EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 04/19/2026 20:23:30 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 00Z,  -0.20,  -2.39,  -2.92,  99.90,  -0.33,
04/18 01Z,  -0.20,   0.78,   0.33,  99.90,  -0.25,
04/18 02Z,  -0.20,   1.22,   0.91,  99.90,  -0.11,  (max)
04/18 03Z,  -0.20,  -1.12,  -1.54,  99.90,  -0.22,
04/18 04Z,  -0.20,  -5.48,  -6.17,  99.90,  -0.49,
04/18 05Z,  -0.20, -10.57, -11.10,  99.90,  -0.33,
04/18 06Z,  -0.20, -15.20, -15.38,  99.90,   0.02,
04/18 07Z,  -0.20, -18.56, -19.07,  99.90,  -0.31,
04/18 08Z,  -0.20, -19.54, -20.63,  99.90,  -0.89,  (min)
04/18 09Z,  -0.20, -16.92, -17.26,  99.90,  -0.14,
04/18 10Z,  -0.10, -11.20, -10.81,  99.90,   0.49,
04/18 11Z,  -0.10,  -4.76,  -5.19,  99.90,  -0.33,
04/18 12Z,  -0.10,   0.27,  -0.54,  99.90,  -0.71,
04/18 13Z,  -0.10,   2.98,   2.42,  99.90,  -0.46,
04/18 14Z,  -0.10,   2.95,   2.52,  99.90,  -0.33,  (max)
04/18 15Z,  -0.20,   0.11,  -0.58,  99.90,  -0.49,
04/18 16Z,  -0.20,  -4.96,  -5.91,  99.90,  -0.75,
04/18 17Z,  -0.20, -11.10, -11.22,  99.90,   0.08,
04/18 18Z,  -0.20, -17.05, -16.31,  99.90,   0.94,
04/18 19Z,  -0.20, -21.89, -21.14,  99.90,   0.95,
04/18 20Z,  -0.20, -24.69, -24.61,  99.90,   0.28,
04/18 21Z,  -0.20, -24.04, -25.09,  99.90,  -0.85,  (min)
04/18 22Z,  -0.20, -19.43, -19.60,  99.90,   0.03,
04/18 23Z,  -0.20, -12.61, -12.57,  99.90,   0.24,
04/19 00Z,  -0.20,  -6.08,  -6.66,  99.90,  -0.38,
04/19 01Z,  -0.10,  -1.26,  -2.00,  99.90,  -0.64,
04/19 02Z,  -0.10,   1.19,   0.70,  99.90,  -0.39,  (max)
04/19 03Z,   0.00,   0.87,   0.50,  99.90,  -0.37,
04/19 04Z,   0.00,  -2.06,  -2.65,  99.90,  -0.59,
04/19 05Z,   0.00,  -6.70,  -7.52,  99.90,  -0.82,
04/19 06Z,   0.00, -11.72, -12.16,  99.90,  -0.44,
04/19 07Z,   0.00, -15.95, -16.26,  99.90,  -0.31,
04/19 08Z,   0.00, -18.57, -19.24,  99.90,  -0.67,
04/19 09Z,   0.10, -18.44, -19.27,  99.90,  -0.93,  (min)
04/19 10Z,   0.20, -14.70, -14.11,  99.90,   0.39,
04/19 11Z,   0.20,  -8.43,  -8.05,  99.90,   0.18,
04/19 12Z,   0.10,  -2.29,  -2.89,  99.90,  -0.70,
04/19 13Z,   0.10,   1.87,   1.23,  99.90,  -0.74,
04/19 14Z,   0.20,   3.46,   3.12,  99.90,  -0.54,  (max)
04/19 15Z,   0.20,   2.33,   2.05,  99.90,  -0.48,
04/19 16Z,   0.20,  -1.37,  -1.99,  99.90,  -0.82,
04/19 17Z,   0.10,  -6.94,  -7.46,  99.90,  -0.62,
04/19 18Z,   0.10, -13.19, -12.56,  99.90,   0.53,
