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 : 03/23/2025 07:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/21 12Z,  -0.40,   1.04,   0.48,  99.90,  -0.16,  (min)
03/21 13Z,  -0.20,   1.50,   1.02,  99.90,  -0.28,
03/21 14Z,  -0.20,   2.31,   1.99,  99.90,  -0.12,
03/21 15Z,  -0.20,   3.18,   2.79,  99.90,  -0.19,
03/21 16Z,  -0.20,   3.84,   3.51,  99.90,  -0.13,
03/21 17Z,  -0.10,   4.11,   3.78,  99.90,  -0.23,  (max)
03/21 18Z,   0.00,   4.00,   3.74,  99.90,  -0.26,
03/21 19Z,   0.00,   3.54,   3.35,  99.90,  -0.19,
03/21 20Z,   0.00,   2.80,   2.84,  99.90,   0.04,
03/21 21Z,   0.00,   1.92,   1.99,  99.90,   0.07,
03/21 22Z,   0.00,   1.18,   1.21,  99.90,   0.03,
03/21 23Z,   0.00,   0.82,   0.84,  99.90,   0.02,  (min)
03/22 00Z,   0.00,   0.93,   1.08,  99.90,   0.15,
03/22 01Z,   0.00,   1.49,   1.73,  99.90,   0.24,
03/22 02Z,   0.00,   2.40,   2.66,  99.90,   0.26,
03/22 03Z,   0.00,   3.41,   3.46,  99.90,   0.05,
03/22 04Z,   0.00,   4.25,   4.20,  99.90,  -0.05,
03/22 05Z,  -0.10,   4.75,   4.71,  99.90,   0.06,
03/22 06Z,   0.00,   4.88,   4.84,  99.90,  -0.04,  (max)
03/22 07Z,   0.00,   4.68,   4.65,  99.90,  -0.03,
03/22 08Z,   0.00,   4.14,   4.04,  99.90,  -0.10,
03/22 09Z,   0.00,   3.31,   3.27,  99.90,  -0.04,
03/22 10Z,   0.00,   2.37,   2.33,  99.90,  -0.04,
03/22 11Z,   0.00,   1.57,   1.47,  99.90,  -0.10,
03/22 12Z,  -0.10,   1.12,   1.00,  99.90,  -0.02,
03/22 13Z,  -0.10,   1.12,   0.93,  99.90,  -0.09,  (min)
03/22 14Z,  -0.10,   1.59,   1.57,  99.90,   0.08,
03/22 15Z,  -0.20,   2.38,   2.49,  99.90,   0.31,
03/22 16Z,  -0.20,   3.22,   3.25,  99.90,   0.23,
03/22 17Z,  -0.20,   3.83,   3.64,  99.90,   0.01,
03/22 18Z,  -0.10,   4.08,   3.75,  99.90,  -0.23,  (max)
03/22 19Z,  -0.10,   3.96,   3.57,  99.90,  -0.29,
03/22 20Z,  -0.10,   3.50,   3.06,  99.90,  -0.34,
03/22 21Z,  -0.10,   2.76,   2.38,  99.90,  -0.28,
03/22 22Z,  -0.10,   1.91,   1.70,  99.90,  -0.11,
03/22 23Z,  -0.10,   1.20,   1.10,  99.90,   0.00,
03/23 00Z,  -0.20,   0.84,   0.83,  99.90,   0.19,
03/23 01Z,  -0.20,   0.94,   0.83,  99.90,   0.09,  (min)
03/23 02Z,  -0.20,   1.48,   1.42,  99.90,   0.14,
03/23 03Z,  -0.20,   2.38,   2.15,  99.90,  -0.03,
03/23 04Z,  -0.20,   3.38,   2.92,  99.90,  -0.26,
03/23 05Z,  -0.40,   4.23,   3.65,  99.90,  -0.18,
03/23 06Z,  -0.40,   4.74,   4.21,  99.90,  -0.13,
