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 : 05/09/2026 19:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/08 00Z,  -0.10,   2.15,   1.40,  99.90,  -0.65,  (min)
05/08 01Z,  -0.20,   3.99,   3.86,  99.90,   0.07,
05/08 02Z,  -0.20,   7.34,   7.09,  99.90,  -0.05,
05/08 03Z,  -0.20,  10.73,  10.28,  99.90,  -0.25,
05/08 04Z,  -0.20,  13.40,  13.20,  99.90,   0.00,
05/08 05Z,  -0.20,  15.44,  15.35,  99.90,   0.11,
05/08 06Z,  -0.30,  16.62,  16.31,  99.90,  -0.01,  (max)
05/08 07Z,  -0.30,  16.37,  15.82,  99.90,  -0.25,
05/08 08Z,  -0.30,  14.63,  14.06,  99.90,  -0.27,
05/08 09Z,  -0.30,  12.14,  11.88,  99.90,   0.04,
05/08 10Z,  -0.30,   9.94,   9.96,  99.90,   0.32,
05/08 11Z,  -0.30,   8.54,   8.54,  99.90,   0.30,
05/08 12Z,  -0.30,   8.08,   8.13,  99.90,   0.35,  (min)
05/08 13Z,  -0.30,   9.02,   9.17,  99.90,   0.45,
05/08 14Z,  -0.30,  11.38,  11.07,  99.90,  -0.01,
05/08 15Z,  -0.30,  13.89,  13.02,  99.90,  -0.57,
05/08 16Z,  -0.30,  15.36,  14.64,  99.90,  -0.42,
05/08 17Z,  -0.40,  15.87,  15.54,  99.90,   0.07,  (max)
05/08 18Z,  -0.40,  15.69,  15.33,  99.90,   0.04,
05/08 19Z,  -0.40,  14.55,  13.88,  99.90,  -0.27,
05/08 20Z,  -0.40,  12.28,  11.59,  99.90,  -0.29,
05/08 21Z,  -0.40,   9.29,   8.95,  99.90,   0.06,
05/08 22Z,  -0.40,   6.48,   6.30,  99.90,   0.22,
05/08 23Z,  -0.40,   4.45,   3.87,  99.90,  -0.18,
05/09 00Z,  -0.30,   3.24,   2.48,  99.90,  -0.46,  (min)
05/09 01Z,  -0.30,   3.20,   2.79,  99.90,  -0.11,
05/09 02Z,  -0.30,   4.91,   4.94,  99.90,   0.33,
05/09 03Z,  -0.30,   7.86,   7.77,  99.90,   0.21,
05/09 04Z,  -0.20,  10.76,  10.67,  99.90,   0.11,
05/09 05Z,  -0.20,  13.13,  13.32,  99.90,   0.39,
05/09 06Z,  -0.10,  15.11,  15.31,  99.90,   0.30,
05/09 07Z,  -0.10,  16.31,  16.24,  99.90,   0.03,  (max)
05/09 08Z,   0.00,  16.10,  15.88,  99.90,  -0.22,
05/09 09Z,   0.00,  14.48,  14.46,  99.90,  -0.02,
05/09 10Z,   0.00,  12.22,  12.63,  99.90,   0.41,
05/09 11Z,   0.00,  10.25,  10.84,  99.90,   0.59,
05/09 12Z,   0.00,   8.87,   9.43,  99.90,   0.56,
05/09 13Z,   0.10,   8.21,   8.84,  99.90,   0.53,  (min)
05/09 14Z,   0.10,   8.86,   9.40,  99.90,   0.44,
05/09 15Z,   0.20,  10.80,  10.82,  99.90,  -0.18,
05/09 16Z,   0.10,  12.85,  12.37,  99.90,  -0.58,
05/09 17Z,   0.10,  14.12,  13.79,  99.90,  -0.43,
05/09 18Z,   0.10,  14.80,  14.70,  99.90,  -0.20,
