EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 05/11/2026 20:21:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/10 00Z,   0.20,   6.08,   6.45,  99.90,   0.17,
05/10 01Z,   0.30,   8.04,   8.30,  99.90,  -0.04,
05/10 02Z,   0.40,   9.76,   9.90,  99.90,  -0.26,
05/10 03Z,   0.40,  10.88,  10.88,  99.90,  -0.40,
05/10 04Z,   0.40,  11.19,  11.18,  99.90,  -0.41,  (max)
05/10 05Z,   0.40,  10.68,  10.71,  99.90,  -0.37,
05/10 06Z,   0.20,   9.53,   9.79,  99.90,   0.06,
05/10 07Z,   0.20,   8.10,   8.41,  99.90,   0.11,
05/10 08Z,   0.20,   6.81,   7.14,  99.90,   0.13,
05/10 09Z,   0.30,   6.03,   6.34,  99.90,   0.01,
05/10 10Z,   0.30,   5.97,   6.09,  99.90,  -0.18,  (min)
05/10 11Z,   0.30,   6.66,   6.68,  99.90,  -0.28,
05/10 12Z,   0.10,   7.90,   7.80,  99.90,  -0.20,
05/10 13Z,   0.20,   9.37,   9.25,  99.90,  -0.32,
05/10 14Z,   0.20,  10.65,  10.63,  99.90,  -0.22,
05/10 15Z,   0.20,  11.37,  11.35,  99.90,  -0.22,  (max)
05/10 16Z,   0.20,  11.26,  11.24,  99.90,  -0.22,
05/10 17Z,   0.20,  10.26,  10.20,  99.90,  -0.26,
05/10 18Z,   0.00,   8.54,   8.46,  99.90,  -0.08,
05/10 19Z,   0.00,   6.47,   6.32,  99.90,  -0.15,
05/10 20Z,   0.00,   4.51,   4.38,  99.90,  -0.13,
05/10 21Z,   0.00,   3.11,   3.04,  99.90,  -0.07,
05/10 22Z,   0.00,   2.58,   2.57,  99.90,  -0.01,  (min)
05/10 23Z,   0.00,   3.03,   3.10,  99.90,   0.07,
05/11 00Z,  -0.10,   4.37,   4.30,  99.90,   0.03,
05/11 01Z,   0.00,   6.31,   6.11,  99.90,  -0.20,
05/11 02Z,   0.00,   8.46,   8.10,  99.90,  -0.36,
05/11 03Z,   0.00,  10.36,   9.87,  99.90,  -0.49,
05/11 04Z,   0.00,  11.61,  11.12,  99.90,  -0.49,
05/11 05Z,  -0.10,  11.95,  11.55,  99.90,  -0.30,  (max)
05/11 06Z,  -0.30,  11.31,  11.03,  99.90,   0.02,
05/11 07Z,  -0.20,   9.89,   9.76,  99.90,   0.07,
05/11 08Z,  -0.20,   8.06,   7.92,  99.90,   0.06,
05/11 09Z,  -0.20,   6.33,   6.15,  99.90,   0.02,
05/11 10Z,  -0.20,   5.14,   4.79,  99.90,  -0.15,
05/11 11Z,  -0.20,   4.81,   4.38,  99.90,  -0.23,  (min)
05/11 12Z,  -0.40,   5.42,   4.91,  99.90,  -0.11,
05/11 13Z,  -0.40,   6.79,   6.33,  99.90,  -0.06,
05/11 14Z,  -0.40,   8.55,   8.20,  99.90,   0.05,
05/11 15Z,  -0.40,  10.21,   9.90,  99.90,   0.09,
05/11 16Z,  -0.40,  11.31,  10.92,  99.90,   0.01,
05/11 17Z,  -0.40,  11.51,  10.98,  99.90,  -0.13,  (max)
05/11 18Z,  -0.40,  10.67,  10.04,  99.90,  -0.23,
