EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Skagway, AK : 04/18/2026 16:23:01 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 00Z,   1.60,  -6.38,  -7.56,  99.90,  -2.78,
04/17 01Z,   1.70, -10.69, -11.86,  99.90,  -2.87,
04/17 02Z,   1.80, -14.47, -15.64,  99.90,  -2.97,
04/17 03Z,   1.80, -16.49, -17.96,  99.90,  -3.27,  (min)
04/17 04Z,   1.80, -15.99, -17.16,  99.90,  -2.97,
04/17 05Z,   1.80, -13.15, -14.30,  99.90,  -2.95,
04/17 06Z,   1.60,  -8.83, -10.00,  99.90,  -2.77,
04/17 07Z,   1.70,  -4.12,  -5.17,  99.90,  -2.75,
04/17 08Z,   1.70,  -0.20,  -1.27,  99.90,  -2.77,
04/17 09Z,   1.80,   1.95,   0.95,  99.90,  -2.80,  (max)
04/17 10Z,   1.80,   1.76,   0.71,  99.90,  -2.85,
04/17 11Z,   1.70,  -0.70,  -1.66,  99.90,  -2.66,
04/17 12Z,   1.60,  -4.91,  -5.73,  99.90,  -2.42,
04/17 13Z,   1.70, -10.11, -11.13,  99.90,  -2.72,
04/17 14Z,   1.70, -15.20, -16.20,  99.90,  -2.70,
04/17 15Z,   1.70, -18.78, -19.83,  99.90,  -2.75,
04/17 16Z,   1.60, -19.73, -20.69,  99.90,  -2.56,  (min)
04/17 17Z,   1.60, -17.83, -18.73,  99.90,  -2.50,
04/17 18Z,   1.80, -13.77, -14.88,  99.90,  -2.91,
04/17 19Z,   1.80,  -8.74,  -9.85,  99.90,  -2.91,
04/17 20Z,   1.80,  -3.97,  -5.04,  99.90,  -2.87,
04/17 21Z,   1.80,  -0.60,  -1.82,  99.90,  -3.02,
04/17 22Z,   1.80,   0.63,  -0.73,  99.90,  -3.16,  (max)
04/17 23Z,   1.70,  -0.41,  -1.74,  99.90,  -3.03,
04/18 00Z,   2.00,  -3.31,  -4.51,  99.90,  -3.20,
04/18 01Z,   1.90,  -7.40,  -8.39,  99.90,  -2.89,
04/18 02Z,   1.90, -11.76, -12.62,  99.90,  -2.76,
04/18 03Z,   1.80, -15.16, -16.22,  99.90,  -2.86,
04/18 04Z,   1.70, -16.40, -17.44,  99.90,  -2.74,  (min)
04/18 05Z,   1.60, -14.96, -15.64,  99.90,  -2.28,
04/18 06Z,   1.90, -11.31, -12.01,  99.90,  -2.60,
04/18 07Z,   1.80,  -6.53,  -7.35,  99.90,  -2.62,
04/18 08Z,   1.70,  -1.85,  -2.60,  99.90,  -2.45,
04/18 09Z,   1.60,   1.58,   0.93,  99.90,  -2.25,
04/18 10Z,   1.50,   2.89,   2.07,  99.90,  -2.32,  (max)
04/18 11Z,   1.50,   1.71,   0.86,  99.90,  -2.35,
04/18 12Z,   1.40,  -1.69,  -2.54,  99.90,  -2.25,
04/18 13Z,   1.40,  -6.65,  -7.66,  99.90,  -2.41,
04/18 14Z,   1.50, -12.25, -13.26,  99.90,  -2.51,
04/18 15Z,   1.50, -17.24, -18.20,  99.90,  -2.46,
04/18 16Z,   1.60, -20.21, -21.10,  99.90,  -2.49,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 17Z,   1.80, -20.24,  99.90, -20.95,  -2.51,
