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 : 10/18/2026 03:21:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 12Z,   0.40,   2.32,   2.71,  99.90,  -0.01,
10/16 13Z,   0.40,   3.35,   3.86,  99.90,   0.11,
10/16 14Z,   0.40,   4.35,   4.83,  99.90,   0.08,
10/16 15Z,   0.40,   5.09,   5.46,  99.90,  -0.03,
10/16 16Z,   0.40,   5.49,   5.83,  99.90,  -0.06,
10/16 17Z,   0.40,   5.50,   5.86,  99.90,  -0.04,  (max)
10/16 18Z,   0.50,   5.11,   5.51,  99.90,  -0.10,
10/16 19Z,   0.50,   4.33,   4.77,  99.90,  -0.06,
10/16 20Z,   0.50,   3.34,   3.81,  99.90,  -0.03,
10/16 21Z,   0.50,   2.40,   2.76,  99.90,  -0.14,
10/16 22Z,   0.50,   1.74,   2.19,  99.90,  -0.05,
10/16 23Z,   0.60,   1.53,   2.08,  99.90,  -0.05,  (min)
10/17 00Z,   0.30,   1.82,   2.46,  99.90,   0.34,
10/17 01Z,   0.30,   2.55,   3.10,  99.90,   0.25,
10/17 02Z,   0.30,   3.43,   3.92,  99.90,   0.19,
10/17 03Z,   0.30,   4.17,   4.55,  99.90,   0.08,
10/17 04Z,   0.30,   4.59,   5.00,  99.90,   0.11,
10/17 05Z,   0.20,   4.64,   5.02,  99.90,   0.18,  (max)
10/17 06Z,   0.10,   4.31,   4.63,  99.90,   0.22,
10/17 07Z,   0.10,   3.63,   4.06,  99.90,   0.33,
10/17 08Z,   0.10,   2.77,   3.32,  99.90,   0.45,
10/17 09Z,   0.10,   1.98,   2.49,  99.90,   0.41,
10/17 10Z,   0.00,   1.50,   1.88,  99.90,   0.38,
10/17 11Z,   0.00,   1.43,   1.63,  99.90,   0.20,  (min)
10/17 12Z,   0.00,   1.81,   1.84,  99.90,   0.03,
10/17 13Z,   0.00,   2.57,   2.39,  99.90,  -0.18,
10/17 14Z,   0.00,   3.53,   3.43,  99.90,  -0.10,
10/17 15Z,  -0.10,   4.41,   4.49,  99.90,   0.18,
10/17 16Z,  -0.10,   5.04,   5.21,  99.90,   0.27,
10/17 17Z,  -0.20,   5.36,   5.46,  99.90,   0.30,  (max)
10/17 18Z,  -0.10,   5.32,   5.15,  99.90,  -0.07,
10/17 19Z,  -0.10,   4.90,   4.77,  99.90,  -0.03,
10/17 20Z,  -0.10,   4.12,   4.00,  99.90,  -0.02,
10/17 21Z,   0.00,   3.18,   3.21,  99.90,   0.03,
10/17 22Z,   0.10,   2.34,   2.75,  99.90,   0.31,
10/17 23Z,   0.40,   1.79,   2.31,  99.90,   0.12,
10/18 00Z,   0.50,   1.66,   2.29,  99.90,   0.13,  (min)
10/18 01Z,   0.50,   2.01,   2.47,  99.90,  -0.04,
10/18 02Z,   0.40,   2.72,   3.09,  99.90,  -0.03,
10/18 03Z,   0.60,   3.54,   4.01,  99.90,  -0.13,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/18 04Z,   0.70,   4.19,  99.90,   4.79,  -0.10,
10/18 05Z,   0.90,   4.54,  99.90,   5.37,  -0.07,
