EXTRA-TROPICAL  STORM  SURGE
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Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 04/13/2026 19:22:46 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 00Z,  -0.20, -12.25, -12.12,  99.90,   0.33,  (min)
04/12 01Z,  -0.20, -11.21, -11.05,  99.90,   0.36,
04/12 02Z,  -0.20,  -9.57,  -9.43,  99.90,   0.34,
04/12 03Z,  -0.20,  -7.67,  -7.52,  99.90,   0.35,
04/12 04Z,  -0.20,  -5.92,  -5.76,  99.90,   0.36,
04/12 05Z,  -0.30,  -4.71,  -4.51,  99.90,   0.50,
04/12 06Z,  -0.20,  -4.28,  -4.01,  99.90,   0.47,  (max)
04/12 07Z,  -0.20,  -4.71,  -4.39,  99.90,   0.52,
04/12 08Z,  -0.20,  -5.82,  -5.46,  99.90,   0.56,
04/12 09Z,  -0.20,  -7.28,  -6.92,  99.90,   0.56,
04/12 10Z,  -0.20,  -8.66,  -8.32,  99.90,   0.54,
04/12 11Z,  -0.30,  -9.55,  -9.25,  99.90,   0.60,
04/12 12Z,  -0.10,  -9.67,  -9.40,  99.90,   0.37,  (min)
04/12 13Z,  -0.20,  -8.98,  -8.75,  99.90,   0.43,
04/12 14Z,  -0.20,  -7.62,  -7.42,  99.90,   0.40,
04/12 15Z,  -0.30,  -5.96,  -5.82,  99.90,   0.44,
04/12 16Z,  -0.30,  -4.45,  -4.36,  99.90,   0.39,
04/12 17Z,  -0.40,  -3.54,  -3.46,  99.90,   0.48,
04/12 18Z,  -0.20,  -3.52,  -3.44,  99.90,   0.28,  (max)
04/12 19Z,  -0.20,  -4.51,  -4.33,  99.90,   0.38,
04/12 20Z,  -0.20,  -6.32,  -6.09,  99.90,   0.43,
04/12 21Z,  -0.20,  -8.61,  -8.29,  99.90,   0.52,
04/12 22Z,  -0.20, -10.85, -10.51,  99.90,   0.54,
04/12 23Z,  -0.10, -12.54, -12.17,  99.90,   0.47,
04/13 00Z,   0.00, -13.29, -13.01,  99.90,   0.28,  (min)
04/13 01Z,   0.00, -12.91, -12.69,  99.90,   0.22,
04/13 02Z,   0.00, -11.47, -11.32,  99.90,   0.15,
04/13 03Z,  -0.10,  -9.29,  -9.13,  99.90,   0.26,
04/13 04Z,  -0.10,  -6.85,  -6.66,  99.90,   0.29,
04/13 05Z,  -0.10,  -4.70,  -4.45,  99.90,   0.35,
04/13 06Z,   0.10,  -3.34,  -3.05,  99.90,   0.19,
04/13 07Z,   0.00,  -3.09,  -2.70,  99.90,   0.39,  (max)
04/13 08Z,   0.00,  -3.99,  -3.49,  99.90,   0.50,
04/13 09Z,   0.00,  -5.78,  -5.19,  99.90,   0.59,
04/13 10Z,   0.00,  -7.97,  -7.44,  99.90,   0.53,
04/13 11Z,   0.00,  -9.95,  -9.52,  99.90,   0.43,
04/13 12Z,   0.20, -11.17, -10.79,  99.90,   0.18,
04/13 13Z,   0.20, -11.27, -11.00,  99.90,   0.07,  (min)
04/13 14Z,   0.10, -10.21, -10.00,  99.90,   0.11,
04/13 15Z,   0.10,  -8.27,  -8.09,  99.90,   0.08,
04/13 16Z,   0.00,  -5.95,  -5.81,  99.90,   0.14,
04/13 17Z,   0.00,  -3.88,  -3.71,  99.90,   0.17,
