EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Duck Pier, NC
Cape Hatteras NC
Beaufort, NC
Wilmington, NC
Wrightsville Bch
Holden Beach, NC
Springmaid, SC
Charleston, SC
Ft. Pulaski, GA
Fernandina, FL
Surge List
East Coast
#Charleston, SC : 04/10/2026 14:21:16 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/08 18Z,   1.80,   3.92,   5.23,  99.90,  -0.49,  (max)
04/08 19Z,   1.80,   3.30,   4.97,  99.90,  -0.13,
04/08 20Z,   1.70,   2.45,   4.36,  99.90,   0.21,
04/08 21Z,   1.70,   1.64,   3.54,  99.90,   0.20,
04/08 22Z,   1.70,   1.10,   2.93,  99.90,   0.13,
04/08 23Z,   1.70,   0.99,   2.72,  99.90,   0.03,  (min)
04/09 00Z,   1.70,   1.34,   2.90,  99.90,  -0.14,
04/09 01Z,   1.60,   2.08,   3.45,  99.90,  -0.23,
04/09 02Z,   1.60,   3.03,   4.22,  99.90,  -0.41,
04/09 03Z,   1.60,   3.94,   5.05,  99.90,  -0.49,
04/09 04Z,   1.60,   4.59,   5.70,  99.90,  -0.49,
04/09 05Z,   1.50,   4.89,   6.18,  99.90,  -0.21,
04/09 06Z,   1.30,   4.86,   6.19,  99.90,   0.03,  (max)
04/09 07Z,   1.30,   4.46,   5.89,  99.90,   0.13,
04/09 08Z,   1.20,   3.71,   5.21,  99.90,   0.30,
04/09 09Z,   1.20,   2.77,   4.33,  99.90,   0.36,
04/09 10Z,   1.10,   1.89,   3.40,  99.90,   0.41,
04/09 11Z,   1.10,   1.29,   2.65,  99.90,   0.26,
04/09 12Z,   1.00,   1.11,   2.33,  99.90,   0.22,  (min)
04/09 13Z,   1.00,   1.40,   2.52,  99.90,   0.12,
04/09 14Z,   1.00,   2.09,   3.14,  99.90,   0.05,
04/09 15Z,   1.00,   2.93,   3.93,  99.90,  -0.00,
04/09 16Z,   1.00,   3.65,   4.53,  99.90,  -0.12,
04/09 17Z,   1.00,   4.06,   5.03,  99.90,  -0.03,
04/09 18Z,   1.20,   4.12,   5.17,  99.90,  -0.15,  (max)
04/09 19Z,   1.20,   3.82,   5.06,  99.90,   0.04,
04/09 20Z,   1.20,   3.19,   4.47,  99.90,   0.08,
04/09 21Z,   1.20,   2.38,   3.80,  99.90,   0.22,
04/09 22Z,   1.10,   1.63,   2.98,  99.90,   0.25,
04/09 23Z,   1.20,   1.17,   2.64,  99.90,   0.27,
04/10 00Z,   1.10,   1.11,   2.52,  99.90,   0.31,  (min)
04/10 01Z,   1.10,   1.47,   2.84,  99.90,   0.27,
04/10 02Z,   1.10,   2.19,   3.42,  99.90,   0.13,
04/10 03Z,   1.10,   3.10,   4.29,  99.90,   0.09,
04/10 04Z,   1.10,   3.94,   5.05,  99.90,   0.01,
04/10 05Z,   1.00,   4.53,   5.65,  99.90,   0.12,
04/10 06Z,   1.00,   4.81,   5.93,  99.90,   0.12,
04/10 07Z,   1.00,   4.76,   5.94,  99.90,   0.18,  (max)
04/10 08Z,   1.00,   4.35,   5.62,  99.90,   0.27,
04/10 09Z,   1.00,   3.60,   4.89,  99.90,   0.29,
04/10 10Z,   1.00,   2.68,   4.01,  99.90,   0.33,
