EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

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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 : 04/16/2026 13:20:31 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 18Z,   0.20,  -1.77,  -1.51,  99.90,   0.06,
04/14 19Z,   0.20,  -0.39,  -0.14,  99.90,   0.05,
04/14 20Z,   0.20,   1.00,   1.19,  99.90,  -0.01,
04/14 21Z,   0.20,   2.04,   2.18,  99.90,  -0.06,
04/14 22Z,   0.20,   2.55,   2.61,  99.90,  -0.14,
04/14 23Z,   0.30,   2.50,   2.61,  99.90,  -0.19,  (max)
04/15 00Z,   0.20,   1.90,   2.04,  99.90,  -0.06,
04/15 01Z,   0.20,   0.81,   0.93,  99.90,  -0.08,
04/15 02Z,   0.20,  -0.52,  -0.42,  99.90,  -0.10,
04/15 03Z,   0.20,  -1.77,  -1.67,  99.90,  -0.10,
04/15 04Z,   0.20,  -2.62,  -2.52,  99.90,  -0.10,
04/15 05Z,   0.10,  -2.83,  -2.65,  99.90,   0.08,  (min)
04/15 06Z,   0.10,  -2.28,  -1.99,  99.90,   0.19,
04/15 07Z,   0.10,  -1.12,  -0.81,  99.90,   0.21,
04/15 08Z,   0.10,   0.26,   0.59,  99.90,   0.23,
04/15 09Z,   0.10,   1.45,   1.70,  99.90,   0.15,
04/15 10Z,   0.10,   2.21,   2.37,  99.90,   0.06,
04/15 11Z,   0.10,   2.45,   2.50,  99.90,  -0.05,  (max)
04/15 12Z,   0.10,   2.11,   2.13,  99.90,  -0.08,
04/15 13Z,   0.10,   1.18,   1.22,  99.90,  -0.06,
04/15 14Z,   0.10,  -0.16,  -0.10,  99.90,  -0.04,
04/15 15Z,   0.10,  -1.60,  -1.58,  99.90,  -0.08,
04/15 16Z,   0.10,  -2.74,  -2.72,  99.90,  -0.08,
04/15 17Z,   0.20,  -3.22,  -3.15,  99.90,  -0.13,  (min)
04/15 18Z,   0.20,  -2.82,  -2.69,  99.90,  -0.07,
04/15 19Z,   0.20,  -1.63,  -1.39,  99.90,   0.04,
04/15 20Z,   0.20,  -0.00,   0.18,  99.90,  -0.02,
04/15 21Z,   0.20,   1.52,   1.71,  99.90,  -0.01,
04/15 22Z,   0.20,   2.58,   2.63,  99.90,  -0.15,
04/15 23Z,   0.20,   3.04,   2.99,  99.90,  -0.25,  (max)
04/16 00Z,   0.20,   2.87,   2.78,  99.90,  -0.29,
04/16 01Z,   0.20,   2.08,   2.00,  99.90,  -0.28,
04/16 02Z,   0.20,   0.80,   0.78,  99.90,  -0.22,
04/16 03Z,   0.20,  -0.71,  -0.66,  99.90,  -0.15,
04/16 04Z,   0.20,  -2.08,  -2.01,  99.90,  -0.13,
04/16 05Z,   0.10,  -2.97,  -2.89,  99.90,  -0.02,
04/16 06Z,   0.10,  -3.09,  -2.94,  99.90,   0.05,  (min)
04/16 07Z,   0.10,  -2.37,  -2.17,  99.90,   0.10,
04/16 08Z,   0.10,  -1.03,  -0.77,  99.90,   0.16,
04/16 09Z,   0.10,   0.46,   0.69,  99.90,   0.13,
04/16 10Z,   0.00,   1.66,   1.95,  99.90,   0.29,
04/16 11Z,   0.00,   2.37,   2.53,  99.90,   0.16,
