EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Alitak, AK : 04/17/2026 15:23:35 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 00Z,  -0.40,  -3.72,  -4.38,  99.90,  -0.26,
04/16 01Z,  -0.40,  -6.44,  -7.11,  99.90,  -0.27,
04/16 02Z,  -0.40,  -8.93,  -9.51,  99.90,  -0.18,
04/16 03Z,  -0.50, -10.54, -11.09,  99.90,  -0.05,
04/16 04Z,  -0.50, -10.85, -11.31,  99.90,   0.04,  (min)
04/16 05Z,  -0.50,  -9.81, -10.46,  99.90,  -0.15,
04/16 06Z,  -0.40,  -7.57,  -8.24,  99.90,  -0.27,
04/16 07Z,  -0.40,  -4.51,  -5.07,  99.90,  -0.16,
04/16 08Z,  -0.40,  -1.45,  -1.98,  99.90,  -0.13,
04/16 09Z,  -0.40,   0.62,   0.22,  99.90,  -0.00,
04/16 10Z,  -0.50,   1.15,   0.60,  99.90,  -0.05,  (max)
04/16 11Z,  -0.50,   0.09,  -0.52,  99.90,  -0.11,
04/16 12Z,  -0.50,  -2.31,  -2.69,  99.90,   0.12,
04/16 13Z,  -0.50,  -5.48,  -5.92,  99.90,   0.06,
04/16 14Z,  -0.50,  -8.68,  -9.04,  99.90,   0.14,
04/16 15Z,  -0.50, -11.16, -11.59,  99.90,   0.07,
04/16 16Z,  -0.50, -12.37, -12.78,  99.90,   0.09,  (min)
04/16 17Z,  -0.50, -12.08, -12.32,  99.90,   0.26,
04/16 18Z,  -0.50, -10.37, -10.90,  99.90,  -0.03,
04/16 19Z,  -0.50,  -7.48,  -8.08,  99.90,  -0.10,
04/16 20Z,  -0.50,  -4.08,  -4.48,  99.90,   0.10,
04/16 21Z,  -0.50,  -1.24,  -1.63,  99.90,   0.11,
04/16 22Z,  -0.50,   0.21,  -0.29,  99.90,   0.00,  (max)
04/16 23Z,  -0.50,   0.03,  -0.70,  99.90,  -0.23,
04/17 00Z,  -0.50,  -1.61,  -2.16,  99.90,  -0.05,
04/17 01Z,  -0.50,  -4.21,  -4.74,  99.90,  -0.03,
04/17 02Z,  -0.50,  -7.07,  -7.67,  99.90,  -0.10,
04/17 03Z,  -0.50,  -9.42,  -9.94,  99.90,  -0.02,
04/17 04Z,  -0.50, -10.63, -11.10,  99.90,   0.03,  (min)
04/17 05Z,  -0.50, -10.40, -10.75,  99.90,   0.15,
04/17 06Z,  -0.50,  -8.77,  -9.34,  99.90,  -0.07,
04/17 07Z,  -0.60,  -5.99,  -6.55,  99.90,   0.04,
04/17 08Z,  -0.50,  -2.60,  -2.94,  99.90,   0.16,
04/17 09Z,  -0.50,   0.38,  -0.02,  99.90,   0.10,
04/17 10Z,  -0.50,   1.97,   1.43,  99.90,  -0.04,  (max)
04/17 11Z,  -0.50,   1.75,   1.11,  99.90,  -0.14,
04/17 12Z,  -0.50,  -0.16,  -0.55,  99.90,   0.11,
04/17 13Z,  -0.50,  -3.31,  -3.62,  99.90,   0.19,
04/17 14Z,  -0.50,  -6.99,  -7.42,  99.90,   0.07,
04/17 15Z,  -0.60, -10.37, -10.79,  99.90,   0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 16Z,  -0.60, -12.73,  99.90, -13.18,   0.15,
04/17 17Z,  -0.60, -13.58,  99.90, -14.05,   0.13,  (min)
