EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Skagway, AK : 05/21/2026 17:22:44 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/20 00Z,   1.50,  -0.86,  -2.15,  99.90,  -2.79,
05/20 01Z,   1.60,  -1.17,  -2.61,  99.90,  -3.04,  (max)
05/20 02Z,   1.60,  -3.11,  -4.34,  99.90,  -2.83,
05/20 03Z,   1.70,  -6.17,  -7.10,  99.90,  -2.63,
05/20 04Z,   1.60,  -9.64, -10.64,  99.90,  -2.60,
05/20 05Z,   1.60, -12.46, -13.40,  99.90,  -2.54,
05/20 06Z,   1.60, -13.56, -14.71,  99.90,  -2.75,  (min)
05/20 07Z,   1.70, -12.46, -13.35,  99.90,  -2.59,
05/20 08Z,   1.70,  -9.54, -10.39,  99.90,  -2.55,
05/20 09Z,   1.60,  -5.71,  -6.70,  99.90,  -2.59,
05/20 10Z,   1.50,  -1.96,  -2.88,  99.90,  -2.42,
05/20 11Z,   1.40,   0.80,  -0.24,  99.90,  -2.44,
05/20 12Z,   1.50,   1.82,   0.88,  99.90,  -2.44,  (max)
05/20 13Z,   1.50,   0.73,  -0.34,  99.90,  -2.57,
05/20 14Z,   1.50,  -2.27,  -3.28,  99.90,  -2.51,
05/20 15Z,   1.50,  -6.65,  -7.77,  99.90,  -2.62,
05/20 16Z,   1.40, -11.62, -12.81,  99.90,  -2.59,
05/20 17Z,   1.40, -16.15, -17.02,  99.90,  -2.27,
05/20 18Z,   1.60, -19.02, -19.98,  99.90,  -2.56,
05/20 19Z,   1.80, -19.42, -20.13,  99.90,  -2.51,  (min)
05/20 20Z,   1.80, -17.44, -18.27,  99.90,  -2.63,
05/20 21Z,   1.80, -13.83, -14.70,  99.90,  -2.67,
05/20 22Z,   1.80,  -9.60, -10.45,  99.90,  -2.65,
05/20 23Z,   1.70,  -5.63,  -6.36,  99.90,  -2.43,
05/21 00Z,   1.80,  -2.73,  -3.54,  99.90,  -2.61,
05/21 01Z,   1.90,  -1.43,  -2.46,  99.90,  -2.93,  (max)
05/21 02Z,   1.90,  -1.85,  -2.92,  99.90,  -2.97,
05/21 03Z,   1.90,  -3.70,  -4.55,  99.90,  -2.75,
05/21 04Z,   1.90,  -6.52,  -7.39,  99.90,  -2.77,
05/21 05Z,   1.70,  -9.64, -10.28,  99.90,  -2.34,
05/21 06Z,   1.80, -12.09, -12.62,  99.90,  -2.33,
05/21 07Z,   1.80, -12.93, -13.78,  99.90,  -2.65,  (min)
05/21 08Z,   1.80, -11.83, -12.31,  99.90,  -2.28,
05/21 09Z,   1.70,  -9.21,  -9.78,  99.90,  -2.27,
05/21 10Z,   1.50,  -5.88,  -6.65,  99.90,  -2.27,
05/21 11Z,   1.30,  -2.65,  -3.34,  99.90,  -1.99,
05/21 12Z,   1.40,  -0.31,  -1.09,  99.90,  -2.18,
05/21 13Z,   1.30,   0.45,  -0.29,  99.90,  -2.04,  (max)
05/21 14Z,   1.20,  -0.65,  -1.42,  99.90,  -1.97,
05/21 15Z,   1.20,  -3.41,  -4.29,  99.90,  -2.08,
05/21 16Z,   1.20,  -7.32,  -8.15,  99.90,  -2.03,
05/21 17Z,   1.10, -11.68, -12.57,  99.90,  -1.99,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/21 18Z,   1.10, -15.55,  99.90, -16.49,  -2.03,
