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 : 09/11/2026 22:22:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/10 06Z,   0.60,   4.19,   4.92,  99.90,   0.13,
09/10 07Z,   0.60,   1.62,   2.26,  99.90,   0.04,
09/10 08Z,   0.60,  -0.09,   0.42,  99.90,  -0.09,
09/10 09Z,   0.60,  -0.58,  -0.08,  99.90,  -0.10,  (min)
09/10 10Z,   0.50,   0.26,   0.61,  99.90,  -0.15,
09/10 11Z,   0.40,   2.27,   2.50,  99.90,  -0.17,
09/10 12Z,   0.50,   4.89,   5.27,  99.90,  -0.12,
09/10 13Z,   0.30,   7.38,   7.83,  99.90,   0.15,
09/10 14Z,   0.20,   9.15,   9.59,  99.90,   0.24,
09/10 15Z,   0.10,   9.87,  10.40,  99.90,   0.43,  (max)
09/10 16Z,   0.10,   9.36,   9.86,  99.90,   0.40,
09/10 17Z,   0.10,   7.65,   8.22,  99.90,   0.47,
09/10 18Z,   0.10,   5.12,   5.67,  99.90,   0.45,
09/10 19Z,   0.10,   2.51,   2.79,  99.90,   0.18,
09/10 20Z,   0.10,   0.56,   0.67,  99.90,   0.01,
09/10 21Z,   0.10,  -0.27,  -0.12,  99.90,   0.05,  (min)
09/10 22Z,   0.10,   0.22,   0.27,  99.90,  -0.05,
09/10 23Z,   0.10,   1.99,   2.00,  99.90,  -0.09,
09/11 00Z,   0.10,   4.61,   4.84,  99.90,   0.13,
09/11 01Z,   0.10,   7.34,   7.66,  99.90,   0.22,
09/11 02Z,   0.10,   9.48,   9.84,  99.90,   0.26,
09/11 03Z,   0.10,  10.59,  10.98,  99.90,   0.29,  (max)
09/11 04Z,   0.10,  10.46,  10.84,  99.90,   0.28,
09/11 05Z,   0.10,   9.04,   9.53,  99.90,   0.39,
09/11 06Z,   0.10,   6.55,   7.00,  99.90,   0.35,
09/11 07Z,   0.20,   3.66,   4.04,  99.90,   0.18,
09/11 08Z,   0.20,   1.16,   1.49,  99.90,   0.13,
09/11 09Z,   0.30,  -0.36,  -0.10,  99.90,  -0.04,
09/11 10Z,   0.30,  -0.58,  -0.20,  99.90,   0.08,  (min)
09/11 11Z,   0.40,   0.58,   0.82,  99.90,  -0.16,
09/11 12Z,   0.50,   2.86,   3.03,  99.90,  -0.33,
09/11 13Z,   0.50,   5.62,   5.97,  99.90,  -0.15,
09/11 14Z,   0.60,   8.08,   8.53,  99.90,  -0.15,
09/11 15Z,   0.60,   9.69,  10.24,  99.90,  -0.05,
09/11 16Z,   0.70,  10.16,  10.73,  99.90,  -0.13,  (max)
09/11 17Z,   0.70,   9.35,   9.98,  99.90,  -0.07,
09/11 18Z,   0.70,   7.33,   8.14,  99.90,   0.11,
09/11 19Z,   0.70,   4.61,   5.41,  99.90,   0.10,
09/11 20Z,   0.80,   1.98,   2.65,  99.90,  -0.13,
09/11 21Z,   0.80,   0.14,   0.72,  99.90,  -0.22,
09/11 22Z,   0.80,  -0.49,   0.12,  99.90,  -0.19,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/11 23Z,   0.80,   0.25,  99.90,   0.87,  -0.17,
