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 : 04/22/2026 23:22:32 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/21 06Z,   0.60,   7.84,   8.53,  99.90,   0.09,  (max)
04/21 07Z,   0.60,   7.36,   8.07,  99.90,   0.11,
04/21 08Z,   0.60,   6.88,   7.77,  99.90,   0.29,
04/21 09Z,   0.70,   6.62,   7.54,  99.90,   0.22,  (min)
04/21 10Z,   0.70,   6.63,   7.63,  99.90,   0.30,
04/21 11Z,   0.70,   6.86,   7.85,  99.90,   0.29,
04/21 12Z,   0.60,   7.18,   8.18,  99.90,   0.40,
04/21 13Z,   0.70,   7.40,   8.40,  99.90,   0.30,  (max)
04/21 14Z,   0.70,   7.35,   8.35,  99.90,   0.30,
04/21 15Z,   0.70,   6.87,   7.73,  99.90,   0.16,
04/21 16Z,   0.60,   5.85,   6.64,  99.90,   0.19,
04/21 17Z,   0.70,   4.28,   5.10,  99.90,   0.12,
04/21 18Z,   0.80,   2.34,   3.07,  99.90,  -0.07,
04/21 19Z,   0.80,   0.37,   1.02,  99.90,  -0.15,
04/21 20Z,   0.70,  -1.21,  -0.70,  99.90,  -0.19,
04/21 21Z,   0.80,  -2.09,  -1.49,  99.90,  -0.20,  (min)
04/21 22Z,   0.80,  -2.11,  -1.40,  99.90,  -0.09,
04/21 23Z,   0.80,  -1.32,  -0.65,  99.90,  -0.13,
04/22 00Z,   0.80,   0.09,   0.67,  99.90,  -0.22,
04/22 01Z,   0.80,   1.86,   2.37,  99.90,  -0.29,
04/22 02Z,   0.90,   3.74,   4.16,  99.90,  -0.48,
04/22 03Z,   0.80,   5.48,   5.99,  99.90,  -0.29,
04/22 04Z,   0.80,   6.86,   7.47,  99.90,  -0.19,
04/22 05Z,   0.80,   7.74,   8.33,  99.90,  -0.21,
04/22 06Z,   0.80,   8.07,   8.73,  99.90,  -0.14,  (max)
04/22 07Z,   0.70,   7.95,   8.65,  99.90,  -0.00,
04/22 08Z,   0.70,   7.58,   8.30,  99.90,   0.02,
04/22 09Z,   0.70,   7.17,   7.96,  99.90,   0.09,
04/22 10Z,   0.70,   6.90,   7.72,  99.90,   0.12,
04/22 11Z,   0.70,   6.83,   7.62,  99.90,   0.09,  (min)
04/22 12Z,   0.70,   6.91,   7.69,  99.90,   0.08,
04/22 13Z,   0.70,   7.06,   7.87,  99.90,   0.11,
04/22 14Z,   0.70,   7.12,   7.92,  99.90,   0.10,  (max)
04/22 15Z,   0.70,   6.96,   7.74,  99.90,   0.08,
04/22 16Z,   0.70,   6.42,   7.06,  99.90,  -0.06,
04/22 17Z,   0.70,   5.40,   6.00,  99.90,  -0.10,
04/22 18Z,   0.70,   3.93,   4.55,  99.90,  -0.08,
04/22 19Z,   0.60,   2.17,   2.73,  99.90,  -0.04,
04/22 20Z,   0.60,   0.44,   0.87,  99.90,  -0.17,
04/22 21Z,   0.60,  -0.93,  -0.58,  99.90,  -0.25,
04/22 22Z,   0.60,  -1.66,  -1.32,  99.90,  -0.26,  (min)
04/22 23Z,   0.60,  -1.63,  -1.18,  99.90,  -0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/23 00Z,   0.50,  -0.89,  99.90,  -0.52,  -0.13,
