EXTRA-TROPICAL  STORM  SURGE
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Ketchikan, AK : 04/11/2026 07:22:50 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 12Z,  -0.60,  -3.76,  -4.40,  99.90,  -0.04,
04/09 13Z,  -0.60,  -3.03,  -3.65,  99.90,  -0.02,
04/09 14Z,  -0.60,  -3.10,  -3.65,  99.90,   0.05,  (max)
04/09 15Z,  -0.60,  -4.03,  -4.46,  99.90,   0.17,
04/09 16Z,  -0.60,  -5.67,  -6.06,  99.90,   0.21,
04/09 17Z,  -0.50,  -7.70,  -8.06,  99.90,   0.14,
04/09 18Z,  -0.50,  -9.69, -10.06,  99.90,   0.13,
04/09 19Z,  -0.50, -11.26, -11.73,  99.90,   0.03,
04/09 20Z,  -0.50, -12.12, -12.67,  99.90,  -0.05,
04/09 21Z,  -0.50, -12.18, -12.75,  99.90,  -0.07,  (min)
04/09 22Z,  -0.50, -11.49, -12.01,  99.90,  -0.02,
04/09 23Z,  -0.50, -10.25, -10.73,  99.90,   0.02,
04/10 00Z,  -0.50,  -8.75,  -9.10,  99.90,   0.15,
04/10 01Z,  -0.50,  -7.29,  -7.55,  99.90,   0.24,
04/10 02Z,  -0.50,  -6.18,  -6.40,  99.90,   0.28,
04/10 03Z,  -0.50,  -5.60,  -5.86,  99.90,   0.24,  (max)
04/10 04Z,  -0.50,  -5.64,  -5.90,  99.90,   0.24,
04/10 05Z,  -0.50,  -6.19,  -6.42,  99.90,   0.27,
04/10 06Z,  -0.50,  -7.02,  -7.26,  99.90,   0.26,
04/10 07Z,  -0.50,  -7.83,  -7.99,  99.90,   0.34,
04/10 08Z,  -0.50,  -8.33,  -8.49,  99.90,   0.34,
04/10 09Z,  -0.50,  -8.35,  -8.52,  99.90,   0.33,  (min)
04/10 10Z,  -0.50,  -7.82,  -8.05,  99.90,   0.27,
04/10 11Z,  -0.40,  -6.87,  -7.16,  99.90,   0.11,
04/10 12Z,  -0.40,  -5.70,  -6.02,  99.90,   0.08,
04/10 13Z,  -0.40,  -4.62,  -4.89,  99.90,   0.13,
04/10 14Z,  -0.40,  -3.92,  -4.15,  99.90,   0.17,
04/10 15Z,  -0.40,  -3.82,  -4.02,  99.90,   0.20,  (max)
04/10 16Z,  -0.40,  -4.44,  -4.61,  99.90,   0.23,
04/10 17Z,  -0.40,  -5.69,  -5.86,  99.90,   0.23,
04/10 18Z,  -0.40,  -7.37,  -7.58,  99.90,   0.19,
04/10 19Z,  -0.40,  -9.15,  -9.37,  99.90,   0.18,
04/10 20Z,  -0.40, -10.69, -10.91,  99.90,   0.18,
04/10 21Z,  -0.40, -11.71, -11.90,  99.90,   0.21,
04/10 22Z,  -0.40, -12.05, -12.23,  99.90,   0.22,  (min)
04/10 23Z,  -0.40, -11.67, -11.79,  99.90,   0.28,
04/11 00Z,  -0.30, -10.67, -10.77,  99.90,   0.20,
04/11 01Z,  -0.30,  -9.27,  -9.32,  99.90,   0.25,
04/11 02Z,  -0.30,  -7.74,  -7.76,  99.90,   0.28,
04/11 03Z,  -0.30,  -6.41,  -6.39,  99.90,   0.32,
04/11 04Z,  -0.30,  -5.52,  -5.48,  99.90,   0.34,
04/11 05Z,  -0.30,  -5.24,  -5.21,  99.90,   0.33,  (max)
