EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Sitka, AK : 02/18/2026 18:23:26 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 00Z,  -1.40,  -4.38,  -4.98,  99.90,   0.80,
02/17 01Z,  -1.40,  -7.01,  -7.67,  99.90,   0.74,
02/17 02Z,  -1.50,  -9.23,  -9.90,  99.90,   0.83,
02/17 03Z,  -1.60, -10.54, -11.26,  99.90,   0.88,
02/17 04Z,  -1.60, -10.64, -11.47,  99.90,   0.77,  (min)
02/17 05Z,  -1.60,  -9.52, -10.33,  99.90,   0.79,
02/17 06Z,  -1.30,  -7.49,  -8.38,  99.90,   0.41,
02/17 07Z,  -1.30,  -5.02,  -5.86,  99.90,   0.46,
02/17 08Z,  -1.30,  -2.71,  -3.48,  99.90,   0.53,
02/17 09Z,  -1.20,  -1.09,  -1.91,  99.90,   0.38,
02/17 10Z,  -1.20,  -0.51,  -1.11,  99.90,   0.60,  (max)
02/17 11Z,  -1.20,  -1.04,  -1.59,  99.90,   0.65,
02/17 12Z,  -0.90,  -2.46,  -3.03,  99.90,   0.33,
02/17 13Z,  -0.80,  -4.32,  -4.80,  99.90,   0.32,
02/17 14Z,  -0.80,  -6.05,  -6.53,  99.90,   0.32,
02/17 15Z,  -0.90,  -7.15,  -7.66,  99.90,   0.39,
02/17 16Z,  -0.90,  -7.28,  -7.87,  99.90,   0.31,  (min)
02/17 17Z,  -1.00,  -6.36,  -6.94,  99.90,   0.42,
02/17 18Z,  -0.70,  -4.61,  -5.22,  99.90,   0.09,
02/17 19Z,  -0.70,  -2.49,  -3.10,  99.90,   0.09,
02/17 20Z,  -0.70,  -0.59,  -1.24,  99.90,   0.05,
02/17 21Z,  -0.70,   0.56,  -0.00,  99.90,   0.14,
02/17 22Z,  -0.80,   0.58,   0.07,  99.90,   0.29,  (max)
02/17 23Z,  -0.80,  -0.61,  -1.12,  99.90,   0.29,
02/18 00Z,  -0.70,  -2.81,  -3.26,  99.90,   0.25,
02/18 01Z,  -0.70,  -5.53,  -6.06,  99.90,   0.17,
02/18 02Z,  -0.80,  -8.16,  -8.71,  99.90,   0.25,
02/18 03Z,  -0.90, -10.08, -10.68,  99.90,   0.30,
02/18 04Z,  -0.90, -10.85, -11.50,  99.90,   0.25,  (min)
02/18 05Z,  -0.90, -10.28, -10.98,  99.90,   0.20,
02/18 06Z,  -0.80,  -8.54,  -9.30,  99.90,   0.04,
02/18 07Z,  -0.90,  -6.05,  -6.92,  99.90,   0.03,
02/18 08Z,  -1.00,  -3.42,  -4.28,  99.90,   0.14,
02/18 09Z,  -1.10,  -1.28,  -2.11,  99.90,   0.27,
02/18 10Z,  -1.10,  -0.12,  -0.95,  99.90,   0.27,
02/18 11Z,  -1.00,  -0.18,  -0.91,  99.90,   0.27,  (max)
02/18 12Z,  -0.90,  -1.38,  -2.10,  99.90,   0.18,
02/18 13Z,  -1.00,  -3.34,  -4.08,  99.90,   0.26,
02/18 14Z,  -1.00,  -5.49,  -6.29,  99.90,   0.20,
02/18 15Z,  -1.00,  -7.23,  -8.06,  99.90,   0.17,
02/18 16Z,  -1.00,  -8.06,  -8.90,  99.90,   0.16,  (min)
02/18 17Z,  -1.00,  -7.75,  -8.55,  99.90,   0.20,