03/23 07Z,  -0.30,   4.91,   4.45,  99.90,  -0.16,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/23 08Z,  -0.30,   4.73,  99.90,   4.28,  -0.15,
03/23 09Z,  -0.30,   4.20,  99.90,   3.76,  -0.14,
03/23 10Z,  -0.30,   3.35,  99.90,   2.92,  -0.13,
03/23 11Z,  -0.30,   2.39,  99.90,   1.97,  -0.12,
03/23 12Z,  -0.30,   1.56,  99.90,   1.15,  -0.11,
03/23 13Z,  -0.30,   1.07,  99.90,   0.67,  -0.10,  (min)
03/23 14Z,  -0.20,   1.05,  99.90,   0.75,  -0.09,
03/23 15Z,  -0.10,   1.53,  99.90,   1.34,  -0.08,
03/23 16Z,  -0.10,   2.36,  99.90,   2.18,  -0.08,
03/23 17Z,   0.00,   3.24,  99.90,   3.17,  -0.07,
03/23 18Z,   0.00,   3.88,  99.90,   3.83,  -0.06,
03/23 19Z,   0.00,   4.16,  99.90,   4.12,  -0.05,  (max)
03/23 20Z,   0.00,   4.07,  99.90,   4.02,  -0.05,
03/23 21Z,   0.00,   3.61,  99.90,   3.56,  -0.05,
03/23 22Z,   0.00,   2.85,  99.90,   2.80,  -0.05,
03/23 23Z,   0.00,   1.96,  99.90,   1.91,  -0.05,
03/24 00Z,   0.00,   1.20,  99.90,   1.15,  -0.05,
03/24 01Z,   0.00,   0.77,  99.90,   0.72,  -0.05,  (min)
03/24 02Z,   0.00,   0.80,  99.90,   0.75,  -0.05,
03/24 03Z,   0.00,   1.31,  99.90,   1.27,  -0.05,
03/24 04Z,   0.00,   2.23,  99.90,   2.18,  -0.05,
03/24 05Z,   0.00,   3.30,  99.90,   3.25,  -0.05,
03/24 06Z,   0.00,   4.22,  99.90,   4.18,  -0.05,
03/24 07Z,   0.10,   4.82,  99.90,   4.88,  -0.05,
03/24 08Z,   0.00,   5.06,  99.90,   5.01,  -0.05,  (max)
03/24 09Z,   0.00,   4.91,  99.90,   4.86,  -0.05,
03/24 10Z,   0.00,   4.35,  99.90,   4.30,  -0.05,
03/24 11Z,  -0.10,   3.43,  99.90,   3.28,  -0.05,
03/24 12Z,   0.00,   2.37,  99.90,   2.33,  -0.05,
03/24 13Z,   0.00,   1.44,  99.90,   1.39,  -0.05,
03/24 14Z,  -0.10,   0.87,  99.90,   0.72,  -0.05,
03/24 15Z,  -0.10,   0.83,  99.90,   0.68,  -0.05,  (min)
03/24 16Z,  -0.20,   1.36,  99.90,   1.11,  -0.05,
03/24 17Z,  -0.20,   2.30,  99.90,   2.05,  -0.05,
03/24 18Z,  -0.30,   3.30,  99.90,   2.95,  -0.05,
03/24 19Z,  -0.20,   4.05,  99.90,   3.80,  -0.05,
03/24 20Z,  -0.20,   4.40,  99.90,   4.15,  -0.05,  (max)
03/24 21Z,  -0.20,   4.33,  99.90,   4.09,  -0.05,
03/24 22Z,  -0.30,   3.85,  99.90,   3.51,  -0.05,
03/24 23Z,  -0.50,   3.02,  99.90,   2.48,  -0.05,
03/25 00Z,  -0.50,   2.03,  99.90,   1.48,  -0.05,
03/25 01Z,  -0.50,   1.13,  99.90,   0.59,  -0.05,
03/25 02Z,  -0.60,   0.58,  99.90,  -0.07,  -0.05,  (min)
03/25 03Z,  -0.40,   0.52,  99.90,   0.07,  -0.05,
