EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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Gulf of Alaska
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Apalachicola, FL
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Sabine Pass, TX
Galveston, TX
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Port Aransas, TX
Padre Island, TX
Surge List
Gulf Coast
#Eastport, ME : 05/18/2026 15:21:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,   0.20,   8.96,   9.69,  99.90,   0.53,
05/17 01Z,   0.10,  14.44,  15.12,  99.90,   0.58,
05/17 02Z,   0.10,  19.05,  19.78,  99.90,   0.63,
05/17 03Z,   0.10,  21.48,  22.08,  99.90,   0.50,  (max)
05/17 04Z,   0.10,  20.87,  20.96,  99.90,  -0.01,
05/17 05Z,   0.10,  17.56,  17.57,  99.90,  -0.09,
05/17 06Z,   0.20,  12.70,  12.74,  99.90,  -0.16,
05/17 07Z,   0.20,   7.38,   7.55,  99.90,  -0.03,
05/17 08Z,   0.20,   2.40,   2.52,  99.90,  -0.08,
05/17 09Z,   0.20,  -1.23,  -1.18,  99.90,  -0.15,
05/17 10Z,   0.20,  -2.26,  -1.87,  99.90,   0.19,  (min)
05/17 11Z,   0.10,  -0.10,   0.75,  99.90,   0.75,
05/17 12Z,   0.20,   4.44,   5.24,  99.90,   0.60,
05/17 13Z,   0.20,   9.96,  10.58,  99.90,   0.42,
05/17 14Z,   0.10,  15.22,  15.74,  99.90,   0.42,
05/17 15Z,   0.00,  18.98,  19.53,  99.90,   0.55,
05/17 16Z,   0.00,  20.04,  20.29,  99.90,   0.25,  (max)
05/17 17Z,   0.00,  18.22,  18.05,  99.90,  -0.17,
05/17 18Z,   0.10,  14.41,  14.15,  99.90,  -0.36,
05/17 19Z,   0.20,   9.74,   9.55,  99.90,  -0.39,
05/17 20Z,   0.20,   5.07,   4.90,  99.90,  -0.37,
05/17 21Z,   0.30,   1.21,   0.76,  99.90,  -0.75,
05/17 22Z,   0.30,  -0.65,  -1.02,  99.90,  -0.67,  (min)
05/17 23Z,   0.30,   0.52,   0.86,  99.90,   0.04,
05/18 00Z,   0.30,   4.47,   5.10,  99.90,   0.33,
05/18 01Z,   0.20,   9.88,  10.46,  99.90,   0.38,
05/18 02Z,   0.20,  15.39,  15.88,  99.90,   0.29,
05/18 03Z,   0.10,  19.79,  20.36,  99.90,   0.47,
05/18 04Z,   0.10,  21.78,  22.22,  99.90,   0.34,  (max)
05/18 05Z,   0.00,  20.68,  20.62,  99.90,  -0.06,
05/18 06Z,   0.10,  17.02,  16.89,  99.90,  -0.23,
05/18 07Z,   0.10,  11.99,  11.81,  99.90,  -0.28,
05/18 08Z,   0.10,   6.61,   6.56,  99.90,  -0.15,
05/18 09Z,   0.10,   1.68,   1.39,  99.90,  -0.39,
05/18 10Z,   0.20,  -1.71,  -2.02,  99.90,  -0.51,
05/18 11Z,   0.20,  -2.30,  -2.27,  99.90,  -0.17,  (min)
05/18 12Z,   0.30,   0.29,   0.84,  99.90,   0.25,
05/18 13Z,   0.40,   5.08,   5.59,  99.90,   0.11,
05/18 14Z,   0.50,  10.66,  10.93,  99.90,  -0.23,
