ETSS stn

This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
#Friday Harbor, WA : 07/04/2025 10:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/02 18Z,   0.10,   4.05,   4.21,  99.90,   0.06,
07/02 19Z,   0.10,   4.03,   4.15,  99.90,   0.02,  (max)
07/02 20Z,   0.10,   3.78,   3.97,  99.90,   0.09,
07/02 21Z,   0.10,   3.42,   3.71,  99.90,   0.19,
07/02 22Z,   0.10,   3.10,   3.37,  99.90,   0.17,
07/02 23Z,   0.10,   2.97,   3.24,  99.90,   0.17,  (min)
07/03 00Z,   0.10,   3.15,   3.47,  99.90,   0.22,
07/03 01Z,   0.10,   3.67,   3.91,  99.90,   0.14,
07/03 02Z,   0.20,   4.46,   4.77,  99.90,   0.11,
07/03 03Z,   0.20,   5.41,   5.79,  99.90,   0.18,
07/03 04Z,   0.10,   6.39,   6.61,  99.90,   0.12,
07/03 05Z,   0.20,   7.20,   7.39,  99.90,  -0.01,
07/03 06Z,   0.30,   7.67,   7.79,  99.90,  -0.18,  (max)
07/03 07Z,   0.20,   7.69,   7.74,  99.90,  -0.15,
07/03 08Z,   0.20,   7.19,   7.20,  99.90,  -0.19,
07/03 09Z,   0.20,   6.27,   6.32,  99.90,  -0.15,
07/03 10Z,   0.20,   5.10,   5.17,  99.90,  -0.13,
07/03 11Z,   0.20,   3.90,   3.89,  99.90,  -0.21,
07/03 12Z,   0.20,   2.89,   2.84,  99.90,  -0.25,
07/03 13Z,   0.20,   2.22,   2.26,  99.90,  -0.16,
07/03 14Z,   0.20,   1.95,   1.99,  99.90,  -0.16,  (min)
07/03 15Z,   0.10,   2.05,   2.15,  99.90,  -0.00,
07/03 16Z,   0.10,   2.44,   2.70,  99.90,   0.16,
07/03 17Z,   0.10,   2.99,   3.23,  99.90,   0.14,
07/03 18Z,   0.10,   3.57,   3.81,  99.90,   0.14,
07/03 19Z,   0.00,   4.05,   4.20,  99.90,   0.15,
07/03 20Z,   0.00,   4.35,   4.45,  99.90,   0.10,
07/03 21Z,   0.00,   4.44,   4.60,  99.90,   0.16,  (max)
07/03 22Z,   0.00,   4.38,   4.59,  99.90,   0.21,
07/03 23Z,   0.00,   4.28,   4.52,  99.90,   0.24,
07/04 00Z,   0.00,   4.27,   4.48,  99.90,   0.21,  (min)
07/04 01Z,   0.00,   4.46,   4.72,  99.90,   0.26,
07/04 02Z,   0.00,   4.87,   5.19,  99.90,   0.32,
07/04 03Z,   0.00,   5.48,   5.82,  99.90,   0.34,
07/04 04Z,   0.00,   6.19,   6.55,  99.90,   0.36,
07/04 05Z,   0.00,   6.85,   7.21,  99.90,   0.36,
07/04 06Z,   0.00,   7.31,   7.56,  99.90,   0.25,  (max)
07/04 07Z,   0.00,   7.44,   7.53,  99.90,   0.09,
07/04 08Z,   0.00,   7.14,   7.21,  99.90,   0.07,
07/04 09Z,   0.00,   6.38,   6.42,  99.90,   0.04,
07/04 10Z,   0.00,   5.26,   5.26,  99.90,   0.00,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/04 11Z,   0.00,   3.95,  99.90,   3.94,  -0.00,
