EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Sitka, AK : 10/17/2026 03:22:47 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 12Z,   0.60,  -4.86,  -4.83,  99.90,  -0.57,
10/15 13Z,   0.60,  -4.82,  -4.78,  99.90,  -0.56,  (max)
10/15 14Z,   0.70,  -5.46,  -5.22,  99.90,  -0.46,
10/15 15Z,   0.90,  -6.49,  -6.16,  99.90,  -0.57,
10/15 16Z,   1.00,  -7.55,  -7.25,  99.90,  -0.70,
10/15 17Z,   1.20,  -8.29,  -7.90,  99.90,  -0.81,
10/15 18Z,   0.90,  -8.44,  -8.02,  99.90,  -0.48,  (min)
10/15 19Z,   0.90,  -7.91,  -7.48,  99.90,  -0.47,
10/15 20Z,   0.90,  -6.83,  -6.50,  99.90,  -0.57,
10/15 21Z,   0.90,  -5.46,  -5.20,  99.90,  -0.64,
10/15 22Z,   0.90,  -4.17,  -3.91,  99.90,  -0.64,
10/15 23Z,   0.90,  -3.33,  -3.14,  99.90,  -0.71,
10/16 00Z,   0.70,  -3.21,  -2.95,  99.90,  -0.44,  (max)
10/16 01Z,   0.70,  -3.91,  -3.69,  99.90,  -0.48,
10/16 02Z,   0.70,  -5.33,  -5.04,  99.90,  -0.41,
10/16 03Z,   0.60,  -7.22,  -6.90,  99.90,  -0.28,
10/16 04Z,   0.70,  -9.17,  -8.89,  99.90,  -0.42,
10/16 05Z,   0.70, -10.81, -10.51,  99.90,  -0.40,
10/16 06Z,   0.60, -11.80, -11.38,  99.90,  -0.18,
10/16 07Z,   0.70, -11.97, -11.60,  99.90,  -0.33,  (min)
10/16 08Z,   0.70, -11.34, -10.85,  99.90,  -0.21,
10/16 09Z,   0.90, -10.09,  -9.73,  99.90,  -0.54,
10/16 10Z,   1.00,  -8.54,  -8.10,  99.90,  -0.56,
10/16 11Z,   1.10,  -7.04,  -6.69,  99.90,  -0.75,
10/16 12Z,   0.70,  -5.92,  -5.65,  99.90,  -0.43,
10/16 13Z,   0.70,  -5.37,  -5.17,  99.90,  -0.50,
10/16 14Z,   0.70,  -5.43,  -5.02,  99.90,  -0.29,  (max)
10/16 15Z,   0.70,  -5.96,  -5.66,  99.90,  -0.40,
10/16 16Z,   0.70,  -6.74,  -6.48,  99.90,  -0.44,
10/16 17Z,   0.70,  -7.46,  -7.28,  99.90,  -0.52,
10/16 18Z,   0.50,  -7.86,  -7.75,  99.90,  -0.39,  (min)
10/16 19Z,   0.50,  -7.78,  -7.71,  99.90,  -0.43,
10/16 20Z,   0.50,  -7.21,  -7.07,  99.90,  -0.36,
10/16 21Z,   0.50,  -6.26,  -6.14,  99.90,  -0.38,
10/16 22Z,   0.50,  -5.19,  -5.08,  99.90,  -0.39,
10/16 23Z,   0.50,  -4.29,  -4.10,  99.90,  -0.31,
10/17 00Z,   0.50,  -3.83,  -3.62,  99.90,  -0.29,  (max)
10/17 01Z,   0.50,  -3.98,  -3.72,  99.90,  -0.24,
10/17 02Z,   0.40,  -4.77,  -4.56,  99.90,  -0.19,
10/17 03Z,   0.30,  -6.09,  -5.86,  99.90,  -0.07,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 04Z,   0.30,  -7.70,  99.90,  -7.49,  -0.09,
10/17 05Z,   0.20,  -9.29,  99.90,  -9.20,  -0.11,
