EXTRA-TROPICAL  STORM  SURGE
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Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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Gulf of Alaska
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Block Island, RI
Montauk Point NY
New London, CT
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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
#Lewes, DE : 08/19/2026 14:22:02 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 18Z,   0.50,   4.27,   4.79,  99.90,   0.02,  (max)
08/17 19Z,   0.50,   3.52,   4.11,  99.90,   0.09,
08/17 20Z,   0.50,   2.49,   3.20,  99.90,   0.21,
08/17 21Z,   0.50,   1.43,   2.16,  99.90,   0.23,
08/17 22Z,   0.50,   0.68,   1.41,  99.90,   0.23,
08/17 23Z,   0.60,   0.42,   1.23,  99.90,   0.21,  (min)
08/18 00Z,   0.50,   0.67,   1.47,  99.90,   0.30,
08/18 01Z,   0.50,   1.32,   2.13,  99.90,   0.31,
08/18 02Z,   0.50,   2.20,   2.92,  99.90,   0.22,
08/18 03Z,   0.50,   3.10,   3.82,  99.90,   0.22,
08/18 04Z,   0.50,   3.77,   4.58,  99.90,   0.31,
08/18 05Z,   0.50,   4.04,   4.78,  99.90,   0.24,  (max)
08/18 06Z,   0.50,   3.86,   4.68,  99.90,   0.32,
08/18 07Z,   0.50,   3.29,   4.08,  99.90,   0.29,
08/18 08Z,   0.50,   2.44,   3.34,  99.90,   0.40,
08/18 09Z,   0.60,   1.49,   2.44,  99.90,   0.35,
08/18 10Z,   0.60,   0.72,   1.71,  99.90,   0.39,
08/18 11Z,   0.60,   0.39,   1.31,  99.90,   0.32,  (min)
08/18 12Z,   0.60,   0.56,   1.44,  99.90,   0.28,
08/18 13Z,   0.60,   1.15,   1.93,  99.90,   0.18,
08/18 14Z,   0.60,   2.02,   2.81,  99.90,   0.19,
08/18 15Z,   0.60,   3.01,   3.79,  99.90,   0.18,
08/18 16Z,   0.60,   3.87,   4.59,  99.90,   0.12,
08/18 17Z,   0.60,   4.39,   5.06,  99.90,   0.07,
08/18 18Z,   0.60,   4.45,   5.23,  99.90,   0.18,  (max)
08/18 19Z,   0.60,   4.08,   4.88,  99.90,   0.20,
08/18 20Z,   0.60,   3.35,   4.04,  99.90,   0.09,
08/18 21Z,   0.60,   2.41,   3.23,  99.90,   0.22,
08/18 22Z,   0.60,   1.48,   2.32,  99.90,   0.24,
08/18 23Z,   0.60,   0.86,   1.79,  99.90,   0.33,
08/19 00Z,   0.60,   0.69,   1.53,  99.90,   0.24,  (min)
08/19 01Z,   0.60,   0.94,   1.63,  99.90,   0.09,
08/19 02Z,   0.60,   1.51,   2.22,  99.90,   0.11,
08/19 03Z,   0.60,   2.26,   2.91,  99.90,   0.05,
08/19 04Z,   0.50,   3.01,   3.62,  99.90,   0.11,
08/19 05Z,   0.50,   3.53,   4.14,  99.90,   0.11,
08/19 06Z,   0.60,   3.67,   4.34,  99.90,   0.07,  (max)
08/19 07Z,   0.60,   3.45,   4.15,  99.90,   0.10,
