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
#Arena Cove, CA : 08/14/2026 20:22:43 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 00Z,   0.80,   2.11,   2.72,  99.90,  -0.19,
08/13 01Z,   0.80,   2.25,   2.90,  99.90,  -0.15,  (min)
08/13 02Z,   0.80,   2.95,   3.52,  99.90,  -0.23,
08/13 03Z,   0.80,   4.05,   4.71,  99.90,  -0.14,
08/13 04Z,   0.80,   5.28,   5.93,  99.90,  -0.15,
08/13 05Z,   0.80,   6.31,   6.95,  99.90,  -0.16,
08/13 06Z,   0.70,   6.84,   7.51,  99.90,  -0.03,  (max)
08/13 07Z,   0.70,   6.68,   7.28,  99.90,  -0.10,
08/13 08Z,   0.70,   5.80,   6.41,  99.90,  -0.09,
08/13 09Z,   0.70,   4.35,   4.95,  99.90,  -0.10,
08/13 10Z,   0.70,   2.60,   3.24,  99.90,  -0.06,
08/13 11Z,   0.70,   0.92,   1.61,  99.90,  -0.01,
08/13 12Z,   0.60,  -0.34,   0.34,  99.90,   0.08,
08/13 13Z,   0.70,  -0.92,  -0.29,  99.90,  -0.07,  (min)
08/13 14Z,   0.70,  -0.72,  -0.16,  99.90,  -0.14,
08/13 15Z,   0.60,   0.18,   0.74,  99.90,  -0.04,
08/13 16Z,   0.60,   1.55,   2.10,  99.90,  -0.05,
08/13 17Z,   0.60,   3.04,   3.59,  99.90,  -0.05,
08/13 18Z,   0.70,   4.33,   4.93,  99.90,  -0.10,
08/13 19Z,   0.70,   5.11,   5.76,  99.90,  -0.05,
08/13 20Z,   0.70,   5.27,   5.94,  99.90,  -0.03,  (max)
08/13 21Z,   0.70,   4.82,   5.54,  99.90,   0.02,
08/13 22Z,   0.70,   3.95,   4.67,  99.90,   0.02,
08/13 23Z,   0.70,   2.95,   3.67,  99.90,   0.02,
08/14 00Z,   0.80,   2.13,   2.85,  99.90,  -0.08,
08/14 01Z,   0.80,   1.77,   2.36,  99.90,  -0.21,  (min)
08/14 02Z,   0.80,   1.99,   2.57,  99.90,  -0.22,
08/14 03Z,   0.80,   2.76,   3.35,  99.90,  -0.21,
08/14 04Z,   0.80,   3.90,   4.46,  99.90,  -0.24,
08/14 05Z,   0.80,   5.11,   5.69,  99.90,  -0.22,
08/14 06Z,   0.70,   6.07,   6.66,  99.90,  -0.11,
08/14 07Z,   0.70,   6.49,   7.04,  99.90,  -0.15,  (max)
08/14 08Z,   0.70,   6.23,   6.80,  99.90,  -0.13,
08/14 09Z,   0.70,   5.29,   5.87,  99.90,  -0.12,
08/14 10Z,   0.70,   3.86,   4.46,  99.90,  -0.10,
08/14 11Z,   0.70,   2.23,   2.82,  99.90,  -0.11,
08/14 12Z,   0.60,   0.77,   1.40,  99.90,   0.03,
08/14 13Z,   0.60,  -0.21,   0.36,  99.90,  -0.03,
08/14 14Z,   0.60,  -0.50,   0.11,  99.90,   0.01,  (min)
08/14 15Z,   0.60,  -0.04,   0.56,  99.90,   0.00,
08/14 16Z,   0.60,   1.02,   1.66,  99.90,   0.04,
08/14 17Z,   0.60,   2.43,   3.06,  99.90,   0.03,
08/14 18Z,   0.50,   3.84,   4.49,  99.90,   0.15,
