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
Surge List
#Charleston, SC : 07/04/2025 20:22:36 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/03 00Z,   0.30,   1.13,   1.28,  99.90,  -0.15,
07/03 01Z,   0.30,   1.05,   1.15,  99.90,  -0.20,  (min)
07/03 02Z,   0.40,   1.54,   1.53,  99.90,  -0.41,
07/03 03Z,   0.30,   2.42,   2.50,  99.90,  -0.22,
07/03 04Z,   0.30,   3.39,   3.56,  99.90,  -0.13,
07/03 05Z,   0.30,   4.18,   4.39,  99.90,  -0.09,
07/03 06Z,   0.30,   4.61,   4.82,  99.90,  -0.09,
07/03 07Z,   0.30,   4.60,   4.85,  99.90,  -0.05,  (max)
07/03 08Z,   0.30,   4.12,   4.45,  99.90,   0.03,
07/03 09Z,   0.30,   3.26,   3.42,  99.90,  -0.14,
07/03 10Z,   0.30,   2.25,   2.31,  99.90,  -0.24,
07/03 11Z,   0.30,   1.33,   1.32,  99.90,  -0.31,
07/03 12Z,   0.30,   0.71,   0.82,  99.90,  -0.19,  (min)
07/03 13Z,   0.30,   0.53,   0.87,  99.90,   0.04,
07/03 14Z,   0.30,   0.90,   1.31,  99.90,   0.11,
07/03 15Z,   0.30,   1.74,   2.24,  99.90,   0.20,
07/03 16Z,   0.30,   2.81,   3.27,  99.90,   0.16,
07/03 17Z,   0.30,   3.83,   4.17,  99.90,   0.04,
07/03 18Z,   0.50,   4.61,   4.82,  99.90,  -0.29,
07/03 19Z,   0.50,   5.03,   5.26,  99.90,  -0.27,
07/03 20Z,   0.50,   4.99,   5.29,  99.90,  -0.20,  (max)
07/03 21Z,   0.50,   4.45,   4.87,  99.90,  -0.08,
07/03 22Z,   0.50,   3.58,   4.10,  99.90,   0.02,
07/03 23Z,   0.50,   2.59,   2.86,  99.90,  -0.23,
07/04 00Z,   0.50,   1.73,   1.98,  99.90,  -0.25,
07/04 01Z,   0.50,   1.19,   1.43,  99.90,  -0.26,  (min)
07/04 02Z,   0.50,   1.15,   1.57,  99.90,  -0.08,
07/04 03Z,   0.50,   1.65,   2.14,  99.90,  -0.01,
07/04 04Z,   0.50,   2.50,   3.22,  99.90,   0.22,
07/04 05Z,   0.40,   3.41,   4.12,  99.90,   0.31,
07/04 06Z,   0.50,   4.11,   4.87,  99.90,   0.26,
07/04 07Z,   0.50,   4.45,   5.06,  99.90,   0.11,  (max)
07/04 08Z,   0.50,   4.35,   4.85,  99.90,  -0.00,
07/04 09Z,   0.50,   3.80,   4.39,  99.90,   0.09,
07/04 10Z,   0.50,   2.92,   3.56,  99.90,   0.14,
07/04 11Z,   0.60,   1.96,   2.65,  99.90,   0.09,
07/04 12Z,   0.60,   1.14,   1.86,  99.90,   0.12,
07/04 13Z,   0.60,   0.65,   1.50,  99.90,   0.25,
07/04 14Z,   0.60,   0.61,   1.45,  99.90,   0.24,  (min)
07/04 15Z,   0.60,   1.09,   2.01,  99.90,   0.32,
07/04 16Z,   0.70,   2.01,   3.05,  99.90,   0.34,
07/04 17Z,   0.70,   3.11,   4.02,  99.90,   0.21,
07/04 18Z,   0.70,   4.12,   4.92,  99.90,   0.10,