09/12 00Z,   0.80,   2.24,  99.90,   2.88,  -0.16,
09/12 01Z,   0.80,   4.97,  99.90,   5.63,  -0.14,
09/12 02Z,   0.70,   7.67,  99.90,   8.24,  -0.13,
09/12 03Z,   0.70,   9.65,  99.90,  10.24,  -0.12,
09/12 04Z,   0.60,  10.54,  99.90,  11.04,  -0.10,  (max)
09/12 05Z,   0.50,  10.16,  99.90,  10.57,  -0.09,
09/12 06Z,   0.40,   8.50,  99.90,   8.82,  -0.07,
09/12 07Z,   0.40,   5.89,  99.90,   6.23,  -0.06,
09/12 08Z,   0.40,   3.04,  99.90,   3.40,  -0.04,
09/12 09Z,   0.40,   0.76,  99.90,   1.13,  -0.03,
09/12 10Z,   0.50,  -0.43,  99.90,   0.06,  -0.02,  (min)
09/12 11Z,   0.50,  -0.28,  99.90,   0.21,  -0.02,
09/12 12Z,   0.60,   1.21,  99.90,   1.79,  -0.02,
09/12 13Z,   0.60,   3.69,  99.90,   4.27,  -0.02,
09/12 14Z,   0.60,   6.45,  99.90,   7.04,  -0.02,
09/12 15Z,   0.60,   8.75,  99.90,   9.33,  -0.02,
09/12 16Z,   0.60,  10.07,  99.90,  10.65,  -0.02,
09/12 17Z,   0.60,  10.20,  99.90,  10.78,  -0.02,  (max)
09/12 18Z,   0.60,   9.04,  99.90,   9.62,  -0.02,
09/12 19Z,   0.50,   6.77,  99.90,   7.26,  -0.02,
09/12 20Z,   0.60,   3.98,  99.90,   4.56,  -0.02,
09/12 21Z,   0.60,   1.46,  99.90,   2.04,  -0.02,
09/12 22Z,   0.60,  -0.14,  99.90,   0.45,  -0.02,
09/12 23Z,   0.60,  -0.47,  99.90,   0.11,  -0.02,  (min)
09/13 00Z,   0.60,   0.54,  99.90,   1.12,  -0.02,
09/13 01Z,   0.60,   2.70,  99.90,   3.28,  -0.02,
09/13 02Z,   0.60,   5.44,  99.90,   6.02,  -0.02,
09/13 03Z,   0.60,   7.97,  99.90,   8.55,  -0.02,
09/13 04Z,   0.60,   9.68,  99.90,  10.26,  -0.02,
09/13 05Z,   0.50,  10.27,  99.90,  10.75,  -0.02,  (max)
09/13 06Z,   0.50,   9.60,  99.90,  10.09,  -0.02,
09/13 07Z,   0.50,   7.75,  99.90,   8.23,  -0.02,
09/13 08Z,   0.50,   5.12,  99.90,   5.60,  -0.02,
09/13 09Z,   0.50,   2.47,  99.90,   2.96,  -0.02,
09/13 10Z,   0.50,   0.54,  99.90,   1.03,  -0.02,
09/13 11Z,   0.50,  -0.23,  99.90,   0.25,  -0.02,  (min)
09/13 12Z,   0.50,   0.31,  99.90,   0.79,  -0.02,
09/13 13Z,   0.50,   2.06,  99.90,   2.55,  -0.02,
09/13 14Z,   0.50,   4.62,  99.90,   5.11,  -0.02,
09/13 15Z,   0.50,   7.25,  99.90,   7.74,  -0.02,
09/13 16Z,   0.50,   9.24,  99.90,   9.73,  -0.02,
09/13 17Z,   0.40,  10.19,  99.90,  10.57,  -0.02,  (max)
09/13 18Z,   0.40,   9.94,  99.90,  10.32,  -0.02,
09/13 19Z,   0.50,   8.48,  99.90,   8.96,  -0.02,
09/13 20Z,   0.50,   6.06,  99.90,   6.55,  -0.02,