10/18 06Z,   1.00,   4.55,  99.90,   5.50,  -0.05,  (max)
10/18 07Z,   1.10,   4.19,  99.90,   5.27,  -0.02,
10/18 08Z,   1.10,   3.51,  99.90,   4.62,   0.01,
10/18 09Z,   1.10,   2.68,  99.90,   3.82,   0.04,
10/18 10Z,   1.00,   1.97,  99.90,   3.04,   0.06,
10/18 11Z,   1.00,   1.57,  99.90,   2.66,   0.09,  (min)
10/18 12Z,   1.00,   1.55,  99.90,   2.67,   0.12,
10/18 13Z,   1.00,   1.95,  99.90,   3.10,   0.14,
10/18 14Z,   1.10,   2.70,  99.90,   3.97,   0.17,
10/18 15Z,   1.20,   3.61,  99.90,   5.00,   0.20,
10/18 16Z,   1.20,   4.43,  99.90,   5.82,   0.20,
10/18 17Z,   1.00,   5.01,  99.90,   6.20,   0.20,
10/18 18Z,   1.10,   5.29,  99.90,   6.59,   0.20,
10/18 19Z,   1.20,   5.23,  99.90,   6.63,   0.20,  (max)
10/18 20Z,   1.20,   4.78,  99.90,   6.17,   0.20,
10/18 21Z,   1.30,   3.98,  99.90,   5.48,   0.20,
10/18 22Z,   1.30,   3.06,  99.90,   4.56,   0.20,
10/18 23Z,   1.30,   2.26,  99.90,   3.75,   0.20,
10/19 00Z,   1.20,   1.76,  99.90,   3.15,   0.20,
10/19 01Z,   1.20,   1.68,  99.90,   3.08,   0.20,  (min)
10/19 02Z,   1.20,   2.07,  99.90,   3.47,   0.20,
10/19 03Z,   1.30,   2.80,  99.90,   4.30,   0.20,
10/19 04Z,   1.40,   3.61,  99.90,   5.20,   0.20,
10/19 05Z,   1.40,   4.24,  99.90,   5.84,   0.20,
10/19 06Z,   1.40,   4.58,  99.90,   6.17,   0.20,  (max)
10/19 07Z,   1.30,   4.57,  99.90,   6.06,   0.20,
10/19 08Z,   1.30,   4.19,  99.90,   5.69,   0.20,
10/19 09Z,   1.30,   3.50,  99.90,   4.99,   0.20,
10/19 10Z,   1.30,   2.68,  99.90,   4.17,   0.20,
10/19 11Z,   1.20,   1.98,  99.90,   3.38,   0.20,
10/19 12Z,   1.20,   1.58,  99.90,   2.98,   0.20,
10/19 13Z,   1.20,   1.57,  99.90,   2.97,   0.20,  (min)
10/19 14Z,   1.20,   1.98,  99.90,   3.37,   0.20,
10/19 15Z,   1.20,   2.73,  99.90,   4.13,   0.20,
10/19 16Z,   1.20,   3.64,  99.90,   5.03,   0.20,
10/19 17Z,   1.20,   4.45,  99.90,   5.85,   0.20,
10/19 18Z,   1.20,   5.04,  99.90,   6.43,   0.20,
10/19 19Z,   1.30,   5.32,  99.90,   6.82,   0.20,  (max)
10/19 20Z,   1.20,   5.23,  99.90,   6.63,   0.20,
10/19 21Z,   1.30,   4.72,  99.90,   6.21,   0.20,
10/19 22Z,   1.30,   3.87,  99.90,   5.37,   0.20,
10/19 23Z,   1.20,   2.91,  99.90,   4.31,   0.20,
10/20 00Z,   1.10,   2.09,  99.90,   3.39,   0.20,
10/20 01Z,   1.10,   1.60,  99.90,   2.90,   0.20,
10/20 02Z,   1.10,   1.57,  99.90,   2.87,   0.20,  (min)
