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
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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 : 01/24/2026 21:21:43 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 06Z,   0.00,   3.21,   2.90,  99.90,  -0.31,
01/23 07Z,   0.00,   1.94,   1.62,  99.90,  -0.32,
01/23 08Z,   0.00,   0.78,   0.58,  99.90,  -0.20,
01/23 09Z,   0.00,   0.07,   0.06,  99.90,  -0.01,  (min)
01/23 10Z,   0.00,   0.03,   0.16,  99.90,   0.13,
01/23 11Z,   0.10,   0.70,   0.76,  99.90,  -0.04,
01/23 12Z,   0.00,   1.91,   1.93,  99.90,   0.02,
01/23 13Z,   0.00,   3.29,   3.23,  99.90,  -0.06,
01/23 14Z,   0.10,   4.42,   4.46,  99.90,  -0.06,
01/23 15Z,   0.10,   5.04,   5.19,  99.90,   0.05,
01/23 16Z,   0.10,   5.13,   5.37,  99.90,   0.14,  (max)
01/23 17Z,   0.00,   4.71,   4.92,  99.90,   0.21,
01/23 18Z,   0.10,   3.82,   3.90,  99.90,  -0.02,
01/23 19Z,   0.10,   2.55,   2.49,  99.90,  -0.16,
01/23 20Z,   0.10,   1.19,   1.05,  99.90,  -0.24,
01/23 21Z,   0.20,   0.14,   0.00,  99.90,  -0.34,
01/23 22Z,   0.20,  -0.28,  -0.34,  99.90,  -0.26,  (min)
01/23 23Z,   0.30,   0.07,   0.24,  99.90,  -0.13,
01/24 00Z,   0.20,   1.14,   1.48,  99.90,   0.14,
01/24 01Z,   0.30,   2.60,   2.86,  99.90,  -0.04,
01/24 02Z,   0.30,   3.96,   4.00,  99.90,  -0.26,
01/24 03Z,   0.20,   4.85,   4.78,  99.90,  -0.27,
01/24 04Z,   0.20,   5.14,   5.10,  99.90,  -0.24,  (max)
01/24 05Z,   0.20,   4.90,   4.87,  99.90,  -0.23,
01/24 06Z,   0.20,   4.19,   4.14,  99.90,  -0.25,
01/24 07Z,   0.20,   3.10,   3.13,  99.90,  -0.17,
01/24 08Z,   0.20,   1.86,   2.00,  99.90,  -0.06,
01/24 09Z,   0.30,   0.79,   1.00,  99.90,  -0.09,
01/24 10Z,   0.30,   0.19,   0.58,  99.90,   0.09,  (min)
01/24 11Z,   0.40,   0.24,   0.65,  99.90,   0.01,
01/24 12Z,   0.50,   0.95,   1.41,  99.90,  -0.04,
01/24 13Z,   0.50,   2.13,   2.55,  99.90,  -0.08,
01/24 14Z,   0.60,   3.41,   3.88,  99.90,  -0.13,
01/24 15Z,   0.70,   4.39,   4.74,  99.90,  -0.35,
01/24 16Z,   0.80,   4.87,   5.59,  99.90,  -0.08,
01/24 17Z,   0.90,   4.84,   5.67,  99.90,  -0.07,  (max)
01/24 18Z,   1.10,   4.33,   5.30,  99.90,  -0.13,
01/24 19Z,   1.10,   3.38,   4.33,  99.90,  -0.15,
01/24 20Z,   1.20,   2.13,   3.11,  99.90,  -0.22,
01/24 21Z,   1.30,   0.88,   1.77,  99.90,  -0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/24 22Z,   1.40,  -0.01,  99.90,   1.00,  -0.39,
