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
#Friday Harbor, WA : 10/17/2026 14:21:54 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 18Z,   0.20,   7.93,   7.52,  99.90,  -0.61,  (max)
10/15 19Z,   0.20,   7.64,   7.17,  99.90,  -0.67,
10/15 20Z,   0.10,   7.24,   6.77,  99.90,  -0.57,
10/15 21Z,   0.20,   6.90,   6.52,  99.90,  -0.58,
10/15 22Z,   0.20,   6.69,   6.34,  99.90,  -0.55,  (min)
10/15 23Z,   0.20,   6.62,   6.36,  99.90,  -0.46,
10/16 00Z,   0.20,   6.62,   6.41,  99.90,  -0.41,
10/16 01Z,   0.30,   6.60,   6.50,  99.90,  -0.40,  (max)
10/16 02Z,   0.30,   6.47,   6.43,  99.90,  -0.34,
10/16 03Z,   0.30,   6.13,   6.10,  99.90,  -0.33,
10/16 04Z,   0.30,   5.46,   5.44,  99.90,  -0.32,
10/16 05Z,   0.30,   4.44,   4.39,  99.90,  -0.35,
10/16 06Z,   0.30,   3.13,   3.08,  99.90,  -0.35,
10/16 07Z,   0.30,   1.75,   1.78,  99.90,  -0.27,
10/16 08Z,   0.30,   0.59,   0.68,  99.90,  -0.21,
10/16 09Z,   0.40,  -0.09,   0.03,  99.90,  -0.28,
10/16 10Z,   0.40,  -0.16,  -0.04,  99.90,  -0.28,  (min)
10/16 11Z,   0.40,   0.38,   0.43,  99.90,  -0.35,
10/16 12Z,   0.40,   1.38,   1.38,  99.90,  -0.40,
10/16 13Z,   0.40,   2.67,   2.69,  99.90,  -0.38,
10/16 14Z,   0.50,   4.07,   4.11,  99.90,  -0.46,
10/16 15Z,   0.50,   5.42,   5.45,  99.90,  -0.47,
10/16 16Z,   0.40,   6.57,   6.57,  99.90,  -0.40,
10/16 17Z,   0.50,   7.38,   7.36,  99.90,  -0.52,
10/16 18Z,   0.50,   7.80,   7.86,  99.90,  -0.44,  (max)
10/16 19Z,   0.50,   7.84,   7.85,  99.90,  -0.49,
10/16 20Z,   0.50,   7.62,   7.57,  99.90,  -0.55,
10/16 21Z,   0.60,   7.28,   7.22,  99.90,  -0.66,
10/16 22Z,   0.60,   6.97,   6.94,  99.90,  -0.63,
10/16 23Z,   0.60,   6.73,   6.83,  99.90,  -0.50,
10/17 00Z,   0.70,   6.57,   6.75,  99.90,  -0.52,
10/17 01Z,   0.70,   6.46,   6.71,  99.90,  -0.45,
10/17 02Z,   0.80,   6.32,   6.61,  99.90,  -0.51,
10/17 03Z,   0.80,   6.09,   6.45,  99.90,  -0.44,
10/17 04Z,   0.80,   5.67,   5.97,  99.90,  -0.50,
10/17 05Z,   0.80,   4.98,   5.27,  99.90,  -0.51,
10/17 06Z,   0.80,   4.00,   4.21,  99.90,  -0.59,
10/17 07Z,   0.80,   2.82,   3.05,  99.90,  -0.57,
10/17 08Z,   0.80,   1.63,   1.98,  99.90,  -0.45,
10/17 09Z,   0.90,   0.68,   1.09,  99.90,  -0.49,
10/17 10Z,   0.80,   0.18,   0.66,  99.90,  -0.32,
10/17 11Z,   0.80,   0.22,   0.66,  99.90,  -0.36,  (min)
10/17 12Z,   0.80,   0.77,   1.23,  99.90,  -0.34,