04/23 01Z,   0.50,   0.41,  99.90,   0.79,  -0.12,
04/23 02Z,   0.50,   2.05,  99.90,   2.45,  -0.10,
04/23 03Z,   0.50,   3.80,  99.90,   4.21,  -0.08,
04/23 04Z,   0.50,   5.44,  99.90,   5.87,  -0.06,
04/23 05Z,   0.50,   6.76,  99.90,   7.22,  -0.05,
04/23 06Z,   0.50,   7.64,  99.90,   8.11,  -0.03,
04/23 07Z,   0.50,   8.01,  99.90,   8.50,  -0.01,  (max)
04/23 08Z,   0.40,   7.95,  99.90,   8.36,   0.01,
04/23 09Z,   0.50,   7.63,  99.90,   8.15,   0.02,
04/23 10Z,   0.40,   7.21,  99.90,   7.65,   0.04,
04/23 11Z,   0.40,   6.86,  99.90,   7.32,   0.06,
04/23 12Z,   0.40,   6.65,  99.90,   7.11,   0.06,
04/23 13Z,   0.40,   6.58,  99.90,   7.04,   0.06,
04/23 14Z,   0.30,   6.59,  99.90,   6.94,   0.06,
04/23 15Z,   0.30,   6.56,  99.90,   6.92,   0.06,
04/23 16Z,   0.40,   6.38,  99.90,   6.84,   0.06,
04/23 17Z,   0.40,   5.90,  99.90,   6.35,   0.06,
04/23 18Z,   0.30,   5.02,  99.90,   5.38,   0.06,
04/23 19Z,   0.30,   3.76,  99.90,   4.12,   0.06,
04/23 20Z,   0.30,   2.27,  99.90,   2.63,   0.06,
04/23 21Z,   0.30,   0.80,  99.90,   1.16,   0.06,
04/23 22Z,   0.30,  -0.36,  99.90,  -0.00,   0.06,
04/23 23Z,   0.30,  -0.99,  99.90,  -0.63,   0.06,  (min)
04/24 00Z,   0.30,  -0.97,  99.90,  -0.61,   0.06,
04/24 01Z,   0.30,  -0.33,  99.90,   0.03,   0.06,
04/24 02Z,   0.30,   0.82,  99.90,   1.18,   0.06,
04/24 03Z,   0.30,   2.31,  99.90,   2.66,   0.06,
04/24 04Z,   0.40,   3.92,  99.90,   4.38,   0.06,
04/24 05Z,   0.40,   5.45,  99.90,   5.91,   0.06,
04/24 06Z,   0.40,   6.71,  99.90,   7.17,   0.06,
04/24 07Z,   0.40,   7.56,  99.90,   8.02,   0.06,
04/24 08Z,   0.40,   7.93,  99.90,   8.39,   0.06,  (max)
04/24 09Z,   0.40,   7.86,  99.90,   8.32,   0.06,
04/24 10Z,   0.40,   7.48,  99.90,   7.94,   0.06,
04/24 11Z,   0.40,   6.96,  99.90,   7.42,   0.06,
04/24 12Z,   0.40,   6.46,  99.90,   6.92,   0.06,
04/24 13Z,   0.40,   6.09,  99.90,   6.55,   0.06,
04/24 14Z,   0.40,   5.88,  99.90,   6.34,   0.06,
04/24 15Z,   0.40,   5.81,  99.90,   6.27,   0.06,
04/24 16Z,   0.40,   5.78,  99.90,   6.24,   0.06,
04/24 17Z,   0.40,   5.68,  99.90,   6.14,   0.06,
04/24 18Z,   0.40,   5.36,  99.90,   5.82,   0.06,
04/24 19Z,   0.40,   4.72,  99.90,   5.18,   0.06,
04/24 20Z,   0.40,   3.76,  99.90,   4.22,   0.06,
04/24 21Z,   0.40,   2.58,  99.90,   3.04,   0.06,