01/24 23Z,   1.50,  -0.26,  99.90,   0.87,  -0.37,  (min)
01/25 00Z,   1.60,   0.25,  99.90,   1.50,  -0.35,
01/25 01Z,   1.50,   1.41,  99.90,   2.59,  -0.33,
01/25 02Z,   1.50,   2.88,  99.90,   4.08,  -0.30,
01/25 03Z,   1.50,   4.19,  99.90,   5.41,  -0.28,
01/25 04Z,   1.40,   5.00,  99.90,   6.14,  -0.26,
01/25 05Z,   1.40,   5.23,  99.90,   6.39,  -0.24,  (max)
01/25 06Z,   1.40,   4.94,  99.90,   6.12,  -0.22,
01/25 07Z,   1.30,   4.20,  99.90,   5.30,  -0.20,
01/25 08Z,   1.30,   3.12,  99.90,   4.24,  -0.18,
01/25 09Z,   1.10,   1.92,  99.90,   2.87,  -0.15,
01/25 10Z,   1.00,   0.92,  99.90,   1.76,  -0.15,
01/25 11Z,   0.90,   0.36,  99.90,   1.11,  -0.15,  (min)
01/25 12Z,   0.90,   0.41,  99.90,   1.16,  -0.15,
01/25 13Z,   0.90,   1.09,  99.90,   1.83,  -0.15,
01/25 14Z,   0.80,   2.20,  99.90,   2.84,  -0.15,
01/25 15Z,   0.60,   3.37,  99.90,   3.81,  -0.15,
01/25 16Z,   0.60,   4.24,  99.90,   4.68,  -0.15,
01/25 17Z,   0.60,   4.63,  99.90,   5.08,  -0.15,  (max)
01/25 18Z,   0.60,   4.55,  99.90,   5.00,  -0.15,
01/25 19Z,   0.50,   4.02,  99.90,   4.37,  -0.15,
01/25 20Z,   0.50,   3.08,  99.90,   3.43,  -0.15,
01/25 21Z,   0.50,   1.88,  99.90,   2.23,  -0.15,
01/25 22Z,   0.60,   0.73,  99.90,   1.18,  -0.15,
01/25 23Z,   0.60,  -0.05,  99.90,   0.40,  -0.15,
01/26 00Z,   0.50,  -0.20,  99.90,   0.15,  -0.15,  (min)
01/26 01Z,   0.50,   0.37,  99.90,   0.72,  -0.15,
01/26 02Z,   0.50,   1.56,  99.90,   1.91,  -0.15,
01/26 03Z,   0.30,   3.02,  99.90,   3.16,  -0.15,
01/26 04Z,   0.10,   4.29,  99.90,   4.24,  -0.15,
01/26 05Z,   0.00,   5.07,  99.90,   4.92,  -0.15,
01/26 06Z,   0.00,   5.30,  99.90,   5.14,  -0.15,  (max)
01/26 07Z,  -0.20,   5.02,  99.90,   4.67,  -0.15,
01/26 08Z,  -0.20,   4.31,  99.90,   3.95,  -0.15,
01/26 09Z,  -0.10,   3.26,  99.90,   3.00,  -0.15,
01/26 10Z,  -0.10,   2.10,  99.90,   1.84,  -0.15,
01/26 11Z,  -0.10,   1.10,  99.90,   0.85,  -0.15,
01/26 12Z,  -0.30,   0.52,  99.90,   0.07,  -0.15,
01/26 13Z,  -0.50,   0.50,  99.90,  -0.15,  -0.15,  (min)
01/26 14Z,  -0.70,   1.09,  99.90,   0.24,  -0.15,
01/26 15Z,  -0.70,   2.11,  99.90,   1.26,  -0.15,
01/26 16Z,  -0.80,   3.20,  99.90,   2.25,  -0.15,
01/26 17Z,  -0.60,   4.03,  99.90,   3.27,  -0.15,
01/26 18Z,  -0.50,   4.41,  99.90,   3.76,  -0.15,
01/26 19Z,  -0.30,   4.35,  99.90,   3.90,  -0.15,  (max)
01/26 20Z,   0.00,   3.85,  99.90,   3.70,  -0.15,
