EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Unalaska, AK : 07/18/2025 20:20:50 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/17 00Z,  -0.30,   0.78,   0.91,  99.90,   0.43,
07/17 01Z,  -0.30,   0.76,   0.84,  99.90,   0.38,  (min)
07/17 02Z,  -0.30,   0.98,   1.00,  99.90,   0.32,
07/17 03Z,  -0.30,   1.40,   1.42,  99.90,   0.32,
07/17 04Z,  -0.30,   1.97,   1.99,  99.90,   0.32,
07/17 05Z,  -0.30,   2.57,   2.58,  99.90,   0.31,
07/17 06Z,  -0.30,   3.07,   3.04,  99.90,   0.27,
07/17 07Z,  -0.20,   3.37,   3.32,  99.90,   0.15,
07/17 08Z,  -0.20,   3.39,   3.40,  99.90,   0.21,  (max)
07/17 09Z,  -0.30,   3.13,   3.19,  99.90,   0.36,
07/17 10Z,  -0.20,   2.62,   2.75,  99.90,   0.33,
07/17 11Z,  -0.20,   1.98,   2.15,  99.90,   0.37,
07/17 12Z,  -0.20,   1.34,   1.47,  99.90,   0.33,
07/17 13Z,  -0.20,   0.82,   1.00,  99.90,   0.38,
07/17 14Z,  -0.20,   0.54,   0.73,  99.90,   0.39,  (min)
07/17 15Z,  -0.10,   0.51,   0.87,  99.90,   0.46,
07/17 16Z,   0.00,   0.72,   1.13,  99.90,   0.41,
07/17 17Z,   0.00,   1.09,   1.48,  99.90,   0.39,
07/17 18Z,   0.00,   1.50,   1.85,  99.90,   0.35,
07/17 19Z,   0.00,   1.84,   2.21,  99.90,   0.37,
07/17 20Z,   0.00,   2.04,   2.45,  99.90,   0.41,
07/17 21Z,   0.00,   2.05,   2.53,  99.90,   0.48,  (max)
07/17 22Z,   0.10,   1.91,   2.36,  99.90,   0.35,
07/17 23Z,   0.10,   1.68,   2.20,  99.90,   0.42,
07/18 00Z,   0.00,   1.46,   2.00,  99.90,   0.54,
07/18 01Z,   0.00,   1.34,   1.90,  99.90,   0.56,
07/18 02Z,   0.00,   1.39,   1.78,  99.90,   0.39,  (min)
07/18 03Z,   0.00,   1.66,   1.94,  99.90,   0.28,
07/18 04Z,   0.00,   2.09,   2.33,  99.90,   0.24,
07/18 05Z,  -0.10,   2.63,   2.81,  99.90,   0.28,
07/18 06Z,  -0.10,   3.15,   3.28,  99.90,   0.23,
07/18 07Z,  -0.10,   3.53,   3.62,  99.90,   0.19,
07/18 08Z,  -0.10,   3.65,   3.75,  99.90,   0.20,  (max)
07/18 09Z,  -0.10,   3.47,   3.44,  99.90,   0.07,
07/18 10Z,  -0.10,   2.99,   2.94,  99.90,   0.05,
07/18 11Z,  -0.10,   2.27,   2.31,  99.90,   0.14,
07/18 12Z,  -0.10,   1.46,   1.48,  99.90,   0.12,
07/18 13Z,  -0.10,   0.69,   0.76,  99.90,   0.17,
07/18 14Z,  -0.20,   0.11,   0.25,  99.90,   0.34,
07/18 15Z,  -0.20,  -0.17,  -0.10,  99.90,   0.27,
07/18 16Z,  -0.10,  -0.14,  -0.14,  99.90,   0.10,  (min)
07/18 17Z,  -0.10,   0.17,   0.42,  99.90,   0.35,
07/18 18Z,   0.00,   0.67,   0.79,  99.90,   0.12,
