EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 07/18/2026 04:21:52 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/16 12Z,   0.00,  16.37,  99.90,  99.90,  99.90,
07/16 13Z,   0.00,  20.64,  99.90,  99.90,  99.90,
07/16 14Z,   0.00,  22.89,  99.90,  99.90,  99.90,
07/16 15Z,   0.00,  22.53,  99.90,  99.90,  99.90,  (max)
07/16 16Z,   0.00,  19.54,  19.16,  99.90,  -0.38,
07/16 17Z,  -0.10,  14.56,  13.88,  99.90,  -0.58,
07/16 18Z,  -0.10,   8.62,   8.70,  99.90,   0.18,
07/16 19Z,  -0.20,   2.68,   3.69,  99.90,   1.21,
07/16 20Z,  -0.20,  -2.34,  -0.96,  99.90,   1.58,
07/16 21Z,  -0.20,  -4.81,  -4.12,  99.90,   0.89,
07/16 22Z,  -0.20,  -3.19,  -4.31,  99.90,  -0.92,  (min)
07/16 23Z,  -0.30,   2.03,   1.55,  99.90,  -0.18,
07/17 00Z,  -0.30,   8.64,   8.62,  99.90,   0.28,
07/17 01Z,  -0.30,  14.84,  14.32,  99.90,  -0.22,
07/17 02Z,  -0.30,  19.61,  18.96,  99.90,  -0.35,
07/17 03Z,  -0.30,  22.05,  21.67,  99.90,  -0.08,  (max)
07/17 04Z,  -0.40,  21.68,  21.59,  99.90,   0.31,
07/17 05Z,  -0.40,  18.76,  18.44,  99.90,   0.08,
07/17 06Z,  -0.40,  14.23,  13.38,  99.90,  -0.45,
07/17 07Z,  -0.50,   9.20,   8.65,  99.90,  -0.05,
07/17 08Z,  -0.50,   4.60,   4.54,  99.90,   0.44,
07/17 09Z,  -0.50,   1.62,   1.34,  99.90,   0.22,
07/17 10Z,  -0.50,   1.92,   0.94,  99.90,  -0.48,  (min)
07/17 11Z,  -0.50,   5.78,   5.37,  99.90,   0.09,
07/17 12Z,  -0.50,  11.38,  11.21,  99.90,   0.33,
07/17 13Z,  -0.50,  16.63,  16.23,  99.90,   0.10,
07/17 14Z,  -0.50,  20.49,  20.18,  99.90,   0.19,
07/17 15Z,  -0.60,  22.32,  22.22,  99.90,   0.50,  (max)
07/17 16Z,  -0.60,  21.57,  21.47,  99.90,   0.50,
07/17 17Z,  -0.50,  18.27,  17.77,  99.90,  -0.00,
07/17 18Z,  -0.50,  13.16,  12.53,  99.90,  -0.13,
07/17 19Z,  -0.50,   7.36,   7.64,  99.90,   0.78,
07/17 20Z,  -0.50,   1.85,   2.81,  99.90,   1.46,
07/17 21Z,  -0.50,  -2.35,  -1.35,  99.90,   1.50,
07/17 22Z,  -0.50,  -3.66,  -3.70,  99.90,   0.46,  (min)
07/17 23Z,  -0.40,  -0.98,  -1.94,  99.90,  -0.56,
07/18 00Z,  -0.40,   4.65,   4.63,  99.90,   0.38,
07/18 01Z,  -0.30,  10.98,  11.08,  99.90,   0.40,
07/18 02Z,  -0.30,  16.54,  16.36,  99.90,   0.12,
07/18 03Z,  -0.30,  20.52,  20.37,  99.90,   0.15,
07/18 04Z,  -0.30,  22.15,  22.09,  99.90,   0.24,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 05Z,  -0.30,  21.05,  99.90,  20.97,   0.23,
