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
#Seattle, WA : 10/09/2026 14:23:00 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/07 18Z,   0.90,   3.13,   3.27,  99.90,  -0.76,
10/07 19Z,   0.90,   5.39,   5.61,  99.90,  -0.68,
10/07 20Z,   0.90,   7.76,   8.19,  99.90,  -0.47,
10/07 21Z,   0.90,   9.75,  10.38,  99.90,  -0.27,
10/07 22Z,   0.90,  10.98,  11.58,  99.90,  -0.30,
10/07 23Z,   0.90,  11.35,  11.76,  99.90,  -0.49,  (max)
10/08 00Z,   0.80,  10.83,  11.02,  99.90,  -0.61,
10/08 01Z,   0.80,   9.44,   9.80,  99.90,  -0.44,
10/08 02Z,   0.80,   7.46,   7.91,  99.90,  -0.35,
10/08 03Z,   0.80,   5.41,   5.79,  99.90,  -0.42,
10/08 04Z,   0.80,   3.91,   4.36,  99.90,  -0.35,
10/08 05Z,   0.80,   3.31,   3.87,  99.90,  -0.24,  (min)
10/08 06Z,   0.80,   3.71,   4.49,  99.90,  -0.02,
10/08 07Z,   0.80,   4.97,   5.72,  99.90,  -0.05,
10/08 08Z,   0.80,   6.69,   7.32,  99.90,  -0.17,
10/08 09Z,   0.80,   8.32,   9.00,  99.90,  -0.12,
10/08 10Z,   0.80,   9.35,  10.13,  99.90,  -0.02,
10/08 11Z,   0.80,   9.52,  10.25,  99.90,  -0.07,  (max)
10/08 12Z,   0.90,   8.80,   9.38,  99.90,  -0.32,
10/08 13Z,   0.90,   7.26,   7.90,  99.90,  -0.26,
10/08 14Z,   0.90,   5.20,   5.84,  99.90,  -0.26,
10/08 15Z,   0.90,   3.15,   3.70,  99.90,  -0.35,
10/08 16Z,   0.90,   1.76,   2.15,  99.90,  -0.51,
10/08 17Z,   0.90,   1.47,   1.71,  99.90,  -0.66,  (min)
10/08 18Z,   0.90,   2.34,   2.61,  99.90,  -0.63,
10/08 19Z,   0.90,   4.15,   4.40,  99.90,  -0.65,
10/08 20Z,   0.90,   6.49,   6.74,  99.90,  -0.65,
10/08 21Z,   0.90,   8.81,   9.20,  99.90,  -0.51,
10/08 22Z,   0.90,  10.55,  11.08,  99.90,  -0.37,
10/08 23Z,   0.90,  11.39,  11.93,  99.90,  -0.36,  (max)
10/09 00Z,   0.90,  11.25,  11.64,  99.90,  -0.51,
10/09 01Z,   0.90,  10.14,  10.47,  99.90,  -0.57,
10/09 02Z,   0.90,   8.19,   8.78,  99.90,  -0.31,
10/09 03Z,   0.90,   5.80,   6.42,  99.90,  -0.28,
10/09 04Z,   0.90,   3.62,   4.26,  99.90,  -0.26,
10/09 05Z,   0.90,   2.26,   2.99,  99.90,  -0.17,
10/09 06Z,   0.90,   2.04,   2.91,  99.90,  -0.03,  (min)
10/09 07Z,   0.90,   2.96,   4.00,  99.90,   0.14,
10/09 08Z,   0.90,   4.73,   5.63,  99.90,   0.00,
10/09 09Z,   0.90,   6.85,   7.73,  99.90,  -0.02,
10/09 10Z,   0.90,   8.71,   9.62,  99.90,   0.01,
10/09 11Z,   0.90,   9.82,  10.85,  99.90,   0.13,
10/09 12Z,   0.90,   9.99,  10.90,  99.90,   0.01,  (max)