04/18 18Z,   1.90, -17.43,  99.90, -18.07,  -2.53,
04/18 19Z,   2.00, -12.77,  99.90, -13.33,  -2.56,
04/18 20Z,   2.00,  -7.55,  99.90,  -8.13,  -2.58,
04/18 21Z,   2.10,  -3.00,  99.90,  -3.50,  -2.60,
04/18 22Z,   2.00,  -0.13,  99.90,  -0.75,  -2.62,
04/18 23Z,   1.80,   0.49,  99.90,  -0.35,  -2.64,  (max)
04/19 00Z,   1.70,  -1.07,  99.90,  -2.04,  -2.67,
04/19 01Z,   1.60,  -4.31,  99.90,  -5.39,  -2.69,
04/19 02Z,   1.50,  -8.46,  99.90,  -9.67,  -2.71,
04/19 03Z,   1.50, -12.53,  99.90, -13.76,  -2.73,
04/19 04Z,   1.60, -15.28,  99.90, -16.44,  -2.75,
04/19 05Z,   1.70, -15.65,  99.90, -16.70,  -2.75,  (min)
04/19 06Z,   1.90, -13.40,  99.90, -14.26,  -2.75,
04/19 07Z,   2.00,  -9.27,  99.90, -10.03,  -2.75,
04/19 08Z,   2.10,  -4.46,  99.90,  -5.12,  -2.75,
04/19 09Z,   2.20,  -0.18,  99.90,  -0.74,  -2.75,
04/19 10Z,   2.20,   2.53,  99.90,   1.98,  -2.75,
04/19 11Z,   2.10,   2.96,  99.90,   2.30,  -2.75,  (max)
04/19 12Z,   1.90,   0.93,  99.90,   0.08,  -2.75,
04/19 13Z,   1.70,  -3.12,  99.90,  -4.17,  -2.75,
04/19 14Z,   1.70,  -8.42,  99.90,  -9.48,  -2.75,
04/19 15Z,   1.80, -13.98,  99.90, -14.93,  -2.75,
04/19 16Z,   1.90, -18.49,  99.90, -19.34,  -2.75,
04/19 17Z,   2.00, -20.66,  99.90, -21.41,  -2.75,  (min)
04/19 18Z,   2.00, -19.83,  99.90, -20.59,  -2.75,
04/19 19Z,   2.10, -16.44,  99.90, -17.09,  -2.75,
04/19 20Z,   2.10, -11.60,  99.90, -12.26,  -2.75,
04/19 21Z,   2.10,  -6.61,  99.90,  -7.26,  -2.75,
04/19 22Z,   2.10,  -2.56,  99.90,  -3.22,  -2.75,
04/19 23Z,   1.90,  -0.31,  99.90,  -1.16,  -2.75,  (max)
04/20 00Z,   1.80,  -0.23,  99.90,  -1.18,  -2.75,
04/20 01Z,   1.70,  -2.12,  99.90,  -3.17,  -2.75,
04/20 02Z,   1.80,  -5.40,  99.90,  -6.35,  -2.75,
04/20 03Z,   1.80,  -9.29,  99.90, -10.24,  -2.75,
04/20 04Z,   1.80, -12.81,  99.90, -13.76,  -2.75,
04/20 05Z,   1.90, -14.79,  99.90, -15.65,  -2.75,  (min)
04/20 06Z,   1.90, -14.39,  99.90, -15.24,  -2.75,
04/20 07Z,   2.00, -11.65,  99.90, -12.41,  -2.75,
04/20 08Z,   2.10,  -7.47,  99.90,  -8.12,  -2.75,
04/20 09Z,   2.20,  -3.02,  99.90,  -3.57,  -2.75,
04/20 10Z,   2.20,   0.62,  99.90,   0.06,  -2.75,
04/20 11Z,   2.20,   2.55,  99.90,   2.00,  -2.75,  (max)
04/20 12Z,   2.20,   2.24,  99.90,   1.68,  -2.75,
04/20 13Z,   2.20,  -0.33,  99.90,  -0.88,  -2.75,
04/20 14Z,   2.20,  -4.63,  99.90,  -5.18,  -2.75,