04/17 18Z,  -0.60, -12.76,  99.90, -13.26,   0.10,
04/17 19Z,  -0.60, -10.42,  99.90, -10.94,   0.08,
04/17 20Z,  -0.60,  -6.96,  99.90,  -7.51,   0.05,
04/17 21Z,  -0.60,  -3.27,  99.90,  -3.85,   0.03,
04/17 22Z,  -0.60,  -0.51,  99.90,  -1.11,   0.00,
04/17 23Z,  -0.60,   0.58,  99.90,  -0.04,  -0.03,  (max)
04/18 00Z,  -0.60,  -0.06,  99.90,  -0.71,  -0.05,
04/18 01Z,  -0.60,  -2.08,  99.90,  -2.76,  -0.08,
04/18 02Z,  -0.60,  -4.87,  99.90,  -5.57,  -0.10,
04/18 03Z,  -0.60,  -7.62,  99.90,  -8.35,  -0.13,
04/18 04Z,  -0.60,  -9.61,  99.90, -10.34,  -0.13,
04/18 05Z,  -0.60, -10.30,  99.90, -11.03,  -0.13,  (min)
04/18 06Z,  -0.60,  -9.51,  99.90, -10.24,  -0.13,
04/18 07Z,  -0.50,  -7.37,  99.90,  -8.00,  -0.13,
04/18 08Z,  -0.50,  -4.23,  99.90,  -4.86,  -0.13,
04/18 09Z,  -0.50,  -0.80,  99.90,  -1.43,  -0.13,
04/18 10Z,  -0.50,   1.81,  99.90,   1.18,  -0.13,
04/18 11Z,  -0.50,   2.70,  99.90,   2.07,  -0.13,  (max)
04/18 12Z,  -0.50,   1.67,  99.90,   1.04,  -0.13,
04/18 13Z,  -0.50,  -0.97,  99.90,  -1.60,  -0.13,
04/18 14Z,  -0.60,  -4.63,  99.90,  -5.35,  -0.13,
04/18 15Z,  -0.60,  -8.50,  99.90,  -9.22,  -0.13,
04/18 16Z,  -0.70, -11.78,  99.90, -12.61,  -0.13,
04/18 17Z,  -0.70, -13.83,  99.90, -14.66,  -0.13,
04/18 18Z,  -0.60, -14.21,  99.90, -14.94,  -0.13,  (min)
04/18 19Z,  -0.60, -12.87,  99.90, -13.60,  -0.13,
04/18 20Z,  -0.60, -10.03,  99.90, -10.76,  -0.13,
04/18 21Z,  -0.50,  -6.26,  99.90,  -6.89,  -0.13,
04/18 22Z,  -0.50,  -2.59,  99.90,  -3.22,  -0.13,
04/18 23Z,  -0.50,  -0.16,  99.90,  -0.79,  -0.13,
04/19 00Z,  -0.50,   0.47,  99.90,  -0.16,  -0.13,  (max)
04/19 01Z,  -0.50,  -0.58,  99.90,  -1.21,  -0.13,
04/19 02Z,  -0.50,  -2.82,  99.90,  -3.45,  -0.13,
04/19 03Z,  -0.50,  -5.53,  99.90,  -6.16,  -0.13,
04/19 04Z,  -0.50,  -7.95,  99.90,  -8.58,  -0.13,
04/19 05Z,  -0.50,  -9.46,  99.90, -10.08,  -0.13,
04/19 06Z,  -0.40,  -9.61,  99.90, -10.14,  -0.13,  (min)
04/19 07Z,  -0.40,  -8.33,  99.90,  -8.86,  -0.13,
04/19 08Z,  -0.30,  -5.84,  99.90,  -6.27,  -0.13,
04/19 09Z,  -0.30,  -2.60,  99.90,  -3.03,  -0.13,
04/19 10Z,  -0.20,   0.56,  99.90,   0.23,  -0.13,
04/19 11Z,  -0.20,   2.56,  99.90,   2.23,  -0.13,
04/19 12Z,  -0.30,   2.69,  99.90,   2.26,  -0.13,  (max)
04/19 13Z,  -0.30,   0.97,  99.90,   0.55,  -0.13,
04/19 14Z,  -0.30,  -2.13,  99.90,  -2.56,  -0.13,