10/09 13Z,   1.00,   9.22,   9.96,  99.90,  -0.26,
10/09 14Z,   1.00,   7.64,   8.63,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/09 15Z,   1.00,   5.58,  99.90,   6.54,  -0.04,
10/09 16Z,   1.00,   3.65,  99.90,   4.58,  -0.07,
10/09 17Z,   1.10,   2.48,  99.90,   3.49,  -0.09,
10/09 18Z,   1.10,   2.46,  99.90,   3.43,  -0.12,  (min)
10/09 19Z,   1.20,   3.56,  99.90,   4.61,  -0.15,
10/09 20Z,   1.20,   5.50,  99.90,   6.52,  -0.18,
10/09 21Z,   1.30,   7.80,  99.90,   8.89,  -0.21,
10/09 22Z,   1.30,   9.86,  99.90,  10.93,  -0.23,
10/09 23Z,   1.40,  11.16,  99.90,  12.30,  -0.26,
10/10 00Z,   1.40,  11.43,  99.90,  12.54,  -0.29,  (max)
10/10 01Z,   1.40,  10.65,  99.90,  11.73,  -0.32,
10/10 02Z,   1.40,   8.93,  99.90,   9.99,  -0.34,
10/10 03Z,   1.30,   6.50,  99.90,   7.46,  -0.34,
10/10 04Z,   1.30,   3.90,  99.90,   4.86,  -0.34,
10/10 05Z,   1.30,   1.83,  99.90,   2.79,  -0.34,
10/10 06Z,   1.20,   0.87,  99.90,   1.73,  -0.34,  (min)
10/10 07Z,   1.20,   1.22,  99.90,   2.07,  -0.34,
10/10 08Z,   1.20,   2.71,  99.90,   3.56,  -0.34,
10/10 09Z,   1.10,   4.94,  99.90,   5.70,  -0.34,
10/10 10Z,   1.10,   7.33,  99.90,   8.09,  -0.34,
10/10 11Z,   1.10,   9.25,  99.90,  10.01,  -0.34,
10/10 12Z,   1.10,  10.30,  99.90,  11.06,  -0.34,
10/10 13Z,   1.10,  10.36,  99.90,  11.11,  -0.34,  (max)
10/10 14Z,   1.10,   9.50,  99.90,  10.26,  -0.34,
10/10 15Z,   1.10,   7.90,  99.90,   8.65,  -0.34,
10/10 16Z,   1.10,   5.93,  99.90,   6.69,  -0.34,
10/10 17Z,   1.10,   4.24,  99.90,   5.00,  -0.34,
10/10 18Z,   1.10,   3.40,  99.90,   4.16,  -0.34,  (min)
10/10 19Z,   1.10,   3.69,  99.90,   4.45,  -0.34,
10/10 20Z,   1.10,   4.99,  99.90,   5.74,  -0.34,
10/10 21Z,   1.00,   6.94,  99.90,   7.59,  -0.34,
10/10 22Z,   1.00,   9.02,  99.90,   9.68,  -0.34,
10/10 23Z,   1.00,  10.64,  99.90,  11.30,  -0.34,
10/11 00Z,   1.00,  11.34,  99.90,  12.00,  -0.34,  (max)
10/11 01Z,   1.00,  10.95,  99.90,  11.61,  -0.34,
10/11 02Z,   1.00,   9.54,  99.90,  10.20,  -0.34,
10/11 03Z,   1.00,   7.31,  99.90,   7.97,  -0.34,
10/11 04Z,   1.00,   4.60,  99.90,   5.26,  -0.34,
10/11 05Z,   1.00,   2.04,  99.90,   2.70,  -0.34,
10/11 06Z,   1.00,   0.34,  99.90,   1.00,  -0.34,
10/11 07Z,   1.00,  -0.03,  99.90,   0.63,  -0.34,  (min)
10/11 08Z,   1.00,   0.95,  99.90,   1.61,  -0.34,
10/11 09Z,   1.00,   2.98,  99.90,   3.63,  -0.34,
