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 : 05/15/2026 13:21:38 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 18Z,   0.60,   2.51,   3.28,  99.90,   0.17,
05/13 19Z,   0.60,   3.95,   4.81,  99.90,   0.26,
05/13 20Z,   0.60,   5.09,   5.79,  99.90,   0.10,
05/13 21Z,   0.60,   5.65,   6.17,  99.90,  -0.08,  (max)
05/13 22Z,   0.70,   5.51,   5.98,  99.90,  -0.23,
05/13 23Z,   0.70,   4.77,   5.29,  99.90,  -0.18,
05/14 00Z,   0.60,   3.65,   4.26,  99.90,   0.01,
05/14 01Z,   0.60,   2.40,   3.14,  99.90,   0.14,
05/14 02Z,   0.60,   1.25,   2.00,  99.90,   0.15,
05/14 03Z,   0.60,   0.44,   1.20,  99.90,   0.16,
05/14 04Z,   0.60,   0.19,   0.94,  99.90,   0.15,  (min)
05/14 05Z,   0.50,   0.57,   1.31,  99.90,   0.24,
05/14 06Z,   0.50,   1.52,   2.29,  99.90,   0.27,
05/14 07Z,   0.50,   2.77,   3.66,  99.90,   0.39,
05/14 08Z,   0.50,   3.99,   4.98,  99.90,   0.49,
05/14 09Z,   0.50,   4.82,   5.71,  99.90,   0.39,
05/14 10Z,   0.50,   5.00,   5.79,  99.90,   0.29,  (max)
05/14 11Z,   0.50,   4.48,   5.20,  99.90,   0.22,
05/14 12Z,   0.40,   3.43,   4.00,  99.90,   0.17,
05/14 13Z,   0.40,   2.12,   2.70,  99.90,   0.18,
05/14 14Z,   0.40,   0.85,   1.42,  99.90,   0.17,
05/14 15Z,   0.40,  -0.08,   0.38,  99.90,   0.06,
05/14 16Z,   0.40,  -0.38,   0.11,  99.90,   0.09,  (min)
05/14 17Z,   0.40,   0.09,   0.72,  99.90,   0.23,
05/14 18Z,   0.60,   1.25,   1.89,  99.90,   0.04,
05/14 19Z,   0.60,   2.82,   3.60,  99.90,   0.18,
05/14 20Z,   0.60,   4.41,   5.24,  99.90,   0.23,
05/14 21Z,   0.60,   5.62,   6.32,  99.90,   0.10,
05/14 22Z,   0.60,   6.15,   6.63,  99.90,  -0.12,  (max)
05/14 23Z,   0.60,   5.89,   6.36,  99.90,  -0.13,
05/15 00Z,   0.50,   4.97,   5.44,  99.90,  -0.03,
05/15 01Z,   0.50,   3.65,   4.13,  99.90,  -0.02,
05/15 02Z,   0.50,   2.22,   2.76,  99.90,   0.04,
05/15 03Z,   0.40,   0.94,   1.45,  99.90,   0.11,
05/15 04Z,   0.30,   0.08,   0.41,  99.90,   0.03,
05/15 05Z,   0.30,  -0.13,   0.12,  99.90,  -0.05,  (min)
05/15 06Z,   0.40,   0.38,   0.80,  99.90,   0.02,
05/15 07Z,   0.30,   1.47,   2.15,  99.90,   0.38,
05/15 08Z,   0.30,   2.85,   3.66,  99.90,   0.51,
05/15 09Z,   0.40,   4.15,   4.99,  99.90,   0.44,
05/15 10Z,   0.50,   4.98,   5.66,  99.90,   0.18,  (max)
05/15 11Z,   0.50,   5.09,   5.62,  99.90,   0.03,
05/15 12Z,   0.60,   4.45,   4.89,  99.90,  -0.16,
