EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
#Nikiski, AK : 04/20/2026 15:22:04 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 00Z,  -0.20, -11.11, -11.69,  99.90,  -0.38,
04/19 01Z,  -0.10,  -6.29,  -7.03,  99.90,  -0.64,
04/19 02Z,  -0.10,  -3.84,  -4.33,  99.90,  -0.39,  (max)
04/19 03Z,   0.00,  -4.16,  -4.53,  99.90,  -0.37,
04/19 04Z,   0.00,  -7.09,  -7.68,  99.90,  -0.59,
04/19 05Z,   0.00, -11.73, -12.55,  99.90,  -0.82,
04/19 06Z,   0.00, -16.75, -17.19,  99.90,  -0.44,
04/19 07Z,   0.00, -20.98, -21.29,  99.90,  -0.31,
04/19 08Z,   0.00, -23.60, -24.27,  99.90,  -0.67,
04/19 09Z,   0.10, -23.47, -24.30,  99.90,  -0.93,  (min)
04/19 10Z,   0.20, -19.73, -19.14,  99.90,   0.39,
04/19 11Z,   0.20, -13.46, -13.08,  99.90,   0.18,
04/19 12Z,   0.10,  -7.32,  -7.92,  99.90,  -0.70,
04/19 13Z,   0.10,  -3.16,  -3.80,  99.90,  -0.74,
04/19 14Z,   0.20,  -1.57,  -1.91,  99.90,  -0.54,  (max)
04/19 15Z,   0.20,  -2.70,  -2.98,  99.90,  -0.48,
04/19 16Z,   0.20,  -6.40,  -7.02,  99.90,  -0.82,
04/19 17Z,   0.10, -11.97, -12.49,  99.90,  -0.62,
04/19 18Z,   0.20, -18.22, -17.59,  99.90,   0.43,
04/19 19Z,   0.20, -23.92, -22.72,  99.90,   1.00,
04/19 20Z,   0.20, -28.21, -27.19,  99.90,   0.82,
04/19 21Z,   0.20, -30.12, -29.93,  99.90,  -0.01,  (min)
04/19 22Z,   0.20, -28.39, -28.87,  99.90,  -0.68,
04/19 23Z,   0.30, -23.03, -22.54,  99.90,   0.19,
04/20 00Z,   0.30, -16.16, -15.84,  99.90,   0.02,
04/20 01Z,   0.30, -10.13, -10.47,  99.90,  -0.64,
04/20 02Z,   0.30,  -6.01,  -6.29,  99.90,  -0.58,
04/20 03Z,   0.40,  -4.23,  -4.36,  99.90,  -0.53,  (max)
04/20 04Z,   0.60,  -5.07,  -5.23,  99.90,  -0.76,
04/20 05Z,   0.60,  -8.25,  -8.64,  99.90,  -0.99,
04/20 06Z,   0.60, -12.82, -13.36,  99.90,  -1.14,
04/20 07Z,   0.60, -17.47, -17.55,  99.90,  -0.68,
04/20 08Z,   0.60, -21.09, -21.17,  99.90,  -0.68,
04/20 09Z,   0.60, -22.89, -23.32,  99.90,  -1.03,  (min)
04/20 10Z,   0.60, -21.84, -22.02,  99.90,  -0.78,
04/20 11Z,   0.70, -17.44, -16.57,  99.90,   0.17,
04/20 12Z,   0.80, -11.28, -11.21,  99.90,  -0.73,
04/20 13Z,   0.80,  -5.93,  -6.66,  99.90,  -1.53,
04/20 14Z,   0.80,  -2.82,  -3.34,  99.90,  -1.32,
04/20 15Z,   0.80,  -2.18,  -2.41,  99.90,  -1.03,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 16Z,   0.80,  -4.01,  99.90,  -4.18,  -0.97,
04/20 17Z,   0.80,  -8.09,  99.90,  -8.21,  -0.91,
