EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 08/17/2026 19:22:49 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 00Z,  -0.20,  -3.51,  -3.38,  99.90,   0.33,  (max)
08/16 01Z,  -0.20,  -5.82,  -5.69,  99.90,   0.33,
08/16 02Z,  -0.20,  -9.69,  -9.61,  99.90,   0.28,
08/16 03Z,  -0.20, -14.07, -14.12,  99.90,   0.15,
08/16 04Z,  -0.20, -17.77, -17.95,  99.90,   0.02,
08/16 05Z,  -0.20, -19.83, -20.05,  99.90,  -0.02,  (min)
08/16 06Z,  -0.30, -19.78, -19.91,  99.90,   0.17,
08/16 07Z,  -0.30, -17.72, -17.76,  99.90,   0.26,
08/16 08Z,  -0.20, -14.25, -14.28,  99.90,   0.17,
08/16 09Z,  -0.20, -10.25, -10.35,  99.90,   0.10,
08/16 10Z,  -0.30,  -6.70,  -6.94,  99.90,   0.06,
08/16 11Z,  -0.30,  -4.48,  -4.84,  99.90,  -0.06,
08/16 12Z,  -0.30,  -4.19,  -4.59,  99.90,  -0.10,  (max)
08/16 13Z,  -0.30,  -5.97,  -6.31,  99.90,  -0.04,
08/16 14Z,  -0.30,  -9.43,  -9.71,  99.90,   0.02,
08/16 15Z,  -0.30, -13.68, -13.85,  99.90,   0.13,
08/16 16Z,  -0.30, -17.57, -17.70,  99.90,   0.17,
08/16 17Z,  -0.30, -20.05, -20.14,  99.90,   0.21,
08/16 18Z,  -0.30, -20.49, -20.54,  99.90,   0.25,  (min)
08/16 19Z,  -0.30, -18.81, -18.89,  99.90,   0.22,
08/16 20Z,  -0.40, -15.49, -15.63,  99.90,   0.26,
08/16 21Z,  -0.40, -11.36, -11.47,  99.90,   0.29,
08/16 22Z,  -0.30,  -7.42,  -7.58,  99.90,   0.14,
08/16 23Z,  -0.30,  -4.58,  -4.70,  99.90,   0.18,
08/17 00Z,  -0.30,  -3.54,  -3.57,  99.90,   0.27,  (max)
08/17 01Z,  -0.30,  -4.55,  -4.61,  99.90,   0.24,
08/17 02Z,  -0.40,  -7.37,  -7.50,  99.90,   0.27,
08/17 03Z,  -0.40, -11.28, -11.47,  99.90,   0.21,
08/17 04Z,  -0.40, -15.24, -15.54,  99.90,   0.10,
08/17 05Z,  -0.40, -18.25, -18.56,  99.90,   0.09,
08/17 06Z,  -0.40, -19.58, -19.77,  99.90,   0.21,  (min)
08/17 07Z,  -0.40, -18.99, -19.00,  99.90,   0.39,
08/17 08Z,  -0.40, -16.73, -16.71,  99.90,   0.42,
08/17 09Z,  -0.40, -13.43, -13.47,  99.90,   0.36,
08/17 10Z,  -0.40,  -9.92, -10.20,  99.90,   0.12,
08/17 11Z,  -0.40,  -7.08,  -7.54,  99.90,  -0.06,
08/17 12Z,  -0.40,  -5.59,  -6.12,  99.90,  -0.13,  (max)
08/17 13Z,  -0.40,  -5.87,  -6.34,  99.90,  -0.07,
08/17 14Z,  -0.40,  -7.86,  -8.24,  99.90,   0.02,
08/17 15Z,  -0.40, -11.04, -11.22,  99.90,   0.22,
08/17 16Z,  -0.40, -14.55, -14.63,  99.90,   0.32,
08/17 17Z,  -0.40, -17.42, -17.47,  99.90,   0.35,
08/17 18Z,  -0.40, -18.84, -18.92,  99.90,   0.32,  (min)
