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.

	Cherry Point, WA

	Friday Harbor WA

	Port Townsend

	Seattle, WA

	Port Angeles, WA

	Neah Bay, WA

	Toke Point, WA

	Astoria, OR

	South Beach, OR

	Charleston, OR

	Port Orford, OR

	Crescent City, CA

	North Spit, CA

	Arena Cove, CA

	Point Reyes, CA

	Port Chicago, CA

	San Francisco CA
#Port Townsend, WA : 10/09/2026 14:23:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 18Z,   0.80,   3.27,   3.40,  99.90,  -0.67,
10/07 19Z,   0.70,   4.82,   5.00,  99.90,  -0.52,
10/07 20Z,   0.70,   6.40,   6.55,  99.90,  -0.55,
10/07 21Z,   0.70,   7.70,   7.85,  99.90,  -0.55,
10/07 22Z,   0.80,   8.42,   8.54,  99.90,  -0.68,  (max)
10/07 23Z,   0.70,   8.38,   8.53,  99.90,  -0.55,
10/08 00Z,   0.60,   7.52,   7.80,  99.90,  -0.32,
10/08 01Z,   0.70,   6.12,   6.47,  99.90,  -0.35,
10/08 02Z,   0.70,   4.70,   5.04,  99.90,  -0.36,
10/08 03Z,   0.70,   3.74,   3.99,  99.90,  -0.45,
10/08 04Z,   0.60,   3.40,   3.67,  99.90,  -0.33,  (min)
10/08 05Z,   0.70,   3.55,   3.92,  99.90,  -0.33,
10/08 06Z,   0.70,   4.07,   4.51,  99.90,  -0.26,
10/08 07Z,   0.60,   4.87,   5.22,  99.90,  -0.25,
10/08 08Z,   0.60,   5.77,   6.20,  99.90,  -0.17,
10/08 09Z,   0.70,   6.49,   6.95,  99.90,  -0.24,
10/08 10Z,   0.70,   6.78,   7.24,  99.90,  -0.24,  (max)
10/08 11Z,   0.60,   6.46,   6.87,  99.90,  -0.19,
10/08 12Z,   0.70,   5.50,   5.93,  99.90,  -0.27,
10/08 13Z,   0.80,   4.08,   4.54,  99.90,  -0.34,
10/08 14Z,   0.80,   2.64,   2.97,  99.90,  -0.47,
10/08 15Z,   0.70,   1.72,   1.83,  99.90,  -0.59,
10/08 16Z,   0.70,   1.54,   1.57,  99.90,  -0.67,  (min)
10/08 17Z,   0.80,   2.03,   2.13,  99.90,  -0.70,
10/08 18Z,   0.80,   2.97,   3.17,  99.90,  -0.60,
10/08 19Z,   0.80,   4.27,   4.34,  99.90,  -0.73,
10/08 20Z,   0.80,   5.77,   5.96,  99.90,  -0.61,
10/08 21Z,   0.80,   7.19,   7.32,  99.90,  -0.67,
10/08 22Z,   0.80,   8.19,   8.38,  99.90,  -0.61,
10/08 23Z,   0.80,   8.48,   8.58,  99.90,  -0.70,  (max)
10/09 00Z,   0.80,   7.91,   8.16,  99.90,  -0.55,
10/09 01Z,   0.80,   6.55,   6.96,  99.90,  -0.39,
10/09 02Z,   0.90,   4.79,   5.24,  99.90,  -0.45,
10/09 03Z,   0.80,   3.24,   3.68,  99.90,  -0.36,
10/09 04Z,   0.80,   2.38,   2.77,  99.90,  -0.41,  (min)
10/09 05Z,   0.90,   2.26,   2.80,  99.90,  -0.36,
10/09 06Z,   0.80,   2.69,   3.32,  99.90,  -0.17,
10/09 07Z,   0.80,   3.51,   4.11,  99.90,  -0.20,
10/09 08Z,   0.80,   4.62,   5.16,  99.90,  -0.26,