05/18 15Z,   0.50,  15.81,  16.17,  99.90,  -0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 16Z,   0.50,  19.23,  99.90,  19.61,  -0.12,
05/18 17Z,   0.50,  19.88,  99.90,  20.27,  -0.10,  (max)
05/18 18Z,   0.50,  17.74,  99.90,  18.16,  -0.09,
05/18 19Z,   0.40,  13.81,  99.90,  14.14,  -0.07,
05/18 20Z,   0.40,   9.17,  99.90,   9.51,  -0.05,
05/18 21Z,   0.30,   4.59,  99.90,   4.85,  -0.04,
05/18 22Z,   0.30,   0.93,  99.90,   1.21,  -0.02,
05/18 23Z,   0.30,  -0.55,  99.90,  -0.26,  -0.01,  (min)
05/19 00Z,   0.40,   1.02,  99.90,   1.43,   0.01,
05/19 01Z,   0.40,   5.21,  99.90,   5.64,   0.03,
05/19 02Z,   0.40,  10.63,  99.90,  11.07,   0.04,
05/19 03Z,   0.40,  15.99,  99.90,  16.45,   0.06,
05/19 04Z,   0.40,  20.08,  99.90,  20.54,   0.06,
05/19 05Z,   0.40,  21.64,  99.90,  22.10,   0.06,  (max)
05/19 06Z,   0.40,  20.18,  99.90,  20.63,   0.06,
05/19 07Z,   0.40,  16.36,  99.90,  16.82,   0.06,
05/19 08Z,   0.30,  11.36,  99.90,  11.72,   0.06,
05/19 09Z,   0.40,   6.09,  99.90,   6.54,   0.06,
05/19 10Z,   0.40,   1.34,  99.90,   1.80,   0.06,
05/19 11Z,   0.40,  -1.74,  99.90,  -1.29,   0.06,
05/19 12Z,   0.40,  -1.95,  99.90,  -1.49,   0.06,  (min)
05/19 13Z,   0.40,   0.93,  99.90,   1.38,   0.06,
05/19 14Z,   0.40,   5.77,  99.90,   6.22,   0.06,
05/19 15Z,   0.40,  11.21,  99.90,  11.67,   0.06,
05/19 16Z,   0.40,  16.10,  99.90,  16.56,   0.06,
05/19 17Z,   0.40,  19.16,  99.90,  19.62,   0.06,
05/19 18Z,   0.40,  19.45,  99.90,  19.91,   0.06,  (max)
05/19 19Z,   0.40,  17.16,  99.90,  17.62,   0.06,
05/19 20Z,   0.40,  13.28,  99.90,  13.73,   0.06,
05/19 21Z,   0.50,   8.78,  99.90,   9.34,   0.06,
05/19 22Z,   0.50,   4.37,  99.90,   4.93,   0.06,
05/19 23Z,   0.60,   0.96,  99.90,   1.62,   0.06,
05/20 00Z,   0.60,  -0.20,  99.90,   0.46,   0.06,  (min)
05/20 01Z,   0.50,   1.64,  99.90,   2.20,   0.06,
05/20 02Z,   0.50,   5.85,  99.90,   6.41,   0.06,
05/20 03Z,   0.40,  11.09,  99.90,  11.55,   0.06,
05/20 04Z,   0.40,  16.17,  99.90,  16.63,   0.06,
05/20 05Z,   0.30,  19.91,  99.90,  20.27,   0.06,
05/20 06Z,   0.20,  21.13,  99.90,  21.38,   0.06,  (max)
05/20 07Z,   0.20,  19.48,  99.90,  19.74,   0.06,
05/20 08Z,   0.20,  15.71,  99.90,  15.97,   0.06,
05/20 09Z,   0.30,  10.91,  99.90,  11.26,   0.06,
05/20 10Z,   0.40,   5.87,  99.90,   6.32,   0.06,
05/20 11Z,   0.50,   1.37,  99.90,   1.92,   0.06,
05/20 12Z,   0.60,  -1.41,  99.90,  -0.75,   0.06,  (min)
