EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Surge List
#Friday Harbor, WA : 04/19/2026 20:21:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 00Z,   0.00,   5.95,   5.76,  99.90,  -0.19,
04/18 01Z,   0.10,   6.75,   6.57,  99.90,  -0.28,
04/18 02Z,   0.10,   6.96,   6.92,  99.90,  -0.14,  (max)
04/18 03Z,   0.10,   6.58,   6.67,  99.90,  -0.01,
04/18 04Z,   0.10,   5.81,   6.03,  99.90,   0.12,
04/18 05Z,   0.10,   4.98,   5.36,  99.90,   0.28,
04/18 06Z,   0.20,   4.42,   4.96,  99.90,   0.34,  (min)
04/18 07Z,   0.10,   4.36,   5.00,  99.90,   0.54,
04/18 08Z,   0.10,   4.78,   5.46,  99.90,   0.58,
04/18 09Z,   0.20,   5.54,   6.12,  99.90,   0.38,
04/18 10Z,   0.20,   6.38,   7.00,  99.90,   0.42,
04/18 11Z,   0.20,   7.05,   7.67,  99.90,   0.42,
04/18 12Z,   0.20,   7.33,   7.88,  99.90,   0.35,  (max)
04/18 13Z,   0.20,   7.03,   7.51,  99.90,   0.28,
04/18 14Z,   0.20,   6.06,   6.53,  99.90,   0.27,
04/18 15Z,   0.20,   4.45,   5.00,  99.90,   0.35,
04/18 16Z,   0.20,   2.45,   2.84,  99.90,   0.19,
04/18 17Z,   0.20,   0.49,   0.74,  99.90,   0.05,
04/18 18Z,   0.30,  -0.98,  -0.73,  99.90,  -0.05,
04/18 19Z,   0.30,  -1.60,  -1.25,  99.90,   0.05,  (min)
04/18 20Z,   0.20,  -1.28,  -0.84,  99.90,   0.24,
04/18 21Z,   0.30,  -0.16,  -0.04,  99.90,  -0.18,
04/18 22Z,   0.30,   1.47,   1.49,  99.90,  -0.28,
04/18 23Z,   0.30,   3.30,   3.22,  99.90,  -0.38,
04/19 00Z,   0.30,   5.04,   4.94,  99.90,  -0.40,
04/19 01Z,   0.40,   6.43,   6.34,  99.90,  -0.49,
04/19 02Z,   0.40,   7.30,   7.32,  99.90,  -0.38,
04/19 03Z,   0.40,   7.52,   7.71,  99.90,  -0.21,  (max)
04/19 04Z,   0.40,   7.16,   7.50,  99.90,  -0.06,
04/19 05Z,   0.40,   6.45,   6.96,  99.90,   0.11,
04/19 06Z,   0.40,   5.73,   6.41,  99.90,   0.28,
04/19 07Z,   0.30,   5.29,   6.08,  99.90,   0.49,  (min)
04/19 08Z,   0.30,   5.31,   6.24,  99.90,   0.63,
04/19 09Z,   0.40,   5.72,   6.60,  99.90,   0.48,
04/19 10Z,   0.40,   6.37,   7.21,  99.90,   0.44,
04/19 11Z,   0.40,   7.01,   7.86,  99.90,   0.45,
04/19 12Z,   0.30,   7.42,   8.25,  99.90,   0.53,  (max)
04/19 13Z,   0.40,   7.38,   8.05,  99.90,   0.27,
04/19 14Z,   0.40,   6.73,   7.31,  99.90,   0.18,
04/19 15Z,   0.40,   5.42,   6.04,  99.90,   0.22,
04/19 16Z,   0.30,   3.54,   4.11,  99.90,   0.27,
04/19 17Z,   0.30,   1.41,   1.79,  99.90,   0.08,
04/19 18Z,   0.40,  -0.52,  -0.31,  99.90,  -0.19,