04/13 18Z,   0.10,  -2.64,  -2.53,  99.90,   0.01,
04/13 19Z,   0.10,  -2.61,  -2.45,  99.90,   0.06,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/13 20Z,   0.20,  -3.86,  99.90,  -3.59,   0.07,
04/13 21Z,   0.30,  -6.17,  99.90,  -5.78,   0.09,
04/13 22Z,   0.40,  -8.99,  99.90,  -8.49,   0.11,
04/13 23Z,   0.40, -11.67,  99.90, -11.15,   0.12,
04/14 00Z,   0.40, -13.53,  99.90, -12.99,   0.14,
04/14 01Z,   0.30, -14.11,  99.90, -13.65,   0.15,  (min)
04/14 02Z,   0.30, -13.24,  99.90, -12.77,   0.17,
04/14 03Z,   0.30, -11.13,  99.90, -10.64,   0.19,
04/14 04Z,   0.20,  -8.25,  99.90,  -7.85,   0.20,
04/14 05Z,   0.20,  -5.29,  99.90,  -4.87,   0.22,
04/14 06Z,   0.10,  -2.93,  99.90,  -2.60,   0.23,
04/14 07Z,   0.10,  -1.75,  99.90,  -1.40,   0.25,  (max)
04/14 08Z,   0.10,  -2.04,  99.90,  -1.68,   0.25,
04/14 09Z,   0.10,  -3.74,  99.90,  -3.39,   0.25,
04/14 10Z,   0.10,  -6.43,  99.90,  -6.08,   0.25,
04/14 11Z,   0.00,  -9.41,  99.90,  -9.16,   0.25,
04/14 12Z,   0.10, -11.87,  99.90, -11.52,   0.25,
04/14 13Z,   0.10, -13.15,  99.90, -12.80,   0.25,  (min)
04/14 14Z,   0.10, -12.88,  99.90, -12.53,   0.25,
04/14 15Z,   0.10, -11.15,  99.90, -10.80,   0.25,
04/14 16Z,   0.10,  -8.41,  99.90,  -8.06,   0.25,
04/14 17Z,   0.10,  -5.39,  99.90,  -5.04,   0.25,
04/14 18Z,   0.00,  -2.88,  99.90,  -2.62,   0.25,
04/14 19Z,   0.00,  -1.54,  99.90,  -1.29,   0.25,  (max)
04/14 20Z,   0.00,  -1.75,  99.90,  -1.50,   0.25,
04/14 21Z,   0.00,  -3.52,  99.90,  -3.27,   0.25,
04/14 22Z,   0.00,  -6.45,  99.90,  -6.20,   0.25,
04/14 23Z,   0.00,  -9.82,  99.90,  -9.57,   0.25,
04/15 00Z,   0.00, -12.77,  99.90, -12.51,   0.25,
04/15 01Z,   0.00, -14.51,  99.90, -14.26,   0.25,
04/15 02Z,   0.00, -14.59,  99.90, -14.33,   0.25,  (min)
04/15 03Z,   0.00, -12.96,  99.90, -12.71,   0.25,
04/15 04Z,   0.00, -10.03,  99.90,  -9.78,   0.25,
04/15 05Z,   0.00,  -6.50,  99.90,  -6.25,   0.25,
04/15 06Z,   0.00,  -3.22,  99.90,  -2.96,   0.25,
04/15 07Z,  -0.10,  -0.96,  99.90,  -0.81,   0.25,
04/15 08Z,  -0.10,  -0.31,  99.90,  -0.16,   0.25,  (max)
04/15 09Z,  -0.10,  -1.45,  99.90,  -1.30,   0.25,
04/15 10Z,  -0.10,  -4.17,  99.90,  -4.02,   0.25,
04/15 11Z,  -0.10,  -7.81,  99.90,  -7.66,   0.25,
04/15 12Z,  -0.10, -11.45,  99.90, -11.30,   0.25,
04/15 13Z,  -0.10, -14.12,  99.90, -13.96,   0.25,
04/15 14Z,  -0.10, -15.10,  99.90, -14.95,   0.25,  (min)