04/20 15Z,   2.20,  -9.84,  99.90, -10.40,  -2.75,
04/20 16Z,   2.20, -14.97,  99.90, -15.52,  -2.75,
04/20 17Z,   2.20, -18.77,  99.90, -19.33,  -2.75,
04/20 18Z,   2.20, -20.15,  99.90, -20.71,  -2.75,  (min)
04/20 19Z,   2.20, -18.75,  99.90, -19.30,  -2.75,
04/20 20Z,   2.20, -15.18,  99.90, -15.74,  -2.75,
04/20 21Z,   2.00, -10.60,  99.90, -11.36,  -2.75,
04/20 22Z,   1.80,  -6.15,  99.90,  -7.10,  -2.75,
04/20 23Z,   1.70,  -2.75,  99.90,  -3.80,  -2.75,
04/21 00Z,   1.60,  -1.06,  99.90,  -2.22,  -2.75,  (max)
04/21 01Z,   1.60,  -1.34,  99.90,  -2.49,  -2.75,
04/21 02Z,   1.60,  -3.28,  99.90,  -4.43,  -2.75,
04/21 03Z,   1.70,  -6.30,  99.90,  -7.35,  -2.75,
04/21 04Z,   1.80,  -9.68,  99.90, -10.63,  -2.75,
04/21 05Z,   1.90, -12.52,  99.90, -13.38,  -2.75,
04/21 06Z,   2.00, -13.81,  99.90, -14.56,  -2.75,  (min)
04/21 07Z,   2.20, -12.93,  99.90, -13.48,  -2.75,
04/21 08Z,   2.30, -10.11,  99.90, -10.57,  -2.75,
04/21 09Z,   2.10,  -6.27,  99.90,  -6.92,  -2.75,
04/21 10Z,   1.90,  -2.44,  99.90,  -3.30,  -2.75,
04/21 11Z,   1.60,   0.48,  99.90,  -0.68,  -2.75,
04/21 12Z,   1.40,   1.76,  99.90,   0.40,  -2.75,  (max)
04/21 13Z,   1.40,   0.98,  99.90,  -0.37,  -2.75,
04/21 14Z,   1.40,  -1.75,  99.90,  -3.10,  -2.75,
04/21 15Z,   1.50,  -5.87,  99.90,  -7.12,  -2.75,
04/21 16Z,   1.60, -10.62,  99.90, -11.77,  -2.75,
04/21 17Z,   1.80, -15.07,  99.90, -16.03,  -2.75,
04/21 18Z,   1.90, -18.15,  99.90, -19.01,  -2.75,
04/21 19Z,   1.90, -18.96,  99.90, -19.81,  -2.75,  (min)
04/21 20Z,   1.90, -17.36,  99.90, -18.22,  -2.75,
04/21 21Z,   1.90, -14.04,  99.90, -14.90,  -2.75,
04/21 22Z,   1.80, -10.04,  99.90, -10.99,  -2.75,
04/21 23Z,   1.70,  -6.26,  99.90,  -7.31,  -2.75,
04/22 00Z,   1.60,  -3.46,  99.90,  -4.61,  -2.75,
04/22 01Z,   1.60,  -2.17,  99.90,  -3.32,  -2.75,  (max)
04/22 02Z,   1.70,  -2.52,  99.90,  -3.58,  -2.75,
04/22 03Z,   1.70,  -4.22,  99.90,  -5.28,  -2.75,
04/22 04Z,   1.80,  -6.75,  99.90,  -7.70,  -2.75,
04/22 05Z,   1.80,  -9.51,  99.90, -10.47,  -2.75,
04/22 06Z,   1.80, -11.75,  99.90, -12.70,  -2.75,
04/22 07Z,  99.90, -12.60,  99.90,  99.90,  -2.75,
04/22 08Z,  99.90, -11.63,  99.90,  99.90,  -2.75,
04/22 09Z,  99.90,  -9.13,  99.90,  99.90,  -2.75,
04/22 10Z,  99.90,  -5.90,  99.90,  99.90,  -2.75,
04/22 11Z,  99.90,  -2.78,  99.90,  99.90,  -2.75,
04/22 12Z,  99.90,  -0.48,  99.90,  99.90,  -2.75,