EXTRA-TROPICAL  STORM  SURGE
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Surge List
#Seattle, WA : 05/18/2026 21:21:17 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 06Z,   0.40,   7.18,   7.28,  99.90,  -0.30,
05/17 07Z,   0.40,   7.07,   7.18,  99.90,  -0.29,  (min)
05/17 08Z,   0.40,   7.82,   7.92,  99.90,  -0.30,
05/17 09Z,   0.40,   9.11,   9.12,  99.90,  -0.39,
05/17 10Z,   0.30,  10.48,  10.42,  99.90,  -0.36,
05/17 11Z,   0.30,  11.46,  11.49,  99.90,  -0.27,
05/17 12Z,   0.20,  11.57,  11.69,  99.90,  -0.08,  (max)
05/17 13Z,   0.10,  10.54,  10.75,  99.90,   0.11,
05/17 14Z,   0.10,   8.41,   8.74,  99.90,   0.23,
05/17 15Z,   0.10,   5.47,   5.78,  99.90,   0.21,
05/17 16Z,   0.10,   2.14,   2.29,  99.90,   0.05,
05/17 17Z,   0.10,  -0.99,  -0.93,  99.90,  -0.04,
05/17 18Z,   0.00,  -3.18,  -3.12,  99.90,   0.06,
05/17 19Z,   0.00,  -3.78,  -3.73,  99.90,   0.05,  (min)
05/17 20Z,   0.00,  -2.62,  -2.42,  99.90,   0.20,
05/17 21Z,   0.00,  -0.06,   0.00,  99.90,   0.06,
05/17 22Z,   0.00,   3.24,   3.15,  99.90,  -0.09,
05/17 23Z,   0.00,   6.60,   6.38,  99.90,  -0.22,
05/18 00Z,   0.00,   9.42,   8.97,  99.90,  -0.45,
05/18 01Z,   0.00,  11.27,  10.71,  99.90,  -0.56,
05/18 02Z,   0.00,  12.05,  11.51,  99.90,  -0.54,  (max)
05/18 03Z,   0.00,  11.91,  11.41,  99.90,  -0.50,
05/18 04Z,   0.00,  11.07,  10.68,  99.90,  -0.39,
05/18 05Z,   0.00,   9.77,   9.62,  99.90,  -0.15,
05/18 06Z,   0.10,   8.43,   8.42,  99.90,  -0.11,
05/18 07Z,   0.10,   7.58,   7.63,  99.90,  -0.05,  (min)
05/18 08Z,   0.10,   7.55,   7.66,  99.90,   0.01,
05/18 09Z,   0.10,   8.31,   8.40,  99.90,  -0.01,
05/18 10Z,   0.10,   9.50,   9.51,  99.90,  -0.09,
05/18 11Z,   0.10,  10.68,  10.71,  99.90,  -0.07,
05/18 12Z,   0.00,  11.39,  11.55,  99.90,   0.16,  (max)
05/18 13Z,   0.00,  11.20,  11.49,  99.90,   0.29,
05/18 14Z,   0.00,   9.89,  10.26,  99.90,   0.37,
05/18 15Z,   0.00,   7.54,   7.96,  99.90,   0.42,
05/18 16Z,   0.00,   4.48,   4.80,  99.90,   0.32,
05/18 17Z,   0.00,   1.15,   1.26,  99.90,   0.11,
05/18 18Z,   0.00,  -1.83,  -1.78,  99.90,   0.05,
05/18 19Z,   0.00,  -3.71,  -3.73,  99.90,  -0.02,
05/18 20Z,   0.00,  -3.91,  -3.92,  99.90,  -0.01,  (min)
05/18 21Z,   0.00,  -2.38,  -2.20,  99.90,   0.18,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/18 22Z,   0.00,   0.43,  99.90,   0.58,   0.15,
