EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
mllw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Anchorage, AK : 04/13/2026 11:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 12Z,  -0.50,  23.65,  23.08,  99.90,  -0.07,  (max)
04/11 13Z,  -0.50,  21.30,  21.34,  99.90,   0.54,
04/11 14Z,  -0.50,  17.79,  18.31,  99.90,   1.02,
04/11 15Z,  -0.50,  14.55,  15.03,  99.90,   0.98,
04/11 16Z,  -0.50,  12.21,  12.17,  99.90,   0.46,
04/11 17Z,  -0.50,  10.52,  10.17,  99.90,   0.15,
04/11 18Z,  -0.50,  10.65,   9.91,  99.90,  -0.24,  (min)
04/11 19Z,  -0.50,  13.62,  11.91,  99.90,  -1.21,
04/11 20Z,  -0.50,  17.36,  15.10,  99.90,  -1.76,
04/11 21Z,  -0.40,  19.78,  18.28,  99.90,  -1.10,
04/11 22Z,  -0.40,  21.43,  20.58,  99.90,  -0.45,
04/11 23Z,  -0.40,  22.56,  21.53,  99.90,  -0.63,  (max)
04/12 00Z,  -0.40,  22.03,  20.77,  99.90,  -0.86,
04/12 01Z,  -0.40,  19.59,  18.32,  99.90,  -0.87,
04/12 02Z,  -0.40,  15.94,  14.82,  99.90,  -0.72,
04/12 03Z,  -0.30,  12.23,  11.35,  99.90,  -0.58,
04/12 04Z,  -0.30,   9.28,   8.16,  99.90,  -0.82,
04/12 05Z,  -0.30,   6.81,   5.51,  99.90,  -1.00,
04/12 06Z,  -0.30,   5.33,   4.19,  99.90,  -0.84,  (min)
04/12 07Z,  -0.20,   6.82,   6.16,  99.90,  -0.46,
04/12 08Z,  -0.20,  10.90,  10.58,  99.90,  -0.12,
04/12 09Z,  -0.20,  15.08,  15.19,  99.90,   0.31,
04/12 10Z,  -0.20,  18.79,  19.14,  99.90,   0.55,
04/12 11Z,  -0.20,  22.47,  22.39,  99.90,   0.12,
04/12 12Z,  -0.20,  24.85,  24.43,  99.90,  -0.22,
04/12 13Z,  -0.20,  24.73,  24.73,  99.90,   0.20,  (max)
04/12 14Z,  -0.10,  22.34,  22.85,  99.90,   0.61,
04/12 15Z,  -0.10,  18.69,  19.41,  99.90,   0.82,
04/12 16Z,  -0.10,  15.07,  15.54,  99.90,   0.57,
04/12 17Z,  -0.10,  11.86,  12.07,  99.90,   0.31,
04/12 18Z,  -0.10,   9.13,   9.34,  99.90,   0.31,
04/12 19Z,  -0.10,   8.70,   8.10,  99.90,  -0.50,  (min)
04/12 20Z,  -0.10,  11.61,  10.05,  99.90,  -1.46,
04/12 21Z,  -0.10,  15.61,  14.10,  99.90,  -1.41,
04/12 22Z,  -0.10,  18.84,  18.13,  99.90,  -0.61,
04/12 23Z,  -0.20,  21.69,  21.21,  99.90,  -0.28,
04/13 00Z,  -0.10,  23.70,  23.01,  99.90,  -0.59,  (max)
04/13 01Z,  -0.10,  23.56,  22.82,  99.90,  -0.64,
04/13 02Z,  -0.10,  21.18,  20.51,  99.90,  -0.57,
04/13 03Z,  -0.10,  17.36,  16.67,  99.90,  -0.59,
04/13 04Z,  -0.10,  13.27,  12.64,  99.90,  -0.53,
04/13 05Z,  -0.10,   9.62,   8.82,  99.90,  -0.70,
