.20,   3.37,   3.00,  99.90,  -0.57,
03/15 23Z,   0.30,   5.27,   5.02,  99.90,  -0.55,
03/16 00Z,   0.20,   6.92,   6.71,  99.90,  -0.41,
03/16 01Z,   0.30,   7.93,   7.72,  99.90,  -0.51,
03/16 02Z,   0.30,   8.14,   8.00,  99.90,  -0.44,  (max)
03/16 03Z,   0.30,   7.49,   7.54,  99.90,  -0.25,
03/16 04Z,   0.30,   6.04,   6.09,  99.90,  -0.25,
03/16 05Z,   0.30,   4.15,   4.28,  99.90,  -0.17,
03/16 06Z,   0.30,   2.45,   2.57,  99.90,  -0.18,
03/16 07Z,   0.30,   1.42,   1.54,  99.90,  -0.18,
03/16 08Z,   0.30,   1.27,   1.36,  99.90,  -0.21,  (min)
03/16 09Z,   0.40,   2.04,   2.15,  99.90,  -0.29,
03/16 10Z,   0.40,   3.63,   3.77,  99.90,  -0.26,
03/16 11Z,   0.50,   5.68,   5.88,  99.90,  -0.30,
03/16 12Z,   0.60,   7.59,   7.96,  99.90,  -0.23,
03/16 13Z,   0.70,   8.86,   9.40,  99.90,  -0.16,
03/16 14Z,   0.80,   9.24,  10.06,  99.90,   0.02,  (max)
03/16 15Z,   0.80,   8.67,   9.62,  99.90,   0.15,
03/16 16Z,   0.70,   7.17,   8.23,  99.90,   0.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 17Z,   0.70,   5.02,  99.90,   6.05,   0.33,
03/16 18Z,   0.70,   2.81,  99.90,   3.80,   0.29,
03/16 19Z,   0.60,   1.17,  99.90,   2.02,   0.26,
03/16 20Z,   0.60,   0.43,  99.90,   1.25,   0.22,  (min)
03/16 21Z,   0.50,   0.70,  99.90,   1.38,   0.18,
03/16 22Z,   0.50,   1.95,  99.90,   2.60,   0.15,
03/16 23Z,   0.40,   3.92,  99.90,   4.43,   0.11,
03/17 00Z,   0.40,   6.06,  99.90,   6.53,   0.08,
03/17 01Z,   0.40,   7.76,  99.90,   8.20,   0.04,
03/17 02Z,   0.50,   8.65,  99.90,   9.15,   0.00,
03/17 03Z,   0.60,   8.58,  99.90,   9.15,  -0.03,  (max)
03/17 04Z,   0.70,   7.54,  99.90,   8.17,  -0.07,
03/17 05Z,   0.60,   5.67,  99.90,   6.20,  -0.07,
03/17 06Z,   0.60,   3.48,  99.90,   4.02,  -0.07,
03/17 07Z,   0.60,   1.67,  99.90,   2.20,  -0.07,
03/17 08Z,   0.60,   0.72,  99.90,   1.25,  -0.07,  (min)
03/17 09Z,   0.70,   0.82,  99.90,   1.45,  -0.07,
03/17 10Z,   0.50,   1.96,  99.90,   2.39,  -0.07,
03/17 11Z,   0.20,   3.94,  99.90,   4.07,  -0.07,
03/17 12Z,   0.00,   6.26,  99.90,   6.19,  -0.07,
03/17 13Z,  -0.10,   8.26,  99.90,   8.10,  -0.07,
03/17 14Z,  -0.50,   9.44,  99.90,   8.87,  -0.07,  (max)
03/17 15Z,  -0.80,   9.58,  99.90,   8.71,  -0.07,
03/17 16Z,  -1.00,   8.65,  99.90,   7.58,  -0.07,
03/17 17Z,  -1.10,   6.75,  99.90,   5.58,  -0.07,
03/17 18Z,  -1.10,   4.29,  99.90,   3.12,  -0.07,
03/17 19Z,  -1.00,   1.97,  99.90,   0.90,  -0.07,
03/17 20Z,  -0.90,   0.43,  99.90,  -0.54,  -0.07,
03/17 21Z,  -0.90,  -0.01,  99.90,  -0.97,  -0.07,  (min)
03/17 22Z,  -0.90,   0.70,  99.90,  -0.26,  -0.07,
03/17 23Z,  -0.90,   2.43,  99.90,   1.46,  -0.07,
03/18 00Z,  -0.80,   4.77,  99.90,   3.90,  -0.07,
03/18 01Z,  -0.80,   7.07,  99.90,   6.20,  -0.07,
03/18 02Z,  -0.80,   8.70,  99.90,   7.84,  -0.07,
03/18 03Z,  -0.80,   9.33,  99.90,   8.46,  -0.07,  (max)
03/18 04Z,  -0.80,   8.86,  99.90,   7.99,  -0.07,
