EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 09/14/2026 10:22:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/12 18Z,  -0.20,   6.28,   6.00,  99.90,  -0.08,
09/12 19Z,  -0.30,   1.39,   1.36,  99.90,   0.27,
09/12 20Z,  -0.30,  -1.37,  -1.89,  99.90,  -0.22,
09/12 21Z,  -0.30,  -0.34,  -2.05,  99.90,  -1.41,  (min)
09/12 22Z,  -0.30,   4.38,   3.69,  99.90,  -0.39,
09/12 23Z,  -0.30,  10.73,  10.42,  99.90,  -0.01,
09/13 00Z,  -0.30,  16.80,  16.14,  99.90,  -0.36,
09/13 01Z,  -0.30,  21.38,  20.53,  99.90,  -0.55,
09/13 02Z,  -0.30,  23.48,  22.79,  99.90,  -0.39,  (max)
09/13 03Z,  -0.30,  22.59,  22.02,  99.90,  -0.27,
09/13 04Z,  -0.30,  19.05,  18.19,  99.90,  -0.56,
09/13 05Z,  -0.30,  13.90,  12.64,  99.90,  -0.96,
09/13 06Z,  -0.30,   8.29,   7.60,  99.90,  -0.39,
09/13 07Z,  -0.30,   3.04,   2.79,  99.90,   0.05,
09/13 08Z,  -0.40,  -0.78,  -1.09,  99.90,   0.09,
09/13 09Z,  -0.40,  -1.41,  -2.75,  99.90,  -0.94,  (min)
09/13 10Z,  -0.40,   1.90,   0.68,  99.90,  -0.82,
09/13 11Z,  -0.30,   7.69,   7.40,  99.90,   0.01,
09/13 12Z,  -0.30,  13.78,  13.38,  99.90,  -0.10,
09/13 13Z,  -0.30,  18.83,  18.07,  99.90,  -0.46,
09/13 14Z,  -0.30,  21.87,  21.09,  99.90,  -0.48,
09/13 15Z,  -0.30,  22.15,  21.52,  99.90,  -0.33,  (max)
09/13 16Z,  -0.30,  19.64,  19.01,  99.90,  -0.33,
09/13 17Z,  -0.30,  15.15,  14.18,  99.90,  -0.67,
09/13 18Z,  -0.30,   9.91,   9.09,  99.90,  -0.52,
09/13 19Z,  -0.40,   4.96,   4.57,  99.90,   0.01,
09/13 20Z,  -0.40,   1.15,   0.56,  99.90,  -0.19,
09/13 21Z,  -0.40,  -0.09,  -1.43,  99.90,  -0.94,  (min)
09/13 22Z,  -0.40,   2.45,   1.11,  99.90,  -0.94,
09/13 23Z,  -0.40,   7.93,   7.56,  99.90,   0.03,
09/14 00Z,  -0.30,  14.07,  13.46,  99.90,  -0.31,
09/14 01Z,  -0.30,  19.17,  18.26,  99.90,  -0.61,
09/14 02Z,  -0.30,  22.40,  21.57,  99.90,  -0.53,
09/14 03Z,  -0.30,  23.08,  22.41,  99.90,  -0.37,  (max)
09/14 04Z,  -0.30,  20.99,  20.24,  99.90,  -0.45,
09/14 05Z,  -0.30,  16.69,  15.62,  99.90,  -0.77,
09/14 06Z,  -0.30,  11.32,  10.43,  99.90,  -0.59,
09/14 07Z,  -0.30,   5.99,   5.72,  99.90,   0.03,
09/14 08Z,  -0.30,   1.48,   1.27,  99.90,   0.09,
09/14 09Z,  -0.30,  -1.16,  -1.80,  99.90,  -0.34,  (min)
09/14 10Z,  -0.30,  -0.44,  -1.78,  99.90,  -1.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 11Z,  -0.30,   3.75,  99.90,   2.47,  -0.98,