09/13 21Z,   0.50,   3.33,  99.90,   3.82,  -0.02,
09/13 22Z,   0.60,   1.07,  99.90,   1.65,  -0.02,
09/13 23Z,   0.60,  -0.19,  99.90,   0.40,  -0.02,
09/14 00Z,   0.60,  -0.20,  99.90,   0.38,  -0.02,  (min)
09/14 01Z,   0.60,   1.04,  99.90,   1.63,  -0.02,
09/14 02Z,   0.50,   3.28,  99.90,   3.77,  -0.02,
09/14 03Z,   0.50,   5.90,  99.90,   6.38,  -0.02,
09/14 04Z,   0.50,   8.15,  99.90,   8.64,  -0.02,
09/14 05Z,   0.50,   9.52,  99.90,  10.00,  -0.02,
09/14 06Z,   0.50,   9.78,  99.90,  10.26,  -0.02,  (max)
09/14 07Z,   0.40,   8.87,  99.90,   9.25,  -0.02,
09/14 08Z,   0.40,   6.91,  99.90,   7.30,  -0.02,
09/14 09Z,   0.40,   4.40,  99.90,   4.78,  -0.02,
09/14 10Z,   0.40,   2.07,  99.90,   2.45,  -0.02,
09/14 11Z,   0.50,   0.57,  99.90,   1.05,  -0.02,
09/14 12Z,   0.50,   0.22,  99.90,   0.71,  -0.02,  (min)
09/14 13Z,   0.50,   1.09,  99.90,   1.57,  -0.02,
09/14 14Z,   0.50,   3.02,  99.90,   3.50,  -0.02,
09/14 15Z,   0.60,   5.52,  99.90,   6.11,  -0.02,
09/14 16Z,   0.60,   7.89,  99.90,   8.47,  -0.02,
09/14 17Z,   0.50,   9.49,  99.90,   9.97,  -0.02,
09/14 18Z,   0.50,  10.04,  99.90,  10.52,  -0.02,  (max)
09/14 19Z,   0.50,   9.44,  99.90,   9.93,  -0.02,
09/14 20Z,   0.50,   7.76,  99.90,   8.25,  -0.02,
09/14 21Z,   0.50,   5.33,  99.90,   5.81,  -0.02,
09/14 22Z,   0.50,   2.80,  99.90,   3.28,  -0.02,
09/14 23Z,   0.60,   0.87,  99.90,   1.46,  -0.02,
09/15 00Z,   0.60,  -0.01,  99.90,   0.57,  -0.02,  (min)
09/15 01Z,   0.60,   0.27,  99.90,   0.85,  -0.02,
09/15 02Z,   0.60,   1.66,  99.90,   2.25,  -0.02,
09/15 03Z,   0.50,   3.87,  99.90,   4.35,  -0.02,
09/15 04Z,   0.50,   6.26,  99.90,   6.75,  -0.02,
09/15 05Z,   0.50,   8.17,  99.90,   8.66,  -0.02,
09/15 06Z,   0.40,   9.18,  99.90,   9.57,  -0.02,
09/15 07Z,   0.50,   9.15,  99.90,   9.64,  -0.02,  (max)
09/15 08Z,   0.50,   8.07,  99.90,   8.56,  -0.02,
09/15 09Z,   0.50,   6.12,  99.90,   6.61,  -0.02,
09/15 10Z,   0.50,   3.82,  99.90,   4.31,  -0.02,
09/15 11Z,   0.60,   1.88,  99.90,   2.47,  -0.02,
09/15 12Z,   0.70,   0.82,  99.90,   1.51,  -0.02,
09/15 13Z,  99.90,   0.85,  99.90,  99.90,  -0.02,
09/15 14Z,  99.90,   1.95,  99.90,  99.90,  -0.02,
09/15 15Z,  99.90,   3.92,  99.90,  99.90,  -0.02,
09/15 16Z,  99.90,   6.26,  99.90,  99.90,  -0.02,
09/15 17Z,  99.90,   8.28,  99.90,  99.90,  -0.02,
09/15 18Z,  99.90,   9.48,  99.90,  99.90,  -0.02,