EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Surge List
#Skagway, AK : 04/18/2026 12:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 12Z,   1.30,   8.73,   7.75,  99.90,  -2.28,
04/16 13Z,   1.40,   3.97,   3.01,  99.90,  -2.36,
04/16 14Z,   1.50,   0.14,  -0.97,  99.90,  -2.61,
04/16 15Z,   1.60,  -1.58,  -2.71,  99.90,  -2.73,  (min)
04/16 16Z,   1.70,  -0.68,  -1.65,  99.90,  -2.67,
04/16 17Z,   1.80,   2.45,   1.37,  99.90,  -2.88,
04/16 18Z,   1.50,   6.88,   5.63,  99.90,  -2.75,
04/16 19Z,   1.60,  11.49,  10.14,  99.90,  -2.95,
04/16 20Z,   1.70,  15.13,  13.82,  99.90,  -3.01,
04/16 21Z,   1.80,  16.88,  15.56,  99.90,  -3.12,  (max)
04/16 22Z,   1.90,  16.45,  14.97,  99.90,  -3.38,
04/16 23Z,   1.90,  14.08,  12.70,  99.90,  -3.28,
04/17 00Z,   1.60,  10.35,   9.17,  99.90,  -2.78,
04/17 01Z,   1.70,   6.04,   4.87,  99.90,  -2.87,
04/17 02Z,   1.80,   2.26,   1.09,  99.90,  -2.97,
04/17 03Z,   1.80,   0.24,  -1.23,  99.90,  -3.27,  (min)
04/17 04Z,   1.80,   0.74,  -0.43,  99.90,  -2.97,
04/17 05Z,   1.80,   3.58,   2.43,  99.90,  -2.95,
04/17 06Z,   1.60,   7.90,   6.73,  99.90,  -2.77,
04/17 07Z,   1.70,  12.61,  11.56,  99.90,  -2.75,
04/17 08Z,   1.70,  16.53,  15.46,  99.90,  -2.77,
04/17 09Z,   1.80,  18.68,  17.68,  99.90,  -2.80,  (max)
04/17 10Z,   1.80,  18.49,  17.44,  99.90,  -2.85,
04/17 11Z,   1.70,  16.03,  15.07,  99.90,  -2.66,
04/17 12Z,   1.60,  11.82,  11.00,  99.90,  -2.42,
04/17 13Z,   1.70,   6.62,   5.60,  99.90,  -2.72,
04/17 14Z,   1.70,   1.53,   0.53,  99.90,  -2.70,
04/17 15Z,   1.70,  -2.05,  -3.10,  99.90,  -2.75,
04/17 16Z,   1.60,  -3.00,  -3.96,  99.90,  -2.56,  (min)
04/17 17Z,   1.60,  -1.10,  -2.00,  99.90,  -2.50,
04/17 18Z,   1.80,   2.96,   1.85,  99.90,  -2.91,
04/17 19Z,   1.80,   7.99,   6.88,  99.90,  -2.91,
04/17 20Z,   1.80,  12.76,  11.69,  99.90,  -2.87,
04/17 21Z,   1.80,  16.13,  14.91,  99.90,  -3.02,
04/17 22Z,   1.80,  17.36,  16.00,  99.90,  -3.16,  (max)
04/17 23Z,   1.70,  16.32,  14.99,  99.90,  -3.03,
04/18 00Z,   2.00,  13.42,  12.22,  99.90,  -3.20,
04/18 01Z,   1.90,   9.33,   8.34,  99.90,  -2.89,
04/18 02Z,   1.90,   4.97,   4.11,  99.90,  -2.76,
04/18 03Z,   1.80,   1.57,   0.51,  99.90,  -2.86,
04/18 04Z,   1.70,   0.33,  -0.71,  99.90,  -2.74,  (min)
04/18 05Z,   1.60,   1.77,   1.09,  99.90,  -2.28,
04/18 06Z,   1.50,   5.42,   4.72,  99.90,  -2.20,
