EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 08/11/2026 17:22:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/10 00Z,  -0.50,   5.00,   4.95,  99.90,   0.45,
08/10 01Z,  -0.50,   5.00,   4.88,  99.90,   0.38,  (min)
08/10 02Z,  -0.40,   6.21,   6.04,  99.90,   0.23,
08/10 03Z,  -0.40,   8.41,   8.14,  99.90,   0.13,
08/10 04Z,  -0.40,  11.07,  10.72,  99.90,   0.05,
08/10 05Z,  -0.40,  13.56,  13.24,  99.90,   0.08,
08/10 06Z,  -0.50,  15.25,  15.05,  99.90,   0.30,
08/10 07Z,  -0.50,  15.63,  15.54,  99.90,   0.41,  (max)
08/10 08Z,  -0.50,  14.44,  14.30,  99.90,   0.36,
08/10 09Z,  -0.50,  11.75,  11.53,  99.90,   0.28,
08/10 10Z,  -0.50,   8.02,   7.70,  99.90,   0.18,
08/10 11Z,  -0.50,   4.03,   3.60,  99.90,   0.07,
08/10 12Z,  -0.50,   0.67,   0.23,  99.90,   0.06,
08/10 13Z,  -0.50,  -1.30,  -1.61,  99.90,   0.19,
08/10 14Z,  -0.50,  -1.46,  -1.65,  99.90,   0.31,  (min)
08/10 15Z,  -0.50,   0.14,  -0.01,  99.90,   0.35,
08/10 16Z,  -0.50,   3.06,   2.90,  99.90,   0.34,
08/10 17Z,  -0.50,   6.58,   6.37,  99.90,   0.29,
08/10 18Z,  -0.50,   9.88,   9.57,  99.90,   0.19,
08/10 19Z,  -0.50,  12.25,  11.85,  99.90,   0.10,
08/10 20Z,  -0.50,  13.19,  12.77,  99.90,   0.08,  (max)
08/10 21Z,  -0.50,  12.56,  12.21,  99.90,   0.15,
08/10 22Z,  -0.50,  10.61,  10.40,  99.90,   0.29,
08/10 23Z,  -0.50,   7.96,   7.86,  99.90,   0.40,
08/11 00Z,  -0.40,   5.44,   5.39,  99.90,   0.35,
08/11 01Z,  -0.40,   3.85,   3.74,  99.90,   0.29,
08/11 02Z,  -0.40,   3.71,   3.53,  99.90,   0.22,  (min)
08/11 03Z,  -0.40,   5.12,   4.85,  99.90,   0.13,
08/11 04Z,  -0.40,   7.77,   7.43,  99.90,   0.06,
08/11 05Z,  -0.50,  11.01,  10.68,  99.90,   0.17,
08/11 06Z,  -0.50,  14.06,  13.81,  99.90,   0.25,
08/11 07Z,  -0.50,  16.13,  16.00,  99.90,   0.37,
08/11 08Z,  -0.50,  16.62,  16.56,  99.90,   0.44,  (max)
08/11 09Z,  -0.50,  15.22,  15.07,  99.90,   0.35,
08/11 10Z,  -0.50,  12.05,  11.80,  99.90,   0.25,
08/11 11Z,  -0.50,   7.71,   7.31,  99.90,   0.10,
08/11 12Z,  -0.50,   3.15,   2.71,  99.90,   0.06,
08/11 13Z,  -0.50,  -0.56,  -0.91,  99.90,   0.15,
08/11 14Z,  -0.50,  -2.54,  -2.82,  99.90,   0.22,  (min)
08/11 15Z,  -0.50,  -2.38,  -2.53,  99.90,   0.35,
08/11 16Z,  -0.50,  -0.19,  -0.35,  99.90,   0.34,
08/11 17Z,  -0.50,   3.41,   3.19,  99.90,   0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/11 18Z,  -0.50,   7.54,  99.90,   7.31,   0.27,