07/18 06Z,  -0.30,  17.58,  99.90,  17.49,   0.22,
07/18 07Z,  -0.30,  12.79,  99.90,  12.70,   0.21,
07/18 08Z,  -0.30,   7.83,  99.90,   7.73,   0.20,
07/18 09Z,  -0.20,   3.59,  99.90,   3.58,   0.19,
07/18 10Z,  -0.20,   1.28,  99.90,   1.26,   0.18,  (min)
07/18 11Z,  -0.20,   2.29,  99.90,   2.26,   0.17,
07/18 12Z,  -0.20,   6.43,  99.90,   6.39,   0.16,
07/18 13Z,  -0.10,  11.73,  99.90,  11.78,   0.15,
07/18 14Z,  -0.10,  16.41,  99.90,  16.45,   0.14,
07/18 15Z,  -0.10,  19.74,  99.90,  19.77,   0.13,
07/18 16Z,  -0.10,  21.14,  99.90,  21.17,   0.12,  (max)
07/18 17Z,  -0.10,  20.10,  99.90,  20.12,   0.12,
07/18 18Z,  -0.10,  16.69,  99.90,  16.71,   0.12,
07/18 19Z,  -0.20,  11.73,  99.90,  11.66,   0.12,
07/18 20Z,  -0.20,   6.44,  99.90,   6.36,   0.12,
07/18 21Z,  -0.20,   1.76,  99.90,   1.69,   0.12,
07/18 22Z,  -0.20,  -1.36,  99.90,  -1.43,   0.12,
07/18 23Z,  -0.20,  -1.54,  99.90,  -1.61,   0.12,  (min)
07/19 00Z,  -0.20,   1.85,  99.90,   1.77,   0.12,
07/19 01Z,  -0.20,   7.39,  99.90,   7.32,   0.12,
07/19 02Z,  -0.20,  13.04,  99.90,  12.96,   0.12,
07/19 03Z,  -0.20,  17.71,  99.90,  17.63,   0.12,
07/19 04Z,  -0.30,  20.81,  99.90,  20.64,   0.12,
07/19 05Z,  -0.30,  21.65,  99.90,  21.48,   0.12,  (max)
07/19 06Z,  -0.30,  19.93,  99.90,  19.75,   0.12,
07/19 07Z,  -0.30,  16.15,  99.90,  15.97,   0.12,
07/19 08Z,  -0.40,  11.43,  99.90,  11.15,   0.12,
07/19 09Z,  -0.40,   6.87,  99.90,   6.60,   0.12,
07/19 10Z,  -0.40,   3.23,  99.90,   2.96,   0.12,
07/19 11Z,  -0.40,   1.59,  99.90,   1.31,   0.12,  (min)
07/19 12Z,  -0.40,   3.04,  99.90,   2.76,   0.12,
07/19 13Z,  -0.40,   7.04,  99.90,   6.76,   0.12,
07/19 14Z,  -0.50,  11.68,  99.90,  11.30,   0.12,
07/19 15Z,  -0.50,  15.64,  99.90,  15.27,   0.12,
07/19 16Z,  -0.60,  18.45,  99.90,  17.98,   0.12,
07/19 17Z,  -0.70,  19.53,  99.90,  18.96,   0.12,  (max)
07/19 18Z,  -0.70,  18.35,  99.90,  17.78,   0.12,
07/19 19Z,  -0.80,  15.07,  99.90,  14.39,   0.12,
07/19 20Z,  -0.90,  10.62,  99.90,   9.84,   0.12,
07/19 21Z,  -0.90,   6.19,  99.90,   5.41,   0.12,
07/19 22Z,  -0.90,   2.58,  99.90,   1.81,   0.12,
07/19 23Z,  -1.00,   0.56,  99.90,  -0.32,   0.12,  (min)
07/20 00Z,  -1.00,   1.24,  99.90,   0.37,   0.12,
07/20 01Z,  -1.10,   4.86,  99.90,   3.88,   0.12,
07/20 02Z,  -1.10,   9.85,  99.90,   8.87,   0.12,