05/11 19Z,  -0.50,   8.97,   8.32,  99.90,  -0.15,
05/11 20Z,  -0.50,   6.78,   6.20,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 21Z,  -0.50,   4.63,  99.90,   4.05,  -0.08,
05/11 22Z,  -0.60,   3.06,  99.90,   2.37,  -0.09,
05/11 23Z,  -0.60,   2.46,  99.90,   1.77,  -0.10,  (min)
05/12 00Z,  -0.60,   3.00,  99.90,   2.29,  -0.10,
05/12 01Z,  -0.60,   4.56,  99.90,   3.86,  -0.11,
05/12 02Z,  -0.60,   6.84,  99.90,   6.13,  -0.11,
05/12 03Z,  -0.60,   9.33,  99.90,   8.61,  -0.12,
05/12 04Z,  -0.50,  11.48,  99.90,  10.86,  -0.13,
05/12 05Z,  -0.50,  12.81,  99.90,  12.18,  -0.13,
05/12 06Z,  -0.50,  13.00,  99.90,  12.36,  -0.14,  (max)
05/12 07Z,  -0.50,  11.98,  99.90,  11.33,  -0.14,
05/12 08Z,  -0.40,  10.00,  99.90,   9.44,  -0.15,
05/12 09Z,  -0.40,   7.54,  99.90,   6.99,  -0.15,
05/12 10Z,  -0.40,   5.22,  99.90,   4.67,  -0.15,
05/12 11Z,  -0.40,   3.64,  99.90,   3.09,  -0.15,
05/12 12Z,  -0.50,   3.18,  99.90,   2.53,  -0.15,  (min)
05/12 13Z,  -0.50,   3.95,  99.90,   3.30,  -0.15,
05/12 14Z,  -0.50,   5.72,  99.90,   5.06,  -0.15,
05/12 15Z,  -0.40,   8.01,  99.90,   7.45,  -0.15,
05/12 16Z,  -0.40,  10.21,  99.90,   9.66,  -0.15,
05/12 17Z,  -0.40,  11.73,  99.90,  11.18,  -0.15,
05/12 18Z,  -0.40,  12.14,  99.90,  11.59,  -0.15,  (max)
05/12 19Z,  -0.40,  11.32,  99.90,  10.77,  -0.15,
05/12 20Z,  -0.30,   9.43,  99.90,   8.98,  -0.15,
05/12 21Z,  -0.30,   6.96,  99.90,   6.51,  -0.15,
05/12 22Z,  -0.20,   4.53,  99.90,   4.18,  -0.15,
05/12 23Z,  -0.10,   2.80,  99.90,   2.55,  -0.15,
05/13 00Z,   0.00,   2.25,  99.90,   2.10,  -0.15,  (min)
05/13 01Z,   0.00,   3.04,  99.90,   2.89,  -0.15,
05/13 02Z,   0.00,   5.04,  99.90,   4.89,  -0.15,
05/13 03Z,   0.00,   7.80,  99.90,   7.65,  -0.15,
05/13 04Z,   0.00,  10.68,  99.90,  10.53,  -0.15,
05/13 05Z,   0.00,  13.02,  99.90,  12.87,  -0.15,
05/13 06Z,   0.00,  14.26,  99.90,  14.11,  -0.15,  (max)
05/13 07Z,   0.00,  14.05,  99.90,  13.90,  -0.15,
05/13 08Z,   0.00,  12.41,  99.90,  12.25,  -0.15,
05/13 09Z,   0.00,   9.66,  99.90,   9.51,  -0.15,
05/13 10Z,   0.00,   6.45,  99.90,   6.30,  -0.15,
05/13 11Z,   0.00,   3.56,  99.90,   3.41,  -0.15,
05/13 12Z,   0.00,   1.72,  99.90,   1.56,  -0.15,
05/13 13Z,   0.10,   1.35,  99.90,   1.30,  -0.15,  (min)
05/13 14Z,   0.10,   2.54,  99.90,   2.49,  -0.15,
05/13 15Z,   0.10,   4.93,  99.90,   4.88,  -0.15,