08/19 08Z,   0.60,   2.92,   3.69,  99.90,   0.17,
08/19 09Z,   0.50,   2.17,   2.99,  99.90,   0.32,
08/19 10Z,   0.50,   1.39,   2.16,  99.90,   0.27,
08/19 11Z,   0.50,   0.81,   1.56,  99.90,   0.25,
08/19 12Z,   0.50,   0.63,   1.31,  99.90,   0.18,  (min)
08/19 13Z,   0.50,   0.88,   1.54,  99.90,   0.16,
08/19 14Z,   0.50,   1.47,   2.06,  99.90,   0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/19 15Z,   0.50,   2.28,  99.90,   2.88,   0.10,
08/19 16Z,   0.50,   3.17,  99.90,   3.78,   0.11,
08/19 17Z,   0.50,   3.91,  99.90,   4.53,   0.11,
08/19 18Z,   0.50,   4.31,  99.90,   4.93,   0.12,  (max)
08/19 19Z,   0.50,   4.31,  99.90,   4.93,   0.12,
08/19 20Z,   0.50,   3.92,  99.90,   4.55,   0.13,
08/19 21Z,   0.50,   3.24,  99.90,   3.88,   0.14,
08/19 22Z,   0.50,   2.38,  99.90,   3.03,   0.14,
08/19 23Z,   0.50,   1.57,  99.90,   2.22,   0.15,
08/20 00Z,   0.50,   1.04,  99.90,   1.70,   0.16,
08/20 01Z,   0.40,   0.90,  99.90,   1.46,   0.16,  (min)
08/20 02Z,   0.40,   1.12,  99.90,   1.69,   0.17,
08/20 03Z,   0.40,   1.61,  99.90,   2.18,   0.17,
08/20 04Z,   0.40,   2.26,  99.90,   2.83,   0.17,
08/20 05Z,   0.40,   2.89,  99.90,   3.45,   0.17,
08/20 06Z,   0.40,   3.29,  99.90,   3.86,   0.17,
08/20 07Z,   0.40,   3.37,  99.90,   3.94,   0.17,  (max)
08/20 08Z,   0.40,   3.15,  99.90,   3.71,   0.17,
08/20 09Z,   0.30,   2.67,  99.90,   3.14,   0.17,
08/20 10Z,   0.30,   2.03,  99.90,   2.50,   0.17,
08/20 11Z,   0.30,   1.38,  99.90,   1.85,   0.17,
08/20 12Z,   0.30,   0.93,  99.90,   1.40,   0.17,
08/20 13Z,   0.30,   0.84,  99.90,   1.31,   0.17,  (min)
08/20 14Z,   0.30,   1.12,  99.90,   1.58,   0.17,
08/20 15Z,   0.30,   1.68,  99.90,   2.15,   0.17,
08/20 16Z,   0.30,   2.44,  99.90,   2.91,   0.17,
08/20 17Z,   0.40,   3.26,  99.90,   3.82,   0.17,
08/20 18Z,   0.40,   3.91,  99.90,   4.48,   0.17,
08/20 19Z,   0.40,   4.24,  99.90,   4.81,   0.17,  (max)
08/20 20Z,   0.40,   4.20,  99.90,   4.77,   0.17,
08/20 21Z,   0.40,   3.83,  99.90,   4.40,   0.17,
08/20 22Z,   0.40,   3.20,  99.90,   3.76,   0.17,
08/20 23Z,   0.40,   2.40,  99.90,   2.97,   0.17,
08/21 00Z,   0.50,   1.66,  99.90,   2.32,   0.17,
08/21 01Z,   0.50,   1.17,  99.90,   1.84,   0.17,
08/21 02Z,   0.40,   1.04,  99.90,   1.60,   0.17,  (min)
08/21 03Z,   0.50,   1.22,  99.90,   1.88,   0.17,
08/21 04Z,   0.40,   1.64,  99.90,   2.21,   0.17,
08/21 05Z,   0.30,   2.22,  99.90,   2.69,   0.17,
08/21 06Z,   0.40,   2.77,  99.90,   3.34,   0.17,