04/10 11Z,   0.90,   1.84,   3.06,  99.90,   0.32,
04/10 12Z,   0.90,   1.28,   2.32,  99.90,   0.14,
04/10 13Z,   0.90,   1.14,   2.21,  99.90,   0.17,  (min)
04/10 14Z,   0.90,   1.46,   2.53,  99.90,   0.17,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/10 15Z,   0.80,   2.17,  99.90,   3.12,   0.16,
04/10 16Z,   0.80,   3.01,  99.90,   3.96,   0.15,
04/10 17Z,   0.80,   3.71,  99.90,   4.65,   0.14,
04/10 18Z,   0.80,   4.10,  99.90,   5.03,   0.13,
04/10 19Z,   0.80,   4.15,  99.90,   5.07,   0.12,  (max)
04/10 20Z,   0.80,   3.85,  99.90,   4.76,   0.11,
04/10 21Z,   0.90,   3.22,  99.90,   4.21,   0.10,
04/10 22Z,   0.90,   2.41,  99.90,   3.39,   0.09,
04/10 23Z,   0.90,   1.67,  99.90,   2.64,   0.08,
04/11 00Z,   0.80,   1.20,  99.90,   2.07,   0.06,
04/11 01Z,   0.70,   1.12,  99.90,   1.88,   0.05,  (min)
04/11 02Z,   0.60,   1.46,  99.90,   2.10,   0.04,
04/11 03Z,   0.60,   2.17,  99.90,   2.82,   0.04,
04/11 04Z,   0.60,   3.08,  99.90,   3.72,   0.04,
04/11 05Z,   0.50,   3.92,  99.90,   4.47,   0.04,
04/11 06Z,   0.60,   4.53,  99.90,   5.17,   0.04,
04/11 07Z,   0.60,   4.82,  99.90,   5.46,   0.04,  (max)
04/11 08Z,   0.60,   4.77,  99.90,   5.42,   0.04,
04/11 09Z,   0.50,   4.34,  99.90,   4.89,   0.04,
04/11 10Z,   0.50,   3.55,  99.90,   4.10,   0.04,
04/11 11Z,   0.50,   2.60,  99.90,   3.14,   0.04,
04/11 12Z,   0.40,   1.73,  99.90,   2.17,   0.04,
04/11 13Z,   0.40,   1.15,  99.90,   1.60,   0.04,
04/11 14Z,   0.40,   1.02,  99.90,   1.47,   0.04,  (min)
04/11 15Z,   0.30,   1.40,  99.90,   1.74,   0.04,
04/11 16Z,   0.30,   2.18,  99.90,   2.52,   0.04,
04/11 17Z,   0.40,   3.09,  99.90,   3.53,   0.04,
04/11 18Z,   0.40,   3.84,  99.90,   4.28,   0.04,
04/11 19Z,   0.40,   4.27,  99.90,   4.71,   0.04,
04/11 20Z,   0.50,   4.33,  99.90,   4.88,   0.04,  (max)
04/11 21Z,   0.50,   4.01,  99.90,   4.56,   0.04,
04/11 22Z,   0.50,   3.34,  99.90,   3.89,   0.04,
04/11 23Z,   0.50,   2.48,  99.90,   3.02,   0.04,
04/12 00Z,   0.40,   1.67,  99.90,   2.12,   0.04,
04/12 01Z,   0.40,   1.14,  99.90,   1.58,   0.04,
04/12 02Z,   0.30,   1.00,  99.90,   1.34,   0.04,  (min)
04/12 03Z,   0.30,   1.32,  99.90,   1.67,   0.04,
04/12 04Z,   0.30,   2.07,  99.90,   2.41,   0.04,
04/12 05Z,   0.30,   3.03,  99.90,   3.38,   0.04,
04/12 06Z,   0.30,   3.95,  99.90,   4.29,   0.04,
04/12 07Z,   0.30,   4.60,  99.90,   4.95,   0.04,
