EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 04/17/2026 22:21:09 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 06Z,   0.00,   1.25,   0.47,  99.90,  -0.78,
04/16 07Z,  -0.10,   1.12,  -0.41,  99.90,  -1.43,  (min)
04/16 08Z,  -0.10,   4.34,   3.47,  99.90,  -0.77,
04/16 09Z,  -0.20,   9.60,   9.27,  99.90,  -0.13,
04/16 10Z,  -0.20,  14.97,  14.37,  99.90,  -0.40,
04/16 11Z,  -0.20,  19.31,  18.63,  99.90,  -0.48,
04/16 12Z,  -0.10,  21.77,  21.25,  99.90,  -0.42,  (max)
04/16 13Z,  -0.20,  21.62,  21.23,  99.90,  -0.19,
04/16 14Z,  -0.30,  18.82,  18.34,  99.90,  -0.18,
04/16 15Z,  -0.30,  14.18,  13.55,  99.90,  -0.33,
04/16 16Z,  -0.30,   8.89,   8.72,  99.90,   0.13,
04/16 17Z,  -0.30,   3.91,   4.07,  99.90,   0.46,
04/16 18Z,  -0.30,  -0.08,  -0.09,  99.90,   0.29,
04/16 19Z,  -0.40,  -1.76,  -2.53,  99.90,  -0.37,  (min)
04/16 20Z,  -0.40,   0.17,  -1.13,  99.90,  -0.90,
04/16 21Z,  -0.50,   5.14,   4.88,  99.90,   0.24,
04/16 22Z,  -0.50,  11.09,  10.82,  99.90,   0.23,
04/16 23Z,  -0.40,  16.40,  15.70,  99.90,  -0.30,
04/17 00Z,  -0.40,  20.12,  19.40,  99.90,  -0.32,
04/17 01Z,  -0.40,  21.40,  20.83,  99.90,  -0.17,  (max)
04/17 02Z,  -0.40,  19.91,  19.40,  99.90,  -0.11,
04/17 03Z,  -0.50,  16.17,  15.43,  99.90,  -0.24,
04/17 04Z,  -0.50,  11.34,  10.61,  99.90,  -0.23,
04/17 05Z,  -0.40,   6.62,   6.28,  99.90,   0.06,
04/17 06Z,  -0.40,   2.75,   2.28,  99.90,  -0.07,
04/17 07Z,  -0.40,   0.72,  -0.30,  99.90,  -0.62,  (min)
04/17 08Z,  -0.40,   1.96,   0.73,  99.90,  -0.83,
04/17 09Z,  -0.30,   6.59,   6.58,  99.90,   0.29,
04/17 10Z,  -0.30,  12.71,  12.50,  99.90,   0.09,
04/17 11Z,  -0.30,  18.18,  17.52,  99.90,  -0.36,
04/17 12Z,  -0.20,  21.89,  21.40,  99.90,  -0.29,
04/17 13Z,  -0.20,  23.16,  22.87,  99.90,  -0.09,  (max)
04/17 14Z,  -0.20,  21.57,  21.32,  99.90,  -0.05,
04/17 15Z,  -0.20,  17.46,  16.96,  99.90,  -0.30,
04/17 16Z,  -0.20,  11.87,  11.53,  99.90,  -0.14,
04/17 17Z,  -0.20,   6.06,   6.66,  99.90,   0.80,
04/17 18Z,  -0.20,   0.96,   1.78,  99.90,   1.02,
04/17 19Z,  -0.20,  -2.58,  -2.16,  99.90,   0.62,
04/17 20Z,  -0.20,  -3.15,  -3.79,  99.90,  -0.44,  (min)
04/17 21Z,  -0.20,   0.23,  -0.26,  99.90,  -0.29,
04/17 22Z,  -0.20,   6.37,   6.58,  99.90,   0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 23Z,  -0.20,  12.90,  99.90,  13.04,   0.34,
