EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
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Alaska
Gulf of Alaska
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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
#Naknek River, Ent #13, AK : 04/18/2026 13:21:16 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 18Z,   0.10,   5.69,  99.90,   5.79,   0.00,
04/16 19Z,   0.10,   4.29,  99.90,   4.39,   0.00,  (min)
04/16 20Z,   0.10,   4.46,  99.90,   4.56,   0.00,
04/16 21Z,   0.00,   7.06,  99.90,   7.06,   0.00,
04/16 22Z,   0.00,  11.98,  99.90,  11.98,   0.00,
04/16 23Z,   0.10,  16.78,  99.90,  16.88,   0.00,
04/17 00Z,   0.10,  19.29,  99.90,  19.39,   0.00,  (max)
04/17 01Z,   0.10,  19.07,  99.90,  19.17,   0.00,
04/17 02Z,   0.10,  16.74,  99.90,  16.84,   0.00,
04/17 03Z,   0.00,  13.25,  99.90,  13.25,   0.00,
04/17 04Z,   0.00,   9.51,  99.90,   9.51,   0.00,
04/17 05Z,   0.00,   6.08,  99.90,   6.08,   0.00,
04/17 06Z,   0.00,   3.29,  99.90,   3.29,   0.00,
04/17 07Z,   0.00,   1.46,  99.90,   1.46,   0.00,
04/17 08Z,   0.00,   1.05,  99.90,   1.05,   0.00,  (min)
04/17 09Z,   0.00,   2.87,  99.90,   2.87,   0.00,
04/17 10Z,   0.00,   7.43,  99.90,   7.43,   0.00,
04/17 11Z,   0.00,  13.53,  99.90,  13.53,   0.00,
04/17 12Z,   0.10,  18.72,  99.90,  18.82,   0.00,
04/17 13Z,   0.10,  21.37,  99.90,  21.47,   0.00,  (max)
04/17 14Z,   0.10,  21.14,  99.90,  21.24,   0.00,
04/17 15Z,   0.10,  18.76,  99.90,  18.86,   0.00,
04/17 16Z,   0.10,  15.38,  99.90,  15.48,   0.00,
04/17 17Z,   0.20,  11.86,  99.90,  12.06,   0.00,
04/17 18Z,   0.10,   8.67,  99.90,   8.77,   0.00,
04/17 19Z,   0.10,   6.15,  99.90,   6.25,   0.00,
04/17 20Z,   0.10,   4.71,  99.90,   4.81,   0.00,  (min)
04/17 21Z,   0.00,   4.96,  99.90,   4.96,   0.00,
04/17 22Z,   0.00,   7.79,  99.90,   7.79,   0.00,
04/17 23Z,   0.00,  12.78,  99.90,  12.78,   0.00,
04/18 00Z,   0.00,  17.18,  99.90,  17.18,   0.00,
04/18 01Z,   0.00,  18.98,  99.90,  18.98,   0.00,  (max)
04/18 02Z,   0.00,  18.09,  99.90,  18.09,   0.00,
04/18 03Z,   0.00,  15.28,  99.90,  15.28,   0.00,
04/18 04Z,   0.00,  11.52,  99.90,  11.52,   0.00,
04/18 05Z,   0.00,   7.66,  99.90,   7.66,   0.00,
04/18 06Z,  -0.10,   4.25,  99.90,   4.15,   0.00,
04/18 07Z,  -0.10,   1.59,  99.90,   1.49,   0.00,
04/18 08Z,   0.00,   0.01,  99.90,   0.01,   0.00,
04/18 09Z,  -0.10,   0.08,  99.90,  -0.02,   0.00,  (min)
