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
Stations
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 : 04/22/2026 10:22:03 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 18Z,   0.30,  -2.27,  -1.98,  99.90,  -0.01,
04/20 19Z,   0.30,  -2.76,  -2.56,  99.90,  -0.10,  (max)
04/20 20Z,   0.20,  -4.35,  -4.18,  99.90,  -0.03,
04/20 21Z,   0.30,  -6.75,  -6.81,  99.90,  -0.36,
04/20 22Z,   0.30,  -9.31,  -9.40,  99.90,  -0.39,
04/20 23Z,   0.30, -11.23, -11.22,  99.90,  -0.29,
04/21 00Z,   0.30, -11.93, -11.88,  99.90,  -0.25,  (min)
04/21 01Z,   0.30, -11.27, -11.12,  99.90,  -0.15,
04/21 02Z,   0.30,  -9.43,  -9.19,  99.90,  -0.06,
04/21 03Z,   0.30,  -6.81,  -6.41,  99.90,   0.10,
04/21 04Z,   0.30,  -4.05,  -3.51,  99.90,   0.24,
04/21 05Z,   0.30,  -1.91,  -1.56,  99.90,   0.05,
04/21 06Z,   0.40,  -0.92,  -0.70,  99.90,  -0.18,  (max)
04/21 07Z,   0.40,  -1.25,  -1.08,  99.90,  -0.23,
04/21 08Z,   0.40,  -2.80,  -2.68,  99.90,  -0.28,
04/21 09Z,   0.40,  -5.31,  -5.43,  99.90,  -0.52,
04/21 10Z,   0.40,  -8.30,  -8.42,  99.90,  -0.52,
04/21 11Z,   0.40, -11.00, -11.10,  99.90,  -0.50,
04/21 12Z,   0.40, -12.67, -12.67,  99.90,  -0.40,
04/21 13Z,   0.40, -13.02, -12.94,  99.90,  -0.32,  (min)
04/21 14Z,   0.40, -12.05, -12.03,  99.90,  -0.38,
04/21 15Z,   0.40, -10.04,  -9.86,  99.90,  -0.22,
04/21 16Z,   0.40,  -7.44,  -7.13,  99.90,  -0.09,
04/21 17Z,   0.40,  -4.96,  -4.67,  99.90,  -0.11,
04/21 18Z,   0.30,  -3.24,  -2.98,  99.90,  -0.04,
04/21 19Z,   0.30,  -2.62,  -2.41,  99.90,  -0.09,  (max)
04/21 20Z,   0.30,  -3.14,  -2.97,  99.90,  -0.13,
04/21 21Z,   0.30,  -4.68,  -4.63,  99.90,  -0.25,
04/21 22Z,   0.30,  -6.94,  -7.10,  99.90,  -0.46,
04/21 23Z,   0.30,  -9.31,  -9.49,  99.90,  -0.48,
04/22 00Z,   0.10, -11.00, -11.15,  99.90,  -0.25,
04/22 01Z,   0.10, -11.54, -11.63,  99.90,  -0.19,  (min)
04/22 02Z,   0.10, -10.85, -10.76,  99.90,  -0.01,
04/22 03Z,   0.10,  -9.08,  -8.94,  99.90,   0.04,
04/22 04Z,   0.10,  -6.62,  -6.28,  99.90,   0.24,
04/22 05Z,   0.10,  -4.07,  -3.66,  99.90,   0.31,
04/22 06Z,   0.10,  -2.14,  -1.91,  99.90,   0.13,
04/22 07Z,   0.10,  -1.31,  -1.03,  99.90,   0.18,  (max)
04/22 08Z,   0.10,  -1.67,  -1.40,  99.90,   0.17,
04/22 09Z,   0.10,  -3.15,  -2.94,  99.90,   0.11,
04/22 10Z,   0.10,  -5.53,  -5.51,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/22 11Z,   0.20,  -8.32,  99.90,  -8.20,  -0.08,