04/18 00Z,  -0.20,  18.17,  99.90,  18.25,   0.27,
04/18 01Z,  -0.20,  21.34,  99.90,  21.35,   0.21,
04/18 02Z,  -0.20,  21.78,  99.90,  21.72,   0.14,  (max)
04/18 03Z,  -0.20,  19.44,  99.90,  19.31,   0.08,
04/18 04Z,  -0.20,  15.08,  99.90,  14.89,   0.01,
04/18 05Z,  -0.20,   9.99,  99.90,   9.74,  -0.06,
04/18 06Z,  -0.20,   5.36,  99.90,   5.04,  -0.12,
04/18 07Z,  -0.20,   2.00,  99.90,   1.62,  -0.19,
04/18 08Z,  -0.20,   1.02,  99.90,   0.57,  -0.25,  (min)
04/18 09Z,  -0.20,   3.64,  99.90,   3.12,  -0.32,
04/18 10Z,  -0.10,   9.36,  99.90,   8.88,  -0.39,
04/18 11Z,  -0.10,  15.80,  99.90,  15.31,  -0.39,
04/18 12Z,  -0.20,  20.83,  99.90,  20.24,  -0.39,
04/18 13Z,  -0.20,  23.54,  99.90,  22.95,  -0.39,  (max)
04/18 14Z,  -0.20,  23.51,  99.90,  22.92,  -0.39,
04/18 15Z,  -0.20,  20.67,  99.90,  20.08,  -0.39,
04/18 16Z,  -0.20,  15.60,  99.90,  15.01,  -0.39,
04/18 17Z,  -0.20,   9.46,  99.90,   8.87,  -0.39,
04/18 18Z,  -0.20,   3.51,  99.90,   2.92,  -0.39,
04/18 19Z,  -0.30,  -1.33,  99.90,  -2.02,  -0.39,
04/18 20Z,  -0.30,  -4.13,  99.90,  -4.82,  -0.39,  (min)
04/18 21Z,  -0.30,  -3.48,  99.90,  -4.16,  -0.39,
04/18 22Z,  -0.20,   1.13,  99.90,   0.55,  -0.39,
04/18 23Z,  -0.20,   7.95,  99.90,   7.37,  -0.39,
04/19 00Z,  -0.20,  14.48,  99.90,  13.90,  -0.39,
04/19 01Z,  -0.20,  19.30,  99.90,  18.71,  -0.39,
04/19 02Z,  -0.20,  21.75,  99.90,  21.17,  -0.39,  (max)
04/19 03Z,  -0.10,  21.43,  99.90,  20.94,  -0.39,
04/19 04Z,  -0.10,  18.50,  99.90,  18.01,  -0.39,
04/19 05Z,  -0.10,  13.86,  99.90,  13.38,  -0.39,
04/19 06Z,  -0.10,   8.84,  99.90,   8.36,  -0.39,
04/19 07Z,  -0.10,   4.61,  99.90,   4.12,  -0.39,
04/19 08Z,  -0.10,   1.99,  99.90,   1.51,  -0.39,  (min)
04/19 09Z,   0.00,   2.12,  99.90,   1.73,  -0.39,
04/19 10Z,   0.00,   5.86,  99.90,   5.48,  -0.39,
04/19 11Z,   0.10,  12.13,  99.90,  11.84,  -0.39,
04/19 12Z,   0.00,  18.27,  99.90,  17.88,  -0.39,
04/19 13Z,   0.00,  22.43,  99.90,  22.04,  -0.39,
04/19 14Z,   0.00,  24.02,  99.90,  23.64,  -0.39,  (max)
04/19 15Z,   0.00,  22.89,  99.90,  22.51,  -0.39,
04/19 16Z,   0.00,  19.19,  99.90,  18.80,  -0.39,
04/19 17Z,   0.00,  13.62,  99.90,  13.23,  -0.39,
04/19 18Z,   0.00,   7.37,  99.90,   6.98,  -0.39,
04/19 19Z,   0.00,   1.67,  99.90,   1.28,  -0.39,
04/19 20Z,   0.00,  -2.62,  99.90,  -3.00,  -0.39,
