EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
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Surge List
#Friday Harbor, WA : 04/21/2026 22:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 06Z,   0.40,   6.98,   7.64,  99.90,   0.26,
04/20 07Z,   0.40,   6.38,   7.16,  99.90,   0.38,
04/20 08Z,   0.40,   6.06,   6.97,  99.90,   0.51,  (min)
04/20 09Z,   0.40,   6.10,   7.10,  99.90,   0.60,
04/20 10Z,   0.40,   6.45,   7.41,  99.90,   0.56,
04/20 11Z,   0.40,   6.94,   7.87,  99.90,   0.53,
04/20 12Z,   0.30,   7.36,   8.27,  99.90,   0.61,
04/20 13Z,   0.40,   7.51,   8.41,  99.90,   0.50,  (max)
04/20 14Z,   0.40,   7.21,   7.98,  99.90,   0.37,
04/20 15Z,   0.40,   6.31,   6.97,  99.90,   0.26,
04/20 16Z,   0.30,   4.79,   5.47,  99.90,   0.38,
04/20 17Z,   0.40,   2.80,   3.33,  99.90,   0.13,
04/20 18Z,   0.50,   0.69,   1.14,  99.90,  -0.05,
04/20 19Z,   0.50,  -1.10,  -0.74,  99.90,  -0.14,
04/20 20Z,   0.50,  -2.17,  -1.71,  99.90,  -0.04,
04/20 21Z,   0.50,  -2.33,  -1.76,  99.90,   0.07,  (min)
04/20 22Z,   0.60,  -1.58,  -0.98,  99.90,   0.00,
04/20 23Z,   0.50,  -0.14,   0.33,  99.90,  -0.03,
04/21 00Z,   0.60,   1.70,   1.99,  99.90,  -0.31,
04/21 01Z,   0.60,   3.66,   3.84,  99.90,  -0.42,
04/21 02Z,   0.70,   5.47,   5.70,  99.90,  -0.47,
04/21 03Z,   0.70,   6.90,   7.22,  99.90,  -0.38,
04/21 04Z,   0.60,   7.78,   8.24,  99.90,  -0.14,
04/21 05Z,   0.70,   8.06,   8.65,  99.90,  -0.11,  (max)
04/21 06Z,   0.60,   7.84,   8.53,  99.90,   0.09,
04/21 07Z,   0.60,   7.36,   8.07,  99.90,   0.11,
04/21 08Z,   0.60,   6.88,   7.77,  99.90,   0.29,
04/21 09Z,   0.70,   6.62,   7.54,  99.90,   0.22,  (min)
04/21 10Z,   0.70,   6.63,   7.63,  99.90,   0.30,
04/21 11Z,   0.70,   6.86,   7.85,  99.90,   0.29,
04/21 12Z,   0.60,   7.18,   8.18,  99.90,   0.40,
04/21 13Z,   0.70,   7.40,   8.40,  99.90,   0.30,  (max)
04/21 14Z,   0.70,   7.35,   8.35,  99.90,   0.30,
04/21 15Z,   0.70,   6.87,   7.73,  99.90,   0.16,
04/21 16Z,   0.60,   5.85,   6.64,  99.90,   0.19,
04/21 17Z,   0.70,   4.28,   5.10,  99.90,   0.12,
04/21 18Z,   0.70,   2.34,   3.07,  99.90,   0.03,
04/21 19Z,   0.70,   0.37,   1.02,  99.90,  -0.05,
04/21 20Z,   0.70,  -1.21,  -0.70,  99.90,  -0.19,
04/21 21Z,   0.70,  -2.09,  -1.49,  99.90,  -0.10,  (min)
04/21 22Z,   0.80,  -2.11,  -1.40,  99.90,  -0.09,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 23Z,   0.80,  -1.32,  99.90,  -0.59,  -0.07,
