EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Sitka, AK : 12/15/2025 21:21:40 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/14 06Z,   0.40,   6.85,   7.07,  99.90,  -0.18,  (max)
12/14 07Z,   0.40,   6.33,   6.57,  99.90,  -0.16,
12/14 08Z,   0.40,   5.46,   5.81,  99.90,  -0.05,
12/14 09Z,   0.40,   4.51,   4.91,  99.90,   0.00,
12/14 10Z,   0.30,   3.77,   4.29,  99.90,   0.22,
12/14 11Z,   0.30,   3.50,   4.04,  99.90,   0.24,  (min)
12/14 12Z,   0.60,   3.83,   4.38,  99.90,  -0.05,
12/14 13Z,   0.70,   4.74,   5.30,  99.90,  -0.14,
12/14 14Z,   0.70,   6.07,   6.61,  99.90,  -0.16,
12/14 15Z,   0.90,   7.52,   8.04,  99.90,  -0.38,
12/14 16Z,   1.00,   8.75,   9.29,  99.90,  -0.46,
12/14 17Z,   1.00,   9.48,   9.96,  99.90,  -0.52,
12/14 18Z,   1.00,   9.49,   9.99,  99.90,  -0.50,  (max)
12/14 19Z,   1.10,   8.76,   9.28,  99.90,  -0.58,
12/14 20Z,   1.20,   7.41,   7.86,  99.90,  -0.75,
12/14 21Z,   1.20,   5.71,   6.31,  99.90,  -0.60,
12/14 22Z,   1.20,   4.01,   4.59,  99.90,  -0.62,
12/14 23Z,   1.30,   2.67,   3.42,  99.90,  -0.55,
12/15 00Z,   1.30,   1.94,   2.55,  99.90,  -0.69,  (min)
12/15 01Z,   1.40,   1.93,   2.71,  99.90,  -0.62,
12/15 02Z,   1.50,   2.61,   3.49,  99.90,  -0.62,
12/15 03Z,   1.60,   3.75,   4.53,  99.90,  -0.82,
12/15 04Z,   1.60,   5.07,   5.97,  99.90,  -0.70,
12/15 05Z,   1.60,   6.21,   7.24,  99.90,  -0.57,
12/15 06Z,   1.60,   6.93,   7.99,  99.90,  -0.54,
12/15 07Z,   1.70,   7.08,   8.09,  99.90,  -0.69,  (max)
12/15 08Z,   1.80,   6.68,   7.74,  99.90,  -0.74,
12/15 09Z,   1.90,   5.89,   6.85,  99.90,  -0.94,
12/15 10Z,   1.90,   5.01,   5.99,  99.90,  -0.92,
12/15 11Z,   1.90,   4.33,   5.29,  99.90,  -0.94,
12/15 12Z,   1.80,   4.11,   4.99,  99.90,  -0.92,  (min)
12/15 13Z,   2.00,   4.48,   5.33,  99.90,  -1.15,
12/15 14Z,   2.10,   5.43,   6.20,  99.90,  -1.33,
12/15 15Z,   2.20,   6.75,   7.54,  99.90,  -1.41,
12/15 16Z,   2.10,   8.15,   8.93,  99.90,  -1.32,
12/15 17Z,   2.00,   9.27,  10.14,  99.90,  -1.13,
12/15 18Z,   1.90,   9.80,  10.76,  99.90,  -0.94,  (max)
12/15 19Z,   1.80,   9.56,  10.54,  99.90,  -0.82,
12/15 20Z,   1.70,   8.55,   9.49,  99.90,  -0.76,
12/15 21Z,   1.60,   6.93,   7.77,  99.90,  -0.76,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/15 22Z,   1.60,   5.01,  99.90,   5.87,  -0.74,
12/15 23Z,   1.70,   3.18,  99.90,   4.16,  -0.72,
