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 : 05/12/2026 03:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 12Z,   0.60,  10.30,  11.35,  99.90,   0.45,
05/10 13Z,   0.70,   8.61,   9.69,  99.90,   0.38,
05/10 14Z,   0.70,   7.56,   8.70,  99.90,   0.44,  (min)
05/10 15Z,   0.70,   7.89,   8.78,  99.90,   0.19,
05/10 16Z,   0.60,   9.61,   9.87,  99.90,  -0.34,
05/10 17Z,   0.60,  11.57,  11.41,  99.90,  -0.76,
05/10 18Z,   0.60,  13.07,  12.96,  99.90,  -0.71,
05/10 19Z,   0.60,  14.25,  14.07,  99.90,  -0.78,
05/10 20Z,   0.60,  14.92,  14.51,  99.90,  -1.01,  (max)
05/10 21Z,   0.60,  14.47,  14.02,  99.90,  -1.05,
05/10 22Z,   0.60,  12.73,  12.55,  99.90,  -0.78,
05/10 23Z,   0.60,  10.23,  10.50,  99.90,  -0.33,
05/11 00Z,   0.70,   7.81,   8.27,  99.90,  -0.24,
05/11 01Z,   0.70,   5.80,   6.30,  99.90,  -0.20,
05/11 02Z,   0.80,   4.29,   4.87,  99.90,  -0.22,
05/11 03Z,   0.90,   4.00,   4.57,  99.90,  -0.33,  (min)
05/11 04Z,   0.80,   5.56,   5.93,  99.90,  -0.43,
05/11 05Z,   0.80,   8.31,   8.43,  99.90,  -0.68,
05/11 06Z,   0.80,  11.13,  11.25,  99.90,  -0.68,
05/11 07Z,   0.80,  13.78,  13.84,  99.90,  -0.74,
05/11 08Z,   0.80,  16.07,  15.99,  99.90,  -0.88,
05/11 09Z,   0.80,  17.25,  17.01,  99.90,  -1.04,  (max)
05/11 10Z,   0.80,  16.75,  16.64,  99.90,  -0.91,
05/11 11Z,   0.80,  14.79,  14.88,  99.90,  -0.71,
05/11 12Z,   0.70,  12.22,  12.50,  99.90,  -0.42,
05/11 13Z,   0.60,   9.74,  10.00,  99.90,  -0.34,
05/11 14Z,   0.60,   7.52,   7.80,  99.90,  -0.32,
05/11 15Z,   0.50,   6.06,   6.27,  99.90,  -0.29,
05/11 16Z,   0.40,   6.30,   6.11,  99.90,  -0.59,  (min)
05/11 17Z,   0.30,   8.15,   7.53,  99.90,  -0.92,
05/11 18Z,   0.20,  10.46,   9.77,  99.90,  -0.89,
05/11 19Z,   0.10,  12.57,  11.94,  99.90,  -0.73,
05/11 20Z,   0.00,  14.43,  13.68,  99.90,  -0.75,
05/11 21Z,   0.00,  15.57,  14.61,  99.90,  -0.96,  (max)
05/11 22Z,   0.00,  15.28,  14.34,  99.90,  -0.94,
05/11 23Z,  -0.10,  13.50,  12.77,  99.90,  -0.63,
05/12 00Z,  -0.20,  10.86,  10.52,  99.90,  -0.14,
05/12 01Z,  -0.30,   8.23,   7.97,  99.90,   0.04,
05/12 02Z,  -0.30,   5.91,   5.76,  99.90,   0.15,
05/12 03Z,  -0.30,   4.16,   4.06,  99.90,   0.20,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/12 04Z,  -0.40,   3.93,  99.90,   3.69,   0.16,  (min)
05/12 05Z,  -0.40,   5.81,  99.90,   5.53,   0.12,
