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 : 04/14/2026 09:20:17 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 18Z,   0.00,  -3.66,  -3.88,  99.90,  -0.22,
04/12 19Z,   0.00,  -3.16,  -3.58,  99.90,  -0.42,  (min)
04/12 20Z,   0.00,  -1.94,  -2.41,  99.90,  -0.47,
04/12 21Z,   0.00,  -0.25,  -0.70,  99.90,  -0.45,
04/12 22Z,   0.00,   1.44,   0.95,  99.90,  -0.49,
04/12 23Z,   0.00,   2.65,   2.27,  99.90,  -0.38,
04/13 00Z,   0.00,   3.14,   2.85,  99.90,  -0.29,  (max)
04/13 01Z,   0.00,   2.88,   2.66,  99.90,  -0.22,
04/13 02Z,   0.00,   1.86,   1.88,  99.90,   0.02,
04/13 03Z,   0.00,   0.27,   0.38,  99.90,   0.11,
04/13 04Z,   0.00,  -1.44,  -1.35,  99.90,   0.09,
04/13 05Z,   0.00,  -2.73,  -2.65,  99.90,   0.08,
04/13 06Z,   0.00,  -3.25,  -3.38,  99.90,  -0.13,  (min)
04/13 07Z,   0.00,  -2.96,  -3.24,  99.90,  -0.28,
04/13 08Z,   0.10,  -1.88,  -2.04,  99.90,  -0.26,
04/13 09Z,   0.10,  -0.21,  -0.47,  99.90,  -0.36,
04/13 10Z,   0.10,   1.63,   1.42,  99.90,  -0.31,
04/13 11Z,   0.10,   3.10,   2.92,  99.90,  -0.28,
04/13 12Z,   0.10,   3.82,   3.87,  99.90,  -0.05,  (max)
04/13 13Z,   0.10,   3.70,   3.85,  99.90,   0.05,
04/13 14Z,   0.10,   2.75,   3.07,  99.90,   0.22,
04/13 15Z,   0.00,   1.08,   1.55,  99.90,   0.47,
04/13 16Z,   0.00,  -0.95,  -0.51,  99.90,   0.44,
04/13 17Z,   0.00,  -2.73,  -2.15,  99.90,   0.58,
04/13 18Z,   0.00,  -3.80,  -3.40,  99.90,   0.40,
04/13 19Z,   0.00,  -3.97,  -3.68,  99.90,   0.29,  (min)
04/13 20Z,   0.00,  -3.25,  -2.98,  99.90,   0.27,
04/13 21Z,   0.00,  -1.73,  -1.71,  99.90,   0.02,
04/13 22Z,  -0.10,   0.23,   0.25,  99.90,   0.12,
04/13 23Z,  -0.20,   2.08,   2.08,  99.90,   0.20,
04/14 00Z,  -0.20,   3.32,   3.27,  99.90,   0.15,
04/14 01Z,  -0.40,   3.72,   3.68,  99.90,   0.36,  (max)
04/14 02Z,  -0.40,   3.24,   3.32,  99.90,   0.48,
04/14 03Z,  -0.50,   1.91,   2.13,  99.90,   0.72,
04/14 04Z,  -0.50,  -0.01,   0.35,  99.90,   0.86,
04/14 05Z,  -0.50,  -1.97,  -1.62,  99.90,   0.85,
04/14 06Z,  -0.60,  -3.36,  -3.05,  99.90,   0.91,
04/14 07Z,  -0.60,  -3.86,  -3.64,  99.90,   0.82,  (min)
04/14 08Z,  -0.50,  -3.40,  -3.20,  99.90,   0.70,
04/14 09Z,  -0.50,  -2.05,  -1.93,  99.90,   0.62,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 10Z,  -0.40,  -0.09,  99.90,   0.09,   0.57,
04/14 11Z,  -0.30,   1.98,  99.90,   2.20,   0.52,