12/16 00Z,   1.70,   1.81,  99.90,   2.81,  -0.70,
12/16 01Z,   1.80,   1.17,  99.90,   2.29,  -0.68,  (min)
12/16 02Z,   1.80,   1.35,  99.90,   2.49,  -0.66,
12/16 03Z,   1.70,   2.26,  99.90,   3.33,  -0.64,
12/16 04Z,   1.60,   3.66,  99.90,   4.64,  -0.62,
12/16 05Z,   1.60,   5.19,  99.90,   6.20,  -0.60,
12/16 06Z,   1.50,   6.50,  99.90,   7.43,  -0.58,
12/16 07Z,   1.50,   7.30,  99.90,   8.25,  -0.56,
12/16 08Z,   1.40,   7.47,  99.90,   8.33,  -0.54,  (max)
12/16 09Z,   1.20,   7.04,  99.90,   7.72,  -0.52,
12/16 10Z,   1.10,   6.22,  99.90,   6.80,  -0.52,
12/16 11Z,   1.00,   5.32,  99.90,   5.80,  -0.52,
12/16 12Z,   1.00,   4.67,  99.90,   5.15,  -0.52,
12/16 13Z,   1.00,   4.53,  99.90,   5.01,  -0.52,  (min)
12/16 14Z,   1.00,   5.01,  99.90,   5.49,  -0.52,
12/16 15Z,   0.90,   6.06,  99.90,   6.44,  -0.52,
12/16 16Z,   0.90,   7.43,  99.90,   7.81,  -0.52,
12/16 17Z,   0.80,   8.79,  99.90,   9.07,  -0.52,
12/16 18Z,   0.70,   9.77,  99.90,   9.95,  -0.52,
12/16 19Z,   0.60,  10.05,  99.90,  10.14,  -0.52,  (max)
12/16 20Z,   0.60,   9.50,  99.90,   9.59,  -0.52,
12/16 21Z,   0.60,   8.15,  99.90,   8.24,  -0.52,
12/16 22Z,   0.50,   6.23,  99.90,   6.22,  -0.52,
12/16 23Z,   0.50,   4.12,  99.90,   4.10,  -0.52,
12/17 00Z,   0.40,   2.24,  99.90,   2.12,  -0.52,
12/17 01Z,   0.30,   0.96,  99.90,   0.75,  -0.52,
12/17 02Z,   0.30,   0.55,  99.90,   0.33,  -0.52,  (min)
12/17 03Z,   0.40,   1.04,  99.90,   0.92,  -0.52,
12/17 04Z,   0.30,   2.28,  99.90,   2.07,  -0.52,
12/17 05Z,   0.20,   3.96,  99.90,   3.65,  -0.52,
12/17 06Z,   0.30,   5.68,  99.90,   5.46,  -0.52,
12/17 07Z,   0.30,   7.05,  99.90,   6.84,  -0.52,
12/17 08Z,   0.40,   7.81,  99.90,   7.69,  -0.52,
12/17 09Z,   0.40,   7.84,  99.90,   7.73,  -0.52,  (max)
12/17 10Z,   0.40,   7.27,  99.90,   7.15,  -0.52,
12/17 11Z,   0.50,   6.33,  99.90,   6.32,  -0.52,
12/17 12Z,   0.60,   5.40,  99.90,   5.48,  -0.52,
12/17 13Z,   0.70,   4.81,  99.90,   4.99,  -0.52,
12/17 14Z,   0.70,   4.81,  99.90,   4.99,  -0.52,  (min)
12/17 15Z,   0.60,   5.47,  99.90,   5.55,  -0.52,
12/17 16Z,   0.50,   6.67,  99.90,   6.65,  -0.52,
12/17 17Z,   0.40,   8.12,  99.90,   8.00,  -0.52,
12/17 18Z,   0.30,   9.42,  99.90,   9.21,  -0.52,
12/17 19Z,   0.30,  10.20,  99.90,   9.99,  -0.52,
12/17 20Z,   0.40,  10.18,  99.90,  10.06,  -0.52,  (max)