05/21 19Z,   1.20, -17.88,  99.90, -18.75,  -2.08,
05/21 20Z,   1.20, -18.02,  99.90, -18.94,  -2.12,  (min)
05/21 21Z,   1.40, -16.13,  99.90, -16.89,  -2.16,
05/21 22Z,   1.50, -12.92,  99.90, -13.62,  -2.20,
05/21 23Z,   1.70,  -9.18,  99.90,  -9.73,  -2.25,
05/22 00Z,   1.90,  -5.67,  99.90,  -6.06,  -2.29,
05/22 01Z,   2.00,  -3.11,  99.90,  -3.44,  -2.33,
05/22 02Z,   2.00,  -1.99,  99.90,  -2.36,  -2.38,  (max)
05/22 03Z,   1.90,  -2.37,  99.90,  -2.89,  -2.42,
05/22 04Z,   1.70,  -4.01,  99.90,  -4.77,  -2.46,
05/22 05Z,   1.50,  -6.54,  99.90,  -7.54,  -2.50,
05/22 06Z,   1.30,  -9.35,  99.90, -10.56,  -2.50,
05/22 07Z,   1.10, -11.58,  99.90, -12.98,  -2.50,
05/22 08Z,   1.00, -12.40,  99.90, -13.90,  -2.50,  (min)
05/22 09Z,   1.00, -11.55,  99.90, -13.05,  -2.50,
05/22 10Z,   1.00,  -9.41,  99.90, -10.91,  -2.50,
05/22 11Z,   1.10,  -6.62,  99.90,  -8.02,  -2.50,
05/22 12Z,   1.20,  -3.84,  99.90,  -5.14,  -2.50,
05/22 13Z,   1.40,  -1.78,  99.90,  -2.89,  -2.50,
05/22 14Z,   1.60,  -1.08,  99.90,  -1.98,  -2.50,  (max)
05/22 15Z,   1.70,  -1.98,  99.90,  -2.78,  -2.50,
05/22 16Z,   1.80,  -4.29,  99.90,  -4.99,  -2.50,
05/22 17Z,   1.90,  -7.59,  99.90,  -8.19,  -2.50,
05/22 18Z,   1.90, -11.31,  99.90, -11.91,  -2.50,
05/22 19Z,   1.80, -14.60,  99.90, -15.31,  -2.50,
05/22 20Z,   1.70, -16.55,  99.90, -17.35,  -2.50,
05/22 21Z,   1.50, -16.63,  99.90, -17.63,  -2.50,  (min)
05/22 22Z,   1.40, -14.99,  99.90, -16.10,  -2.50,
05/22 23Z,   1.30, -12.21,  99.90, -13.41,  -2.50,
05/23 00Z,   1.30,  -8.91,  99.90, -10.12,  -2.50,
05/23 01Z,   1.40,  -5.75,  99.90,  -6.85,  -2.50,
05/23 02Z,   1.50,  -3.38,  99.90,  -4.39,  -2.50,
05/23 03Z,   1.60,  -2.30,  99.90,  -3.20,  -2.50,  (max)
05/23 04Z,   1.70,  -2.56,  99.90,  -3.36,  -2.50,
05/23 05Z,   1.80,  -3.99,  99.90,  -4.69,  -2.50,
05/23 06Z,   1.80,  -6.30,  99.90,  -7.00,  -2.50,
05/23 07Z,   1.80,  -8.97,  99.90,  -9.67,  -2.50,
05/23 08Z,   1.70, -11.19,  99.90, -11.99,  -2.50,
05/23 09Z,   1.60, -12.19,  99.90, -13.10,  -2.50,  (min)
05/23 10Z,   1.50, -11.74,  99.90, -12.75,  -2.50,
05/23 11Z,   1.50, -10.12,  99.90, -11.12,  -2.50,
05/23 12Z,   1.50,  -7.78,  99.90,  -8.79,  -2.50,
05/23 13Z,   1.50,  -5.30,  99.90,  -6.30,  -2.50,
05/23 14Z,   1.60,  -3.32,  99.90,  -4.23,  -2.50,
