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
#Nikiski, AK : 10/17/2026 00:23:40 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 06Z,  -1.20,  -7.14,  -7.94,  99.90,   0.40,
10/15 07Z,  -1.30, -11.60, -11.81,  99.90,   1.09,
10/15 08Z,  -1.30, -15.55, -15.50,  99.90,   1.35,
10/15 09Z,  -1.30, -18.45, -18.77,  99.90,   0.98,
10/15 10Z,  -1.30, -19.91, -20.35,  99.90,   0.86,  (min)
10/15 11Z,  -1.30, -19.02, -19.25,  99.90,   1.07,
10/15 12Z,  -1.30, -15.55, -15.44,  99.90,   1.41,
10/15 13Z,  -1.30, -10.96, -11.35,  99.90,   0.91,
10/15 14Z,  -1.30,  -6.88,  -7.54,  99.90,   0.64,
10/15 15Z,  -1.30,  -3.87,  -4.36,  99.90,   0.81,
10/15 16Z,  -1.30,  -2.13,  -2.44,  99.90,   0.99,
10/15 17Z,  -1.20,  -2.11,  -2.24,  99.90,   1.07,  (max)
10/15 18Z,  -1.10,  -3.92,  -3.81,  99.90,   1.21,
10/15 19Z,  -1.00,  -6.93,  -6.74,  99.90,   1.19,
10/15 20Z,  -0.90, -10.00,  -9.76,  99.90,   1.14,
10/15 21Z,  -0.90, -12.26, -12.03,  99.90,   1.13,
10/15 22Z,  -0.90, -13.36, -13.16,  99.90,   1.10,  (min)
10/15 23Z,  -0.70, -12.77, -12.25,  99.90,   1.22,
10/16 00Z,  -0.40, -10.05,  -9.40,  99.90,   1.05,
10/16 01Z,  -0.30,  -6.23,  -6.39,  99.90,   0.14,
10/16 02Z,  -0.20,  -3.16,  -3.60,  99.90,  -0.24,
10/16 03Z,  -0.10,  -1.63,  -1.64,  99.90,   0.09,
10/16 04Z,   0.00,  -1.46,  -1.13,  99.90,   0.33,  (max)
10/16 05Z,   0.00,  -2.62,  -2.23,  99.90,   0.39,
10/16 06Z,   0.00,  -5.21,  -4.87,  99.90,   0.34,
10/16 07Z,   0.10,  -8.83,  -8.31,  99.90,   0.42,
10/16 08Z,   0.20, -12.58, -11.71,  99.90,   0.67,
10/16 09Z,   0.30, -15.61, -15.04,  99.90,   0.27,
10/16 10Z,   0.30, -17.62, -17.59,  99.90,  -0.27,
10/16 11Z,   0.30, -18.35, -18.37,  99.90,  -0.32,  (min)
10/16 12Z,   0.30, -17.09, -16.59,  99.90,   0.20,
10/16 13Z,   0.30, -13.86, -13.13,  99.90,   0.43,
10/16 14Z,   0.40, -10.12,  -9.67,  99.90,   0.05,
10/16 15Z,   0.40,  -7.03,  -6.54,  99.90,   0.09,
10/16 16Z,   0.40,  -4.72,  -4.14,  99.90,   0.18,
10/16 17Z,   0.40,  -3.33,  -2.94,  99.90,  -0.01,  (max)
10/16 18Z,   0.30,  -3.36,  -3.14,  99.90,  -0.08,
10/16 19Z,   0.40,  -4.94,  -4.82,  99.90,  -0.28,
10/16 20Z,   0.50,  -7.43,  -7.14,  99.90,  -0.21,
10/16 21Z,   0.50,  -9.77,  -9.42,  99.90,  -0.15,
10/16 22Z,   0.50, -11.29, -11.12,  99.90,  -0.33,
10/16 23Z,   0.40, -11.87, -11.77,  99.90,  -0.30,  (min)
