EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Nikiski, AK : 05/18/2026 15:21:54 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 00Z,  -0.30,  -7.25,  -7.94,  99.90,  -0.39,
05/17 01Z,  -0.40,  -4.72,  -5.20,  99.90,  -0.08,
05/17 02Z,  -0.40,  -4.93,  -5.02,  99.90,   0.31,  (max)
05/17 03Z,  -0.30,  -7.60,  -7.67,  99.90,   0.23,
05/17 04Z,  -0.30, -11.75, -12.20,  99.90,  -0.15,
05/17 05Z,  -0.30, -16.13, -16.56,  99.90,  -0.13,
05/17 06Z,  -0.30, -19.89, -20.22,  99.90,  -0.03,
05/17 07Z,  -0.30, -22.29, -22.83,  99.90,  -0.24,  (min)
05/17 08Z,  -0.40, -22.04, -22.43,  99.90,   0.01,
05/17 09Z,  -0.40, -18.33, -17.33,  99.90,   1.40,
05/17 10Z,  -0.40, -12.52, -11.64,  99.90,   1.28,
05/17 11Z,  -0.40,  -6.99,  -6.98,  99.90,   0.41,
05/17 12Z,  -0.40,  -3.24,  -3.38,  99.90,   0.26,
05/17 13Z,  -0.50,  -1.87,  -1.87,  99.90,   0.50,  (max)
05/17 14Z,  -0.50,  -3.22,  -3.28,  99.90,   0.44,
05/17 15Z,  -0.60,  -7.10,  -7.56,  99.90,   0.14,
05/17 16Z,  -0.60, -12.66, -13.02,  99.90,   0.24,
05/17 17Z,  -0.60, -18.73, -17.91,  99.90,   1.42,
05/17 18Z,  -0.50, -24.31, -22.93,  99.90,   1.88,
05/17 19Z,  -0.50, -28.71, -27.25,  99.90,   1.96,
05/17 20Z,  -0.50, -30.73, -29.87,  99.90,   1.36,  (min)
05/17 21Z,  -0.50, -28.94, -28.77,  99.90,   0.67,
05/17 22Z,  -0.50, -23.57, -22.40,  99.90,   1.67,
05/17 23Z,  -0.40, -16.80, -15.95,  99.90,   1.25,
05/18 00Z,  -0.50, -10.70, -10.68,  99.90,   0.52,
05/18 01Z,  -0.40,  -6.31,  -6.52,  99.90,   0.19,
05/18 02Z,  -0.30,  -4.33,  -4.39,  99.90,   0.24,  (max)
05/18 03Z,  -0.30,  -5.07,  -5.09,  99.90,   0.28,
05/18 04Z,  -0.20,  -8.13,  -8.52,  99.90,  -0.19,
05/18 05Z,  -0.20, -12.45, -13.27,  99.90,  -0.62,
05/18 06Z,  -0.30, -16.83, -17.36,  99.90,  -0.23,
05/18 07Z,  -0.30, -20.43, -20.89,  99.90,  -0.16,
05/18 08Z,  -0.20, -22.36, -22.97,  99.90,  -0.41,  (min)
05/18 09Z,  -0.20, -21.30, -21.46,  99.90,   0.04,
05/18 10Z,  -0.20, -16.86, -15.95,  99.90,   1.11,
05/18 11Z,  -0.20, -10.84, -10.69,  99.90,   0.35,
05/18 12Z,  -0.20,  -5.68,  -6.24,  99.90,  -0.36,
05/18 13Z,  -0.20,  -2.59,  -2.98,  99.90,  -0.19,
05/18 14Z,  -0.20,  -1.98,  -2.08,  99.90,   0.10,  (max)
05/18 15Z,  -0.30,  -3.99,  -4.15,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 16Z,  -0.30,  -8.32,  99.90,  -8.48,   0.14,
05/18 17Z,  -0.40, -14.08,  99.90, -14.35,   0.13,
