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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Alaska
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 : 04/14/2026 18:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 00Z,   0.00,   8.07,   7.78,  99.90,  -0.29,
04/13 01Z,   0.00,   7.81,   7.59,  99.90,  -0.22,  (max)
04/13 02Z,   0.00,   6.79,   6.81,  99.90,   0.02,
04/13 03Z,   0.00,   5.20,   5.31,  99.90,   0.11,
04/13 04Z,   0.00,   3.49,   3.58,  99.90,   0.09,
04/13 05Z,   0.00,   2.20,   2.28,  99.90,   0.08,
04/13 06Z,   0.00,   1.68,   1.55,  99.90,  -0.13,  (min)
04/13 07Z,   0.00,   1.97,   1.69,  99.90,  -0.28,
04/13 08Z,   0.10,   3.05,   2.89,  99.90,  -0.26,
04/13 09Z,   0.10,   4.72,   4.46,  99.90,  -0.36,
04/13 10Z,   0.10,   6.56,   6.35,  99.90,  -0.31,
04/13 11Z,   0.10,   8.03,   7.85,  99.90,  -0.28,
04/13 12Z,   0.10,   8.75,   8.80,  99.90,  -0.05,  (max)
04/13 13Z,   0.10,   8.63,   8.78,  99.90,   0.05,
04/13 14Z,   0.10,   7.68,   8.00,  99.90,   0.22,
04/13 15Z,   0.00,   6.01,   6.48,  99.90,   0.47,
04/13 16Z,   0.00,   3.98,   4.42,  99.90,   0.44,
04/13 17Z,   0.00,   2.20,   2.78,  99.90,   0.58,
04/13 18Z,   0.00,   1.13,   1.53,  99.90,   0.40,
04/13 19Z,   0.00,   0.96,   1.25,  99.90,   0.29,  (min)
04/13 20Z,   0.00,   1.68,   1.95,  99.90,   0.27,
04/13 21Z,   0.00,   3.20,   3.22,  99.90,   0.02,
04/13 22Z,  -0.10,   5.16,   5.18,  99.90,   0.12,
04/13 23Z,  -0.20,   7.01,   7.01,  99.90,   0.20,
04/14 00Z,  -0.20,   8.25,   8.20,  99.90,   0.15,
04/14 01Z,  -0.40,   8.65,   8.61,  99.90,   0.36,  (max)
04/14 02Z,  -0.40,   8.17,   8.25,  99.90,   0.48,
04/14 03Z,  -0.50,   6.84,   7.06,  99.90,   0.72,
04/14 04Z,  -0.50,   4.92,   5.28,  99.90,   0.86,
04/14 05Z,  -0.50,   2.96,   3.31,  99.90,   0.85,
04/14 06Z,  -0.20,   1.57,   1.88,  99.90,   0.51,
04/14 07Z,  -0.20,   1.07,   1.29,  99.90,   0.42,  (min)
04/14 08Z,  -0.10,   1.53,   1.73,  99.90,   0.30,
04/14 09Z,   0.00,   2.88,   3.00,  99.90,   0.12,
04/14 10Z,   0.00,   4.84,   4.97,  99.90,   0.13,
04/14 11Z,   0.00,   6.91,   6.98,  99.90,   0.07,
04/14 12Z,   0.10,   8.46,   8.64,  99.90,   0.08,
04/14 13Z,   0.10,   9.16,   9.39,  99.90,   0.13,  (max)
04/14 14Z,   0.20,   8.89,   9.08,  99.90,  -0.01,
04/14 15Z,   0.20,   7.69,   8.14,  99.90,   0.25,
04/14 16Z,   0.30,   5.72,   6.18,  99.90,   0.16,
04/14 17Z,   0.30,   3.47,   3.92,  99.90,   0.15,
