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 : 04/14/2026 01:23:34 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 06Z,   0.20,  -1.85,  -1.57,  99.90,   0.08,
04/12 07Z,   0.20,  -1.20,  -0.94,  99.90,   0.06,
04/12 08Z,   0.20,  -0.87,  -0.71,  99.90,  -0.04,  (max)
04/12 09Z,   0.20,  -0.93,  -0.77,  99.90,  -0.04,
04/12 10Z,   0.20,  -1.43,  -1.20,  99.90,   0.03,
04/12 11Z,   0.20,  -2.30,  -2.06,  99.90,   0.04,
04/12 12Z,   0.20,  -3.35,  -3.20,  99.90,  -0.05,
04/12 13Z,   0.20,  -4.30,  -4.16,  99.90,  -0.06,
04/12 14Z,   0.20,  -4.91,  -4.61,  99.90,   0.10,
04/12 15Z,   0.20,  -5.01,  -4.73,  99.90,   0.08,  (min)
04/12 16Z,   0.20,  -4.52,  -4.13,  99.90,   0.19,
04/12 17Z,   0.20,  -3.60,  -3.25,  99.90,   0.15,
04/12 18Z,   0.30,  -2.55,  -2.20,  99.90,   0.05,
04/12 19Z,   0.30,  -1.71,  -1.45,  99.90,  -0.04,
04/12 20Z,   0.20,  -1.23,  -1.05,  99.90,  -0.02,
04/12 21Z,   0.20,  -1.16,  -0.95,  99.90,   0.01,  (max)
04/12 22Z,   0.20,  -1.53,  -1.34,  99.90,  -0.01,
04/12 23Z,   0.30,  -2.29,  -1.98,  99.90,   0.01,
04/13 00Z,   0.20,  -3.26,  -2.94,  99.90,   0.12,
04/13 01Z,   0.30,  -4.19,  -3.96,  99.90,  -0.07,
04/13 02Z,   0.30,  -4.84,  -4.53,  99.90,   0.01,
04/13 03Z,   0.30,  -5.04,  -4.61,  99.90,   0.13,  (min)
04/13 04Z,   0.20,  -4.70,  -4.25,  99.90,   0.25,
04/13 05Z,   0.20,  -3.86,  -3.37,  99.90,   0.29,
04/13 06Z,   0.30,  -2.78,  -2.41,  99.90,   0.07,
04/13 07Z,   0.30,  -1.76,  -1.42,  99.90,   0.04,
04/13 08Z,   0.30,  -1.04,  -0.73,  99.90,   0.01,
04/13 09Z,   0.30,  -0.71,  -0.41,  99.90,  -0.00,  (max)
04/13 10Z,   0.30,  -0.82,  -0.60,  99.90,  -0.08,
04/13 11Z,   0.30,  -1.42,  -1.19,  99.90,  -0.07,
04/13 12Z,   0.30,  -2.43,  -2.19,  99.90,  -0.06,
04/13 13Z,   0.20,  -3.61,  -3.47,  99.90,  -0.06,
04/13 14Z,   0.20,  -4.65,  -4.59,  99.90,  -0.14,
04/13 15Z,   0.20,  -5.28,  -5.22,  99.90,  -0.14,  (min)
04/13 16Z,   0.20,  -5.29,  -5.20,  99.90,  -0.11,
04/13 17Z,   0.20,  -4.62,  -4.52,  99.90,  -0.10,
04/13 18Z,   0.20,  -3.49,  -3.38,  99.90,  -0.09,
04/13 19Z,   0.20,  -2.27,  -2.20,  99.90,  -0.13,
04/13 20Z,   0.20,  -1.31,  -1.32,  99.90,  -0.21,
04/13 21Z,   0.20,  -0.80,  -0.80,  99.90,  -0.20,
04/13 22Z,   0.20,  -0.76,  -0.79,  99.90,  -0.23,  (max)
04/13 23Z,   0.30,  -1.23,  -1.18,  99.90,  -0.25,
04/14 00Z,   0.30,  -2.13,  -2.06,  99.90,  -0.23,
