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
#Seward, AK : 08/15/2026 00:22:45 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 06Z,   0.10,   4.33,   3.19,  99.90,  -1.24,
08/13 07Z,   0.10,   7.03,   5.86,  99.90,  -1.27,
08/13 08Z,   0.10,   9.70,   8.57,  99.90,  -1.23,
08/13 09Z,   0.10,  11.60,  10.50,  99.90,  -1.20,
08/13 10Z,   0.00,  12.22,  11.12,  99.90,  -1.10,  (max)
08/13 11Z,   0.10,  11.37,  10.26,  99.90,  -1.21,
08/13 12Z,   0.10,   9.15,   8.01,  99.90,  -1.24,
08/13 13Z,   0.10,   5.95,   4.93,  99.90,  -1.12,
08/13 14Z,   0.00,   2.45,   1.39,  99.90,  -1.06,
08/13 15Z,   0.00,  -0.49,  -1.66,  99.90,  -1.17,
08/13 16Z,   0.00,  -2.15,  -3.31,  99.90,  -1.16,
08/13 17Z,   0.00,  -2.20,  -3.34,  99.90,  -1.14,  (min)
08/13 18Z,   0.10,  -0.68,  -1.80,  99.90,  -1.22,
08/13 19Z,   0.10,   2.00,   0.80,  99.90,  -1.30,
08/13 20Z,   0.10,   5.17,   4.00,  99.90,  -1.27,
08/13 21Z,   0.10,   8.03,   6.94,  99.90,  -1.19,
08/13 22Z,   0.10,   9.91,   8.84,  99.90,  -1.17,
08/13 23Z,   0.10,  10.48,   9.45,  99.90,  -1.13,  (max)
08/14 00Z,   0.30,   9.66,   8.62,  99.90,  -1.34,
08/14 01Z,   0.30,   7.70,   6.75,  99.90,  -1.25,
08/14 02Z,   0.30,   5.11,   4.16,  99.90,  -1.25,
08/14 03Z,   0.30,   2.65,   1.50,  99.90,  -1.45,
08/14 04Z,   0.30,   1.08,  -0.10,  99.90,  -1.48,
08/14 05Z,   0.30,   0.87,  -0.28,  99.90,  -1.45,  (min)
08/14 06Z,   0.50,   2.08,   1.10,  99.90,  -1.48,
08/14 07Z,   0.50,   4.41,   3.31,  99.90,  -1.60,
08/14 08Z,   0.50,   7.27,   6.16,  99.90,  -1.61,
08/14 09Z,   0.50,   9.89,   8.84,  99.90,  -1.55,
08/14 10Z,   0.50,  11.56,  10.56,  99.90,  -1.50,
08/14 11Z,   0.50,  11.84,  10.87,  99.90,  -1.47,  (max)
08/14 12Z,   0.60,  10.65,   9.66,  99.90,  -1.59,
08/14 13Z,   0.50,   8.17,   7.27,  99.90,  -1.40,
08/14 14Z,   0.50,   4.90,   4.05,  99.90,  -1.35,
08/14 15Z,   0.50,   1.59,   0.66,  99.90,  -1.43,
08/14 16Z,   0.50,  -0.91,  -2.00,  99.90,  -1.59,
08/14 17Z,   0.50,  -1.97,  -3.03,  99.90,  -1.56,  (min)
08/14 18Z,   0.60,  -1.38,  -2.32,  99.90,  -1.54,
08/14 19Z,   0.60,   0.65,  -0.32,  99.90,  -1.57,
08/14 20Z,   0.60,   3.61,   2.70,  99.90,  -1.51,
08/14 21Z,   0.60,   6.76,   5.93,  99.90,  -1.43,
08/14 22Z,   0.60,   9.31,   8.59,  99.90,  -1.32,
08/14 23Z,   0.60,  10.68,   9.93,  99.90,  -1.35,  (max)
