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

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
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
#Mytle Beach, Springmaid Pier, SC : 04/17/2026 02:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 06Z,   0.20,   0.94,   1.10,  99.90,  -0.04,
04/15 07Z,   0.20,   2.13,   2.19,  99.90,  -0.14,
04/15 08Z,   0.20,   3.46,   3.46,  99.90,  -0.20,
04/15 09Z,   0.20,   4.59,   4.52,  99.90,  -0.27,
04/15 10Z,   0.10,   5.19,   5.15,  99.90,  -0.14,
04/15 11Z,   0.10,   5.09,   5.15,  99.90,  -0.04,  (max)
04/15 12Z,   0.10,   4.33,   4.43,  99.90,   0.00,
04/15 13Z,   0.10,   3.13,   3.32,  99.90,   0.09,
04/15 14Z,   0.10,   1.78,   1.96,  99.90,   0.08,
04/15 15Z,   0.10,   0.58,   0.63,  99.90,  -0.05,
04/15 16Z,   0.20,  -0.15,  -0.21,  99.90,  -0.26,  (min)
04/15 17Z,   0.20,  -0.18,  -0.11,  99.90,  -0.13,
04/15 18Z,   0.30,   0.56,   0.74,  99.90,  -0.12,
04/15 19Z,   0.30,   1.86,   1.97,  99.90,  -0.19,
04/15 20Z,   0.30,   3.39,   3.60,  99.90,  -0.09,
04/15 21Z,   0.20,   4.77,   4.84,  99.90,  -0.13,
04/15 22Z,   0.30,   5.62,   5.63,  99.90,  -0.29,
04/15 23Z,   0.30,   5.75,   5.65,  99.90,  -0.40,  (max)
04/16 00Z,   0.20,   5.16,   5.09,  99.90,  -0.27,
04/16 01Z,   0.20,   4.05,   3.99,  99.90,  -0.26,
04/16 02Z,   0.20,   2.68,   2.70,  99.90,  -0.18,
04/16 03Z,   0.20,   1.33,   1.43,  99.90,  -0.10,
04/16 04Z,   0.20,   0.27,   0.38,  99.90,  -0.09,
04/16 05Z,   0.20,  -0.21,  -0.11,  99.90,  -0.10,  (min)
04/16 06Z,   0.20,   0.02,   0.04,  99.90,  -0.18,
04/16 07Z,   0.20,   0.93,   0.92,  99.90,  -0.21,
04/16 08Z,   0.20,   2.29,   2.27,  99.90,  -0.22,
04/16 09Z,   0.20,   3.74,   3.79,  99.90,  -0.15,
04/16 10Z,   0.20,   4.88,   4.99,  99.90,  -0.09,
04/16 11Z,   0.20,   5.38,   5.51,  99.90,  -0.07,  (max)
04/16 12Z,   0.10,   5.09,   5.08,  99.90,  -0.11,
04/16 13Z,   0.10,   4.13,   4.08,  99.90,  -0.15,
04/16 14Z,   0.10,   2.75,   2.67,  99.90,  -0.18,
04/16 15Z,   0.10,   1.29,   1.16,  99.90,  -0.23,
04/16 16Z,   0.10,   0.10,  -0.03,  99.90,  -0.23,
04/16 17Z,   0.10,  -0.51,  -0.56,  99.90,  -0.15,  (min)
04/16 18Z,   0.20,  -0.31,  -0.19,  99.90,  -0.08,
04/16 19Z,   0.20,   0.68,   0.76,  99.90,  -0.12,
04/16 20Z,   0.20,   2.23,   2.51,  99.90,   0.08,
04/16 21Z,   0.20,   3.94,   4.31,  99.90,   0.17,
04/16 22Z,   0.30,   5.36,   5.58,  99.90,  -0.08,