04/19 15Z,  -0.30,  -5.94,  99.90,  -6.37,  -0.13,
04/19 16Z,  -0.30,  -9.70,  99.90, -10.12,  -0.13,
04/19 17Z,  -0.20, -12.67,  99.90, -13.00,  -0.13,
04/19 18Z,  -0.20, -14.29,  99.90, -14.62,  -0.13,  (min)
04/19 19Z,  -0.10, -14.22,  99.90, -14.44,  -0.13,
04/19 20Z,  -0.10, -12.47,  99.90, -12.70,  -0.13,
04/19 21Z,   0.00,  -9.38,  99.90,  -9.51,  -0.13,
04/19 22Z,   0.00,  -5.61,  99.90,  -5.74,  -0.13,
04/19 23Z,   0.00,  -2.25,  99.90,  -2.38,  -0.13,
04/20 00Z,   0.00,  -0.31,  99.90,  -0.44,  -0.13,
04/20 01Z,   0.00,  -0.12,  99.90,  -0.25,  -0.13,  (max)
04/20 02Z,   0.00,  -1.42,  99.90,  -1.54,  -0.13,
04/20 03Z,   0.00,  -3.62,  99.90,  -3.74,  -0.13,
04/20 04Z,  -0.10,  -6.03,  99.90,  -6.26,  -0.13,
04/20 05Z,  -0.10,  -7.99,  99.90,  -8.22,  -0.13,
04/20 06Z,   0.00,  -8.98,  99.90,  -9.11,  -0.13,  (min)
04/20 07Z,   0.00,  -8.67,  99.90,  -8.79,  -0.13,
04/20 08Z,   0.00,  -7.06,  99.90,  -7.19,  -0.13,
04/20 09Z,   0.00,  -4.47,  99.90,  -4.60,  -0.13,
04/20 10Z,   0.10,  -1.43,  99.90,  -1.46,  -0.13,
04/20 11Z,   0.10,   1.22,  99.90,   1.20,  -0.13,
04/20 12Z,   0.00,   2.54,  99.90,   2.41,  -0.13,  (max)
04/20 13Z,   0.00,   2.02,  99.90,   1.89,  -0.13,
04/20 14Z,   0.00,  -0.11,  99.90,  -0.24,  -0.13,
04/20 15Z,   0.00,  -3.33,  99.90,  -3.46,  -0.13,
04/20 16Z,   0.00,  -6.97,  99.90,  -7.10,  -0.13,
04/20 17Z,   0.00, -10.38,  99.90, -10.50,  -0.13,
04/20 18Z,   0.00, -12.92,  99.90, -13.05,  -0.13,
04/20 19Z,   0.00, -14.10,  99.90, -14.23,  -0.13,  (min)
04/20 20Z,   0.00, -13.67,  99.90, -13.80,  -0.13,
04/20 21Z,   0.00, -11.75,  99.90, -11.88,  -0.13,
04/20 22Z,   0.00,  -8.70,  99.90,  -8.83,  -0.13,
04/20 23Z,   0.00,  -5.23,  99.90,  -5.36,  -0.13,
04/21 00Z,   0.00,  -2.36,  99.90,  -2.49,  -0.13,
04/21 01Z,   0.00,  -0.92,  99.90,  -1.05,  -0.13,  (max)
04/21 02Z,  -0.10,  -1.04,  99.90,  -1.26,  -0.13,
04/21 03Z,  -0.10,  -2.33,  99.90,  -2.56,  -0.13,
04/21 04Z,  -0.10,  -4.27,  99.90,  -4.50,  -0.13,
04/21 05Z,  -0.10,  -6.26,  99.90,  -6.49,  -0.13,
04/21 06Z,  -0.10,  -7.74,  99.90,  -7.96,  -0.13,
04/21 07Z,  99.90,  -8.27,  99.90,  99.90,  -0.13,
04/21 08Z,  99.90,  -7.64,  99.90,  99.90,  -0.13,
04/21 09Z,  99.90,  -5.95,  99.90,  99.90,  -0.13,
04/21 10Z,  99.90,  -3.56,  99.90,  99.90,  -0.13,
04/21 11Z,  99.90,  -0.94,  99.90,  99.90,  -0.13,
04/21 12Z,  99.90,   1.12,  99.90,  99.90,  -0.13,