08/15 00Z,   0.60,  10.66,   9.90,  99.90,  -1.36,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/15 01Z,   0.60,   9.29,  99.90,   8.54,  -1.35,
08/15 02Z,   0.70,   6.92,  99.90,   6.27,  -1.35,
08/15 03Z,   0.70,   4.14,  99.90,   3.50,  -1.34,
08/15 04Z,   0.80,   1.77,  99.90,   1.23,  -1.34,
08/15 05Z,   0.80,   0.49,  99.90,  -0.04,  -1.34,  (min)
08/15 06Z,   0.80,   0.66,  99.90,   0.13,  -1.33,
08/15 07Z,   0.90,   2.19,  99.90,   1.77,  -1.33,
08/15 08Z,   0.90,   4.69,  99.90,   4.26,  -1.32,
08/15 09Z,   0.90,   7.49,  99.90,   7.07,  -1.32,
08/15 10Z,   0.80,   9.85,  99.90,   9.34,  -1.31,
08/15 11Z,   0.80,  11.13,  99.90,  10.62,  -1.31,  (max)
08/15 12Z,   0.70,  11.02,  99.90,  10.42,  -1.31,
08/15 13Z,   0.70,   9.55,  99.90,   8.94,  -1.31,
08/15 14Z,   0.70,   6.99,  99.90,   6.38,  -1.31,
08/15 15Z,   0.70,   3.90,  99.90,   3.29,  -1.31,
08/15 16Z,   0.70,   1.04,  99.90,   0.43,  -1.31,
08/15 17Z,   0.80,  -0.81,  99.90,  -1.32,  -1.31,
08/15 18Z,   0.70,  -1.17,  99.90,  -1.78,  -1.31,  (min)
08/15 19Z,   0.80,  -0.00,  99.90,  -0.51,  -1.31,
08/15 20Z,   0.80,   2.37,  99.90,   1.86,  -1.31,
08/15 21Z,   0.80,   5.35,  99.90,   4.85,  -1.31,
08/15 22Z,   0.70,   8.21,  99.90,   7.60,  -1.31,
08/15 23Z,   0.80,  10.23,  99.90,   9.72,  -1.31,
08/16 00Z,   0.80,  10.98,  99.90,  10.48,  -1.31,  (max)
08/16 01Z,   0.70,  10.37,  99.90,   9.76,  -1.31,
08/16 02Z,   0.70,   8.56,  99.90,   7.96,  -1.31,
08/16 03Z,   0.70,   5.98,  99.90,   5.37,  -1.31,
08/16 04Z,   0.70,   3.27,  99.90,   2.66,  -1.31,
08/16 05Z,   0.70,   1.18,  99.90,   0.58,  -1.31,
08/16 06Z,   0.70,   0.31,  99.90,  -0.29,  -1.31,  (min)
08/16 07Z,   0.70,   0.84,  99.90,   0.24,  -1.31,
08/16 08Z,   0.70,   2.57,  99.90,   1.96,  -1.31,
08/16 09Z,   0.70,   5.03,  99.90,   4.42,  -1.31,
08/16 10Z,   0.80,   7.57,  99.90,   7.06,  -1.31,
08/16 11Z,   0.80,   9.51,  99.90,   9.00,  -1.31,
08/16 12Z,   0.80,  10.34,  99.90,   9.83,  -1.31,  (max)
08/16 13Z,   0.80,   9.89,  99.90,   9.38,  -1.31,
08/16 14Z,   0.70,   8.28,  99.90,   7.68,  -1.31,
08/16 15Z,   0.80,   5.86,  99.90,   5.35,  -1.31,
08/16 16Z,   0.70,   3.18,  99.90,   2.57,  -1.31,
08/16 17Z,   0.80,   0.97,  99.90,   0.46,  -1.31,
08/16 18Z,   0.70,  -0.14,  99.90,  -0.75,  -1.31,  (min)
08/16 19Z,   0.70,   0.16,  99.90,  -0.45,  -1.31,
08/16 20Z,   0.70,   1.74,  99.90,   1.13,  -1.31,