04/16 23Z,   0.30,   6.14,   6.17,  99.90,  -0.27,  (max)
04/17 00Z,   0.30,   6.09,   6.14,  99.90,  -0.25,
04/17 01Z,   0.30,   5.27,   5.32,  99.90,  -0.25,
04/17 02Z,   0.30,   3.94,   4.06,  99.90,  -0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 03Z,   0.20,   2.40,  99.90,   2.44,  -0.16,
04/17 04Z,   0.20,   0.97,  99.90,   1.02,  -0.15,
04/17 05Z,   0.20,  -0.07,  99.90,  -0.01,  -0.14,
04/17 06Z,   0.20,  -0.46,  99.90,  -0.38,  -0.13,  (min)
04/17 07Z,   0.20,  -0.06,  99.90,   0.03,  -0.11,
04/17 08Z,   0.20,   1.03,  99.90,   1.13,  -0.10,
04/17 09Z,   0.20,   2.53,  99.90,   2.64,  -0.09,
04/17 10Z,   0.20,   4.02,  99.90,   4.15,  -0.08,
04/17 11Z,   0.10,   5.10,  99.90,   5.14,  -0.06,
04/17 12Z,   0.10,   5.44,  99.90,   5.49,  -0.05,  (max)
04/17 13Z,   0.10,   4.96,  99.90,   5.02,  -0.04,
04/17 14Z,   0.10,   3.82,  99.90,   3.89,  -0.02,
04/17 15Z,   0.10,   2.33,  99.90,   2.41,  -0.02,
04/17 16Z,   0.10,   0.85,  99.90,   0.93,  -0.02,
04/17 17Z,   0.20,  -0.27,  99.90,  -0.09,  -0.02,
04/17 18Z,   0.20,  -0.71,  99.90,  -0.53,  -0.02,  (min)
04/17 19Z,   0.20,  -0.28,  99.90,  -0.11,  -0.02,
04/17 20Z,   0.20,   0.95,  99.90,   1.12,  -0.02,
04/17 21Z,   0.30,   2.68,  99.90,   2.96,  -0.02,
04/17 22Z,   0.30,   4.48,  99.90,   4.75,  -0.02,
04/17 23Z,   0.30,   5.86,  99.90,   6.14,  -0.02,
04/18 00Z,   0.30,   6.49,  99.90,   6.77,  -0.02,  (max)
04/18 01Z,   0.30,   6.23,  99.90,   6.50,  -0.02,
04/18 02Z,   0.20,   5.20,  99.90,   5.38,  -0.02,
04/18 03Z,   0.20,   3.72,  99.90,   3.90,  -0.02,
04/18 04Z,   0.20,   2.11,  99.90,   2.29,  -0.02,
04/18 05Z,   0.30,   0.67,  99.90,   0.95,  -0.02,
04/18 06Z,   0.30,  -0.30,  99.90,  -0.03,  -0.02,
04/18 07Z,   0.40,  -0.55,  99.90,  -0.18,  -0.02,  (min)
04/18 08Z,   0.40,   0.00,  99.90,   0.38,  -0.02,
04/18 09Z,   0.30,   1.22,  99.90,   1.50,  -0.02,
04/18 10Z,   0.30,   2.78,  99.90,   3.06,  -0.02,
04/18 11Z,   0.20,   4.25,  99.90,   4.42,  -0.02,
04/18 12Z,   0.30,   5.20,  99.90,   5.47,  -0.02,
04/18 13Z,   0.30,   5.36,  99.90,   5.63,  -0.02,  (max)
04/18 14Z,   0.30,   4.71,  99.90,   4.99,  -0.02,
04/18 15Z,   0.30,   3.47,  99.90,   3.74,  -0.02,
04/18 16Z,   0.30,   1.96,  99.90,   2.23,  -0.02,
04/18 17Z,   0.30,   0.53,  99.90,   0.80,  -0.02,
04/18 18Z,   0.30,  -0.47,  99.90,  -0.20,  -0.02,
04/18 19Z,   0.40,  -0.73,  99.90,  -0.36,  -0.02,  (min)
04/18 20Z,   0.40,  -0.10,  99.90,   0.27,  -0.02,
