EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
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Northwest
Alaska
Gulf of Alaska
Status
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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 : 05/16/2026 19:22:50 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 00Z,   0.90,  -1.20,  -0.32,  99.90,  -0.02,
05/15 01Z,   1.00,   0.30,   1.04,  99.90,  -0.26,
05/15 02Z,   1.00,   0.61,   1.33,  99.90,  -0.28,  (max)
05/15 03Z,   1.10,  -0.27,   0.43,  99.90,  -0.40,
05/15 04Z,   1.10,  -2.20,  -1.46,  99.90,  -0.36,
05/15 05Z,   1.20,  -4.85,  -4.29,  99.90,  -0.64,
05/15 06Z,   1.10,  -7.56,  -6.95,  99.90,  -0.49,
05/15 07Z,   1.10,  -9.57,  -8.93,  99.90,  -0.46,
05/15 08Z,   1.10, -10.41,  -9.60,  99.90,  -0.29,  (min)
05/15 09Z,   1.10,  -9.95,  -9.15,  99.90,  -0.30,
05/15 10Z,   1.10,  -8.34,  -7.57,  99.90,  -0.33,
05/15 11Z,   1.10,  -5.94,  -4.99,  99.90,  -0.15,
05/15 12Z,   0.90,  -3.36,  -2.47,  99.90,  -0.01,
05/15 13Z,   0.90,  -1.33,  -0.54,  99.90,  -0.11,
05/15 14Z,   0.90,  -0.35,   0.38,  99.90,  -0.17,  (max)
05/15 15Z,   0.90,  -0.54,   0.06,  99.90,  -0.30,
05/15 16Z,   0.80,  -1.84,  -1.27,  99.90,  -0.23,
05/15 17Z,   0.70,  -4.03,  -3.70,  99.90,  -0.37,
05/15 18Z,   0.60,  -6.58,  -6.36,  99.90,  -0.38,
05/15 19Z,   0.60,  -8.72,  -8.45,  99.90,  -0.33,
05/15 20Z,   0.50,  -9.79,  -9.46,  99.90,  -0.17,  (min)
05/15 21Z,   0.50,  -9.54,  -9.15,  99.90,  -0.11,
05/15 22Z,   0.40,  -8.05,  -7.59,  99.90,   0.06,
05/15 23Z,   0.30,  -5.62,  -5.06,  99.90,   0.26,
05/16 00Z,   0.20,  -2.81,  -2.26,  99.90,   0.35,
05/16 01Z,   0.10,  -0.39,   0.04,  99.90,   0.33,
05/16 02Z,   0.10,   0.99,   1.19,  99.90,   0.10,  (max)
05/16 03Z,   0.10,   1.06,   1.18,  99.90,   0.02,
05/16 04Z,   0.00,  -0.13,  -0.10,  99.90,   0.03,
05/16 05Z,   0.00,  -2.41,  -2.49,  99.90,  -0.08,
05/16 06Z,   0.10,  -5.37,  -5.57,  99.90,  -0.30,
05/16 07Z,   0.10,  -8.25,  -8.41,  99.90,  -0.26,
05/16 08Z,   0.10, -10.27, -10.35,  99.90,  -0.18,
05/16 09Z,   0.10, -10.97, -11.06,  99.90,  -0.19,  (min)
05/16 10Z,   0.10, -10.29, -10.26,  99.90,  -0.07,
05/16 11Z,   0.10,  -8.40,  -8.37,  99.90,  -0.07,
05/16 12Z,   0.10,  -5.75,  -5.55,  99.90,   0.10,
05/16 13Z,   0.10,  -3.03,  -2.69,  99.90,   0.24,
05/16 14Z,   0.10,  -1.01,  -0.83,  99.90,   0.08,
05/16 15Z,   0.00,  -0.12,   0.06,  99.90,   0.18,  (max)
