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 : 04/15/2026 09:22:43 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
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,   0.10,  -2.13,  -2.06,  99.90,  -0.03,
04/14 01Z,   0.10,  -3.27,  -3.19,  99.90,  -0.02,
04/14 02Z,   0.10,  -4.36,  -4.41,  99.90,  -0.15,
04/14 03Z,   0.10,  -5.12,  -5.20,  99.90,  -0.18,
04/14 04Z,   0.10,  -5.36,  -5.36,  99.90,  -0.10,  (min)
04/14 05Z,   0.10,  -4.94,  -4.78,  99.90,   0.06,
04/14 06Z,   0.00,  -3.95,  -3.63,  99.90,   0.32,
04/14 07Z,   0.00,  -2.72,  -2.33,  99.90,   0.39,
04/14 08Z,   0.00,  -1.60,  -1.22,  99.90,   0.38,
04/14 09Z,   0.00,  -0.84,  -0.60,  99.90,   0.24,
04/14 10Z,   0.00,  -0.53,  -0.30,  99.90,   0.23,  (max)
04/14 11Z,   0.00,  -0.74,  -0.56,  99.90,   0.18,
04/14 12Z,   0.00,  -1.49,  -1.37,  99.90,   0.12,
04/14 13Z,   0.00,  -2.67,  -2.54,  99.90,   0.13,
04/14 14Z,   0.00,  -3.99,  -3.96,  99.90,   0.03,
04/14 15Z,   0.00,  -5.10,  -4.99,  99.90,   0.11,
04/14 16Z,   0.10,  -5.69,  -5.53,  99.90,   0.06,  (min)
04/14 17Z,   0.10,  -5.54,  -5.33,  99.90,   0.11,
04/14 18Z,   0.20,  -4.62,  -4.36,  99.90,   0.06,
04/14 19Z,   0.20,  -3.24,  -2.99,  99.90,   0.05,
04/14 20Z,   0.20,  -1.85,  -1.66,  99.90,  -0.01,
04/14 21Z,   0.20,  -0.81,  -0.67,  99.90,  -0.06,
04/14 22Z,   0.20,  -0.30,  -0.24,  99.90,  -0.14,
04/14 23Z,   0.30,  -0.35,  -0.24,  99.90,  -0.19,  (max)
04/15 00Z,   0.20,  -0.95,  -0.81,  99.90,  -0.06,
04/15 01Z,   0.20,  -2.04,  -1.92,  99.90,  -0.08,
04/15 02Z,   0.20,  -3.37,  -3.27,  99.90,  -0.10,
04/15 03Z,   0.20,  -4.62,  -4.52,  99.90,  -0.10,
04/15 04Z,   0.20,  -5.47,  -5.37,  99.90,  -0.10,
04/15 05Z,   0.10,  -5.68,  -5.50,  99.90,   0.08,  (min)
04/15 06Z,   0.10,  -5.13,  -4.84,  99.90,   0.19,
04/15 07Z,   0.20,  -3.97,  -3.66,  99.90,   0.11,
04/15 08Z,   0.20,  -2.59,  -2.26,  99.90,   0.13,
04/15 09Z,   0.10,  -1.40,  -1.15,  99.90,   0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 10Z,   0.10,  -0.64,  99.90,  -0.40,   0.14,
04/15 11Z,   0.10,  -0.40,  99.90,  -0.18,   0.12,  (max)
04/15 12Z,   0.00,  -0.74,  99.90,  -0.63,   0.11,
04/15 13Z,   0.00,  -1.67,  99.90,  -1.56,   0.10,
04/15 14Z,   0.00,  -3.01,  99.90,  -2.92,   0.09,
04/15 15Z,   0.00,  -4.45,  99.90,  -4.37,   0.08,
04/15 16Z,   0.00,  -5.59,  99.90,  -5.51,   0.07,
04/15 17Z,   0.10,  -6.07,  99.90,  -5.90,   0.06,  (min)
04/15 18Z,   0.10,  -5.67,  99.90,  -5.52,   0.05,
04/15 19Z,   0.10,  -4.48,  99.90,  -4.33,   0.04,
04/15 20Z,   0.10,  -2.85,  99.90,  -2.72,   0.03,
04/15 21Z,   0.20,  -1.33,  99.90,  -1.10,   0.02,
04/15 22Z,   0.20,  -0.27,  99.90,  -0.04,   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,   0.24,   0.02,
04/16 01Z,   0.20,  -0.77,  99.90,  -0.55,   0.02,
04/16 02Z,   0.20,  -2.05,  99.90,  -1.83,   0.02,
04/16 03Z,   0.20,  -3.56,  99.90,  -3.34,   0.02,
04/16 04Z,   0.10,  -4.93,  99.90,  -4.81,   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,   0.10,  -5.22,  99.90,  -5.10,   0.02,
04/16 08Z,   0.10,  -3.88,  99.90,  -3.76,   0.02,
04/16 09Z,   0.20,  -2.39,  99.90,  -2.17,   0.02,
04/16 10Z,   0.20,  -1.19,  99.90,  -0.96,   0.02,