04/18 10Z,  -0.10,   2.66,  99.90,   2.56,   0.00,
04/18 11Z,  -0.10,   8.10,  99.90,   8.00,   0.00,
04/18 12Z,  -0.10,  14.84,  99.90,  14.74,   0.00,
04/18 13Z,  -0.10,  20.36,  99.90,  20.26,   0.00,
04/18 14Z,   0.00,  23.06,  99.90,  23.06,   0.00,  (max)
04/18 15Z,   0.00,  22.66,  99.90,  22.66,   0.00,
04/18 16Z,   0.00,  20.02,  99.90,  20.02,   0.00,
04/18 17Z,   0.00,  16.37,  99.90,  16.37,   0.00,
04/18 18Z,  -0.10,  12.58,  99.90,  12.48,   0.00,
04/18 19Z,  -0.20,   9.15,  99.90,   8.95,   0.00,
04/18 20Z,  -0.20,   6.47,  99.90,   6.27,   0.00,
04/18 21Z,  -0.10,   4.98,  99.90,   4.88,   0.00,  (min)
04/18 22Z,   0.00,   5.31,  99.90,   5.31,   0.00,
04/18 23Z,   0.00,   8.34,  99.90,   8.34,   0.00,
04/19 00Z,   0.10,  13.37,  99.90,  13.47,   0.00,
04/19 01Z,   0.10,  17.38,  99.90,  17.48,   0.00,
04/19 02Z,   0.00,  18.59,  99.90,  18.59,   0.00,  (max)
04/19 03Z,   0.00,  17.19,  99.90,  17.19,   0.00,
04/19 04Z,  -0.10,  14.02,  99.90,  13.92,   0.00,
04/19 05Z,  -0.10,  10.04,  99.90,   9.94,   0.00,
04/19 06Z,   0.00,   6.10,  99.90,   6.10,   0.00,
04/19 07Z,   0.10,   2.69,  99.90,   2.79,   0.00,
04/19 08Z,   0.30,   0.14,  99.90,   0.44,   0.00,
04/19 09Z,   0.60,  -1.20,  99.90,  -0.60,   0.00,  (min)
04/19 10Z,   0.80,  -0.67,  99.90,   0.13,   0.00,
04/19 11Z,   1.10,   2.63,  99.90,   3.73,   0.00,
04/19 12Z,   1.40,   8.85,  99.90,  10.25,   0.00,
04/19 13Z,   1.50,  16.12,  99.90,  17.62,   0.00,
04/19 14Z,   1.50,  21.89,  99.90,  23.39,   0.00,
04/19 15Z,   1.30,  24.57,  99.90,  25.87,   0.00,  (max)
04/19 16Z,   1.10,  23.97,  99.90,  25.07,   0.00,
04/19 17Z,   1.00,  21.06,  99.90,  22.06,   0.00,
04/19 18Z,   0.90,  17.13,  99.90,  18.03,   0.00,
04/19 19Z,   0.90,  13.07,  99.90,  13.97,   0.00,
04/19 20Z,   0.90,   9.42,  99.90,  10.32,   0.00,
04/19 21Z,   1.10,   6.59,  99.90,   7.69,   0.00,
04/19 22Z,   1.30,   5.07,  99.90,   6.37,   0.00,  (min)
04/19 23Z,   1.70,   5.51,  99.90,   7.21,   0.00,
04/20 00Z,   2.10,   8.74,  99.90,  10.84,   0.00,
04/20 01Z,   2.40,  13.78,  99.90,  16.18,   0.00,
04/20 02Z,   2.40,  17.50,  99.90,  19.90,   0.00,
04/20 03Z,   2.30,  18.28,  99.90,  20.58,   0.00,  (max)
04/20 04Z,   2.20,  16.51,  99.90,  18.71,   0.00,
04/20 05Z,   2.10,  13.06,  99.90,  15.16,   0.00,
04/20 06Z,   2.00,   8.93,  99.90,  10.93,   0.00,
04/20 07Z,   2.00,   4.92,  99.90,   6.92,   0.00,
04/20 08Z,   1.90,   1.51,  99.90,   3.41,   0.00,
