EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Sitka, AK : 04/15/2026 06:23:27 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 12Z,   0.30,  -6.47,  -6.34,  99.90,  -0.17,
04/13 13Z,   0.30,  -6.61,  -6.58,  99.90,  -0.27,  (min)
04/13 14Z,   0.30,  -6.12,  -6.09,  99.90,  -0.27,
04/13 15Z,   0.30,  -5.11,  -5.17,  99.90,  -0.36,
04/13 16Z,   0.20,  -3.85,  -3.98,  99.90,  -0.33,
04/13 17Z,   0.30,  -2.70,  -2.83,  99.90,  -0.43,
04/13 18Z,   0.40,  -1.99,  -2.09,  99.90,  -0.50,
04/13 19Z,   0.40,  -1.97,  -2.05,  99.90,  -0.48,  (max)
04/13 20Z,   0.40,  -2.70,  -2.79,  99.90,  -0.49,
04/13 21Z,   0.40,  -4.06,  -4.13,  99.90,  -0.47,
04/13 22Z,   0.30,  -5.75,  -5.79,  99.90,  -0.34,
04/13 23Z,   0.30,  -7.38,  -7.40,  99.90,  -0.32,
04/14 00Z,   0.40,  -8.56,  -8.56,  99.90,  -0.40,
04/14 01Z,   0.40,  -8.98,  -9.01,  99.90,  -0.43,  (min)
04/14 02Z,   0.30,  -8.52,  -8.56,  99.90,  -0.34,
04/14 03Z,   0.30,  -7.28,  -7.34,  99.90,  -0.36,
04/14 04Z,   0.30,  -5.54,  -5.60,  99.90,  -0.36,
04/14 05Z,   0.20,  -3.69,  -3.71,  99.90,  -0.22,
04/14 06Z,   0.30,  -2.18,  -2.12,  99.90,  -0.24,
04/14 07Z,   0.30,  -1.36,  -1.30,  99.90,  -0.24,  (max)
04/14 08Z,   0.20,  -1.42,  -1.34,  99.90,  -0.12,
04/14 09Z,   0.20,  -2.33,  -2.15,  99.90,  -0.02,
04/14 10Z,   0.20,  -3.83,  -3.60,  99.90,   0.03,
04/14 11Z,   0.10,  -5.53,  -5.29,  99.90,   0.14,
04/14 12Z,   0.20,  -6.98,  -6.76,  99.90,   0.02,
04/14 13Z,   0.20,  -7.82,  -7.64,  99.90,  -0.02,
04/14 14Z,   0.20,  -7.80,  -7.71,  99.90,  -0.11,  (min)
04/14 15Z,   0.10,  -6.94,  -6.93,  99.90,  -0.09,
04/14 16Z,   0.10,  -5.46,  -5.45,  99.90,  -0.09,
04/14 17Z,   0.00,  -3.75,  -3.81,  99.90,  -0.06,
04/14 18Z,   0.10,  -2.28,  -2.37,  99.90,  -0.19,
04/14 19Z,   0.10,  -1.44,  -1.54,  99.90,  -0.20,  (max)
04/14 20Z,   0.10,  -1.50,  -1.58,  99.90,  -0.18,
04/14 21Z,   0.10,  -2.47,  -2.58,  99.90,  -0.21,
04/14 22Z,   0.00,  -4.14,  -4.19,  99.90,  -0.05,
04/14 23Z,   0.00,  -6.09,  -6.18,  99.90,  -0.09,
04/15 00Z,   0.10,  -7.85,  -7.96,  99.90,  -0.21,
04/15 01Z,   0.00,  -8.94,  -9.15,  99.90,  -0.21,
04/15 02Z,   0.00,  -9.08,  -9.33,  99.90,  -0.25,  (min)
04/15 03Z,   0.00,  -8.20,  -8.50,  99.90,  -0.30,
04/15 04Z,   0.00,  -6.49,  -6.81,  99.90,  -0.32,
04/15 05Z,   0.00,  -4.35,  -4.78,  99.90,  -0.43,