04/11 06Z,  -0.40,  -5.56,  -5.44,  99.90,   0.52,
04/11 07Z,  -0.40,  -6.34,  -6.21,  99.90,   0.53,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 08Z,  -0.30,  -7.31,  99.90,  -7.11,   0.50,
04/11 09Z,  -0.30,  -8.14,  99.90,  -7.97,   0.46,
04/11 10Z,  -0.20,  -8.56,  99.90,  -8.33,   0.43,  (min)
04/11 11Z,  -0.20,  -8.43,  99.90,  -8.24,   0.40,
04/11 12Z,  -0.20,  -7.75,  99.90,  -7.59,   0.36,
04/11 13Z,  -0.20,  -6.66,  99.90,  -6.54,   0.33,
04/11 14Z,  -0.20,  -5.45,  99.90,  -5.36,   0.29,
04/11 15Z,  -0.20,  -4.46,  99.90,  -4.40,   0.26,
04/11 16Z,  -0.20,  -3.98,  99.90,  -3.95,   0.22,  (max)
04/11 17Z,  -0.30,  -4.22,  99.90,  -4.33,   0.19,
04/11 18Z,  -0.30,  -5.21,  99.90,  -5.36,   0.16,
04/11 19Z,  -0.40,  -6.81,  99.90,  -7.09,   0.12,
04/11 20Z,  -0.40,  -8.70,  99.90,  -8.98,   0.12,
04/11 21Z,  -0.40, -10.51,  99.90, -10.78,   0.12,
04/11 22Z,  -0.30, -11.86,  99.90, -12.04,   0.12,
04/11 23Z,  -0.30, -12.49,  99.90, -12.67,   0.12,  (min)
04/12 00Z,  -0.20, -12.25,  99.90, -12.33,   0.12,
04/12 01Z,  -0.10, -11.21,  99.90, -11.19,   0.12,
04/12 02Z,  -0.10,  -9.57,  99.90,  -9.55,   0.12,
04/12 03Z,  -0.10,  -7.67,  99.90,  -7.65,   0.12,
04/12 04Z,  -0.10,  -5.92,  99.90,  -5.90,   0.12,
04/12 05Z,  -0.20,  -4.71,  99.90,  -4.79,   0.12,
04/12 06Z,  -0.20,  -4.28,  99.90,  -4.36,   0.12,  (max)
04/12 07Z,  -0.20,  -4.71,  99.90,  -4.78,   0.12,
04/12 08Z,  -0.30,  -5.82,  99.90,  -6.00,   0.12,
04/12 09Z,  -0.20,  -7.28,  99.90,  -7.36,   0.12,
04/12 10Z,  -0.20,  -8.66,  99.90,  -8.74,   0.12,
04/12 11Z,  -0.20,  -9.55,  99.90,  -9.63,   0.12,
04/12 12Z,  -0.20,  -9.67,  99.90,  -9.75,   0.12,  (min)
04/12 13Z,  -0.20,  -8.98,  99.90,  -9.05,   0.12,
04/12 14Z,  -0.20,  -7.62,  99.90,  -7.70,   0.12,
04/12 15Z,  -0.20,  -5.96,  99.90,  -6.04,   0.12,
04/12 16Z,  -0.30,  -4.45,  99.90,  -4.63,   0.12,
04/12 17Z,  -0.40,  -3.54,  99.90,  -3.82,   0.12,
04/12 18Z,  -0.40,  -3.52,  99.90,  -3.80,   0.12,  (max)
04/12 19Z,  -0.40,  -4.51,  99.90,  -4.78,   0.12,
04/12 20Z,  -0.40,  -6.32,  99.90,  -6.60,   0.12,
04/12 21Z,  -0.30,  -8.61,  99.90,  -8.79,   0.12,
04/12 22Z,  -0.10, -10.85,  99.90, -10.83,   0.12,
04/12 23Z,   0.00, -12.54,  99.90, -12.42,   0.12,
04/13 00Z,   0.00, -13.29,  99.90, -13.17,   0.12,  (min)
04/13 01Z,   0.00, -12.91,  99.90, -12.79,   0.12,
04/13 02Z,   0.00, -11.47,  99.90, -11.35,   0.12,
