EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Ketchikan, AK
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Elfin Cove, AK
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Seldovia, AK
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Anchorage, AK
Kodiak Island, AK
Alitak, AK
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Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Ketchikan, AK : 07/20/2026 15:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,  -0.40,  15.09,  15.18,  99.90,   0.49,
07/19 01Z,  -0.40,  15.54,  15.50,  99.90,   0.36,  (max)
07/19 02Z,  -0.40,  14.03,  13.96,  99.90,   0.33,
07/19 03Z,  -0.40,  11.01,  10.95,  99.90,   0.34,
07/19 04Z,  -0.50,   7.32,   7.19,  99.90,   0.37,
07/19 05Z,  -0.50,   3.97,   3.81,  99.90,   0.34,
07/19 06Z,  -0.50,   1.83,   1.67,  99.90,   0.34,
07/19 07Z,  -0.50,   1.39,   1.34,  99.90,   0.45,  (min)
07/19 08Z,  -0.60,   2.69,   2.70,  99.90,   0.61,
07/19 09Z,  -0.60,   5.32,   5.30,  99.90,   0.58,
07/19 10Z,  -0.60,   8.60,   8.42,  99.90,   0.42,
07/19 11Z,  -0.60,  11.70,  11.39,  99.90,   0.29,
07/19 12Z,  -0.60,  13.82,  13.40,  99.90,   0.18,
07/19 13Z,  -0.70,  14.37,  13.92,  99.90,   0.25,  (max)
07/19 14Z,  -0.70,  13.15,  12.78,  99.90,   0.33,
07/19 15Z,  -0.70,  10.38,  10.15,  99.90,   0.47,
07/19 16Z,  -0.70,   6.76,   6.54,  99.90,   0.48,
07/19 17Z,  -0.70,   3.21,   3.03,  99.90,   0.52,
07/19 18Z,  -0.70,   0.66,   0.39,  99.90,   0.43,
07/19 19Z,  -0.70,  -0.24,  -0.53,  99.90,   0.41,  (min)
07/19 20Z,  -0.80,   0.71,   0.51,  99.90,   0.60,
07/19 21Z,  -0.70,   3.25,   3.19,  99.90,   0.64,
07/19 22Z,  -0.70,   6.77,   6.80,  99.90,   0.73,
07/19 23Z,  -0.70,  10.43,  10.51,  99.90,   0.78,
07/20 00Z,  -0.60,  13.39,  13.41,  99.90,   0.62,
07/20 01Z,  -0.60,  14.97,  14.86,  99.90,   0.49,  (max)
07/20 02Z,  -0.60,  14.82,  14.60,  99.90,   0.38,
07/20 03Z,  -0.60,  13.01,  12.75,  99.90,   0.34,
07/20 04Z,  -0.60,  10.03,   9.74,  99.90,   0.31,
07/20 05Z,  -0.60,   6.69,   6.39,  99.90,   0.30,
07/20 06Z,  -0.60,   3.81,   3.56,  99.90,   0.35,
07/20 07Z,  -0.60,   2.10,   2.01,  99.90,   0.51,
07/20 08Z,  -0.60,   1.90,   1.94,  99.90,   0.64,  (min)
07/20 09Z,  -0.60,   3.16,   3.20,  99.90,   0.64,
07/20 10Z,  -0.60,   5.50,   5.46,  99.90,   0.56,
07/20 11Z,  -0.50,   8.29,   8.08,  99.90,   0.29,
07/20 12Z,  -0.50,  10.82,  10.46,  99.90,   0.14,
07/20 13Z,  -0.50,  12.43,  12.02,  99.90,   0.09,