08/11 19Z,  -0.50,  11.25,  99.90,  11.01,   0.27,
08/11 20Z,  -0.50,  13.72,  99.90,  13.48,   0.26,
08/11 21Z,  -0.50,  14.43,  99.90,  14.18,   0.25,  (max)
08/11 22Z,  -0.40,  13.26,  99.90,  13.10,   0.24,
08/11 23Z,  -0.40,  10.60,  99.90,  10.43,   0.23,
08/12 00Z,  -0.40,   7.24,  99.90,   7.06,   0.22,
08/12 01Z,  -0.40,   4.20,  99.90,   4.01,   0.22,
08/12 02Z,  -0.40,   2.41,  99.90,   2.22,   0.21,  (min)
08/12 03Z,  -0.40,   2.43,  99.90,   2.22,   0.20,
08/12 04Z,  -0.40,   4.28,  99.90,   4.07,   0.19,
08/12 05Z,  -0.50,   7.51,  99.90,   7.19,   0.18,
08/12 06Z,  -0.50,  11.31,  99.90,  10.99,   0.18,
08/12 07Z,  -0.60,  14.76,  99.90,  14.34,   0.18,
08/12 08Z,  -0.60,  16.98,  99.90,  16.56,   0.18,
08/12 09Z,  -0.60,  17.30,  99.90,  16.89,   0.18,  (max)
08/12 10Z,  -0.60,  15.47,  99.90,  15.05,   0.18,
08/12 11Z,  -0.60,  11.71,  99.90,  11.29,   0.18,
08/12 12Z,  -0.60,   6.80,  99.90,   6.39,   0.18,
08/12 13Z,  -0.60,   1.90,  99.90,   1.48,   0.18,
08/12 14Z,  -0.60,  -1.80,  99.90,  -2.22,   0.18,
08/12 15Z,  -0.60,  -3.41,  99.90,  -3.83,   0.18,  (min)
08/12 16Z,  -0.60,  -2.61,  99.90,  -3.03,   0.18,
08/12 17Z,  -0.70,   0.31,  99.90,  -0.21,   0.18,
08/12 18Z,  -0.70,   4.55,  99.90,   4.03,   0.18,
08/12 19Z,  -0.70,   9.10,  99.90,   8.58,   0.18,
08/12 20Z,  -0.80,  12.91,  99.90,  12.29,   0.18,
08/12 21Z,  -0.70,  15.14,  99.90,  14.62,   0.18,
08/12 22Z,  -0.70,  15.29,  99.90,  14.77,   0.18,  (max)
08/12 23Z,  -0.70,  13.36,  99.90,  12.84,   0.18,
08/13 00Z,  -0.60,   9.93,  99.90,   9.51,   0.18,
08/13 01Z,  -0.60,   5.98,  99.90,   5.57,   0.18,
08/13 02Z,  -0.60,   2.70,  99.90,   2.28,   0.18,
08/13 03Z,  -0.60,   1.04,  99.90,   0.62,   0.18,  (min)
08/13 04Z,  -0.60,   1.48,  99.90,   1.06,   0.18,
08/13 05Z,  -0.70,   3.90,  99.90,   3.38,   0.18,
08/13 06Z,  -0.70,   7.67,  99.90,   7.16,   0.18,
08/13 07Z,  -0.80,  11.86,  99.90,  11.24,   0.18,
08/13 08Z,  -0.80,  15.44,  99.90,  14.83,   0.18,
08/13 09Z,  -0.70,  17.50,  99.90,  16.99,   0.18,  (max)
08/13 10Z,  -0.70,  17.41,  99.90,  16.89,   0.18,
08/13 11Z,  -0.60,  15.00,  99.90,  14.58,   0.18,
08/13 12Z,  -0.60,  10.69,  99.90,  10.27,   0.18,
08/13 13Z,  -0.60,   5.46,  99.90,   5.04,   0.18,
08/13 14Z,  -0.60,   0.59,  99.90,   0.17,   0.18,
08/13 15Z,  -0.60,  -2.68,  99.90,  -3.10,   0.18,