07/04 12Z,   0.00,   2.69,  99.90,   2.68,  -0.01,
07/04 13Z,   0.00,   1.71,  99.90,   1.69,  -0.02,
07/04 14Z,   0.00,   1.14,  99.90,   1.11,  -0.03,
07/04 15Z,   0.00,   1.03,  99.90,   1.00,  -0.04,  (min)
07/04 16Z,   0.00,   1.34,  99.90,   1.29,  -0.05,
07/04 17Z,   0.00,   1.95,  99.90,   1.89,  -0.05,
07/04 18Z,   0.00,   2.74,  99.90,   2.68,  -0.06,
07/04 19Z,   0.00,   3.59,  99.90,   3.52,  -0.07,
07/04 20Z,   0.00,   4.36,  99.90,   4.28,  -0.08,
07/04 21Z,   0.00,   4.94,  99.90,   4.86,  -0.09,
07/04 22Z,   0.00,   5.29,  99.90,   5.19,  -0.10,
07/04 23Z,   0.00,   5.42,  99.90,   5.32,  -0.10,
07/05 00Z,   0.00,   5.42,  99.90,   5.32,  -0.10,
07/05 01Z,   0.00,   5.42,  99.90,   5.33,  -0.10,
07/05 02Z,   0.00,   5.54,  99.90,   5.44,  -0.10,
07/05 03Z,   0.00,   5.82,  99.90,   5.73,  -0.10,
07/05 04Z,   0.00,   6.23,  99.90,   6.14,  -0.10,
07/05 05Z,   0.00,   6.69,  99.90,   6.59,  -0.10,
07/05 06Z,   0.00,   7.05,  99.90,   6.96,  -0.10,
07/05 07Z,   0.10,   7.21,  99.90,   7.22,  -0.10,  (max)
07/05 08Z,   0.00,   7.05,  99.90,   6.95,  -0.10,
07/05 09Z,   0.00,   6.48,  99.90,   6.38,  -0.10,
07/05 10Z,   0.00,   5.50,  99.90,   5.40,  -0.10,
07/05 11Z,   0.00,   4.21,  99.90,   4.11,  -0.10,
07/05 12Z,   0.00,   2.81,  99.90,   2.71,  -0.10,
07/05 13Z,   0.00,   1.54,  99.90,   1.44,  -0.10,
07/05 14Z,   0.00,   0.64,  99.90,   0.54,  -0.10,
07/05 15Z,   0.00,   0.24,  99.90,   0.14,  -0.10,  (min)
07/05 16Z,   0.00,   0.35,  99.90,   0.25,  -0.10,
07/05 17Z,   0.00,   0.90,  99.90,   0.80,  -0.10,
07/05 18Z,  -0.10,   1.76,  99.90,   1.56,  -0.10,
07/05 19Z,  -0.10,   2.80,  99.90,   2.60,  -0.10,
07/05 20Z,  -0.10,   3.89,  99.90,   3.70,  -0.10,
07/05 21Z,  -0.10,   4.90,  99.90,   4.70,  -0.10,
07/05 22Z,  -0.10,   5.68,  99.90,   5.49,  -0.10,
07/05 23Z,  -0.10,   6.17,  99.90,   5.97,  -0.10,
07/06 00Z,  -0.10,   6.36,  99.90,   6.17,  -0.10,  (max)
07/06 01Z,  -0.10,   6.36,  99.90,   6.16,  -0.10,
07/06 02Z,  -0.10,   6.30,  99.90,   6.11,  -0.10,  (min)
07/06 03Z,   0.00,   6.32,  99.90,   6.23,  -0.10,
07/06 04Z,  -0.10,   6.47,  99.90,   6.27,  -0.10,
07/06 05Z,  -0.10,   6.71,  99.90,   6.51,  -0.10,
07/06 06Z,   0.00,   6.94,  99.90,   6.85,  -0.10,
07/06 07Z,   0.00,   7.07,  99.90,   6.98,  -0.10,  (max)
07/06 08Z,  -0.10,   6.99,  99.90,   6.79,  -0.10,