04/20 18Z,   0.80, -13.69,  99.90, -13.74,  -0.85,
04/20 19Z,   0.80, -19.62,  99.90, -19.61,  -0.79,
04/20 20Z,   0.80, -24.76,  99.90, -24.69,  -0.73,
04/20 21Z,   0.80, -28.33,  99.90, -28.20,  -0.67,
04/20 22Z,   0.80, -29.44,  99.90, -29.25,  -0.61,  (min)
04/20 23Z,   0.80, -27.03,  99.90, -26.78,  -0.55,
04/21 00Z,   0.70, -21.53,  99.90, -21.32,  -0.49,
04/21 01Z,   0.70, -15.18,  99.90, -14.91,  -0.43,
04/21 02Z,   0.70,  -9.95,  99.90,  -9.62,  -0.37,
04/21 03Z,   0.70,  -6.53,  99.90,  -6.14,  -0.31,
04/21 04Z,   0.70,  -5.21,  99.90,  -4.82,  -0.31,  (max)
04/21 05Z,   0.60,  -6.24,  99.90,  -5.95,  -0.31,
04/21 06Z,   0.50,  -9.34,  99.90,  -9.15,  -0.31,
04/21 07Z,   0.50, -13.56,  99.90, -13.37,  -0.31,
04/21 08Z,   0.40, -17.60,  99.90, -17.51,  -0.31,
04/21 09Z,   0.30, -20.51,  99.90, -20.52,  -0.31,
04/21 10Z,   0.30, -21.63,  99.90, -21.64,  -0.31,  (min)
04/21 11Z,   0.20, -20.04,  99.90, -20.15,  -0.31,
04/21 12Z,   0.20, -15.61,  99.90, -15.72,  -0.31,
04/21 13Z,   0.20, -10.11,  99.90, -10.22,  -0.31,
04/21 14Z,   0.20,  -5.83,  99.90,  -5.94,  -0.31,
04/21 15Z,   0.20,  -3.66,  99.90,  -3.77,  -0.31,
04/21 16Z,   0.20,  -3.61,  99.90,  -3.72,  -0.31,  (max)
04/21 17Z,   0.20,  -5.66,  99.90,  -5.77,  -0.31,
04/21 18Z,   0.10,  -9.63,  99.90,  -9.84,  -0.31,
04/21 19Z,   0.10, -14.82,  99.90, -15.03,  -0.31,
04/21 20Z,   0.00, -20.10,  99.90, -20.41,  -0.31,
04/21 21Z,   0.00, -24.50,  99.90, -24.81,  -0.31,
04/21 22Z,   0.00, -27.40,  99.90, -27.71,  -0.31,
04/21 23Z,   0.00, -28.00,  99.90, -28.31,  -0.31,  (min)
04/22 00Z,   0.00, -25.42,  99.90, -25.74,  -0.31,
04/22 01Z,   0.00, -20.36,  99.90, -20.67,  -0.31,
04/22 02Z,   0.00, -14.91,  99.90, -15.22,  -0.31,
04/22 03Z,   0.00, -10.54,  99.90, -10.85,  -0.31,
04/22 04Z,   0.00,  -7.62,  99.90,  -7.93,  -0.31,
04/22 05Z,   0.00,  -6.46,  99.90,  -6.77,  -0.31,  (max)
04/22 06Z,  -0.10,  -7.38,  99.90,  -7.79,  -0.31,
04/22 07Z,  -0.10, -10.12,  99.90, -10.53,  -0.31,
04/22 08Z,  -0.10, -13.75,  99.90, -14.16,  -0.31,
04/22 09Z,  -0.10, -17.09,  99.90, -17.50,  -0.31,
04/22 10Z,  -0.10, -19.41,  99.90, -19.82,  -0.31,
04/22 11Z,  -0.10, -20.17,  99.90, -20.58,  -0.31,  (min)
04/22 12Z,  -0.10, -18.56,  99.90, -18.97,  -0.31,
04/22 13Z,  -0.10, -14.64,  99.90, -15.05,  -0.31,
04/22 14Z,  -0.10, -10.16,  99.90, -10.57,  -0.31,