05/20 13Z,   0.70,  -1.31,  99.90,  -0.55,   0.06,
05/20 14Z,   0.70,   1.67,  99.90,   2.42,   0.06,
05/20 15Z,   0.70,   6.36,  99.90,   7.12,   0.06,
05/20 16Z,   0.60,  11.53,  99.90,  12.19,   0.06,
05/20 17Z,   0.60,  16.11,  99.90,  16.76,   0.06,
05/20 18Z,   0.50,  18.84,  99.90,  19.40,   0.06,
05/20 19Z,   0.50,  18.91,  99.90,  19.47,   0.06,  (max)
05/20 20Z,   0.50,  16.61,  99.90,  17.17,   0.06,
05/20 21Z,   0.50,  12.91,  99.90,  13.46,   0.06,
05/20 22Z,   0.60,   8.63,  99.90,   9.29,   0.06,
05/20 23Z,   0.60,   4.43,  99.90,   5.09,   0.06,
05/21 00Z,   0.50,   1.23,  99.90,   1.79,   0.06,
05/21 01Z,   0.50,   0.31,  99.90,   0.87,   0.06,  (min)
05/21 02Z,   0.40,   2.24,  99.90,   2.70,   0.06,
05/21 03Z,   0.30,   6.29,  99.90,   6.65,   0.06,
05/21 04Z,   0.20,  11.21,  99.90,  11.47,   0.06,
05/21 05Z,   0.10,  15.96,  99.90,  16.12,   0.06,
05/21 06Z,   0.00,  19.38,  99.90,  19.44,   0.06,
05/21 07Z,   0.00,  20.38,  99.90,  20.44,   0.06,  (max)
05/21 08Z,   0.00,  18.72,  99.90,  18.78,   0.06,
05/21 09Z,   0.10,  15.17,  99.90,  15.33,   0.06,
05/21 10Z,   0.10,  10.67,  99.90,  10.83,   0.06,
05/21 11Z,   0.20,   5.92,  99.90,   6.18,   0.06,
05/21 12Z,   0.20,   1.68,  99.90,   1.94,   0.06,
05/21 13Z,   0.30,  -0.83,  99.90,  -0.47,   0.06,  (min)
05/21 14Z,   0.30,  -0.54,  99.90,  -0.18,   0.06,
05/21 15Z,   0.30,   2.37,  99.90,   2.73,   0.06,
05/21 16Z,   0.30,   6.79,  99.90,   7.15,   0.06,
05/21 17Z,   0.40,  11.64,  99.90,  12.10,   0.06,
05/21 18Z,   0.40,  15.91,  99.90,  16.37,   0.06,
05/21 19Z,   0.50,  18.40,  99.90,  18.96,   0.06,
05/21 20Z,   0.60,  18.39,  99.90,  19.05,   0.06,  (max)
05/21 21Z,   0.60,  16.21,  99.90,  16.87,   0.06,
05/21 22Z,   0.70,  12.75,  99.90,  13.51,   0.06,
05/21 23Z,   0.70,   8.72,  99.90,   9.48,   0.06,
05/22 00Z,   0.70,   4.69,  99.90,   5.45,   0.06,
05/22 01Z,   0.60,   1.65,  99.90,   2.31,   0.06,
05/22 02Z,   0.60,   0.85,  99.90,   1.50,   0.06,  (min)
05/22 03Z,   0.50,   2.71,  99.90,   3.27,   0.06,
05/22 04Z,   0.40,   6.46,  99.90,   6.92,   0.06,
05/22 05Z,   0.30,  11.00,  99.90,  11.36,   0.06,
05/22 06Z,   0.20,  15.44,  99.90,  15.70,   0.06,
05/22 07Z,  99.90,  18.65,  99.90,  99.90,   0.06,
05/22 08Z,  99.90,  19.55,  99.90,  99.90,   0.06,
05/22 09Z,  99.90,  18.03,  99.90,  99.90,   0.06,
05/22 10Z,  99.90,  14.79,  99.90,  99.90,   0.06,
05/22 11Z,  99.90,  10.64,  99.90,  99.90,   0.06,
05/22 12Z,  99.90,   6.16,  99.90,  99.90,   0.06,