05/18 23Z,   0.00,   3.83,  99.90,   3.95,   0.12,
05/19 00Z,   0.10,   7.16,  99.90,   7.35,   0.09,
05/19 01Z,   0.10,   9.86,  99.90,  10.02,   0.06,
05/19 02Z,   0.10,  11.56,  99.90,  11.69,   0.03,
05/19 03Z,   0.10,  12.23,  99.90,  12.33,  -0.00,  (max)
05/19 04Z,   0.10,  12.01,  99.90,  12.08,  -0.03,
05/19 05Z,   0.20,  11.13,  99.90,  11.26,  -0.06,
05/19 06Z,   0.20,   9.82,  99.90,   9.93,  -0.09,
05/19 07Z,   0.20,   8.53,  99.90,   8.61,  -0.12,
05/19 08Z,   0.20,   7.75,  99.90,   7.80,  -0.15,
05/19 09Z,   0.20,   7.76,  99.90,   7.78,  -0.18,  (min)
05/19 10Z,   0.10,   8.47,  99.90,   8.39,  -0.18,
05/19 11Z,   0.10,   9.52,  99.90,   9.44,  -0.18,
05/19 12Z,   0.10,  10.51,  99.90,  10.43,  -0.18,
05/19 13Z,   0.10,  11.01,  99.90,  10.92,  -0.18,  (max)
05/19 14Z,   0.10,  10.63,  99.90,  10.55,  -0.18,
05/19 15Z,   0.10,   9.21,  99.90,   9.12,  -0.18,
05/19 16Z,   0.10,   6.84,  99.90,   6.75,  -0.18,
05/19 17Z,   0.00,   3.84,  99.90,   3.65,  -0.18,
05/19 18Z,   0.00,   0.66,  99.90,   0.48,  -0.18,
05/19 19Z,   0.00,  -2.07,  99.90,  -2.25,  -0.18,
05/19 20Z,   0.00,  -3.61,  99.90,  -3.80,  -0.18,  (min)
05/19 21Z,   0.00,  -3.50,  99.90,  -3.68,  -0.18,
05/19 22Z,   0.00,  -1.76,  99.90,  -1.94,  -0.18,
05/19 23Z,   0.00,   1.10,  99.90,   0.92,  -0.18,
05/20 00Z,   0.00,   4.42,  99.90,   4.23,  -0.18,
05/20 01Z,   0.00,   7.58,  99.90,   7.40,  -0.18,
05/20 02Z,   0.00,  10.08,  99.90,   9.90,  -0.18,
05/20 03Z,   0.00,  11.62,  99.90,  11.44,  -0.18,
05/20 04Z,   0.00,  12.18,  99.90,  12.00,  -0.18,  (max)
05/20 05Z,   0.00,  11.92,  99.90,  11.73,  -0.18,
05/20 06Z,   0.00,  11.01,  99.90,  10.82,  -0.18,
05/20 07Z,   0.00,   9.71,  99.90,   9.52,  -0.18,
05/20 08Z,   0.00,   8.44,  99.90,   8.26,  -0.18,
05/20 09Z,   0.00,   7.69,  99.90,   7.51,  -0.18,
05/20 10Z,   0.00,   7.67,  99.90,   7.49,  -0.18,  (min)
05/20 11Z,   0.00,   8.26,  99.90,   8.08,  -0.18,
05/20 12Z,   0.00,   9.15,  99.90,   8.97,  -0.18,
05/20 13Z,   0.00,   9.98,  99.90,   9.80,  -0.18,
05/20 14Z,   0.00,  10.37,  99.90,  10.18,  -0.18,  (max)
05/20 15Z,   0.00,   9.95,  99.90,   9.77,  -0.18,
05/20 16Z,   0.00,   8.57,  99.90,   8.38,  -0.18,
05/20 17Z,   0.00,   6.33,  99.90,   6.15,  -0.18,
05/20 18Z,   0.00,   3.55,  99.90,   3.37,  -0.18,
05/20 19Z,   0.00,   0.65,  99.90,   0.47,  -0.18,
05/20 20Z,   0.00,  -1.76,  99.90,  -1.94,  -0.18,
