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
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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
#Mytle Beach, Springmaid Pier, SC : 04/13/2026 11:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 12Z,   0.20,   1.39,   1.50,  99.90,  -0.09,
04/11 13Z,   0.20,   1.07,   1.20,  99.90,  -0.07,  (min)
04/11 14Z,   0.10,   1.16,   1.36,  99.90,   0.10,
04/11 15Z,   0.20,   1.60,   1.76,  99.90,  -0.04,
04/11 16Z,   0.20,   2.28,   2.50,  99.90,   0.02,
04/11 17Z,   0.20,   3.04,   3.20,  99.90,  -0.04,
04/11 18Z,   0.20,   3.68,   3.83,  99.90,  -0.05,
04/11 19Z,   0.20,   4.00,   4.08,  99.90,  -0.12,  (max)
04/11 20Z,   0.10,   3.89,   4.04,  99.90,   0.05,
04/11 21Z,   0.10,   3.43,   3.58,  99.90,   0.05,
04/11 22Z,   0.20,   2.76,   2.93,  99.90,  -0.03,
04/11 23Z,   0.20,   2.06,   2.25,  99.90,  -0.01,
04/12 00Z,   0.10,   1.46,   1.68,  99.90,   0.12,
04/12 01Z,   0.10,   1.08,   1.39,  99.90,   0.21,
04/12 02Z,   0.10,   1.05,   1.35,  99.90,   0.20,  (min)
04/12 03Z,   0.10,   1.40,   1.70,  99.90,   0.20,
04/12 04Z,   0.00,   2.09,   2.42,  99.90,   0.33,
04/12 05Z,   0.00,   2.98,   3.27,  99.90,   0.29,
04/12 06Z,   0.00,   3.86,   4.23,  99.90,   0.37,
04/12 07Z,   0.00,   4.50,   4.74,  99.90,   0.24,
04/12 08Z,   0.00,   4.68,   4.92,  99.90,   0.24,  (max)
04/12 09Z,   0.00,   4.35,   4.69,  99.90,   0.34,
04/12 10Z,   0.10,   3.65,   3.98,  99.90,   0.23,
04/12 11Z,   0.10,   2.75,   3.06,  99.90,   0.21,
04/12 12Z,   0.10,   1.86,   2.14,  99.90,   0.18,
04/12 13Z,   0.10,   1.16,   1.58,  99.90,   0.32,
04/12 14Z,   0.10,   0.82,   1.26,  99.90,   0.34,  (min)
04/12 15Z,   0.10,   0.95,   1.30,  99.90,   0.25,
04/12 16Z,   0.10,   1.52,   1.85,  99.90,   0.23,
04/12 17Z,   0.10,   2.37,   2.68,  99.90,   0.21,
04/12 18Z,   0.20,   3.29,   3.60,  99.90,   0.11,
04/12 19Z,   0.20,   4.01,   4.30,  99.90,   0.09,
04/12 20Z,   0.10,   4.33,   4.51,  99.90,   0.08,  (max)
04/12 21Z,   0.10,   4.17,   4.34,  99.90,   0.07,
04/12 22Z,   0.20,   3.63,   3.82,  99.90,  -0.01,
04/12 23Z,   0.20,   2.86,   3.11,  99.90,   0.05,
04/13 00Z,   0.20,   2.04,   2.41,  99.90,   0.17,
04/13 01Z,   0.20,   1.32,   1.68,  99.90,   0.16,
04/13 02Z,   0.20,   0.85,   1.27,  99.90,   0.22,
04/13 03Z,   0.20,   0.79,   1.19,  99.90,   0.20,  (min)
04/13 04Z,   0.20,   1.21,   1.52,  99.90,   0.11,