07/06 09Z,  -0.10,   6.59,  99.90,   6.39,  -0.10,
07/06 10Z,  -0.10,   5.80,  99.90,   5.61,  -0.10,
07/06 11Z,  -0.10,   4.64,  99.90,   4.44,  -0.10,
07/06 12Z,  -0.10,   3.21,  99.90,   3.02,  -0.10,
07/06 13Z,  -0.10,   1.75,  99.90,   1.55,  -0.10,
07/06 14Z,  -0.10,   0.52,  99.90,   0.32,  -0.10,
07/06 15Z,  -0.10,  -0.24,  99.90,  -0.44,  -0.10,
07/06 16Z,  -0.10,  -0.43,  99.90,  -0.62,  -0.10,  (min)
07/06 17Z,  -0.10,  -0.07,  99.90,  -0.26,  -0.10,
07/06 18Z,  -0.10,   0.74,  99.90,   0.54,  -0.10,
07/06 19Z,  -0.10,   1.84,  99.90,   1.64,  -0.10,
07/06 20Z,  -0.10,   3.10,  99.90,   2.91,  -0.10,
07/06 21Z,  -0.10,   4.39,  99.90,   4.20,  -0.10,
07/06 22Z,  -0.10,   5.55,  99.90,   5.36,  -0.10,
07/06 23Z,  -0.10,   6.43,  99.90,   6.23,  -0.10,
07/07 00Z,  -0.10,   6.93,  99.90,   6.73,  -0.10,
07/07 01Z,   0.00,   7.08,  99.90,   6.98,  -0.10,  (max)
07/07 02Z,   0.00,   7.00,  99.90,   6.90,  -0.10,
07/07 03Z,   0.00,   6.86,  99.90,   6.76,  -0.10,
07/07 04Z,   0.00,   6.80,  99.90,   6.70,  -0.10,  (min)
07/07 05Z,   0.00,   6.84,  99.90,   6.75,  -0.10,
07/07 06Z,   0.00,   6.95,  99.90,   6.86,  -0.10,
07/07 07Z,   0.00,   7.04,  99.90,   6.94,  -0.10,  (max)
07/07 08Z,   0.00,   7.00,  99.90,   6.90,  -0.10,
07/07 09Z,   0.00,   6.73,  99.90,   6.64,  -0.10,
07/07 10Z,   0.00,   6.15,  99.90,   6.05,  -0.10,
07/07 11Z,   0.00,   5.18,  99.90,   5.08,  -0.10,
07/07 12Z,   0.00,   3.85,  99.90,   3.75,  -0.10,
07/07 13Z,   0.00,   2.30,  99.90,   2.21,  -0.10,
07/07 14Z,   0.00,   0.81,  99.90,   0.71,  -0.10,
07/07 15Z,   0.00,  -0.33,  99.90,  -0.43,  -0.10,
07/07 16Z,   0.00,  -0.91,  99.90,  -1.00,  -0.10,  (min)
07/07 17Z,   0.00,  -0.84,  99.90,  -0.94,  -0.10,
07/07 18Z,   0.00,  -0.22,  99.90,  -0.31,  -0.10,
07/07 19Z,   0.00,   0.83,  99.90,   0.73,  -0.10,
07/07 20Z,   0.00,   2.14,  99.90,   2.05,  -0.10,
07/07 21Z,   0.00,   3.59,  99.90,   3.49,  -0.10,
07/07 22Z,   0.00,   5.00,  99.90,   4.90,  -0.10,
07/07 23Z,   0.00,   6.21,  99.90,   6.12,  -0.10,
07/08 00Z,   0.00,   7.06,  99.90,   6.97,  -0.10,
07/08 01Z,  99.90,   7.47,  99.90,  99.90,  -0.10,
07/08 02Z,  99.90,   7.51,  99.90,  99.90,  -0.10,
07/08 03Z,  99.90,   7.33,  99.90,  99.90,  -0.10,
07/08 04Z,  99.90,   7.12,  99.90,  99.90,  -0.10,
07/08 05Z,  99.90,   7.01,  99.90,  99.90,  -0.10,
07/08 06Z,  99.90,   7.01,  99.90,  99.90,  -0.10,