04/19 19Z,   0.30,  -1.81,  -1.49,  99.90,   0.02,
04/19 20Z,   0.30,  -2.18,  -1.70,  99.90,   0.18,  (min)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 21Z,   0.30,  -1.59,  99.90,  -1.11,   0.18,
04/19 22Z,   0.30,  -0.25,  99.90,   0.23,   0.18,
04/19 23Z,   0.40,   1.55,  99.90,   2.14,   0.18,
04/20 00Z,   0.30,   3.51,  99.90,   3.99,   0.19,
04/20 01Z,   0.40,   5.33,  99.90,   5.91,   0.19,
04/20 02Z,   0.40,   6.77,  99.90,   7.36,   0.19,
04/20 03Z,   0.50,   7.65,  99.90,   8.34,   0.19,
04/20 04Z,   0.40,   7.89,  99.90,   8.48,   0.19,  (max)
04/20 05Z,   0.40,   7.59,  99.90,   8.18,   0.20,
04/20 06Z,   0.40,   6.98,  99.90,   7.58,   0.20,
04/20 07Z,   0.30,   6.38,  99.90,   6.88,   0.20,
04/20 08Z,   0.30,   6.06,  99.90,   6.56,   0.20,  (min)
04/20 09Z,   0.30,   6.10,  99.90,   6.60,   0.20,
04/20 10Z,   0.30,   6.45,  99.90,   6.95,   0.20,
04/20 11Z,   0.30,   6.94,  99.90,   7.44,   0.20,
04/20 12Z,   0.40,   7.36,  99.90,   7.96,   0.20,
04/20 13Z,   0.40,   7.51,  99.90,   8.11,   0.20,  (max)
04/20 14Z,   0.30,   7.21,  99.90,   7.71,   0.20,
04/20 15Z,   0.30,   6.31,  99.90,   6.81,   0.20,
04/20 16Z,   0.40,   4.79,  99.90,   5.39,   0.20,
04/20 17Z,   0.40,   2.80,  99.90,   3.41,   0.20,
04/20 18Z,   0.40,   0.69,  99.90,   1.29,   0.20,
04/20 19Z,   0.30,  -1.10,  99.90,  -0.60,   0.20,
04/20 20Z,   0.40,  -2.17,  99.90,  -1.57,   0.20,
04/20 21Z,   0.40,  -2.33,  99.90,  -1.73,   0.20,  (min)
04/20 22Z,   0.40,  -1.58,  99.90,  -0.98,   0.20,
04/20 23Z,   0.40,  -0.14,  99.90,   0.46,   0.20,
04/21 00Z,   0.40,   1.70,  99.90,   2.30,   0.20,
04/21 01Z,   0.40,   3.66,  99.90,   4.26,   0.20,
04/21 02Z,   0.40,   5.47,  99.90,   6.07,   0.20,
04/21 03Z,   0.40,   6.90,  99.90,   7.50,   0.20,
04/21 04Z,   0.40,   7.78,  99.90,   8.38,   0.20,
04/21 05Z,   0.50,   8.06,  99.90,   8.76,   0.20,  (max)
04/21 06Z,   0.50,   7.84,  99.90,   8.54,   0.20,
04/21 07Z,   0.50,   7.36,  99.90,   8.06,   0.20,
04/21 08Z,   0.50,   6.88,  99.90,   7.58,   0.20,
04/21 09Z,   0.50,   6.62,  99.90,   7.32,   0.20,  (min)
04/21 10Z,   0.50,   6.63,  99.90,   7.33,   0.20,
04/21 11Z,   0.50,   6.86,  99.90,   7.56,   0.20,
04/21 12Z,   0.50,   7.18,  99.90,   7.88,   0.20,
04/21 13Z,   0.50,   7.40,  99.90,   8.10,   0.20,  (max)
04/21 14Z,   0.40,   7.35,  99.90,   7.95,   0.20,