03/18 05Z,  -0.80,   7.33,  99.90,   6.46,  -0.07,
03/18 06Z,  -0.80,   5.04,  99.90,   4.17,  -0.07,
03/18 07Z,  -0.80,   2.61,  99.90,   1.74,  -0.07,
03/18 08Z,  -0.80,   0.79,  99.90,  -0.08,  -0.07,
03/18 09Z,  -0.70,   0.05,  99.90,  -0.71,  -0.07,  (min)
03/18 10Z,  -0.70,   0.52,  99.90,  -0.25,  -0.07,
03/18 11Z,  -0.60,   2.09,  99.90,   1.42,  -0.07,
03/18 12Z,  -0.50,   4.44,  99.90,   3.87,  -0.07,
03/18 13Z,  -0.40,   6.97,  99.90,   6.50,  -0.07,
03/18 14Z,  -0.20,   8.95,  99.90,   8.68,  -0.07,
03/18 15Z,  -0.20,   9.91,  99.90,   9.65,  -0.07,  (max)
03/18 16Z,  -0.20,   9.71,  99.90,   9.44,  -0.07,
03/18 17Z,  -0.20,   8.36,  99.90,   8.09,  -0.07,
03/18 18Z,  -0.20,   6.07,  99.90,   5.81,  -0.07,
03/18 19Z,  -0.20,   3.39,  99.90,   3.12,  -0.07,
03/18 20Z,  -0.20,   1.09,  99.90,   0.83,  -0.07,
03/18 21Z,  -0.10,  -0.18,  99.90,  -0.35,  -0.07,  (min)
03/18 22Z,   0.00,  -0.19,  99.90,  -0.26,  -0.07,
03/18 23Z,   0.00,   1.02,  99.90,   0.96,  -0.07,
03/19 00Z,   0.00,   3.21,  99.90,   3.15,  -0.07,
03/19 01Z,   0.10,   5.84,  99.90,   5.87,  -0.07,
03/19 02Z,   0.10,   8.17,  99.90,   8.21,  -0.07,
03/19 03Z,   0.00,   9.59,  99.90,   9.53,  -0.07,
03/19 04Z,   0.00,   9.83,  99.90,   9.77,  -0.07,  (max)
03/19 05Z,   0.00,   8.88,  99.90,   8.81,  -0.07,
03/19 06Z,   0.00,   6.86,  99.90,   6.80,  -0.07,
03/19 07Z,   0.00,   4.21,  99.90,   4.14,  -0.07,
03/19 08Z,   0.00,   1.66,  99.90,   1.59,  -0.07,
03/19 09Z,   0.00,  -0.03,  99.90,  -0.10,  -0.07,
03/19 10Z,   0.00,  -0.45,  99.90,  -0.52,  -0.07,  (min)
03/19 11Z,   0.00,   0.43,  99.90,   0.36,  -0.07,
03/19 12Z,   0.10,   2.42,  99.90,   2.45,  -0.07,
03/19 13Z,   0.20,   5.07,  99.90,   5.20,  -0.07,
03/19 14Z,   0.20,   7.67,  99.90,   7.81,  -0.07,
03/19 15Z,   0.20,   9.51,  99.90,   9.64,  -0.07,
03/19 16Z,   0.10,  10.17,  99.90,  10.20,  -0.07,  (max)
03/19 17Z,   0.10,   9.58,  99.90,   9.61,  -0.07,
03/19 18Z,   0.10,   7.83,  99.90,   7.86,  -0.07,
03/19 19Z,   0.20,   5.24,  99.90,   5.38,  -0.07,
03/19 20Z,   0.20,   2.48,  99.90,   2.61,  -0.07,
03/19 21Z,   0.20,   0.35,  99.90,   0.49,  -0.07,
03/19 22Z,   0.20,  -0.54,  99.90,  -0.41,  -0.07,  (min)
03/19 23Z,   0.20,  -0.06,  99.90,   0.07,  -0.07,
03/20 00Z,   0.30,   1.65,  99.90,   1.88,  -0.07,
03/20 01Z,   0.30,   4.21,  99.90,   4.44,  -0.07,
03/20 02Z,   0.30,   6.98,  99.90,   7.22,  -0.07,
03/20 03Z,   0.30,   9.20,  99.90,   9.43,  -0.07,
03/20 04Z,   0.20,  10.28,  99.90,  10.42,  -0.07,  (max)
03/20 05Z,   0.20,  10.08,  99.90,  10.21,  -0.07,
03/20 06Z,   0.20,   8.63,  99.90,   8.77,  -0.07,
03/20 07Z,  99.90,   6.20,  99.90,  99.90,  -0.07,
03/20 08Z,  99.90,   3.31,  99.90,  99.90,  -0.07,
03/20 09Z,  99.90,   0.78,  99.90,  99.90,  -0.07,
03/20 10Z,  99.90,  -0.67,  99.90,  99.90,  -0.07,
03/20 11Z,  99.90,  -0.72,  99.90,  99.90,  -0.07,
03/20 12Z,  99.90,   0.57,  99.90,  99.90,  -0.07,