05/12 06Z,  -0.40,   8.92,  99.90,   8.60,   0.08,
05/12 07Z,  -0.40,  12.14,  99.90,  11.78,   0.04,
05/12 08Z,  -0.40,  15.13,  99.90,  14.72,  -0.00,
05/12 09Z,  -0.40,  17.46,  99.90,  17.02,  -0.04,
05/12 10Z,  -0.50,  18.31,  99.90,  17.72,  -0.08,  (max)
05/12 11Z,  -0.50,  17.23,  99.90,  16.60,  -0.12,
05/12 12Z,  -0.50,  14.63,  99.90,  13.97,  -0.17,
05/12 13Z,  -0.70,  11.46,  99.90,  10.55,  -0.21,
05/12 14Z,  -0.80,   8.36,  99.90,   7.31,  -0.25,
05/12 15Z,  -0.80,   5.59,  99.90,   4.50,  -0.29,
05/12 16Z,  -0.90,   3.93,  99.90,   2.74,  -0.29,  (min)
05/12 17Z,  -1.00,   4.42,  99.90,   3.13,  -0.29,
05/12 18Z,  -1.00,   6.82,  99.90,   5.53,  -0.29,
05/12 19Z,  -1.10,   9.85,  99.90,   8.47,  -0.29,
05/12 20Z,  -1.10,  12.80,  99.90,  11.42,  -0.29,
05/12 21Z,  -1.10,  15.35,  99.90,  13.96,  -0.29,
05/12 22Z,  -1.10,  16.75,  99.90,  15.37,  -0.29,  (max)
05/12 23Z,  -1.10,  16.35,  99.90,  14.96,  -0.29,
05/13 00Z,  -1.00,  14.23,  99.90,  12.94,  -0.29,
05/13 01Z,  -1.00,  11.24,  99.90,   9.95,  -0.29,
05/13 02Z,  -1.00,   8.24,  99.90,   6.95,  -0.29,
05/13 03Z,  -1.00,   5.58,  99.90,   4.30,  -0.29,
05/13 04Z,  -0.90,   3.76,  99.90,   2.57,  -0.29,  (min)
05/13 05Z,  -0.90,   3.89,  99.90,   2.71,  -0.29,
05/13 06Z,  -0.90,   6.40,  99.90,   5.21,  -0.29,
05/13 07Z,  -0.90,  10.13,  99.90,   8.94,  -0.29,
05/13 08Z,  -0.80,  13.86,  99.90,  12.77,  -0.29,
05/13 09Z,  -0.70,  17.09,  99.90,  16.10,  -0.29,
05/13 10Z,  -0.70,  19.18,  99.90,  18.19,  -0.29,
05/13 11Z,  -0.60,  19.34,  99.90,  18.45,  -0.29,  (max)
05/13 12Z,  -0.50,  17.36,  99.90,  16.57,  -0.29,
05/13 13Z,  -0.40,  13.89,  99.90,  13.21,  -0.29,
05/13 14Z,  -0.40,   9.97,  99.90,   9.28,  -0.29,
05/13 15Z,  -0.30,   6.23,  99.90,   5.64,  -0.29,
05/13 16Z,  -0.30,   3.06,  99.90,   2.47,  -0.29,
05/13 17Z,  -0.20,   1.51,  99.90,   1.02,  -0.29,  (min)
05/13 18Z,  -0.20,   2.65,  99.90,   2.16,  -0.29,
05/13 19Z,  -0.20,   5.95,  99.90,   5.47,  -0.29,
05/13 20Z,  -0.10,   9.95,  99.90,   9.57,  -0.29,
05/13 21Z,  -0.10,  13.77,  99.90,  13.38,  -0.29,
05/13 22Z,  -0.10,  16.80,  99.90,  16.41,  -0.29,
05/13 23Z,   0.00,  18.16,  99.90,  17.88,  -0.29,  (max)
05/14 00Z,   0.00,  17.34,  99.90,  17.05,  -0.29,
05/14 01Z,   0.00,  14.69,  99.90,  14.40,  -0.29,
05/14 02Z,   0.00,  11.22,  99.90,  10.93,  -0.29,