04/16 11Z,   0.20,  -0.48,  99.90,  -0.26,   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,  -1.83,   0.02,
04/16 15Z,   0.10,  -3.44,  99.90,  -3.32,   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,   0.20,  -5.66,  99.90,  -5.44,   0.02,
04/16 20Z,   0.20,  -4.19,  99.90,  -3.96,   0.02,
04/16 21Z,   0.30,  -2.38,  99.90,  -2.06,   0.02,
04/16 22Z,   0.30,  -0.79,  99.90,  -0.46,   0.02,
04/16 23Z,   0.30,   0.23,  99.90,   0.56,   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,   0.58,   0.02,
04/17 02Z,   0.30,  -0.71,  99.90,  -0.39,   0.02,
04/17 03Z,   0.30,  -2.17,  99.90,  -1.85,   0.02,
04/17 04Z,   0.30,  -3.81,  99.90,  -3.49,   0.02,
04/17 05Z,   0.20,  -5.25,  99.90,  -5.03,   0.02,
04/17 06Z,   0.20,  -6.10,  99.90,  -5.87,   0.02,  (min)
04/17 07Z,   0.20,  -6.08,  99.90,  -5.86,   0.02,
04/17 08Z,   0.10,  -5.18,  99.90,  -5.06,   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,  -0.89,   0.02,
04/17 12Z,   0.10,  -0.41,  99.90,  -0.29,   0.02,
04/17 13Z,   0.20,  -0.42,  99.90,  -0.20,   0.02,  (max)
04/17 14Z,   0.20,  -1.07,  99.90,  -0.85,   0.02,
04/17 15Z,   0.10,  -2.31,  99.90,  -2.19,   0.02,
04/17 16Z,   0.00,  -3.88,  99.90,  -3.86,   0.02,
04/17 17Z,   0.10,  -5.37,  99.90,  -5.25,   0.02,
04/17 18Z,   0.20,  -6.34,  99.90,  -6.11,   0.02,
04/17 19Z,   0.20,  -6.41,  99.90,  -6.19,   0.02,  (min)
04/17 20Z,   0.30,  -5.49,  99.90,  -5.16,   0.02,
04/17 21Z,   0.40,  -3.80,  99.90,  -3.37,   0.02,
04/17 22Z,   0.40,  -1.89,  99.90,  -1.47,   0.02,
04/17 23Z,   0.40,  -0.32,  99.90,   0.10,   0.02,
04/18 00Z,   0.40,   0.60,  99.90,   1.02,   0.02,
04/18 01Z,   0.40,   0.82,  99.90,   1.24,   0.02,  (max)
04/18 02Z,   0.30,   0.34,  99.90,   0.66,   0.02,
04/18 03Z,   0.30,  -0.78,  99.90,  -0.46,   0.02,
04/18 04Z,   0.30,  -2.36,  99.90,  -2.04,   0.02,
04/18 05Z,   0.30,  -4.07,  99.90,  -3.75,   0.02,
04/18 06Z,   0.30,  -5.50,  99.90,  -5.17,   0.02,
04/18 07Z,   0.40,  -6.24,  99.90,  -5.82,   0.02,  (min)
04/18 08Z,   0.40,  -6.07,  99.90,  -5.65,   0.02,
04/18 09Z,   0.40,  -5.02,  99.90,  -4.60,   0.02,
04/18 10Z,   0.30,  -3.48,  99.90,  -3.16,   0.02,
04/18 11Z,   0.30,  -1.98,  99.90,  -1.66,   0.02,
04/18 12Z,   0.30,  -0.91,  99.90,  -0.59,   0.02,
04/18 13Z,   0.30,  -0.43,  99.90,  -0.11,   0.02,  (max)
04/18 14Z,   0.30,  -0.58,  99.90,  -0.25,   0.02,
04/18 15Z,   0.30,  -1.35,  99.90,  -1.03,   0.02,
04/18 16Z,   0.30,  -2.68,  99.90,  -2.36,   0.02,
04/18 17Z,   0.30,  -4.27,  99.90,  -3.95,   0.02,
04/18 18Z,   0.30,  -5.69,  99.90,  -5.37,   0.02,
04/18 19Z,   0.40,  -6.49,  99.90,  -6.07,   0.02,  (min)
04/18 20Z,   0.40,  -6.34,  99.90,  -5.92,   0.02,
04/18 21Z,   0.50,  -5.20,  99.90,  -4.68,   0.02,
04/18 22Z,   0.50,  -3.38,  99.90,  -2.86,   0.02,
04/18 23Z,   0.50,  -1.48,  99.90,  -0.95,   0.02,
04/19 00Z,   0.60,  -0.00,  99.90,   0.62,   0.02,
04/19 01Z,  99.90,   0.79,  99.90,  99.90,   0.02,
04/19 02Z,  99.90,   0.87,  99.90,  99.90,   0.02,
04/19 03Z,  99.90,   0.27,  99.90,  99.90,   0.02,
04/19 04Z,  99.90,  -0.94,  99.90,  99.90,   0.02,
04/19 05Z,  99.90,  -2.58,  99.90,  99.90,   0.02,
04/19 06Z,  99.90,  -4.28,  99.90,  99.90,   0.02,