02/18 18Z,  -0.90,  -6.35,  -7.27,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/18 19Z,  -0.80,  -4.23,  99.90,  -5.05,  -0.02,
02/18 20Z,  -0.70,  -1.96,  99.90,  -2.68,  -0.02,
02/18 21Z,  -0.70,  -0.16,  99.90,  -0.87,  -0.01,
02/18 22Z,  -0.70,   0.66,  99.90,  -0.05,  -0.01,  (max)
02/18 23Z,  -0.70,   0.23,  99.90,  -0.48,  -0.01,
02/19 00Z,  -0.70,  -1.40,  99.90,  -2.11,  -0.01,
02/19 01Z,  -0.70,  -3.89,  99.90,  -4.60,  -0.01,
02/19 02Z,  -0.70,  -6.65,  99.90,  -7.36,  -0.00,
02/19 03Z,  -0.70,  -9.02,  99.90,  -9.72,  -0.00,
02/19 04Z,  -0.70, -10.43,  99.90, -11.13,  -0.00,
02/19 05Z,  -0.70, -10.53,  99.90, -11.22,   0.00,  (min)
02/19 06Z,  -0.60,  -9.30,  99.90,  -9.90,   0.00,
02/19 07Z,  -0.60,  -7.05,  99.90,  -7.64,   0.00,
02/19 08Z,  -0.60,  -4.33,  99.90,  -4.92,   0.00,
02/19 09Z,  -0.50,  -1.80,  99.90,  -2.30,   0.00,
02/19 10Z,  -0.50,  -0.08,  99.90,  -0.57,   0.00,
02/19 11Z,  -0.40,   0.45,  99.90,   0.06,   0.00,  (max)
02/19 12Z,  -0.40,  -0.30,  99.90,  -0.70,   0.00,
02/19 13Z,  -0.30,  -2.10,  99.90,  -2.40,   0.00,
02/19 14Z,  -0.30,  -4.44,  99.90,  -4.74,   0.00,
02/19 15Z,  -0.30,  -6.70,  99.90,  -7.00,   0.00,
02/19 16Z,  -0.40,  -8.26,  99.90,  -8.66,   0.00,
02/19 17Z,  -0.40,  -8.71,  99.90,  -9.11,   0.00,  (min)
02/19 18Z,  -0.40,  -7.95,  99.90,  -8.34,   0.00,
02/19 19Z,  -0.50,  -6.16,  99.90,  -6.66,   0.00,
02/19 20Z,  -0.50,  -3.84,  99.90,  -4.34,   0.00,
02/19 21Z,  -0.50,  -1.60,  99.90,  -2.10,   0.00,
02/19 22Z,  -0.50,  -0.05,  99.90,  -0.55,   0.00,
02/19 23Z,  -0.40,   0.38,  99.90,  -0.02,   0.00,  (max)
02/20 00Z,  -0.40,  -0.46,  99.90,  -0.86,   0.00,
02/20 01Z,  -0.30,  -2.39,  99.90,  -2.69,   0.00,
02/20 02Z,  -0.30,  -4.94,  99.90,  -5.24,   0.00,
02/20 03Z,  -0.20,  -7.48,  99.90,  -7.68,   0.00,
02/20 04Z,  -0.20,  -9.38,  99.90,  -9.57,   0.00,
02/20 05Z,  -0.30, -10.14,  99.90, -10.44,   0.00,  (min)
02/20 06Z,  -0.30,  -9.57,  99.90,  -9.87,   0.00,
02/20 07Z,  -0.30,  -7.81,  99.90,  -8.11,   0.00,
02/20 08Z,  -0.30,  -5.28,  99.90,  -5.57,   0.00,
02/20 09Z,  -0.30,  -2.60,  99.90,  -2.89,   0.00,
02/20 10Z,  -0.20,  -0.42,  99.90,  -0.62,   0.00,
02/20 11Z,  -0.20,   0.72,  99.90,   0.52,   0.00,  (max)
02/20 12Z,  -0.10,   0.57,  99.90,   0.47,   0.00,
02/20 13Z,   0.00,  -0.81,  99.90,  -0.81,   0.00,
02/20 14Z,   0.00,  -3.06,  99.90,  -3.05,   0.00,
02/20 15Z,   0.00,  -5.58,  99.90,  -5.58,   0.00,