10/17 00Z,   0.40, -11.08, -10.76,  99.90,  -0.08,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 01Z,   0.40,  -8.68,  99.90,  -8.35,  -0.08,
10/17 02Z,   0.40,  -5.77,  99.90,  -5.44,  -0.07,
10/17 03Z,   0.40,  -3.83,  99.90,  -3.49,  -0.07,
10/17 04Z,   0.40,  -3.12,  99.90,  -2.79,  -0.06,  (max)
10/17 05Z,   0.40,  -3.30,  99.90,  -2.95,  -0.06,
10/17 06Z,   0.40,  -4.42,  99.90,  -4.07,  -0.05,
10/17 07Z,   0.40,  -6.65,  99.90,  -6.30,  -0.05,
10/17 08Z,   0.40,  -9.66,  99.90,  -9.30,  -0.05,
10/17 09Z,   0.40, -12.61,  99.90, -12.25,  -0.04,
10/17 10Z,   0.30, -14.84,  99.90, -14.58,  -0.04,
10/17 11Z,   0.30, -16.29,  99.90, -16.02,  -0.03,
10/17 12Z,   0.30, -16.77,  99.90, -16.50,  -0.03,  (min)
10/17 13Z,   0.20, -15.61,  99.90, -15.44,  -0.03,
10/17 14Z,   0.20, -12.98,  99.90, -12.81,  -0.03,
10/17 15Z,   0.20, -10.13,  99.90,  -9.96,  -0.03,
10/17 16Z,   0.10,  -7.78,  99.90,  -7.71,  -0.03,
10/17 17Z,   0.10,  -5.79,  99.90,  -5.71,  -0.03,
10/17 18Z,   0.10,  -4.38,  99.90,  -4.31,  -0.03,
10/17 19Z,   0.00,  -4.19,  99.90,  -4.22,  -0.03,  (max)
10/17 20Z,   0.00,  -5.36,  99.90,  -5.39,  -0.03,
10/17 21Z,   0.10,  -7.28,  99.90,  -7.21,  -0.03,
10/17 22Z,   0.10,  -9.01,  99.90,  -8.93,  -0.03,
10/17 23Z,   0.20, -10.13,  99.90,  -9.96,  -0.03,
10/18 00Z,   0.30, -10.65,  99.90, -10.38,  -0.03,  (min)
10/18 01Z,   0.30, -10.13,  99.90,  -9.86,  -0.03,
10/18 02Z,   0.30,  -8.36,  99.90,  -8.09,  -0.03,
10/18 03Z,   0.20,  -6.38,  99.90,  -6.20,  -0.03,
10/18 04Z,   0.20,  -5.24,  99.90,  -5.07,  -0.03,
10/18 05Z,   0.10,  -4.85,  99.90,  -4.78,  -0.03,  (max)
10/18 06Z,   0.10,  -4.87,  99.90,  -4.80,  -0.03,
10/18 07Z,   0.10,  -5.58,  99.90,  -5.51,  -0.03,
10/18 08Z,   0.10,  -7.26,  99.90,  -7.19,  -0.03,
10/18 09Z,   0.10,  -9.60,  99.90,  -9.53,  -0.03,
10/18 10Z,   0.10, -11.89,  99.90, -11.82,  -0.03,
10/18 11Z,   0.10, -13.65,  99.90, -13.58,  -0.03,
10/18 12Z,   0.10, -14.99,  99.90, -14.92,  -0.03,
10/18 13Z,   0.10, -15.65,  99.90, -15.58,  -0.03,  (min)
10/18 14Z,   0.10, -14.91,  99.90, -14.84,  -0.03,
10/18 15Z,   0.00, -12.93,  99.90, -12.96,  -0.03,
10/18 16Z,   0.00, -10.73,  99.90, -10.76,  -0.03,
10/18 17Z,   0.00,  -8.68,  99.90,  -8.71,  -0.03,
10/18 18Z,   0.00,  -6.59,  99.90,  -6.62,  -0.03,
10/18 19Z,   0.00,  -4.90,  99.90,  -4.93,  -0.03,
10/18 20Z,   0.00,  -4.36,  99.90,  -4.39,  -0.03,  (max)