04/24 22Z,   0.40,   1.37,  99.90,   1.83,   0.06,
04/24 23Z,   0.40,   0.39,  99.90,   0.84,   0.06,
04/25 00Z,   0.40,  -0.18,  99.90,   0.28,   0.06,
04/25 01Z,   0.40,  -0.19,  99.90,   0.27,   0.06,  (min)
04/25 02Z,   0.40,   0.35,  99.90,   0.81,   0.06,
04/25 03Z,   0.50,   1.37,  99.90,   1.93,   0.06,
04/25 04Z,   0.50,   2.71,  99.90,   3.27,   0.06,
04/25 05Z,   0.50,   4.19,  99.90,   4.75,   0.06,
04/25 06Z,   0.50,   5.61,  99.90,   6.17,   0.06,
04/25 07Z,   0.50,   6.79,  99.90,   7.34,   0.06,
04/25 08Z,   0.50,   7.55,  99.90,   8.11,   0.06,
04/25 09Z,   0.50,   7.83,  99.90,   8.39,   0.06,  (max)
04/25 10Z,   0.50,   7.64,  99.90,   8.20,   0.06,
04/25 11Z,   0.50,   7.10,  99.90,   7.65,   0.06,
04/25 12Z,   0.60,   6.38,  99.90,   7.04,   0.06,
04/25 13Z,   0.60,   5.70,  99.90,   6.35,   0.06,
04/25 14Z,   0.50,   5.18,  99.90,   5.73,   0.06,
04/25 15Z,   0.50,   4.89,  99.90,   5.45,   0.06,  (min)
04/25 16Z,   0.60,   4.83,  99.90,   5.48,   0.06,
04/25 17Z,   0.60,   4.89,  99.90,   5.55,   0.06,
04/25 18Z,   0.60,   4.96,  99.90,   5.62,   0.06,  (max)
04/25 19Z,   0.60,   4.88,  99.90,   5.54,   0.06,
04/25 20Z,   0.60,   4.55,  99.90,   5.21,   0.06,
04/25 21Z,   0.60,   3.92,  99.90,   4.58,   0.06,
04/25 22Z,   0.60,   3.04,  99.90,   3.70,   0.06,
04/25 23Z,   0.60,   2.07,  99.90,   2.73,   0.06,
04/26 00Z,   0.60,   1.22,  99.90,   1.88,   0.06,
04/26 01Z,   0.60,   0.71,  99.90,   1.36,   0.06,  (min)
04/26 02Z,   0.70,   0.67,  99.90,   1.43,   0.06,
04/26 03Z,   0.70,   1.15,  99.90,   1.91,   0.06,
04/26 04Z,   0.70,   2.07,  99.90,   2.83,   0.06,
04/26 05Z,   0.70,   3.30,  99.90,   4.06,   0.06,
04/26 06Z,   0.70,   4.66,  99.90,   5.41,   0.06,
04/26 07Z,   0.70,   5.95,  99.90,   6.71,   0.06,
04/26 08Z,   0.70,   6.98,  99.90,   7.74,   0.06,
04/26 09Z,   0.70,   7.58,  99.90,   8.34,   0.06,
04/26 10Z,   0.70,   7.66,  99.90,   8.42,   0.06,  (max)
04/26 11Z,   0.70,   7.22,  99.90,   7.98,   0.06,
04/26 12Z,   0.80,   6.42,  99.90,   7.28,   0.06,
04/26 13Z,   0.80,   5.48,  99.90,   6.33,   0.06,
04/26 14Z,   0.70,   4.62,  99.90,   5.38,   0.06,
04/26 15Z,   0.70,   4.02,  99.90,   4.78,   0.06,
04/26 16Z,   0.80,   3.75,  99.90,   4.61,   0.06,  (min)
04/26 17Z,   0.80,   3.79,  99.90,   4.65,   0.06,
04/26 18Z,   0.70,   4.03,  99.90,   4.79,   0.06,