04/20 09Z,   1.80,  -0.96,  99.90,   0.84,   0.00,
04/20 10Z,   1.60,  -2.10,  99.90,  -0.50,   0.00,  (min)
04/20 11Z,   1.20,  -1.16,  99.90,   0.04,   0.00,
04/20 12Z,   0.70,   2.77,  99.90,   3.47,   0.00,
04/20 13Z,   0.20,   9.59,  99.90,   9.79,   0.00,
04/20 14Z,   0.00,  17.26,  99.90,  17.26,   0.00,
04/20 15Z,   0.10,  23.17,  99.90,  23.27,   0.00,
04/20 16Z,   0.40,  25.74,  99.90,  26.14,   0.00,  (max)
04/20 17Z,   0.50,  24.90,  99.90,  25.40,   0.00,
04/20 18Z,   0.40,  21.73,  99.90,  22.13,   0.00,
04/20 19Z,   0.40,  17.56,  99.90,  17.96,   0.00,
04/20 20Z,   0.60,  13.27,  99.90,  13.87,   0.00,
04/20 21Z,   0.80,   9.43,  99.90,  10.23,   0.00,
04/20 22Z,   1.10,   6.50,  99.90,   7.60,   0.00,
04/20 23Z,   1.30,   5.00,  99.90,   6.30,   0.00,  (min)
04/21 00Z,   1.50,   5.58,  99.90,   7.08,   0.00,
04/21 01Z,   1.70,   9.00,  99.90,  10.70,   0.00,
04/21 02Z,   1.80,  14.07,  99.90,  15.87,   0.00,
04/21 03Z,   1.90,  17.60,  99.90,  19.50,   0.00,
04/21 04Z,   1.80,  18.11,  99.90,  19.91,   0.00,  (max)
04/21 05Z,   1.60,  16.10,  99.90,  17.70,   0.00,
04/21 06Z,   1.20,  12.48,  99.90,  13.68,   0.00,
04/21 07Z,   0.80,   8.25,  99.90,   9.05,   0.00,
04/21 08Z,   0.40,   4.19,  99.90,   4.59,   0.00,
04/21 09Z,   0.10,   0.77,  99.90,   0.87,   0.00,
04/21 10Z,  -0.10,  -1.65,  99.90,  -1.75,   0.00,
04/21 11Z,  -0.40,  -2.63,  99.90,  -3.03,   0.00,  (min)
04/21 12Z,  -0.50,  -1.36,  99.90,  -1.86,   0.00,
04/21 13Z,  -0.60,   3.04,  99.90,   2.44,   0.00,
04/21 14Z,  -0.60,  10.28,  99.90,   9.68,   0.00,
04/21 15Z,  -0.70,  18.17,  99.90,  17.47,   0.00,
04/21 16Z,  -0.70,  24.07,  99.90,  23.37,   0.00,
04/21 17Z,  -0.60,  26.47,  99.90,  25.87,   0.00,  (max)
04/21 18Z,  -0.60,  25.39,  99.90,  24.79,   0.00,
04/21 19Z,  -0.50,  21.99,  99.90,  21.49,   0.00,
04/21 20Z,  -0.40,  17.62,  99.90,  17.22,   0.00,
04/21 21Z,  -0.30,  13.16,  99.90,  12.86,   0.00,
04/21 22Z,  -0.30,   9.19,  99.90,   8.89,   0.00,
04/21 23Z,  -0.30,   6.21,  99.90,   5.91,   0.00,
04/22 00Z,  -0.40,   4.77,  99.90,   4.37,   0.00,  (min)
04/22 01Z,  -0.50,   5.51,  99.90,   5.01,   0.00,
04/22 02Z,  -0.70,   9.12,  99.90,   8.42,   0.00,
04/22 03Z,  -0.90,  14.23,  99.90,  13.33,   0.00,
04/22 04Z,  -0.90,  17.70,  99.90,  16.80,   0.00,
04/22 05Z,  -0.90,  18.11,  99.90,  17.21,   0.00,  (max)
04/22 06Z,  -0.80,  15.99,  99.90,  15.19,   0.00,