04/18 07Z,   1.50,  10.20,   9.38,  99.90,  -2.32,
04/18 08Z,   1.40,  14.88,  14.13,  99.90,  -2.15,
04/18 09Z,   1.50,  18.31,  17.66,  99.90,  -2.15,
04/18 10Z,   1.60,  19.62,  18.80,  99.90,  -2.42,  (max)
04/18 11Z,   1.70,  18.44,  17.59,  99.90,  -2.55,
04/18 12Z,   1.80,  15.04,  14.19,  99.90,  -2.65,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 13Z,   1.90,  10.08,  99.90,   9.32,  -2.66,
04/18 14Z,   2.00,   4.48,  99.90,   3.81,  -2.67,
04/18 15Z,   1.90,  -0.51,  99.90,  -1.29,  -2.68,
04/18 16Z,   1.90,  -3.48,  99.90,  -4.27,  -2.69,
04/18 17Z,   1.80,  -3.51,  99.90,  -4.41,  -2.70,  (min)
04/18 18Z,   1.70,  -0.70,  99.90,  -1.71,  -2.71,
04/18 19Z,   1.60,   3.96,  99.90,   2.84,  -2.72,
04/18 20Z,   1.50,   9.18,  99.90,   7.95,  -2.73,
04/18 21Z,   1.50,  13.73,  99.90,  12.49,  -2.74,
04/18 22Z,   1.50,  16.60,  99.90,  15.35,  -2.75,
04/18 23Z,   1.50,  17.22,  99.90,  15.97,  -2.76,  (max)
04/19 00Z,   1.60,  15.66,  99.90,  14.49,  -2.77,
04/19 01Z,   1.60,  12.42,  99.90,  11.26,  -2.77,
04/19 02Z,   1.70,   8.27,  99.90,   7.21,  -2.77,
04/19 03Z,   1.70,   4.20,  99.90,   3.13,  -2.77,
04/19 04Z,   1.90,   1.45,  99.90,   0.58,  -2.77,
04/19 05Z,   2.00,   1.08,  99.90,   0.32,  -2.77,  (min)
04/19 06Z,   2.10,   3.33,  99.90,   2.66,  -2.77,
04/19 07Z,   2.20,   7.46,  99.90,   6.89,  -2.77,
04/19 08Z,   2.20,  12.27,  99.90,  11.70,  -2.77,
04/19 09Z,   2.10,  16.55,  99.90,  15.88,  -2.77,
04/19 10Z,   2.00,  19.26,  99.90,  18.49,  -2.77,
04/19 11Z,   1.70,  19.69,  99.90,  18.62,  -2.77,  (max)
04/19 12Z,   1.70,  17.66,  99.90,  16.60,  -2.77,
04/19 13Z,   1.70,  13.61,  99.90,  12.55,  -2.77,
04/19 14Z,   1.80,   8.31,  99.90,   7.34,  -2.77,
04/19 15Z,   1.90,   2.75,  99.90,   1.89,  -2.77,
04/19 16Z,   2.00,  -1.76,  99.90,  -2.53,  -2.77,
04/19 17Z,   2.00,  -3.93,  99.90,  -4.69,  -2.77,  (min)
04/19 18Z,   2.20,  -3.10,  99.90,  -3.67,  -2.77,
04/19 19Z,   2.20,   0.29,  99.90,  -0.27,  -2.77,
04/19 20Z,   2.10,   5.13,  99.90,   4.46,  -2.77,
04/19 21Z,   2.10,  10.12,  99.90,   9.46,  -2.77,
04/19 22Z,   1.80,  14.17,  99.90,  13.20,  -2.77,
04/19 23Z,   1.70,  16.42,  99.90,  15.36,  -2.77,  (max)
04/20 00Z,   1.60,  16.50,  99.90,  15.34,  -2.77,
04/20 01Z,   1.60,  14.61,  99.90,  13.45,  -2.77,
04/20 02Z,   1.70,  11.33,  99.90,  10.27,  -2.77,