04/13 05Z,   0.20,   2.03,   2.30,  99.90,   0.07,
04/13 06Z,   0.30,   3.07,   3.32,  99.90,  -0.05,
04/13 07Z,   0.30,   4.05,   4.22,  99.90,  -0.13,
04/13 08Z,   0.30,   4.70,   4.93,  99.90,  -0.07,
04/13 09Z,   0.30,   4.82,   5.02,  99.90,  -0.10,  (max)
04/13 10Z,   0.30,   4.40,   4.65,  99.90,  -0.05,
04/13 11Z,   0.20,   3.57,   3.73,  99.90,  -0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 12Z,   0.20,   2.55,  99.90,   2.73,  -0.01,
04/13 13Z,   0.20,   1.54,  99.90,   1.75,   0.01,
04/13 14Z,   0.20,   0.77,  99.90,   1.01,   0.04,
04/13 15Z,   0.10,   0.47,  99.90,   0.63,   0.07,  (min)
04/13 16Z,   0.10,   0.73,  99.90,   0.92,   0.09,
04/13 17Z,   0.10,   1.51,  99.90,   1.73,   0.12,
04/13 18Z,   0.10,   2.58,  99.90,   2.83,   0.15,
04/13 19Z,   0.20,   3.67,  99.90,   4.04,   0.17,
04/13 20Z,   0.20,   4.47,  99.90,   4.87,   0.20,
04/13 21Z,   0.30,   4.78,  99.90,   5.30,   0.23,  (max)
04/13 22Z,   0.30,   4.53,  99.90,   5.08,   0.25,
04/13 23Z,   0.20,   3.85,  99.90,   4.33,   0.28,
04/14 00Z,   0.20,   2.92,  99.90,   3.40,   0.28,
04/14 01Z,   0.20,   1.92,  99.90,   2.40,   0.28,
04/14 02Z,   0.20,   1.05,  99.90,   1.53,   0.28,
04/14 03Z,   0.20,   0.51,  99.90,   0.99,   0.28,
04/14 04Z,   0.20,   0.49,  99.90,   0.97,   0.28,  (min)
04/14 05Z,   0.20,   1.04,  99.90,   1.52,   0.28,
04/14 06Z,   0.20,   2.04,  99.90,   2.52,   0.28,
04/14 07Z,   0.20,   3.23,  99.90,   3.71,   0.28,
04/14 08Z,   0.20,   4.30,  99.90,   4.78,   0.28,
04/14 09Z,   0.20,   4.95,  99.90,   5.42,   0.28,  (max)
04/14 10Z,   0.10,   4.98,  99.90,   5.36,   0.28,
04/14 11Z,   0.10,   4.41,  99.90,   4.79,   0.28,
04/14 12Z,   0.10,   3.41,  99.90,   3.79,   0.28,
04/14 13Z,   0.10,   2.22,  99.90,   2.60,   0.28,
04/14 14Z,   0.10,   1.09,  99.90,   1.47,   0.28,
04/14 15Z,   0.10,   0.30,  99.90,   0.68,   0.28,
04/14 16Z,   0.10,   0.10,  99.90,   0.48,   0.28,  (min)
04/14 17Z,   0.10,   0.58,  99.90,   0.96,   0.28,
04/14 18Z,   0.10,   1.61,  99.90,   1.99,   0.28,
04/14 19Z,   0.10,   2.93,  99.90,   3.31,   0.28,
04/14 20Z,   0.20,   4.18,  99.90,   4.65,   0.28,
04/14 21Z,   0.20,   5.03,  99.90,   5.51,   0.28,
04/14 22Z,   0.20,   5.28,  99.90,   5.76,   0.28,  (max)
04/14 23Z,   0.20,   4.89,  99.90,   5.37,   0.28,
04/15 00Z,   0.20,   4.01,  99.90,   4.49,   0.28,
04/15 01Z,   0.10,   2.87,  99.90,   3.25,   0.28,
04/15 02Z,   0.10,   1.67,  99.90,   2.05,   0.28,