05/18 18Z,  -0.40, -20.14,  99.90, -20.41,   0.13,
05/18 19Z,  -0.40, -25.55,  99.90, -25.83,   0.12,
05/18 20Z,  -0.40, -29.54,  99.90, -29.83,   0.12,
05/18 21Z,  -0.40, -30.81,  99.90, -31.10,   0.11,  (min)
05/18 22Z,  -0.30, -28.13,  99.90, -28.32,   0.11,
05/18 23Z,  -0.30, -22.24,  99.90, -22.44,   0.10,
05/19 00Z,  -0.30, -15.53,  99.90, -15.74,   0.10,
05/19 01Z,  -0.30,  -9.84,  99.90, -10.04,   0.09,
05/19 02Z,  -0.30,  -5.96,  99.90,  -6.17,   0.09,
05/19 03Z,  -0.30,  -4.46,  99.90,  -4.68,   0.08,  (max)
05/19 04Z,  -0.40,  -5.57,  99.90,  -5.89,   0.08,
05/19 05Z,  -0.40,  -8.81,  99.90,  -9.12,   0.08,
05/19 06Z,  -0.40, -13.13,  99.90, -13.45,   0.08,
05/19 07Z,  -0.40, -17.37,  99.90, -17.69,   0.08,
05/19 08Z,  -0.40, -20.68,  99.90, -20.99,   0.08,
05/19 09Z,  -0.30, -22.10,  99.90, -22.31,   0.08,  (min)
05/19 10Z,  -0.20, -20.38,  99.90, -20.50,   0.08,
05/19 11Z,  -0.20, -15.58,  99.90, -15.70,   0.08,
05/19 12Z,  -0.10,  -9.82,  99.90,  -9.83,   0.08,
05/19 13Z,  -0.10,  -5.30,  99.90,  -5.31,   0.08,
05/19 14Z,  -0.10,  -2.89,  99.90,  -2.90,   0.08,
05/19 15Z,  -0.10,  -2.80,  99.90,  -2.81,   0.08,  (max)
05/19 16Z,  -0.10,  -5.13,  99.90,  -5.14,   0.08,
05/19 17Z,  -0.20,  -9.54,  99.90,  -9.66,   0.08,
05/19 18Z,  -0.20, -15.20,  99.90, -15.31,   0.08,
05/19 19Z,  -0.30, -20.99,  99.90, -21.20,   0.08,
05/19 20Z,  -0.30, -26.01,  99.90, -26.22,   0.08,
05/19 21Z,  -0.30, -29.46,  99.90, -29.67,   0.08,
05/19 22Z,  -0.40, -30.01,  99.90, -30.33,   0.08,  (min)
05/19 23Z,  -0.40, -26.76,  99.90, -27.07,   0.08,
05/20 00Z,  -0.40, -20.84,  99.90, -21.16,   0.08,
05/20 01Z,  -0.40, -14.61,  99.90, -14.93,   0.08,
05/20 02Z,  -0.40,  -9.51,  99.90,  -9.83,   0.08,
05/20 03Z,  -0.40,  -6.13,  99.90,  -6.45,   0.08,
05/20 04Z,  -0.40,  -4.97,  99.90,  -5.29,   0.08,  (max)
05/20 05Z,  -0.40,  -6.24,  99.90,  -6.56,   0.08,
05/20 06Z,  -0.50,  -9.49,  99.90,  -9.91,   0.08,
05/20 07Z,  -0.50, -13.66,  99.90, -14.08,   0.08,
05/20 08Z,  -0.50, -17.62,  99.90, -18.04,   0.08,
05/20 09Z,  -0.50, -20.58,  99.90, -20.99,   0.08,
05/20 10Z,  -0.50, -21.56,  99.90, -21.97,   0.08,  (min)
05/20 11Z,  -0.50, -19.48,  99.90, -19.89,   0.08,
05/20 12Z,  -0.50, -14.77,  99.90, -15.19,   0.08,
05/20 13Z,  -0.50,  -9.63,  99.90, -10.05,   0.08,
05/20 14Z,  -0.60,  -5.87,  99.90,  -6.38,   0.08,
