EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 05/18/2026 17:24:14 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,  -0.50,  -6.22,  -6.72,  99.90,   0.00,
05/17 01Z,  -0.60,  -9.84, -10.43,  99.90,   0.01,
05/17 02Z,  -0.60, -12.56, -13.16,  99.90,   0.00,
05/17 03Z,  -0.60, -13.54, -14.12,  99.90,   0.02,  (min)
05/17 04Z,  -0.50, -12.43, -12.84,  99.90,   0.09,
05/17 05Z,  -0.50,  -9.52,  -9.93,  99.90,   0.09,
05/17 06Z,  -0.60,  -5.57,  -5.93,  99.90,   0.24,
05/17 07Z,  -0.70,  -1.56,  -1.98,  99.90,   0.28,
05/17 08Z,  -0.70,   1.53,   1.02,  99.90,   0.19,
05/17 09Z,  -0.60,   2.90,   2.30,  99.90,   0.00,  (max)
05/17 10Z,  -0.60,   2.10,   1.37,  99.90,  -0.13,
05/17 11Z,  -0.50,  -0.87,  -1.69,  99.90,  -0.32,
05/17 12Z,  -0.70,  -5.53,  -6.35,  99.90,  -0.12,
05/17 13Z,  -0.70, -10.88, -11.64,  99.90,  -0.06,
05/17 14Z,  -0.70, -15.68, -16.26,  99.90,   0.12,
05/17 15Z,  -0.60, -18.77, -19.20,  99.90,   0.17,
05/17 16Z,  -0.60, -19.46, -19.85,  99.90,   0.21,  (min)
05/17 17Z,  -0.50, -17.69, -18.16,  99.90,   0.03,
05/17 18Z,  -0.80, -14.03, -14.60,  99.90,   0.23,
05/17 19Z,  -0.80,  -9.43, -10.09,  99.90,   0.14,
05/17 20Z,  -0.70,  -4.99,  -5.71,  99.90,  -0.02,
05/17 21Z,  -0.60,  -1.69,  -2.42,  99.90,  -0.13,
05/17 22Z,  -0.50,  -0.21,  -0.85,  99.90,  -0.14,  (max)
05/17 23Z,  -0.40,  -0.83,  -1.46,  99.90,  -0.23,
05/18 00Z,  -0.60,  -3.30,  -3.81,  99.90,   0.09,
05/18 01Z,  -0.60,  -6.84,  -7.34,  99.90,   0.10,
05/18 02Z,  -0.60, -10.36, -10.83,  99.90,   0.13,
05/18 03Z,  -0.50, -12.74, -13.19,  99.90,   0.05,
05/18 04Z,  -0.40, -13.23, -13.53,  99.90,   0.10,  (min)
05/18 05Z,  -0.40, -11.65, -11.83,  99.90,   0.22,
05/18 06Z,  -0.60,  -8.43,  -8.56,  99.90,   0.47,
05/18 07Z,  -0.60,  -4.41,  -4.53,  99.90,   0.48,
05/18 08Z,  -0.60,  -0.58,  -0.65,  99.90,   0.53,
05/18 09Z,  -0.60,   2.13,   1.92,  99.90,   0.39,
05/18 10Z,  -0.50,   3.01,   2.70,  99.90,   0.19,  (max)
05/18 11Z,  -0.40,   1.67,   1.23,  99.90,  -0.04,
05/18 12Z,  -0.60,  -1.78,  -2.24,  99.90,   0.14,
05/18 13Z,  -0.50,  -6.73,  -7.16,  99.90,   0.07,
05/18 14Z,  -0.50, -12.09, -12.40,  99.90,   0.19,
05/18 15Z,  -0.40, -16.60, -16.65,  99.90,   0.35,
05/18 16Z,  -0.40, -19.20, -19.18,  99.90,   0.42,
05/18 17Z,  -0.30, -19.34, -19.36,  99.90,   0.28,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 18Z,  -0.30, -17.14,  99.90, -17.18,   0.26,