04/16 12Z,   0.00,   2.49,   2.54,  99.90,   0.05,  (max)
04/16 13Z,   0.00,   1.99,   2.04,  99.90,   0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 14Z,   0.00,   0.90,  99.90,   0.94,   0.04,
04/16 15Z,   0.00,  -0.59,  99.90,  -0.55,   0.04,
04/16 16Z,   0.00,  -2.09,  99.90,  -2.06,   0.03,
04/16 17Z,   0.00,  -3.17,  99.90,  -3.14,   0.03,
04/16 18Z,   0.00,  -3.47,  99.90,  -3.45,   0.02,  (min)
04/16 19Z,   0.00,  -2.81,  99.90,  -2.79,   0.02,
04/16 20Z,   0.10,  -1.34,  99.90,  -1.22,   0.01,
04/16 21Z,   0.10,   0.47,  99.90,   0.58,   0.01,
04/16 22Z,   0.10,   2.06,  99.90,   2.17,   0.00,
04/16 23Z,   0.10,   3.08,  99.90,   3.18,  -0.00,
04/17 00Z,   0.10,   3.43,  99.90,   3.52,  -0.01,  (max)
04/17 01Z,   0.10,   3.11,  99.90,   3.19,  -0.01,
04/17 02Z,   0.10,   2.14,  99.90,   2.23,  -0.01,
04/17 03Z,   0.10,   0.68,  99.90,   0.77,  -0.01,
04/17 04Z,   0.10,  -0.96,  99.90,  -0.88,  -0.01,
04/17 05Z,   0.00,  -2.40,  99.90,  -2.41,  -0.01,
04/17 06Z,   0.00,  -3.25,  99.90,  -3.26,  -0.01,  (min)
04/17 07Z,   0.00,  -3.23,  99.90,  -3.24,  -0.01,
04/17 08Z,   0.00,  -2.33,  99.90,  -2.34,  -0.01,
04/17 09Z,   0.00,  -0.86,  99.90,  -0.87,  -0.01,
04/17 10Z,   0.00,   0.67,  99.90,   0.66,  -0.01,
04/17 11Z,   0.00,   1.84,  99.90,   1.82,  -0.01,
04/17 12Z,   0.00,   2.44,  99.90,   2.43,  -0.01,  (max)
04/17 13Z,   0.00,   2.43,  99.90,   2.42,  -0.01,
04/17 14Z,   0.00,   1.78,  99.90,   1.76,  -0.01,
04/17 15Z,   0.00,   0.54,  99.90,   0.53,  -0.01,
04/17 16Z,   0.00,  -1.03,  99.90,  -1.05,  -0.01,
04/17 17Z,   0.00,  -2.52,  99.90,  -2.54,  -0.01,
04/17 18Z,   0.00,  -3.49,  99.90,  -3.50,  -0.01,  (min)
04/17 19Z,   0.10,  -3.56,  99.90,  -3.48,  -0.01,
04/17 20Z,   0.20,  -2.64,  99.90,  -2.45,  -0.01,
04/17 21Z,   0.20,  -0.95,  99.90,  -0.76,  -0.01,
04/17 22Z,   0.20,   0.96,  99.90,   1.15,  -0.01,
04/17 23Z,   0.30,   2.53,  99.90,   2.82,  -0.01,
04/18 00Z,   0.20,   3.45,  99.90,   3.64,  -0.01,
04/18 01Z,   0.20,   3.67,  99.90,   3.85,  -0.01,  (max)
04/18 02Z,   0.10,   3.19,  99.90,   3.28,  -0.01,
04/18 03Z,   0.10,   2.07,  99.90,   2.16,  -0.01,
04/18 04Z,   0.10,   0.49,  99.90,   0.58,  -0.01,
04/18 05Z,   0.10,  -1.22,  99.90,  -1.14,  -0.01,
04/18 06Z,   0.10,  -2.65,  99.90,  -2.56,  -0.01,
04/18 07Z,   0.20,  -3.39,  99.90,  -3.21,  -0.01,  (min)
04/18 08Z,   0.20,  -3.22,  99.90,  -3.03,  -0.01,