04/19 21Z,   0.00,  -4.53,  99.90,  -4.92,  -0.39,  (min)
04/19 22Z,   0.00,  -2.80,  99.90,  -3.19,  -0.39,
04/19 23Z,   0.00,   2.56,  99.90,   2.17,  -0.39,
04/20 00Z,   0.10,   9.43,  99.90,   9.14,  -0.39,
04/20 01Z,   0.10,  15.46,  99.90,  15.18,  -0.39,
04/20 02Z,   0.10,  19.58,  99.90,  19.30,  -0.39,
04/20 03Z,   0.40,  21.36,  99.90,  21.38,  -0.39,  (max)
04/20 04Z,   0.40,  20.52,  99.90,  20.54,  -0.39,
04/20 05Z,   0.20,  17.34,  99.90,  17.16,  -0.39,
04/20 06Z,   0.20,  12.77,  99.90,  12.58,  -0.39,
04/20 07Z,   0.20,   8.12,  99.90,   7.94,  -0.39,
04/20 08Z,   0.30,   4.50,  99.90,   4.42,  -0.39,
04/20 09Z,   0.40,   2.70,  99.90,   2.72,  -0.39,  (min)
04/20 10Z,   0.40,   3.75,  99.90,   3.77,  -0.39,
04/20 11Z,   0.50,   8.15,  99.90,   8.26,  -0.39,
04/20 12Z,   0.70,  14.31,  99.90,  14.63,  -0.39,
04/20 13Z,   0.80,  19.66,  99.90,  20.07,  -0.39,
04/20 14Z,   0.70,  22.77,  99.90,  23.08,  -0.39,
04/20 15Z,   0.70,  23.41,  99.90,  23.73,  -0.39,  (max)
04/20 16Z,   0.70,  21.58,  99.90,  21.89,  -0.39,
04/20 17Z,   0.80,  17.50,  99.90,  17.91,  -0.39,
04/20 18Z,   0.80,  11.90,  99.90,  12.32,  -0.39,
04/20 19Z,   0.80,   5.97,  99.90,   6.38,  -0.39,
04/20 20Z,   0.80,   0.83,  99.90,   1.25,  -0.39,
04/20 21Z,   0.70,  -2.74,  99.90,  -2.43,  -0.39,
04/20 22Z,   0.80,  -3.85,  99.90,  -3.43,  -0.39,  (min)
04/20 23Z,   0.90,  -1.44,  99.90,  -0.92,  -0.39,
04/21 00Z,   1.00,   4.06,  99.90,   4.68,  -0.39,
04/21 01Z,   1.00,  10.41,  99.90,  11.03,  -0.39,
04/21 02Z,   1.00,  15.64,  99.90,  16.25,  -0.39,
04/21 03Z,   1.10,  19.06,  99.90,  19.78,  -0.39,
04/21 04Z,   1.20,  20.38,  99.90,  21.19,  -0.39,  (max)
04/21 05Z,   1.30,  19.35,  99.90,  20.26,  -0.39,
04/21 06Z,   1.30,  16.25,  99.90,  17.16,  -0.39,
04/21 07Z,   1.30,  12.03,  99.90,  12.95,  -0.39,
04/21 08Z,   1.30,   7.99,  99.90,   8.91,  -0.39,
04/21 09Z,   1.30,   5.08,  99.90,   5.99,  -0.39,
04/21 10Z,   1.30,   3.96,  99.90,   4.88,  -0.39,  (min)
04/21 11Z,   1.20,   5.55,  99.90,   6.36,  -0.39,
04/21 12Z,   1.20,   9.98,  99.90,  10.80,  -0.39,
04/21 13Z,  99.90,  15.48,  99.90,  99.90,  -0.39,
04/21 14Z,  99.90,  19.76,  99.90,  99.90,  -0.39,
04/21 15Z,  99.90,  21.93,  99.90,  99.90,  -0.39,
04/21 16Z,  99.90,  21.98,  99.90,  99.90,  -0.39,
04/21 17Z,  99.90,  19.93,  99.90,  99.90,  -0.39,
04/21 18Z,  99.90,  15.96,  99.90,  99.90,  -0.39,