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
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
#Adak Island, AK : 03/16/2026 09:21:14 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/14 18Z,  -1.30,   3.49,   2.44,  99.90,   0.25,
03/14 19Z,  -1.30,   3.67,   2.51,  99.90,   0.14,
03/14 20Z,  -1.30,   3.80,   2.72,  99.90,   0.22,
03/14 21Z,  -1.30,   3.84,   2.76,  99.90,   0.22,  (max)
03/14 22Z,  -1.20,   3.73,   2.68,  99.90,   0.15,
03/14 23Z,  -1.20,   3.44,   2.36,  99.90,   0.12,
03/15 00Z,  -1.20,   2.98,   1.81,  99.90,   0.03,
03/15 01Z,  -1.20,   2.37,   1.28,  99.90,   0.11,
03/15 02Z,  -1.20,   1.69,   0.56,  99.90,   0.07,
03/15 03Z,  -1.20,   1.02,  -0.09,  99.90,   0.09,
03/15 04Z,  -1.10,   0.44,  -0.56,  99.90,   0.10,
03/15 05Z,  -1.10,   0.04,  -0.99,  99.90,   0.07,
03/15 06Z,  -1.10,  -0.14,  -1.10,  99.90,   0.14,  (min)
03/15 07Z,  -1.10,  -0.09,  -1.08,  99.90,   0.11,
03/15 08Z,  -1.10,   0.17,  -0.74,  99.90,   0.19,
03/15 09Z,  -1.00,   0.59,  -0.31,  99.90,   0.10,
03/15 10Z,  -1.00,   1.10,   0.26,  99.90,   0.16,
03/15 11Z,  -1.00,   1.60,   0.79,  99.90,   0.19,
03/15 12Z,  -1.00,   2.05,   1.21,  99.90,   0.16,
03/15 13Z,  -1.00,   2.40,   1.66,  99.90,   0.26,
03/15 14Z,  -1.00,   2.65,   1.91,  99.90,   0.26,
03/15 15Z,  -0.90,   2.82,   1.97,  99.90,   0.05,
03/15 16Z,  -0.90,   2.96,   2.12,  99.90,   0.06,
03/15 17Z,  -0.90,   3.09,   2.17,  99.90,  -0.02,
03/15 18Z,  -0.90,   3.25,   2.37,  99.90,   0.02,
03/15 19Z,  -0.90,   3.43,   2.52,  99.90,  -0.01,
03/15 20Z,  -0.90,   3.59,   2.64,  99.90,  -0.05,
03/15 21Z,  -0.90,   3.71,   2.73,  99.90,  -0.08,  (max)
03/15 22Z,  -0.90,   3.71,   2.64,  99.90,  -0.17,
03/15 23Z,  -0.90,   3.56,   2.49,  99.90,  -0.17,
03/16 00Z,  -0.90,   3.24,   2.07,  99.90,  -0.27,
03/16 01Z,  -0.90,   2.77,   1.55,  99.90,  -0.32,
03/16 02Z,  -0.90,   2.18,   0.89,  99.90,  -0.39,
03/16 03Z,  -0.90,   1.55,   0.34,  99.90,  -0.31,
03/16 04Z,  -0.90,   0.95,  -0.24,  99.90,  -0.29,
03/16 05Z,  -0.80,   0.46,  -0.74,  99.90,  -0.40,
03/16 06Z,  -0.80,   0.16,  -1.00,  99.90,  -0.36,
03/16 07Z,  -0.80,   0.07,  -1.08,  99.90,  -0.35,  (min)
03/16 08Z,  -0.80,   0.19,  -0.95,  99.90,  -0.34,
03/16 09Z,  -0.90,   0.49,  -0.60,  99.90,  -0.19,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 10Z,  -0.90,   0.91,  99.90,  -0.14,  -0.15,