04/20 03Z,   1.70,   7.44,  99.90,   6.37,  -2.77,
04/20 04Z,   1.80,   3.92,  99.90,   2.95,  -2.77,
04/20 05Z,   2.00,   1.94,  99.90,   1.17,  -2.77,  (min)
04/20 06Z,   2.10,   2.34,  99.90,   1.67,  -2.77,
04/20 07Z,   2.30,   5.08,  99.90,   4.61,  -2.77,
04/20 08Z,   2.40,   9.26,  99.90,   8.89,  -2.77,
04/20 09Z,   2.40,  13.71,  99.90,  13.34,  -2.77,
04/20 10Z,   2.30,  17.35,  99.90,  16.88,  -2.77,
04/20 11Z,   2.20,  19.28,  99.90,  18.72,  -2.77,  (max)
04/20 12Z,   2.10,  18.97,  99.90,  18.30,  -2.77,
04/20 13Z,   1.90,  16.40,  99.90,  15.53,  -2.77,
04/20 14Z,   1.90,  12.10,  99.90,  11.24,  -2.77,
04/20 15Z,   1.90,   6.89,  99.90,   6.02,  -2.77,
04/20 16Z,   2.00,   1.76,  99.90,   1.00,  -2.77,
04/20 17Z,   2.10,  -2.04,  99.90,  -2.71,  -2.77,
04/20 18Z,   2.20,  -3.42,  99.90,  -3.99,  -2.77,  (min)
04/20 19Z,   2.20,  -2.02,  99.90,  -2.58,  -2.77,
04/20 20Z,   2.20,   1.55,  99.90,   0.98,  -2.77,
04/20 21Z,   2.00,   6.13,  99.90,   5.36,  -2.77,
04/20 22Z,   1.80,  10.58,  99.90,   9.61,  -2.77,
04/20 23Z,   1.70,  13.98,  99.90,  12.92,  -2.77,
04/21 00Z,   1.70,  15.67,  99.90,  14.60,  -2.77,  (max)
04/21 01Z,   1.70,  15.39,  99.90,  14.33,  -2.77,
04/21 02Z,   1.80,  13.45,  99.90,  12.49,  -2.77,
04/21 03Z,   1.90,  10.43,  99.90,   9.57,  -2.77,
04/21 04Z,   2.00,   7.05,  99.90,   6.28,  -2.77,
04/21 05Z,   2.00,   4.21,  99.90,   3.44,  -2.77,
04/21 06Z,   2.00,   2.92,  99.90,   2.16,  -2.77,  (min)
04/21 07Z,   2.10,   3.80,  99.90,   3.14,  -2.77,
04/21 08Z,   1.80,   6.62,  99.90,   5.65,  -2.77,
04/21 09Z,   1.60,  10.46,  99.90,   9.29,  -2.77,
04/21 10Z,   1.50,  14.29,  99.90,  13.02,  -2.77,
04/21 11Z,   1.40,  17.21,  99.90,  15.84,  -2.77,
04/21 12Z,   1.50,  18.49,  99.90,  17.22,  -2.77,  (max)
04/21 13Z,   1.60,  17.71,  99.90,  16.54,  -2.77,
04/21 14Z,   1.80,  14.98,  99.90,  14.02,  -2.77,
04/21 15Z,   1.90,  10.86,  99.90,  10.00,  -2.77,
04/21 16Z,   2.00,   6.11,  99.90,   5.35,  -2.77,
04/21 17Z,   2.00,   1.66,  99.90,   0.89,  -2.77,
04/21 18Z,   2.10,  -1.42,  99.90,  -2.09,  -2.77,
04/21 19Z,   2.10,  -2.23,  99.90,  -2.90,  -2.77,  (min)
04/21 20Z,   2.00,  -0.63,  99.90,  -1.40,  -2.77,
04/21 21Z,   1.80,   2.69,  99.90,   1.72,  -2.77,
04/21 22Z,   1.60,   6.69,  99.90,   5.53,  -2.77,
04/21 23Z,   1.50,  10.47,  99.90,   9.21,  -2.77,
04/22 00Z,   1.50,  13.27,  99.90,  12.01,  -2.77,