04/14 01Z,   0.30,  -3.27,  -3.19,  99.90,  -0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 02Z,   0.30,  -4.36,  99.90,  -4.26,  -0.20,
04/14 03Z,   0.30,  -5.12,  99.90,  -5.01,  -0.18,
04/14 04Z,   0.20,  -5.36,  99.90,  -5.32,  -0.16,  (min)
04/14 05Z,   0.20,  -4.94,  99.90,  -4.88,  -0.14,
04/14 06Z,   0.20,  -3.95,  99.90,  -3.88,  -0.12,
04/14 07Z,   0.30,  -2.72,  99.90,  -2.52,  -0.10,
04/14 08Z,   0.30,  -1.60,  99.90,  -1.38,  -0.08,
04/14 09Z,   0.30,  -0.84,  99.90,  -0.60,  -0.06,
04/14 10Z,   0.30,  -0.53,  99.90,  -0.27,  -0.04,  (max)
04/14 11Z,   0.20,  -0.74,  99.90,  -0.56,  -0.02,
04/14 12Z,   0.10,  -1.49,  99.90,  -1.39,  -0.00,
04/14 13Z,   0.10,  -2.67,  99.90,  -2.55,   0.02,
04/14 14Z,   0.10,  -3.99,  99.90,  -3.87,   0.02,
04/14 15Z,   0.10,  -5.10,  99.90,  -4.99,   0.02,
04/14 16Z,   0.10,  -5.69,  99.90,  -5.58,   0.02,  (min)
04/14 17Z,   0.20,  -5.54,  99.90,  -5.32,   0.02,
04/14 18Z,   0.20,  -4.62,  99.90,  -4.40,   0.02,
04/14 19Z,   0.20,  -3.24,  99.90,  -3.02,   0.02,
04/14 20Z,   0.20,  -1.85,  99.90,  -1.63,   0.02,
04/14 21Z,   0.20,  -0.81,  99.90,  -0.59,   0.02,
04/14 22Z,   0.20,  -0.30,  99.90,  -0.08,   0.02,
04/14 23Z,   0.30,  -0.35,  99.90,  -0.03,   0.02,  (max)
04/15 00Z,   0.30,  -0.95,  99.90,  -0.63,   0.02,
04/15 01Z,   0.20,  -2.04,  99.90,  -1.82,   0.02,
04/15 02Z,   0.20,  -3.37,  99.90,  -3.15,   0.02,
04/15 03Z,   0.20,  -4.62,  99.90,  -4.40,   0.02,
04/15 04Z,   0.10,  -5.47,  99.90,  -5.35,   0.02,
04/15 05Z,   0.10,  -5.68,  99.90,  -5.56,   0.02,  (min)
04/15 06Z,   0.10,  -5.13,  99.90,  -5.01,   0.02,
04/15 07Z,   0.20,  -3.97,  99.90,  -3.75,   0.02,
04/15 08Z,   0.10,  -2.59,  99.90,  -2.47,   0.02,
04/15 09Z,   0.10,  -1.40,  99.90,  -1.28,   0.02,
04/15 10Z,   0.10,  -0.64,  99.90,  -0.52,   0.02,
04/15 11Z,   0.10,  -0.40,  99.90,  -0.28,   0.02,  (max)
04/15 12Z,   0.00,  -0.74,  99.90,  -0.73,   0.02,
04/15 13Z,   0.00,  -1.67,  99.90,  -1.65,   0.02,
04/15 14Z,   0.00,  -3.01,  99.90,  -3.00,   0.02,
04/15 15Z,   0.00,  -4.45,  99.90,  -4.43,   0.02,
04/15 16Z,   0.00,  -5.59,  99.90,  -5.57,   0.02,
04/15 17Z,   0.10,  -6.07,  99.90,  -5.95,   0.02,  (min)
04/15 18Z,   0.10,  -5.67,  99.90,  -5.56,   0.02,
04/15 19Z,   0.10,  -4.48,  99.90,  -4.36,   0.02,
04/15 20Z,   0.20,  -2.85,  99.90,  -2.64,   0.02,
04/15 21Z,   0.20,  -1.33,  99.90,  -1.11,   0.02,