02/20 16Z,   0.00,  -7.74,  99.90,  -7.74,   0.00,
02/20 17Z,   0.00,  -9.00,  99.90,  -9.00,   0.00,
02/20 18Z,   0.00,  -9.05,  99.90,  -9.05,   0.00,  (min)
02/20 19Z,   0.00,  -7.92,  99.90,  -7.92,   0.00,
02/20 20Z,   0.00,  -5.91,  99.90,  -5.91,   0.00,
02/20 21Z,   0.00,  -3.58,  99.90,  -3.57,   0.00,
02/20 22Z,   0.00,  -1.53,  99.90,  -1.53,   0.00,
02/20 23Z,   0.00,  -0.32,  99.90,  -0.32,   0.00,
02/21 00Z,   0.00,  -0.26,  99.90,  -0.26,   0.00,  (max)
02/21 01Z,   0.00,  -1.37,  99.90,  -1.37,   0.00,
02/21 02Z,   0.00,  -3.37,  99.90,  -3.37,   0.00,
02/21 03Z,   0.00,  -5.74,  99.90,  -5.73,   0.00,
02/21 04Z,   0.00,  -7.84,  99.90,  -7.84,   0.00,
02/21 05Z,  -0.10,  -9.14,  99.90,  -9.23,   0.00,
02/21 06Z,  -0.20,  -9.26,  99.90,  -9.46,   0.00,  (min)
02/21 07Z,  -0.30,  -8.16,  99.90,  -8.46,   0.00,
02/21 08Z,  -0.30,  -6.09,  99.90,  -6.38,   0.00,
02/21 09Z,  -0.40,  -3.54,  99.90,  -3.94,   0.00,
02/21 10Z,  -0.40,  -1.14,  99.90,  -1.54,   0.00,
02/21 11Z,  -0.30,   0.51,  99.90,   0.22,   0.00,
02/21 12Z,  -0.20,   1.03,  99.90,   0.83,   0.00,  (max)
02/21 13Z,  -0.20,   0.27,  99.90,   0.08,   0.00,
02/21 14Z,  -0.20,  -1.56,  99.90,  -1.76,   0.00,
02/21 15Z,  -0.20,  -4.02,  99.90,  -4.22,   0.00,
02/21 16Z,  -0.20,  -6.51,  99.90,  -6.71,   0.00,
02/21 17Z,  -0.20,  -8.44,  99.90,  -8.64,   0.00,
02/21 18Z,  -0.10,  -9.37,  99.90,  -9.47,   0.00,  (min)
02/21 19Z,  -0.10,  -9.11,  99.90,  -9.20,   0.00,
02/21 20Z,  -0.10,  -7.77,  99.90,  -7.87,   0.00,
02/21 21Z,  -0.10,  -5.74,  99.90,  -5.84,   0.00,
02/21 22Z,  -0.10,  -3.57,  99.90,  -3.67,   0.00,
02/21 23Z,   0.00,  -1.83,  99.90,  -1.82,   0.00,
02/22 00Z,   0.00,  -0.94,  99.90,  -0.94,   0.00,  (max)
02/22 01Z,   0.10,  -1.13,  99.90,  -1.03,   0.00,
02/22 02Z,   0.10,  -2.31,  99.90,  -2.21,   0.00,
02/22 03Z,   0.10,  -4.14,  99.90,  -4.04,   0.00,
02/22 04Z,   0.10,  -6.11,  99.90,  -6.01,   0.00,
02/22 05Z,   0.00,  -7.67,  99.90,  -7.66,   0.00,
02/22 06Z,   0.00,  -8.37,  99.90,  -8.36,   0.00,  (min)
02/22 07Z,   0.00,  -7.98,  99.90,  -7.98,   0.00,
02/22 08Z,   0.20,  -6.58,  99.90,  -6.37,   0.00,
02/22 09Z,   0.30,  -4.46,  99.90,  -4.16,   0.00,
02/22 10Z,   0.40,  -2.14,  99.90,  -1.74,   0.00,
02/22 11Z,   0.50,  -0.19,  99.90,   0.32,   0.00,
02/22 12Z,   0.70,   0.92,  99.90,   1.62,   0.00,