08/14 19Z,   0.60,   4.94,   5.54,  99.90,   0.00,
08/14 20Z,   0.60,   5.47,   6.07,  99.90,  -0.00,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/14 21Z,   0.50,   5.36,  99.90,   5.85,  -0.01,
08/14 22Z,   0.50,   4.69,  99.90,   5.17,  -0.02,
08/14 23Z,   0.50,   3.67,  99.90,   4.14,  -0.03,
08/15 00Z,   0.50,   2.60,  99.90,   3.06,  -0.04,
08/15 01Z,   0.50,   1.81,  99.90,   2.26,  -0.05,
08/15 02Z,   0.50,   1.50,  99.90,   1.94,  -0.06,  (min)
08/15 03Z,   0.50,   1.79,  99.90,   2.22,  -0.07,
08/15 04Z,   0.50,   2.59,  99.90,   3.01,  -0.08,
08/15 05Z,   0.50,   3.70,  99.90,   4.11,  -0.09,
08/15 06Z,   0.50,   4.83,  99.90,   5.23,  -0.10,
08/15 07Z,   0.50,   5.66,  99.90,   6.06,  -0.11,
08/15 08Z,   0.50,   5.97,  99.90,   6.35,  -0.12,  (max)
08/15 09Z,   0.50,   5.63,  99.90,   6.01,  -0.12,
08/15 10Z,   0.50,   4.70,  99.90,   5.08,  -0.12,
08/15 11Z,   0.50,   3.39,  99.90,   3.77,  -0.12,
08/15 12Z,   0.50,   1.98,  99.90,   2.37,  -0.12,
08/15 13Z,   0.50,   0.82,  99.90,   1.20,  -0.12,
08/15 14Z,   0.50,   0.17,  99.90,   0.55,  -0.12,  (min)
08/15 15Z,   0.50,   0.17,  99.90,   0.56,  -0.12,
08/15 16Z,   0.50,   0.83,  99.90,   1.21,  -0.12,
08/15 17Z,   0.50,   1.97,  99.90,   2.35,  -0.12,
08/15 18Z,   0.40,   3.32,  99.90,   3.60,  -0.12,
08/15 19Z,   0.40,   4.55,  99.90,   4.84,  -0.12,
08/15 20Z,   0.40,   5.39,  99.90,   5.67,  -0.12,
08/15 21Z,   0.40,   5.65,  99.90,   5.93,  -0.12,  (max)
08/15 22Z,   0.40,   5.29,  99.90,   5.58,  -0.12,
08/15 23Z,   0.40,   4.45,  99.90,   4.73,  -0.12,
08/16 00Z,   0.40,   3.35,  99.90,   3.63,  -0.12,
08/16 01Z,   0.40,   2.29,  99.90,   2.57,  -0.12,
08/16 02Z,   0.40,   1.55,  99.90,   1.84,  -0.12,
08/16 03Z,   0.40,   1.32,  99.90,   1.60,  -0.12,  (min)
08/16 04Z,   0.40,   1.64,  99.90,   1.92,  -0.12,
08/16 05Z,   0.40,   2.42,  99.90,   2.70,  -0.12,
08/16 06Z,   0.40,   3.44,  99.90,   3.73,  -0.12,
08/16 07Z,   0.40,   4.44,  99.90,   4.72,  -0.12,
08/16 08Z,   0.40,   5.13,  99.90,   5.41,  -0.12,
08/16 09Z,   0.40,   5.33,  99.90,   5.61,  -0.12,  (max)
08/16 10Z,   0.40,   4.97,  99.90,   5.25,  -0.12,
08/16 11Z,   0.40,   4.14,  99.90,   4.42,  -0.12,
08/16 12Z,   0.50,   3.03,  99.90,   3.41,  -0.12,
08/16 13Z,   0.50,   1.92,  99.90,   2.31,  -0.12,
08/16 14Z,   0.50,   1.10,  99.90,   1.48,  -0.12,