03/25 04Z,  -0.30,   1.04,  99.90,   0.69,  -0.05,
03/25 05Z,  -0.30,   2.04,  99.90,   1.69,  -0.05,
03/25 06Z,  -0.30,   3.24,  99.90,   2.89,  -0.05,
03/25 07Z,  -0.20,   4.30,  99.90,   4.05,  -0.05,
03/25 08Z,  -0.20,   5.01,  99.90,   4.76,  -0.05,
03/25 09Z,  -0.30,   5.30,  99.90,   4.96,  -0.05,  (max)
03/25 10Z,  -0.30,   5.15,  99.90,   4.80,  -0.05,
03/25 11Z,  -0.30,   4.50,  99.90,   4.16,  -0.05,
03/25 12Z,  -0.30,   3.46,  99.90,   3.11,  -0.05,
03/25 13Z,  -0.20,   2.24,  99.90,   1.99,  -0.05,
03/25 14Z,  -0.10,   1.16,  99.90,   1.02,  -0.05,
03/25 15Z,  -0.10,   0.51,  99.90,   0.37,  -0.05,  (min)
03/25 16Z,   0.00,   0.50,  99.90,   0.46,  -0.05,
03/25 17Z,  -0.10,   1.17,  99.90,   1.03,  -0.05,
03/25 18Z,  -0.10,   2.30,  99.90,   2.15,  -0.05,
03/25 19Z,  -0.10,   3.48,  99.90,   3.33,  -0.05,
03/25 20Z,   0.00,   4.36,  99.90,   4.31,  -0.05,
03/25 21Z,   0.00,   4.78,  99.90,   4.73,  -0.05,  (max)
03/25 22Z,   0.00,   4.72,  99.90,   4.67,  -0.05,
03/25 23Z,   0.00,   4.18,  99.90,   4.13,  -0.05,
03/26 00Z,   0.00,   3.22,  99.90,   3.17,  -0.05,
03/26 01Z,   0.00,   2.06,  99.90,   2.01,  -0.05,
03/26 02Z,  -0.10,   0.98,  99.90,   0.83,  -0.05,
03/26 03Z,  -0.10,   0.27,  99.90,   0.12,  -0.05,
03/26 04Z,  -0.10,   0.15,  99.90,   0.01,  -0.05,  (min)
03/26 05Z,  -0.10,   0.73,  99.90,   0.58,  -0.05,
03/26 06Z,  -0.20,   1.88,  99.90,   1.63,  -0.05,
03/26 07Z,  -0.10,   3.25,  99.90,   3.10,  -0.05,
03/26 08Z,  -0.10,   4.45,  99.90,   4.30,  -0.05,
03/26 09Z,  -0.10,   5.26,  99.90,   5.11,  -0.05,
03/26 10Z,  -0.20,   5.58,  99.90,   5.33,  -0.05,  (max)
03/26 11Z,  -0.20,   5.37,  99.90,   5.12,  -0.05,
03/26 12Z,  -0.20,   4.58,  99.90,   4.34,  -0.05,
03/26 13Z,  -0.10,   3.35,  99.90,   3.21,  -0.05,
03/26 14Z,  -0.30,   1.95,  99.90,   1.61,  -0.05,
03/26 15Z,  -0.30,   0.74,  99.90,   0.39,  -0.05,
03/26 16Z,  -0.10,   0.06,  99.90,  -0.08,  -0.05,  (min)
03/26 17Z,   0.00,   0.16,  99.90,   0.12,  -0.05,
03/26 18Z,   0.00,   1.05,  99.90,   1.00,  -0.05,
03/26 19Z,   0.10,   2.42,  99.90,   2.47,  -0.05,
03/26 20Z,   0.10,   3.79,  99.90,   3.85,  -0.05,
03/26 21Z,   0.10,   4.80,  99.90,   4.85,  -0.05,
03/26 22Z,   0.10,   5.27,  99.90,   5.32,  -0.05,  (max)
03/26 23Z,   0.10,   5.17,  99.90,   5.23,  -0.05,
03/27 00Z,   0.00,   4.51,  99.90,   4.46,  -0.05,