EXTRA-TROPICAL  STORM  SURGE
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hat-on
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Surge List
West Coast
#Port Townsend, WA : 04/11/2026 08:21:20 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/09 12Z,   0.30,   6.89,   7.12,  99.90,  -0.07,
04/09 13Z,   0.40,   6.81,   7.06,  99.90,  -0.15,
04/09 14Z,   0.40,   6.77,   7.00,  99.90,  -0.17,
04/09 15Z,   0.30,   6.75,   6.85,  99.90,  -0.20,
04/09 16Z,   0.30,   6.63,   6.54,  99.90,  -0.39,
04/09 17Z,   0.40,   6.18,   5.95,  99.90,  -0.63,
04/09 18Z,   0.40,   5.29,   5.10,  99.90,  -0.59,
04/09 19Z,   0.40,   4.10,   3.94,  99.90,  -0.56,
04/09 20Z,   0.30,   2.84,   2.73,  99.90,  -0.41,
04/09 21Z,   0.40,   1.71,   1.63,  99.90,  -0.48,
04/09 22Z,   0.40,   0.89,   0.97,  99.90,  -0.32,
04/09 23Z,   0.40,   0.58,   0.81,  99.90,  -0.17,  (min)
04/10 00Z,   0.20,   0.85,   1.08,  99.90,   0.03,
04/10 01Z,   0.30,   1.56,   1.80,  99.90,  -0.06,
04/10 02Z,   0.30,   2.53,   2.87,  99.90,   0.04,
04/10 03Z,   0.30,   3.69,   4.13,  99.90,   0.14,
04/10 04Z,   0.30,   4.94,   5.48,  99.90,   0.24,
04/10 05Z,   0.30,   6.10,   6.66,  99.90,   0.26,
04/10 06Z,   0.30,   6.98,   7.58,  99.90,   0.30,
04/10 07Z,   0.30,   7.55,   8.12,  99.90,   0.27,
04/10 08Z,   0.30,   7.85,   8.35,  99.90,   0.20,  (max)
04/10 09Z,   0.30,   7.87,   8.31,  99.90,   0.14,
04/10 10Z,   0.30,   7.62,   7.99,  99.90,   0.07,
04/10 11Z,   0.30,   7.22,   7.62,  99.90,   0.10,
04/10 12Z,   0.50,   6.86,   7.25,  99.90,  -0.11,
04/10 13Z,   0.50,   6.61,   7.08,  99.90,  -0.03,
04/10 14Z,   0.60,   6.46,   6.89,  99.90,  -0.17,
04/10 15Z,   0.50,   6.39,   6.79,  99.90,  -0.10,
04/10 16Z,   0.50,   6.38,   6.58,  99.90,  -0.30,
04/10 17Z,   0.60,   6.28,   6.33,  99.90,  -0.55,
04/10 18Z,   0.70,   5.87,   5.92,  99.90,  -0.65,
04/10 19Z,   0.60,   5.09,   5.23,  99.90,  -0.46,
04/10 20Z,   0.60,   4.06,   4.30,  99.90,  -0.36,
04/10 21Z,   0.70,   2.96,   3.25,  99.90,  -0.41,
04/10 22Z,   0.70,   1.93,   2.29,  99.90,  -0.34,
04/10 23Z,   0.70,   1.14,   1.68,  99.90,  -0.16,
04/11 00Z,   0.60,   0.82,   1.39,  99.90,  -0.03,  (min)
04/11 01Z,   0.60,   1.04,   1.77,  99.90,   0.13,
04/11 02Z,   0.60,   1.68,   2.40,  99.90,   0.12,
04/11 03Z,   0.60,   2.61,   3.40,  99.90,   0.19,
04/11 04Z,   0.60,   3.75,   4.70,  99.90,   0.35,
04/11 05Z,   0.70,   5.01,   5.94,  99.90,   0.23,