05/18 19Z,  -0.30, -13.25,  99.90, -13.31,   0.24,
05/18 20Z,  -0.20,  -8.66,  99.90,  -8.64,   0.22,
05/18 21Z,  -0.20,  -4.42,  99.90,  -4.42,   0.20,
05/18 22Z,  -0.30,  -1.45,  99.90,  -1.56,   0.18,
05/18 23Z,  -0.30,  -0.35,  99.90,  -0.48,   0.16,  (max)
05/19 00Z,  -0.40,  -1.30,  99.90,  -1.56,   0.14,
05/19 01Z,  -0.40,  -3.95,  99.90,  -4.22,   0.12,
05/19 02Z,  -0.40,  -7.45,  99.90,  -7.74,   0.10,
05/19 03Z,  -0.40, -10.68,  99.90, -11.00,   0.08,
05/19 04Z,  -0.40, -12.63,  99.90, -12.97,   0.06,  (min)
05/19 05Z,  -0.30, -12.69,  99.90, -12.94,   0.04,
05/19 06Z,  -0.30, -10.82,  99.90, -11.08,   0.04,
05/19 07Z,  -0.30,  -7.54,  99.90,  -7.80,   0.04,
05/19 08Z,  -0.30,  -3.69,  99.90,  -3.94,   0.04,
05/19 09Z,  -0.30,  -0.19,  99.90,  -0.45,   0.04,
05/19 10Z,  -0.40,   2.09,  99.90,   1.73,   0.04,
05/19 11Z,  -0.40,   2.51,  99.90,   2.15,   0.04,  (max)
05/19 12Z,  -0.40,   0.79,  99.90,   0.44,   0.04,
05/19 13Z,  -0.50,  -2.87,  99.90,  -3.33,   0.04,
05/19 14Z,  -0.60,  -7.79,  99.90,  -8.34,   0.04,
05/19 15Z,  -0.60, -12.84,  99.90, -13.40,   0.04,
05/19 16Z,  -0.60, -16.86,  99.90, -17.42,   0.04,
05/19 17Z,  -0.70, -18.92,  99.90, -19.58,   0.04,  (min)
05/19 18Z,  -0.70, -18.64,  99.90, -19.30,   0.04,
05/19 19Z,  -0.70, -16.23,  99.90, -16.89,   0.04,
05/19 20Z,  -0.70, -12.38,  99.90, -13.04,   0.04,
05/19 21Z,  -0.70,  -8.02,  99.90,  -8.68,   0.04,
05/19 22Z,  -0.60,  -4.14,  99.90,  -4.69,   0.04,
05/19 23Z,  -0.50,  -1.55,  99.90,  -2.01,   0.04,
05/20 00Z,  -0.50,  -0.80,  99.90,  -1.25,   0.04,  (max)
05/20 01Z,  -0.40,  -1.95,  99.90,  -2.31,   0.04,
05/20 02Z,  -0.40,  -4.60,  99.90,  -4.95,   0.04,
05/20 03Z,  -0.40,  -7.86,  99.90,  -8.22,   0.04,
05/20 04Z,  -0.50, -10.71,  99.90, -11.17,   0.04,
05/20 05Z,  -0.50, -12.25,  99.90, -12.71,   0.04,  (min)
05/20 06Z,  -0.60, -12.03,  99.90, -12.59,   0.04,
05/20 07Z,  -0.70, -10.11,  99.90, -10.77,   0.04,
05/20 08Z,  -0.80,  -7.01,  99.90,  -7.77,   0.04,
05/20 09Z,  -0.80,  -3.51,  99.90,  -4.27,   0.04,
05/20 10Z,  -0.70,  -0.44,  99.90,  -1.10,   0.04,
05/20 11Z,  -0.70,   1.42,  99.90,   0.76,   0.04,
05/20 12Z,  -0.60,   1.51,  99.90,   0.96,   0.04,  (max)
05/20 13Z,  -0.60,  -0.36,  99.90,  -0.92,   0.04,
05/20 14Z,  -0.50,  -3.95,  99.90,  -4.41,   0.04,
05/20 15Z,  -0.50,  -8.53,  99.90,  -8.99,   0.04,