04/22 12Z,   0.20, -10.78,  99.90, -10.67,  -0.08,
04/22 13Z,   0.20, -12.29,  99.90, -12.18,  -0.08,
04/22 14Z,   0.20, -12.58,  99.90, -12.47,  -0.08,  (min)
04/22 15Z,   0.20, -11.69,  99.90, -11.57,  -0.09,
04/22 16Z,   0.30,  -9.82,  99.90,  -9.61,  -0.09,
04/22 17Z,   0.30,  -7.41,  99.90,  -7.20,  -0.09,
04/22 18Z,   0.30,  -5.12,  99.90,  -4.91,  -0.09,
04/22 19Z,   0.30,  -3.55,  99.90,  -3.34,  -0.09,
04/22 20Z,   0.30,  -2.97,  99.90,  -2.76,  -0.09,  (max)
04/22 21Z,   0.30,  -3.42,  99.90,  -3.21,  -0.09,
04/22 22Z,   0.30,  -4.83,  99.90,  -4.63,  -0.09,
04/22 23Z,   0.30,  -6.93,  99.90,  -6.72,  -0.09,
04/23 00Z,   0.30,  -9.10,  99.90,  -8.89,  -0.09,
04/23 01Z,   0.30, -10.65,  99.90, -10.44,  -0.09,
04/23 02Z,   0.30, -11.15,  99.90, -10.94,  -0.09,  (min)
04/23 03Z,   0.30, -10.54,  99.90, -10.33,  -0.09,
04/23 04Z,   0.30,  -8.95,  99.90,  -8.74,  -0.09,
04/23 05Z,   0.20,  -6.69,  99.90,  -6.59,  -0.09,
04/23 06Z,   0.20,  -4.36,  99.90,  -4.25,  -0.09,
04/23 07Z,   0.30,  -2.59,  99.90,  -2.38,  -0.09,
04/23 08Z,   0.30,  -1.80,  99.90,  -1.59,  -0.09,  (max)
04/23 09Z,   0.30,  -2.08,  99.90,  -1.87,  -0.09,
04/23 10Z,   0.30,  -3.39,  99.90,  -3.18,  -0.09,
04/23 11Z,   0.40,  -5.56,  99.90,  -5.25,  -0.09,
04/23 12Z,   0.40,  -8.13,  99.90,  -7.82,  -0.09,
04/23 13Z,   0.40, -10.40,  99.90, -10.10,  -0.09,
04/23 14Z,   0.40, -11.82,  99.90, -11.51,  -0.09,
04/23 15Z,   0.40, -12.15,  99.90, -11.85,  -0.09,  (min)
04/23 16Z,   0.40, -11.40,  99.90, -11.09,  -0.09,
04/23 17Z,   0.40,  -9.71,  99.90,  -9.40,  -0.09,
04/23 18Z,   0.40,  -7.49,  99.90,  -7.18,  -0.09,
04/23 19Z,   0.40,  -5.36,  99.90,  -5.05,  -0.09,
04/23 20Z,   0.40,  -3.85,  99.90,  -3.54,  -0.09,
04/23 21Z,   0.40,  -3.22,  99.90,  -2.91,  -0.09,  (max)
04/23 22Z,   0.50,  -3.55,  99.90,  -3.14,  -0.09,
04/23 23Z,   0.50,  -4.80,  99.90,  -4.39,  -0.09,
04/24 00Z,   0.40,  -6.74,  99.90,  -6.43,  -0.09,
04/24 01Z,   0.40,  -8.77,  99.90,  -8.46,  -0.09,
04/24 02Z,   0.40, -10.27,  99.90,  -9.96,  -0.09,
04/24 03Z,   0.40, -10.85,  99.90, -10.54,  -0.09,  (min)
04/24 04Z,   0.40, -10.42,  99.90, -10.11,  -0.09,
04/24 05Z,   0.40,  -9.04,  99.90,  -8.73,  -0.09,
04/24 06Z,   0.40,  -6.99,  99.90,  -6.68,  -0.09,
04/24 07Z,   0.40,  -4.82,  99.90,  -4.51,  -0.09,
04/24 08Z,   0.50,  -3.12,  99.90,  -2.71,  -0.09,