08/13 16Z,  -0.70,  -3.58,  99.90,  -4.10,   0.18,  (min)
08/13 17Z,  -0.70,  -1.96,  99.90,  -2.48,   0.18,
08/13 18Z,  -0.70,   1.65,  99.90,   1.14,   0.18,
08/13 19Z,  -0.70,   6.35,  99.90,   5.83,   0.18,
08/13 20Z,  -0.70,  10.99,  99.90,  10.48,   0.18,
08/13 21Z,  -0.60,  14.54,  99.90,  14.12,   0.18,
08/13 22Z,  -0.60,  16.18,  99.90,  15.76,   0.18,  (max)
08/13 23Z,  -0.50,  15.52,  99.90,  15.21,   0.18,
08/14 00Z,  -0.40,  12.78,  99.90,  12.56,   0.18,
08/14 01Z,  -0.30,   8.70,  99.90,   8.59,   0.18,
08/14 02Z,  -0.30,   4.47,  99.90,   4.35,   0.18,
08/14 03Z,  -0.30,   1.29,  99.90,   1.17,   0.18,
08/14 04Z,  -0.30,   0.06,  99.90,  -0.06,   0.18,  (min)
08/14 05Z,  -0.40,   1.08,  99.90,   0.86,   0.18,
08/14 06Z,  -0.40,   4.05,  99.90,   3.83,   0.18,
08/14 07Z,  -0.40,   8.19,  99.90,   7.97,   0.18,
08/14 08Z,  -0.40,  12.48,  99.90,  12.26,   0.18,
08/14 09Z,  -0.40,  15.87,  99.90,  15.65,   0.18,
08/14 10Z,  -0.40,  17.48,  99.90,  17.27,   0.18,  (max)
08/14 11Z,  -0.30,  16.80,  99.90,  16.68,   0.18,
08/14 12Z,  -0.20,  13.82,  99.90,  13.80,   0.18,
08/14 13Z,  -0.20,   9.17,  99.90,   9.15,   0.18,
08/14 14Z,  -0.20,   3.98,  99.90,   3.96,   0.18,
08/14 15Z,  -0.20,  -0.41,  99.90,  -0.43,   0.18,
08/14 16Z,  -0.20,  -2.89,  99.90,  -2.90,   0.18,  (min)
08/14 17Z,  -0.20,  -2.87,  99.90,  -2.88,   0.18,
08/14 18Z,  -0.30,  -0.45,  99.90,  -0.57,   0.18,
08/14 19Z,  -0.30,   3.68,  99.90,   3.56,   0.18,
08/14 20Z,  -0.30,   8.50,  99.90,   8.38,   0.18,
08/14 21Z,  -0.30,  12.87,  99.90,  12.75,   0.18,
08/14 22Z,  -0.20,  15.79,  99.90,  15.77,   0.18,
08/14 23Z,  -0.20,  16.57,  99.90,  16.55,   0.18,  (max)
08/15 00Z,  -0.10,  15.04,  99.90,  15.12,   0.18,
08/15 01Z,   0.00,  11.59,  99.90,  11.77,   0.18,
08/15 02Z,   0.00,   7.17,  99.90,   7.35,   0.18,
08/15 03Z,   0.00,   3.02,  99.90,   3.20,   0.18,
08/15 04Z,   0.00,   0.29,  99.90,   0.47,   0.18,
08/15 05Z,  -0.10,  -0.32,  99.90,  -0.24,   0.18,  (min)
08/15 06Z,  -0.10,   1.29,  99.90,   1.37,   0.18,
08/15 07Z,  -0.20,   4.64,  99.90,   4.62,   0.18,
08/15 08Z,  -0.20,   8.86,  99.90,   8.85,   0.18,
08/15 09Z,  -0.20,  12.93,  99.90,  12.91,   0.18,
08/15 10Z,  -0.20,  15.83,  99.90,  15.82,   0.18,
08/15 11Z,  -0.20,  16.81,  99.90,  16.79,   0.18,  (max)
08/15 12Z,  -0.10,  15.51,  99.90,  15.59,   0.18,