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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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 : 05/21/2025 21:22:56 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 06Z,   0.60,  -6.41,  -6.00,  99.90,  -0.19,
05/20 07Z,   0.70,  -4.54,  -4.15,  99.90,  -0.31,
05/20 08Z,   0.70,  -3.18,  -2.80,  99.90,  -0.32,
05/20 09Z,   0.70,  -2.71,  -2.18,  99.90,  -0.17,  (max)
05/20 10Z,   0.70,  -3.19,  -2.63,  99.90,  -0.14,
05/20 11Z,   0.70,  -4.49,  -3.86,  99.90,  -0.07,
05/20 12Z,   0.70,  -6.40,  -5.74,  99.90,  -0.04,
05/20 13Z,   0.70,  -8.55,  -7.83,  99.90,   0.02,
05/20 14Z,   0.70, -10.36,  -9.55,  99.90,   0.11,
05/20 15Z,   0.80, -11.32, -10.39,  99.90,   0.13,
05/20 16Z,   0.80, -11.24, -10.40,  99.90,   0.04,  (min)
05/20 17Z,   0.90, -10.25,  -9.44,  99.90,  -0.09,
05/20 18Z,   1.00,  -8.57,  -7.88,  99.90,  -0.31,
05/20 19Z,   1.00,  -6.55,  -5.86,  99.90,  -0.31,
05/20 20Z,   1.10,  -4.71,  -4.06,  99.90,  -0.45,
05/20 21Z,   1.10,  -3.56,  -2.94,  99.90,  -0.48,
05/20 22Z,   1.10,  -3.32,  -2.62,  99.90,  -0.40,  (max)
05/20 23Z,   1.00,  -3.95,  -3.19,  99.90,  -0.24,
05/21 00Z,   1.00,  -5.32,  -4.58,  99.90,  -0.26,
05/21 01Z,   1.00,  -7.18,  -6.50,  99.90,  -0.32,
05/21 02Z,   1.00,  -9.02,  -8.34,  99.90,  -0.32,
05/21 03Z,   1.00, -10.26,  -9.49,  99.90,  -0.23,
05/21 04Z,   1.00, -10.54,  -9.88,  99.90,  -0.34,  (min)
05/21 05Z,   1.00,  -9.86,  -9.32,  99.90,  -0.46,
05/21 06Z,   0.80,  -8.42,  -7.99,  99.90,  -0.37,
05/21 07Z,   0.80,  -6.49,  -6.07,  99.90,  -0.38,
05/21 08Z,   0.80,  -4.56,  -4.18,  99.90,  -0.42,
05/21 09Z,   0.70,  -3.17,  -2.78,  99.90,  -0.31,
05/21 10Z,   0.70,  -2.71,  -2.24,  99.90,  -0.23,  (max)
05/21 11Z,   0.70,  -3.22,  -2.80,  99.90,  -0.28,
05/21 12Z,   0.60,  -4.57,  -4.17,  99.90,  -0.20,
05/21 13Z,   0.60,  -6.55,  -6.15,  99.90,  -0.20,
05/21 14Z,   0.60,  -8.75,  -8.29,  99.90,  -0.14,
05/21 15Z,   0.60, -10.56, -10.07,  99.90,  -0.11,
05/21 16Z,   0.60, -11.45, -10.96,  99.90,  -0.11,  (min)
05/21 17Z,   0.60, -11.28, -10.79,  99.90,  -0.11,
05/21 18Z,   0.60, -10.16,  -9.71,  99.90,  -0.15,
05/21 19Z,   0.60,  -8.32,  -7.92,  99.90,  -0.20,
05/21 20Z,   0.70,  -6.14,  -5.64,  99.90,  -0.20,
05/21 21Z,   0.70,  -4.22,  -3.82,  99.90,  -0.30,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 22Z,   0.70,  -3.06,  99.90,  -2.65,  -0.29,