07/18 19Z,   0.00,   1.23,   1.28,  99.90,   0.05,
07/18 20Z,   0.00,   1.73,   1.86,  99.90,   0.13,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/18 21Z,   0.00,   2.08,  99.90,   2.21,   0.13,
07/18 22Z,   0.00,   2.23,  99.90,   2.37,   0.14,  (max)
07/18 23Z,   0.00,   2.21,  99.90,   2.35,   0.14,
07/19 00Z,   0.00,   2.08,  99.90,   2.23,   0.15,
07/19 01Z,   0.10,   1.95,  99.90,   2.21,   0.16,  (min)
07/19 02Z,   0.20,   1.90,  99.90,   2.26,   0.16,
07/19 03Z,   0.20,   2.01,  99.90,   2.38,   0.17,
07/19 04Z,   0.20,   2.29,  99.90,   2.67,   0.17,
07/19 05Z,   0.20,   2.73,  99.90,   3.11,   0.18,
07/19 06Z,   0.20,   3.22,  99.90,   3.60,   0.19,
07/19 07Z,   0.10,   3.65,  99.90,   3.94,   0.19,
07/19 08Z,   0.10,   3.89,  99.90,   4.19,   0.20,  (max)
07/19 09Z,   0.10,   3.86,  99.90,   4.16,   0.20,
07/19 10Z,   0.10,   3.49,  99.90,   3.79,   0.20,
07/19 11Z,   0.10,   2.82,  99.90,   3.12,   0.20,
07/19 12Z,   0.10,   1.93,  99.90,   2.23,   0.20,
07/19 13Z,   0.20,   0.98,  99.90,   1.38,   0.20,
07/19 14Z,   0.20,   0.12,  99.90,   0.52,   0.20,
07/19 15Z,   0.20,  -0.49,  99.90,  -0.09,   0.20,
07/19 16Z,   0.10,  -0.76,  99.90,  -0.46,   0.20,  (min)
07/19 17Z,   0.10,  -0.66,  99.90,  -0.36,   0.20,
07/19 18Z,   0.10,  -0.24,  99.90,   0.06,   0.20,
07/19 19Z,   0.10,   0.39,  99.90,   0.69,   0.20,
07/19 20Z,   0.10,   1.09,  99.90,   1.39,   0.20,
07/19 21Z,   0.10,   1.72,  99.90,   2.02,   0.20,
07/19 22Z,   0.10,   2.19,  99.90,   2.49,   0.20,
07/19 23Z,   0.00,   2.45,  99.90,   2.65,   0.20,
07/20 00Z,   0.10,   2.52,  99.90,   2.82,   0.20,  (max)
07/20 01Z,   0.10,   2.47,  99.90,   2.77,   0.20,
07/20 02Z,   0.10,   2.40,  99.90,   2.70,   0.20,
07/20 03Z,   0.10,   2.40,  99.90,   2.70,   0.20,  (min)
07/20 04Z,   0.10,   2.53,  99.90,   2.83,   0.20,
07/20 05Z,   0.10,   2.83,  99.90,   3.12,   0.20,
07/20 06Z,   0.10,   3.24,  99.90,   3.53,   0.20,
07/20 07Z,   0.00,   3.67,  99.90,   3.87,   0.20,
07/20 08Z,   0.00,   4.02,  99.90,   4.22,   0.20,
07/20 09Z,   0.00,   4.15,  99.90,   4.35,   0.20,  (max)
07/20 10Z,   0.00,   3.98,  99.90,   4.18,   0.20,
07/20 11Z,   0.00,   3.46,  99.90,   3.66,   0.20,
07/20 12Z,   0.00,   2.65,  99.90,   2.85,   0.20,
07/20 13Z,   0.00,   1.63,  99.90,   1.83,   0.20,
07/20 14Z,   0.00,   0.59,  99.90,   0.79,   0.20,
07/20 15Z,   0.00,  -0.32,  99.90,  -0.12,   0.20,