04/15 03Z,   0.10,   0.67,  99.90,   1.05,   0.28,
04/15 04Z,   0.10,   0.13,  99.90,   0.51,   0.28,  (min)
04/15 05Z,   0.10,   0.21,  99.90,   0.59,   0.28,
04/15 06Z,   0.10,   0.94,  99.90,   1.32,   0.28,
04/15 07Z,   0.10,   2.13,  99.90,   2.50,   0.28,
04/15 08Z,   0.10,   3.46,  99.90,   3.84,   0.28,
04/15 09Z,   0.10,   4.59,  99.90,   4.97,   0.28,
04/15 10Z,   0.10,   5.19,  99.90,   5.57,   0.28,  (max)
04/15 11Z,   0.00,   5.09,  99.90,   5.36,   0.28,
04/15 12Z,   0.00,   4.33,  99.90,   4.61,   0.28,
04/15 13Z,   0.00,   3.13,  99.90,   3.41,   0.28,
04/15 14Z,   0.00,   1.78,  99.90,   2.06,   0.28,
04/15 15Z,   0.00,   0.58,  99.90,   0.86,   0.28,
04/15 16Z,   0.10,  -0.15,  99.90,   0.23,   0.28,
04/15 17Z,   0.10,  -0.18,  99.90,   0.20,   0.28,  (min)
04/15 18Z,   0.10,   0.56,  99.90,   0.93,   0.28,
04/15 19Z,   0.10,   1.86,  99.90,   2.24,   0.28,
04/15 20Z,   0.20,   3.39,  99.90,   3.87,   0.28,
04/15 21Z,   0.20,   4.77,  99.90,   5.25,   0.28,
04/15 22Z,   0.20,   5.62,  99.90,   6.10,   0.28,
04/15 23Z,   0.20,   5.75,  99.90,   6.23,   0.28,  (max)
04/16 00Z,   0.20,   5.16,  99.90,   5.64,   0.28,
04/16 01Z,   0.20,   4.05,  99.90,   4.53,   0.28,
04/16 02Z,   0.10,   2.68,  99.90,   3.06,   0.28,
04/16 03Z,   0.10,   1.33,  99.90,   1.71,   0.28,
04/16 04Z,   0.10,   0.27,  99.90,   0.65,   0.28,
04/16 05Z,   0.10,  -0.21,  99.90,   0.16,   0.28,  (min)
04/16 06Z,   0.20,   0.02,  99.90,   0.50,   0.28,
04/16 07Z,   0.20,   0.93,  99.90,   1.41,   0.28,
04/16 08Z,   0.10,   2.29,  99.90,   2.67,   0.28,
04/16 09Z,   0.10,   3.74,  99.90,   4.12,   0.28,
04/16 10Z,   0.10,   4.88,  99.90,   5.26,   0.28,
04/16 11Z,   0.10,   5.38,  99.90,   5.76,   0.28,  (max)
04/16 12Z,   0.10,   5.09,  99.90,   5.47,   0.28,
04/16 13Z,   0.10,   4.13,  99.90,   4.50,   0.28,
04/16 14Z,   0.10,   2.75,  99.90,   3.13,   0.28,
04/16 15Z,   0.10,   1.29,  99.90,   1.67,   0.28,
04/16 16Z,   0.10,   0.10,  99.90,   0.48,   0.28,
04/16 17Z,   0.10,  -0.51,  99.90,  -0.13,   0.28,  (min)
04/16 18Z,   0.10,  -0.31,  99.90,   0.07,   0.28,
04/16 19Z,   0.20,   0.68,  99.90,   1.16,   0.28,
04/16 20Z,   0.30,   2.23,  99.90,   2.81,   0.28,
04/16 21Z,   0.20,   3.94,  99.90,   4.42,   0.28,
04/16 22Z,   0.20,   5.36,  99.90,   5.84,   0.28,
04/16 23Z,   0.30,   6.14,  99.90,   6.72,   0.28,  (max)
04/17 00Z,   0.20,   6.09,  99.90,   6.57,   0.28,