04/24 09Z,   0.50,  -2.28,  99.90,  -1.87,  -0.09,  (max)
04/24 10Z,   0.60,  -2.40,  99.90,  -1.89,  -0.09,
04/24 11Z,   0.60,  -3.50,  99.90,  -2.99,  -0.09,
04/24 12Z,   0.60,  -5.46,  99.90,  -4.95,  -0.09,
04/24 13Z,   0.60,  -7.83,  99.90,  -7.33,  -0.09,
04/24 14Z,   0.60,  -9.98,  99.90,  -9.47,  -0.09,
04/24 15Z,   0.60, -11.39,  99.90, -10.88,  -0.09,
04/24 16Z,   0.60, -11.82,  99.90, -11.31,  -0.09,  (min)
04/24 17Z,   0.50, -11.23,  99.90, -10.82,  -0.09,
04/24 18Z,   0.50,  -9.70,  99.90,  -9.29,  -0.09,
04/24 19Z,   0.50,  -7.61,  99.90,  -7.20,  -0.09,
04/24 20Z,   0.50,  -5.55,  99.90,  -5.14,  -0.09,
04/24 21Z,   0.50,  -4.03,  99.90,  -3.62,  -0.09,
04/24 22Z,   0.50,  -3.30,  99.90,  -2.90,  -0.09,  (max)
04/24 23Z,   0.50,  -3.49,  99.90,  -3.08,  -0.09,
04/25 00Z,   0.50,  -4.62,  99.90,  -4.21,  -0.09,
04/25 01Z,   0.50,  -6.45,  99.90,  -6.05,  -0.09,
04/25 02Z,   0.50,  -8.44,  99.90,  -8.03,  -0.09,
04/25 03Z,   0.50,  -9.98,  99.90,  -9.57,  -0.09,
04/25 04Z,   0.50, -10.71,  99.90, -10.30,  -0.09,  (min)
04/25 05Z,   0.40, -10.48,  99.90, -10.18,  -0.09,
04/25 06Z,   0.30,  -9.31,  99.90,  -9.10,  -0.09,
04/25 07Z,   0.30,  -7.41,  99.90,  -7.20,  -0.09,
04/25 08Z,   0.30,  -5.32,  99.90,  -5.11,  -0.09,
04/25 09Z,   0.40,  -3.62,  99.90,  -3.31,  -0.09,
04/25 10Z,   0.40,  -2.66,  99.90,  -2.35,  -0.09,
04/25 11Z,   0.40,  -2.60,  99.90,  -2.29,  -0.09,  (max)
04/25 12Z,   0.40,  -3.50,  99.90,  -3.20,  -0.09,
04/25 13Z,   0.40,  -5.30,  99.90,  -4.99,  -0.09,
04/25 14Z,   0.50,  -7.55,  99.90,  -7.14,  -0.09,
04/25 15Z,   0.50,  -9.64,  99.90,  -9.23,  -0.09,
04/25 16Z,   0.50, -11.09,  99.90, -10.68,  -0.09,
04/25 17Z,   0.60, -11.63,  99.90, -11.12,  -0.09,  (min)
04/25 18Z,   0.60, -11.15,  99.90, -10.64,  -0.09,
04/25 19Z,   0.60,  -9.70,  99.90,  -9.19,  -0.09,
04/25 20Z,   0.60,  -7.65,  99.90,  -7.15,  -0.09,
04/25 21Z,   0.60,  -5.60,  99.90,  -5.09,  -0.09,
04/25 22Z,   0.60,  -4.02,  99.90,  -3.51,  -0.09,
04/25 23Z,   0.60,  -3.19,  99.90,  -2.68,  -0.09,  (max)
04/26 00Z,   0.60,  -3.28,  99.90,  -2.77,  -0.09,
04/26 01Z,  99.90,  -4.36,  99.90,  99.90,  -0.09,
04/26 02Z,  99.90,  -6.19,  99.90,  99.90,  -0.09,
04/26 03Z,  99.90,  -8.22,  99.90,  99.90,  -0.09,
04/26 04Z,  99.90,  -9.86,  99.90,  99.90,  -0.09,
04/26 05Z,  99.90, -10.76,  99.90,  99.90,  -0.09,
04/26 06Z,  99.90, -10.72,  99.90,  99.90,  -0.09,