10/09 09Z,   0.90,   5.78,   6.39,  99.90,  -0.29,
10/09 10Z,   0.90,   6.72,   7.35,  99.90,  -0.27,
10/09 11Z,   0.80,   7.14,   7.74,  99.90,  -0.20,  (max)
10/09 12Z,   0.90,   6.89,   7.49,  99.90,  -0.30,
10/09 13Z,   1.00,   5.95,   6.67,  99.90,  -0.28,
10/09 14Z,   1.00,   4.56,   5.34,  99.90,  -0.22,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 15Z,   1.00,   3.24,  99.90,   4.01,  -0.23,
10/09 16Z,   1.10,   2.50,  99.90,   3.36,  -0.24,  (min)
10/09 17Z,   1.20,   2.52,  99.90,   3.47,  -0.25,
10/09 18Z,   1.30,   3.14,  99.90,   4.17,  -0.27,
10/09 19Z,   1.30,   4.14,  99.90,   5.16,  -0.28,
10/09 20Z,   1.30,   5.40,  99.90,   6.41,  -0.29,
10/09 21Z,   1.30,   6.75,  99.90,   7.75,  -0.30,
10/09 22Z,   1.30,   7.87,  99.90,   8.86,  -0.32,
10/09 23Z,   1.20,   8.43,  99.90,   9.30,  -0.33,  (max)
10/10 00Z,   1.20,   8.17,  99.90,   9.03,  -0.34,
10/10 01Z,   1.10,   7.04,  99.90,   7.78,  -0.35,
10/10 02Z,   1.10,   5.22,  99.90,   5.96,  -0.37,
10/10 03Z,   1.00,   3.25,  99.90,   3.89,  -0.37,
10/10 04Z,   1.00,   1.78,  99.90,   2.41,  -0.37,
10/10 05Z,   1.00,   1.17,  99.90,   1.80,  -0.37,  (min)
10/10 06Z,   0.90,   1.37,  99.90,   1.90,  -0.37,
10/10 07Z,   0.90,   2.13,  99.90,   2.67,  -0.37,
10/10 08Z,   0.90,   3.27,  99.90,   3.80,  -0.37,
10/10 09Z,   0.90,   4.64,  99.90,   5.17,  -0.37,
10/10 10Z,   0.90,   6.00,  99.90,   6.54,  -0.37,
10/10 11Z,   0.90,   7.05,  99.90,   7.59,  -0.37,
10/10 12Z,   0.90,   7.52,  99.90,   8.06,  -0.37,  (max)
10/10 13Z,   0.90,   7.27,  99.90,   7.80,  -0.37,
10/10 14Z,   0.90,   6.33,  99.90,   6.87,  -0.37,
10/10 15Z,   0.90,   5.03,  99.90,   5.57,  -0.37,
10/10 16Z,   0.90,   3.91,  99.90,   4.45,  -0.37,
10/10 17Z,   0.90,   3.42,  99.90,   3.96,  -0.37,  (min)
10/10 18Z,   0.90,   3.64,  99.90,   4.17,  -0.37,
10/10 19Z,   0.80,   4.35,  99.90,   4.78,  -0.37,
10/10 20Z,   0.90,   5.33,  99.90,   5.87,  -0.37,
10/10 21Z,   0.90,   6.47,  99.90,   7.00,  -0.37,
10/10 22Z,   0.80,   7.56,  99.90,   7.99,  -0.37,
10/10 23Z,   0.80,   8.26,  99.90,   8.70,  -0.37,
10/11 00Z,   0.90,   8.28,  99.90,   8.81,  -0.37,  (max)
10/11 01Z,   0.90,   7.44,  99.90,   7.98,  -0.37,
10/11 02Z,   0.90,   5.81,  99.90,   6.34,  -0.37,
10/11 03Z,   0.90,   3.71,  99.90,   4.24,  -0.37,
10/11 04Z,   0.90,   1.74,  99.90,   2.28,  -0.37,
10/11 05Z,   0.80,   0.52,  99.90,   0.95,  -0.37,
10/11 06Z,   0.80,   0.29,  99.90,   0.72,  -0.37,  (min)