05/21 23Z,   0.60,  -2.88,  99.90,  -2.57,  -0.28,  (max)
05/22 00Z,   0.60,  -3.64,  99.90,  -3.31,  -0.27,
05/22 01Z,   0.60,  -5.20,  99.90,  -4.86,  -0.26,
05/22 02Z,   0.60,  -7.27,  99.90,  -6.92,  -0.25,
05/22 03Z,   0.60,  -9.28,  99.90,  -8.92,  -0.24,
05/22 04Z,   0.50, -10.62,  99.90, -10.35,  -0.23,
05/22 05Z,   0.50, -10.95,  99.90, -10.67,  -0.22,  (min)
05/22 06Z,   0.50, -10.27,  99.90,  -9.98,  -0.21,
05/22 07Z,   0.50,  -8.75,  99.90,  -8.44,  -0.20,
05/22 08Z,   0.50,  -6.69,  99.90,  -6.37,  -0.18,
05/22 09Z,   0.50,  -4.62,  99.90,  -4.29,  -0.17,
05/22 10Z,   0.50,  -3.15,  99.90,  -2.83,  -0.17,
05/22 11Z,   0.50,  -2.65,  99.90,  -2.32,  -0.17,  (max)
05/22 12Z,   0.60,  -3.15,  99.90,  -2.73,  -0.17,
05/22 13Z,   0.70,  -4.55,  99.90,  -4.03,  -0.17,
05/22 14Z,   0.70,  -6.63,  99.90,  -6.10,  -0.17,
05/22 15Z,   0.80,  -8.92,  99.90,  -8.29,  -0.17,
05/22 16Z,   0.80, -10.76,  99.90, -10.13,  -0.17,
05/22 17Z,   0.70, -11.62,  99.90, -11.09,  -0.17,  (min)
05/22 18Z,   0.80, -11.37,  99.90, -10.74,  -0.17,
05/22 19Z,   0.80, -10.09,  99.90,  -9.46,  -0.17,
05/22 20Z,   0.90,  -8.03,  99.90,  -7.31,  -0.17,
05/22 21Z,   1.00,  -5.67,  99.90,  -4.84,  -0.17,
05/22 22Z,   1.10,  -3.63,  99.90,  -2.70,  -0.17,
05/22 23Z,   1.20,  -2.46,  99.90,  -1.43,  -0.17,
05/23 00Z,   1.30,  -2.35,  99.90,  -1.22,  -0.17,  (max)
05/23 01Z,   1.40,  -3.26,  99.90,  -2.04,  -0.17,
05/23 02Z,   1.50,  -5.06,  99.90,  -3.73,  -0.17,
05/23 03Z,   1.60,  -7.39,  99.90,  -5.96,  -0.17,
05/23 04Z,   1.70,  -9.63,  99.90,  -8.10,  -0.17,
05/23 05Z,   1.80, -11.12,  99.90,  -9.49,  -0.17,
05/23 06Z,   1.70, -11.52,  99.90,  -9.99,  -0.17,  (min)
05/23 07Z,   1.60, -10.81,  99.90,  -9.38,  -0.17,
05/23 08Z,   1.50,  -9.16,  99.90,  -7.83,  -0.17,
05/23 09Z,   1.50,  -6.91,  99.90,  -5.58,  -0.17,
05/23 10Z,   1.40,  -4.67,  99.90,  -3.45,  -0.17,
05/23 11Z,   1.30,  -3.09,  99.90,  -1.96,  -0.17,
05/23 12Z,   1.10,  -2.52,  99.90,  -1.59,  -0.17,  (max)
05/23 13Z,   1.00,  -3.02,  99.90,  -2.19,  -0.17,
05/23 14Z,   0.90,  -4.49,  99.90,  -3.77,  -0.17,
05/23 15Z,   0.80,  -6.70,  99.90,  -6.07,  -0.17,
05/23 16Z,   0.70,  -9.10,  99.90,  -8.57,  -0.17,
05/23 17Z,   0.60, -10.98,  99.90, -10.55,  -0.17,
05/23 18Z,   0.50, -11.82,  99.90, -11.49,  -0.17,  (min)
05/23 19Z,   0.40, -11.45,  99.90, -11.23,  -0.17,
05/23 20Z,   0.40,  -9.98,  99.90,  -9.76,  -0.17,
