EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
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Gulf of Alaska
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Eastport, ME
Bar Harbor, ME
Portland, ME
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Nantucket, MA
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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 : 07/11/2026 04:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 12Z,   0.70,   7.57,   8.23,  99.90,  -0.04,
07/09 13Z,   0.70,   5.90,   6.51,  99.90,  -0.09,
07/09 14Z,   0.60,   3.84,   4.38,  99.90,  -0.06,
07/09 15Z,   0.60,   1.96,   2.60,  99.90,   0.04,
07/09 16Z,   0.60,   0.86,   1.60,  99.90,   0.14,  (min)
07/09 17Z,   0.60,   0.86,   1.61,  99.90,   0.15,
07/09 18Z,   0.70,   1.90,   2.66,  99.90,   0.06,
07/09 19Z,   0.70,   3.75,   4.44,  99.90,  -0.01,
07/09 20Z,   0.70,   6.04,   6.72,  99.90,  -0.02,
07/09 21Z,   0.70,   8.22,   8.82,  99.90,  -0.10,
07/09 22Z,   0.70,   9.67,  10.12,  99.90,  -0.25,
07/09 23Z,   0.60,  10.06,  10.55,  99.90,  -0.11,  (max)
07/10 00Z,   0.70,   9.39,   9.99,  99.90,  -0.10,
07/10 01Z,   0.70,   7.82,   8.40,  99.90,  -0.12,
07/10 02Z,   0.70,   5.61,   6.11,  99.90,  -0.20,
07/10 03Z,   0.70,   3.24,   3.77,  99.90,  -0.17,
07/10 04Z,   0.60,   1.34,   1.95,  99.90,   0.01,
07/10 05Z,   0.60,   0.42,   1.11,  99.90,   0.09,  (min)
07/10 06Z,   0.60,   0.60,   1.23,  99.90,   0.03,
07/10 07Z,   0.60,   1.74,   2.34,  99.90,   0.00,
07/10 08Z,   0.60,   3.60,   4.35,  99.90,   0.15,
07/10 09Z,   0.60,   5.73,   6.60,  99.90,   0.27,
07/10 10Z,   0.60,   7.53,   8.23,  99.90,   0.10,
07/10 11Z,   0.60,   8.51,   9.26,  99.90,   0.15,
07/10 12Z,   0.70,   8.49,   9.27,  99.90,   0.08,  (max)
07/10 13Z,   0.70,   7.58,   8.28,  99.90,   0.00,
07/10 14Z,   0.70,   5.91,   6.56,  99.90,  -0.05,
07/10 15Z,   0.70,   3.84,   4.42,  99.90,  -0.12,
07/10 16Z,   0.70,   1.96,   2.56,  99.90,  -0.10,
07/10 17Z,   0.70,   0.88,   1.49,  99.90,  -0.09,  (min)
07/10 18Z,   0.70,   0.90,   1.57,  99.90,  -0.03,
07/10 19Z,   0.70,   1.99,   2.76,  99.90,   0.07,
07/10 20Z,   0.70,   3.92,   4.63,  99.90,   0.01,
07/10 21Z,   0.70,   6.30,   7.05,  99.90,   0.05,
07/10 22Z,   0.80,   8.54,   9.18,  99.90,  -0.16,
07/10 23Z,   0.80,  10.00,  10.55,  99.90,  -0.25,
07/11 00Z,   0.80,  10.38,  10.93,  99.90,  -0.25,  (max)
07/11 01Z,   0.70,   9.66,  10.22,  99.90,  -0.14,
07/11 02Z,   0.70,   7.99,   8.51,  99.90,  -0.18,
