EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 05/17/2026 02:23:28 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 06Z,  -0.30,  -1.28,  -1.49,  99.90,   0.09,
05/15 07Z,  -0.30,   0.91,   0.76,  99.90,   0.15,
05/15 08Z,  -0.20,   1.35,   1.26,  99.90,   0.11,  (max)
05/15 09Z,  -0.20,  -0.20,  -0.27,  99.90,   0.13,
05/15 10Z,  -0.10,  -3.50,  -3.59,  99.90,   0.01,
05/15 11Z,  -0.10,  -7.90,  -8.08,  99.90,  -0.08,
05/15 12Z,  -0.20, -12.40, -12.59,  99.90,   0.01,
05/15 13Z,  -0.20, -15.91, -16.04,  99.90,   0.07,
05/15 14Z,  -0.20, -17.59, -17.60,  99.90,   0.19,  (min)
05/15 15Z,  -0.20, -17.05, -16.93,  99.90,   0.32,
05/15 16Z,  -0.20, -14.53, -14.42,  99.90,   0.31,
05/15 17Z,  -0.30, -10.71, -10.73,  99.90,   0.28,
05/15 18Z,  -0.30,  -6.58,  -6.72,  99.90,   0.16,
05/15 19Z,  -0.40,  -3.12,  -3.41,  99.90,   0.11,
05/15 20Z,  -0.40,  -1.12,  -1.50,  99.90,   0.02,
05/15 21Z,  -0.30,  -0.99,  -1.32,  99.90,  -0.03,  (max)
05/15 22Z,  -0.30,  -2.71,  -2.89,  99.90,   0.12,
05/15 23Z,  -0.30,  -5.76,  -5.87,  99.90,   0.19,
05/16 00Z,  -0.30,  -9.27,  -9.46,  99.90,   0.11,
05/16 01Z,  -0.30, -12.17, -12.40,  99.90,   0.07,
05/16 02Z,  -0.20, -13.57, -13.80,  99.90,  -0.03,  (min)
05/16 03Z,  -0.20, -13.02, -13.18,  99.90,   0.04,
05/16 04Z,  -0.20, -10.61, -10.73,  99.90,   0.08,
05/16 05Z,  -0.30,  -6.96,  -7.05,  99.90,   0.21,
05/16 06Z,  -0.40,  -2.99,  -3.13,  99.90,   0.26,
05/16 07Z,  -0.40,   0.33,   0.19,  99.90,   0.26,
05/16 08Z,  -0.40,   2.17,   1.96,  99.90,   0.19,  (max)
05/16 09Z,  -0.40,   2.00,   1.70,  99.90,   0.10,
05/16 10Z,  -0.30,  -0.31,  -0.68,  99.90,  -0.07,
05/16 11Z,  -0.30,  -4.38,  -4.84,  99.90,  -0.16,
05/16 12Z,  -0.40,  -9.40,  -9.82,  99.90,  -0.02,
05/16 13Z,  -0.40, -14.20, -14.53,  99.90,   0.07,
05/16 14Z,  -0.40, -17.63, -17.83,  99.90,   0.20,
05/16 15Z,  -0.40, -18.88, -18.99,  99.90,   0.29,  (min)
05/16 16Z,  -0.40, -17.70, -17.83,  99.90,   0.27,
05/16 17Z,  -0.50, -14.51, -14.83,  99.90,   0.18,
05/16 18Z,  -0.50, -10.18, -10.64,  99.90,   0.04,
05/16 19Z,  -0.50,  -5.76,  -6.32,  99.90,  -0.06,
05/16 20Z,  -0.50,  -2.28,  -2.90,  99.90,  -0.12,
05/16 21Z,  -0.50,  -0.48,  -1.08,  99.90,  -0.10,  (max)
05/16 22Z,  -0.50,  -0.71,  -1.24,  99.90,  -0.03,
05/16 23Z,  -0.50,  -2.84,  -3.33,  99.90,   0.01,
05/17 00Z,  -0.50,  -6.22,  -6.72,  99.90,   0.00,