07/20 16Z,   0.00,  -0.94,  99.90,  -0.74,   0.20,
07/20 17Z,   0.00,  -1.17,  99.90,  -0.97,   0.20,  (min)
07/20 18Z,   0.00,  -1.00,  99.90,  -0.80,   0.20,
07/20 19Z,   0.00,  -0.49,  99.90,  -0.29,   0.20,
07/20 20Z,   0.00,   0.24,  99.90,   0.44,   0.20,
07/20 21Z,   0.00,   1.04,  99.90,   1.24,   0.20,
07/20 22Z,   0.00,   1.77,  99.90,   1.97,   0.20,
07/20 23Z,  -0.10,   2.33,  99.90,   2.43,   0.20,
07/21 00Z,  -0.10,   2.66,  99.90,   2.76,   0.20,
07/21 01Z,  -0.10,   2.80,  99.90,   2.89,   0.20,
07/21 02Z,  -0.10,   2.80,  99.90,   2.90,   0.20,  (max)
07/21 03Z,  -0.10,   2.76,  99.90,   2.86,   0.20,  (min)
07/21 04Z,  -0.10,   2.78,  99.90,   2.88,   0.20,
07/21 05Z,  -0.10,   2.93,  99.90,   3.03,   0.20,
07/21 06Z,  -0.20,   3.21,  99.90,   3.21,   0.20,
07/21 07Z,  -0.20,   3.59,  99.90,   3.59,   0.20,
07/21 08Z,  -0.20,   3.98,  99.90,   3.98,   0.20,
07/21 09Z,  -0.30,   4.26,  99.90,   4.15,   0.20,
07/21 10Z,  -0.30,   4.30,  99.90,   4.20,   0.20,  (max)
07/21 11Z,  -0.30,   4.02,  99.90,   3.92,   0.20,
07/21 12Z,  -0.30,   3.40,  99.90,   3.30,   0.20,
07/21 13Z,  -0.40,   2.49,  99.90,   2.29,   0.20,
07/21 14Z,  -0.40,   1.41,  99.90,   1.20,   0.20,
07/21 15Z,  -0.40,   0.31,  99.90,   0.11,   0.20,
07/21 16Z,  -0.40,  -0.61,  99.90,  -0.81,   0.20,
07/21 17Z,  -0.40,  -1.21,  99.90,  -1.41,   0.20,
07/21 18Z,  -0.40,  -1.40,  99.90,  -1.60,   0.20,  (min)
07/21 19Z,  -0.40,  -1.17,  99.90,  -1.37,   0.20,
07/21 20Z,  -0.40,  -0.59,  99.90,  -0.79,   0.20,
07/21 21Z,  -0.50,   0.21,  99.90,  -0.09,   0.20,
07/21 22Z,  -0.50,   1.08,  99.90,   0.78,   0.20,
07/21 23Z,  -0.50,   1.87,  99.90,   1.57,   0.20,
07/22 00Z,  -0.50,   2.47,  99.90,   2.17,   0.20,
07/22 01Z,  -0.50,   2.84,  99.90,   2.54,   0.20,
07/22 02Z,  -0.50,   3.01,  99.90,   2.71,   0.20,
07/22 03Z,  -0.50,   3.03,  99.90,   2.73,   0.20,  (max)
07/22 04Z,  -0.50,   3.01,  99.90,   2.71,   0.20,  (min)
07/22 05Z,  -0.50,   3.03,  99.90,   2.73,   0.20,
07/22 06Z,  -0.50,   3.17,  99.90,   2.87,   0.20,
07/22 07Z,  -0.50,   3.43,  99.90,   3.13,   0.20,
07/22 08Z,  -0.50,   3.78,  99.90,   3.48,   0.20,
07/22 09Z,  -0.60,   4.12,  99.90,   3.72,   0.20,
07/22 10Z,  -0.60,   4.34,  99.90,   3.94,   0.20,  (max)
07/22 11Z,  -0.60,   4.32,  99.90,   3.92,   0.20,
07/22 12Z,  -0.60,   3.98,  99.90,   3.58,   0.20,