05/09 19Z,   0.10,  14.97,  14.78,  99.90,  -0.29,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/09 20Z,   0.10,  14.19,  99.90,  14.02,  -0.27,
05/09 21Z,   0.10,  12.24,  99.90,  12.09,  -0.25,
05/09 22Z,   0.20,   9.61,  99.90,   9.58,  -0.23,
05/09 23Z,   0.20,   7.13,  99.90,   7.11,  -0.22,
05/10 00Z,   0.30,   5.25,  99.90,   5.36,  -0.20,
05/10 01Z,   0.30,   3.99,  99.90,   4.10,  -0.18,
05/10 02Z,   0.30,   3.81,  99.90,   3.95,  -0.16,  (min)
05/10 03Z,   0.40,   5.37,  99.90,   5.62,  -0.14,
05/10 04Z,   0.40,   8.07,  99.90,   8.34,  -0.13,
05/10 05Z,   0.40,  10.76,  99.90,  11.05,  -0.11,
05/10 06Z,   0.40,  13.16,  99.90,  13.46,  -0.09,
05/10 07Z,   0.40,  15.27,  99.90,  15.59,  -0.07,
05/10 08Z,   0.40,  16.52,  99.90,  16.84,  -0.07,  (max)
05/10 09Z,   0.40,  16.27,  99.90,  16.60,  -0.07,
05/10 10Z,   0.40,  14.62,  99.90,  14.95,  -0.07,
05/10 11Z,   0.40,  12.37,  99.90,  12.70,  -0.07,
05/10 12Z,   0.40,  10.30,  99.90,  10.63,  -0.07,
05/10 13Z,   0.50,   8.61,  99.90,   9.04,  -0.07,
05/10 14Z,   0.50,   7.56,  99.90,   7.98,  -0.07,  (min)
05/10 15Z,   0.50,   7.89,  99.90,   8.32,  -0.07,
05/10 16Z,   0.50,   9.61,  99.90,  10.04,  -0.07,
05/10 17Z,   0.50,  11.57,  99.90,  12.00,  -0.07,
05/10 18Z,   0.40,  13.07,  99.90,  13.40,  -0.07,
05/10 19Z,   0.40,  14.25,  99.90,  14.58,  -0.07,
05/10 20Z,   0.40,  14.92,  99.90,  15.24,  -0.07,  (max)
05/10 21Z,   0.40,  14.47,  99.90,  14.80,  -0.07,
05/10 22Z,   0.40,  12.73,  99.90,  13.06,  -0.07,
05/10 23Z,   0.50,  10.23,  99.90,  10.66,  -0.07,
05/11 00Z,   0.50,   7.81,  99.90,   8.23,  -0.07,
05/11 01Z,   0.50,   5.80,  99.90,   6.22,  -0.07,
05/11 02Z,   0.50,   4.29,  99.90,   4.72,  -0.07,
05/11 03Z,   0.50,   4.00,  99.90,   4.42,  -0.07,  (min)
05/11 04Z,   0.50,   5.56,  99.90,   5.99,  -0.07,
05/11 05Z,   0.60,   8.31,  99.90,   8.83,  -0.07,
05/11 06Z,   0.60,  11.13,  99.90,  11.66,  -0.07,
05/11 07Z,   0.60,  13.78,  99.90,  14.31,  -0.07,
05/11 08Z,   0.60,  16.07,  99.90,  16.59,  -0.07,
05/11 09Z,   0.60,  17.25,  99.90,  17.78,  -0.07,  (max)
05/11 10Z,   0.60,  16.75,  99.90,  17.28,  -0.07,
05/11 11Z,   0.60,  14.79,  99.90,  15.32,  -0.07,
05/11 12Z,   0.60,  12.22,  99.90,  12.74,  -0.07,
05/11 13Z,   0.60,   9.74,  99.90,  10.26,  -0.07,
05/11 14Z,   0.50,   7.52,  99.90,   7.95,  -0.07,
05/11 15Z,   0.40,   6.06,  99.90,   6.39,  -0.07,  (min)