10/17 13Z,   0.90,   1.71,   2.16,  99.90,  -0.45,
10/17 14Z,   0.80,   2.90,   3.40,  99.90,  -0.30,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 15Z,   0.80,   4.18,  99.90,   4.67,  -0.31,
10/17 16Z,   0.80,   5.42,  99.90,   5.89,  -0.33,
10/17 17Z,   0.80,   6.47,  99.90,   6.92,  -0.34,
10/17 18Z,   0.80,   7.22,  99.90,   7.66,  -0.36,
10/17 19Z,   0.70,   7.63,  99.90,   7.95,  -0.37,
10/17 20Z,   0.70,   7.69,  99.90,   8.01,  -0.39,  (max)
10/17 21Z,   0.70,   7.51,  99.90,   7.81,  -0.40,
10/17 22Z,   0.80,   7.19,  99.90,   7.57,  -0.42,
10/17 23Z,   0.70,   6.85,  99.90,   7.12,  -0.43,
10/18 00Z,   0.70,   6.55,  99.90,   6.80,  -0.45,
10/18 01Z,   0.70,   6.30,  99.90,   6.54,  -0.46,
10/18 02Z,   0.70,   6.11,  99.90,   6.33,  -0.48,
10/18 03Z,   0.60,   5.91,  99.90,   6.04,  -0.48,
10/18 04Z,   0.60,   5.65,  99.90,   5.78,  -0.48,
10/18 05Z,   0.60,   5.24,  99.90,   5.37,  -0.48,
10/18 06Z,   0.50,   4.61,  99.90,   4.64,  -0.48,
10/18 07Z,   0.50,   3.75,  99.90,   3.77,  -0.48,
10/18 08Z,   0.50,   2.73,  99.90,   2.75,  -0.48,
10/18 09Z,   0.50,   1.72,  99.90,   1.75,  -0.48,
10/18 10Z,   0.50,   0.93,  99.90,   0.95,  -0.48,
10/18 11Z,   0.50,   0.52,  99.90,   0.55,  -0.48,  (min)
10/18 12Z,   0.50,   0.58,  99.90,   0.60,  -0.48,
10/18 13Z,   0.50,   1.08,  99.90,   1.11,  -0.48,
10/18 14Z,   0.50,   1.95,  99.90,   1.97,  -0.48,
10/18 15Z,   0.50,   3.04,  99.90,   3.07,  -0.48,
10/18 16Z,   0.50,   4.23,  99.90,   4.25,  -0.48,
10/18 17Z,   0.50,   5.38,  99.90,   5.40,  -0.48,
10/18 18Z,   0.50,   6.37,  99.90,   6.39,  -0.48,
10/18 19Z,   0.50,   7.08,  99.90,   7.11,  -0.48,
10/18 20Z,   0.50,   7.47,  99.90,   7.49,  -0.48,
10/18 21Z,   0.50,   7.52,  99.90,   7.54,  -0.48,  (max)
10/18 22Z,   0.50,   7.30,  99.90,   7.32,  -0.48,
10/18 23Z,   0.50,   6.92,  99.90,   6.94,  -0.48,
10/19 00Z,   0.60,   6.49,  99.90,   6.62,  -0.48,
10/19 01Z,   0.60,   6.11,  99.90,   6.24,  -0.48,
10/19 02Z,   0.70,   5.82,  99.90,   6.04,  -0.48,
10/19 03Z,   0.70,   5.60,  99.90,   5.83,  -0.48,
10/19 04Z,   0.70,   5.43,  99.90,   5.65,  -0.48,
10/19 05Z,   0.70,   5.22,  99.90,   5.45,  -0.48,
10/19 06Z,   0.70,   4.90,  99.90,   5.12,  -0.48,
10/19 07Z,   0.70,   4.39,  99.90,   4.61,  -0.48,
10/19 08Z,   0.80,   3.67,  99.90,   4.00,  -0.48,