05/15 13Z,   0.60,   3.26,   3.79,  99.90,  -0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 14Z,   0.50,   1.83,  99.90,   2.28,  -0.06,
05/15 15Z,   0.40,   0.50,  99.90,   0.86,  -0.04,
05/15 16Z,   0.40,  -0.40,  99.90,  -0.03,  -0.03,
05/15 17Z,   0.50,  -0.59,  99.90,  -0.10,  -0.01,  (min)
05/15 18Z,   0.50,   0.06,  99.90,   0.57,   0.01,
05/15 19Z,   0.60,   1.42,  99.90,   2.04,   0.02,
05/15 20Z,   0.60,   3.16,  99.90,   3.80,   0.04,
05/15 21Z,   0.50,   4.86,  99.90,   5.41,   0.05,
05/15 22Z,   0.50,   6.09,  99.90,   6.66,   0.07,
05/15 23Z,   0.40,   6.54,  99.90,   7.03,   0.08,  (max)
05/16 00Z,   0.40,   6.14,  99.90,   6.64,   0.10,
05/16 01Z,   0.50,   5.04,  99.90,   5.66,   0.12,
05/16 02Z,   0.50,   3.55,  99.90,   4.17,   0.12,
05/16 03Z,   0.50,   1.98,  99.90,   2.59,   0.12,
05/16 04Z,   0.40,   0.62,  99.90,   1.14,   0.12,
05/16 05Z,   0.40,  -0.23,  99.90,   0.29,   0.12,
05/16 06Z,   0.40,  -0.35,  99.90,   0.16,   0.12,  (min)
05/16 07Z,   0.40,   0.28,  99.90,   0.79,   0.12,
05/16 08Z,   0.50,   1.50,  99.90,   2.11,   0.12,
05/16 09Z,   0.50,   2.98,  99.90,   3.60,   0.12,
05/16 10Z,   0.50,   4.32,  99.90,   4.94,   0.12,
05/16 11Z,   0.50,   5.12,  99.90,   5.73,   0.12,  (max)
05/16 12Z,   0.40,   5.12,  99.90,   5.64,   0.12,
05/16 13Z,   0.40,   4.36,  99.90,   4.88,   0.12,
05/16 14Z,   0.30,   3.06,  99.90,   3.48,   0.12,
05/16 15Z,   0.30,   1.56,  99.90,   1.98,   0.12,
05/16 16Z,   0.40,   0.22,  99.90,   0.74,   0.12,
05/16 17Z,   0.40,  -0.62,  99.90,  -0.10,   0.12,
05/16 18Z,   0.40,  -0.68,  99.90,  -0.17,   0.12,  (min)
05/16 19Z,   0.40,   0.13,  99.90,   0.64,   0.12,
05/16 20Z,   0.40,   1.64,  99.90,   2.16,   0.12,
05/16 21Z,   0.40,   3.50,  99.90,   4.02,   0.12,
05/16 22Z,   0.40,   5.25,  99.90,   5.76,   0.12,
05/16 23Z,   0.40,   6.43,  99.90,   6.95,   0.12,
05/17 00Z,   0.50,   6.77,  99.90,   7.38,   0.12,  (max)
05/17 01Z,   0.40,   6.21,  99.90,   6.73,   0.12,
05/17 02Z,   0.40,   4.98,  99.90,   5.49,   0.12,
05/17 03Z,   0.50,   3.38,  99.90,   4.00,   0.12,
05/17 04Z,   0.50,   1.75,  99.90,   2.36,   0.12,
05/17 05Z,   0.50,   0.39,  99.90,   1.00,   0.12,
05/17 06Z,   0.50,  -0.42,  99.90,   0.20,   0.12,
05/17 07Z,   0.50,  -0.45,  99.90,   0.16,   0.12,  (min)
05/17 08Z,   0.50,   0.29,  99.90,   0.90,   0.12,
05/17 09Z,   0.40,   1.61,  99.90,   2.12,   0.12,