04/22 00Z,   0.80,   0.09,  99.90,   0.83,  -0.05,
04/22 01Z,   0.80,   1.86,  99.90,   2.63,  -0.04,
04/22 02Z,   0.80,   3.74,  99.90,   4.52,  -0.02,
04/22 03Z,   0.80,   5.48,  99.90,   6.28,  -0.00,
04/22 04Z,   0.70,   6.86,  99.90,   7.58,   0.02,
04/22 05Z,   0.70,   7.74,  99.90,   8.47,   0.03,
04/22 06Z,   0.70,   8.07,  99.90,   8.82,   0.05,  (max)
04/22 07Z,   0.70,   7.95,  99.90,   8.72,   0.07,
04/22 08Z,   0.70,   7.58,  99.90,   8.36,   0.08,
04/22 09Z,   0.70,   7.17,  99.90,   7.98,   0.10,
04/22 10Z,   0.80,   6.90,  99.90,   7.82,   0.12,
04/22 11Z,   0.80,   6.83,  99.90,   7.75,   0.12,  (min)
04/22 12Z,   0.80,   6.91,  99.90,   7.83,   0.12,
04/22 13Z,   0.80,   7.06,  99.90,   7.98,   0.12,
04/22 14Z,   0.80,   7.12,  99.90,   8.04,   0.12,  (max)
04/22 15Z,   0.70,   6.96,  99.90,   7.78,   0.12,
04/22 16Z,   0.80,   6.42,  99.90,   7.34,   0.12,
04/22 17Z,   0.80,   5.40,  99.90,   6.32,   0.12,
04/22 18Z,   0.70,   3.93,  99.90,   4.75,   0.12,
04/22 19Z,   0.70,   2.17,  99.90,   2.99,   0.12,
04/22 20Z,   0.70,   0.44,  99.90,   1.26,   0.12,
04/22 21Z,   0.70,  -0.93,  99.90,  -0.11,   0.12,
04/22 22Z,   0.60,  -1.66,  99.90,  -0.94,   0.12,
04/22 23Z,   0.50,  -1.63,  99.90,  -1.01,   0.12,  (min)
04/23 00Z,   0.50,  -0.89,  99.90,  -0.27,   0.12,
04/23 01Z,   0.60,   0.41,  99.90,   1.13,   0.12,
04/23 02Z,   0.60,   2.05,  99.90,   2.77,   0.12,
04/23 03Z,   0.50,   3.80,  99.90,   4.42,   0.12,
04/23 04Z,   0.50,   5.44,  99.90,   6.06,   0.12,
04/23 05Z,   0.60,   6.76,  99.90,   7.48,   0.12,
04/23 06Z,   0.60,   7.64,  99.90,   8.36,   0.12,
04/23 07Z,   0.50,   8.01,  99.90,   8.63,   0.12,  (max)
04/23 08Z,   0.50,   7.95,  99.90,   8.57,   0.12,
04/23 09Z,   0.50,   7.63,  99.90,   8.25,   0.12,
04/23 10Z,   0.50,   7.21,  99.90,   7.83,   0.12,
04/23 11Z,   0.40,   6.86,  99.90,   7.38,   0.12,
04/23 12Z,   0.50,   6.65,  99.90,   7.27,   0.12,
04/23 13Z,   0.40,   6.58,  99.90,   7.10,   0.12,  (min)
04/23 14Z,   0.40,   6.59,  99.90,   7.10,   0.12,  (max)
04/23 15Z,   0.40,   6.56,  99.90,   7.08,   0.12,
04/23 16Z,   0.40,   6.38,  99.90,   6.90,   0.12,
04/23 17Z,   0.30,   5.90,  99.90,   6.32,   0.12,
04/23 18Z,   0.30,   5.02,  99.90,   5.44,   0.12,
04/23 19Z,   0.30,   3.76,  99.90,   4.18,   0.12,
04/23 20Z,   0.30,   2.27,  99.90,   2.69,   0.12,