05/20 21Z,   0.00,  -2.99,  99.90,  -3.18,  -0.18,  (min)
05/20 22Z,   0.00,  -2.66,  99.90,  -2.84,  -0.18,
05/20 23Z,   0.00,  -0.88,  99.90,  -1.06,  -0.18,
05/21 00Z,   0.00,   1.86,  99.90,   1.68,  -0.18,
05/21 01Z,   0.00,   4.96,  99.90,   4.78,  -0.18,
05/21 02Z,   0.00,   7.88,  99.90,   7.70,  -0.18,
05/21 03Z,   0.00,  10.17,  99.90,   9.99,  -0.18,
05/21 04Z,   0.00,  11.55,  99.90,  11.37,  -0.18,
05/21 05Z,   0.00,  12.02,  99.90,  11.84,  -0.18,  (max)
05/21 06Z,   0.00,  11.71,  99.90,  11.53,  -0.18,
05/21 07Z,   0.00,  10.77,  99.90,  10.59,  -0.18,
05/21 08Z,   0.00,   9.46,  99.90,   9.27,  -0.18,
05/21 09Z,   0.00,   8.18,  99.90,   8.00,  -0.18,
05/21 10Z,   0.00,   7.38,  99.90,   7.20,  -0.18,
05/21 11Z,   0.00,   7.26,  99.90,   7.08,  -0.18,  (min)
05/21 12Z,   0.00,   7.69,  99.90,   7.51,  -0.18,
05/21 13Z,   0.00,   8.42,  99.90,   8.23,  -0.18,
05/21 14Z,   0.00,   9.15,  99.90,   8.97,  -0.18,
05/21 15Z,   0.00,   9.52,  99.90,   9.34,  -0.18,  (max)
05/21 16Z,   0.00,   9.19,  99.90,   9.01,  -0.18,
05/21 17Z,   0.00,   8.00,  99.90,   7.82,  -0.18,
05/21 18Z,   0.00,   6.05,  99.90,   5.87,  -0.18,
05/21 19Z,   0.00,   3.61,  99.90,   3.43,  -0.18,
05/21 20Z,   0.00,   1.07,  99.90,   0.89,  -0.18,
05/21 21Z,   0.00,  -0.99,  99.90,  -1.17,  -0.18,
05/21 22Z,   0.00,  -1.96,  99.90,  -2.14,  -0.18,  (min)
05/21 23Z,   0.00,  -1.52,  99.90,  -1.70,  -0.18,
05/22 00Z,   0.00,   0.17,  99.90,  -0.01,  -0.18,
05/22 01Z,   0.10,   2.68,  99.90,   2.60,  -0.18,
05/22 02Z,   0.10,   5.50,  99.90,   5.42,  -0.18,
05/22 03Z,   0.10,   8.15,  99.90,   8.07,  -0.18,
05/22 04Z,   0.10,  10.22,  99.90,  10.14,  -0.18,
05/22 05Z,   0.10,  11.45,  99.90,  11.37,  -0.18,
05/22 06Z,   0.10,  11.84,  99.90,  11.75,  -0.18,  (max)
05/22 07Z,   0.20,  11.47,  99.90,  11.49,  -0.18,
05/22 08Z,   0.20,  10.47,  99.90,  10.49,  -0.18,
05/22 09Z,   0.20,   9.09,  99.90,   9.10,  -0.18,
05/22 10Z,   0.20,   7.72,  99.90,   7.74,  -0.18,
05/22 11Z,   0.20,   6.81,  99.90,   6.82,  -0.18,
05/22 12Z,   0.20,   6.51,  99.90,   6.53,  -0.18,
05/22 13Z,  99.90,   6.76,  99.90,  99.90,  -0.18,
05/22 14Z,  99.90,   7.37,  99.90,  99.90,  -0.18,
05/22 15Z,  99.90,   8.09,  99.90,  99.90,  -0.18,
05/22 16Z,  99.90,   8.56,  99.90,  99.90,  -0.18,
05/22 17Z,  99.90,   8.44,  99.90,  99.90,  -0.18,
05/22 18Z,  99.90,   7.56,  99.90,  99.90,  -0.18,