04/12 08Z,   0.40,   4.93,  99.90,   5.37,   0.04,  (max)
04/12 09Z,   0.30,   4.87,  99.90,   5.21,   0.04,
04/12 10Z,   0.40,   4.37,  99.90,   4.82,   0.04,
04/12 11Z,   0.40,   3.50,  99.90,   3.94,   0.04,
04/12 12Z,   0.30,   2.45,  99.90,   2.79,   0.04,
04/12 13Z,   0.30,   1.50,  99.90,   1.84,   0.04,
04/12 14Z,   0.30,   0.89,  99.90,   1.23,   0.04,
04/12 15Z,   0.30,   0.79,  99.90,   1.14,   0.04,  (min)
04/12 16Z,   0.30,   1.28,  99.90,   1.62,   0.04,
04/12 17Z,   0.30,   2.20,  99.90,   2.54,   0.04,
04/12 18Z,   0.30,   3.25,  99.90,   3.59,   0.04,
04/12 19Z,   0.30,   4.09,  99.90,   4.44,   0.04,
04/12 20Z,   0.30,   4.57,  99.90,   4.92,   0.04,
04/12 21Z,   0.30,   4.64,  99.90,   4.98,   0.04,  (max)
04/12 22Z,   0.30,   4.27,  99.90,   4.62,   0.04,
04/12 23Z,   0.30,   3.51,  99.90,   3.86,   0.04,
04/13 00Z,   0.40,   2.54,  99.90,   2.98,   0.04,
04/13 01Z,   0.40,   1.61,  99.90,   2.05,   0.04,
04/13 02Z,   0.30,   0.96,  99.90,   1.30,   0.04,
04/13 03Z,   0.30,   0.76,  99.90,   1.10,   0.04,  (min)
04/13 04Z,   0.30,   1.10,  99.90,   1.44,   0.04,
04/13 05Z,   0.30,   1.94,  99.90,   2.28,   0.04,
04/13 06Z,   0.30,   3.02,  99.90,   3.37,   0.04,
04/13 07Z,   0.30,   4.04,  99.90,   4.38,   0.04,
04/13 08Z,   0.30,   4.76,  99.90,   5.10,   0.04,
04/13 09Z,   0.30,   5.09,  99.90,   5.44,   0.04,  (max)
04/13 10Z,   0.40,   4.98,  99.90,   5.43,   0.04,
04/13 11Z,   0.40,   4.38,  99.90,   4.83,   0.04,
04/13 12Z,   0.30,   3.37,  99.90,   3.72,   0.04,
04/13 13Z,   0.30,   2.19,  99.90,   2.53,   0.04,
04/13 14Z,   0.30,   1.15,  99.90,   1.49,   0.04,
04/13 15Z,   0.20,   0.52,  99.90,   0.76,   0.04,
04/13 16Z,   0.20,   0.51,  99.90,   0.76,   0.04,  (min)
04/13 17Z,   0.20,   1.18,  99.90,   1.42,   0.04,
04/13 18Z,   0.20,   2.31,  99.90,   2.56,   0.04,
04/13 19Z,   0.20,   3.53,  99.90,   3.78,   0.04,
04/13 20Z,   0.30,   4.49,  99.90,   4.83,   0.04,
04/13 21Z,   0.40,   5.00,  99.90,   5.45,   0.04,  (max)
04/13 22Z,   0.30,   5.04,  99.90,   5.38,   0.04,
04/13 23Z,   0.40,   4.57,  99.90,   5.02,   0.04,
04/14 00Z,   0.40,   3.67,  99.90,   4.12,   0.04,
04/14 01Z,   0.30,   2.53,  99.90,   2.88,   0.04,
04/14 02Z,   0.30,   1.44,  99.90,   1.79,   0.04,
04/14 03Z,   0.30,   0.68,  99.90,   1.02,   0.04,
04/14 04Z,   0.30,   0.44,  99.90,   0.79,   0.04,  (min)
04/14 05Z,   0.20,   0.86,  99.90,   1.11,   0.04,
04/14 06Z,   0.30,   1.85,  99.90,   2.19,   0.04,