05/16 16Z,   0.00,  -0.47,  -0.28,  99.90,   0.19,
05/16 17Z,   0.00,  -1.98,  -1.93,  99.90,   0.05,
05/16 18Z,   0.00,  -4.36,  -4.33,  99.90,   0.03,
05/16 19Z,   0.00,  -7.01,  -7.04,  99.90,  -0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/16 20Z,   0.00,  -9.10,  99.90,  -9.13,  -0.03,
05/16 21Z,   0.00,  -9.99,  99.90, -10.03,  -0.04,  (min)
05/16 22Z,   0.00,  -9.49,  99.90,  -9.53,  -0.04,
05/16 23Z,   0.00,  -7.71,  99.90,  -7.76,  -0.05,
05/17 00Z,   0.00,  -5.04,  99.90,  -5.09,  -0.05,
05/17 01Z,   0.00,  -2.11,  99.90,  -2.17,  -0.06,
05/17 02Z,   0.00,   0.27,  99.90,   0.20,  -0.06,
05/17 03Z,  -0.10,   1.48,  99.90,   1.31,  -0.07,  (max)
05/17 04Z,  -0.10,   1.31,  99.90,   1.13,  -0.08,
05/17 05Z,  -0.20,  -0.17,  99.90,  -0.45,  -0.08,
05/17 06Z,  -0.20,  -2.74,  99.90,  -3.03,  -0.09,
05/17 07Z,  -0.20,  -5.91,  99.90,  -6.20,  -0.09,
05/17 08Z,  -0.20,  -8.85,  99.90,  -9.14,  -0.09,
05/17 09Z,  -0.30, -10.79,  99.90, -11.18,  -0.09,
05/17 10Z,  -0.30, -11.32,  99.90, -11.71,  -0.09,  (min)
05/17 11Z,  -0.30, -10.40,  99.90, -10.80,  -0.09,
05/17 12Z,  -0.30,  -8.29,  99.90,  -8.68,  -0.09,
05/17 13Z,  -0.30,  -5.48,  99.90,  -5.87,  -0.09,
05/17 14Z,  -0.30,  -2.73,  99.90,  -3.12,  -0.09,
05/17 15Z,  -0.40,  -0.77,  99.90,  -1.26,  -0.09,
05/17 16Z,  -0.50,  -0.02,  99.90,  -0.61,  -0.09,  (max)
05/17 17Z,  -0.50,  -0.53,  99.90,  -1.12,  -0.09,
05/17 18Z,  -0.50,  -2.20,  99.90,  -2.79,  -0.09,
05/17 19Z,  -0.50,  -4.71,  99.90,  -5.30,  -0.09,
05/17 20Z,  -0.50,  -7.37,  99.90,  -7.96,  -0.09,
05/17 21Z,  -0.50,  -9.34,  99.90,  -9.93,  -0.09,
05/17 22Z,  -0.40, -10.04,  99.90, -10.53,  -0.09,  (min)
05/17 23Z,  -0.30,  -9.31,  99.90,  -9.70,  -0.09,
05/18 00Z,  -0.30,  -7.32,  99.90,  -7.71,  -0.09,
05/18 01Z,  -0.30,  -4.51,  99.90,  -4.90,  -0.09,
05/18 02Z,  -0.30,  -1.57,  99.90,  -1.96,  -0.09,
05/18 03Z,  -0.30,   0.69,  99.90,   0.30,  -0.09,
05/18 04Z,  -0.30,   1.70,  99.90,   1.31,  -0.09,  (max)
05/18 05Z,  -0.30,   1.32,  99.90,   0.93,  -0.09,
05/18 06Z,  -0.40,  -0.37,  99.90,  -0.86,  -0.09,
05/18 07Z,  -0.40,  -3.13,  99.90,  -3.62,  -0.09,
05/18 08Z,  -0.40,  -6.37,  99.90,  -6.86,  -0.09,
05/18 09Z,  -0.30,  -9.27,  99.90,  -9.66,  -0.09,
05/18 10Z,  -0.20, -11.06,  99.90, -11.35,  -0.09,
05/18 11Z,  -0.10, -11.40,  99.90, -11.59,  -0.09,  (min)
05/18 12Z,   0.00, -10.31,  99.90, -10.40,  -0.09,
05/18 13Z,   0.00,  -8.06,  99.90,  -8.16,  -0.09,