08/21 07Z,   0.30,   3.12,  99.90,   3.59,   0.17,
08/21 08Z,   0.40,   3.18,  99.90,   3.75,   0.17,  (max)
08/21 09Z,   0.40,   2.98,  99.90,   3.55,   0.17,
08/21 10Z,   0.30,   2.56,  99.90,   3.03,   0.17,
08/21 11Z,   0.50,   1.99,  99.90,   2.65,   0.17,
08/21 12Z,   0.50,   1.41,  99.90,   2.08,   0.17,
08/21 13Z,   0.50,   1.03,  99.90,   1.70,   0.17,
08/21 14Z,   0.50,   0.98,  99.90,   1.64,   0.17,  (min)
08/21 15Z,   0.40,   1.25,  99.90,   1.82,   0.17,
08/21 16Z,   0.50,   1.79,  99.90,   2.46,   0.17,
08/21 17Z,   0.50,   2.52,  99.90,   3.19,   0.17,
08/21 18Z,   0.50,   3.30,  99.90,   3.96,   0.17,
08/21 19Z,   0.50,   3.91,  99.90,   4.58,   0.17,
08/21 20Z,   0.50,   4.21,  99.90,   4.88,   0.17,  (max)
08/21 21Z,   0.50,   4.17,  99.90,   4.84,   0.17,
08/21 22Z,   0.50,   3.82,  99.90,   4.49,   0.17,
08/21 23Z,   0.50,   3.20,  99.90,   3.86,   0.17,
08/22 00Z,   0.50,   2.42,  99.90,   3.09,   0.17,
08/22 01Z,   0.60,   1.69,  99.90,   2.46,   0.17,
08/22 02Z,   0.70,   1.22,  99.90,   2.09,   0.17,
08/22 03Z,   0.70,   1.07,  99.90,   1.94,   0.17,  (min)
08/22 04Z,   0.70,   1.22,  99.90,   2.09,   0.17,
08/22 05Z,   0.70,   1.63,  99.90,   2.49,   0.17,
08/22 06Z,   0.70,   2.18,  99.90,   3.05,   0.17,
08/22 07Z,   0.70,   2.71,  99.90,   3.58,   0.17,
08/22 08Z,   0.60,   3.05,  99.90,   3.82,   0.17,
08/22 09Z,   0.70,   3.12,  99.90,   3.98,   0.17,  (max)
08/22 10Z,   0.60,   2.93,  99.90,   3.70,   0.17,
08/22 11Z,   0.70,   2.53,  99.90,   3.40,   0.17,
08/22 12Z,   0.70,   1.97,  99.90,   2.84,   0.17,
08/22 13Z,   0.70,   1.41,  99.90,   2.28,   0.17,
08/22 14Z,   0.60,   1.05,  99.90,   1.82,   0.17,
08/22 15Z,   0.60,   1.00,  99.90,   1.77,   0.17,  (min)
08/22 16Z,   0.60,   1.28,  99.90,   2.05,   0.17,
08/22 17Z,   0.60,   1.83,  99.90,   2.60,   0.17,
08/22 18Z,   0.60,   2.57,  99.90,   3.34,   0.17,
08/22 19Z,   0.50,   3.35,  99.90,   4.02,   0.17,
08/22 20Z,   0.60,   3.96,  99.90,   4.73,   0.17,
08/22 21Z,   0.60,   4.26,  99.90,   5.03,   0.17,  (max)
08/22 22Z,   0.60,   4.22,  99.90,   4.99,   0.17,
08/22 23Z,   0.60,   3.85,  99.90,   4.62,   0.17,
08/23 00Z,   0.60,   3.20,  99.90,   3.96,   0.17,
08/23 01Z,   0.60,   2.39,  99.90,   3.15,   0.17,
08/23 02Z,   0.60,   1.64,  99.90,   2.41,   0.17,
08/23 03Z,   0.50,   1.16,  99.90,   1.83,   0.17,
08/23 04Z,   0.50,   1.02,  99.90,   1.68,   0.17,  (min)
08/23 05Z,   0.50,   1.18,  99.90,   1.85,   0.17,
08/23 06Z,   0.60,   1.61,  99.90,   2.38,   0.17,