04/14 18Z,   0.40,   1.61,   1.97,  99.90,  -0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 19Z,   0.40,   0.61,  99.90,   0.98,  -0.03,  (min)
04/14 20Z,   0.50,   0.67,  99.90,   1.14,  -0.03,
04/14 21Z,   0.60,   1.74,  99.90,   2.32,  -0.02,
04/14 22Z,   0.60,   3.63,  99.90,   4.21,  -0.02,
04/14 23Z,   0.80,   5.90,  99.90,   6.68,  -0.01,
04/15 00Z,   0.90,   7.88,  99.90,   8.77,  -0.01,
04/15 01Z,   1.00,   9.07,  99.90,  10.07,  -0.00,
04/15 02Z,   1.00,   9.27,  99.90,  10.27,  -0.00,  (max)
04/15 03Z,   0.90,   8.45,  99.90,   9.35,   0.00,
04/15 04Z,   0.90,   6.71,  99.90,   7.62,   0.01,
04/15 05Z,   0.80,   4.41,  99.90,   5.23,   0.01,
04/15 06Z,   0.80,   2.22,  99.90,   3.04,   0.02,
04/15 07Z,   0.80,   0.78,  99.90,   1.60,   0.02,
04/15 08Z,   0.80,   0.40,  99.90,   1.22,   0.02,  (min)
04/15 09Z,   0.80,   1.13,  99.90,   1.95,   0.02,
04/15 10Z,   0.70,   2.83,  99.90,   3.55,   0.02,
04/15 11Z,   0.70,   5.13,  99.90,   5.85,   0.02,
04/15 12Z,   0.60,   7.39,  99.90,   8.01,   0.02,
04/15 13Z,   0.50,   8.98,  99.90,   9.50,   0.02,
04/15 14Z,   0.50,   9.56,  99.90,  10.08,   0.02,  (max)
04/15 15Z,   0.50,   9.06,  99.90,   9.58,   0.02,
04/15 16Z,   0.50,   7.54,  99.90,   8.06,   0.02,
04/15 17Z,   0.50,   5.26,  99.90,   5.78,   0.02,
04/15 18Z,   0.50,   2.82,  99.90,   3.33,   0.02,
04/15 19Z,   0.60,   0.94,  99.90,   1.56,   0.02,
04/15 20Z,   0.70,   0.14,  99.90,   0.85,   0.02,  (min)
04/15 21Z,   0.60,   0.53,  99.90,   1.14,   0.02,
04/15 22Z,   0.70,   2.02,  99.90,   2.74,   0.02,
04/15 23Z,   0.70,   4.32,  99.90,   5.04,   0.02,
04/16 00Z,   0.70,   6.84,  99.90,   7.56,   0.02,
04/16 01Z,   0.70,   8.87,  99.90,   9.58,   0.02,
04/16 02Z,   0.70,   9.90,  99.90,  10.62,   0.02,  (max)
04/16 03Z,   0.70,   9.78,  99.90,  10.50,   0.02,
04/16 04Z,   0.70,   8.54,  99.90,   9.26,   0.02,
04/16 05Z,   0.70,   6.34,  99.90,   7.06,   0.02,
04/16 06Z,   0.80,   3.69,  99.90,   4.51,   0.02,
04/16 07Z,   0.80,   1.34,  99.90,   2.16,   0.02,
04/16 08Z,   0.80,  -0.05,  99.90,   0.77,   0.02,
04/16 09Z,   0.80,  -0.20,  99.90,   0.62,   0.02,  (min)
04/16 10Z,   0.90,   0.88,  99.90,   1.80,   0.02,
04/16 11Z,   0.90,   2.96,  99.90,   3.88,   0.02,
04/16 12Z,   0.80,   5.56,  99.90,   6.37,   0.02,
04/16 13Z,   0.90,   7.94,  99.90,   8.86,   0.02,
04/16 14Z,   0.80,   9.48,  99.90,  10.30,   0.02,