05/20 15Z,  -0.70,  -3.98,  99.90,  -4.59,   0.08,  (max)
05/20 16Z,  -0.70,  -4.11,  99.90,  -4.72,   0.08,
05/20 17Z,  -0.80,  -6.40,  99.90,  -7.12,   0.08,
05/20 18Z,  -0.80, -10.60,  99.90, -11.32,   0.08,
05/20 19Z,  -0.90, -15.88,  99.90, -16.70,   0.08,
05/20 20Z,  -0.90, -21.18,  99.90, -21.99,   0.08,
05/20 21Z,  -0.90, -25.66,  99.90, -26.47,   0.08,
05/20 22Z,  -0.90, -28.54,  99.90, -29.36,   0.08,
05/20 23Z,  -0.90, -28.58,  99.90, -29.40,   0.08,  (min)
05/21 00Z,  -0.80, -25.15,  99.90, -25.87,   0.08,
05/21 01Z,  -0.80, -19.65,  99.90, -20.36,   0.08,
05/21 02Z,  -0.70, -14.13,  99.90, -14.75,   0.08,
05/21 03Z,  -0.70,  -9.65,  99.90, -10.27,   0.08,
05/21 04Z,  -0.60,  -6.63,  99.90,  -7.15,   0.08,
05/21 05Z,  -0.50,  -5.64,  99.90,  -6.05,   0.08,  (max)
05/21 06Z,  -0.40,  -6.92,  99.90,  -7.24,   0.08,
05/21 07Z,  -0.30, -10.03,  99.90, -10.25,   0.08,
05/21 08Z,  -0.30, -13.91,  99.90, -14.13,   0.08,
05/21 09Z,  -0.10, -17.52,  99.90, -17.53,   0.08,
05/21 10Z,   0.00, -20.16,  99.90, -20.07,   0.08,
05/21 11Z,   0.00, -20.91,  99.90, -20.82,   0.08,  (min)
05/21 12Z,   0.00, -18.85,  99.90, -18.76,   0.08,
05/21 13Z,   0.00, -14.65,  99.90, -14.56,   0.08,
05/21 14Z,   0.00, -10.34,  99.90, -10.25,   0.08,
05/21 15Z,   0.00,  -7.24,  99.90,  -7.16,   0.08,
05/21 16Z,   0.00,  -5.61,  99.90,  -5.52,   0.08,  (max)
05/21 17Z,   0.00,  -5.65,  99.90,  -5.56,   0.08,
05/21 18Z,   0.00,  -7.64,  99.90,  -7.56,   0.08,
05/21 19Z,   0.00, -11.39,  99.90, -11.30,   0.08,
05/21 20Z,  -0.10, -16.09,  99.90, -16.10,   0.08,
05/21 21Z,  -0.10, -20.72,  99.90, -20.74,   0.08,
05/21 22Z,  -0.10, -24.61,  99.90, -24.63,   0.08,
05/21 23Z,  -0.10, -27.05,  99.90, -27.07,   0.08,  (min)
05/22 00Z,  -0.10, -26.85,  99.90, -26.87,   0.08,
05/22 01Z,  -0.10, -23.63,  99.90, -23.64,   0.08,
05/22 02Z,  -0.20, -18.80,  99.90, -18.91,   0.08,
05/22 03Z,  -0.20, -14.05,  99.90, -14.17,   0.08,
05/22 04Z,  -0.30, -10.05,  99.90, -10.27,   0.08,
05/22 05Z,  -0.30,  -7.23,  99.90,  -7.45,   0.08,
05/22 06Z,  -0.30,  -6.26,  99.90,  -6.48,   0.08,
05/22 07Z,  99.90,  -7.45,  99.90,  99.90,   0.08,
05/22 08Z,  99.90, -10.31,  99.90,  99.90,   0.08,
05/22 09Z,  99.90, -13.82,  99.90,  99.90,   0.08,
05/22 10Z,  99.90, -17.09,  99.90,  99.90,   0.08,
05/22 11Z,  99.90, -19.58,  99.90,  99.90,   0.08,
05/22 12Z,  99.90, -20.40,  99.90,  99.90,   0.08,