05/13 16Z,   0.00,   7.89,  99.90,   7.74,  -0.15,
05/13 17Z,   0.00,  10.64,  99.90,  10.49,  -0.15,
05/13 18Z,   0.00,  12.50,  99.90,  12.35,  -0.15,
05/13 19Z,   0.00,  12.99,  99.90,  12.84,  -0.15,  (max)
05/13 20Z,   0.00,  12.00,  99.90,  11.85,  -0.15,
05/13 21Z,   0.00,   9.78,  99.90,   9.63,  -0.15,
05/13 22Z,   0.00,   6.92,  99.90,   6.77,  -0.15,
05/13 23Z,   0.00,   4.22,  99.90,   4.07,  -0.15,
05/14 00Z,   0.10,   2.43,  99.90,   2.38,  -0.15,
05/14 01Z,   0.10,   2.09,  99.90,   2.04,  -0.15,  (min)
05/14 02Z,   0.20,   3.33,  99.90,   3.38,  -0.15,
05/14 03Z,   0.20,   5.89,  99.90,   5.94,  -0.15,
05/14 04Z,   0.20,   9.17,  99.90,   9.22,  -0.15,
05/14 05Z,   0.10,  12.38,  99.90,  12.33,  -0.15,
05/14 06Z,   0.00,  14.75,  99.90,  14.59,  -0.15,
05/14 07Z,   0.00,  15.67,  99.90,  15.52,  -0.15,  (max)
05/14 08Z,   0.00,  14.87,  99.90,  14.72,  -0.15,
05/14 09Z,   0.00,  12.41,  99.90,  12.26,  -0.15,
05/14 10Z,   0.00,   8.81,  99.90,   8.66,  -0.15,
05/14 11Z,   0.00,   4.88,  99.90,   4.73,  -0.15,
05/14 12Z,   0.00,   1.56,  99.90,   1.41,  -0.15,
05/14 13Z,   0.10,  -0.33,  99.90,  -0.38,  -0.15,
05/14 14Z,   0.10,  -0.34,  99.90,  -0.39,  -0.15,  (min)
05/14 15Z,   0.00,   1.47,  99.90,   1.32,  -0.15,
05/14 16Z,   0.00,   4.59,  99.90,   4.44,  -0.15,
05/14 17Z,   0.00,   8.21,  99.90,   8.06,  -0.15,
05/14 18Z,  -0.10,  11.41,  99.90,  11.16,  -0.15,
05/14 19Z,  -0.20,  13.44,  99.90,  13.09,  -0.15,
05/14 20Z,  -0.20,  13.83,  99.90,  13.48,  -0.15,  (max)
05/14 21Z,  -0.20,  12.52,  99.90,  12.17,  -0.15,
05/14 22Z,  -0.20,   9.88,  99.90,   9.53,  -0.15,
05/14 23Z,  -0.10,   6.65,  99.90,   6.40,  -0.15,
05/15 00Z,   0.00,   3.77,  99.90,   3.62,  -0.15,
05/15 01Z,   0.00,   2.08,  99.90,   1.93,  -0.15,  (min)
05/15 02Z,   0.00,   2.12,  99.90,   1.97,  -0.15,
05/15 03Z,   0.00,   3.94,  99.90,   3.79,  -0.15,
05/15 04Z,   0.00,   7.09,  99.90,   6.94,  -0.15,
05/15 05Z,  -0.10,  10.80,  99.90,  10.55,  -0.15,
05/15 06Z,  -0.20,  14.17,  99.90,  13.82,  -0.15,
05/15 07Z,  -0.30,  16.36,  99.90,  15.91,  -0.15,
05/15 08Z,  -0.40,  16.80,  99.90,  16.25,  -0.15,  (max)
05/15 09Z,  -0.40,  15.25,  99.90,  14.70,  -0.15,
05/15 10Z,  -0.40,  11.95,  99.90,  11.40,  -0.15,
05/15 11Z,  -0.30,   7.55,  99.90,   7.10,  -0.15,
05/15 12Z,  -0.30,   3.05,  99.90,   2.60,  -0.15,