08/16 21Z,   0.80,   4.20,  99.90,   3.69,  -1.31,
08/16 22Z,   0.80,   6.93,  99.90,   6.43,  -1.31,
08/16 23Z,   0.70,   9.28,  99.90,   8.67,  -1.31,
08/17 00Z,   0.80,  10.65,  99.90,  10.15,  -1.31,
08/17 01Z,   0.80,  10.78,  99.90,  10.28,  -1.31,  (max)
08/17 02Z,   0.80,   9.69,  99.90,   9.19,  -1.31,
08/17 03Z,   0.90,   7.65,  99.90,   7.24,  -1.31,
08/17 04Z,   0.90,   5.09,  99.90,   4.68,  -1.31,
08/17 05Z,   0.90,   2.65,  99.90,   2.24,  -1.31,
08/17 06Z,   0.90,   0.98,  99.90,   0.58,  -1.31,
08/17 07Z,   1.00,   0.53,  99.90,   0.22,  -1.31,  (min)
08/17 08Z,   1.10,   1.31,  99.90,   1.11,  -1.31,
08/17 09Z,   1.30,   3.06,  99.90,   3.05,  -1.31,
08/17 10Z,   1.20,   5.28,  99.90,   5.18,  -1.31,
08/17 11Z,   1.20,   7.41,  99.90,   7.30,  -1.31,
08/17 12Z,   1.20,   8.86,  99.90,   8.75,  -1.31,
08/17 13Z,   1.20,   9.28,  99.90,   9.18,  -1.31,  (max)
08/17 14Z,   1.10,   8.63,  99.90,   8.43,  -1.31,
08/17 15Z,   1.00,   7.09,  99.90,   6.78,  -1.31,
08/17 16Z,   1.00,   5.01,  99.90,   4.70,  -1.31,
08/17 17Z,   1.10,   2.92,  99.90,   2.71,  -1.31,
08/17 18Z,   1.10,   1.43,  99.90,   1.22,  -1.31,
08/17 19Z,   1.00,   1.01,  99.90,   0.70,  -1.31,  (min)
08/17 20Z,   1.00,   1.79,  99.90,   1.48,  -1.31,
08/17 21Z,   1.00,   3.53,  99.90,   3.23,  -1.31,
08/17 22Z,   1.00,   5.82,  99.90,   5.51,  -1.31,
08/17 23Z,   1.00,   8.10,  99.90,   7.79,  -1.31,
08/18 00Z,   0.90,   9.82,  99.90,   9.41,  -1.31,
08/18 01Z,   0.90,  10.56,  99.90,  10.15,  -1.31,  (max)
08/18 02Z,   0.80,  10.19,  99.90,   9.68,  -1.31,
08/18 03Z,   0.80,   8.83,  99.90,   8.32,  -1.31,
08/18 04Z,   0.80,   6.76,  99.90,   6.26,  -1.31,
08/18 05Z,   0.90,   4.43,  99.90,   4.02,  -1.31,
08/18 06Z,   0.90,   2.39,  99.90,   1.98,  -1.31,
08/18 07Z,   0.90,   1.16,  99.90,   0.76,  -1.31,
08/18 08Z,   0.90,   1.02,  99.90,   0.62,  -1.31,  (min)
08/18 09Z,   0.90,   1.90,  99.90,   1.49,  -1.31,
08/18 10Z,   0.90,   3.47,  99.90,   3.06,  -1.31,
08/18 11Z,   0.80,   5.32,  99.90,   4.82,  -1.31,
08/18 12Z,   0.80,   6.97,  99.90,   6.47,  -1.31,
08/18 13Z,   0.70,   7.99,  99.90,   7.38,  -1.31,
08/18 14Z,   0.70,   8.15,  99.90,   7.54,  -1.31,  (max)
08/18 15Z,   0.70,   7.47,  99.90,   6.87,  -1.31,
08/18 16Z,   0.70,   6.18,  99.90,   5.58,  -1.31,
08/18 17Z,   0.70,   4.59,  99.90,   3.99,  -1.31,
08/18 18Z,   0.70,   3.14,  99.90,   2.54,  -1.31,