07/04 19Z,   0.80,   4.85,   5.56,  99.90,  -0.09,
07/04 20Z,   0.80,   5.19,   5.88,  99.90,  -0.11,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/04 21Z,   0.80,   5.05,  99.90,   5.75,  -0.10,
07/04 22Z,   0.80,   4.44,  99.90,   5.15,  -0.09,
07/04 23Z,   0.80,   3.52,  99.90,   4.24,  -0.08,
07/05 00Z,   0.80,   2.52,  99.90,   3.25,  -0.06,
07/05 01Z,   0.80,   1.66,  99.90,   2.41,  -0.05,
07/05 02Z,   0.90,   1.15,  99.90,   2.01,  -0.04,  (min)
07/05 03Z,   0.90,   1.15,  99.90,   2.02,  -0.03,
07/05 04Z,   0.90,   1.69,  99.90,   2.57,  -0.02,
07/05 05Z,   0.90,   2.56,  99.90,   3.45,  -0.01,
07/05 06Z,   0.90,   3.44,  99.90,   4.34,   0.00,
07/05 07Z,   0.90,   4.08,  99.90,   4.99,   0.01,
07/05 08Z,   0.90,   4.35,  99.90,   5.27,   0.03,  (max)
07/05 09Z,   1.00,   4.17,  99.90,   5.19,   0.03,
07/05 10Z,   1.00,   3.55,  99.90,   4.58,   0.03,
07/05 11Z,   0.90,   2.66,  99.90,   3.58,   0.03,
07/05 12Z,   0.90,   1.73,  99.90,   2.65,   0.03,
07/05 13Z,   1.00,   0.98,  99.90,   2.01,   0.03,
07/05 14Z,   1.00,   0.59,  99.90,   1.61,   0.03,  (min)
07/05 15Z,   1.00,   0.67,  99.90,   1.69,   0.03,
07/05 16Z,   1.10,   1.28,  99.90,   2.40,   0.03,
07/05 17Z,   1.20,   2.29,  99.90,   3.51,   0.03,
07/05 18Z,   1.40,   3.42,  99.90,   4.84,   0.03,
07/05 19Z,   1.50,   4.40,  99.90,   5.93,   0.03,
07/05 20Z,   1.20,   5.08,  99.90,   6.31,   0.03,
07/05 21Z,   1.40,   5.34,  99.90,   6.77,   0.03,  (max)
07/05 22Z,   1.40,   5.11,  99.90,   6.54,   0.03,
07/05 23Z,   1.20,   4.41,  99.90,   5.63,   0.03,
07/06 00Z,   1.10,   3.42,  99.90,   4.54,   0.03,
07/06 01Z,   1.00,   2.38,  99.90,   3.40,   0.03,
07/06 02Z,   1.00,   1.51,  99.90,   2.53,   0.03,
07/06 03Z,   1.00,   1.03,  99.90,   2.06,   0.03,  (min)
07/06 04Z,   1.00,   1.11,  99.90,   2.13,   0.03,
07/06 05Z,   1.00,   1.72,  99.90,   2.75,   0.03,
07/06 06Z,   0.90,   2.63,  99.90,   3.55,   0.03,
07/06 07Z,   0.90,   3.50,  99.90,   4.42,   0.03,
07/06 08Z,   0.90,   4.10,  99.90,   5.02,   0.03,
07/06 09Z,   0.90,   4.30,  99.90,   5.23,   0.03,  (max)
07/06 10Z,   0.90,   4.05,  99.90,   4.97,   0.03,
07/06 11Z,   0.80,   3.37,  99.90,   4.20,   0.03,
07/06 12Z,   0.70,   2.45,  99.90,   3.18,   0.03,
07/06 13Z,   0.60,   1.53,  99.90,   2.16,   0.03,
07/06 14Z,   0.60,   0.83,  99.90,   1.46,   0.03,
