EXTRA-TROPICAL  STORM  SURGE
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Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
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Alaska
Gulf of Alaska
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Apalachicola, FL
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Sabine Pass, TX
Galveston, TX
Freeport, TX
Port Aransas, TX
Padre Island, TX
Surge List
Gulf Coast
#Portland, ME : 01/18/2026 23:22:51 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/17 06Z,  -0.40,   4.38,   4.21,  99.90,   0.23,
01/17 07Z,  -0.40,   2.70,   2.33,  99.90,   0.03,
01/17 08Z,  -0.40,   1.64,   1.28,  99.90,   0.04,
01/17 09Z,  -0.30,   1.42,   1.17,  99.90,   0.05,  (min)
01/17 10Z,  -0.30,   2.13,   1.81,  99.90,  -0.02,
01/17 11Z,  -0.30,   3.71,   3.09,  99.90,  -0.32,
01/17 12Z,  -0.30,   5.76,   5.17,  99.90,  -0.29,
01/17 13Z,  -0.20,   7.68,   7.15,  99.90,  -0.33,
01/17 14Z,  -0.10,   8.99,   8.48,  99.90,  -0.41,
01/17 15Z,  -0.10,   9.43,   9.18,  99.90,  -0.15,  (max)
01/17 16Z,   0.00,   8.92,   8.72,  99.90,  -0.20,
01/17 17Z,   0.10,   7.44,   7.46,  99.90,  -0.08,
01/17 18Z,   0.30,   5.27,   5.46,  99.90,  -0.11,
01/17 19Z,   0.40,   3.01,   3.45,  99.90,   0.04,
01/17 20Z,   0.50,   1.25,   1.64,  99.90,  -0.11,
01/17 21Z,   0.50,   0.32,   0.92,  99.90,   0.10,  (min)
01/17 22Z,   0.60,   0.37,   1.12,  99.90,   0.15,
01/17 23Z,   0.60,   1.43,   2.11,  99.90,   0.08,
01/18 00Z,   0.40,   3.25,   3.70,  99.90,   0.05,
01/18 01Z,   0.30,   5.30,   5.49,  99.90,  -0.11,
01/18 02Z,   0.20,   7.01,   7.31,  99.90,   0.10,
01/18 03Z,   0.10,   8.01,   8.12,  99.90,   0.01,  (max)
01/18 04Z,   0.00,   8.13,   7.95,  99.90,  -0.18,
01/18 05Z,   0.00,   7.30,   7.32,  99.90,   0.02,
01/18 06Z,   0.00,   5.66,   5.72,  99.90,   0.06,
01/18 07Z,   0.00,   3.70,   3.65,  99.90,  -0.05,
01/18 08Z,   0.00,   2.07,   1.98,  99.90,  -0.09,
01/18 09Z,   0.00,   1.22,   1.19,  99.90,  -0.03,  (min)
01/18 10Z,   0.00,   1.33,   1.37,  99.90,   0.04,
01/18 11Z,   0.00,   2.42,   2.54,  99.90,   0.12,
01/18 12Z,   0.10,   4.30,   4.24,  99.90,  -0.16,
01/18 13Z,   0.10,   6.50,   6.57,  99.90,  -0.03,
01/18 14Z,   0.20,   8.37,   8.61,  99.90,   0.04,
01/18 15Z,   0.20,   9.46,   9.52,  99.90,  -0.14,
01/18 16Z,   0.20,   9.57,   9.78,  99.90,   0.01,  (max)
01/18 17Z,   0.20,   8.66,   8.89,  99.90,   0.03,
01/18 18Z,   0.20,   6.81,   7.18,  99.90,   0.17,
01/18 19Z,   0.20,   4.42,   4.79,  99.90,   0.17,