04/18 21Z,   0.40,   1.30,  99.90,   1.68,  -0.02,
04/18 22Z,   0.40,   3.13,  99.90,   3.50,  -0.02,
04/18 23Z,   0.40,   4.90,  99.90,   5.28,  -0.02,
04/19 00Z,   0.40,   6.16,  99.90,   6.54,  -0.02,
04/19 01Z,   0.40,   6.60,  99.90,   6.98,  -0.02,  (max)
04/19 02Z,   0.40,   6.16,  99.90,   6.54,  -0.02,
04/19 03Z,   0.50,   5.02,  99.90,   5.50,  -0.02,
04/19 04Z,   0.50,   3.49,  99.90,   3.97,  -0.02,
04/19 05Z,   0.50,   1.88,  99.90,   2.36,  -0.02,
04/19 06Z,   0.40,   0.49,  99.90,   0.87,  -0.02,
04/19 07Z,   0.40,  -0.38,  99.90,  -0.00,  -0.02,
04/19 08Z,   0.40,  -0.50,  99.90,  -0.12,  -0.02,  (min)
04/19 09Z,   0.40,   0.18,  99.90,   0.56,  -0.02,
04/19 10Z,   0.40,   1.47,  99.90,   1.84,  -0.02,
04/19 11Z,   0.40,   3.00,  99.90,   3.38,  -0.02,
04/19 12Z,   0.40,   4.35,  99.90,   4.73,  -0.02,
04/19 13Z,   0.50,   5.14,  99.90,   5.61,  -0.02,  (max)
04/19 14Z,   0.40,   5.15,  99.90,   5.53,  -0.02,
04/19 15Z,   0.30,   4.42,  99.90,   4.69,  -0.02,
04/19 16Z,   0.30,   3.17,  99.90,   3.44,  -0.02,
04/19 17Z,   0.10,   1.70,  99.90,   1.78,  -0.02,
04/19 18Z,   0.00,   0.36,  99.90,   0.34,  -0.02,
04/19 19Z,   0.00,  -0.51,  99.90,  -0.53,  -0.02,
04/19 20Z,  -0.10,  -0.61,  99.90,  -0.73,  -0.02,  (min)
04/19 21Z,  -0.10,   0.17,  99.90,   0.05,  -0.02,
04/19 22Z,  -0.10,   1.66,  99.90,   1.54,  -0.02,
04/19 23Z,   0.00,   3.47,  99.90,   3.44,  -0.02,
04/20 00Z,   0.20,   5.12,  99.90,   5.30,  -0.02,
04/20 01Z,   0.50,   6.21,  99.90,   6.69,  -0.02,
04/20 02Z,   0.70,   6.49,  99.90,   7.17,  -0.02,  (max)
04/20 03Z,   0.80,   5.96,  99.90,   6.73,  -0.02,
04/20 04Z,   0.70,   4.80,  99.90,   5.47,  -0.02,
04/20 05Z,   0.50,   3.30,  99.90,   3.78,  -0.02,
04/20 06Z,   0.30,   1.76,  99.90,   2.03,  -0.02,
04/20 07Z,   0.30,   0.46,  99.90,   0.73,  -0.02,
04/20 08Z,   0.40,  -0.30,  99.90,   0.08,  -0.02,  (min)
04/20 09Z,   0.60,  -0.31,  99.90,   0.27,  -0.02,
04/20 10Z,   0.60,   0.44,  99.90,   1.01,  -0.02,
04/20 11Z,   0.50,   1.70,  99.90,   2.17,  -0.02,
04/20 12Z,   0.40,   3.12,  99.90,   3.49,  -0.02,
04/20 13Z,   0.30,   4.31,  99.90,   4.58,  -0.02,
04/20 14Z,   0.30,   4.95,  99.90,   5.23,  -0.02,
04/20 15Z,   0.40,   4.89,  99.90,   5.27,  -0.02,  (max)
04/20 16Z,   0.40,   4.17,  99.90,   4.54,  -0.02,
04/20 17Z,   0.50,   2.97,  99.90,   3.45,  -0.02,
04/20 18Z,   0.40,   1.59,  99.90,   1.97,  -0.02,