04/16 15Z,   0.70,   9.86,  99.90,  10.58,   0.02,  (max)
04/16 16Z,   0.70,   9.06,  99.90,   9.78,   0.02,
04/16 17Z,   0.70,   7.20,  99.90,   7.92,   0.02,
04/16 18Z,   0.80,   4.64,  99.90,   5.46,   0.02,
04/16 19Z,   0.80,   2.10,  99.90,   2.92,   0.02,
04/16 20Z,   0.80,   0.34,  99.90,   1.16,   0.02,
04/16 21Z,   0.90,  -0.18,  99.90,   0.74,   0.02,  (min)
04/16 22Z,   0.90,   0.62,  99.90,   1.53,   0.02,
04/16 23Z,   0.90,   2.55,  99.90,   3.47,   0.02,
04/17 00Z,   0.90,   5.20,  99.90,   6.12,   0.02,
04/17 01Z,   0.90,   7.87,  99.90,   8.79,   0.02,
04/17 02Z,   0.90,   9.83,  99.90,  10.74,   0.02,
04/17 03Z,   0.90,  10.60,  99.90,  11.52,   0.02,  (max)
04/17 04Z,   0.90,  10.09,  99.90,  11.01,   0.02,
04/17 05Z,   0.90,   8.39,  99.90,   9.31,   0.02,
04/17 06Z,   0.80,   5.78,  99.90,   6.59,   0.02,
04/17 07Z,   0.90,   2.86,  99.90,   3.78,   0.02,
04/17 08Z,   0.80,   0.46,  99.90,   1.28,   0.02,
04/17 09Z,   0.90,  -0.77,  99.90,   0.14,   0.02,  (min)
04/17 10Z,   0.90,  -0.62,  99.90,   0.30,   0.02,
04/17 11Z,   0.80,   0.83,  99.90,   1.64,   0.02,
04/17 12Z,   0.80,   3.25,  99.90,   4.07,   0.02,
04/17 13Z,   0.80,   6.06,  99.90,   6.87,   0.02,
04/17 14Z,   0.80,   8.46,  99.90,   9.28,   0.02,
04/17 15Z,   0.80,   9.85,  99.90,  10.67,   0.02,
04/17 16Z,   0.80,   9.98,  99.90,  10.80,   0.02,  (max)
04/17 17Z,   0.70,   8.87,  99.90,   9.59,   0.02,
04/17 18Z,   0.70,   6.71,  99.90,   7.43,   0.02,
04/17 19Z,   0.70,   3.97,  99.90,   4.69,   0.02,
04/17 20Z,   0.70,   1.45,  99.90,   2.16,   0.02,
04/17 21Z,   0.70,  -0.10,  99.90,   0.62,   0.02,
04/17 22Z,   0.80,  -0.26,  99.90,   0.56,   0.02,  (min)
04/17 23Z,   0.80,   0.95,  99.90,   1.77,   0.02,
04/18 00Z,   0.80,   3.26,  99.90,   4.07,   0.02,
04/18 01Z,   0.70,   6.14,  99.90,   6.86,   0.02,
04/18 02Z,   0.70,   8.84,  99.90,   9.56,   0.02,
04/18 03Z,   0.70,  10.60,  99.90,  11.32,   0.02,
04/18 04Z,   0.70,  11.05,  99.90,  11.76,   0.02,  (max)
04/18 05Z,   0.60,  10.14,  99.90,  10.75,   0.02,
04/18 06Z,   0.60,   8.03,  99.90,   8.65,   0.02,
04/18 07Z,   0.60,   5.10,  99.90,   5.72,   0.02,
04/18 08Z,   0.60,   2.05,  99.90,   2.67,   0.02,
04/18 09Z,   0.70,  -0.27,  99.90,   0.45,   0.02,
04/18 10Z,   0.70,  -1.26,  99.90,  -0.54,   0.02,  (min)
04/18 11Z,   0.80,  -0.79,  99.90,   0.03,   0.02,
04/18 12Z,   0.80,   0.98,  99.90,   1.80,   0.02,