03/16 11Z,  -0.90,   1.37,  99.90,   0.36,  -0.12,
03/16 12Z,  -0.90,   1.82,  99.90,   0.84,  -0.08,
03/16 13Z,  -0.80,   2.18,  99.90,   1.34,  -0.04,
03/16 14Z,  -0.80,   2.45,  99.90,   1.64,  -0.01,
03/16 15Z,  -0.80,   2.62,  99.90,   1.85,   0.03,
03/16 16Z,  -0.80,   2.73,  99.90,   2.00,   0.06,
03/16 17Z,  -0.80,   2.82,  99.90,   2.12,   0.10,
03/16 18Z,  -0.80,   2.93,  99.90,   2.26,   0.14,
03/16 19Z,  -0.80,   3.06,  99.90,   2.43,   0.17,
03/16 20Z,  -0.80,   3.22,  99.90,   2.63,   0.21,
03/16 21Z,  -0.80,   3.38,  99.90,   2.82,   0.25,
03/16 22Z,  -0.80,   3.47,  99.90,   2.92,   0.25,  (max)
03/16 23Z,  -0.80,   3.46,  99.90,   2.91,   0.25,
03/17 00Z,  -0.80,   3.31,  99.90,   2.76,   0.25,
03/17 01Z,  -0.80,   3.01,  99.90,   2.45,   0.25,
03/17 02Z,  -0.80,   2.57,  99.90,   2.01,   0.25,
03/17 03Z,  -0.80,   2.04,  99.90,   1.48,   0.25,
03/17 04Z,  -0.80,   1.48,  99.90,   0.93,   0.25,
03/17 05Z,  -0.80,   0.99,  99.90,   0.43,   0.25,
03/17 06Z,  -0.80,   0.61,  99.90,   0.06,   0.25,
03/17 07Z,  -0.80,   0.41,  99.90,  -0.14,   0.25,
03/17 08Z,  -0.80,   0.41,  99.90,  -0.15,   0.25,  (min)
03/17 09Z,  -0.80,   0.58,  99.90,   0.03,   0.25,
03/17 10Z,  -0.80,   0.90,  99.90,   0.35,   0.25,
03/17 11Z,  -0.90,   1.30,  99.90,   0.65,   0.25,
03/17 12Z,  -0.80,   1.71,  99.90,   1.16,   0.25,
03/17 13Z,  -0.80,   2.07,  99.90,   1.51,   0.25,
03/17 14Z,  -0.80,   2.33,  99.90,   1.77,   0.25,
03/17 15Z,  -0.80,   2.48,  99.90,   1.93,   0.25,
03/17 16Z,  -0.80,   2.55,  99.90,   1.99,   0.25,
03/17 17Z,  -0.80,   2.57,  99.90,   2.01,   0.25,
03/17 18Z,  -0.80,   2.58,  99.90,   2.02,   0.25,
03/17 19Z,  -0.80,   2.62,  99.90,   2.07,   0.25,
03/17 20Z,  -0.80,   2.72,  99.90,   2.17,   0.25,
03/17 21Z,  -0.80,   2.86,  99.90,   2.30,   0.25,
03/17 22Z,  -0.80,   3.01,  99.90,   2.45,   0.25,
03/17 23Z,  -0.80,   3.11,  99.90,   2.56,   0.25,
03/18 00Z,  -0.80,   3.13,  99.90,   2.57,   0.25,  (max)
03/18 01Z,  -0.80,   3.02,  99.90,   2.46,   0.25,
03/18 02Z,  -0.80,   2.77,  99.90,   2.22,   0.25,
03/18 03Z,  -0.80,   2.42,  99.90,   1.86,   0.25,
03/18 04Z,  -0.80,   1.99,  99.90,   1.43,   0.25,
03/18 05Z,  -0.80,   1.55,  99.90,   0.99,   0.25,
03/18 06Z,  -0.80,   1.17,  99.90,   0.61,   0.25,
03/18 07Z,  -0.80,   0.91,  99.90,   0.35,   0.25,
03/18 08Z,  -0.80,   0.80,  99.90,   0.25,   0.25,  (min)