04/13 03Z,   0.00,  -9.29,  99.90,  -9.17,   0.12,
04/13 04Z,   0.00,  -6.85,  99.90,  -6.73,   0.12,
04/13 05Z,  -0.10,  -4.70,  99.90,  -4.68,   0.12,
04/13 06Z,  -0.20,  -3.34,  99.90,  -3.42,   0.12,
04/13 07Z,  -0.20,  -3.09,  99.90,  -3.17,   0.12,  (max)
04/13 08Z,  -0.10,  -3.99,  99.90,  -3.96,   0.12,
04/13 09Z,  -0.10,  -5.78,  99.90,  -5.75,   0.12,
04/13 10Z,   0.00,  -7.97,  99.90,  -7.85,   0.12,
04/13 11Z,   0.00,  -9.95,  99.90,  -9.83,   0.12,
04/13 12Z,   0.10, -11.17,  99.90, -10.95,   0.12,  (min)
04/13 13Z,   0.30, -11.27,  99.90, -10.85,   0.12,
04/13 14Z,   0.30, -10.21,  99.90,  -9.79,   0.12,
04/13 15Z,   0.30,  -8.27,  99.90,  -7.84,   0.12,
04/13 16Z,   0.30,  -5.95,  99.90,  -5.52,   0.12,
04/13 17Z,   0.20,  -3.88,  99.90,  -3.56,   0.12,
04/13 18Z,   0.10,  -2.64,  99.90,  -2.42,   0.12,  (max)
04/13 19Z,   0.00,  -2.61,  99.90,  -2.49,   0.12,
04/13 20Z,   0.00,  -3.86,  99.90,  -3.74,   0.12,
04/13 21Z,   0.00,  -6.17,  99.90,  -6.05,   0.12,
04/13 22Z,   0.10,  -8.99,  99.90,  -8.77,   0.12,
04/13 23Z,   0.20, -11.67,  99.90, -11.35,   0.12,
04/14 00Z,   0.30, -13.53,  99.90, -13.11,   0.12,
04/14 01Z,   0.30, -14.11,  99.90, -13.69,   0.12,  (min)
04/14 02Z,   0.40, -13.24,  99.90, -12.72,   0.12,
04/14 03Z,   0.30, -11.13,  99.90, -10.70,   0.12,
04/14 04Z,   0.30,  -8.25,  99.90,  -7.83,   0.12,
04/14 05Z,   0.20,  -5.29,  99.90,  -4.97,   0.12,
04/14 06Z,   0.10,  -2.93,  99.90,  -2.71,   0.12,
04/14 07Z,   0.00,  -1.75,  99.90,  -1.63,   0.12,  (max)
04/14 08Z,   0.00,  -2.04,  99.90,  -1.91,   0.12,
04/14 09Z,   0.00,  -3.74,  99.90,  -3.62,   0.12,
04/14 10Z,   0.00,  -6.43,  99.90,  -6.31,   0.12,
04/14 11Z,   0.00,  -9.41,  99.90,  -9.29,   0.12,
04/14 12Z,   0.10, -11.87,  99.90, -11.65,   0.12,
04/14 13Z,   0.10, -13.15,  99.90, -12.93,   0.12,  (min)
04/14 14Z,   0.10, -12.88,  99.90, -12.66,   0.12,
04/14 15Z,   0.10, -11.15,  99.90, -10.93,   0.12,
04/14 16Z,   0.00,  -8.41,  99.90,  -8.29,   0.12,
04/14 17Z,   0.00,  -5.39,  99.90,  -5.27,   0.12,
04/14 18Z,  -0.20,  -2.88,  99.90,  -2.95,   0.12,
04/14 19Z,  -0.30,  -1.54,  99.90,  -1.72,   0.12,  (max)
04/14 20Z,  -0.30,  -1.75,  99.90,  -1.93,   0.12,
04/14 21Z,  -0.30,  -3.52,  99.90,  -3.70,   0.12,
04/14 22Z,  -0.20,  -6.45,  99.90,  -6.53,   0.12,
04/14 23Z,  -0.20,  -9.82,  99.90,  -9.90,   0.12,
04/15 00Z,  -0.10, -12.77,  99.90, -12.74,   0.12,