04/15 06Z,   0.00,  -2.32,  -2.69,  99.90,  -0.37,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 07Z,   0.00,  -0.89,  99.90,  -1.24,  -0.36,
04/15 08Z,   0.00,  -0.42,  99.90,  -0.76,  -0.34,  (max)
04/15 09Z,   0.00,  -1.04,  99.90,  -1.37,  -0.33,
04/15 10Z,   0.00,  -2.60,  99.90,  -2.91,  -0.32,
04/15 11Z,   0.00,  -4.71,  99.90,  -5.01,  -0.30,
04/15 12Z,   0.00,  -6.86,  99.90,  -7.15,  -0.29,
04/15 13Z,   0.00,  -8.50,  99.90,  -8.77,  -0.28,
04/15 14Z,   0.00,  -9.22,  99.90,  -9.48,  -0.26,  (min)
04/15 15Z,   0.00,  -8.86,  99.90,  -9.10,  -0.25,
04/15 16Z,   0.00,  -7.50,  99.90,  -7.73,  -0.24,
04/15 17Z,  -0.10,  -5.50,  99.90,  -5.82,  -0.22,
04/15 18Z,  -0.10,  -3.39,  99.90,  -3.69,  -0.21,
04/15 19Z,  -0.10,  -1.70,  99.90,  -2.01,  -0.21,
04/15 20Z,  -0.10,  -0.89,  99.90,  -1.19,  -0.21,  (max)
04/15 21Z,  -0.20,  -1.15,  99.90,  -1.56,  -0.21,
04/15 22Z,  -0.20,  -2.44,  99.90,  -2.85,  -0.21,
04/15 23Z,  -0.20,  -4.41,  99.90,  -4.82,  -0.21,
04/16 00Z,  -0.20,  -6.54,  99.90,  -6.95,  -0.21,
04/16 01Z,  -0.20,  -8.26,  99.90,  -8.67,  -0.21,
04/16 02Z,  -0.20,  -9.11,  99.90,  -9.51,  -0.21,  (min)
04/16 03Z,  -0.20,  -8.81,  99.90,  -9.22,  -0.21,
04/16 04Z,  -0.20,  -7.43,  99.90,  -7.84,  -0.21,
04/16 05Z,  -0.20,  -5.27,  99.90,  -5.68,  -0.21,
04/16 06Z,  -0.20,  -2.87,  99.90,  -3.28,  -0.21,
04/16 07Z,  -0.20,  -0.84,  99.90,  -1.24,  -0.21,
04/16 08Z,  -0.20,   0.30,  99.90,  -0.11,  -0.21,  (max)
04/16 09Z,  -0.20,   0.23,  99.90,  -0.18,  -0.21,
04/16 10Z,  -0.30,  -1.07,  99.90,  -1.58,  -0.21,
04/16 11Z,  -0.20,  -3.31,  99.90,  -3.72,  -0.21,
04/16 12Z,  -0.20,  -5.96,  99.90,  -6.37,  -0.21,
04/16 13Z,  -0.30,  -8.38,  99.90,  -8.89,  -0.21,
04/16 14Z,  -0.30, -10.01,  99.90, -10.51,  -0.21,
04/16 15Z,  -0.30, -10.44,  99.90, -10.95,  -0.21,  (min)
04/16 16Z,  -0.30,  -9.60,  99.90, -10.11,  -0.21,
04/16 17Z,  -0.30,  -7.71,  99.90,  -8.22,  -0.21,
04/16 18Z,  -0.30,  -5.26,  99.90,  -5.76,  -0.21,
04/16 19Z,  -0.20,  -2.86,  99.90,  -3.27,  -0.21,
04/16 20Z,  -0.20,  -1.13,  99.90,  -1.53,  -0.21,
04/16 21Z,  -0.20,  -0.47,  99.90,  -0.88,  -0.21,  (max)
04/16 22Z,  -0.20,  -1.03,  99.90,  -1.44,  -0.21,
04/16 23Z,  -0.20,  -2.63,  99.90,  -3.04,  -0.21,
04/17 00Z,  -0.20,  -4.81,  99.90,  -5.22,  -0.21,
04/17 01Z,  -0.20,  -6.96,  99.90,  -7.37,  -0.21,
04/17 02Z,  -0.20,  -8.48,  99.90,  -8.89,  -0.21,