10/19 09Z,   0.80,   2.81,  99.90,   3.14,  -0.48,
10/19 10Z,   0.80,   1.94,  99.90,   2.27,  -0.48,
10/19 11Z,   0.80,   1.24,  99.90,   1.56,  -0.48,
10/19 12Z,   0.80,   0.86,  99.90,   1.19,  -0.48,  (min)
10/19 13Z,   0.80,   0.90,  99.90,   1.23,  -0.48,
10/19 14Z,   0.80,   1.37,  99.90,   1.69,  -0.48,
10/19 15Z,   0.90,   2.18,  99.90,   2.60,  -0.48,
10/19 16Z,   0.80,   3.22,  99.90,   3.54,  -0.48,
10/19 17Z,   0.80,   4.35,  99.90,   4.67,  -0.48,
10/19 18Z,   0.80,   5.44,  99.90,   5.77,  -0.48,
10/19 19Z,   0.80,   6.37,  99.90,   6.69,  -0.48,
10/19 20Z,   0.80,   7.02,  99.90,   7.35,  -0.48,
10/19 21Z,   0.80,   7.33,  99.90,   7.65,  -0.48,  (max)
10/19 22Z,   0.80,   7.27,  99.90,   7.59,  -0.48,
10/19 23Z,   0.80,   6.92,  99.90,   7.24,  -0.48,
10/20 00Z,   0.80,   6.40,  99.90,   6.73,  -0.48,
10/20 01Z,   0.80,   5.87,  99.90,   6.19,  -0.48,
10/20 02Z,   0.80,   5.43,  99.90,   5.75,  -0.48,
10/20 03Z,   0.80,   5.14,  99.90,   5.46,  -0.48,
10/20 04Z,   0.80,   4.99,  99.90,   5.31,  -0.48,
10/20 05Z,   0.80,   4.91,  99.90,   5.24,  -0.48,
10/20 06Z,   0.70,   4.83,  99.90,   5.06,  -0.48,
10/20 07Z,   0.70,   4.66,  99.90,   4.88,  -0.48,
10/20 08Z,   0.80,   4.30,  99.90,   4.63,  -0.48,
10/20 09Z,   0.70,   3.74,  99.90,   3.97,  -0.48,
10/20 10Z,   0.70,   3.02,  99.90,   3.24,  -0.48,
10/20 11Z,   0.80,   2.23,  99.90,   2.56,  -0.48,
10/20 12Z,   0.80,   1.57,  99.90,   1.89,  -0.48,
10/20 13Z,   0.70,   1.20,  99.90,   1.42,  -0.48,  (min)
10/20 14Z,   0.70,   1.24,  99.90,   1.46,  -0.48,
10/20 15Z,   0.70,   1.70,  99.90,   1.92,  -0.48,
10/20 16Z,   0.70,   2.51,  99.90,   2.73,  -0.48,
10/20 17Z,   0.70,   3.54,  99.90,   3.76,  -0.48,
10/20 18Z,   0.60,   4.64,  99.90,   4.76,  -0.48,
10/20 19Z,   0.60,   5.68,  99.90,   5.80,  -0.48,
10/20 20Z,   0.60,   6.51,  99.90,   6.64,  -0.48,
10/20 21Z,   0.60,   7.03,  99.90,   7.16,  -0.48,
10/20 22Z,   0.60,   7.15,  99.90,   7.27,  -0.48,  (max)
10/20 23Z,   0.60,   6.87,  99.90,   7.00,  -0.48,
10/21 00Z,   0.60,   6.30,  99.90,   6.42,  -0.48,
10/21 01Z,   0.60,   5.60,  99.90,   5.72,  -0.48,
10/21 02Z,   0.60,   4.96,  99.90,   5.09,  -0.48,
10/21 03Z,   0.60,   4.53,  99.90,   4.65,  -0.48,
10/21 04Z,   0.60,   4.33,  99.90,   4.46,  -0.48,  (min)
10/21 05Z,   0.60,   4.33,  99.90,   4.46,  -0.48,
10/21 06Z,   0.50,   4.44,  99.90,   4.47,  -0.48,