05/23 21Z,   0.30,  -7.69,  99.90,  -7.56,  -0.17,
05/23 22Z,   0.30,  -5.11,  99.90,  -4.99,  -0.17,
05/23 23Z,   0.30,  -2.97,  99.90,  -2.84,  -0.17,
05/24 00Z,   0.30,  -1.80,  99.90,  -1.67,  -0.17,
05/24 01Z,   0.30,  -1.78,  99.90,  -1.66,  -0.17,  (max)
05/24 02Z,   0.30,  -2.90,  99.90,  -2.77,  -0.17,
05/24 03Z,   0.20,  -4.98,  99.90,  -4.95,  -0.17,
05/24 04Z,   0.20,  -7.60,  99.90,  -7.58,  -0.17,
05/24 05Z,   0.20, -10.08,  99.90, -10.05,  -0.17,
05/24 06Z,   0.20, -11.71,  99.90, -11.69,  -0.17,
05/24 07Z,   0.20, -12.16,  99.90, -12.13,  -0.17,  (min)
05/24 08Z,   0.20, -11.38,  99.90, -11.35,  -0.17,
05/24 09Z,   0.20,  -9.55,  99.90,  -9.52,  -0.17,
05/24 10Z,   0.20,  -7.08,  99.90,  -7.06,  -0.17,
05/24 11Z,   0.20,  -4.67,  99.90,  -4.64,  -0.17,
05/24 12Z,   0.20,  -2.97,  99.90,  -2.94,  -0.17,
05/24 13Z,   0.20,  -2.35,  99.90,  -2.32,  -0.17,  (max)
05/24 14Z,   0.20,  -2.87,  99.90,  -2.84,  -0.17,
05/24 15Z,   0.10,  -4.45,  99.90,  -4.52,  -0.17,
05/24 16Z,   0.10,  -6.80,  99.90,  -6.87,  -0.17,
05/24 17Z,   0.10,  -9.31,  99.90,  -9.38,  -0.17,
05/24 18Z,   0.10, -11.22,  99.90, -11.30,  -0.17,
05/24 19Z,   0.10, -12.01,  99.90, -12.08,  -0.17,  (min)
05/24 20Z,   0.20, -11.50,  99.90, -11.47,  -0.17,
05/24 21Z,   0.20,  -9.81,  99.90,  -9.78,  -0.17,
05/24 22Z,   0.20,  -7.27,  99.90,  -7.24,  -0.17,
05/24 23Z,   0.20,  -4.51,  99.90,  -4.48,  -0.17,
05/25 00Z,   0.20,  -2.29,  99.90,  -2.27,  -0.17,
05/25 01Z,   0.20,  -1.16,  99.90,  -1.13,  -0.17,  (max)
05/25 02Z,   0.20,  -1.29,  99.90,  -1.26,  -0.17,
05/25 03Z,   0.10,  -2.64,  99.90,  -2.71,  -0.17,
05/25 04Z,   0.10,  -5.01,  99.90,  -5.09,  -0.17,
05/25 05Z,   0.10,  -7.93,  99.90,  -8.00,  -0.17,
05/25 06Z,   0.10, -10.60,  99.90, -10.67,  -0.17,
05/25 07Z,   0.10, -12.33,  99.90, -12.40,  -0.17,
05/25 08Z,   0.10, -12.75,  99.90, -12.83,  -0.17,  (min)
05/25 09Z,   0.10, -11.85,  99.90, -11.93,  -0.17,
05/25 10Z,   0.10,  -9.82,  99.90,  -9.89,  -0.17,
05/25 11Z,   0.10,  -7.15,  99.90,  -7.22,  -0.17,
05/25 12Z,   0.10,  -4.58,  99.90,  -4.65,  -0.17,
05/25 13Z,  99.90,  -2.80,  99.90,  99.90,  -0.17,
05/25 14Z,  99.90,  -2.18,  99.90,  99.90,  -0.17,
05/25 15Z,  99.90,  -2.76,  99.90,  99.90,  -0.17,
05/25 16Z,  99.90,  -4.46,  99.90,  99.90,  -0.17,
05/25 17Z,  99.90,  -6.96,  99.90,  99.90,  -0.17,
05/25 18Z,  99.90,  -9.55,  99.90,  99.90,  -0.17,