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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Port Aransas, TX
Padre Island, TX
Surge List
Gulf Coast
#Ketchikan, AK : 04/20/2025 15:22:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 00Z,  -0.20,  10.40,  10.12,  99.90,  -0.08,
04/19 01Z,  -0.20,  11.16,  10.94,  99.90,  -0.02,  (max)
04/19 02Z,  -0.20,  10.92,  10.56,  99.90,  -0.16,
04/19 03Z,  -0.20,   9.82,   9.40,  99.90,  -0.22,
04/19 04Z,  -0.20,   8.25,   7.82,  99.90,  -0.23,
04/19 05Z,  -0.20,   6.76,   6.35,  99.90,  -0.21,
04/19 06Z,  -0.40,   5.84,   5.43,  99.90,  -0.01,  (min)
04/19 07Z,  -0.40,   5.84,   5.49,  99.90,   0.05,
04/19 08Z,  -0.40,   6.79,   6.41,  99.90,   0.02,
04/19 09Z,  -0.40,   8.46,   7.99,  99.90,  -0.07,
04/19 10Z,  -0.40,  10.43,   9.85,  99.90,  -0.18,
04/19 11Z,  -0.40,  12.21,  11.57,  99.90,  -0.24,
04/19 12Z,  -0.50,  13.33,  12.71,  99.90,  -0.12,
04/19 13Z,  -0.50,  13.47,  12.91,  99.90,  -0.06,  (max)
04/19 14Z,  -0.50,  12.50,  12.02,  99.90,   0.02,
04/19 15Z,  -0.50,  10.56,  10.10,  99.90,   0.04,
04/19 16Z,  -0.50,   8.02,   7.61,  99.90,   0.09,
04/19 17Z,  -0.50,   5.42,   5.08,  99.90,   0.16,
04/19 18Z,  -0.60,   3.31,   2.94,  99.90,   0.23,
04/19 19Z,  -0.60,   2.13,   1.72,  99.90,   0.19,
04/19 20Z,  -0.60,   2.03,   1.57,  99.90,   0.14,  (min)
04/19 21Z,  -0.60,   2.95,   2.48,  99.90,   0.13,
04/19 22Z,  -0.50,   4.60,   4.13,  99.90,   0.03,
04/19 23Z,  -0.50,   6.56,   6.17,  99.90,   0.11,
04/20 00Z,  -0.50,   8.42,   8.10,  99.90,   0.18,
04/20 01Z,  -0.50,   9.81,   9.51,  99.90,   0.20,
04/20 02Z,  -0.50,  10.47,  10.15,  99.90,   0.18,  (max)
04/20 03Z,  -0.50,  10.34,   9.93,  99.90,   0.09,
04/20 04Z,  -0.60,   9.52,   9.07,  99.90,   0.15,
04/20 05Z,  -0.60,   8.33,   7.91,  99.90,   0.18,
04/20 06Z,  -0.60,   7.20,   6.81,  99.90,   0.21,
04/20 07Z,  -0.60,   6.52,   6.20,  99.90,   0.28,
04/20 08Z,  -0.70,   6.54,   6.18,  99.90,   0.34,  (min)
04/20 09Z,  -0.70,   7.30,   6.87,  99.90,   0.27,
04/20 10Z,  -0.70,   8.64,   8.08,  99.90,   0.14,
04/20 11Z,  -0.70,  10.21,   9.56,  99.90,   0.05,
04/20 12Z,  -0.60,  11.64,  10.93,  99.90,  -0.11,
04/20 13Z,  -0.60,  12.53,  11.85,  99.90,  -0.08,
04/20 14Z,  -0.60,  12.62,  11.99,  99.90,  -0.03,  (max)
04/20 15Z,  -0.60,  11.79,  11.22,  99.90,   0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 16Z,  -0.60,  10.14,  99.90,   9.57,   0.03,