07/11 03Z,   0.70,   5.64,   6.03,  99.90,  -0.31,
07/11 04Z,   0.70,   3.11,   3.55,  99.90,  -0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 05Z,   0.70,   1.09,  99.90,   1.54,  -0.25,
07/11 06Z,   0.70,   0.07,  99.90,   0.54,  -0.23,  (min)
07/11 07Z,   0.70,   0.19,  99.90,   0.67,  -0.22,
07/11 08Z,   0.70,   1.35,  99.90,   1.84,  -0.20,
07/11 09Z,   0.70,   3.29,  99.90,   3.80,  -0.19,
07/11 10Z,   0.70,   5.55,  99.90,   6.07,  -0.18,
07/11 11Z,   0.70,   7.46,  99.90,   8.00,  -0.16,
07/11 12Z,   0.70,   8.53,  99.90,   9.09,  -0.15,
07/11 13Z,   0.70,   8.61,  99.90,   9.17,  -0.13,  (max)
07/11 14Z,   0.80,   7.73,  99.90,   8.41,  -0.12,
07/11 15Z,   0.80,   6.03,  99.90,   6.72,  -0.11,
07/11 16Z,   0.80,   3.89,  99.90,   4.59,  -0.09,
07/11 17Z,   0.80,   1.93,  99.90,   2.64,  -0.09,
07/11 18Z,   0.80,   0.81,  99.90,   1.52,  -0.09,  (min)
07/11 19Z,   0.80,   0.81,  99.90,   1.52,  -0.09,
07/11 20Z,   0.80,   1.93,  99.90,   2.64,  -0.09,
07/11 21Z,   0.80,   3.96,  99.90,   4.66,  -0.09,
07/11 22Z,   0.80,   6.47,  99.90,   7.17,  -0.09,
07/11 23Z,   0.80,   8.80,  99.90,   9.51,  -0.09,
07/12 00Z,   0.80,  10.33,  99.90,  11.04,  -0.09,
07/12 01Z,   0.70,  10.72,  99.90,  11.33,  -0.09,  (max)
07/12 02Z,   0.70,   9.98,  99.90,  10.59,  -0.09,
07/12 03Z,   0.70,   8.21,  99.90,   8.81,  -0.09,
07/12 04Z,   0.60,   5.68,  99.90,   6.19,  -0.09,
07/12 05Z,   0.60,   2.97,  99.90,   3.48,  -0.09,
07/12 06Z,   0.50,   0.80,  99.90,   1.21,  -0.09,
07/12 07Z,   0.50,  -0.32,  99.90,   0.08,  -0.09,  (min)
07/12 08Z,   0.60,  -0.25,  99.90,   0.26,  -0.09,
07/12 09Z,   0.60,   0.97,  99.90,   1.47,  -0.09,
07/12 10Z,   0.60,   3.05,  99.90,   3.56,  -0.09,
07/12 11Z,   0.60,   5.46,  99.90,   5.97,  -0.09,
07/12 12Z,   0.60,   7.51,  99.90,   8.02,  -0.09,
07/12 13Z,   0.70,   8.70,  99.90,   9.30,  -0.09,
07/12 14Z,   0.70,   8.84,  99.90,   9.45,  -0.09,  (max)
07/12 15Z,   0.60,   7.96,  99.90,   8.47,  -0.09,
07/12 16Z,   0.60,   6.18,  99.90,   6.68,  -0.09,
07/12 17Z,   0.60,   3.90,  99.90,   4.41,  -0.09,
07/12 18Z,   0.60,   1.84,  99.90,   2.35,  -0.09,
07/12 19Z,   0.60,   0.64,  99.90,   1.14,  -0.09,
07/12 20Z,   0.60,   0.62,  99.90,   1.12,  -0.09,  (min)
07/12 21Z,   0.60,   1.78,  99.90,   2.29,  -0.09,
07/12 22Z,   0.60,   3.93,  99.90,   4.44,  -0.09,
07/12 23Z,   0.60,   6.59,  99.90,   7.10,  -0.09,
07/13 00Z,   0.60,   9.04,  99.90,   9.55,  -0.09,
