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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Northwest
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 : 05/21/2026 04:20:25 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/19 12Z,   0.00,  -6.27,  -6.01,  99.90,   0.26,  (min)
05/19 13Z,   0.00,  -5.08,  -5.00,  99.90,   0.08,
05/19 14Z,   0.00,  -2.80,  -2.52,  99.90,   0.28,
05/19 15Z,   0.00,   0.02,   0.56,  99.90,   0.54,
05/19 16Z,   0.00,   2.59,   3.03,  99.90,   0.44,
05/19 17Z,   0.00,   4.28,   4.71,  99.90,   0.43,
05/19 18Z,   0.10,   4.79,   5.23,  99.90,   0.34,  (max)
05/19 19Z,   0.20,   4.08,   4.34,  99.90,   0.06,
05/19 20Z,   0.20,   2.28,   2.56,  99.90,   0.08,
05/19 21Z,   0.10,  -0.23,  -0.09,  99.90,   0.04,
05/19 22Z,   0.10,  -2.70,  -2.60,  99.90,  -0.00,
05/19 23Z,   0.10,  -4.35,  -4.20,  99.90,   0.05,
05/20 00Z,   0.30,  -4.73,  -4.62,  99.90,  -0.19,  (min)
05/20 01Z,   0.20,  -3.78,  -3.67,  99.90,  -0.09,
05/20 02Z,   0.20,  -1.70,  -1.60,  99.90,  -0.10,
05/20 03Z,   0.20,   1.05,   1.29,  99.90,   0.04,
05/20 04Z,   0.20,   3.75,   4.01,  99.90,   0.06,
05/20 05Z,   0.10,   5.67,   5.86,  99.90,   0.09,
05/20 06Z,   0.20,   6.37,   6.63,  99.90,   0.06,  (max)
05/20 07Z,   0.30,   5.78,   6.03,  99.90,  -0.05,
05/20 08Z,   0.30,   3.97,   4.28,  99.90,   0.01,
05/20 09Z,   0.30,   1.22,   1.43,  99.90,  -0.09,
05/20 10Z,   0.40,  -1.84,  -1.58,  99.90,  -0.14,
05/20 11Z,   0.40,  -4.41,  -4.26,  99.90,  -0.25,
05/20 12Z,   0.40,  -5.86,  -5.70,  99.90,  -0.24,  (min)
05/20 13Z,   0.40,  -5.95,  -5.67,  99.90,  -0.12,
05/20 14Z,   0.50,  -4.75,  -4.62,  99.90,  -0.37,
05/20 15Z,   0.50,  -2.52,  -2.23,  99.90,  -0.21,
05/20 16Z,   0.50,   0.18,   0.67,  99.90,  -0.01,
05/20 17Z,   0.50,   2.60,   3.06,  99.90,  -0.04,
05/20 18Z,   0.50,   4.16,   4.61,  99.90,  -0.05,
05/20 19Z,   0.50,   4.60,   4.96,  99.90,  -0.14,  (max)
05/20 20Z,   0.50,   3.89,   4.25,  99.90,  -0.14,
05/20 21Z,   0.50,   2.12,   2.43,  99.90,  -0.19,
05/20 22Z,   0.50,  -0.29,  -0.15,  99.90,  -0.36,
05/20 23Z,   0.50,  -2.61,  -2.45,  99.90,  -0.34,
05/21 00Z,   0.50,  -4.13,  -3.97,  99.90,  -0.34,
05/21 01Z,   0.50,  -4.45,  -4.29,  99.90,  -0.34,  (min)
05/21 02Z,   0.40,  -3.53,  -3.42,  99.90,  -0.29,
05/21 03Z,   0.40,  -1.55,  -1.40,  99.90,  -0.25,