04/20 17Z,  -0.60,   7.96,  99.90,   7.39,   0.03,
04/20 18Z,  -0.60,   5.70,  99.90,   5.13,   0.03,
04/20 19Z,  -0.70,   3.81,  99.90,   3.14,   0.03,
04/20 20Z,  -0.70,   2.66,  99.90,   1.99,   0.03,
04/20 21Z,  -0.70,   2.43,  99.90,   1.77,   0.04,  (min)
04/20 22Z,  -0.60,   3.10,  99.90,   2.54,   0.04,
04/20 23Z,  -0.60,   4.46,  99.90,   3.90,   0.04,
04/21 00Z,  -0.60,   6.20,  99.90,   5.64,   0.04,
04/21 01Z,  -0.50,   7.96,  99.90,   7.50,   0.04,
04/21 02Z,  -0.50,   9.40,  99.90,   8.94,   0.04,
04/21 03Z,  -0.50,  10.26,  99.90,   9.80,   0.04,
04/21 04Z,  -0.50,  10.40,  99.90,   9.94,   0.04,  (max)
04/21 05Z,  -0.60,   9.86,  99.90,   9.30,   0.04,
04/21 06Z,  -0.60,   8.87,  99.90,   8.31,   0.04,
04/21 07Z,  -0.60,   7.78,  99.90,   7.22,   0.04,
04/21 08Z,  -0.70,   6.94,  99.90,   6.29,   0.04,
04/21 09Z,  -0.70,   6.66,  99.90,   6.00,   0.04,  (min)
04/21 10Z,  -0.70,   7.05,  99.90,   6.39,   0.04,
04/21 11Z,  -0.60,   8.03,  99.90,   7.48,   0.04,
04/21 12Z,  -0.60,   9.38,  99.90,   8.82,   0.04,
04/21 13Z,  -0.60,  10.74,  99.90,  10.18,   0.04,
04/21 14Z,  -0.60,  11.76,  99.90,  11.20,   0.04,
04/21 15Z,  -0.60,  12.12,  99.90,  11.56,   0.04,  (max)
04/21 16Z,  -0.60,  11.65,  99.90,  11.09,   0.04,
04/21 17Z,  -0.60,  10.34,  99.90,   9.78,   0.04,
04/21 18Z,  -0.60,   8.41,  99.90,   7.85,   0.04,
04/21 19Z,  -0.70,   6.23,  99.90,   5.57,   0.04,
04/21 20Z,  -0.60,   4.24,  99.90,   3.69,   0.04,
04/21 21Z,  -0.60,   2.86,  99.90,   2.30,   0.04,
04/21 22Z,  -0.60,   2.33,  99.90,   1.78,   0.04,  (min)
04/21 23Z,  -0.50,   2.75,  99.90,   2.29,   0.04,
04/22 00Z,  -0.50,   3.99,  99.90,   3.53,   0.04,
04/22 01Z,  -0.50,   5.79,  99.90,   5.33,   0.04,
04/22 02Z,  -0.50,   7.77,  99.90,   7.31,   0.04,
04/22 03Z,  -0.50,   9.54,  99.90,   9.08,   0.04,
04/22 04Z,  -0.50,  10.74,  99.90,  10.28,   0.04,
04/22 05Z,  -0.60,  11.14,  99.90,  10.58,   0.04,  (max)
04/22 06Z,  -0.60,  10.70,  99.90,  10.14,   0.04,
04/22 07Z,  -0.70,   9.58,  99.90,   8.92,   0.04,
04/22 08Z,  -0.70,   8.14,  99.90,   7.48,   0.04,
04/22 09Z,  -0.60,   6.82,  99.90,   6.26,   0.04,
04/22 10Z,  -0.60,   6.02,  99.90,   5.46,   0.04,  (min)
04/22 11Z,  -0.50,   6.00,  99.90,   5.54,   0.04,
04/22 12Z,  -0.50,   6.78,  99.90,   6.32,   0.04,
04/22 13Z,  -0.40,   8.17,  99.90,   7.81,   0.04,
04/22 14Z,  -0.40,   9.81,  99.90,   9.45,   0.04,
