EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 05/15/2026 13:21:38 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 18Z,   0.00,  12.50,  12.41,  99.90,  -0.09,
05/13 19Z,   0.00,  12.99,  12.82,  99.90,  -0.17,  (max)
05/13 20Z,   0.00,  12.00,  11.84,  99.90,  -0.16,
05/13 21Z,   0.10,   9.78,   9.76,  99.90,  -0.12,
05/13 22Z,   0.20,   6.92,   7.04,  99.90,  -0.08,
05/13 23Z,   0.20,   4.22,   4.34,  99.90,  -0.08,
05/14 00Z,   0.00,   2.43,   2.52,  99.90,   0.09,
05/14 01Z,   0.00,   2.09,   2.13,  99.90,   0.04,  (min)
05/14 02Z,   0.10,   3.33,   3.23,  99.90,  -0.20,
05/14 03Z,   0.10,   5.89,   5.66,  99.90,  -0.33,
05/14 04Z,   0.10,   9.17,   8.85,  99.90,  -0.42,
05/14 05Z,   0.20,  12.38,  12.01,  99.90,  -0.57,
05/14 06Z,   0.00,  14.75,  14.48,  99.90,  -0.27,
05/14 07Z,   0.00,  15.67,  15.55,  99.90,  -0.12,  (max)
05/14 08Z,   0.00,  14.87,  14.88,  99.90,   0.01,
05/14 09Z,   0.00,  12.41,  12.51,  99.90,   0.10,
05/14 10Z,   0.00,   8.81,   8.83,  99.90,   0.02,
05/14 11Z,   0.10,   4.88,   4.78,  99.90,  -0.20,
05/14 12Z,   0.00,   1.56,   1.43,  99.90,  -0.13,
05/14 13Z,   0.00,  -0.33,  -0.37,  99.90,  -0.04,  (min)
05/14 14Z,   0.00,  -0.34,  -0.30,  99.90,   0.04,
05/14 15Z,   0.00,   1.47,   1.55,  99.90,   0.08,
05/14 16Z,   0.00,   4.59,   4.64,  99.90,   0.05,
05/14 17Z,   0.00,   8.21,   8.13,  99.90,  -0.08,
05/14 18Z,  -0.20,  11.41,  11.24,  99.90,   0.03,
05/14 19Z,  -0.20,  13.44,  13.14,  99.90,  -0.10,
05/14 20Z,  -0.10,  13.83,  13.50,  99.90,  -0.23,  (max)
05/14 21Z,  -0.10,  12.52,  12.24,  99.90,  -0.18,
05/14 22Z,  -0.10,   9.88,   9.65,  99.90,  -0.13,
05/14 23Z,   0.00,   6.65,   6.46,  99.90,  -0.19,
05/15 00Z,  -0.20,   3.77,   3.56,  99.90,  -0.01,
05/15 01Z,  -0.20,   2.08,   1.90,  99.90,   0.02,  (min)
05/15 02Z,  -0.20,   2.12,   2.01,  99.90,   0.09,
05/15 03Z,  -0.10,   3.94,   3.81,  99.90,  -0.03,
05/15 04Z,  -0.10,   7.09,   6.91,  99.90,  -0.08,
05/15 05Z,  -0.10,  10.80,  10.60,  99.90,  -0.10,
05/15 06Z,  -0.30,  14.17,  13.96,  99.90,   0.09,
05/15 07Z,  -0.30,  16.36,  16.21,  99.90,   0.15,
05/15 08Z,  -0.20,  16.80,  16.71,  99.90,   0.11,  (max)
05/15 09Z,  -0.20,  15.25,  15.18,  99.90,   0.13,
05/15 10Z,  -0.10,  11.95,  11.86,  99.90,   0.01,
05/15 11Z,  -0.10,   7.55,   7.37,  99.90,  -0.08,
05/15 12Z,  -0.10,   3.05,   2.86,  99.90,  -0.09,