04/19 19Z,   0.10, -18.89, -17.69,  99.90,   1.10,
04/19 20Z,   0.10, -23.18, -22.16,  99.90,   0.92,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 21Z,   0.10, -25.09,  99.90, -24.18,   0.81,  (min)
04/19 22Z,   0.20, -23.36,  99.90, -22.45,   0.71,
04/19 23Z,   0.30, -18.00,  99.90, -17.09,   0.61,
04/20 00Z,   0.40, -11.13,  99.90, -10.22,   0.51,
04/20 01Z,   0.30,  -5.10,  99.90,  -4.39,   0.41,
04/20 02Z,   0.30,  -0.98,  99.90,  -0.37,   0.30,
04/20 03Z,   0.30,   0.80,  99.90,   1.30,   0.20,  (max)
04/20 04Z,   0.40,  -0.04,  99.90,   0.47,   0.10,
04/20 05Z,   0.50,  -3.22,  99.90,  -2.72,  -0.00,
04/20 06Z,   0.50,  -7.79,  99.90,  -7.40,  -0.10,
04/20 07Z,   0.50, -12.44,  99.90, -12.14,  -0.20,
04/20 08Z,   0.60, -16.06,  99.90, -15.76,  -0.31,
04/20 09Z,   0.60, -17.86,  99.90, -17.56,  -0.31,  (min)
04/20 10Z,   0.70, -16.81,  99.90, -16.41,  -0.31,
04/20 11Z,   0.70, -12.41,  99.90, -12.02,  -0.31,
04/20 12Z,   0.70,  -6.25,  99.90,  -5.86,  -0.31,
04/20 13Z,   0.70,  -0.90,  99.90,  -0.51,  -0.31,
04/20 14Z,   0.70,   2.21,  99.90,   2.60,  -0.31,
04/20 15Z,   0.70,   2.85,  99.90,   3.24,  -0.31,  (max)
04/20 16Z,   0.70,   1.02,  99.90,   1.41,  -0.31,
04/20 17Z,   0.70,  -3.06,  99.90,  -2.67,  -0.31,
04/20 18Z,   0.80,  -8.66,  99.90,  -8.16,  -0.31,
04/20 19Z,   0.70, -14.59,  99.90, -14.20,  -0.31,
04/20 20Z,   0.70, -19.73,  99.90, -19.33,  -0.31,
04/20 21Z,   0.70, -23.30,  99.90, -22.91,  -0.31,
04/20 22Z,   0.80, -24.41,  99.90, -23.92,  -0.31,  (min)
04/20 23Z,   0.80, -22.00,  99.90, -21.50,  -0.31,
04/21 00Z,   0.80, -16.50,  99.90, -16.00,  -0.31,
04/21 01Z,   0.80, -10.15,  99.90,  -9.66,  -0.31,
04/21 02Z,   0.80,  -4.92,  99.90,  -4.43,  -0.31,
04/21 03Z,   0.80,  -1.50,  99.90,  -1.01,  -0.31,
04/21 04Z,   0.70,  -0.18,  99.90,   0.21,  -0.31,  (max)
04/21 05Z,   0.70,  -1.21,  99.90,  -0.82,  -0.31,
04/21 06Z,   0.60,  -4.31,  99.90,  -4.02,  -0.31,
04/21 07Z,   0.60,  -8.53,  99.90,  -8.23,  -0.31,
04/21 08Z,   0.50, -12.57,  99.90, -12.38,  -0.31,
04/21 09Z,   0.50, -15.48,  99.90, -15.29,  -0.31,
04/21 10Z,   0.40, -16.60,  99.90, -16.51,  -0.31,  (min)
04/21 11Z,   0.40, -15.01,  99.90, -14.92,  -0.31,
04/21 12Z,   0.40, -10.58,  99.90, -10.49,  -0.31,
04/21 13Z,   0.40,  -5.08,  99.90,  -4.99,  -0.31,
04/21 14Z,   0.40,  -0.80,  99.90,  -0.70,  -0.31,