05/17 10Z,   0.40,   3.14,  99.90,   3.66,   0.12,
05/17 11Z,   0.40,   4.46,  99.90,   4.98,   0.12,
05/17 12Z,   0.40,   5.17,  99.90,   5.69,   0.12,  (max)
05/17 13Z,   0.30,   5.07,  99.90,   5.49,   0.12,
05/17 14Z,   0.30,   4.21,  99.90,   4.63,   0.12,
05/17 15Z,   0.30,   2.86,  99.90,   3.28,   0.12,
05/17 16Z,   0.30,   1.36,  99.90,   1.77,   0.12,
05/17 17Z,   0.30,   0.05,  99.90,   0.47,   0.12,
05/17 18Z,   0.40,  -0.71,  99.90,  -0.20,   0.12,  (min)
05/17 19Z,   0.40,  -0.66,  99.90,  -0.14,   0.12,
05/17 20Z,   0.40,   0.27,  99.90,   0.79,   0.12,
05/17 21Z,   0.40,   1.89,  99.90,   2.40,   0.12,
05/17 22Z,   0.40,   3.79,  99.90,   4.30,   0.12,
05/17 23Z,   0.40,   5.50,  99.90,   6.01,   0.12,
05/18 00Z,   0.40,   6.58,  99.90,   7.09,   0.12,
05/18 01Z,   0.40,   6.78,  99.90,   7.30,   0.12,  (max)
05/18 02Z,   0.40,   6.11,  99.90,   6.63,   0.12,
05/18 03Z,   0.40,   4.82,  99.90,   5.33,   0.12,
05/18 04Z,   0.40,   3.20,  99.90,   3.72,   0.12,
05/18 05Z,   0.30,   1.58,  99.90,   2.00,   0.12,
05/18 06Z,   0.30,   0.26,  99.90,   0.67,   0.12,
05/18 07Z,   0.30,  -0.48,  99.90,  -0.06,   0.12,  (min)
05/18 08Z,   0.30,  -0.42,  99.90,  -0.00,   0.12,
05/18 09Z,   0.30,   0.41,  99.90,   0.82,   0.12,
05/18 10Z,   0.30,   1.77,  99.90,   2.18,   0.12,
05/18 11Z,   0.30,   3.28,  99.90,   3.70,   0.12,
05/18 12Z,   0.20,   4.52,  99.90,   4.84,   0.12,
05/18 13Z,   0.20,   5.13,  99.90,   5.45,   0.12,  (max)
05/18 14Z,   0.20,   4.94,  99.90,   5.26,   0.12,
05/18 15Z,   0.10,   4.06,  99.90,   4.27,   0.12,
05/18 16Z,   0.10,   2.72,  99.90,   2.94,   0.12,
05/18 17Z,   0.20,   1.26,  99.90,   1.58,   0.12,
05/18 18Z,   0.20,   0.01,  99.90,   0.33,   0.12,
05/18 19Z,   0.20,  -0.68,  99.90,  -0.36,   0.12,  (min)
05/18 20Z,   0.20,  -0.53,  99.90,  -0.22,   0.12,
05/18 21Z,   0.20,   0.48,  99.90,   0.79,   0.12,
05/18 22Z,   0.20,   2.11,  99.90,   2.43,   0.12,
05/18 23Z,   0.20,   3.96,  99.90,   4.28,   0.12,
05/19 00Z,   0.30,   5.56,  99.90,   5.98,   0.12,
05/19 01Z,   0.30,   6.51,  99.90,   6.92,   0.12,
05/19 02Z,   0.30,   6.60,  99.90,   7.02,   0.12,  (max)
05/19 03Z,   0.30,   5.90,  99.90,   6.32,   0.12,
05/19 04Z,   0.30,   4.62,  99.90,   5.04,   0.12,
05/19 05Z,   0.20,   3.06,  99.90,   3.37,   0.12,
05/19 06Z,   0.20,   1.49,  99.90,   1.81,   0.12,