10/11 10Z,   1.00,   5.54,  99.90,   6.20,  -0.34,
10/11 11Z,   1.00,   8.02,  99.90,   8.67,  -0.34,
10/11 12Z,   1.00,   9.84,  99.90,  10.50,  -0.34,
10/11 13Z,   1.00,  10.70,  99.90,  11.36,  -0.34,  (max)
10/11 14Z,   1.00,  10.60,  99.90,  11.25,  -0.34,
10/11 15Z,   1.00,   9.65,  99.90,  10.31,  -0.34,
10/11 16Z,   1.00,   8.08,  99.90,   8.74,  -0.34,
10/11 17Z,   1.00,   6.31,  99.90,   6.97,  -0.34,
10/11 18Z,   1.00,   4.94,  99.90,   5.60,  -0.34,
10/11 19Z,   1.00,   4.47,  99.90,   5.13,  -0.34,  (min)
10/11 20Z,   1.00,   5.03,  99.90,   5.68,  -0.34,
10/11 21Z,   1.00,   6.40,  99.90,   7.06,  -0.34,
10/11 22Z,   1.00,   8.20,  99.90,   8.86,  -0.34,
10/11 23Z,   1.00,   9.90,  99.90,  10.56,  -0.34,
10/12 00Z,   1.00,  10.96,  99.90,  11.62,  -0.34,
10/12 01Z,   1.00,  11.02,  99.90,  11.67,  -0.34,  (max)
10/12 02Z,   1.00,  10.00,  99.90,  10.66,  -0.34,
10/12 03Z,   1.00,   8.08,  99.90,   8.73,  -0.34,
10/12 04Z,   1.00,   5.52,  99.90,   6.17,  -0.34,
10/12 05Z,   1.00,   2.77,  99.90,   3.43,  -0.34,
10/12 06Z,   1.00,   0.51,  99.90,   1.16,  -0.34,
10/12 07Z,   1.00,  -0.63,  99.90,   0.03,  -0.34,  (min)
10/12 08Z,   1.00,  -0.33,  99.90,   0.32,  -0.34,
10/12 09Z,   1.00,   1.24,  99.90,   1.90,  -0.34,
10/12 10Z,   1.00,   3.66,  99.90,   4.32,  -0.34,
10/12 11Z,   1.00,   6.37,  99.90,   7.03,  -0.34,
10/12 12Z,   1.00,   8.77,  99.90,   9.42,  -0.34,
10/12 13Z,   1.00,  10.36,  99.90,  11.02,  -0.34,
10/12 14Z,   1.00,  10.98,  99.90,  11.63,  -0.34,  (max)
10/12 15Z,   1.00,  10.70,  99.90,  11.36,  -0.34,
10/12 16Z,   1.00,   9.70,  99.90,  10.36,  -0.34,
10/12 17Z,   1.00,   8.23,  99.90,   8.89,  -0.34,
10/12 18Z,   0.90,   6.72,  99.90,   7.28,  -0.34,
10/12 19Z,   0.90,   5.71,  99.90,   6.26,  -0.34,
10/12 20Z,   0.90,   5.56,  99.90,   6.11,  -0.34,  (min)
10/12 21Z,   0.90,   6.27,  99.90,   6.83,  -0.34,
10/12 22Z,   0.90,   7.58,  99.90,   8.14,  -0.34,
10/12 23Z,   0.90,   9.08,  99.90,   9.64,  -0.34,
10/13 00Z,   0.90,  10.30,  99.90,  10.86,  -0.34,
10/13 01Z,   0.90,  10.78,  99.90,  11.33,  -0.34,  (max)
10/13 02Z,   0.90,  10.24,  99.90,  10.80,  -0.34,
10/13 03Z,   0.90,   8.73,  99.90,   9.29,  -0.34,
10/13 04Z,   0.90,   6.48,  99.90,   7.04,  -0.34,
10/13 05Z,   0.90,   3.84,  99.90,   4.39,  -0.34,
10/13 06Z,   0.90,   1.29,  99.90,   1.85,  -0.34,