05/15 13Z,  -0.10,  -0.46,  -0.59,  99.90,  -0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 14Z,  -0.10,  -2.14,  99.90,  -2.27,  -0.03,  (min)
05/15 15Z,  -0.20,  -1.60,  99.90,  -1.83,  -0.03,
05/15 16Z,  -0.20,   0.92,  99.90,   0.69,  -0.03,
05/15 17Z,  -0.30,   4.74,  99.90,   4.41,  -0.03,
05/15 18Z,  -0.40,   8.87,  99.90,   8.44,  -0.03,
05/15 19Z,  -0.40,  12.33,  99.90,  11.89,  -0.03,
05/15 20Z,  -0.50,  14.33,  99.90,  13.80,  -0.03,
05/15 21Z,  -0.50,  14.46,  99.90,  13.92,  -0.04,  (max)
05/15 22Z,  -0.40,  12.74,  99.90,  12.30,  -0.04,
05/15 23Z,  -0.30,   9.69,  99.90,   9.35,  -0.04,
05/16 00Z,  -0.20,   6.18,  99.90,   5.94,  -0.04,
05/16 01Z,  -0.10,   3.28,  99.90,   3.14,  -0.04,
05/16 02Z,  -0.10,   1.88,  99.90,   1.74,  -0.04,  (min)
05/16 03Z,  -0.10,   2.43,  99.90,   2.29,  -0.04,
05/16 04Z,  -0.10,   4.84,  99.90,   4.70,  -0.04,
05/16 05Z,  -0.20,   8.49,  99.90,   8.25,  -0.04,
05/16 06Z,  -0.40,  12.46,  99.90,  12.02,  -0.04,
05/16 07Z,  -0.50,  15.78,  99.90,  15.24,  -0.04,
05/16 08Z,  -0.60,  17.62,  99.90,  16.98,  -0.04,  (max)
05/16 09Z,  -0.60,  17.45,  99.90,  16.81,  -0.04,
05/16 10Z,  -0.60,  15.14,  99.90,  14.50,  -0.04,
05/16 11Z,  -0.50,  11.07,  99.90,  10.52,  -0.04,
05/16 12Z,  -0.40,   6.05,  99.90,   5.61,  -0.04,
05/16 13Z,  -0.40,   1.25,  99.90,   0.81,  -0.04,
05/16 14Z,  -0.40,  -2.18,  99.90,  -2.63,  -0.04,
05/16 15Z,  -0.40,  -3.43,  99.90,  -3.87,  -0.04,  (min)
05/16 16Z,  -0.40,  -2.25,  99.90,  -2.69,  -0.04,
05/16 17Z,  -0.50,   0.94,  99.90,   0.40,  -0.04,
05/16 18Z,  -0.50,   5.27,  99.90,   4.73,  -0.04,
05/16 19Z,  -0.60,   9.69,  99.90,   9.04,  -0.04,
05/16 20Z,  -0.60,  13.17,  99.90,  12.53,  -0.04,
05/16 21Z,  -0.60,  14.97,  99.90,  14.33,  -0.04,  (max)
05/16 22Z,  -0.60,  14.74,  99.90,  14.10,  -0.04,
05/16 23Z,  -0.50,  12.61,  99.90,  12.07,  -0.04,
05/17 00Z,  -0.40,   9.23,  99.90,   8.79,  -0.04,
05/17 01Z,  -0.50,   5.61,  99.90,   5.07,  -0.04,
05/17 02Z,  -0.40,   2.89,  99.90,   2.45,  -0.04,
05/17 03Z,  -0.50,   1.91,  99.90,   1.37,  -0.04,  (min)
05/17 04Z,  -0.50,   3.02,  99.90,   2.48,  -0.04,
05/17 05Z,  -0.60,   5.93,  99.90,   5.29,  -0.04,
05/17 06Z,  -0.60,   9.88,  99.90,   9.24,  -0.04,
05/17 07Z,  -0.60,  13.89,  99.90,  13.25,  -0.04,
05/17 08Z,  -0.60,  16.98,  99.90,  16.33,  -0.04,
05/17 09Z,  -0.60,  18.35,  99.90,  17.71,  -0.04,  (max)