04/18 09Z,   0.20,  -2.17,  99.90,  -1.99,  -0.01,
04/18 10Z,   0.10,  -0.63,  99.90,  -0.55,  -0.01,
04/18 11Z,   0.10,   0.87,  99.90,   0.96,  -0.01,
04/18 12Z,   0.10,   1.94,  99.90,   2.02,  -0.01,
04/18 13Z,   0.10,   2.42,  99.90,   2.50,  -0.01,  (max)
04/18 14Z,   0.20,   2.27,  99.90,   2.46,  -0.01,
04/18 15Z,   0.20,   1.50,  99.90,   1.68,  -0.01,
04/18 16Z,   0.20,   0.17,  99.90,   0.36,  -0.01,
04/18 17Z,   0.20,  -1.42,  99.90,  -1.24,  -0.01,
04/18 18Z,   0.20,  -2.84,  99.90,  -2.65,  -0.01,
04/18 19Z,   0.30,  -3.64,  99.90,  -3.35,  -0.01,  (min)
04/18 20Z,   0.30,  -3.49,  99.90,  -3.20,  -0.01,
04/18 21Z,   0.30,  -2.35,  99.90,  -2.06,  -0.01,
04/18 22Z,   0.30,  -0.53,  99.90,  -0.25,  -0.01,
04/18 23Z,   0.40,   1.37,  99.90,   1.76,  -0.01,
04/19 00Z,   0.40,   2.85,  99.90,   3.23,  -0.01,
04/19 01Z,   0.40,   3.64,  99.90,   4.02,  -0.01,
04/19 02Z,   0.40,   3.72,  99.90,   4.11,  -0.01,  (max)
04/19 03Z,   0.40,   3.12,  99.90,   3.51,  -0.01,
04/19 04Z,   0.30,   1.91,  99.90,   2.19,  -0.01,
04/19 05Z,   0.30,   0.27,  99.90,   0.55,  -0.01,
04/19 06Z,   0.20,  -1.43,  99.90,  -1.25,  -0.01,
04/19 07Z,   0.30,  -2.77,  99.90,  -2.49,  -0.01,
04/19 08Z,   0.20,  -3.39,  99.90,  -3.20,  -0.01,  (min)
04/19 09Z,   0.30,  -3.07,  99.90,  -2.78,  -0.01,
04/19 10Z,   0.30,  -1.94,  99.90,  -1.65,  -0.01,
04/19 11Z,   0.30,  -0.40,  99.90,  -0.11,  -0.01,
04/19 12Z,   0.30,   1.01,  99.90,   1.30,  -0.01,
04/19 13Z,   0.20,   1.95,  99.90,   2.14,  -0.01,
04/19 14Z,   0.10,   2.31,  99.90,   2.40,  -0.01,  (max)
04/19 15Z,   0.10,   2.06,  99.90,   2.15,  -0.01,
04/19 16Z,   0.10,   1.21,  99.90,   1.29,  -0.01,
04/19 17Z,   0.20,  -0.15,  99.90,   0.03,  -0.01,
04/19 18Z,   0.20,  -1.70,  99.90,  -1.51,  -0.01,
04/19 19Z,   0.20,  -3.00,  99.90,  -2.81,  -0.01,
04/19 20Z,   0.30,  -3.62,  99.90,  -3.33,  -0.01,  (min)
04/19 21Z,   0.10,  -3.29,  99.90,  -3.20,  -0.01,
04/19 22Z,   0.10,  -2.02,  99.90,  -1.93,  -0.01,
04/19 23Z,   0.00,  -0.18,  99.90,  -0.19,  -0.01,
04/20 00Z,   0.10,   1.64,  99.90,   1.72,  -0.01,
04/20 01Z,   0.00,   2.97,  99.90,   2.95,  -0.01,
04/20 02Z,   0.00,   3.62,  99.90,   3.61,  -0.01,
04/20 03Z,   0.30,   3.61,  99.90,   3.89,  -0.01,  (max)
04/20 04Z,   0.60,   2.94,  99.90,   3.53,  -0.01,
04/20 05Z,   0.90,   1.69,  99.90,   2.58,  -0.01,
04/20 06Z,   1.00,   0.07,  99.90,   1.06,  -0.01,