04/22 15Z,  -0.40,  11.28,  99.90,  10.92,   0.04,
04/22 16Z,  -0.50,  12.14,  99.90,  11.68,   0.04,  (max)
04/22 17Z,  -0.50,  12.08,  99.90,  11.62,   0.04,
04/22 18Z,  -0.60,  11.03,  99.90,  10.47,   0.04,
04/22 19Z,  -0.70,   9.12,  99.90,   8.46,   0.04,
04/22 20Z,  -0.70,   6.73,  99.90,   6.07,   0.04,
04/22 21Z,  -0.70,   4.39,  99.90,   3.73,   0.04,
04/22 22Z,  -0.60,   2.62,  99.90,   2.06,   0.04,
04/22 23Z,  -0.50,   1.81,  99.90,   1.35,   0.04,  (min)
04/23 00Z,  -0.40,   2.14,  99.90,   1.78,   0.04,
04/23 01Z,  -0.30,   3.53,  99.90,   3.27,   0.04,
04/23 02Z,  -0.30,   5.69,  99.90,   5.43,   0.04,
04/23 03Z,  -0.30,   8.16,  99.90,   7.90,   0.04,
04/23 04Z,  -0.30,  10.40,  99.90,  10.14,   0.04,
04/23 05Z,  -0.40,  11.92,  99.90,  11.56,   0.04,
04/23 06Z,  -0.50,  12.39,  99.90,  11.93,   0.04,  (max)
04/23 07Z,  -0.60,  11.72,  99.90,  11.16,   0.04,
04/23 08Z,  -0.60,  10.10,  99.90,   9.54,   0.04,
04/23 09Z,  -0.60,   7.98,  99.90,   7.42,   0.04,
04/23 10Z,  -0.60,   5.96,  99.90,   5.40,   0.04,
04/23 11Z,  -0.50,   4.60,  99.90,   4.14,   0.04,
04/23 12Z,  -0.40,   4.29,  99.90,   3.93,   0.04,  (min)
04/23 13Z,  -0.40,   5.13,  99.90,   4.77,   0.04,
04/23 14Z,  -0.40,   6.90,  99.90,   6.54,   0.04,
04/23 15Z,  -0.40,   9.14,  99.90,   8.78,   0.04,
04/23 16Z,  -0.40,  11.26,  99.90,  10.90,   0.04,
04/23 17Z,  -0.50,  12.67,  99.90,  12.21,   0.04,
04/23 18Z,  -0.50,  12.95,  99.90,  12.49,   0.04,  (max)
04/23 19Z,  -0.60,  11.93,  99.90,  11.37,   0.04,
04/23 20Z,  -0.60,   9.79,  99.90,   9.23,   0.04,
04/23 21Z,  -0.60,   6.98,  99.90,   6.42,   0.04,
04/23 22Z,  -0.50,   4.15,  99.90,   3.69,   0.04,
04/23 23Z,  -0.50,   2.01,  99.90,   1.55,   0.04,
04/24 00Z,  -0.40,   1.07,  99.90,   0.71,   0.04,  (min)
04/24 01Z,  -0.40,   1.58,  99.90,   1.22,   0.04,
04/24 02Z,  -0.40,   3.43,  99.90,   3.07,   0.04,
04/24 03Z,  -0.40,   6.20,  99.90,   5.84,   0.04,
04/24 04Z,  -0.40,   9.27,  99.90,   8.91,   0.04,
04/24 05Z,  -0.50,  11.94,  99.90,  11.48,   0.04,
04/24 06Z,  -0.60,  13.59,  99.90,  13.03,   0.04,
04/24 07Z,  99.90,  13.83,  99.90,  99.90,   0.04,
04/24 08Z,  99.90,  12.58,  99.90,  99.90,   0.04,
04/24 09Z,  99.90,  10.15,  99.90,  99.90,   0.04,
04/24 10Z,  99.90,   7.14,  99.90,  99.90,   0.04,
04/24 11Z,  99.90,   4.37,  99.90,  99.90,   0.04,
04/24 12Z,  99.90,   2.57,  99.90,  99.90,   0.04,