10/17 06Z,   0.20, -10.55,  99.90, -10.48,  -0.14,
10/17 07Z,   0.20, -11.25,  99.90, -11.21,  -0.16,
10/17 08Z,   0.20, -11.28,  99.90, -11.27,  -0.18,  (min)
10/17 09Z,   0.20, -10.69,  99.90, -10.70,  -0.21,
10/17 10Z,   0.30,  -9.64,  99.90,  -9.57,  -0.23,
10/17 11Z,   0.40,  -8.38,  99.90,  -8.23,  -0.25,
10/17 12Z,   0.50,  -7.18,  99.90,  -6.96,  -0.28,
10/17 13Z,   0.60,  -6.29,  99.90,  -5.99,  -0.30,
10/17 14Z,   0.60,  -5.84,  99.90,  -5.56,  -0.32,
10/17 15Z,   0.70,  -5.83,  99.90,  -5.48,  -0.35,  (max)
10/17 16Z,   0.70,  -6.18,  99.90,  -5.83,  -0.35,
10/17 17Z,   0.60,  -6.70,  99.90,  -6.45,  -0.35,
10/17 18Z,   0.50,  -7.17,  99.90,  -7.02,  -0.35,
10/17 19Z,   0.50,  -7.41,  99.90,  -7.26,  -0.35,  (min)
10/17 20Z,   0.40,  -7.30,  99.90,  -7.25,  -0.35,
10/17 21Z,   0.40,  -6.84,  99.90,  -6.79,  -0.35,
10/17 22Z,   0.40,  -6.14,  99.90,  -6.08,  -0.35,
10/17 23Z,   0.40,  -5.37,  99.90,  -5.32,  -0.35,
10/18 00Z,   0.30,  -4.76,  99.90,  -4.80,  -0.35,
10/18 01Z,   0.30,  -4.49,  99.90,  -4.54,  -0.35,  (max)
10/18 02Z,   0.20,  -4.70,  99.90,  -4.85,  -0.35,
10/18 03Z,   0.20,  -5.40,  99.90,  -5.55,  -0.35,
10/18 04Z,   0.20,  -6.50,  99.90,  -6.65,  -0.35,
10/18 05Z,   0.20,  -7.81,  99.90,  -7.96,  -0.35,
10/18 06Z,   0.20,  -9.11,  99.90,  -9.25,  -0.35,
10/18 07Z,   0.20, -10.15,  99.90, -10.29,  -0.35,
10/18 08Z,   0.10, -10.74,  99.90, -10.99,  -0.35,
10/18 09Z,   0.10, -10.81,  99.90, -11.05,  -0.35,  (min)
10/18 10Z,   0.00, -10.36,  99.90, -10.71,  -0.35,
10/18 11Z,   0.00,  -9.51,  99.90,  -9.86,  -0.35,
10/18 12Z,   0.00,  -8.46,  99.90,  -8.80,  -0.35,
10/18 13Z,   0.00,  -7.41,  99.90,  -7.76,  -0.35,
10/18 14Z,  -0.10,  -6.57,  99.90,  -7.02,  -0.35,
10/18 15Z,  -0.10,  -6.06,  99.90,  -6.50,  -0.35,
10/18 16Z,  -0.20,  -5.92,  99.90,  -6.46,  -0.35,  (max)
10/18 17Z,  -0.20,  -6.09,  99.90,  -6.64,  -0.35,
10/18 18Z,  -0.30,  -6.46,  99.90,  -7.11,  -0.35,
10/18 19Z,  -0.20,  -6.86,  99.90,  -7.40,  -0.35,
10/18 20Z,  -0.20,  -7.13,  99.90,  -7.67,  -0.35,
10/18 21Z,  -0.20,  -7.16,  99.90,  -7.70,  -0.35,  (min)
10/18 22Z,  -0.20,  -6.91,  99.90,  -7.46,  -0.35,
10/18 23Z,  -0.20,  -6.45,  99.90,  -6.99,  -0.35,
10/19 00Z,  -0.20,  -5.88,  99.90,  -6.43,  -0.35,
10/19 01Z,  -0.20,  -5.38,  99.90,  -5.93,  -0.35,
10/19 02Z,  -0.30,  -5.12,  99.90,  -5.76,  -0.35,  (max)