04/22 15Z,  -0.20,  -6.92,  99.90,  -7.43,  -0.31,
04/22 16Z,  -0.20,  -5.37,  99.90,  -5.88,  -0.31,  (max)
04/22 17Z,  -0.30,  -5.44,  99.90,  -6.05,  -0.31,
04/22 18Z,  -0.30,  -7.25,  99.90,  -7.86,  -0.31,
04/22 19Z,  -0.30, -10.71,  99.90, -11.32,  -0.31,
04/22 20Z,  -0.40, -15.17,  99.90, -15.88,  -0.31,
04/22 21Z,  -0.40, -19.63,  99.90, -20.34,  -0.31,
04/22 22Z,  -0.40, -23.29,  99.90, -24.01,  -0.31,
04/22 23Z,  -0.40, -25.77,  99.90, -26.48,  -0.31,
04/23 00Z,  -0.40, -26.28,  99.90, -26.99,  -0.31,  (min)
04/23 01Z,  -0.40, -24.04,  99.90, -24.75,  -0.31,
04/23 02Z,  -0.40, -19.79,  99.90, -20.50,  -0.31,
04/23 03Z,  -0.40, -15.33,  99.90, -16.04,  -0.31,
04/23 04Z,  -0.40, -11.63,  99.90, -12.34,  -0.31,
04/23 05Z,  -0.50,  -8.91,  99.90,  -9.72,  -0.31,
04/23 06Z,  -0.50,  -7.62,  99.90,  -8.43,  -0.31,  (max)
04/23 07Z,  -0.50,  -8.17,  99.90,  -8.98,  -0.31,
04/23 08Z,  -0.60, -10.38,  99.90, -11.29,  -0.31,
04/23 09Z,  -0.60, -13.34,  99.90, -14.25,  -0.31,
04/23 10Z,  -0.50, -16.07,  99.90, -16.88,  -0.31,
04/23 11Z,  -0.50, -18.08,  99.90, -18.90,  -0.31,
04/23 12Z,  -0.50, -18.93,  99.90, -19.75,  -0.31,  (min)
04/23 13Z,  -0.50, -17.80,  99.90, -18.61,  -0.31,
04/23 14Z,  -0.50, -14.75,  99.90, -15.56,  -0.31,
04/23 15Z,  -0.50, -11.35,  99.90, -12.16,  -0.31,
04/23 16Z,  -0.50,  -8.88,  99.90,  -9.69,  -0.31,
04/23 17Z,  -0.60,  -7.50,  99.90,  -8.41,  -0.31,
04/23 18Z,  -0.60,  -7.24,  99.90,  -8.15,  -0.31,  (max)
04/23 19Z,  -0.70,  -8.44,  99.90,  -9.45,  -0.31,
04/23 20Z,  -0.70, -11.13,  99.90, -12.14,  -0.31,
04/23 21Z,  -0.70, -14.73,  99.90, -15.74,  -0.31,
04/23 22Z,  -0.70, -18.38,  99.90, -19.39,  -0.31,
04/23 23Z,  -0.70, -21.55,  99.90, -22.56,  -0.31,
04/24 00Z,  -0.80, -23.97,  99.90, -25.08,  -0.31,
04/24 01Z,  -0.80, -24.79,  99.90, -25.90,  -0.31,  (min)
04/24 02Z,  -0.80, -23.19,  99.90, -24.30,  -0.31,
04/24 03Z,  -0.80, -19.84,  99.90, -20.96,  -0.31,
04/24 04Z,  -0.90, -16.18,  99.90, -17.39,  -0.31,
04/24 05Z,  -0.90, -12.82,  99.90, -14.03,  -0.31,
04/24 06Z,  -0.90,  -9.98,  99.90, -11.19,  -0.31,
04/24 07Z,  99.90,  -8.32,  99.90,  99.90,  -0.31,
04/24 08Z,  99.90,  -8.39,  99.90,  99.90,  -0.31,
04/24 09Z,  99.90, -10.04,  99.90,  99.90,  -0.31,
04/24 10Z,  99.90, -12.45,  99.90,  99.90,  -0.31,
04/24 11Z,  99.90, -14.85,  99.90,  99.90,  -0.31,
04/24 12Z,  99.90, -16.98,  99.90,  99.90,  -0.31,