09/14 12Z,  -0.30,   9.58,  99.90,   8.35,  -0.93,
09/14 13Z,  -0.20,  15.06,  99.90,  13.98,  -0.87,
09/14 14Z,  -0.20,  19.18,  99.90,  18.16,  -0.82,
09/14 15Z,  -0.20,  21.24,  99.90,  20.28,  -0.77,  (max)
09/14 16Z,  -0.20,  20.71,  99.90,  19.80,  -0.71,
09/14 17Z,  -0.20,  17.73,  99.90,  16.87,  -0.66,
09/14 18Z,  -0.20,  13.23,  99.90,  12.43,  -0.60,
09/14 19Z,  -0.20,   8.50,  99.90,   7.75,  -0.55,
09/14 20Z,  -0.20,   4.50,  99.90,   3.80,  -0.49,
09/14 21Z,  -0.20,   2.01,  99.90,   1.36,  -0.44,  (min)
09/14 22Z,  -0.30,   2.23,  99.90,   1.55,  -0.39,
09/14 23Z,  -0.30,   5.81,  99.90,   5.12,  -0.39,
09/15 00Z,  -0.30,  11.36,  99.90,  10.67,  -0.39,
09/15 01Z,  -0.30,  16.63,  99.90,  15.94,  -0.39,
09/15 02Z,  -0.30,  20.40,  99.90,  19.71,  -0.39,
09/15 03Z,  -0.30,  22.20,  99.90,  21.52,  -0.39,  (max)
09/15 04Z,  -0.30,  21.66,  99.90,  20.97,  -0.39,
09/15 05Z,  -0.30,  18.75,  99.90,  18.07,  -0.39,
09/15 06Z,  -0.30,  14.16,  99.90,  13.47,  -0.39,
09/15 07Z,  -0.30,   9.04,  99.90,   8.35,  -0.39,
09/15 08Z,  -0.30,   4.44,  99.90,   3.75,  -0.39,
09/15 09Z,  -0.20,   0.98,  99.90,   0.39,  -0.39,
09/15 10Z,  -0.20,  -0.43,  99.90,  -1.02,  -0.39,  (min)
09/15 11Z,  -0.20,   1.32,  99.90,   0.73,  -0.39,
09/15 12Z,  -0.20,   5.82,  99.90,   5.23,  -0.39,
09/15 13Z,  -0.20,  11.10,  99.90,  10.51,  -0.39,
09/15 14Z,  -0.20,  15.59,  99.90,  15.01,  -0.39,
09/15 15Z,  -0.10,  18.71,  99.90,  18.23,  -0.39,
09/15 16Z,   0.00,  19.96,  99.90,  19.57,  -0.39,  (max)
09/15 17Z,   0.00,  18.92,  99.90,  18.53,  -0.39,
09/15 18Z,   0.00,  15.85,  99.90,  15.46,  -0.39,
09/15 19Z,  -0.10,  11.75,  99.90,  11.26,  -0.39,
09/15 20Z,  -0.10,   7.87,  99.90,   7.39,  -0.39,
09/15 21Z,   0.00,   5.04,  99.90,   4.65,  -0.39,
09/15 22Z,   0.00,   3.82,  99.90,   3.43,  -0.39,  (min)
09/15 23Z,   0.20,   5.14,  99.90,   4.95,  -0.39,
09/16 00Z,   0.20,   9.09,  99.90,   8.91,  -0.39,
09/16 01Z,   0.10,  14.02,  99.90,  13.73,  -0.39,
09/16 02Z,   0.10,  17.99,  99.90,  17.70,  -0.39,
09/16 03Z,   0.20,  20.35,  99.90,  20.16,  -0.39,
09/16 04Z,   0.20,  20.96,  99.90,  20.78,  -0.39,  (max)
09/16 05Z,   0.40,  19.60,  99.90,  19.62,  -0.39,
09/16 06Z,   0.30,  16.35,  99.90,  16.27,  -0.39,
09/16 07Z,   0.40,  11.95,  99.90,  11.96,  -0.39,
09/16 08Z,   0.30,   7.52,  99.90,   7.43,  -0.39,
09/16 09Z,   0.40,   3.92,  99.90,   3.94,  -0.39,