05/17 01Z,  -0.50,  -9.84, -10.43,  99.90,  -0.09,
05/17 02Z,  -0.50, -12.56, -13.16,  99.90,  -0.10,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 03Z,  -0.50, -13.54,  99.90, -14.13,  -0.09,  (min)
05/17 04Z,  -0.50, -12.43,  99.90, -13.01,  -0.08,
05/17 05Z,  -0.50,  -9.52,  99.90, -10.09,  -0.07,
05/17 06Z,  -0.50,  -5.57,  99.90,  -6.12,  -0.06,
05/17 07Z,  -0.60,  -1.56,  99.90,  -2.21,  -0.05,
05/17 08Z,  -0.60,   1.53,  99.90,   0.89,  -0.04,
05/17 09Z,  -0.60,   2.90,  99.90,   2.27,  -0.03,  (max)
05/17 10Z,  -0.60,   2.10,  99.90,   1.48,  -0.02,
05/17 11Z,  -0.60,  -0.87,  99.90,  -1.48,  -0.01,
05/17 12Z,  -0.60,  -5.53,  99.90,  -6.13,  -0.00,
05/17 13Z,  -0.50, -10.88,  99.90, -11.37,   0.01,
05/17 14Z,  -0.50, -15.68,  99.90, -16.16,   0.02,
05/17 15Z,  -0.50, -18.77,  99.90, -19.26,   0.02,
05/17 16Z,  -0.60, -19.46,  99.90, -20.05,   0.02,  (min)
05/17 17Z,  -0.60, -17.69,  99.90, -18.28,   0.02,
05/17 18Z,  -0.70, -14.03,  99.90, -14.71,   0.02,
05/17 19Z,  -0.70,  -9.43,  99.90, -10.11,   0.02,
05/17 20Z,  -0.70,  -4.99,  99.90,  -5.67,   0.02,
05/17 21Z,  -0.70,  -1.69,  99.90,  -2.37,   0.02,
05/17 22Z,  -0.70,  -0.21,  99.90,  -0.89,   0.02,  (max)
05/17 23Z,  -0.60,  -0.83,  99.90,  -1.41,   0.02,
05/18 00Z,  -0.60,  -3.30,  99.90,  -3.88,   0.02,
05/18 01Z,  -0.50,  -6.84,  99.90,  -7.32,   0.02,
05/18 02Z,  -0.40, -10.36,  99.90, -10.74,   0.02,
05/18 03Z,  -0.40, -12.74,  99.90, -13.12,   0.02,
05/18 04Z,  -0.50, -13.23,  99.90, -13.71,   0.02,  (min)
05/18 05Z,  -0.50, -11.65,  99.90, -12.13,   0.02,
05/18 06Z,  -0.50,  -8.43,  99.90,  -8.92,   0.02,
05/18 07Z,  -0.50,  -4.41,  99.90,  -4.89,   0.02,
05/18 08Z,  -0.60,  -0.58,  99.90,  -1.16,   0.02,
05/18 09Z,  -0.50,   2.13,  99.90,   1.65,   0.02,
05/18 10Z,  -0.50,   3.01,  99.90,   2.53,   0.02,  (max)
05/18 11Z,  -0.50,   1.67,  99.90,   1.19,   0.02,
05/18 12Z,  -0.40,  -1.78,  99.90,  -2.16,   0.02,
05/18 13Z,  -0.40,  -6.73,  99.90,  -7.11,   0.02,
05/18 14Z,  -0.40, -12.09,  99.90, -12.47,   0.02,
05/18 15Z,  -0.40, -16.60,  99.90, -16.98,   0.02,
05/18 16Z,  -0.40, -19.20,  99.90, -19.58,   0.02,
05/18 17Z,  -0.50, -19.34,  99.90, -19.82,   0.02,  (min)
05/18 18Z,  -0.50, -17.14,  99.90, -17.62,   0.02,
05/18 19Z,  -0.60, -13.25,  99.90, -13.84,   0.02,
05/18 20Z,  -0.60,  -8.66,  99.90,  -9.25,   0.02,
05/18 21Z,  -0.50,  -4.42,  99.90,  -4.90,   0.02,