08/17 19Z,  -0.40, -18.46, -18.49,  99.90,   0.37,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 20Z,  -0.40, -16.37,  99.90, -16.42,   0.36,
08/17 21Z,  -0.40, -13.13,  99.90, -13.19,   0.34,
08/17 22Z,  -0.30,  -9.53,  99.90,  -9.50,   0.33,
08/17 23Z,  -0.30,  -6.43,  99.90,  -6.40,   0.32,
08/18 00Z,  -0.30,  -4.57,  99.90,  -4.56,   0.31,
08/18 01Z,  -0.30,  -4.41,  99.90,  -4.41,   0.30,  (max)
08/18 02Z,  -0.30,  -6.00,  99.90,  -6.01,   0.29,
08/18 03Z,  -0.40,  -8.96,  99.90,  -9.08,   0.28,
08/18 04Z,  -0.40, -12.54,  99.90, -12.68,   0.27,
08/18 05Z,  -0.40, -15.86,  99.90, -16.00,   0.25,
08/18 06Z,  -0.40, -18.11,  99.90, -18.27,   0.24,
08/18 07Z,  -0.40, -18.82,  99.90, -18.99,   0.23,  (min)
08/18 08Z,  -0.40, -17.93,  99.90, -18.09,   0.23,
08/18 09Z,  -0.40, -15.74,  99.90, -15.91,   0.23,
08/18 10Z,  -0.40, -12.87,  99.90, -13.04,   0.23,
08/18 11Z,  -0.40, -10.03,  99.90, -10.20,   0.23,
08/18 12Z,  -0.40,  -7.91,  99.90,  -8.08,   0.23,
08/18 13Z,  -0.40,  -7.04,  99.90,  -7.21,   0.23,  (max)
08/18 14Z,  -0.40,  -7.63,  99.90,  -7.79,   0.23,
08/18 15Z,  -0.40,  -9.48,  99.90,  -9.65,   0.23,
08/18 16Z,  -0.40, -12.09,  99.90, -12.26,   0.23,
08/18 17Z,  -0.40, -14.70,  99.90, -14.87,   0.23,
08/18 18Z,  -0.40, -16.56,  99.90, -16.73,   0.23,
08/18 19Z,  -0.50, -17.14,  99.90, -17.40,   0.23,  (min)
08/18 20Z,  -0.50, -16.26,  99.90, -16.53,   0.23,
08/18 21Z,  -0.50, -14.14,  99.90, -14.40,   0.23,
08/18 22Z,  -0.40, -11.30,  99.90, -11.46,   0.23,
08/18 23Z,  -0.40,  -8.43,  99.90,  -8.59,   0.23,
08/19 00Z,  -0.30,  -6.22,  99.90,  -6.29,   0.23,
08/19 01Z,  -0.30,  -5.21,  99.90,  -5.28,   0.23,  (max)
08/19 02Z,  -0.30,  -5.66,  99.90,  -5.73,   0.23,
08/19 03Z,  -0.30,  -7.47,  99.90,  -7.54,   0.23,
08/19 04Z,  -0.30, -10.22,  99.90, -10.29,   0.23,
08/19 05Z,  -0.40, -13.25,  99.90, -13.41,   0.23,
08/19 06Z,  -0.40, -15.85,  99.90, -16.02,   0.23,
08/19 07Z,  -0.50, -17.48,  99.90, -17.75,   0.23,
08/19 08Z,  -0.50, -17.82,  99.90, -18.09,   0.23,  (min)
08/19 09Z,  -0.60, -16.91,  99.90, -17.28,   0.23,
08/19 10Z,  -0.60, -15.05,  99.90, -15.42,   0.23,
08/19 11Z,  -0.50, -12.74,  99.90, -13.01,   0.23,
08/19 12Z,  -0.50, -10.57,  99.90, -10.84,   0.23,
08/19 13Z,  -0.50,  -9.05,  99.90,  -9.32,   0.23,
08/19 14Z,  -0.40,  -8.54,  99.90,  -8.70,   0.23,  (max)