04/21 15Z,   0.40,   1.37,  99.90,   1.46,  -0.31,  (max)
04/21 16Z,   0.30,   1.42,  99.90,   1.42,  -0.31,
04/21 17Z,   0.20,  -0.63,  99.90,  -0.73,  -0.31,
04/21 18Z,   0.10,  -4.60,  99.90,  -4.81,  -0.31,
04/21 19Z,   0.10,  -9.79,  99.90,  -9.99,  -0.31,
04/21 20Z,   0.00, -15.07,  99.90, -15.38,  -0.31,
04/21 21Z,   0.00, -19.47,  99.90, -19.77,  -0.31,
04/21 22Z,   0.00, -22.37,  99.90, -22.68,  -0.31,
04/21 23Z,   0.00, -22.97,  99.90, -23.28,  -0.31,  (min)
04/22 00Z,   0.00, -20.39,  99.90, -20.70,  -0.31,
04/22 01Z,   0.00, -15.33,  99.90, -15.64,  -0.31,
04/22 02Z,   0.00,  -9.88,  99.90, -10.19,  -0.31,
04/22 03Z,   0.00,  -5.51,  99.90,  -5.82,  -0.31,
04/22 04Z,   0.00,  -2.59,  99.90,  -2.90,  -0.31,
04/22 05Z,  -0.10,  -1.43,  99.90,  -1.84,  -0.31,  (max)
04/22 06Z,  -0.10,  -2.35,  99.90,  -2.76,  -0.31,
04/22 07Z,  -0.10,  -5.09,  99.90,  -5.50,  -0.31,
04/22 08Z,  -0.10,  -8.72,  99.90,  -9.13,  -0.31,
04/22 09Z,  -0.10, -12.06,  99.90, -12.47,  -0.31,
04/22 10Z,  -0.10, -14.38,  99.90, -14.78,  -0.31,
04/22 11Z,   0.00, -15.14,  99.90, -15.44,  -0.31,  (min)
04/22 12Z,   0.00, -13.53,  99.90, -13.84,  -0.31,
04/22 13Z,  -0.10,  -9.61,  99.90, -10.02,  -0.31,
04/22 14Z,  -0.10,  -5.13,  99.90,  -5.54,  -0.31,
04/22 15Z,  -0.20,  -1.89,  99.90,  -2.40,  -0.31,
04/22 16Z,  -0.20,  -0.34,  99.90,  -0.85,  -0.31,  (max)
04/22 17Z,  -0.30,  -0.41,  99.90,  -1.02,  -0.31,
04/22 18Z,  -0.30,  -2.22,  99.90,  -2.82,  -0.31,
04/22 19Z,  -0.30,  -5.68,  99.90,  -6.28,  -0.31,
04/22 20Z,  -0.30, -10.14,  99.90, -10.75,  -0.31,
04/22 21Z,  -0.30, -14.60,  99.90, -15.20,  -0.31,
04/22 22Z,  -0.30, -18.26,  99.90, -18.87,  -0.31,
04/22 23Z,  -0.30, -20.74,  99.90, -21.35,  -0.31,
04/23 00Z,  -0.30, -21.25,  99.90, -21.86,  -0.31,  (min)
04/23 01Z,  -0.30, -19.01,  99.90, -19.62,  -0.31,
04/23 02Z,  -0.30, -14.76,  99.90, -15.37,  -0.31,
04/23 03Z,  -0.30, -10.30,  99.90, -10.91,  -0.31,
04/23 04Z,  -0.40,  -6.60,  99.90,  -7.31,  -0.31,
04/23 05Z,  -0.50,  -3.88,  99.90,  -4.69,  -0.31,
04/23 06Z,  -0.50,  -2.59,  99.90,  -3.39,  -0.31,  (max)
04/23 07Z,  -0.50,  -3.14,  99.90,  -3.95,  -0.31,
04/23 08Z,  -0.50,  -5.35,  99.90,  -6.15,  -0.31,
04/23 09Z,  -0.50,  -8.31,  99.90,  -9.12,  -0.31,
04/23 10Z,  -0.50, -11.04,  99.90, -11.85,  -0.31,
04/23 11Z,  -0.40, -13.05,  99.90, -13.76,  -0.31,
04/23 12Z,  -0.40, -13.90,  99.90, -14.61,  -0.31,