04/11 06Z,   0.70,   6.18,   7.13,  99.90,   0.25,
04/11 07Z,   0.70,   7.08,   8.03,  99.90,   0.25,
04/11 08Z,   0.70,   7.66,   8.59,  99.90,   0.23,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 09Z,   0.70,   7.92,  99.90,   8.82,   0.19,  (max)
04/11 10Z,   0.70,   7.83,  99.90,   8.69,   0.16,
04/11 11Z,   0.70,   7.41,  99.90,   8.24,   0.13,
04/11 12Z,   0.70,   6.85,  99.90,   7.65,   0.09,
04/11 13Z,   0.70,   6.39,  99.90,   7.15,   0.06,
04/11 14Z,   0.70,   6.10,  99.90,   6.83,   0.03,
04/11 15Z,   0.70,   5.96,  99.90,   6.66,  -0.00,
04/11 16Z,   0.70,   5.95,  99.90,   6.62,  -0.04,  (min)
04/11 17Z,   0.80,   6.03,  99.90,   6.76,  -0.07,  (max)
04/11 18Z,   0.70,   6.03,  99.90,   6.63,  -0.10,
04/11 19Z,   0.70,   5.74,  99.90,   6.31,  -0.13,
04/11 20Z,   0.70,   5.10,  99.90,   5.64,  -0.17,
04/11 21Z,   0.70,   4.22,  99.90,   4.75,  -0.17,
04/11 22Z,   0.70,   3.20,  99.90,   3.73,  -0.17,
04/11 23Z,   0.60,   2.17,  99.90,   2.60,  -0.17,
04/12 00Z,   0.60,   1.35,  99.90,   1.79,  -0.17,
04/12 01Z,   0.60,   1.00,  99.90,   1.43,  -0.17,  (min)
04/12 02Z,   0.60,   1.19,  99.90,   1.63,  -0.17,
04/12 03Z,   0.60,   1.84,  99.90,   2.27,  -0.17,
04/12 04Z,   0.60,   2.79,  99.90,   3.22,  -0.17,
04/12 05Z,   0.60,   3.98,  99.90,   4.42,  -0.17,
04/12 06Z,   0.60,   5.29,  99.90,   5.72,  -0.17,
04/12 07Z,   0.60,   6.48,  99.90,   6.92,  -0.17,
04/12 08Z,   0.60,   7.36,  99.90,   7.79,  -0.17,
04/12 09Z,   0.60,   7.85,  99.90,   8.28,  -0.17,
04/12 10Z,   0.60,   7.92,  99.90,   8.35,  -0.17,  (max)
04/12 11Z,   0.60,   7.56,  99.90,   7.99,  -0.17,
04/12 12Z,   0.60,   6.87,  99.90,   7.30,  -0.17,
04/12 13Z,   0.70,   6.14,  99.90,   6.67,  -0.17,
04/12 14Z,   0.70,   5.62,  99.90,   6.15,  -0.17,
04/12 15Z,   0.70,   5.38,  99.90,   5.91,  -0.17,
04/12 16Z,   0.70,   5.36,  99.90,   5.89,  -0.17,  (min)
04/12 17Z,   0.70,   5.51,  99.90,   6.04,  -0.17,
04/12 18Z,   0.60,   5.76,  99.90,   6.19,  -0.17,
04/12 19Z,   0.60,   5.93,  99.90,   6.36,  -0.17,  (max)
04/12 20Z,   0.70,   5.80,  99.90,   6.34,  -0.17,
04/12 21Z,   0.70,   5.31,  99.90,   5.84,  -0.17,
04/12 22Z,   0.60,   4.51,  99.90,   4.94,  -0.17,
04/12 23Z,   0.70,   3.49,  99.90,   4.02,  -0.17,
04/13 00Z,   0.70,   2.41,  99.90,   2.94,  -0.17,
04/13 01Z,   0.60,   1.55,  99.90,   1.98,  -0.17,
04/13 02Z,   0.60,   1.20,  99.90,   1.63,  -0.17,  (min)