05/14 03Z,   0.00,   7.85,  99.90,   7.56,  -0.29,
05/14 04Z,   0.00,   4.97,  99.90,   4.69,  -0.29,
05/14 05Z,   0.00,   3.33,  99.90,   3.04,  -0.29,  (min)
05/14 06Z,   0.00,   4.13,  99.90,   3.84,  -0.29,
05/14 07Z,   0.00,   7.50,  99.90,   7.21,  -0.29,
05/14 08Z,   0.10,  11.96,  99.90,  11.77,  -0.29,
05/14 09Z,   0.10,  16.13,  99.90,  15.94,  -0.29,
05/14 10Z,   0.10,  19.33,  99.90,  19.15,  -0.29,
05/14 11Z,   0.20,  20.84,  99.90,  20.75,  -0.29,  (max)
05/14 12Z,   0.20,  20.00,  99.90,  19.91,  -0.29,
05/14 13Z,   0.20,  16.92,  99.90,  16.84,  -0.29,
05/14 14Z,   0.20,  12.52,  99.90,  12.43,  -0.29,
05/14 15Z,   0.10,   7.88,  99.90,   7.69,  -0.29,
05/14 16Z,   0.10,   3.62,  99.90,   3.43,  -0.29,
05/14 17Z,   0.10,   0.31,  99.90,   0.12,  -0.29,
05/14 18Z,   0.00,  -0.75,  99.90,  -1.04,  -0.29,  (min)
05/14 19Z,   0.00,   1.38,  99.90,   1.09,  -0.29,
05/14 20Z,   0.00,   5.78,  99.90,   5.50,  -0.29,
05/14 21Z,   0.00,  10.76,  99.90,  10.48,  -0.29,
05/14 22Z,   0.00,  15.25,  99.90,  14.97,  -0.29,
05/14 23Z,   0.00,  18.44,  99.90,  18.15,  -0.29,
05/15 00Z,   0.00,  19.45,  99.90,  19.16,  -0.29,  (max)
05/15 01Z,   0.00,  18.00,  99.90,  17.71,  -0.29,
05/15 02Z,   0.00,  14.74,  99.90,  14.46,  -0.29,
05/15 03Z,   0.00,  10.84,  99.90,  10.55,  -0.29,
05/15 04Z,   0.00,   7.19,  99.90,   6.90,  -0.29,
05/15 05Z,   0.00,   4.28,  99.90,   3.99,  -0.29,
05/15 06Z,   0.00,   3.07,  99.90,   2.78,  -0.29,  (min)
05/15 07Z,   0.00,   4.78,  99.90,   4.50,  -0.29,
05/15 08Z,   0.00,   9.12,  99.90,   8.83,  -0.29,
05/15 09Z,   0.00,  14.23,  99.90,  13.94,  -0.29,
05/15 10Z,   0.00,  18.59,  99.90,  18.30,  -0.29,
05/15 11Z,   0.00,  21.43,  99.90,  21.15,  -0.29,
05/15 12Z,   0.00,  22.05,  99.90,  21.76,  -0.29,  (max)
05/15 13Z,   0.00,  20.05,  99.90,  19.77,  -0.29,
05/15 14Z,   0.00,  15.90,  99.90,  15.62,  -0.29,
05/15 15Z,   0.00,  10.68,  99.90,  10.40,  -0.29,
05/15 16Z,   0.00,   5.49,  99.90,   5.20,  -0.29,
05/15 17Z,  -0.10,   0.94,  99.90,   0.55,  -0.29,
05/15 18Z,  -0.10,  -2.20,  99.90,  -2.59,  -0.29,
05/15 19Z,  99.90,  -2.46,  99.90,  99.90,  -0.29,
05/15 20Z,  99.90,   0.84,  99.90,  99.90,  -0.29,
05/15 21Z,  99.90,   6.33,  99.90,  99.90,  -0.29,
05/15 22Z,  99.90,  12.09,  99.90,  99.90,  -0.29,
05/15 23Z,  99.90,  16.90,  99.90,  99.90,  -0.29,
05/16 00Z,  99.90,  19.89,  99.90,  99.90,  -0.29,