05/18 14Z,   0.00,  -5.20,  99.90,  -5.29,  -0.09,
05/18 15Z,   0.00,  -2.50,  99.90,  -2.59,  -0.09,
05/18 16Z,   0.00,  -0.67,  99.90,  -0.76,  -0.09,
05/18 17Z,   0.00,  -0.05,  99.90,  -0.14,  -0.09,  (max)
05/18 18Z,   0.00,  -0.69,  99.90,  -0.78,  -0.09,
05/18 19Z,   0.00,  -2.47,  99.90,  -2.56,  -0.09,
05/18 20Z,   0.00,  -5.01,  99.90,  -5.10,  -0.09,
05/18 21Z,   0.00,  -7.61,  99.90,  -7.70,  -0.09,
05/18 22Z,   0.00,  -9.42,  99.90,  -9.51,  -0.09,
05/18 23Z,   0.00,  -9.93,  99.90, -10.02,  -0.09,  (min)
05/19 00Z,   0.00,  -9.04,  99.90,  -9.13,  -0.09,
05/19 01Z,   0.00,  -6.96,  99.90,  -7.05,  -0.09,
05/19 02Z,   0.00,  -4.12,  99.90,  -4.21,  -0.09,
05/19 03Z,   0.00,  -1.27,  99.90,  -1.36,  -0.09,
05/19 04Z,  -0.10,   0.83,  99.90,   0.64,  -0.09,
05/19 05Z,  -0.10,   1.66,  99.90,   1.47,  -0.09,  (max)
05/19 06Z,  -0.20,   1.13,  99.90,   0.84,  -0.09,
05/19 07Z,  -0.10,  -0.68,  99.90,  -0.87,  -0.09,
05/19 08Z,  -0.10,  -3.48,  99.90,  -3.67,  -0.09,
05/19 09Z,  -0.10,  -6.69,  99.90,  -6.88,  -0.09,
05/19 10Z,  -0.10,  -9.44,  99.90,  -9.63,  -0.09,
05/19 11Z,  -0.10, -11.06,  99.90, -11.25,  -0.09,
05/19 12Z,   0.00, -11.25,  99.90, -11.34,  -0.09,  (min)
05/19 13Z,   0.00, -10.06,  99.90, -10.15,  -0.09,
05/19 14Z,   0.00,  -7.78,  99.90,  -7.87,  -0.09,
05/19 15Z,  -0.10,  -4.96,  99.90,  -5.15,  -0.09,
05/19 16Z,  -0.10,  -2.39,  99.90,  -2.58,  -0.09,
05/19 17Z,  -0.10,  -0.70,  99.90,  -0.89,  -0.09,
05/19 18Z,  -0.10,  -0.19,  99.90,  -0.38,  -0.09,  (max)
05/19 19Z,  -0.10,  -0.90,  99.90,  -1.09,  -0.09,
05/19 20Z,  -0.10,  -2.70,  99.90,  -2.89,  -0.09,
05/19 21Z,  -0.10,  -5.21,  99.90,  -5.40,  -0.09,
05/19 22Z,  -0.10,  -7.68,  99.90,  -7.87,  -0.09,
05/19 23Z,  -0.10,  -9.33,  99.90,  -9.52,  -0.09,
05/20 00Z,  -0.10,  -9.71,  99.90,  -9.90,  -0.09,  (min)
05/20 01Z,  -0.20,  -8.76,  99.90,  -9.05,  -0.09,
05/20 02Z,  -0.20,  -6.68,  99.90,  -6.97,  -0.09,
05/20 03Z,  -0.20,  -3.93,  99.90,  -4.22,  -0.09,
05/20 04Z,  -0.30,  -1.23,  99.90,  -1.62,  -0.09,
05/20 05Z,  -0.30,   0.69,  99.90,   0.30,  -0.09,
05/20 06Z,  -0.30,   1.39,  99.90,   1.00,  -0.09,  (max)
05/20 07Z,  -0.30,   0.80,  99.90,   0.41,  -0.09,
05/20 08Z,  -0.20,  -1.01,  99.90,  -1.30,  -0.09,
05/20 09Z,  -0.20,  -3.76,  99.90,  -4.05,  -0.09,
05/20 10Z,  -0.10,  -6.82,  99.90,  -7.01,  -0.09,
05/20 11Z,  -0.10,  -9.39,  99.90,  -9.58,  -0.09,
05/20 12Z,  -0.10, -10.84,  99.90, -11.03,  -0.09,