07/13 01Z,   0.50,  10.64,  99.90,  11.05,  -0.09,
07/13 02Z,   0.50,  11.06,  99.90,  11.47,  -0.09,  (max)
07/13 03Z,   0.50,  10.28,  99.90,  10.69,  -0.09,
07/13 04Z,   0.50,   8.38,  99.90,   8.79,  -0.09,
07/13 05Z,   0.40,   5.67,  99.90,   5.98,  -0.09,
07/13 06Z,   0.40,   2.78,  99.90,   3.09,  -0.09,
07/13 07Z,   0.40,   0.47,  99.90,   0.78,  -0.09,
07/13 08Z,   0.40,  -0.72,  99.90,  -0.41,  -0.09,  (min)
07/13 09Z,   0.40,  -0.63,  99.90,  -0.32,  -0.09,
07/13 10Z,   0.50,   0.69,  99.90,   1.09,  -0.09,
07/13 11Z,   0.50,   2.94,  99.90,   3.35,  -0.09,
07/13 12Z,   0.50,   5.52,  99.90,   5.93,  -0.09,
07/13 13Z,   0.50,   7.70,  99.90,   8.11,  -0.09,
07/13 14Z,   0.50,   8.97,  99.90,   9.38,  -0.09,
07/13 15Z,   0.50,   9.14,  99.90,   9.55,  -0.09,  (max)
07/13 16Z,   0.50,   8.20,  99.90,   8.61,  -0.09,
07/13 17Z,   0.50,   6.27,  99.90,   6.68,  -0.09,
07/13 18Z,   0.50,   3.84,  99.90,   4.25,  -0.09,
07/13 19Z,   0.50,   1.66,  99.90,   2.06,  -0.09,
07/13 20Z,   0.60,   0.39,  99.90,   0.90,  -0.09,
07/13 21Z,   0.60,   0.37,  99.90,   0.88,  -0.09,  (min)
07/13 22Z,   0.60,   1.62,  99.90,   2.13,  -0.09,
07/13 23Z,   0.50,   3.91,  99.90,   4.31,  -0.09,
07/14 00Z,   0.50,   6.71,  99.90,   7.12,  -0.09,
07/14 01Z,   0.50,   9.27,  99.90,   9.67,  -0.09,
07/14 02Z,   0.40,  10.91,  99.90,  11.22,  -0.09,
07/14 03Z,   0.40,  11.33,  99.90,  11.64,  -0.09,  (max)
07/14 04Z,   0.30,  10.48,  99.90,  10.68,  -0.09,
07/14 05Z,   0.30,   8.43,  99.90,   8.64,  -0.09,
07/14 06Z,   0.30,   5.54,  99.90,   5.75,  -0.09,
07/14 07Z,   0.30,   2.51,  99.90,   2.72,  -0.09,
07/14 08Z,   0.30,   0.14,  99.90,   0.35,  -0.09,
07/14 09Z,   0.30,  -1.05,  99.90,  -0.85,  -0.09,  (min)
07/14 10Z,   0.30,  -0.88,  99.90,  -0.68,  -0.09,
07/14 11Z,   0.30,   0.59,  99.90,   0.79,  -0.09,
07/14 12Z,   0.30,   3.02,  99.90,   3.22,  -0.09,
07/14 13Z,   0.30,   5.74,  99.90,   5.94,  -0.09,
07/14 14Z,   0.30,   7.99,  99.90,   8.20,  -0.09,
07/14 15Z,   0.20,   9.29,  99.90,   9.40,  -0.09,
07/14 16Z,   0.20,   9.43,  99.90,   9.53,  -0.09,  (max)
07/14 17Z,   0.20,   8.37,  99.90,   8.47,  -0.09,
07/14 18Z,   0.20,   6.27,  99.90,   6.38,  -0.09,
07/14 19Z,  99.90,   3.69,  99.90,  99.90,  -0.09,
07/14 20Z,  99.90,   1.42,  99.90,  99.90,  -0.09,
07/14 21Z,  99.90,   0.14,  99.90,  99.90,  -0.09,
07/14 22Z,  99.90,   0.17,  99.90,  99.90,  -0.09,
07/14 23Z,  99.90,   1.52,  99.90,  99.90,  -0.09,
07/15 00Z,  99.90,   3.94,  99.90,  99.90,  -0.09,