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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Seldovia, AK
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Kodiak Island, AK
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Surge List
Gulf of Alaska
#Seldovia, AK : 04/20/2026 19:21:12 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 00Z,   0.00,  19.49,  18.82,  99.90,  -0.67,
04/19 01Z,   0.00,  18.75,  18.15,  99.90,  -0.60,  (max)
04/19 02Z,   0.00,  15.56,  14.97,  99.90,  -0.59,
04/19 03Z,  -0.10,  10.78,  10.08,  99.90,  -0.60,
04/19 04Z,  -0.20,   5.69,   5.03,  99.90,  -0.46,
04/19 05Z,  -0.20,   1.75,   1.05,  99.90,  -0.50,
04/19 06Z,   0.00,   0.28,  -0.33,  99.90,  -0.61,  (min)
04/19 07Z,   0.00,   1.88,   1.73,  99.90,  -0.15,
04/19 08Z,   0.00,   5.95,   5.97,  99.90,   0.02,
04/19 09Z,   0.10,  11.22,  11.16,  99.90,  -0.16,
04/19 10Z,   0.10,  16.35,  16.18,  99.90,  -0.27,
04/19 11Z,   0.20,  20.15,  19.99,  99.90,  -0.36,
04/19 12Z,   0.20,  21.62,  21.43,  99.90,  -0.39,  (max)
04/19 13Z,   0.20,  20.30,  19.94,  99.90,  -0.56,
04/19 14Z,   0.10,  16.40,  15.99,  99.90,  -0.51,
04/19 15Z,   0.00,  10.67,  10.39,  99.90,  -0.28,
04/19 16Z,   0.00,   4.34,   4.15,  99.90,  -0.19,
04/19 17Z,   0.10,  -1.15,  -1.47,  99.90,  -0.42,
04/19 18Z,   0.20,  -4.43,  -4.64,  99.90,  -0.41,  (min)
04/19 19Z,   0.20,  -4.55,  -4.61,  99.90,  -0.26,
04/19 20Z,   0.30,  -1.64,  -1.88,  99.90,  -0.54,
04/19 21Z,   0.30,   3.27,   2.74,  99.90,  -0.83,
04/19 22Z,   0.20,   8.90,   8.51,  99.90,  -0.59,
04/19 23Z,   0.20,  14.09,  13.84,  99.90,  -0.45,
04/20 00Z,   0.10,  17.70,  17.21,  99.90,  -0.59,
04/20 01Z,   0.10,  18.96,  18.34,  99.90,  -0.72,  (max)
04/20 02Z,   0.10,  17.66,  17.21,  99.90,  -0.55,
04/20 03Z,   0.00,  14.20,  13.69,  99.90,  -0.51,
04/20 04Z,   0.00,   9.55,   9.03,  99.90,  -0.52,
04/20 05Z,   0.00,   5.01,   4.64,  99.90,  -0.37,
04/20 06Z,   0.00,   1.94,   1.64,  99.90,  -0.30,
04/20 07Z,   0.00,   1.44,   1.25,  99.90,  -0.19,  (min)
04/20 08Z,   0.00,   3.77,   3.83,  99.90,   0.06,
04/20 09Z,   0.10,   8.09,   8.04,  99.90,  -0.15,
04/20 10Z,   0.30,  13.08,  12.76,  99.90,  -0.62,
04/20 11Z,   0.30,  17.55,  17.15,  99.90,  -0.70,
04/20 12Z,   0.00,  20.45,  20.08,  99.90,  -0.37,
04/20 13Z,   0.00,  20.98,  20.51,  99.90,  -0.47,  (max)
04/20 14Z,   0.00,  18.90,  18.26,  99.90,  -0.64,
04/20 15Z,   0.00,  14.55,  13.97,  99.90,  -0.58,