07/06 15Z,   0.50,   0.52,  99.90,   1.04,   0.03,  (min)
07/06 16Z,   0.50,   0.72,  99.90,   1.25,   0.03,
07/06 17Z,   0.50,   1.46,  99.90,   1.99,   0.03,
07/06 18Z,   0.50,   2.57,  99.90,   3.09,   0.03,
07/06 19Z,   0.30,   3.73,  99.90,   4.06,   0.03,
07/06 20Z,   0.20,   4.70,  99.90,   4.92,   0.03,
07/06 21Z,   0.30,   5.31,  99.90,   5.64,   0.03,
07/06 22Z,   0.30,   5.48,  99.90,   5.81,   0.03,  (max)
07/06 23Z,   0.30,   5.14,  99.90,   5.46,   0.03,
07/07 00Z,   0.30,   4.33,  99.90,   4.66,   0.03,
07/07 01Z,   0.30,   3.25,  99.90,   3.58,   0.03,
07/07 02Z,   0.20,   2.16,  99.90,   2.38,   0.03,
07/07 03Z,   0.20,   1.28,  99.90,   1.51,   0.03,
07/07 04Z,   0.20,   0.87,  99.90,   1.09,   0.03,  (min)
07/07 05Z,   0.30,   1.06,  99.90,   1.38,   0.03,
07/07 06Z,   0.30,   1.78,  99.90,   2.10,   0.03,
07/07 07Z,   0.30,   2.74,  99.90,   3.07,   0.03,
07/07 08Z,   0.30,   3.61,  99.90,   3.93,   0.03,
07/07 09Z,   0.30,   4.16,  99.90,   4.49,   0.03,
07/07 10Z,   0.20,   4.30,  99.90,   4.53,   0.03,  (max)
07/07 11Z,   0.20,   3.97,  99.90,   4.20,   0.03,
07/07 12Z,   0.20,   3.23,  99.90,   3.45,   0.03,
07/07 13Z,   0.20,   2.26,  99.90,   2.49,   0.03,
07/07 14Z,   0.20,   1.33,  99.90,   1.56,   0.03,
07/07 15Z,   0.30,   0.66,  99.90,   0.99,   0.03,
07/07 16Z,   0.30,   0.44,  99.90,   0.76,   0.03,  (min)
07/07 17Z,   0.20,   0.78,  99.90,   1.01,   0.03,
07/07 18Z,   0.30,   1.67,  99.90,   2.00,   0.03,
07/07 19Z,   0.30,   2.87,  99.90,   3.20,   0.03,
07/07 20Z,   0.30,   4.06,  99.90,   4.38,   0.03,
07/07 21Z,   0.30,   4.99,  99.90,   5.31,   0.03,
07/07 22Z,   0.30,   5.53,  99.90,   5.85,   0.03,  (max)
07/07 23Z,   0.20,   5.59,  99.90,   5.82,   0.03,
07/08 00Z,   0.20,   5.12,  99.90,   5.35,   0.03,
07/08 01Z,   0.30,   4.19,  99.90,   4.52,   0.03,
07/08 02Z,   0.20,   3.02,  99.90,   3.24,   0.03,
07/08 03Z,   0.10,   1.87,  99.90,   1.99,   0.03,
07/08 04Z,   0.10,   1.02,  99.90,   1.14,   0.03,
07/08 05Z,   0.10,   0.70,  99.90,   0.83,   0.03,  (min)
07/08 06Z,   0.10,   1.04,  99.90,   1.17,   0.03,
07/08 07Z,   0.10,   1.90,  99.90,   2.02,   0.03,
07/08 08Z,   0.20,   2.92,  99.90,   3.14,   0.03,
07/08 09Z,   0.20,   3.77,  99.90,   4.00,   0.03,
07/08 10Z,   0.10,   4.27,  99.90,   4.39,   0.03,
07/08 11Z,   0.10,   4.32,  99.90,   4.45,   0.03,  (max)
07/08 12Z,   0.10,   3.90,  99.90,   4.03,   0.03,