05/21 04Z,   0.40,   1.04,   1.32,  99.90,  -0.12,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 05Z,   0.40,   3.56,  99.90,   3.84,  -0.11,
05/21 06Z,   0.30,   5.31,  99.90,   5.51,  -0.11,
05/21 07Z,   0.30,   5.94,  99.90,   6.14,  -0.10,  (max)
05/21 08Z,   0.30,   5.37,  99.90,   5.57,  -0.10,
05/21 09Z,   0.30,   3.64,  99.90,   3.85,  -0.09,
05/21 10Z,   0.30,   1.04,  99.90,   1.26,  -0.08,
05/21 11Z,   0.40,  -1.82,  99.90,  -1.50,  -0.08,
05/21 12Z,   0.40,  -4.19,  99.90,  -3.86,  -0.07,
05/21 13Z,   0.50,  -5.49,  99.90,  -5.06,  -0.07,
05/21 14Z,   0.50,  -5.55,  99.90,  -5.11,  -0.06,  (min)
05/21 15Z,   0.50,  -4.39,  99.90,  -3.95,  -0.06,
05/21 16Z,   0.60,  -2.27,  99.90,  -1.72,  -0.05,
05/21 17Z,   0.60,   0.28,  99.90,   0.83,  -0.05,
05/21 18Z,   0.60,   2.55,  99.90,   3.10,  -0.05,
05/21 19Z,   0.50,   4.00,  99.90,   4.45,  -0.05,
05/21 20Z,   0.50,   4.43,  99.90,   4.88,  -0.05,  (max)
05/21 21Z,   0.50,   3.75,  99.90,   4.20,  -0.05,
05/21 22Z,   0.50,   2.07,  99.90,   2.52,  -0.05,
05/21 23Z,   0.60,  -0.22,  99.90,   0.33,  -0.05,
05/22 00Z,   0.60,  -2.41,  99.90,  -1.86,  -0.05,
05/22 01Z,   0.60,  -3.84,  99.90,  -3.29,  -0.05,
05/22 02Z,   0.50,  -4.17,  99.90,  -3.72,  -0.05,  (min)
05/22 03Z,   0.50,  -3.37,  99.90,  -2.92,  -0.05,
05/22 04Z,   0.40,  -1.56,  99.90,  -1.21,  -0.05,
05/22 05Z,   0.40,   0.85,  99.90,   1.20,  -0.05,
05/22 06Z,   0.30,   3.18,  99.90,   3.43,  -0.05,
05/22 07Z,   0.30,   4.82,  99.90,   5.07,  -0.05,
05/22 08Z,   0.30,   5.44,  99.90,   5.69,  -0.05,  (max)
05/22 09Z,   0.30,   4.94,  99.90,   5.19,  -0.05,
05/22 10Z,   0.30,   3.37,  99.90,   3.62,  -0.05,
05/22 11Z,   0.20,   0.96,  99.90,   1.11,  -0.05,
05/22 12Z,   0.30,  -1.69,  99.90,  -1.44,  -0.05,
05/22 13Z,   0.30,  -3.87,  99.90,  -3.62,  -0.05,
05/22 14Z,   0.30,  -5.07,  99.90,  -4.82,  -0.05,
05/22 15Z,   0.30,  -5.14,  99.90,  -4.89,  -0.05,  (min)
05/22 16Z,   0.20,  -4.06,  99.90,  -3.91,  -0.05,
05/22 17Z,   0.20,  -2.06,  99.90,  -1.91,  -0.05,
05/22 18Z,   0.20,   0.35,  99.90,   0.50,  -0.05,
05/22 19Z,   0.20,   2.49,  99.90,   2.64,  -0.05,
05/22 20Z,   0.20,   3.88,  99.90,   4.03,  -0.05,
05/22 21Z,   0.20,   4.32,  99.90,   4.47,  -0.05,  (max)
05/22 22Z,   0.20,   3.71,  99.90,   3.86,  -0.05,
05/22 23Z,   0.20,   2.12,  99.90,   2.27,  -0.05,
05/23 00Z,   0.20,  -0.06,  99.90,   0.09,  -0.05,
05/23 01Z,   0.20,  -2.15,  99.90,  -2.00,  -0.05,
05/23 02Z,   0.20,  -3.56,  99.90,  -3.41,  -0.05,