04/20 16Z,   0.10,   8.83,   8.54,  99.90,  -0.39,
04/20 17Z,   0.10,   2.97,   2.72,  99.90,  -0.35,
04/20 18Z,   0.10,  -1.72,  -2.01,  99.90,  -0.39,
04/20 19Z,   0.10,  -4.06,  -4.41,  99.90,  -0.45,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 20Z,   0.00,  -3.42,  99.90,  -3.87,  -0.45,
04/20 21Z,   0.00,  -0.18,  99.90,  -0.63,  -0.44,
04/20 22Z,   0.00,   4.55,  99.90,   4.12,  -0.44,
04/20 23Z,   0.00,   9.68,  99.90,   9.24,  -0.43,
04/21 00Z,   0.10,  14.17,  99.90,  13.84,  -0.43,
04/21 01Z,   0.10,  17.08,  99.90,  16.76,  -0.42,
04/21 02Z,   0.10,  17.79,  99.90,  17.48,  -0.42,  (max)
04/21 03Z,   0.00,  16.24,  99.90,  15.83,  -0.41,
04/21 04Z,   0.00,  12.91,  99.90,  12.51,  -0.41,
04/21 05Z,   0.00,   8.78,  99.90,   8.38,  -0.40,
04/21 06Z,  -0.10,   5.04,  99.90,   4.55,  -0.40,
04/21 07Z,   0.00,   2.85,  99.90,   2.47,  -0.39,  (min)
04/21 08Z,   0.00,   3.06,  99.90,   2.67,  -0.39,
04/21 09Z,   0.00,   5.66,  99.90,   5.27,  -0.39,
04/21 10Z,   0.00,   9.71,  99.90,   9.32,  -0.39,
04/21 11Z,   0.00,  14.04,  99.90,  13.65,  -0.39,
04/21 12Z,   0.00,  17.66,  99.90,  17.27,  -0.39,
04/21 13Z,   0.00,  19.71,  99.90,  19.32,  -0.39,  (max)
04/21 14Z,   0.00,  19.57,  99.90,  19.18,  -0.39,
04/21 15Z,   0.00,  17.15,  99.90,  16.76,  -0.39,
04/21 16Z,  -0.10,  12.89,  99.90,  12.40,  -0.39,
04/21 17Z,  -0.10,   7.68,  99.90,   7.19,  -0.39,
04/21 18Z,  -0.10,   2.63,  99.90,   2.14,  -0.39,
04/21 19Z,   0.00,  -1.16,  99.90,  -1.55,  -0.39,
04/21 20Z,   0.00,  -2.76,  99.90,  -3.14,  -0.39,  (min)
04/21 21Z,   0.00,  -1.77,  99.90,  -2.16,  -0.39,
04/21 22Z,   0.00,   1.29,  99.90,   0.90,  -0.39,
04/21 23Z,   0.00,   5.45,  99.90,   5.06,  -0.39,
04/22 00Z,  -0.10,   9.81,  99.90,   9.32,  -0.39,
04/22 01Z,  -0.20,  13.56,  99.90,  12.97,  -0.39,
04/22 02Z,  -0.20,  15.90,  99.90,  15.31,  -0.39,
04/22 03Z,  -0.30,  16.34,  99.90,  15.65,  -0.39,  (max)
04/22 04Z,  -0.30,  14.89,  99.90,  14.20,  -0.39,
04/22 05Z,  -0.30,  12.05,  99.90,  11.36,  -0.39,
04/22 06Z,  -0.10,   8.68,  99.90,   8.19,  -0.39,
04/22 07Z,   0.00,   5.75,  99.90,   5.36,  -0.39,
04/22 08Z,   0.00,   4.21,  99.90,   3.82,  -0.39,  (min)
04/22 09Z,   0.00,   4.70,  99.90,   4.31,  -0.39,
04/22 10Z,   0.00,   7.08,  99.90,   6.69,  -0.39,
04/22 11Z,   0.00,  10.47,  99.90,  10.08,  -0.39,
04/22 12Z,   0.00,  13.95,  99.90,  13.56,  -0.39,
04/22 13Z,  -0.10,  16.76,  99.90,  16.27,  -0.39,
