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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Wrightsville Bch
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Springmaid, SC
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Ft. Pulaski, GA
Fernandina, FL
Surge List
East Coast
#Seward, AK : 12/17/2025 08:21:18 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 12Z,   1.80,   4.14,   4.11,  99.90,  -1.83,
12/15 13Z,   1.90,   4.23,   4.22,  99.90,  -1.91,  (min)
12/15 14Z,   1.90,   4.94,   4.89,  99.90,  -1.95,
12/15 15Z,   2.00,   6.21,   6.18,  99.90,  -2.03,
12/15 16Z,   2.10,   7.76,   7.66,  99.90,  -2.20,
12/15 17Z,   2.20,   9.19,   9.10,  99.90,  -2.29,
12/15 18Z,   2.00,  10.13,  10.14,  99.90,  -1.99,
12/15 19Z,   2.10,  10.34,  10.33,  99.90,  -2.11,  (max)
12/15 20Z,   2.10,   9.74,   9.72,  99.90,  -2.12,
12/15 21Z,   2.10,   8.39,   8.33,  99.90,  -2.16,
12/15 22Z,   2.20,   6.49,   6.52,  99.90,  -2.17,
12/15 23Z,   2.20,   4.44,   4.47,  99.90,  -2.17,
12/16 00Z,   2.10,   2.70,   2.73,  99.90,  -2.07,
12/16 01Z,   2.00,   1.60,   1.59,  99.90,  -2.01,
12/16 02Z,   2.00,   1.31,   1.30,  99.90,  -2.01,  (min)
12/16 03Z,   2.00,   1.87,   1.69,  99.90,  -2.18,
12/16 04Z,   2.00,   3.14,   3.00,  99.90,  -2.14,
12/16 05Z,   1.80,   4.74,   4.55,  99.90,  -1.99,
12/16 06Z,   1.80,   6.25,   6.11,  99.90,  -1.94,
12/16 07Z,   1.80,   7.32,   7.37,  99.90,  -1.75,
12/16 08Z,   1.80,   7.79,   7.79,  99.90,  -1.80,  (max)
12/16 09Z,   1.90,   7.61,   7.52,  99.90,  -1.99,
12/16 10Z,   1.80,   6.86,   6.90,  99.90,  -1.76,
12/16 11Z,   1.90,   5.83,   5.89,  99.90,  -1.84,
12/16 12Z,   1.60,   4.92,   4.84,  99.90,  -1.68,
12/16 13Z,   1.50,   4.47,   4.32,  99.90,  -1.65,  (min)
12/16 14Z,   1.50,   4.66,   4.60,  99.90,  -1.56,
12/16 15Z,   1.50,   5.51,   5.44,  99.90,  -1.57,
12/16 16Z,   1.50,   6.90,   6.81,  99.90,  -1.59,
12/16 17Z,   1.50,   8.50,   8.24,  99.90,  -1.76,
12/16 18Z,   1.40,   9.86,   9.77,  99.90,  -1.49,
12/16 19Z,   1.40,  10.60,  10.66,  99.90,  -1.34,  (max)
12/16 20Z,   1.30,  10.52,  10.49,  99.90,  -1.33,
12/16 21Z,   1.30,   9.58,   9.58,  99.90,  -1.30,
12/16 22Z,   1.30,   7.87,   8.01,  99.90,  -1.16,
12/16 23Z,   1.50,   5.68,   5.90,  99.90,  -1.28,
12/17 00Z,   1.10,   3.47,   3.54,  99.90,  -1.03,
12/17 01Z,   1.10,   1.73,   1.63,  99.90,  -1.20,
12/17 02Z,   1.00,   0.77,   0.81,  99.90,  -0.96,
12/17 03Z,   0.90,   0.77,   0.76,  99.90,  -0.91,  (min)