04/15 22Z,   0.20,  -0.27,  99.90,  -0.05,   0.02,
04/15 23Z,   0.20,   0.19,  99.90,   0.41,   0.02,  (max)
04/16 00Z,   0.20,   0.02,  99.90,   0.23,   0.02,
04/16 01Z,   0.20,  -0.77,  99.90,  -0.55,   0.02,
04/16 02Z,   0.10,  -2.05,  99.90,  -1.93,   0.02,
04/16 03Z,   0.10,  -3.56,  99.90,  -3.44,   0.02,
04/16 04Z,   0.10,  -4.93,  99.90,  -4.82,   0.02,
04/16 05Z,   0.10,  -5.82,  99.90,  -5.70,   0.02,
04/16 06Z,   0.10,  -5.94,  99.90,  -5.82,   0.02,  (min)
04/16 07Z,   0.20,  -5.22,  99.90,  -5.00,   0.02,
04/16 08Z,   0.20,  -3.88,  99.90,  -3.66,   0.02,
04/16 09Z,   0.10,  -2.39,  99.90,  -2.28,   0.02,
04/16 10Z,   0.10,  -1.19,  99.90,  -1.07,   0.02,
04/16 11Z,   0.10,  -0.48,  99.90,  -0.36,   0.02,
04/16 12Z,   0.10,  -0.36,  99.90,  -0.24,   0.02,  (max)
04/16 13Z,   0.10,  -0.86,  99.90,  -0.74,   0.02,
04/16 14Z,   0.10,  -1.95,  99.90,  -1.84,   0.02,
04/16 15Z,   0.00,  -3.44,  99.90,  -3.42,   0.02,
04/16 16Z,   0.00,  -4.94,  99.90,  -4.92,   0.02,
04/16 17Z,   0.10,  -6.02,  99.90,  -5.90,   0.02,
04/16 18Z,   0.10,  -6.32,  99.90,  -6.20,   0.02,  (min)
04/16 19Z,   0.10,  -5.66,  99.90,  -5.54,   0.02,
04/16 20Z,   0.20,  -4.19,  99.90,  -3.97,   0.02,
04/16 21Z,   0.30,  -2.38,  99.90,  -2.06,   0.02,
04/16 22Z,   0.30,  -0.79,  99.90,  -0.47,   0.02,
04/16 23Z,   0.30,   0.23,  99.90,   0.55,   0.02,
04/17 00Z,   0.30,   0.58,  99.90,   0.90,   0.02,  (max)
04/17 01Z,   0.30,   0.26,  99.90,   0.57,   0.02,
04/17 02Z,   0.20,  -0.71,  99.90,  -0.49,   0.02,
04/17 03Z,   0.20,  -2.17,  99.90,  -1.95,   0.02,
04/17 04Z,   0.20,  -3.81,  99.90,  -3.59,   0.02,
04/17 05Z,   0.20,  -5.25,  99.90,  -5.03,   0.02,
04/17 06Z,   0.20,  -6.10,  99.90,  -5.88,   0.02,  (min)
04/17 07Z,   0.20,  -6.08,  99.90,  -5.86,   0.02,
04/17 08Z,   0.20,  -5.18,  99.90,  -4.96,   0.02,
04/17 09Z,   0.10,  -3.71,  99.90,  -3.59,   0.02,
04/17 10Z,   0.10,  -2.18,  99.90,  -2.06,   0.02,
04/17 11Z,   0.10,  -1.01,  99.90,  -0.90,   0.02,
04/17 12Z,   0.10,  -0.41,  99.90,  -0.29,   0.02,  (max)
04/17 13Z,   0.10,  -0.42,  99.90,  -0.30,   0.02,
04/17 14Z,   0.10,  -1.07,  99.90,  -0.96,   0.02,
04/17 15Z,   0.10,  -2.31,  99.90,  -2.19,   0.02,
04/17 16Z,   0.10,  -3.88,  99.90,  -3.76,   0.02,
04/17 17Z,   0.10,  -5.37,  99.90,  -5.26,   0.02,
04/17 18Z,   0.10,  -6.34,  99.90,  -6.22,   0.02,