01/26 21Z,   0.10,   2.95,  99.90,   2.89,  -0.15,
01/26 22Z,   0.00,   1.80,  99.90,   1.65,  -0.15,
01/26 23Z,   0.00,   0.71,  99.90,   0.55,  -0.15,
01/27 00Z,  -0.20,  -0.03,  99.90,  -0.39,  -0.15,
01/27 01Z,  -0.20,  -0.18,  99.90,  -0.53,  -0.15,  (min)
01/27 02Z,  -0.20,   0.38,  99.90,   0.03,  -0.15,
01/27 03Z,  -0.20,   1.56,  99.90,   1.21,  -0.15,
01/27 04Z,   0.00,   3.01,  99.90,   2.85,  -0.15,
01/27 05Z,   0.00,   4.28,  99.90,   4.13,  -0.15,
01/27 06Z,   0.00,   5.10,  99.90,   4.94,  -0.15,
01/27 07Z,   0.00,   5.38,  99.90,   5.22,  -0.15,  (max)
01/27 08Z,   0.00,   5.16,  99.90,   5.01,  -0.15,
01/27 09Z,   0.00,   4.50,  99.90,   4.35,  -0.15,
01/27 10Z,   0.00,   3.49,  99.90,   3.33,  -0.15,
01/27 11Z,   0.00,   2.33,  99.90,   2.18,  -0.15,
01/27 12Z,   0.00,   1.29,  99.90,   1.14,  -0.15,
01/27 13Z,   0.10,   0.61,  99.90,   0.56,  -0.15,
01/27 14Z,   0.10,   0.48,  99.90,   0.42,  -0.15,  (min)
01/27 15Z,   0.00,   0.97,  99.90,   0.81,  -0.15,
01/27 16Z,   0.00,   1.92,  99.90,   1.77,  -0.15,
01/27 17Z,   0.00,   2.99,  99.90,   2.84,  -0.15,
01/27 18Z,   0.00,   3.83,  99.90,   3.68,  -0.15,
01/27 19Z,   0.00,   4.28,  99.90,   4.12,  -0.15,
01/27 20Z,   0.10,   4.28,  99.90,   4.23,  -0.15,  (max)
01/27 21Z,   0.20,   3.84,  99.90,   3.88,  -0.15,
01/27 22Z,   0.20,   2.98,  99.90,   3.02,  -0.15,
01/27 23Z,   0.10,   1.86,  99.90,   1.80,  -0.15,
01/28 00Z,   0.00,   0.75,  99.90,   0.60,  -0.15,
01/28 01Z,   0.00,  -0.03,  99.90,  -0.19,  -0.15,
01/28 02Z,   0.00,  -0.24,  99.90,  -0.40,  -0.15,  (min)
01/28 03Z,  -0.20,   0.27,  99.90,  -0.09,  -0.15,
01/28 04Z,  -0.20,   1.43,  99.90,   1.08,  -0.15,
01/28 05Z,  -0.20,   2.90,  99.90,   2.54,  -0.15,
01/28 06Z,  -0.20,   4.22,  99.90,   3.87,  -0.15,
01/28 07Z,  -0.20,   5.11,  99.90,   4.76,  -0.15,
01/28 08Z,  -0.20,   5.49,  99.90,   5.14,  -0.15,  (max)
01/28 09Z,  -0.20,   5.37,  99.90,   5.01,  -0.15,
01/28 10Z,  -0.20,   4.76,  99.90,   4.40,  -0.15,
01/28 11Z,  -0.30,   3.76,  99.90,   3.30,  -0.15,
01/28 12Z,  -0.20,   2.56,  99.90,   2.20,  -0.15,
01/28 13Z,  99.90,   1.42,  99.90,  99.90,  -0.15,
01/28 14Z,  99.90,   0.60,  99.90,  99.90,  -0.15,
01/28 15Z,  99.90,   0.34,  99.90,  99.90,  -0.15,
01/28 16Z,  99.90,   0.75,  99.90,  99.90,  -0.15,
01/28 17Z,  99.90,   1.70,  99.90,  99.90,  -0.15,
01/28 18Z,  99.90,   2.81,  99.90,  99.90,  -0.15,