05/17 10Z,  -0.50,  17.55,  99.90,  17.01,  -0.04,
05/17 11Z,  -0.50,  14.58,  99.90,  14.04,  -0.04,
05/17 12Z,  -0.40,   9.92,  99.90,   9.48,  -0.04,
05/17 13Z,  -0.40,   4.57,  99.90,   4.13,  -0.04,
05/17 14Z,  -0.40,  -0.23,  99.90,  -0.67,  -0.04,
05/17 15Z,  -0.50,  -3.32,  99.90,  -3.87,  -0.04,
05/17 16Z,  -0.60,  -4.01,  99.90,  -4.66,  -0.04,  (min)
05/17 17Z,  -0.70,  -2.24,  99.90,  -2.99,  -0.04,
05/17 18Z,  -0.70,   1.42,  99.90,   0.68,  -0.04,
05/17 19Z,  -0.70,   6.02,  99.90,   5.28,  -0.04,
05/17 20Z,  -0.70,  10.46,  99.90,   9.72,  -0.04,
05/17 21Z,  -0.70,  13.76,  99.90,  13.02,  -0.04,
05/17 22Z,  -0.60,  15.24,  99.90,  14.59,  -0.04,  (max)
05/17 23Z,  -0.50,  14.62,  99.90,  14.07,  -0.04,
05/18 00Z,  -0.40,  12.15,  99.90,  11.71,  -0.04,
05/18 01Z,  -0.20,   8.61,  99.90,   8.37,  -0.04,
05/18 02Z,  -0.20,   5.09,  99.90,   4.85,  -0.04,
05/18 03Z,  -0.20,   2.71,  99.90,   2.47,  -0.04,
05/18 04Z,  -0.30,   2.22,  99.90,   1.88,  -0.04,  (min)
05/18 05Z,  -0.40,   3.80,  99.90,   3.36,  -0.04,
05/18 06Z,  -0.50,   7.02,  99.90,   6.47,  -0.04,
05/18 07Z,  -0.60,  11.04,  99.90,  10.40,  -0.04,
05/18 08Z,  -0.60,  14.87,  99.90,  14.23,  -0.04,
05/18 09Z,  -0.60,  17.58,  99.90,  16.94,  -0.04,
05/18 10Z,  -0.50,  18.46,  99.90,  17.92,  -0.04,  (max)
05/18 11Z,  -0.50,  17.12,  99.90,  16.58,  -0.04,
05/18 12Z,  -0.40,  13.67,  99.90,  13.22,  -0.04,
05/18 13Z,  -0.40,   8.72,  99.90,   8.28,  -0.04,
05/18 14Z,  -0.40,   3.36,  99.90,   2.92,  -0.04,
05/18 15Z,  -0.40,  -1.15,  99.90,  -1.59,  -0.04,
05/18 16Z,  -0.50,  -3.75,  99.90,  -4.29,  -0.04,
05/18 17Z,  -0.60,  -3.89,  99.90,  -4.53,  -0.04,  (min)
05/18 18Z,  -0.70,  -1.69,  99.90,  -2.43,  -0.04,
05/18 19Z,  -0.70,   2.20,  99.90,   1.45,  -0.04,
05/18 20Z,  -0.70,   6.79,  99.90,   6.04,  -0.04,
05/18 21Z,  -0.70,  11.03,  99.90,  10.28,  -0.04,
05/18 22Z,  -0.60,  14.00,  99.90,  13.36,  -0.04,
05/18 23Z,  -0.50,  15.10,  99.90,  14.56,  -0.04,  (max)
05/19 00Z,  -0.40,  14.15,  99.90,  13.71,  -0.04,
05/19 01Z,  -0.30,  11.50,  99.90,  11.16,  -0.04,
05/19 02Z,  -0.30,   8.00,  99.90,   7.66,  -0.04,
05/19 03Z,  -0.30,   4.77,  99.90,   4.42,  -0.04,
05/19 04Z,  -0.30,   2.82,  99.90,   2.47,  -0.04,
05/19 05Z,  -0.40,   2.76,  99.90,   2.32,  -0.04,  (min)
05/19 06Z,  -0.50,   4.63,  99.90,   4.09,  -0.04,