07/20 03Z,  -1.10,  14.52,  99.90,  13.54,   0.12,
07/20 04Z,  -1.10,  18.22,  99.90,  17.24,   0.12,
07/20 05Z,  -1.10,  20.47,  99.90,  19.50,   0.12,
07/20 06Z,  -1.10,  20.64,  99.90,  19.66,   0.12,  (max)
07/20 07Z,  -1.10,  18.52,  99.90,  17.54,   0.12,
07/20 08Z,  -1.10,  14.73,  99.90,  13.76,   0.12,
07/20 09Z,  -1.00,  10.43,  99.90,   9.55,   0.12,
07/20 10Z,  -1.00,   6.50,  99.90,   5.63,   0.12,
07/20 11Z,  -1.00,   3.49,  99.90,   2.62,   0.12,
07/20 12Z,  -0.90,   2.32,  99.90,   1.55,   0.12,  (min)
07/20 13Z,  -0.90,   3.84,  99.90,   3.06,   0.12,
07/20 14Z,  -0.90,   7.33,  99.90,   6.55,   0.12,
07/20 15Z,  -0.90,  11.13,  99.90,  10.36,   0.12,
07/20 16Z,  -0.90,  14.40,  99.90,  13.63,   0.12,
07/20 17Z,  -0.90,  16.82,  99.90,  16.04,   0.12,
07/20 18Z,  -0.90,  17.75,  99.90,  16.97,   0.12,  (max)
07/20 19Z,  -0.90,  16.66,  99.90,  15.88,   0.12,
07/20 20Z,  -0.80,  13.79,  99.90,  13.11,   0.12,
07/20 21Z,  -0.80,  10.14,  99.90,   9.47,   0.12,
07/20 22Z,  -0.80,   6.78,  99.90,   6.10,   0.12,
07/20 23Z,  -0.80,   4.24,  99.90,   3.56,   0.12,
07/21 00Z,  -0.70,   3.06,  99.90,   2.48,   0.12,  (min)
07/21 01Z,  -0.70,   4.18,  99.90,   3.60,   0.12,
07/21 02Z,  -0.70,   7.54,  99.90,   6.97,   0.12,
07/21 03Z,  -0.70,  11.66,  99.90,  11.08,   0.12,
07/21 04Z,  -0.70,  15.27,  99.90,  14.69,   0.12,
07/21 05Z,  -0.70,  18.06,  99.90,  17.49,   0.12,
07/21 06Z,  -0.60,  19.63,  99.90,  19.15,   0.12,  (max)
07/21 07Z,  -0.60,  19.34,  99.90,  18.86,   0.12,
07/21 08Z,  -0.60,  17.10,  99.90,  16.63,   0.12,
07/21 09Z,  -0.60,  13.62,  99.90,  13.15,   0.12,
07/21 10Z,  -0.50,   9.95,  99.90,   9.58,   0.12,
07/21 11Z,  -0.40,   6.69,  99.90,   6.42,   0.12,
07/21 12Z,  -0.30,   4.14,  99.90,   3.96,   0.12,
07/21 13Z,  -0.30,   3.12,  99.90,   2.95,   0.12,  (min)
07/21 14Z,  -0.30,   4.37,  99.90,   4.19,   0.12,
07/21 15Z,  -0.30,   7.14,  99.90,   6.97,   0.12,
07/21 16Z,  -0.40,  10.14,  99.90,   9.87,   0.12,
07/21 17Z,  -0.40,  12.90,  99.90,  12.62,   0.12,
07/21 18Z,  -0.40,  15.14,  99.90,  14.87,   0.12,
07/21 19Z,  99.90,  16.14,  99.90,  99.90,   0.12,
07/21 20Z,  99.90,  15.38,  99.90,  99.90,   0.12,
07/21 21Z,  99.90,  13.15,  99.90,  99.90,   0.12,
07/21 22Z,  99.90,  10.46,  99.90,  99.90,   0.12,
07/21 23Z,  99.90,   8.12,  99.90,  99.90,   0.12,
07/22 00Z,  99.90,   6.37,  99.90,  99.90,   0.12,