04/14 12Z,  -0.20,   3.53,  99.90,   3.81,   0.47,
04/14 13Z,  -0.10,   4.23,  99.90,   4.55,   0.42,  (max)
04/14 14Z,   0.00,   3.96,  99.90,   4.33,   0.37,
04/14 15Z,   0.00,   2.76,  99.90,   3.08,   0.32,
04/14 16Z,   0.00,   0.79,  99.90,   1.07,   0.27,
04/14 17Z,   0.00,  -1.46,  99.90,  -1.23,   0.22,
04/14 18Z,   0.00,  -3.32,  99.90,  -3.15,   0.17,
04/14 19Z,   0.10,  -4.32,  99.90,  -4.10,   0.12,  (min)
04/14 20Z,   0.20,  -4.26,  99.90,  -3.99,   0.07,
04/14 21Z,   0.30,  -3.19,  99.90,  -2.87,   0.02,
04/14 22Z,   0.40,  -1.30,  99.90,  -0.88,   0.02,
04/14 23Z,   0.40,   0.97,  99.90,   1.39,   0.02,
04/15 00Z,   0.60,   2.95,  99.90,   3.57,   0.02,
04/15 01Z,   0.70,   4.14,  99.90,   4.86,   0.02,
04/15 02Z,   0.80,   4.34,  99.90,   5.16,   0.02,  (max)
04/15 03Z,   0.80,   3.52,  99.90,   4.34,   0.02,
04/15 04Z,   0.70,   1.78,  99.90,   2.50,   0.02,
04/15 05Z,   0.70,  -0.52,  99.90,   0.20,   0.02,
04/15 06Z,   0.60,  -2.71,  99.90,  -2.09,   0.02,
04/15 07Z,   0.50,  -4.15,  99.90,  -3.63,   0.02,
04/15 08Z,   0.50,  -4.53,  99.90,  -4.01,   0.02,  (min)
04/15 09Z,   0.50,  -3.80,  99.90,  -3.28,   0.02,
04/15 10Z,   0.50,  -2.10,  99.90,  -1.58,   0.02,
04/15 11Z,   0.40,   0.20,  99.90,   0.62,   0.02,
04/15 12Z,   0.40,   2.46,  99.90,   2.88,   0.02,
04/15 13Z,   0.40,   4.05,  99.90,   4.47,   0.02,
04/15 14Z,   0.30,   4.63,  99.90,   4.95,   0.02,  (max)
04/15 15Z,   0.30,   4.13,  99.90,   4.45,   0.02,
04/15 16Z,   0.30,   2.61,  99.90,   2.93,   0.02,
04/15 17Z,   0.30,   0.33,  99.90,   0.65,   0.02,
04/15 18Z,   0.30,  -2.11,  99.90,  -1.79,   0.02,
04/15 19Z,   0.40,  -3.99,  99.90,  -3.57,   0.02,
04/15 20Z,   0.40,  -4.79,  99.90,  -4.37,   0.02,  (min)
04/15 21Z,   0.50,  -4.40,  99.90,  -3.88,   0.02,
04/15 22Z,   0.50,  -2.91,  99.90,  -2.39,   0.02,
04/15 23Z,   0.50,  -0.61,  99.90,  -0.09,   0.02,
04/16 00Z,   0.50,   1.91,  99.90,   2.43,   0.02,
04/16 01Z,   0.50,   3.94,  99.90,   4.46,   0.02,
04/16 02Z,   0.50,   4.97,  99.90,   5.49,   0.02,  (max)
04/16 03Z,   0.50,   4.85,  99.90,   5.37,   0.02,
04/16 04Z,   0.40,   3.61,  99.90,   4.03,   0.02,
04/16 05Z,   0.40,   1.41,  99.90,   1.83,   0.02,
04/16 06Z,   0.40,  -1.24,  99.90,  -0.82,   0.02,
04/16 07Z,   0.40,  -3.59,  99.90,  -3.17,   0.02,
04/16 08Z,   0.40,  -4.98,  99.90,  -4.56,   0.02,