05/20 16Z,  -0.50, -13.07,  99.90, -13.53,   0.04,
05/20 17Z,  -0.50, -16.51,  99.90, -16.97,   0.04,
05/20 18Z,  -0.50, -18.10,  99.90, -18.56,   0.04,  (min)
05/20 19Z,  -0.50, -17.58,  99.90, -18.03,   0.04,
05/20 20Z,  -0.50, -15.19,  99.90, -15.64,   0.04,
05/20 21Z,  -0.50, -11.57,  99.90, -12.03,   0.04,
05/20 22Z,  -0.50,  -7.59,  99.90,  -8.04,   0.04,
05/20 23Z,  -0.40,  -4.12,  99.90,  -4.47,   0.04,
05/21 00Z,  -0.40,  -1.90,  99.90,  -2.26,   0.04,
05/21 01Z,  -0.30,  -1.39,  99.90,  -1.64,   0.04,  (max)
05/21 02Z,  -0.30,  -2.59,  99.90,  -2.84,   0.04,
05/21 03Z,  -0.30,  -5.05,  99.90,  -5.31,   0.04,
05/21 04Z,  -0.30,  -7.97,  99.90,  -8.23,   0.04,
05/21 05Z,  -0.40, -10.44,  99.90, -10.79,   0.04,
05/21 06Z,  -0.50, -11.71,  99.90, -12.16,   0.04,  (min)
05/21 07Z,  -0.60, -11.43,  99.90, -11.98,   0.04,
05/21 08Z,  -0.60,  -9.70,  99.90, -10.25,   0.04,
05/21 09Z,  -0.70,  -6.97,  99.90,  -7.62,   0.04,
05/21 10Z,  -0.70,  -3.92,  99.90,  -4.57,   0.04,
05/21 11Z,  -0.70,  -1.29,  99.90,  -1.94,   0.04,
05/21 12Z,  -0.60,   0.25,  99.90,  -0.31,   0.04,  (max)
05/21 13Z,  -0.60,   0.19,  99.90,  -0.36,   0.04,
05/21 14Z,  -0.60,  -1.59,  99.90,  -2.15,   0.04,
05/21 15Z,  -0.60,  -4.84,  99.90,  -5.40,   0.04,
05/21 16Z,  -0.60,  -8.88,  99.90,  -9.44,   0.04,
05/21 17Z,  -0.70, -12.81,  99.90, -13.46,   0.04,
05/21 18Z,  -0.80, -15.71,  99.90, -16.47,   0.04,
05/21 19Z,  -0.90, -16.97,  99.90, -17.83,   0.04,  (min)
05/21 20Z,  -0.90, -16.38,  99.90, -17.24,   0.04,
05/21 21Z,  -0.90, -14.17,  99.90, -15.03,   0.04,
05/21 22Z,  -0.80, -10.90,  99.90, -11.66,   0.04,
05/21 23Z,  -0.70,  -7.33,  99.90,  -7.99,   0.04,
05/22 00Z,  -0.60,  -4.25,  99.90,  -4.81,   0.04,
05/22 01Z,  -0.60,  -2.32,  99.90,  -2.87,   0.04,
05/22 02Z,  -0.60,  -1.90,  99.90,  -2.46,   0.04,  (max)
05/22 03Z,  -0.60,  -3.00,  99.90,  -3.55,   0.04,
05/22 04Z,  -0.60,  -5.19,  99.90,  -5.75,   0.04,
05/22 05Z,  -0.70,  -7.78,  99.90,  -8.43,   0.04,
05/22 06Z,  -0.70,  -9.98,  99.90, -10.64,   0.04,
05/22 07Z,  -0.80, -11.18,  99.90, -11.93,   0.04,  (min)
05/22 08Z,  -0.80, -11.06,  99.90, -11.82,   0.04,
05/22 09Z,  -0.70,  -9.69,  99.90, -10.35,   0.04,
05/22 10Z,  -0.70,  -7.43,  99.90,  -8.09,   0.04,
05/22 11Z,  -0.60,  -4.84,  99.90,  -5.39,   0.04,
05/22 12Z,  -0.60,  -2.56,  99.90,  -3.12,   0.04,