05/18 22Z,  -0.50,  -1.45,  99.90,  -1.93,   0.02,
05/18 23Z,  -0.40,  -0.35,  99.90,  -0.73,   0.02,  (max)
05/19 00Z,  -0.30,  -1.30,  99.90,  -1.58,   0.02,
05/19 01Z,  -0.20,  -3.95,  99.90,  -4.13,   0.02,
05/19 02Z,  -0.20,  -7.45,  99.90,  -7.63,   0.02,
05/19 03Z,  -0.20, -10.68,  99.90, -10.87,   0.02,
05/19 04Z,  -0.20, -12.63,  99.90, -12.82,   0.02,
05/19 05Z,  -0.30, -12.69,  99.90, -12.97,   0.02,  (min)
05/19 06Z,  -0.40, -10.82,  99.90, -11.20,   0.02,
05/19 07Z,  -0.50,  -7.54,  99.90,  -8.02,   0.02,
05/19 08Z,  -0.60,  -3.69,  99.90,  -4.27,   0.02,
05/19 09Z,  -0.60,  -0.19,  99.90,  -0.77,   0.02,
05/19 10Z,  -0.60,   2.09,  99.90,   1.51,   0.02,
05/19 11Z,  -0.60,   2.51,  99.90,   1.93,   0.02,  (max)
05/19 12Z,  -0.50,   0.79,  99.90,   0.31,   0.02,
05/19 13Z,  -0.50,  -2.87,  99.90,  -3.36,   0.02,
05/19 14Z,  -0.50,  -7.79,  99.90,  -8.27,   0.02,
05/19 15Z,  -0.60, -12.84,  99.90, -13.42,   0.02,
05/19 16Z,  -0.60, -16.86,  99.90, -17.44,   0.02,
05/19 17Z,  -0.70, -18.92,  99.90, -19.60,   0.02,  (min)
05/19 18Z,  -0.70, -18.64,  99.90, -19.32,   0.02,
05/19 19Z,  -0.80, -16.23,  99.90, -17.01,   0.02,
05/19 20Z,  -0.80, -12.38,  99.90, -13.16,   0.02,
05/19 21Z,  -0.70,  -8.02,  99.90,  -8.71,   0.02,
05/19 22Z,  -0.70,  -4.14,  99.90,  -4.82,   0.02,
05/19 23Z,  -0.60,  -1.55,  99.90,  -2.13,   0.02,
05/20 00Z,  -0.50,  -0.80,  99.90,  -1.28,   0.02,  (max)
05/20 01Z,  -0.50,  -1.95,  99.90,  -2.44,   0.02,
05/20 02Z,  -0.50,  -4.60,  99.90,  -5.08,   0.02,
05/20 03Z,  -0.50,  -7.86,  99.90,  -8.35,   0.02,
05/20 04Z,  -0.50, -10.71,  99.90, -11.19,   0.02,
05/20 05Z,  -0.60, -12.25,  99.90, -12.83,   0.02,  (min)
05/20 06Z,  -0.60, -12.03,  99.90, -12.61,   0.02,
05/20 07Z,  -0.70, -10.11,  99.90, -10.79,   0.02,
05/20 08Z,  -0.70,  -7.01,  99.90,  -7.70,   0.02,
05/20 09Z,  -0.70,  -3.51,  99.90,  -4.19,   0.02,
05/20 10Z,  -0.60,  -0.44,  99.90,  -1.03,   0.02,
05/20 11Z,  -0.60,   1.42,  99.90,   0.83,   0.02,
05/20 12Z,  -0.50,   1.51,  99.90,   1.03,   0.02,  (max)
05/20 13Z,  -0.40,  -0.36,  99.90,  -0.74,   0.02,
05/20 14Z,  -0.40,  -3.95,  99.90,  -4.33,   0.02,
05/20 15Z,  -0.40,  -8.53,  99.90,  -8.91,   0.02,
05/20 16Z,  -0.40, -13.07,  99.90, -13.45,   0.02,
05/20 17Z,  -0.50, -16.51,  99.90, -16.99,   0.02,
05/20 18Z,  -0.50, -18.10,  99.90, -18.59,   0.02,