01/18 20Z,   0.30,   2.15,   2.49,  99.90,   0.04,
01/18 21Z,   0.30,   0.59,   0.97,  99.90,   0.08,
01/18 22Z,   0.40,   0.02,   0.46,  99.90,   0.04,  (min)
01/18 23Z,   0.50,   0.50,   1.03,  99.90,   0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 00Z,   0.60,   1.96,  99.90,   2.58,   0.03,
01/19 01Z,   0.60,   4.04,  99.90,   4.66,   0.03,
01/19 02Z,   0.70,   6.14,  99.90,   6.86,   0.03,
01/19 03Z,   0.80,   7.68,  99.90,   8.51,   0.03,
01/19 04Z,   0.90,   8.38,  99.90,   9.30,   0.03,  (max)
01/19 05Z,   1.00,   8.11,  99.90,   9.14,   0.03,
01/19 06Z,   1.10,   6.89,  99.90,   8.02,   0.03,
01/19 07Z,   1.20,   4.96,  99.90,   6.19,   0.03,
01/19 08Z,   1.30,   2.93,  99.90,   4.25,   0.03,
01/19 09Z,   1.40,   1.45,  99.90,   2.87,   0.02,
01/19 10Z,   1.50,   0.91,  99.90,   2.44,   0.02,  (min)
01/19 11Z,   1.50,   1.43,  99.90,   2.95,   0.02,
01/19 12Z,   1.40,   2.90,  99.90,   4.33,   0.02,
01/19 13Z,   1.40,   5.05,  99.90,   6.48,   0.02,
01/19 14Z,   1.30,   7.30,  99.90,   8.63,   0.02,
01/19 15Z,   1.20,   9.01,  99.90,  10.23,   0.02,
01/19 16Z,   1.10,   9.78,  99.90,  10.90,   0.02,  (max)
01/19 17Z,   1.10,   9.48,  99.90,  10.61,   0.02,
01/19 18Z,   1.10,   8.15,  99.90,   9.28,   0.02,
01/19 19Z,   1.00,   5.97,  99.90,   6.99,   0.02,
01/19 20Z,   1.00,   3.45,  99.90,   4.47,   0.02,
01/19 21Z,   0.90,   1.30,  99.90,   2.23,   0.02,
01/19 22Z,   0.70,   0.07,  99.90,   0.79,   0.02,
01/19 23Z,   0.50,  -0.06,  99.90,   0.46,   0.02,  (min)
01/20 00Z,   0.30,   0.89,  99.90,   1.21,   0.02,
01/20 01Z,   0.10,   2.72,  99.90,   2.84,   0.02,
01/20 02Z,  -0.10,   4.97,  99.90,   4.90,   0.02,
01/20 03Z,  -0.20,   7.01,  99.90,   6.83,   0.02,
01/20 04Z,  -0.30,   8.29,  99.90,   8.01,   0.02,
01/20 05Z,  -0.40,   8.60,  99.90,   8.22,   0.02,  (max)
01/20 06Z,  -0.50,   7.91,  99.90,   7.43,   0.02,
01/20 07Z,  -0.50,   6.30,  99.90,   5.83,   0.02,
01/20 08Z,  -0.50,   4.16,  99.90,   3.69,   0.02,
01/20 09Z,  -0.40,   2.16,  99.90,   1.78,   0.02,
01/20 10Z,  -0.40,   0.93,  99.90,   0.55,   0.02,
01/20 11Z,  -0.40,   0.78,  99.90,   0.40,   0.02,  (min)
01/20 12Z,  -0.40,   1.71,  99.90,   1.33,   0.02,
01/20 13Z,  -0.40,   3.54,  99.90,   3.16,   0.02,
01/20 14Z,  -0.40,   5.86,  99.90,   5.49,   0.02,
01/20 15Z,  -0.40,   8.06,  99.90,   7.68,   0.02,
01/20 16Z,  -0.40,   9.50,  99.90,   9.12,   0.02,
01/20 17Z,  -0.40,   9.88,  99.90,   9.50,   0.02,  (max)
01/20 18Z,  -0.40,   9.15,  99.90,   8.78,   0.02,