04/21 15Z,   0.40,   6.87,  99.90,   7.47,   0.20,
04/21 16Z,   0.50,   5.85,  99.90,   6.55,   0.20,
04/21 17Z,   0.50,   4.28,  99.90,   4.98,   0.20,
04/21 18Z,   0.40,   2.34,  99.90,   2.94,   0.20,
04/21 19Z,   0.40,   0.37,  99.90,   0.98,   0.20,
04/21 20Z,   0.50,  -1.21,  99.90,  -0.51,   0.20,
04/21 21Z,   0.50,  -2.09,  99.90,  -1.39,   0.20,
04/21 22Z,   0.50,  -2.11,  99.90,  -1.41,   0.20,  (min)
04/21 23Z,   0.50,  -1.32,  99.90,  -0.62,   0.20,
04/22 00Z,   0.50,   0.09,  99.90,   0.79,   0.20,
04/22 01Z,   0.50,   1.86,  99.90,   2.56,   0.20,
04/22 02Z,   0.50,   3.74,  99.90,   4.44,   0.20,
04/22 03Z,   0.50,   5.48,  99.90,   6.18,   0.20,
04/22 04Z,   0.50,   6.86,  99.90,   7.57,   0.20,
04/22 05Z,   0.50,   7.74,  99.90,   8.44,   0.20,
04/22 06Z,   0.60,   8.07,  99.90,   8.87,   0.20,  (max)
04/22 07Z,   0.60,   7.95,  99.90,   8.75,   0.20,
04/22 08Z,   0.60,   7.58,  99.90,   8.38,   0.20,
04/22 09Z,   0.60,   7.17,  99.90,   7.97,   0.20,
04/22 10Z,   0.60,   6.90,  99.90,   7.71,   0.20,
04/22 11Z,   0.60,   6.83,  99.90,   7.63,   0.20,  (min)
04/22 12Z,   0.60,   6.91,  99.90,   7.72,   0.20,
04/22 13Z,   0.60,   7.06,  99.90,   7.86,   0.20,
04/22 14Z,   0.60,   7.12,  99.90,   7.92,   0.20,  (max)
04/22 15Z,   0.60,   6.96,  99.90,   7.76,   0.20,
04/22 16Z,   0.60,   6.42,  99.90,   7.22,   0.20,
04/22 17Z,   0.60,   5.40,  99.90,   6.20,   0.20,
04/22 18Z,   0.50,   3.93,  99.90,   4.63,   0.20,
04/22 19Z,   0.50,   2.17,  99.90,   2.87,   0.20,
04/22 20Z,   0.50,   0.44,  99.90,   1.14,   0.20,
04/22 21Z,   0.40,  -0.93,  99.90,  -0.33,   0.20,
04/22 22Z,   0.40,  -1.66,  99.90,  -1.06,   0.20,  (min)
04/22 23Z,   0.40,  -1.63,  99.90,  -1.03,   0.20,
04/23 00Z,   0.40,  -0.89,  99.90,  -0.29,   0.20,
04/23 01Z,   0.30,   0.41,  99.90,   0.91,   0.20,
04/23 02Z,   0.30,   2.05,  99.90,   2.55,   0.20,
04/23 03Z,   0.30,   3.80,  99.90,   4.30,   0.20,
04/23 04Z,   0.30,   5.44,  99.90,   5.94,   0.20,
04/23 05Z,   0.30,   6.76,  99.90,   7.26,   0.20,
04/23 06Z,   0.30,   7.64,  99.90,   8.14,   0.20,
04/23 07Z,   0.20,   8.01,  99.90,   8.41,   0.20,  (max)
04/23 08Z,   0.20,   7.95,  99.90,   8.35,   0.20,
04/23 09Z,   0.30,   7.63,  99.90,   8.13,   0.20,
04/23 10Z,   0.20,   7.21,  99.90,   7.61,   0.20,
04/23 11Z,   0.20,   6.86,  99.90,   7.27,   0.20,
04/23 12Z,   0.20,   6.65,  99.90,   7.05,   0.20,