03/18 09Z,  -0.80,   0.87,  99.90,   0.31,   0.25,
03/18 10Z,  -0.80,   1.08,  99.90,   0.53,   0.25,
03/18 11Z,  -0.80,   1.40,  99.90,   0.85,   0.25,
03/18 12Z,  -0.80,   1.76,  99.90,   1.21,   0.25,
03/18 13Z,  -0.80,   2.09,  99.90,   1.53,   0.25,
03/18 14Z,  -0.70,   2.33,  99.90,   1.88,   0.25,
03/18 15Z,  -0.70,   2.46,  99.90,   2.01,   0.25,
03/18 16Z,  -0.70,   2.47,  99.90,   2.02,   0.25,  (max)
03/18 17Z,  -0.70,   2.40,  99.90,   1.94,   0.25,
03/18 18Z,  -0.70,   2.29,  99.90,   1.83,   0.25,
03/18 19Z,  -0.70,   2.19,  99.90,   1.74,   0.25,
03/18 20Z,  -0.70,   2.16,  99.90,   1.71,   0.25,  (min)
03/18 21Z,  -0.70,   2.22,  99.90,   1.76,   0.25,
03/18 22Z,  -0.80,   2.34,  99.90,   1.79,   0.25,
03/18 23Z,  -0.80,   2.51,  99.90,   1.95,   0.25,
03/19 00Z,  -0.80,   2.66,  99.90,   2.10,   0.25,
03/19 01Z,  -0.80,   2.74,  99.90,   2.19,   0.25,  (max)
03/19 02Z,  -0.80,   2.73,  99.90,   2.18,   0.25,
03/19 03Z,  -0.80,   2.60,  99.90,   2.04,   0.25,
03/19 04Z,  -0.70,   2.36,  99.90,   1.91,   0.25,
03/19 05Z,  -0.80,   2.06,  99.90,   1.50,   0.25,
03/19 06Z,  -0.80,   1.75,  99.90,   1.19,   0.25,
03/19 07Z,  -0.80,   1.49,  99.90,   0.93,   0.25,
03/19 08Z,  -0.80,   1.33,  99.90,   0.78,   0.25,
03/19 09Z,  -0.80,   1.31,  99.90,   0.75,   0.25,  (min)
03/19 10Z,  -0.80,   1.43,  99.90,   0.87,   0.25,
03/19 11Z,  -0.80,   1.66,  99.90,   1.10,   0.25,
03/19 12Z,  -0.80,   1.95,  99.90,   1.40,   0.25,
03/19 13Z,  -0.80,   2.25,  99.90,   1.69,   0.25,
03/19 14Z,  -0.80,   2.47,  99.90,   1.92,   0.25,
03/19 15Z,  -0.90,   2.58,  99.90,   1.93,   0.25,  (max)
03/19 16Z,  -0.90,   2.55,  99.90,   1.90,   0.25,
03/19 17Z,  -0.90,   2.39,  99.90,   1.74,   0.25,
03/19 18Z,  -0.90,   2.15,  99.90,   1.50,   0.25,
03/19 19Z,  -0.90,   1.89,  99.90,   1.24,   0.25,
03/19 20Z,  -0.90,   1.68,  99.90,   1.02,   0.25,
03/19 21Z,  -0.90,   1.56,  99.90,   0.91,   0.25,  (min)
03/19 22Z,  -0.90,   1.58,  99.90,   0.92,   0.25,
03/19 23Z,  -1.00,   1.71,  99.90,   0.96,   0.25,
03/20 00Z,  -1.00,   1.93,  99.90,   1.17,   0.25,
03/20 01Z,  99.90,   2.17,  99.90,  99.90,   0.25,
03/20 02Z,  99.90,   2.37,  99.90,  99.90,   0.25,
03/20 03Z,  99.90,   2.49,  99.90,  99.90,   0.25,
03/20 04Z,  99.90,   2.51,  99.90,  99.90,   0.25,
03/20 05Z,  99.90,   2.42,  99.90,  99.90,   0.25,
03/20 06Z,  99.90,   2.25,  99.90,  99.90,   0.25,