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 : 08/11/2026 23:22:58 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 06Z,   0.00,   1.41,   1.54,  99.90,   0.13,
08/10 07Z,   0.00,   2.65,   2.90,  99.90,   0.25,
08/10 08Z,   0.00,   3.84,   4.08,  99.90,   0.24,
08/10 09Z,   0.00,   4.68,   4.80,  99.90,   0.12,
08/10 10Z,   0.00,   5.04,   5.09,  99.90,   0.05,  (max)
08/10 11Z,   0.00,   4.86,   4.84,  99.90,  -0.02,
08/10 12Z,   0.00,   4.12,   4.05,  99.90,  -0.07,
08/10 13Z,   0.00,   2.94,   2.79,  99.90,  -0.15,
08/10 14Z,   0.00,   1.56,   1.39,  99.90,  -0.17,
08/10 15Z,   0.00,   0.33,   0.20,  99.90,  -0.13,
08/10 16Z,   0.00,  -0.37,  -0.54,  99.90,  -0.17,  (min)
08/10 17Z,   0.00,  -0.25,  -0.31,  99.90,  -0.06,
08/10 18Z,   0.00,   0.77,   0.96,  99.90,   0.19,
08/10 19Z,   0.00,   2.40,   2.69,  99.90,   0.29,
08/10 20Z,   0.00,   4.11,   4.50,  99.90,   0.39,
08/10 21Z,   0.00,   5.48,   5.72,  99.90,   0.24,
08/10 22Z,   0.00,   6.30,   6.41,  99.90,   0.11,
08/10 23Z,   0.00,   6.53,   6.50,  99.90,  -0.03,  (max)
08/11 00Z,   0.00,   6.12,   6.14,  99.90,   0.02,
08/11 01Z,   0.00,   5.12,   4.94,  99.90,  -0.18,
08/11 02Z,   0.00,   3.71,   3.59,  99.90,  -0.12,
08/11 03Z,   0.00,   2.17,   2.16,  99.90,  -0.01,
08/11 04Z,   0.00,   0.87,   0.94,  99.90,   0.07,
08/11 05Z,  -0.10,   0.18,   0.44,  99.90,   0.36,  (min)
08/11 06Z,   0.00,   0.35,   0.49,  99.90,   0.14,
08/11 07Z,   0.00,   1.31,   1.45,  99.90,   0.14,
08/11 08Z,   0.00,   2.67,   2.81,  99.90,   0.14,
08/11 09Z,   0.00,   3.96,   4.24,  99.90,   0.28,
08/11 10Z,   0.00,   4.87,   5.09,  99.90,   0.22,
08/11 11Z,   0.00,   5.28,   5.50,  99.90,   0.22,  (max)
08/11 12Z,   0.10,   5.10,   5.32,  99.90,   0.12,
08/11 13Z,   0.10,   4.32,   4.48,  99.90,   0.06,
08/11 14Z,   0.10,   3.05,   3.22,  99.90,   0.07,
08/11 15Z,   0.10,   1.56,   1.60,  99.90,  -0.06,
08/11 16Z,   0.10,   0.23,   0.18,  99.90,  -0.15,
08/11 17Z,   0.10,  -0.52,  -0.52,  99.90,  -0.10,  (min)
08/11 18Z,   0.30,  -0.36,  -0.27,  99.90,  -0.21,
08/11 19Z,   0.40,   0.74,   1.07,  99.90,  -0.07,
08/11 20Z,   0.40,   2.44,   2.92,  99.90,   0.08,
08/11 21Z,   0.40,   4.20,   4.73,  99.90,   0.13,
08/11 22Z,   0.40,   5.59,   5.92,  99.90,  -0.07,
08/11 23Z,   0.40,   6.43,   6.57,  99.90,  -0.26,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/12 00Z,   0.40,   6.62,  99.90,   6.79,  -0.24,  (max)