10/20 03Z,   1.00,   2.04,  99.90,   3.23,   0.20,
10/20 04Z,   1.00,   2.84,  99.90,   4.04,   0.20,
10/20 05Z,   1.10,   3.71,  99.90,   5.00,   0.20,
10/20 06Z,   1.10,   4.38,  99.90,   5.67,   0.20,
10/20 07Z,   1.10,   4.73,  99.90,   6.03,   0.20,  (max)
10/20 08Z,   1.10,   4.71,  99.90,   6.01,   0.20,
10/20 09Z,   1.00,   4.30,  99.90,   5.50,   0.20,
10/20 10Z,   1.00,   3.56,  99.90,   4.75,   0.20,
10/20 11Z,   0.90,   2.69,  99.90,   3.79,   0.20,
10/20 12Z,   0.90,   1.95,  99.90,   3.05,   0.20,
10/20 13Z,   0.90,   1.51,  99.90,   2.61,   0.20,
10/20 14Z,   0.90,   1.48,  99.90,   2.58,   0.20,  (min)
10/20 15Z,   0.90,   1.90,  99.90,   3.00,   0.20,
10/20 16Z,   1.00,   2.71,  99.90,   3.91,   0.20,
10/20 17Z,   1.00,   3.67,  99.90,   4.87,   0.20,
10/20 18Z,   1.00,   4.54,  99.90,   5.74,   0.20,
10/20 19Z,   1.00,   5.15,  99.90,   6.34,   0.20,
10/20 20Z,   1.00,   5.42,  99.90,   6.62,   0.20,  (max)
10/20 21Z,   1.00,   5.27,  99.90,   6.47,   0.20,
10/20 22Z,   1.10,   4.67,  99.90,   5.96,   0.20,
10/20 23Z,   1.00,   3.72,  99.90,   4.92,   0.20,
10/21 00Z,   0.90,   2.68,  99.90,   3.78,   0.20,
10/21 01Z,   0.90,   1.81,  99.90,   2.91,   0.20,
10/21 02Z,   0.90,   1.33,  99.90,   2.43,   0.20,
10/21 03Z,   0.80,   1.38,  99.90,   2.38,   0.20,  (min)
10/21 04Z,   0.90,   1.98,  99.90,   3.08,   0.20,
10/21 05Z,   1.00,   2.93,  99.90,   4.12,   0.20,
10/21 06Z,   1.00,   3.90,  99.90,   5.10,   0.20,
10/21 07Z,   1.00,   4.64,  99.90,   5.83,   0.20,
10/21 08Z,   1.00,   5.01,  99.90,   6.21,   0.20,  (max)
10/21 09Z,   1.00,   4.96,  99.90,   6.16,   0.20,
10/21 10Z,   0.90,   4.48,  99.90,   5.57,   0.20,
10/21 11Z,   1.00,   3.64,  99.90,   4.83,   0.20,
10/21 12Z,   1.00,   2.67,  99.90,   3.87,   0.20,
10/21 13Z,   1.00,   1.84,  99.90,   3.03,   0.20,
10/21 14Z,   1.00,   1.33,  99.90,   2.53,   0.20,
10/21 15Z,   1.00,   1.29,  99.90,   2.49,   0.20,  (min)
10/21 16Z,   1.00,   1.78,  99.90,   2.98,   0.20,
10/21 17Z,   1.00,   2.69,  99.90,   3.89,   0.20,
10/21 18Z,   1.10,   3.76,  99.90,   5.06,   0.20,
10/21 19Z,  99.90,   4.69,  99.90,  99.90,   0.20,
10/21 20Z,  99.90,   5.32,  99.90,  99.90,   0.20,
10/21 21Z,  99.90,   5.55,  99.90,  99.90,   0.20,
10/21 22Z,  99.90,   5.30,  99.90,  99.90,   0.20,
10/21 23Z,  99.90,   4.56,  99.90,  99.90,   0.20,
10/22 00Z,  99.90,   3.48,  99.90,  99.90,   0.20,