04/13 06Z,  -0.20,   6.25,   5.51,  99.90,  -0.54,
04/13 07Z,  -0.20,   4.33,   3.31,  99.90,  -0.82,  (min)
04/13 08Z,  -0.20,   6.06,   4.82,  99.90,  -1.04,
04/13 09Z,  -0.10,  10.63,  10.17,  99.90,  -0.36,
04/13 10Z,  -0.10,  15.45,  15.58,  99.90,   0.23,
04/13 11Z,  -0.10,  19.99,  20.30,  99.90,   0.41,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 12Z,   0.00,  24.17,  99.90,  24.51,   0.34,
04/13 13Z,   0.00,  26.44,  99.90,  26.72,   0.28,  (max)
04/13 14Z,   0.00,  25.90,  99.90,  26.12,   0.21,
04/13 15Z,   0.00,  23.02,  99.90,  23.17,   0.15,
04/13 16Z,  -0.10,  18.86,  99.90,  18.84,   0.08,
04/13 17Z,  -0.10,  14.57,  99.90,  14.48,   0.01,
04/13 18Z,  -0.10,  10.40,  99.90,  10.25,  -0.05,
04/13 19Z,  -0.10,   6.93,  99.90,   6.71,  -0.12,
04/13 20Z,  -0.10,   6.54,  99.90,   6.26,  -0.18,  (min)
04/13 21Z,   0.00,  10.06,  99.90,   9.81,  -0.25,
04/13 22Z,   0.00,  14.89,  99.90,  14.58,  -0.32,
04/13 23Z,   0.00,  19.24,  99.90,  18.86,  -0.38,
04/14 00Z,   0.00,  23.13,  99.90,  22.75,  -0.38,
04/14 01Z,   0.00,  25.56,  99.90,  25.17,  -0.38,  (max)
04/14 02Z,   0.00,  25.26,  99.90,  24.88,  -0.38,
04/14 03Z,   0.00,  22.46,  99.90,  22.08,  -0.38,
04/14 04Z,   0.00,  18.13,  99.90,  17.75,  -0.38,
04/14 05Z,   0.10,  13.48,  99.90,  13.20,  -0.38,
04/14 06Z,   0.10,   9.14,  99.90,   8.85,  -0.38,
04/14 07Z,   0.10,   5.17,  99.90,   4.89,  -0.38,
04/14 08Z,   0.00,   3.43,  99.90,   3.05,  -0.38,  (min)
04/14 09Z,   0.00,   6.06,  99.90,   5.68,  -0.38,
04/14 10Z,   0.00,  11.61,  99.90,  11.22,  -0.38,
04/14 11Z,   0.00,  17.27,  99.90,  16.89,  -0.38,
04/14 12Z,   0.00,  22.42,  99.90,  22.04,  -0.38,
04/14 13Z,   0.00,  26.52,  99.90,  26.13,  -0.38,
04/14 14Z,   0.00,  28.03,  99.90,  27.65,  -0.38,  (max)
04/14 15Z,   0.00,  26.55,  99.90,  26.17,  -0.38,
04/14 16Z,   0.00,  22.84,  99.90,  22.45,  -0.38,
04/14 17Z,   0.00,  17.99,  99.90,  17.61,  -0.38,
04/14 18Z,   0.00,  13.01,  99.90,  12.63,  -0.38,
04/14 19Z,   0.00,   8.11,  99.90,   7.73,  -0.38,
04/14 20Z,   0.00,   4.43,  99.90,   4.05,  -0.38,  (min)
04/14 21Z,   0.00,   4.78,  99.90,   4.40,  -0.38,
04/14 22Z,  -0.10,   9.46,  99.90,   8.98,  -0.38,
04/14 23Z,  -0.10,  15.44,  99.90,  14.96,  -0.38,
04/15 00Z,  -0.10,  20.85,  99.90,  20.37,  -0.38,
04/15 01Z,  -0.20,  25.31,  99.90,  24.73,  -0.38,
04/15 02Z,  -0.20,  27.51,  99.90,  26.93,  -0.38,  (max)