04/13 03Z,   0.70,   1.45,  99.90,   1.98,  -0.17,
04/13 04Z,   0.70,   2.17,  99.90,   2.70,  -0.17,
04/13 05Z,   0.70,   3.21,  99.90,   3.75,  -0.17,
04/13 06Z,   0.60,   4.49,  99.90,   4.92,  -0.17,
04/13 07Z,   0.60,   5.83,  99.90,   6.27,  -0.17,
04/13 08Z,   0.70,   6.99,  99.90,   7.52,  -0.17,
04/13 09Z,   0.70,   7.73,  99.90,   8.26,  -0.17,
04/13 10Z,   0.60,   7.97,  99.90,   8.40,  -0.17,  (max)
04/13 11Z,   0.60,   7.67,  99.90,   8.11,  -0.17,
04/13 12Z,   0.60,   6.91,  99.90,   7.35,  -0.17,
04/13 13Z,   0.60,   5.91,  99.90,   6.35,  -0.17,
04/13 14Z,   0.50,   5.05,  99.90,   5.38,  -0.17,
04/13 15Z,   0.50,   4.58,  99.90,   4.91,  -0.17,
04/13 16Z,   0.50,   4.51,  99.90,   4.84,  -0.17,  (min)
04/13 17Z,   0.50,   4.71,  99.90,   5.05,  -0.17,
04/13 18Z,   0.40,   5.12,  99.90,   5.35,  -0.17,
04/13 19Z,   0.40,   5.62,  99.90,   5.85,  -0.17,
04/13 20Z,   0.50,   6.01,  99.90,   6.35,  -0.17,
04/13 21Z,   0.50,   6.06,  99.90,   6.40,  -0.17,  (max)
04/13 22Z,   0.50,   5.68,  99.90,   6.01,  -0.17,
04/13 23Z,   0.50,   4.90,  99.90,   5.23,  -0.17,
04/14 00Z,   0.50,   3.82,  99.90,   4.15,  -0.17,
04/14 01Z,   0.50,   2.67,  99.90,   3.00,  -0.17,
04/14 02Z,   0.50,   1.81,  99.90,   2.14,  -0.17,
04/14 03Z,   0.50,   1.55,  99.90,   1.89,  -0.17,  (min)
04/14 04Z,   0.50,   1.94,  99.90,   2.27,  -0.17,
04/14 05Z,   0.50,   2.79,  99.90,   3.12,  -0.17,
04/14 06Z,   0.40,   3.94,  99.90,   4.17,  -0.17,
04/14 07Z,   0.40,   5.27,  99.90,   5.50,  -0.17,
04/14 08Z,   0.40,   6.58,  99.90,   6.81,  -0.17,
04/14 09Z,   0.30,   7.58,  99.90,   7.71,  -0.17,
04/14 10Z,   0.40,   8.02,  99.90,   8.26,  -0.17,  (max)
04/14 11Z,   0.40,   7.83,  99.90,   8.06,  -0.17,
04/14 12Z,   0.40,   7.03,  99.90,   7.27,  -0.17,
04/14 13Z,   0.40,   5.81,  99.90,   6.05,  -0.17,
04/14 14Z,   0.40,   4.54,  99.90,   4.78,  -0.17,
04/14 15Z,   0.50,   3.66,  99.90,   3.99,  -0.17,
04/14 16Z,   0.50,   3.37,  99.90,   3.70,  -0.17,  (min)
04/14 17Z,   0.50,   3.58,  99.90,   3.92,  -0.17,
04/14 18Z,   0.50,   4.12,  99.90,   4.45,  -0.17,
04/14 19Z,   0.50,   4.85,  99.90,   5.19,  -0.17,
04/14 20Z,   0.60,   5.66,  99.90,   6.09,  -0.17,
04/14 21Z,   0.60,   6.29,  99.90,   6.72,  -0.17,
04/14 22Z,   0.60,   6.50,  99.90,   6.93,  -0.17,  (max)
04/14 23Z,   0.60,   6.18,  99.90,   6.61,  -0.17,
04/15 00Z,   0.70,   5.36,  99.90,   5.90,  -0.17,