04/17 03Z,  -0.20,  -8.93,  99.90,  -9.34,  -0.21,  (min)
04/17 04Z,  -0.20,  -8.14,  99.90,  -8.55,  -0.21,
04/17 05Z,  -0.20,  -6.28,  99.90,  -6.69,  -0.21,
04/17 06Z,  -0.20,  -3.80,  99.90,  -4.20,  -0.21,
04/17 07Z,  -0.30,  -1.32,  99.90,  -1.83,  -0.21,
04/17 08Z,  -0.20,   0.49,  99.90,   0.08,  -0.21,
04/17 09Z,  -0.20,   1.15,  99.90,   0.74,  -0.21,  (max)
04/17 10Z,  -0.20,   0.43,  99.90,   0.02,  -0.21,
04/17 11Z,  -0.20,  -1.55,  99.90,  -1.96,  -0.21,
04/17 12Z,  -0.20,  -4.36,  99.90,  -4.76,  -0.21,
04/17 13Z,  -0.20,  -7.35,  99.90,  -7.76,  -0.21,
04/17 14Z,  -0.20,  -9.84,  99.90, -10.25,  -0.21,
04/17 15Z,  -0.30, -11.25,  99.90, -11.76,  -0.21,
04/17 16Z,  -0.30, -11.27,  99.90, -11.78,  -0.21,  (min)
04/17 17Z,  -0.30,  -9.93,  99.90, -10.44,  -0.21,
04/17 18Z,  -0.30,  -7.58,  99.90,  -8.09,  -0.21,
04/17 19Z,  -0.30,  -4.82,  99.90,  -5.33,  -0.21,
04/17 20Z,  -0.30,  -2.33,  99.90,  -2.84,  -0.21,
04/17 21Z,  -0.30,  -0.71,  99.90,  -1.22,  -0.21,
04/17 22Z,  -0.20,  -0.31,  99.90,  -0.72,  -0.21,  (max)
04/17 23Z,  -0.20,  -1.17,  99.90,  -1.58,  -0.21,
04/18 00Z,  -0.10,  -3.00,  99.90,  -3.30,  -0.21,
04/18 01Z,  -0.10,  -5.24,  99.90,  -5.54,  -0.21,
04/18 02Z,  -0.10,  -7.24,  99.90,  -7.55,  -0.21,
04/18 03Z,  -0.10,  -8.42,  99.90,  -8.72,  -0.21,  (min)
04/18 04Z,  -0.10,  -8.40,  99.90,  -8.71,  -0.21,
04/18 05Z,  -0.20,  -7.14,  99.90,  -7.55,  -0.21,
04/18 06Z,  -0.20,  -4.93,  99.90,  -5.34,  -0.21,
04/18 07Z,  -0.20,  -2.32,  99.90,  -2.73,  -0.21,
04/18 08Z,  -0.20,   0.01,  99.90,  -0.39,  -0.21,
04/18 09Z,  -0.20,   1.44,  99.90,   1.03,  -0.21,
04/18 10Z,  -0.10,   1.53,  99.90,   1.22,  -0.21,  (max)
04/18 11Z,  -0.10,   0.18,  99.90,  -0.13,  -0.21,
04/18 12Z,   0.00,  -2.35,  99.90,  -2.56,  -0.21,
04/18 13Z,   0.00,  -5.53,  99.90,  -5.73,  -0.21,
04/18 14Z,   0.00,  -8.63,  99.90,  -8.84,  -0.21,
04/18 15Z,   0.00, -10.98,  99.90, -11.18,  -0.21,
04/18 16Z,   0.00, -12.04,  99.90, -12.25,  -0.21,  (min)
04/18 17Z,  -0.10, -11.62,  99.90, -11.93,  -0.21,
04/18 18Z,  -0.10,  -9.86,  99.90, -10.17,  -0.21,
04/18 19Z,  -0.10,  -7.22,  99.90,  -7.53,  -0.21,
04/18 20Z,  -0.10,  -4.36,  99.90,  -4.67,  -0.21,
04/18 21Z,   0.00,  -1.96,  99.90,  -2.17,  -0.21,
04/18 22Z,   0.00,  -0.57,  99.90,  -0.78,  -0.21,
04/18 23Z,   0.00,  -0.46,  99.90,  -0.67,  -0.21,  (max)
04/19 00Z,   0.00,  -1.55,  99.90,  -1.76,  -0.21,