12/17 04Z,   1.00,   1.68,   1.34,  99.90,  -1.34,
12/17 05Z,   1.10,   3.28,   3.02,  99.90,  -1.36,
12/17 06Z,   1.20,   5.14,   4.92,  99.90,  -1.42,
12/17 07Z,   1.30,   6.76,   6.59,  99.90,  -1.47,
12/17 08Z,   1.30,   7.83,   7.65,  99.90,  -1.48,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/17 09Z,   1.20,   8.21,  99.90,   7.92,  -1.49,  (max)
12/17 10Z,   1.30,   7.87,  99.90,   7.68,  -1.49,
12/17 11Z,   1.50,   6.97,  99.90,   6.97,  -1.49,
12/17 12Z,   1.10,   5.84,  99.90,   5.45,  -1.49,
12/17 13Z,   0.90,   4.94,  99.90,   4.35,  -1.50,
12/17 14Z,   1.10,   4.61,  99.90,   4.22,  -1.50,  (min)
12/17 15Z,   1.20,   5.00,  99.90,   4.70,  -1.50,
12/17 16Z,   1.00,   6.07,  99.90,   5.57,  -1.50,
12/17 17Z,   0.90,   7.63,  99.90,   7.03,  -1.50,
12/17 18Z,   0.90,   9.27,  99.90,   8.67,  -1.51,
12/17 19Z,   1.10,  10.51,  99.90,  10.10,  -1.51,
12/17 20Z,   1.20,  10.97,  99.90,  10.66,  -1.51,  (max)
12/17 21Z,   1.10,  10.53,  99.90,  10.12,  -1.51,
12/17 22Z,   1.30,   9.18,  99.90,   8.97,  -1.51,
12/17 23Z,   1.10,   7.11,  99.90,   6.70,  -1.51,
12/18 00Z,   0.80,   4.67,  99.90,   3.96,  -1.51,
12/18 01Z,   1.00,   2.39,  99.90,   1.88,  -1.51,
12/18 02Z,   1.20,   0.78,  99.90,   0.47,  -1.51,
12/18 03Z,   0.90,   0.13,  99.90,  -0.48,  -1.51,  (min)
12/18 04Z,   0.80,   0.53,  99.90,  -0.18,  -1.51,
12/18 05Z,   0.90,   1.87,  99.90,   1.26,  -1.51,
12/18 06Z,   1.10,   3.80,  99.90,   3.39,  -1.51,
12/18 07Z,   0.90,   5.83,  99.90,   5.22,  -1.51,
12/18 08Z,   0.90,   7.45,  99.90,   6.84,  -1.51,
12/18 09Z,   1.00,   8.38,  99.90,   7.87,  -1.51,
12/18 10Z,   1.10,   8.52,  99.90,   8.11,  -1.51,  (max)
12/18 11Z,   1.20,   7.92,  99.90,   7.62,  -1.51,
12/18 12Z,   1.00,   6.82,  99.90,   6.31,  -1.51,
12/18 13Z,   0.90,   5.62,  99.90,   5.01,  -1.51,
12/18 14Z,   0.90,   4.79,  99.90,   4.18,  -1.51,
12/18 15Z,   0.80,   4.67,  99.90,   3.96,  -1.51,  (min)
12/18 16Z,   0.80,   5.33,  99.90,   4.62,  -1.51,
12/18 17Z,   0.90,   6.68,  99.90,   6.07,  -1.51,
12/18 18Z,   1.00,   8.40,  99.90,   7.89,  -1.51,
12/18 19Z,   1.00,  10.03,  99.90,   9.52,  -1.51,
12/18 20Z,   1.10,  11.05,  99.90,  10.64,  -1.51,
12/18 21Z,   1.10,  11.17,  99.90,  10.76,  -1.51,  (max)
12/18 22Z,   1.20,  10.30,  99.90,   9.99,  -1.51,
12/18 23Z,   1.20,   8.53,  99.90,   8.22,  -1.51,
12/19 00Z,   1.10,   6.12,  99.90,   5.71,  -1.51,
12/19 01Z,   1.10,   3.52,  99.90,   3.12,  -1.51,