05/23 15Z,   1.70,  -2.49,  99.90,  -3.29,  -2.50,  (max)
05/23 16Z,   1.70,  -3.02,  99.90,  -3.83,  -2.50,
05/23 17Z,   1.80,  -4.80,  99.90,  -5.50,  -2.50,
05/23 18Z,   1.90,  -7.49,  99.90,  -8.10,  -2.50,
05/23 19Z,   1.90, -10.65,  99.90, -11.26,  -2.50,
05/23 20Z,   1.90, -13.53,  99.90, -14.14,  -2.50,
05/23 21Z,   1.80, -15.29,  99.90, -15.99,  -2.50,
05/23 22Z,   1.80, -15.43,  99.90, -16.14,  -2.50,  (min)
05/23 23Z,   1.70, -14.08,  99.90, -14.89,  -2.50,
05/24 00Z,   1.70, -11.66,  99.90, -12.46,  -2.50,
05/24 01Z,   1.80,  -8.64,  99.90,  -9.35,  -2.50,
05/24 02Z,   2.00,  -5.65,  99.90,  -6.16,  -2.50,
05/24 03Z,   2.10,  -3.36,  99.90,  -3.77,  -2.50,
05/24 04Z,   2.30,  -2.25,  99.90,  -2.45,  -2.50,
05/24 05Z,   2.50,  -2.41,  99.90,  -2.41,  -2.50,  (max)
05/24 06Z,   2.60,  -3.72,  99.90,  -3.63,  -2.50,
05/24 07Z,   2.60,  -6.00,  99.90,  -5.90,  -2.50,
05/24 08Z,   2.50,  -8.73,  99.90,  -8.74,  -2.50,
05/24 09Z,   2.30, -11.14,  99.90, -11.34,  -2.50,
05/24 10Z,   2.00, -12.46,  99.90, -12.96,  -2.50,
05/24 11Z,   1.70, -12.42,  99.90, -13.23,  -2.50,  (min)
05/24 12Z,   1.40, -11.20,  99.90, -12.30,  -2.50,
05/24 13Z,   1.30,  -9.12,  99.90, -10.33,  -2.50,
05/24 14Z,   1.40,  -6.71,  99.90,  -7.81,  -2.50,
05/24 15Z,   1.50,  -4.63,  99.90,  -5.63,  -2.50,
05/24 16Z,   1.60,  -3.52,  99.90,  -4.42,  -2.50,  (max)
05/24 17Z,   1.70,  -3.64,  99.90,  -4.45,  -2.50,
05/24 18Z,   1.80,  -4.92,  99.90,  -5.63,  -2.50,
05/24 19Z,   1.80,  -7.14,  99.90,  -7.85,  -2.50,
05/24 20Z,   1.80,  -9.93,  99.90, -10.63,  -2.50,
05/24 21Z,   1.70, -12.57,  99.90, -13.38,  -2.50,
05/24 22Z,   1.70, -14.26,  99.90, -15.06,  -2.50,
05/24 23Z,   1.60, -14.51,  99.90, -15.41,  -2.50,  (min)
05/25 00Z,   1.60, -13.36,  99.90, -14.27,  -2.50,
05/25 01Z,   1.50, -11.12,  99.90, -12.12,  -2.50,
05/25 02Z,   1.50,  -8.20,  99.90,  -9.21,  -2.50,
05/25 03Z,   1.60,  -5.24,  99.90,  -6.15,  -2.50,
05/25 04Z,   1.70,  -2.96,  99.90,  -3.77,  -2.50,
05/25 05Z,   1.80,  -1.85,  99.90,  -2.56,  -2.50,  (max)
05/25 06Z,   1.80,  -2.04,  99.90,  -2.74,  -2.50,
05/25 07Z,   1.80,  -3.44,  99.90,  -4.15,  -2.50,
05/25 08Z,   1.80,  -5.90,  99.90,  -6.60,  -2.50,
05/25 09Z,   1.70,  -8.89,  99.90,  -9.70,  -2.50,
05/25 10Z,   1.60, -11.58,  99.90, -12.49,  -2.50,
05/25 11Z,   1.40, -13.21,  99.90, -14.31,  -2.50,
05/25 12Z,   1.40, -13.45,  99.90, -14.56,  -2.50,