10/19 03Z,  -0.30,  -5.21,  99.90,  -5.85,  -0.35,
10/19 04Z,  -0.30,  -5.70,  99.90,  -6.35,  -0.35,
10/19 05Z,  -0.30,  -6.56,  99.90,  -7.21,  -0.35,
10/19 06Z,  -0.40,  -7.67,  99.90,  -8.41,  -0.35,
10/19 07Z,  -0.40,  -8.82,  99.90,  -9.56,  -0.35,
10/19 08Z,  -0.40,  -9.81,  99.90, -10.55,  -0.35,
10/19 09Z,  -0.30, -10.45,  99.90, -11.10,  -0.35,
10/19 10Z,  -0.30, -10.64,  99.90, -11.28,  -0.35,  (min)
10/19 11Z,  -0.30, -10.32,  99.90, -10.97,  -0.35,
10/19 12Z,  -0.30,  -9.59,  99.90, -10.24,  -0.35,
10/19 13Z,  -0.20,  -8.58,  99.90,  -9.13,  -0.35,
10/19 14Z,  -0.20,  -7.51,  99.90,  -8.05,  -0.35,
10/19 15Z,  -0.20,  -6.56,  99.90,  -7.11,  -0.35,
10/19 16Z,  -0.20,  -5.92,  99.90,  -6.46,  -0.35,
10/19 17Z,  -0.30,  -5.65,  99.90,  -6.30,  -0.35,  (max)
10/19 18Z,  -0.30,  -5.77,  99.90,  -6.42,  -0.35,
10/19 19Z,  -0.30,  -6.17,  99.90,  -6.82,  -0.35,
10/19 20Z,  -0.20,  -6.70,  99.90,  -7.24,  -0.35,
10/19 21Z,  -0.20,  -7.17,  99.90,  -7.72,  -0.35,
10/19 22Z,  -0.10,  -7.44,  99.90,  -7.89,  -0.35,  (min)
10/19 23Z,  -0.10,  -7.41,  99.90,  -7.86,  -0.35,
10/20 00Z,  -0.10,  -7.09,  99.90,  -7.53,  -0.35,
10/20 01Z,  -0.10,  -6.56,  99.90,  -7.00,  -0.35,
10/20 02Z,  -0.10,  -5.98,  99.90,  -6.42,  -0.35,
10/20 03Z,  -0.10,  -5.53,  99.90,  -5.98,  -0.35,
10/20 04Z,  -0.10,  -5.40,  99.90,  -5.84,  -0.35,  (max)
10/20 05Z,  -0.10,  -5.68,  99.90,  -6.12,  -0.35,
10/20 06Z,  -0.10,  -6.38,  99.90,  -6.83,  -0.35,
10/20 07Z,  -0.10,  -7.41,  99.90,  -7.86,  -0.35,
10/20 08Z,   0.00,  -8.58,  99.90,  -8.93,  -0.35,
10/20 09Z,   0.00,  -9.67,  99.90, -10.02,  -0.35,
10/20 10Z,   0.10, -10.44,  99.90, -10.69,  -0.35,
10/20 11Z,   0.10, -10.73,  99.90, -10.97,  -0.35,  (min)
10/20 12Z,   0.20, -10.45,  99.90, -10.60,  -0.35,
10/20 13Z,   0.20,  -9.66,  99.90,  -9.81,  -0.35,
10/20 14Z,   0.30,  -8.52,  99.90,  -8.57,  -0.35,
10/20 15Z,   0.20,  -7.26,  99.90,  -7.41,  -0.35,
10/20 16Z,   0.20,  -6.15,  99.90,  -6.29,  -0.35,
10/20 17Z,   0.20,  -5.40,  99.90,  -5.54,  -0.35,
10/20 18Z,   0.20,  -5.14,  99.90,  -5.28,  -0.35,
10/20 19Z,  99.90,  -5.39,  99.90,  99.90,  -0.35,
10/20 20Z,  99.90,  -6.03,  99.90,  99.90,  -0.35,
10/20 21Z,  99.90,  -6.87,  99.90,  99.90,  -0.35,
10/20 22Z,  99.90,  -7.65,  99.90,  99.90,  -0.35,
10/20 23Z,  99.90,  -8.17,  99.90,  99.90,  -0.35,
10/21 00Z,  99.90,  -8.26,  99.90,  99.90,  -0.35,