01/20 19Z,  -0.40,   7.43,  99.90,   7.05,   0.02,
01/20 20Z,  -0.50,   5.00,  99.90,   4.52,   0.02,
01/20 21Z,  -0.60,   2.47,  99.90,   1.89,   0.02,
01/20 22Z,  -0.60,   0.57,  99.90,  -0.01,   0.02,
01/20 23Z,  -0.70,  -0.25,  99.90,  -0.92,   0.02,  (min)
01/21 00Z,  -0.80,   0.11,  99.90,  -0.67,   0.02,
01/21 01Z,  -0.90,   1.50,  99.90,   0.63,   0.02,
01/21 02Z,  -1.00,   3.64,  99.90,   2.66,   0.02,
01/21 03Z,  -1.00,   5.97,  99.90,   4.99,   0.02,
01/21 04Z,  -1.00,   7.82,  99.90,   6.85,   0.02,
01/21 05Z,  -1.00,   8.76,  99.90,   7.79,   0.02,
01/21 06Z,  -0.80,   8.65,  99.90,   7.87,   0.02,  (max)
01/21 07Z,  -0.70,   7.53,  99.90,   6.86,   0.02,
01/21 08Z,  -0.50,   5.61,  99.90,   5.13,   0.02,
01/21 09Z,  -0.40,   3.35,  99.90,   2.97,   0.02,
01/21 10Z,  -0.30,   1.47,  99.90,   1.19,   0.02,
01/21 11Z,  -0.20,   0.56,  99.90,   0.39,   0.02,  (min)
01/21 12Z,  -0.20,   0.82,  99.90,   0.64,   0.02,
01/21 13Z,  -0.10,   2.13,  99.90,   2.06,   0.02,
01/21 14Z,  -0.10,   4.23,  99.90,   4.15,   0.02,
01/21 15Z,  -0.10,   6.62,  99.90,   6.54,   0.02,
01/21 16Z,   0.00,   8.65,  99.90,   8.68,   0.02,
01/21 17Z,  -0.10,   9.76,  99.90,   9.69,   0.02,  (max)
01/21 18Z,  -0.10,   9.73,  99.90,   9.65,   0.02,
01/21 19Z,   0.00,   8.61,  99.90,   8.63,   0.02,
01/21 20Z,   0.00,   6.57,  99.90,   6.59,   0.02,
01/21 21Z,   0.00,   4.01,  99.90,   4.03,   0.02,
01/21 22Z,   0.00,   1.60,  99.90,   1.63,   0.02,
01/21 23Z,   0.00,   0.05,  99.90,   0.07,   0.02,
01/22 00Z,   0.00,  -0.30,  99.90,  -0.28,   0.02,  (min)
01/22 01Z,   0.00,   0.52,  99.90,   0.55,   0.02,
01/22 02Z,   0.00,   2.30,  99.90,   2.32,   0.02,
01/22 03Z,   0.00,   4.64,  99.90,   4.66,   0.02,
01/22 04Z,   0.00,   6.92,  99.90,   6.95,   0.02,
01/22 05Z,   0.00,   8.52,  99.90,   8.55,   0.02,
01/22 06Z,   0.00,   9.07,  99.90,   9.10,   0.02,  (max)
01/22 07Z,   0.00,   8.54,  99.90,   8.56,   0.02,
01/22 08Z,   0.00,   7.05,  99.90,   7.08,   0.02,
01/22 09Z,   0.00,   4.89,  99.90,   4.91,   0.02,
01/22 10Z,   0.00,   2.61,  99.90,   2.63,   0.02,
01/22 11Z,   0.00,   0.93,  99.90,   0.96,   0.02,
01/22 12Z,   0.00,   0.37,  99.90,   0.39,   0.02,  (min)
01/22 13Z,   0.10,   0.99,  99.90,   1.12,   0.02,
01/22 14Z,   0.10,   2.61,  99.90,   2.73,   0.02,
01/22 15Z,   0.10,   4.86,  99.90,   4.98,   0.02,
01/22 16Z,   0.10,   7.22,  99.90,   7.34,   0.02,
01/22 17Z,   0.10,   9.02,  99.90,   9.14,   0.02,
01/22 18Z,   0.10,   9.77,  99.90,   9.90,   0.02,