04/15 15Z,  -0.20, -14.16,  99.90, -14.11,   0.25,
04/15 16Z,  -0.20, -11.56,  99.90, -11.51,   0.25,
04/15 17Z,  -0.30,  -8.01,  99.90,  -8.05,   0.25,
04/15 18Z,  -0.30,  -4.41,  99.90,  -4.46,   0.25,
04/15 19Z,  -0.40,  -1.69,  99.90,  -1.84,   0.25,
04/15 20Z,  -0.40,  -0.51,  99.90,  -0.66,   0.25,  (max)
04/15 21Z,  -0.40,  -1.20,  99.90,  -1.35,   0.25,
04/15 22Z,  -0.40,  -3.62,  99.90,  -3.77,   0.25,
04/15 23Z,  -0.30,  -7.17,  99.90,  -7.22,   0.25,
04/16 00Z,  -0.30, -10.91,  99.90, -10.96,   0.25,
04/16 01Z,  -0.20, -13.84,  99.90, -13.79,   0.25,
04/16 02Z,  -0.20, -15.15,  99.90, -15.09,   0.25,  (min)
04/16 03Z,  -0.10, -14.46,  99.90, -14.30,   0.25,
04/16 04Z,  -0.20, -11.95,  99.90, -11.90,   0.25,
04/16 05Z,  -0.20,  -8.26,  99.90,  -8.21,   0.25,
04/16 06Z,  -0.30,  -4.29,  99.90,  -4.34,   0.25,
04/16 07Z,  -0.40,  -1.01,  99.90,  -1.15,   0.25,
04/16 08Z,  -0.50,   0.80,  99.90,   0.55,   0.25,  (max)
04/16 09Z,  -0.50,   0.64,  99.90,   0.39,   0.25,
04/16 10Z,  -0.50,  -1.54,  99.90,  -1.79,   0.25,
04/16 11Z,  -0.40,  -5.30,  99.90,  -5.45,   0.25,
04/16 12Z,  -0.30,  -9.74,  99.90,  -9.79,   0.25,
04/16 13Z,  -0.30, -13.75,  99.90, -13.80,   0.25,
04/16 14Z,  -0.20, -16.27,  99.90, -16.22,   0.25,
04/16 15Z,  -0.20, -16.66,  99.90, -16.61,   0.25,  (min)
04/16 16Z,  -0.30, -14.86,  99.90, -14.91,   0.25,
04/16 17Z,  -0.30, -11.39,  99.90, -11.44,   0.25,
04/16 18Z,  -0.40,  -7.18,  99.90,  -7.33,   0.25,
04/16 19Z,  -0.40,  -3.26,  99.90,  -3.41,   0.25,
04/16 20Z,  -0.40,  -0.60,  99.90,  -0.75,   0.25,
04/16 21Z,  -0.40,   0.18,  99.90,   0.03,   0.25,  (max)
04/16 22Z,  -0.40,  -1.12,  99.90,  -1.27,   0.25,
04/16 23Z,  -0.30,  -4.17,  99.90,  -4.22,   0.25,
04/17 00Z,  -0.20,  -8.18,  99.90,  -8.12,   0.25,
04/17 01Z,  -0.20, -12.02,  99.90, -11.97,   0.25,
04/17 02Z,  -0.10, -14.61,  99.90, -14.46,   0.25,
04/17 03Z,  -0.20, -15.21,  99.90, -15.15,   0.25,  (min)
04/17 04Z,  -0.20, -13.63,  99.90, -13.58,   0.25,
04/17 05Z,  -0.30, -10.31,  99.90, -10.36,   0.25,
04/17 06Z,  -0.40,  -6.09,  99.90,  -6.24,   0.25,
04/17 07Z,  -0.50,  -2.01,  99.90,  -2.26,   0.25,
04/17 08Z,  -0.50,   0.94,  99.90,   0.69,   0.25,
04/17 09Z,  -0.50,   2.03,  99.90,   1.78,   0.25,  (max)
04/17 10Z,  -0.50,   0.90,  99.90,   0.65,   0.25,
04/17 11Z,  -0.40,  -2.32,  99.90,  -2.47,   0.25,
04/17 12Z,  -0.30,  -6.95,  99.90,  -7.00,   0.25,