10/11 07Z,   0.80,   0.86,  99.90,   1.30,  -0.37,
10/11 08Z,   0.80,   1.95,  99.90,   2.38,  -0.37,
10/11 09Z,   0.80,   3.35,  99.90,   3.78,  -0.37,
10/11 10Z,   0.80,   4.91,  99.90,   5.35,  -0.37,
10/11 11Z,   0.80,   6.38,  99.90,   6.82,  -0.37,
10/11 12Z,   0.80,   7.44,  99.90,   7.88,  -0.37,
10/11 13Z,   0.80,   7.87,  99.90,   8.31,  -0.37,  (max)
10/11 14Z,   0.80,   7.58,  99.90,   8.01,  -0.37,
10/11 15Z,   0.80,   6.67,  99.90,   7.11,  -0.37,
10/11 16Z,   0.80,   5.52,  99.90,   5.96,  -0.37,
10/11 17Z,   0.80,   4.65,  99.90,   5.08,  -0.37,
10/11 18Z,   0.80,   4.41,  99.90,   4.84,  -0.37,  (min)
10/11 19Z,   0.80,   4.77,  99.90,   5.20,  -0.37,
10/11 20Z,   0.80,   5.49,  99.90,   5.92,  -0.37,
10/11 21Z,   0.80,   6.36,  99.90,   6.80,  -0.37,
10/11 22Z,   0.80,   7.28,  99.90,   7.72,  -0.37,
10/11 23Z,   0.80,   8.02,  99.90,   8.45,  -0.37,
10/12 00Z,   0.80,   8.25,  99.90,   8.68,  -0.37,  (max)
10/12 01Z,   0.90,   7.71,  99.90,   8.25,  -0.37,
10/12 02Z,   0.90,   6.38,  99.90,   6.91,  -0.37,
10/12 03Z,   0.90,   4.41,  99.90,   4.94,  -0.37,
10/12 04Z,   0.90,   2.23,  99.90,   2.77,  -0.37,
10/12 05Z,   0.90,   0.48,  99.90,   1.02,  -0.37,
10/12 06Z,   0.80,  -0.35,  99.90,   0.09,  -0.37,  (min)
10/12 07Z,   0.80,  -0.16,  99.90,   0.28,  -0.37,
10/12 08Z,   0.80,   0.77,  99.90,   1.21,  -0.37,
10/12 09Z,   0.80,   2.12,  99.90,   2.55,  -0.37,
10/12 10Z,   0.80,   3.70,  99.90,   4.14,  -0.37,
10/12 11Z,   0.80,   5.36,  99.90,   5.80,  -0.37,
10/12 12Z,   0.80,   6.83,  99.90,   7.26,  -0.37,
10/12 13Z,   0.80,   7.81,  99.90,   8.25,  -0.37,
10/12 14Z,   0.80,   8.15,  99.90,   8.58,  -0.37,  (max)
10/12 15Z,   0.80,   7.82,  99.90,   8.25,  -0.37,
10/12 16Z,   0.70,   6.98,  99.90,   7.32,  -0.37,
10/12 17Z,   0.80,   6.02,  99.90,   6.46,  -0.37,
10/12 18Z,   0.70,   5.40,  99.90,   5.73,  -0.37,
10/12 19Z,   0.70,   5.35,  99.90,   5.68,  -0.37,  (min)
10/12 20Z,   0.70,   5.76,  99.90,   6.10,  -0.37,
10/12 21Z,   0.70,   6.39,  99.90,   6.73,  -0.37,
10/12 22Z,   0.70,   7.08,  99.90,   7.42,  -0.37,
10/12 23Z,   0.70,   7.72,  99.90,   8.06,  -0.37,
10/13 00Z,   0.70,   8.08,  99.90,   8.41,  -0.37,  (max)
10/13 01Z,   0.70,   7.84,  99.90,   8.17,  -0.37,
10/13 02Z,   0.70,   6.84,  99.90,   7.17,  -0.37,
10/13 03Z,   0.70,   5.15,  99.90,   5.49,  -0.37,
10/13 04Z,   0.70,   3.06,  99.90,   3.39,  -0.37,
10/13 05Z,   0.70,   1.03,  99.90,   1.36,  -0.37,
10/13 06Z,   0.70,  -0.36,  99.90,  -0.03,  -0.37,