04/16 09Z,   0.50,  -5.13,  99.90,  -4.61,   0.02,  (min)
04/16 10Z,   0.50,  -4.05,  99.90,  -3.53,   0.02,
04/16 11Z,   0.50,  -1.97,  99.90,  -1.45,   0.02,
04/16 12Z,   0.50,   0.63,  99.90,   1.15,   0.02,
04/16 13Z,   0.50,   3.01,  99.90,   3.53,   0.02,
04/16 14Z,   0.50,   4.55,  99.90,   5.07,   0.02,
04/16 15Z,   0.50,   4.93,  99.90,   5.45,   0.02,  (max)
04/16 16Z,   0.40,   4.13,  99.90,   4.55,   0.02,
04/16 17Z,   0.40,   2.27,  99.90,   2.69,   0.02,
04/16 18Z,   0.40,  -0.29,  99.90,   0.13,   0.02,
04/16 19Z,   0.40,  -2.83,  99.90,  -2.41,   0.02,
04/16 20Z,   0.50,  -4.59,  99.90,  -4.07,   0.02,
04/16 21Z,   0.50,  -5.11,  99.90,  -4.59,   0.02,  (min)
04/16 22Z,   0.50,  -4.31,  99.90,  -3.79,   0.02,
04/16 23Z,   0.60,  -2.38,  99.90,  -1.76,   0.02,
04/17 00Z,   0.70,   0.27,  99.90,   0.99,   0.02,
04/17 01Z,   0.60,   2.94,  99.90,   3.56,   0.02,
04/17 02Z,   0.70,   4.90,  99.90,   5.62,   0.02,
04/17 03Z,   0.60,   5.67,  99.90,   6.29,   0.02,  (max)
04/17 04Z,   0.60,   5.16,  99.90,   5.78,   0.02,
04/17 05Z,   0.50,   3.46,  99.90,   3.98,   0.02,
04/17 06Z,   0.50,   0.85,  99.90,   1.37,   0.02,
04/17 07Z,   0.50,  -2.07,  99.90,  -1.55,   0.02,
04/17 08Z,   0.50,  -4.47,  99.90,  -3.95,   0.02,
04/17 09Z,   0.50,  -5.70,  99.90,  -5.18,   0.02,  (min)
04/17 10Z,   0.50,  -5.55,  99.90,  -5.03,   0.02,
04/17 11Z,   0.50,  -4.10,  99.90,  -3.58,   0.02,
04/17 12Z,   0.50,  -1.68,  99.90,  -1.16,   0.02,
04/17 13Z,   0.50,   1.13,  99.90,   1.65,   0.02,
04/17 14Z,   0.50,   3.53,  99.90,   4.05,   0.02,
04/17 15Z,   0.50,   4.92,  99.90,   5.44,   0.02,
04/17 16Z,   0.50,   5.05,  99.90,   5.57,   0.02,  (max)
04/17 17Z,   0.50,   3.94,  99.90,   4.46,   0.02,
04/17 18Z,   0.50,   1.78,  99.90,   2.30,   0.02,
04/17 19Z,   0.40,  -0.96,  99.90,  -0.54,   0.02,
04/17 20Z,   0.50,  -3.48,  99.90,  -2.96,   0.02,
04/17 21Z,   0.50,  -5.03,  99.90,  -4.51,   0.02,
04/17 22Z,   0.50,  -5.19,  99.90,  -4.67,   0.02,  (min)
04/17 23Z,   0.50,  -3.98,  99.90,  -3.46,   0.02,
04/18 00Z,   0.50,  -1.67,  99.90,  -1.15,   0.02,
04/18 01Z,  99.90,   1.21,  99.90,  99.90,   0.02,
04/18 02Z,  99.90,   3.91,  99.90,  99.90,   0.02,
04/18 03Z,  99.90,   5.67,  99.90,  99.90,   0.02,
04/18 04Z,  99.90,   6.12,  99.90,  99.90,   0.02,
04/18 05Z,  99.90,   5.21,  99.90,  99.90,   0.02,
04/18 06Z,  99.90,   3.10,  99.90,  99.90,   0.02,