04/15 03Z,  -0.20,  26.53,  99.90,  25.95,  -0.38,
04/15 04Z,  -0.20,  23.00,  99.90,  22.42,  -0.38,
04/15 05Z,  -0.20,  18.07,  99.90,  17.49,  -0.38,
04/15 06Z,  -0.10,  12.94,  99.90,  12.45,  -0.38,
04/15 07Z,  -0.10,   8.12,  99.90,   7.64,  -0.38,
04/15 08Z,  -0.10,   4.07,  99.90,   3.59,  -0.38,
04/15 09Z,  -0.10,   3.17,  99.90,   2.69,  -0.38,  (min)
04/15 10Z,  -0.20,   7.23,  99.90,   6.65,  -0.38,
04/15 11Z,  -0.20,  13.97,  99.90,  13.39,  -0.38,
04/15 12Z,  -0.20,  20.34,  99.90,  19.75,  -0.38,
04/15 13Z,  -0.10,  25.56,  99.90,  25.08,  -0.38,
04/15 14Z,  -0.10,  28.85,  99.90,  28.37,  -0.38,
04/15 15Z,  -0.10,  29.02,  99.90,  28.54,  -0.38,  (max)
04/15 16Z,  -0.10,  26.27,  99.90,  25.79,  -0.38,
04/15 17Z,   0.00,  21.62,  99.90,  21.24,  -0.38,
04/15 18Z,   0.00,  16.15,  99.90,  15.77,  -0.38,
04/15 19Z,  -0.10,  10.66,  99.90,  10.18,  -0.38,
04/15 20Z,  -0.10,   5.40,  99.90,   4.91,  -0.38,
04/15 21Z,  -0.10,   2.13,  99.90,   1.65,  -0.38,  (min)
04/15 22Z,  -0.10,   3.82,  99.90,   3.34,  -0.38,
04/15 23Z,  -0.10,  10.00,  99.90,   9.52,  -0.38,
04/16 00Z,  -0.10,  17.11,  99.90,  16.63,  -0.38,
04/16 01Z,  -0.10,  23.21,  99.90,  22.73,  -0.38,
04/16 02Z,  -0.10,  27.61,  99.90,  27.13,  -0.38,
04/16 03Z,  -0.10,  29.01,  99.90,  28.53,  -0.38,  (max)
04/16 04Z,   0.00,  27.05,  99.90,  26.67,  -0.38,
04/16 05Z,   0.00,  22.75,  99.90,  22.36,  -0.38,
04/16 06Z,   0.00,  17.33,  99.90,  16.95,  -0.38,
04/16 07Z,   0.00,  11.92,  99.90,  11.54,  -0.38,
04/16 08Z,   0.00,   6.97,  99.90,   6.58,  -0.38,
04/16 09Z,  -0.10,   3.35,  99.90,   2.87,  -0.38,  (min)
04/16 10Z,  -0.10,   3.86,  99.90,   3.38,  -0.38,
04/16 11Z,  -0.10,   9.63,  99.90,   9.15,  -0.38,
04/16 12Z,  -0.20,  17.45,  99.90,  16.86,  -0.38,
04/16 13Z,  -0.20,  24.07,  99.90,  23.49,  -0.38,
04/16 14Z,  -0.20,  28.69,  99.90,  28.11,  -0.38,
04/16 15Z,  -0.20,  30.55,  99.90,  29.97,  -0.38,  (max)
04/16 16Z,  -0.20,  29.06,  99.90,  28.48,  -0.38,
04/16 17Z,  -0.20,  25.02,  99.90,  24.44,  -0.38,
04/16 18Z,  -0.20,  19.57,  99.90,  18.99,  -0.38,
04/16 19Z,  -0.20,  13.66,  99.90,  13.08,  -0.38,
04/16 20Z,  -0.30,   7.88,  99.90,   7.20,  -0.38,
04/16 21Z,  -0.30,   2.67,  99.90,   1.98,  -0.38,
04/16 22Z,  -0.30,   0.39,  99.90,  -0.29,  -0.38,  (min)
04/16 23Z,  -0.40,   3.85,  99.90,   3.06,  -0.38,
04/17 00Z,  -0.40,  11.56,  99.90,  10.78,  -0.38,