10/18 21Z,  -0.10,  -5.14,  99.90,  -5.26,  -0.03,
10/18 22Z,  -0.10,  -6.64,  99.90,  -6.77,  -0.03,
10/18 23Z,  -0.10,  -8.08,  99.90,  -8.21,  -0.03,
10/19 00Z,  -0.10,  -9.26,  99.90,  -9.38,  -0.03,
10/19 01Z,  -0.10, -10.15,  99.90, -10.28,  -0.03,
10/19 02Z,  -0.10, -10.17,  99.90, -10.30,  -0.03,  (min)
10/19 03Z,  -0.10,  -9.06,  99.90,  -9.19,  -0.03,
10/19 04Z,  -0.20,  -7.72,  99.90,  -7.95,  -0.03,
10/19 05Z,  -0.20,  -6.88,  99.90,  -7.11,  -0.03,
10/19 06Z,  -0.20,  -6.27,  99.90,  -6.50,  -0.03,
10/19 07Z,  -0.30,  -5.78,  99.90,  -6.10,  -0.03,  (max)
10/19 08Z,  -0.30,  -5.90,  99.90,  -6.23,  -0.03,
10/19 09Z,  -0.30,  -7.02,  99.90,  -7.35,  -0.03,
10/19 10Z,  -0.30,  -8.88,  99.90,  -9.21,  -0.03,
10/19 11Z,  -0.30, -10.83,  99.90, -11.16,  -0.03,
10/19 12Z,  -0.30, -12.56,  99.90, -12.89,  -0.03,
10/19 13Z,  -0.30, -14.21,  99.90, -14.54,  -0.03,
10/19 14Z,  -0.40, -15.30,  99.90, -15.73,  -0.03,  (min)
10/19 15Z,  -0.50, -14.98,  99.90, -15.51,  -0.03,
10/19 16Z,  -0.50, -13.40,  99.90, -13.93,  -0.03,
10/19 17Z,  -0.50, -11.42,  99.90, -11.95,  -0.03,
10/19 18Z,  -0.60,  -9.22,  99.90,  -9.84,  -0.03,
10/19 19Z,  -0.60,  -6.73,  99.90,  -7.36,  -0.03,
10/19 20Z,  -0.60,  -4.65,  99.90,  -5.28,  -0.03,
10/19 21Z,  -0.60,  -3.84,  99.90,  -4.47,  -0.03,  (max)
10/19 22Z,  -0.60,  -4.45,  99.90,  -5.08,  -0.03,
10/19 23Z,  -0.60,  -5.89,  99.90,  -6.52,  -0.03,
10/20 00Z,  -0.50,  -7.48,  99.90,  -8.01,  -0.03,
10/20 01Z,  -0.50,  -9.13,  99.90,  -9.66,  -0.03,
10/20 02Z,  -0.50, -10.66,  99.90, -11.19,  -0.03,
10/20 03Z,  -0.50, -11.22,  99.90, -11.75,  -0.03,  (min)
10/20 04Z,  -0.50, -10.49,  99.90, -11.02,  -0.03,
10/20 05Z,  -0.60,  -9.31,  99.90,  -9.94,  -0.03,
10/20 06Z,  -0.60,  -8.21,  99.90,  -8.84,  -0.03,
10/20 07Z,  -0.60,  -6.97,  99.90,  -7.60,  -0.03,
10/20 08Z,  -0.60,  -5.77,  99.90,  -6.40,  -0.03,
10/20 09Z,  -0.60,  -5.36,  99.90,  -5.99,  -0.03,  (max)
10/20 10Z,  -0.50,  -6.17,  99.90,  -6.70,  -0.03,
10/20 11Z,  -0.50,  -7.90,  99.90,  -8.43,  -0.03,
10/20 12Z,  -0.60,  -9.94,  99.90, -10.57,  -0.03,
10/20 13Z,  -0.60, -12.04,  99.90, -12.67,  -0.03,
10/20 14Z,  -0.70, -14.22,  99.90, -14.95,  -0.03,
10/20 15Z,  -0.80, -15.70,  99.90, -16.53,  -0.03,  (min)
10/20 16Z,  -0.90, -15.52,  99.90, -16.45,  -0.03,
10/20 17Z,  -1.00, -13.91,  99.90, -14.94,  -0.03,
10/20 18Z,  -1.20, -11.66,  99.90, -12.89,  -0.03,