05/23 03Z,   0.20,  -3.97,  99.90,  -3.82,  -0.05,  (min)
05/23 04Z,   0.20,  -3.32,  99.90,  -3.17,  -0.05,
05/23 05Z,   0.10,  -1.69,  99.90,  -1.64,  -0.05,
05/23 06Z,   0.10,   0.53,  99.90,   0.58,  -0.05,
05/23 07Z,   0.10,   2.71,  99.90,   2.76,  -0.05,
05/23 08Z,   0.10,   4.27,  99.90,   4.32,  -0.05,
05/23 09Z,   0.10,   4.93,  99.90,   4.98,  -0.05,  (max)
05/23 10Z,   0.10,   4.55,  99.90,   4.60,  -0.05,
05/23 11Z,   0.10,   3.14,  99.90,   3.19,  -0.05,
05/23 12Z,   0.20,   0.92,  99.90,   1.07,  -0.05,
05/23 13Z,   0.20,  -1.52,  99.90,  -1.37,  -0.05,
05/23 14Z,   0.20,  -3.53,  99.90,  -3.38,  -0.05,
05/23 15Z,   0.20,  -4.67,  99.90,  -4.52,  -0.05,
05/23 16Z,   0.20,  -4.76,  99.90,  -4.61,  -0.05,  (min)
05/23 17Z,   0.20,  -3.76,  99.90,  -3.61,  -0.05,
05/23 18Z,   0.20,  -1.85,  99.90,  -1.70,  -0.05,
05/23 19Z,   0.10,   0.44,  99.90,   0.49,  -0.05,
05/23 20Z,   0.10,   2.48,  99.90,   2.53,  -0.05,
05/23 21Z,   0.10,   3.84,  99.90,   3.89,  -0.05,
05/23 22Z,   0.10,   4.31,  99.90,   4.36,  -0.05,  (max)
05/23 23Z,   0.10,   3.75,  99.90,   3.80,  -0.05,
05/24 00Z,   0.20,   2.22,  99.90,   2.37,  -0.05,
05/24 01Z,   0.20,   0.11,  99.90,   0.26,  -0.05,
05/24 02Z,   0.20,  -1.93,  99.90,  -1.78,  -0.05,
05/24 03Z,   0.20,  -3.35,  99.90,  -3.20,  -0.05,
05/24 04Z,   0.20,  -3.87,  99.90,  -3.72,  -0.05,  (min)
05/24 05Z,   0.20,  -3.37,  99.90,  -3.22,  -0.05,
05/24 06Z,   0.20,  -1.90,  99.90,  -1.75,  -0.05,
05/24 07Z,   0.20,   0.17,  99.90,   0.32,  -0.05,
05/24 08Z,   0.20,   2.24,  99.90,   2.39,  -0.05,
05/24 09Z,   0.20,   3.77,  99.90,   3.92,  -0.05,
05/24 10Z,   0.30,   4.48,  99.90,   4.73,  -0.05,  (max)
05/24 11Z,   0.30,   4.22,  99.90,   4.47,  -0.05,
05/24 12Z,   0.30,   2.96,  99.90,   3.21,  -0.05,
05/24 13Z,   0.30,   0.91,  99.90,   1.16,  -0.05,
05/24 14Z,   0.30,  -1.37,  99.90,  -1.12,  -0.05,
05/24 15Z,   0.30,  -3.25,  99.90,  -3.00,  -0.05,
05/24 16Z,   0.30,  -4.34,  99.90,  -4.09,  -0.05,
05/24 17Z,   0.20,  -4.44,  99.90,  -4.29,  -0.05,  (min)
05/24 18Z,   0.20,  -3.47,  99.90,  -3.32,  -0.05,
05/24 19Z,  99.90,  -1.62,  99.90,  99.90,  -0.05,
05/24 20Z,  99.90,   0.60,  99.90,  99.90,  -0.05,
05/24 21Z,  99.90,   2.58,  99.90,  99.90,  -0.05,
05/24 22Z,  99.90,   3.91,  99.90,  99.90,  -0.05,
05/24 23Z,  99.90,   4.38,  99.90,  99.90,  -0.05,
05/25 00Z,  99.90,   3.83,  99.90,  99.90,  -0.05,