04/23 21Z,   0.30,   0.80,  99.90,   1.22,   0.12,
04/23 22Z,   0.20,  -0.36,  99.90,  -0.04,   0.12,
04/23 23Z,   0.30,  -0.99,  99.90,  -0.57,   0.12,  (min)
04/24 00Z,   0.30,  -0.97,  99.90,  -0.55,   0.12,
04/24 01Z,   0.30,  -0.33,  99.90,   0.09,   0.12,
04/24 02Z,   0.30,   0.82,  99.90,   1.24,   0.12,
04/24 03Z,   0.30,   2.31,  99.90,   2.72,   0.12,
04/24 04Z,   0.30,   3.92,  99.90,   4.34,   0.12,
04/24 05Z,   0.30,   5.45,  99.90,   5.87,   0.12,
04/24 06Z,   0.30,   6.71,  99.90,   7.13,   0.12,
04/24 07Z,   0.30,   7.56,  99.90,   7.98,   0.12,
04/24 08Z,   0.40,   7.93,  99.90,   8.45,   0.12,  (max)
04/24 09Z,   0.30,   7.86,  99.90,   8.28,   0.12,
04/24 10Z,   0.30,   7.48,  99.90,   7.90,   0.12,
04/24 11Z,   0.30,   6.96,  99.90,   7.38,   0.12,
04/24 12Z,   0.40,   6.46,  99.90,   6.98,   0.12,
04/24 13Z,   0.40,   6.09,  99.90,   6.61,   0.12,
04/24 14Z,   0.30,   5.88,  99.90,   6.30,   0.12,  (min)
04/24 15Z,   0.40,   5.81,  99.90,   6.33,   0.12,  (max)
04/24 16Z,   0.40,   5.78,  99.90,   6.30,   0.12,
04/24 17Z,   0.40,   5.68,  99.90,   6.20,   0.12,
04/24 18Z,   0.40,   5.36,  99.90,   5.88,   0.12,
04/24 19Z,   0.40,   4.72,  99.90,   5.24,   0.12,
04/24 20Z,   0.40,   3.76,  99.90,   4.28,   0.12,
04/24 21Z,   0.40,   2.58,  99.90,   3.10,   0.12,
04/24 22Z,   0.40,   1.37,  99.90,   1.89,   0.12,
04/24 23Z,   0.40,   0.39,  99.90,   0.90,   0.12,
04/25 00Z,   0.40,  -0.18,  99.90,   0.34,   0.12,
04/25 01Z,   0.40,  -0.19,  99.90,   0.33,   0.12,  (min)
04/25 02Z,   0.50,   0.35,  99.90,   0.97,   0.12,
04/25 03Z,   0.50,   1.37,  99.90,   1.99,   0.12,
04/25 04Z,   0.50,   2.71,  99.90,   3.33,   0.12,
04/25 05Z,   0.50,   4.19,  99.90,   4.81,   0.12,
04/25 06Z,   0.50,   5.61,  99.90,   6.23,   0.12,
04/25 07Z,   0.50,   6.79,  99.90,   7.40,   0.12,
04/25 08Z,   0.50,   7.55,  99.90,   8.17,   0.12,
04/25 09Z,   0.50,   7.83,  99.90,   8.45,   0.12,  (max)
04/25 10Z,   0.50,   7.64,  99.90,   8.26,   0.12,
04/25 11Z,   0.50,   7.10,  99.90,   7.72,   0.12,
04/25 12Z,   0.60,   6.38,  99.90,   7.10,   0.12,
04/25 13Z,  99.90,   5.70,  99.90,  99.90,   0.12,
04/25 14Z,  99.90,   5.18,  99.90,  99.90,   0.12,
04/25 15Z,  99.90,   4.89,  99.90,  99.90,   0.12,
04/25 16Z,  99.90,   4.83,  99.90,  99.90,   0.12,
04/25 17Z,  99.90,   4.89,  99.90,  99.90,   0.12,
04/25 18Z,  99.90,   4.96,  99.90,  99.90,   0.12,