12/19 02Z,   1.30,   1.32,  99.90,   1.11,  -1.51,
12/19 03Z,   1.10,  -0.01,  99.90,  -0.42,  -1.51,
12/19 04Z,   0.80,  -0.24,  99.90,  -0.94,  -1.51,  (min)
12/19 05Z,   1.20,   0.64,  99.90,   0.34,  -1.51,
12/19 06Z,   1.40,   2.40,  99.90,   2.29,  -1.51,
12/19 07Z,   1.20,   4.59,  99.90,   4.28,  -1.51,
12/19 08Z,   1.10,   6.66,  99.90,   6.25,  -1.51,
12/19 09Z,   1.30,   8.13,  99.90,   7.92,  -1.51,
12/19 10Z,   1.40,   8.79,  99.90,   8.68,  -1.51,  (max)
12/19 11Z,   1.20,   8.61,  99.90,   8.30,  -1.51,
12/19 12Z,   1.10,   7.72,  99.90,   7.31,  -1.51,
12/19 13Z,   1.30,   6.43,  99.90,   6.22,  -1.51,
12/19 14Z,   1.40,   5.22,  99.90,   5.11,  -1.51,
12/19 15Z,   1.20,   4.58,  99.90,   4.27,  -1.51,  (min)
12/19 16Z,   1.10,   4.75,  99.90,   4.34,  -1.51,
12/19 17Z,   1.20,   5.75,  99.90,   5.44,  -1.51,
12/19 18Z,   1.20,   7.36,  99.90,   7.05,  -1.51,
12/19 19Z,   1.10,   9.18,  99.90,   8.78,  -1.51,
12/19 20Z,   1.00,  10.70,  99.90,  10.19,  -1.51,
12/19 21Z,   1.00,  11.42,  99.90,  10.91,  -1.51,  (max)
12/19 22Z,   1.00,  11.12,  99.90,  10.61,  -1.51,
12/19 23Z,   1.00,   9.79,  99.90,   9.28,  -1.51,
12/20 00Z,   0.90,   7.63,  99.90,   7.02,  -1.51,
12/20 01Z,   0.80,   4.97,  99.90,   4.26,  -1.51,
12/20 02Z,   0.80,   2.35,  99.90,   1.64,  -1.51,
12/20 03Z,   0.80,   0.37,  99.90,  -0.34,  -1.51,
12/20 04Z,   0.80,  -0.54,  99.90,  -1.25,  -1.51,  (min)
12/20 05Z,   0.80,  -0.26,  99.90,  -0.97,  -1.51,
12/20 06Z,   0.90,   1.10,  99.90,   0.49,  -1.51,
12/20 07Z,   0.80,   3.20,  99.90,   2.49,  -1.51,
12/20 08Z,   0.80,   5.51,  99.90,   4.80,  -1.51,
12/20 09Z,   0.80,   7.47,  99.90,   6.76,  -1.51,
12/20 10Z,   0.70,   8.68,  99.90,   7.87,  -1.51,
12/20 11Z,   0.70,   8.98,  99.90,   8.17,  -1.51,  (max)
12/20 12Z,   0.70,   8.44,  99.90,   7.63,  -1.51,
12/20 13Z,   0.60,   7.28,  99.90,   6.37,  -1.51,
12/20 14Z,   0.60,   5.88,  99.90,   4.97,  -1.51,
12/20 15Z,   0.50,   4.78,  99.90,   3.77,  -1.51,
12/20 16Z,   0.60,   4.42,  99.90,   3.51,  -1.51,  (min)
12/20 17Z,   0.60,   4.96,  99.90,   4.05,  -1.51,
12/20 18Z,   0.70,   6.29,  99.90,   5.48,  -1.51,
12/20 19Z,   0.70,   8.10,  99.90,   7.29,  -1.51,
12/20 20Z,   0.70,   9.91,  99.90,   9.10,  -1.51,
12/20 21Z,   0.70,  11.19,  99.90,  10.38,  -1.51,
12/20 22Z,   0.80,  11.53,  99.90,  10.82,  -1.51,  (max)
12/20 23Z,   0.70,  10.76,  99.90,   9.95,  -1.51,
12/21 00Z,   0.70,   9.00,  99.90,   8.20,  -1.51,