07/20 14Z,  -0.40,  12.69,  12.30,  99.90,   0.01,  (max)
07/20 15Z,  -0.40,  11.50,  11.25,  99.90,   0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/20 16Z,  -0.40,   9.15,  99.90,   8.92,   0.18,
07/20 17Z,  -0.50,   6.26,  99.90,   5.95,   0.20,
07/20 18Z,  -0.50,   3.60,  99.90,   3.32,   0.22,
07/20 19Z,  -0.50,   1.90,  99.90,   1.64,   0.24,
07/20 20Z,  -0.50,   1.61,  99.90,   1.37,   0.26,  (min)
07/20 21Z,  -0.50,   2.82,  99.90,   2.60,   0.28,
07/20 22Z,  -0.40,   5.25,  99.90,   5.15,   0.30,
07/20 23Z,  -0.40,   8.32,  99.90,   8.24,   0.32,
07/21 00Z,  -0.30,  11.31,  99.90,  11.36,   0.34,
07/21 01Z,  -0.20,  13.53,  99.90,  13.70,   0.36,
07/21 02Z,  -0.20,  14.47,  99.90,  14.65,   0.38,  (max)
07/21 03Z,  -0.10,  13.92,  99.90,  14.23,   0.40,
07/21 04Z,  -0.10,  12.05,  99.90,  12.35,   0.40,
07/21 05Z,  -0.10,   9.31,  99.90,   9.62,   0.40,
07/21 06Z,  -0.20,   6.38,  99.90,   6.59,   0.40,
07/21 07Z,  -0.30,   3.95,  99.90,   4.05,   0.40,
07/21 08Z,  -0.30,   2.53,  99.90,   2.64,   0.40,
07/21 09Z,  -0.40,   2.39,  99.90,   2.40,   0.40,  (min)
07/21 10Z,  -0.30,   3.47,  99.90,   3.57,   0.40,
07/21 11Z,  -0.30,   5.41,  99.90,   5.52,   0.40,
07/21 12Z,  -0.20,   7.70,  99.90,   7.90,   0.40,
07/21 13Z,  -0.20,   9.74,  99.90,   9.94,   0.40,
07/21 14Z,  -0.10,  11.01,  99.90,  11.32,   0.40,
07/21 15Z,  -0.10,  11.20,  99.90,  11.51,   0.40,  (max)
07/21 16Z,  -0.10,  10.28,  99.90,  10.59,   0.40,
07/21 17Z,  -0.20,   8.50,  99.90,   8.71,   0.40,
07/21 18Z,  -0.20,   6.37,  99.90,   6.58,   0.40,
07/21 19Z,  -0.20,   4.49,  99.90,   4.70,   0.40,
07/21 20Z,  -0.20,   3.41,  99.90,   3.61,   0.40,  (min)
07/21 21Z,  -0.20,   3.45,  99.90,   3.66,   0.40,
07/21 22Z,  -0.20,   4.67,  99.90,   4.88,   0.40,
07/21 23Z,  -0.10,   6.79,  99.90,   7.10,   0.40,
07/22 00Z,  -0.10,   9.33,  99.90,   9.63,   0.40,
07/22 01Z,  -0.10,  11.68,  99.90,  11.98,   0.40,
07/22 02Z,  -0.10,  13.30,  99.90,  13.60,   0.40,
07/22 03Z,  -0.10,  13.81,  99.90,  14.12,   0.40,  (max)
07/22 04Z,  -0.20,  13.11,  99.90,  13.32,   0.40,
07/22 05Z,  -0.30,  11.35,  99.90,  11.45,   0.40,
07/22 06Z,  -0.30,   8.92,  99.90,   9.02,   0.40,
07/22 07Z,  -0.40,   6.36,  99.90,   6.37,   0.40,
07/22 08Z,  -0.40,   4.22,  99.90,   4.22,   0.40,
07/22 09Z,  -0.40,   2.92,  99.90,   2.93,   0.40,
07/22 10Z,  -0.40,   2.69,  99.90,   2.70,   0.40,  (min)
07/22 11Z,  -0.40,   3.49,  99.90,   3.49,   0.40,
07/22 12Z,  -0.30,   5.05,  99.90,   5.15,   0.40,