08/12 01Z,   0.40,   6.15,  99.90,   6.33,  -0.22,
08/12 02Z,   0.30,   5.04,  99.90,   5.15,  -0.20,
08/12 03Z,   0.30,   3.52,  99.90,   3.64,  -0.18,
08/12 04Z,   0.30,   1.89,  99.90,   2.03,  -0.16,
08/12 05Z,   0.20,   0.56,  99.90,   0.62,  -0.14,
08/12 06Z,   0.20,  -0.07,  99.90,   0.01,  -0.12,  (min)
08/12 07Z,   0.20,   0.23,  99.90,   0.34,  -0.10,
08/12 08Z,   0.30,   1.34,  99.90,   1.56,  -0.08,
08/12 09Z,   0.30,   2.80,  99.90,   3.04,  -0.05,
08/12 10Z,   0.30,   4.15,  99.90,   4.42,  -0.03,
08/12 11Z,   0.30,   5.11,  99.90,   5.39,  -0.01,
08/12 12Z,   0.30,   5.52,  99.90,   5.81,  -0.01,  (max)
08/12 13Z,   0.30,   5.31,  99.90,   5.60,  -0.01,
08/12 14Z,   0.30,   4.46,  99.90,   4.74,  -0.01,
08/12 15Z,   0.30,   3.09,  99.90,   3.38,  -0.01,
08/12 16Z,   0.40,   1.52,  99.90,   1.90,  -0.01,
08/12 17Z,   0.40,   0.15,  99.90,   0.53,  -0.01,
08/12 18Z,   0.40,  -0.58,  99.90,  -0.19,  -0.01,  (min)
08/12 19Z,   0.50,  -0.34,  99.90,   0.14,  -0.01,
08/12 20Z,   0.50,   0.85,  99.90,   1.33,  -0.01,
08/12 21Z,   0.60,   2.59,  99.90,   3.18,  -0.01,
08/12 22Z,   0.60,   4.35,  99.90,   4.94,  -0.01,
08/12 23Z,   0.60,   5.71,  99.90,   6.29,  -0.01,
08/13 00Z,   0.70,   6.48,  99.90,   7.17,  -0.01,  (max)
08/13 01Z,   0.50,   6.59,  99.90,   7.08,  -0.01,
08/13 02Z,   0.50,   6.00,  99.90,   6.49,  -0.01,
08/13 03Z,   0.40,   4.78,  99.90,   5.17,  -0.01,
08/13 04Z,   0.40,   3.17,  99.90,   3.56,  -0.01,
08/13 05Z,   0.40,   1.52,  99.90,   1.90,  -0.01,
08/13 06Z,   0.30,   0.25,  99.90,   0.53,  -0.01,
08/13 07Z,   0.40,  -0.23,  99.90,   0.15,  -0.01,  (min)
08/13 08Z,   0.50,   0.25,  99.90,   0.74,  -0.01,
08/13 09Z,   0.40,   1.50,  99.90,   1.88,  -0.01,
08/13 10Z,   0.40,   3.03,  99.90,   3.42,  -0.01,
08/13 11Z,   0.40,   4.40,  99.90,   4.79,  -0.01,
08/13 12Z,   0.50,   5.34,  99.90,   5.83,  -0.01,
08/13 13Z,   0.50,   5.72,  99.90,   6.21,  -0.01,  (max)
08/13 14Z,   0.50,   5.44,  99.90,   5.93,  -0.01,
08/13 15Z,   0.50,   4.50,  99.90,   4.98,  -0.01,
08/13 16Z,   0.40,   3.06,  99.90,   3.44,  -0.01,
08/13 17Z,   0.40,   1.45,  99.90,   1.84,  -0.01,
08/13 18Z,   0.40,   0.11,  99.90,   0.50,  -0.01,
08/13 19Z,   0.50,  -0.52,  99.90,  -0.04,  -0.01,  (min)
08/13 20Z,   0.60,  -0.17,  99.90,   0.42,  -0.01,
08/13 21Z,   0.60,   1.10,  99.90,   1.69,  -0.01,