05/11 16Z,   0.30,   6.30,  99.90,   6.53,  -0.07,
05/11 17Z,   0.20,   8.15,  99.90,   8.28,  -0.07,
05/11 18Z,   0.10,  10.46,  99.90,  10.49,  -0.07,
05/11 19Z,   0.10,  12.57,  99.90,  12.60,  -0.07,
05/11 20Z,   0.00,  14.43,  99.90,  14.36,  -0.07,
05/11 21Z,   0.00,  15.57,  99.90,  15.49,  -0.07,  (max)
05/11 22Z,   0.00,  15.28,  99.90,  15.21,  -0.07,
05/11 23Z,   0.00,  13.50,  99.90,  13.42,  -0.07,
05/12 00Z,  -0.10,  10.86,  99.90,  10.69,  -0.07,
05/12 01Z,  -0.10,   8.23,  99.90,   8.05,  -0.07,
05/12 02Z,  -0.20,   5.91,  99.90,   5.63,  -0.07,
05/12 03Z,  -0.20,   4.16,  99.90,   3.88,  -0.07,
05/12 04Z,  -0.30,   3.93,  99.90,   3.56,  -0.07,  (min)
05/12 05Z,  -0.30,   5.81,  99.90,   5.44,  -0.07,
05/12 06Z,  -0.40,   8.92,  99.90,   8.44,  -0.07,
05/12 07Z,  -0.40,  12.14,  99.90,  11.67,  -0.07,
05/12 08Z,  -0.40,  15.13,  99.90,  14.65,  -0.07,
05/12 09Z,  -0.40,  17.46,  99.90,  16.98,  -0.07,
05/12 10Z,  -0.40,  18.31,  99.90,  17.83,  -0.07,  (max)
05/12 11Z,  -0.50,  17.23,  99.90,  16.65,  -0.07,
05/12 12Z,  -0.50,  14.63,  99.90,  14.06,  -0.07,
05/12 13Z,  -0.50,  11.46,  99.90,  10.88,  -0.07,
05/12 14Z,  -0.50,   8.36,  99.90,   7.78,  -0.07,
05/12 15Z,  -0.60,   5.59,  99.90,   4.92,  -0.07,
05/12 16Z,  -0.60,   3.93,  99.90,   3.25,  -0.07,  (min)
05/12 17Z,  -0.70,   4.42,  99.90,   3.64,  -0.07,
05/12 18Z,  -0.70,   6.82,  99.90,   6.04,  -0.07,
05/12 19Z,  -0.80,   9.85,  99.90,   8.98,  -0.07,
05/12 20Z,  -0.80,  12.80,  99.90,  11.93,  -0.07,
05/12 21Z,  -0.80,  15.35,  99.90,  14.47,  -0.07,
05/12 22Z,  -0.80,  16.75,  99.90,  15.88,  -0.07,  (max)
05/12 23Z,  -0.90,  16.35,  99.90,  15.37,  -0.07,
05/13 00Z,  -0.90,  14.23,  99.90,  13.26,  -0.07,
05/13 01Z,  -0.90,  11.24,  99.90,  10.26,  -0.07,
05/13 02Z,  -0.90,   8.24,  99.90,   7.26,  -0.07,
05/13 03Z,  -0.80,   5.58,  99.90,   4.71,  -0.07,
05/13 04Z,  -0.70,   3.76,  99.90,   2.98,  -0.07,  (min)
05/13 05Z,  -0.70,   3.89,  99.90,   3.12,  -0.07,
05/13 06Z,  -0.70,   6.40,  99.90,   5.62,  -0.07,
05/13 07Z,  -0.70,  10.13,  99.90,   9.35,  -0.07,
05/13 08Z,  -0.70,  13.86,  99.90,  13.09,  -0.07,
05/13 09Z,  -0.60,  17.09,  99.90,  16.41,  -0.07,
05/13 10Z,  -0.50,  19.18,  99.90,  18.61,  -0.07,
05/13 11Z,  -0.40,  19.34,  99.90,  18.87,  -0.07,  (max)
05/13 12Z,  -0.40,  17.36,  99.90,  16.89,  -0.07,