09/16 10Z,   0.50,   1.55,  99.90,   1.67,  -0.39,
09/16 11Z,   0.50,   1.12,  99.90,   1.23,  -0.39,  (min)
09/16 12Z,   0.50,   3.36,  99.90,   3.47,  -0.39,
09/16 13Z,   0.50,   7.55,  99.90,   7.66,  -0.39,
09/16 14Z,   0.40,  11.87,  99.90,  11.88,  -0.39,
09/16 15Z,   0.40,  15.28,  99.90,  15.30,  -0.39,
09/16 16Z,   0.40,  17.57,  99.90,  17.59,  -0.39,
09/16 17Z,   0.30,  18.32,  99.90,  18.24,  -0.39,  (max)
09/16 18Z,   0.30,  17.15,  99.90,  17.07,  -0.39,
09/16 19Z,   0.20,  14.37,  99.90,  14.18,  -0.39,
09/16 20Z,   0.20,  11.00,  99.90,  10.81,  -0.39,
09/16 21Z,   0.20,   8.18,  99.90,   8.00,  -0.39,
09/16 22Z,   0.20,   6.46,  99.90,   6.28,  -0.39,
09/16 23Z,   0.30,   6.19,  99.90,   6.10,  -0.39,  (min)
09/17 00Z,   0.30,   8.00,  99.90,   7.91,  -0.39,
09/17 01Z,   0.30,  11.66,  99.90,  11.57,  -0.39,
09/17 02Z,   0.20,  15.47,  99.90,  15.29,  -0.39,
09/17 03Z,   0.10,  18.05,  99.90,  17.76,  -0.39,
09/17 04Z,   0.10,  19.23,  99.90,  18.94,  -0.39,  (max)
09/17 05Z,   0.00,  19.08,  99.90,  18.69,  -0.39,
09/17 06Z,   0.00,  17.40,  99.90,  17.01,  -0.39,
09/17 07Z,   0.00,  14.29,  99.90,  13.90,  -0.39,
09/17 08Z,   0.00,  10.49,  99.90,  10.10,  -0.39,
09/17 09Z,   0.00,   7.02,  99.90,   6.63,  -0.39,
09/17 10Z,   0.00,   4.45,  99.90,   4.06,  -0.39,
09/17 11Z,   0.00,   2.91,  99.90,   2.53,  -0.39,  (min)
09/17 12Z,   0.00,   2.95,  99.90,   2.57,  -0.39,
09/17 13Z,   0.00,   5.10,  99.90,   4.72,  -0.39,
09/17 14Z,  -0.10,   8.52,  99.90,   8.03,  -0.39,
09/17 15Z,  -0.10,  11.74,  99.90,  11.25,  -0.39,
09/17 16Z,  -0.20,  14.27,  99.90,  13.68,  -0.39,
09/17 17Z,  -0.30,  16.08,  99.90,  15.39,  -0.39,
09/17 18Z,  -0.30,  16.72,  99.90,  16.03,  -0.39,  (max)
09/17 19Z,  -0.40,  15.78,  99.90,  14.99,  -0.39,
09/17 20Z,  -0.40,  13.59,  99.90,  12.80,  -0.39,
09/17 21Z,  -0.40,  11.12,  99.90,  10.34,  -0.39,
09/17 22Z,  -0.40,   9.31,  99.90,   8.52,  -0.39,
09/17 23Z,  -0.40,   8.38,  99.90,   7.59,  -0.39,  (min)
09/18 00Z,  -0.40,   8.51,  99.90,   7.72,  -0.39,
09/18 01Z,  99.90,  10.20,  99.90,  99.90,  -0.39,
09/18 02Z,  99.90,  13.06,  99.90,  99.90,  -0.39,
09/18 03Z,  99.90,  15.62,  99.90,  99.90,  -0.39,
09/18 04Z,  99.90,  17.02,  99.90,  99.90,  -0.39,
09/18 05Z,  99.90,  17.49,  99.90,  99.90,  -0.39,
09/18 06Z,  99.90,  17.10,  99.90,  99.90,  -0.39,