08/13 22Z,   0.60,   2.85,  99.90,   3.43,  -0.01,
08/13 23Z,   0.60,   4.52,  99.90,   5.11,  -0.01,
08/14 00Z,   0.60,   5.77,  99.90,   6.36,  -0.01,
08/14 01Z,   0.50,   6.42,  99.90,   6.91,  -0.01,  (max)
08/14 02Z,   0.50,   6.40,  99.90,   6.89,  -0.01,
08/14 03Z,   0.50,   5.68,  99.90,   6.16,  -0.01,
08/14 04Z,   0.50,   4.36,  99.90,   4.84,  -0.01,
08/14 05Z,   0.40,   2.71,  99.90,   3.10,  -0.01,
08/14 06Z,   0.20,   1.12,  99.90,   1.31,  -0.01,
08/14 07Z,   0.20,   0.02,  99.90,   0.20,  -0.01,
08/14 08Z,   0.20,  -0.25,  99.90,  -0.07,  -0.01,  (min)
08/14 09Z,   0.30,   0.43,  99.90,   0.71,  -0.01,
08/14 10Z,   0.40,   1.79,  99.90,   2.17,  -0.01,
08/14 11Z,   0.40,   3.34,  99.90,   3.73,  -0.01,
08/14 12Z,   0.30,   4.67,  99.90,   4.95,  -0.01,
08/14 13Z,   0.20,   5.54,  99.90,   5.73,  -0.01,
08/14 14Z,   0.20,   5.83,  99.90,   6.02,  -0.01,  (max)
08/14 15Z,   0.20,   5.46,  99.90,   5.65,  -0.01,
08/14 16Z,   0.20,   4.44,  99.90,   4.62,  -0.01,
08/14 17Z,   0.30,   2.96,  99.90,   3.25,  -0.01,
08/14 18Z,   0.30,   1.39,  99.90,   1.68,  -0.01,
08/14 19Z,   0.30,   0.16,  99.90,   0.44,  -0.01,
08/14 20Z,   0.30,  -0.33,  99.90,  -0.05,  -0.01,  (min)
08/14 21Z,   0.30,   0.15,  99.90,   0.44,  -0.01,
08/14 22Z,   0.30,   1.46,  99.90,   1.75,  -0.01,
08/14 23Z,   0.30,   3.14,  99.90,   3.43,  -0.01,
08/15 00Z,   0.30,   4.67,  99.90,   4.96,  -0.01,
08/15 01Z,   0.30,   5.75,  99.90,   6.04,  -0.01,
08/15 02Z,   0.30,   6.23,  99.90,   6.52,  -0.01,  (max)
08/15 03Z,   0.20,   6.05,  99.90,   6.23,  -0.01,
08/15 04Z,   0.10,   5.19,  99.90,   5.28,  -0.01,
08/15 05Z,   0.00,   3.82,  99.90,   3.80,  -0.01,
08/15 06Z,  -0.10,   2.22,  99.90,   2.11,  -0.01,
08/15 07Z,   0.00,   0.79,  99.90,   0.78,  -0.01,
08/15 08Z,   0.10,  -0.08,  99.90,   0.00,  -0.01,  (min)
08/15 09Z,   0.20,  -0.10,  99.90,   0.08,  -0.01,
08/15 10Z,   0.20,   0.76,  99.90,   0.94,  -0.01,
08/15 11Z,   0.20,   2.18,  99.90,   2.36,  -0.01,
08/15 12Z,   0.20,   3.68,  99.90,   3.87,  -0.01,
08/15 13Z,   0.20,   4.91,  99.90,   5.09,  -0.01,
08/15 14Z,   0.20,   5.67,  99.90,   5.85,  -0.01,
08/15 15Z,   0.20,   5.85,  99.90,   6.03,  -0.01,  (max)
08/15 16Z,   0.30,   5.37,  99.90,   5.66,  -0.01,
08/15 17Z,   0.30,   4.29,  99.90,   4.58,  -0.01,
08/15 18Z,   0.30,   2.83,  99.90,   3.12,  -0.01,