07/22 13Z,  -0.30,   6.93,  99.90,   7.04,   0.40,
07/22 14Z,  -0.20,   8.67,  99.90,   8.88,   0.40,
07/22 15Z,  -0.20,   9.85,  99.90,  10.05,   0.40,
07/22 16Z,  -0.30,  10.20,  99.90,  10.31,   0.40,  (max)
07/22 17Z,  -0.40,   9.68,  99.90,   9.69,   0.40,
07/22 18Z,  -0.40,   8.48,  99.90,   8.48,   0.40,
07/22 19Z,  -0.50,   6.96,  99.90,   6.87,   0.40,
07/22 20Z,  -0.50,   5.61,  99.90,   5.51,   0.40,
07/22 21Z,  -0.50,   4.85,  99.90,   4.75,   0.40,  (min)
07/22 22Z,  -0.40,   4.96,  99.90,   4.97,   0.40,
07/22 23Z,  -0.30,   6.00,  99.90,   6.10,   0.40,
07/23 00Z,  -0.30,   7.73,  99.90,   7.84,   0.40,
07/23 01Z,  -0.20,   9.78,  99.90,   9.99,   0.40,
07/23 02Z,  -0.20,  11.66,  99.90,  11.86,   0.40,
07/23 03Z,  -0.20,  12.92,  99.90,  13.12,   0.40,
07/23 04Z,  -0.20,  13.26,  99.90,  13.47,   0.40,  (max)
07/23 05Z,  -0.30,  12.59,  99.90,  12.69,   0.40,
07/23 06Z,  -0.30,  11.00,  99.90,  11.11,   0.40,
07/23 07Z,  -0.40,   8.82,  99.90,   8.82,   0.40,
07/23 08Z,  -0.40,   6.47,  99.90,   6.48,   0.40,
07/23 09Z,  -0.40,   4.43,  99.90,   4.43,   0.40,
07/23 10Z,  -0.40,   3.08,  99.90,   3.08,   0.40,
07/23 11Z,  -0.30,   2.66,  99.90,   2.77,   0.40,  (min)
07/23 12Z,  -0.30,   3.19,  99.90,   3.30,   0.40,
07/23 13Z,  -0.20,   4.48,  99.90,   4.69,   0.40,
07/23 14Z,  -0.10,   6.18,  99.90,   6.48,   0.40,
07/23 15Z,  -0.10,   7.87,  99.90,   8.18,   0.40,
07/23 16Z,  -0.10,   9.18,  99.90,   9.48,   0.40,
07/23 17Z,  -0.20,   9.82,  99.90,  10.02,   0.40,  (max)
07/23 18Z,  -0.20,   9.70,  99.90,   9.90,   0.40,
07/23 19Z,  -0.20,   8.92,  99.90,   9.12,   0.40,
07/23 20Z,  -0.30,   7.76,  99.90,   7.87,   0.40,
07/23 21Z,  -0.20,   6.63,  99.90,   6.83,   0.40,
07/23 22Z,  -0.10,   5.91,  99.90,   6.22,   0.40,  (min)
07/23 23Z,   0.00,   5.90,  99.90,   6.30,   0.40,
07/24 00Z,   0.00,   6.68,  99.90,   7.08,   0.40,
07/24 01Z,   0.10,   8.11,  99.90,   8.61,   0.40,
07/24 02Z,   0.10,   9.86,  99.90,  10.36,   0.40,
07/24 03Z,   0.10,  11.52,  99.90,  12.02,   0.40,
07/24 04Z,   0.10,  12.67,  99.90,  13.17,   0.40,
07/24 05Z,   0.10,  13.02,  99.90,  13.52,   0.40,  (max)
07/24 06Z,   0.00,  12.43,  99.90,  12.84,   0.40,
07/24 07Z,  99.90,  10.97,  99.90,  99.90,   0.40,
07/24 08Z,  99.90,   8.86,  99.90,  99.90,   0.40,
07/24 09Z,  99.90,   6.51,  99.90,  99.90,   0.40,
07/24 10Z,  99.90,   4.37,  99.90,  99.90,   0.40,
07/24 11Z,  99.90,   2.86,  99.90,  99.90,   0.40,
07/24 12Z,  99.90,   2.26,  99.90,  99.90,   0.40,