08/16 15Z,   0.40,   0.76,  99.90,   1.05,  -0.12,  (min)
08/16 16Z,   0.40,   1.01,  99.90,   1.29,  -0.12,
08/16 17Z,   0.40,   1.77,  99.90,   2.06,  -0.12,
08/16 18Z,   0.40,   2.89,  99.90,   3.17,  -0.12,
08/16 19Z,   0.40,   4.08,  99.90,   4.37,  -0.12,
08/16 20Z,   0.40,   5.07,  99.90,   5.36,  -0.12,
08/16 21Z,   0.40,   5.63,  99.90,   5.91,  -0.12,
08/16 22Z,   0.50,   5.63,  99.90,   6.02,  -0.12,  (max)
08/16 23Z,   0.40,   5.09,  99.90,   5.37,  -0.12,
08/17 00Z,   0.40,   4.15,  99.90,   4.43,  -0.12,
08/17 01Z,   0.50,   3.04,  99.90,   3.43,  -0.12,
08/17 02Z,   0.50,   2.04,  99.90,   2.43,  -0.12,
08/17 03Z,   0.50,   1.38,  99.90,   1.76,  -0.12,
08/17 04Z,   0.50,   1.20,  99.90,   1.58,  -0.12,  (min)
08/17 05Z,   0.50,   1.52,  99.90,   1.90,  -0.12,
08/17 06Z,   0.50,   2.22,  99.90,   2.61,  -0.12,
08/17 07Z,   0.50,   3.12,  99.90,   3.50,  -0.12,
08/17 08Z,   0.50,   3.96,  99.90,   4.35,  -0.12,
08/17 09Z,   0.50,   4.53,  99.90,   4.91,  -0.12,
08/17 10Z,   0.50,   4.67,  99.90,   5.06,  -0.12,  (max)
08/17 11Z,   0.50,   4.37,  99.90,   4.75,  -0.12,
08/17 12Z,   0.50,   3.70,  99.90,   4.08,  -0.12,
08/17 13Z,   0.50,   2.86,  99.90,   3.24,  -0.12,
08/17 14Z,   0.50,   2.07,  99.90,   2.46,  -0.12,
08/17 15Z,   0.50,   1.57,  99.90,   1.95,  -0.12,
08/17 16Z,   0.50,   1.49,  99.90,   1.87,  -0.12,  (min)
08/17 17Z,   0.50,   1.88,  99.90,   2.26,  -0.12,
08/17 18Z,   0.50,   2.66,  99.90,   3.04,  -0.12,
08/17 19Z,   0.50,   3.66,  99.90,   4.04,  -0.12,
08/17 20Z,   0.50,   4.63,  99.90,   5.02,  -0.12,
08/17 21Z,   0.40,   5.36,  99.90,   5.65,  -0.12,
08/17 22Z,   0.50,   5.67,  99.90,   6.05,  -0.12,  (max)
08/17 23Z,   0.50,   5.47,  99.90,   5.86,  -0.12,
08/18 00Z,   0.50,   4.82,  99.90,   5.20,  -0.12,
08/18 01Z,   0.50,   3.86,  99.90,   4.24,  -0.12,
08/18 02Z,   0.50,   2.80,  99.90,   3.19,  -0.12,
08/18 03Z,   0.40,   1.88,  99.90,   2.17,  -0.12,
08/18 04Z,   0.40,   1.29,  99.90,   1.57,  -0.12,
08/18 05Z,   0.40,   1.13,  99.90,   1.41,  -0.12,  (min)
08/18 06Z,   0.40,   1.40,  99.90,   1.68,  -0.12,
08/18 07Z,   0.40,   2.00,  99.90,   2.28,  -0.12,
08/18 08Z,   0.50,   2.76,  99.90,   3.14,  -0.12,
08/18 09Z,   0.50,   3.46,  99.90,   3.85,  -0.12,
08/18 10Z,   0.50,   3.95,  99.90,   4.33,  -0.12,
08/18 11Z,   0.40,   4.10,  99.90,   4.39,  -0.12,  (max)
08/18 12Z,   0.50,   3.91,  99.90,   4.29,  -0.12,