04/22 14Z,  -0.20,  18.20,  99.90,  17.61,  -0.39,  (max)
04/22 15Z,  -0.30,  17.78,  99.90,  17.09,  -0.39,
04/22 16Z,  -0.30,  15.50,  99.90,  14.81,  -0.39,
04/22 17Z,  -0.40,  11.78,  99.90,  10.99,  -0.39,
04/22 18Z,  -0.40,   7.40,  99.90,   6.61,  -0.39,
04/22 19Z,  -0.30,   3.26,  99.90,   2.57,  -0.39,
04/22 20Z,  -0.30,   0.21,  99.90,  -0.48,  -0.39,
04/22 21Z,  -0.20,  -1.00,  99.90,  -1.59,  -0.39,  (min)
04/22 22Z,  -0.10,  -0.11,  99.90,  -0.60,  -0.39,
04/22 23Z,  -0.10,   2.41,  99.90,   1.92,  -0.39,
04/23 00Z,   0.00,   5.78,  99.90,   5.39,  -0.39,
04/23 01Z,   0.00,   9.37,  99.90,   8.98,  -0.39,
04/23 02Z,   0.00,  12.52,  99.90,  12.13,  -0.39,
04/23 03Z,  -0.20,  14.55,  99.90,  13.96,  -0.39,
04/23 04Z,  -0.30,  15.05,  99.90,  14.36,  -0.39,  (max)
04/23 05Z,  -0.40,  14.02,  99.90,  13.23,  -0.39,
04/23 06Z,  -0.50,  11.85,  99.90,  10.96,  -0.39,
04/23 07Z,  -0.50,   9.22,  99.90,   8.33,  -0.39,
04/23 08Z,  -0.40,   6.88,  99.90,   6.09,  -0.39,
04/23 09Z,  -0.40,   5.60,  99.90,   4.81,  -0.39,  (min)
04/23 10Z,  -0.30,   5.92,  99.90,   5.23,  -0.39,
04/23 11Z,  -0.20,   7.69,  99.90,   7.10,  -0.39,
04/23 12Z,  -0.20,  10.24,  99.90,   9.65,  -0.39,
04/23 13Z,  -0.20,  12.91,  99.90,  12.32,  -0.39,
04/23 14Z,  -0.30,  15.14,  99.90,  14.45,  -0.39,
04/23 15Z,  -0.40,  16.33,  99.90,  15.54,  -0.39,  (max)
04/23 16Z,  -0.50,  16.06,  99.90,  15.17,  -0.39,
04/23 17Z,  -0.60,  14.32,  99.90,  13.33,  -0.39,
04/23 18Z,  -0.50,  11.42,  99.90,  10.53,  -0.39,
04/23 19Z,  -0.40,   7.94,  99.90,   7.15,  -0.39,
04/23 20Z,  -0.30,   4.55,  99.90,   3.86,  -0.39,
04/23 21Z,  -0.20,   1.91,  99.90,   1.32,  -0.39,
04/23 22Z,  -0.10,   0.70,  99.90,   0.21,  -0.39,  (min)
04/23 23Z,  -0.10,   1.17,  99.90,   0.68,  -0.39,
04/24 00Z,  -0.20,   2.97,  99.90,   2.38,  -0.39,
04/24 01Z,  -0.30,   5.59,  99.90,   4.90,  -0.39,
04/24 02Z,  -0.40,   8.61,  99.90,   7.82,  -0.39,
04/24 03Z,  -0.50,  11.46,  99.90,  10.57,  -0.39,
04/24 04Z,  -0.50,  13.50,  99.90,  12.61,  -0.39,
04/24 05Z,  -0.40,  14.32,  99.90,  13.53,  -0.39,  (max)
04/24 06Z,  -0.20,  13.84,  99.90,  13.25,  -0.39,
04/24 07Z,  -0.10,  12.30,  99.90,  11.81,  -0.39,
04/24 08Z,  -0.10,  10.17,  99.90,   9.68,  -0.39,
04/24 09Z,   0.00,   8.03,  99.90,   7.64,  -0.39,
04/24 10Z,  -0.10,   6.58,  99.90,   6.09,  -0.39,
04/24 11Z,  -0.20,   6.37,  99.90,   5.78,  -0.39,  (min)
04/24 12Z,  -0.30,   7.37,  99.90,   6.68,  -0.39,