08/19 15Z,  -0.40,  -9.10,  99.90,  -9.27,   0.23,
08/19 16Z,  -0.50, -10.55,  99.90, -10.82,   0.23,
08/19 17Z,  -0.50, -12.43,  99.90, -12.70,   0.23,
08/19 18Z,  -0.50, -14.17,  99.90, -14.44,   0.23,
08/19 19Z,  -0.50, -15.25,  99.90, -15.52,   0.23,
08/19 20Z,  -0.60, -15.32,  99.90, -15.69,   0.23,  (min)
08/19 21Z,  -0.60, -14.32,  99.90, -14.69,   0.23,
08/19 22Z,  -0.50, -12.48,  99.90, -12.75,   0.23,
08/19 23Z,  -0.50, -10.23,  99.90, -10.49,   0.23,
08/20 00Z,  -0.40,  -8.11,  99.90,  -8.28,   0.23,
08/20 01Z,  -0.30,  -6.65,  99.90,  -6.72,   0.23,
08/20 02Z,  -0.30,  -6.20,  99.90,  -6.27,   0.23,  (max)
08/20 03Z,  -0.30,  -6.90,  99.90,  -6.96,   0.23,
08/20 04Z,  -0.30,  -8.59,  99.90,  -8.65,   0.23,
08/20 05Z,  -0.40, -10.90,  99.90, -11.07,   0.23,
08/20 06Z,  -0.50, -13.34,  99.90, -13.60,   0.23,
08/20 07Z,  -0.50, -15.38,  99.90, -15.65,   0.23,
08/20 08Z,  -0.60, -16.64,  99.90, -17.01,   0.23,
08/20 09Z,  -0.60, -16.91,  99.90, -17.28,   0.23,  (min)
08/20 10Z,  -0.60, -16.23,  99.90, -16.60,   0.23,
08/20 11Z,  -0.60, -14.83,  99.90, -15.20,   0.23,
08/20 12Z,  -0.50, -13.08,  99.90, -13.35,   0.23,
08/20 13Z,  -0.40, -11.42,  99.90, -11.59,   0.23,
08/20 14Z,  -0.40, -10.23,  99.90, -10.39,   0.23,
08/20 15Z,  -0.40,  -9.74,  99.90,  -9.91,   0.23,  (max)
08/20 16Z,  -0.40, -10.02,  99.90, -10.19,   0.23,
08/20 17Z,  -0.50, -10.92,  99.90, -11.18,   0.23,
08/20 18Z,  -0.50, -12.12,  99.90, -12.38,   0.23,
08/20 19Z,  -0.60, -13.22,  99.90, -13.59,   0.23,
08/20 20Z,  -0.60, -13.87,  99.90, -14.24,   0.23,  (min)
08/20 21Z,  -0.60, -13.81,  99.90, -14.18,   0.23,
08/20 22Z,  -0.50, -13.01,  99.90, -13.28,   0.23,
08/20 23Z,  -0.40, -11.61,  99.90, -11.78,   0.23,
08/21 00Z,  -0.40,  -9.95,  99.90, -10.12,   0.23,
08/21 01Z,  -0.30,  -8.42,  99.90,  -8.48,   0.23,
08/21 02Z,  -0.30,  -7.39,  99.90,  -7.46,   0.23,
08/21 03Z,  -0.30,  -7.14,  99.90,  -7.21,   0.23,  (max)
08/21 04Z,  -0.40,  -7.74,  99.90,  -7.91,   0.23,
08/21 05Z,  -0.40,  -9.10,  99.90,  -9.27,   0.23,
08/21 06Z,  -0.50, -10.96,  99.90, -11.23,   0.23,
08/21 07Z,  -0.50, -12.96,  99.90, -13.23,   0.23,
08/21 08Z,  -0.60, -14.73,  99.90, -15.09,   0.23,
08/21 09Z,  -0.60, -15.93,  99.90, -16.30,   0.23,
08/21 10Z,  -0.50, -16.40,  99.90, -16.67,   0.23,  (min)
08/21 11Z,  -0.50, -16.08,  99.90, -16.35,   0.23,
08/21 12Z,  -0.40, -15.12,  99.90, -15.29,   0.23,