12/17 21Z,   0.40,   9.25,  99.90,   9.14,  -0.52,
12/17 22Z,   0.40,   7.54,  99.90,   7.42,  -0.52,
12/17 23Z,   0.40,   5.35,  99.90,   5.23,  -0.52,
12/18 00Z,   0.40,   3.11,  99.90,   3.00,  -0.52,
12/18 01Z,   0.40,   1.29,  99.90,   1.17,  -0.52,
12/18 02Z,   0.50,   0.24,  99.90,   0.23,  -0.52,
12/18 03Z,   0.50,   0.18,  99.90,   0.16,  -0.52,  (min)
12/18 04Z,   0.50,   1.06,  99.90,   1.04,  -0.52,
12/18 05Z,   0.50,   2.66,  99.90,   2.64,  -0.52,
12/18 06Z,   0.40,   4.58,  99.90,   4.47,  -0.52,
12/18 07Z,   0.30,   6.39,  99.90,   6.18,  -0.52,
12/18 08Z,   0.20,   7.70,  99.90,   7.38,  -0.52,
12/18 09Z,   0.20,   8.27,  99.90,   7.95,  -0.52,  (max)
12/18 10Z,   0.20,   8.07,  99.90,   7.75,  -0.52,
12/18 11Z,   0.30,   7.28,  99.90,   7.06,  -0.52,
12/18 12Z,   0.40,   6.21,  99.90,   6.10,  -0.52,
12/18 13Z,   0.50,   5.28,  99.90,   5.26,  -0.52,
12/18 14Z,   0.60,   4.81,  99.90,   4.90,  -0.52,  (min)
12/18 15Z,   0.50,   5.03,  99.90,   5.01,  -0.52,
12/18 16Z,   0.50,   5.92,  99.90,   5.91,  -0.52,
12/18 17Z,   0.40,   7.30,  99.90,   7.18,  -0.52,
12/18 18Z,   0.40,   8.80,  99.90,   8.68,  -0.52,
12/18 19Z,   0.40,  10.00,  99.90,   9.88,  -0.52,
12/18 20Z,   0.40,  10.51,  99.90,  10.40,  -0.52,  (max)
12/18 21Z,   0.40,  10.12,  99.90,  10.00,  -0.52,
12/18 22Z,   0.40,   8.78,  99.90,   8.67,  -0.52,
12/18 23Z,   0.50,   6.72,  99.90,   6.71,  -0.52,
12/19 00Z,   0.50,   4.33,  99.90,   4.31,  -0.52,
12/19 01Z,   0.50,   2.08,  99.90,   2.06,  -0.52,
12/19 02Z,   0.60,   0.44,  99.90,   0.53,  -0.52,
12/19 03Z,   0.50,  -0.25,  99.90,  -0.27,  -0.52,  (min)
12/19 04Z,   0.50,   0.11,  99.90,   0.09,  -0.52,
12/19 05Z,   0.40,   1.41,  99.90,   1.29,  -0.52,
12/19 06Z,   0.40,   3.32,  99.90,   3.21,  -0.52,
12/19 07Z,   0.40,   5.40,  99.90,   5.28,  -0.52,
12/19 08Z,   0.40,   7.17,  99.90,   7.05,  -0.52,
12/19 09Z,   0.30,   8.28,  99.90,   8.06,  -0.52,
12/19 10Z,   0.30,   8.56,  99.90,   8.34,  -0.52,  (max)
12/19 11Z,   0.30,   8.06,  99.90,   7.84,  -0.52,
12/19 12Z,   0.40,   7.04,  99.90,   6.93,  -0.52,
12/19 13Z,  99.90,   5.90,  99.90,  99.90,  -0.52,
12/19 14Z,  99.90,   5.04,  99.90,  99.90,  -0.52,
12/19 15Z,  99.90,   4.79,  99.90,  99.90,  -0.52,
12/19 16Z,  99.90,   5.27,  99.90,  99.90,  -0.52,
12/19 17Z,  99.90,   6.43,  99.90,  99.90,  -0.52,
12/19 18Z,  99.90,   7.95,  99.90,  99.90,  -0.52,