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 : 07/11/2026 22:21:07 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/10 06Z,   0.60,  -0.53,  -0.27,  99.90,  -0.34,
07/10 07Z,   0.60,  -1.80,  -1.56,  99.90,  -0.36,
07/10 08Z,   0.60,  -2.77,  -2.49,  99.90,  -0.32,
07/10 09Z,   0.60,  -3.30,  -3.04,  99.90,  -0.34,
07/10 10Z,   0.60,  -3.31,  -3.09,  99.90,  -0.38,  (min)
07/10 11Z,   0.60,  -2.86,  -2.62,  99.90,  -0.36,
07/10 12Z,   0.50,  -2.09,  -1.83,  99.90,  -0.24,
07/10 13Z,   0.50,  -1.19,  -0.96,  99.90,  -0.27,
07/10 14Z,   0.50,  -0.39,  -0.12,  99.90,  -0.23,
07/10 15Z,   0.50,   0.16,   0.45,  99.90,  -0.21,
07/10 16Z,   0.50,   0.38,   0.65,  99.90,  -0.23,  (max)
07/10 17Z,   0.50,   0.28,   0.59,  99.90,  -0.19,
07/10 18Z,   0.40,  -0.02,   0.34,  99.90,  -0.04,
07/10 19Z,   0.40,  -0.34,   0.02,  99.90,  -0.04,
07/10 20Z,   0.40,  -0.51,  -0.20,  99.90,  -0.09,  (min)
07/10 21Z,   0.40,  -0.40,  -0.10,  99.90,  -0.10,
07/10 22Z,   0.30,   0.07,   0.33,  99.90,  -0.04,
07/10 23Z,   0.30,   0.85,   1.08,  99.90,  -0.07,
07/11 00Z,   0.40,   1.79,   1.96,  99.90,  -0.23,
07/11 01Z,   0.40,   2.67,   2.78,  99.90,  -0.29,
07/11 02Z,   0.40,   3.29,   3.45,  99.90,  -0.24,
07/11 03Z,   0.40,   3.44,   3.54,  99.90,  -0.30,  (max)
07/11 04Z,   0.40,   3.02,   3.17,  99.90,  -0.25,
07/11 05Z,   0.50,   2.06,   2.19,  99.90,  -0.37,
07/11 06Z,   0.50,   0.69,   0.85,  99.90,  -0.34,
07/11 07Z,   0.50,  -0.86,  -0.65,  99.90,  -0.29,
07/11 08Z,   0.50,  -2.31,  -2.09,  99.90,  -0.28,
07/11 09Z,   0.50,  -3.42,  -3.22,  99.90,  -0.30,
07/11 10Z,   0.50,  -3.99,  -3.65,  99.90,  -0.16,  (min)
07/11 11Z,   0.50,  -3.96,  -3.62,  99.90,  -0.16,
07/11 12Z,   0.40,  -3.39,  -3.12,  99.90,  -0.13,
07/11 13Z,   0.40,  -2.44,  -2.09,  99.90,  -0.05,
07/11 14Z,   0.40,  -1.34,  -1.02,  99.90,  -0.08,
07/11 15Z,   0.40,  -0.35,  -0.02,  99.90,  -0.07,
07/11 16Z,   0.40,   0.34,   0.65,  99.90,  -0.09,
07/11 17Z,   0.40,   0.65,   0.98,  99.90,  -0.07,  (max)
07/11 18Z,   0.40,   0.58,   0.94,  99.90,  -0.04,
07/11 19Z,   0.40,   0.27,   0.67,  99.90,   0.00,
07/11 20Z,   0.40,  -0.10,   0.33,  99.90,   0.03,
07/11 21Z,   0.40,  -0.32,   0.12,  99.90,   0.04,  (min)
07/11 22Z,   0.40,  -0.22,   0.16,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/11 23Z,   0.40,   0.26,  99.90,   0.63,  -0.03,
07/12 00Z,   0.40,   1.08,  99.90,   1.44,  -0.04,
07/12 01Z,   0.40,   2.08,  99.90,   2.43,  -0.05,
07/12 02Z,   0.40,   3.02,  99.90,   3.36,  -0.06,
07/12 03Z,   0.40,   3.64,  99.90,   3.97,  -0.07,
07/12 04Z,   0.40,   3.75,  99.90,   4.06,  -0.08,  (max)
07/12 05Z,   0.40,   3.22,  99.90,   3.53,  -0.09,
07/12 06Z,   0.40,   2.10,  99.90,   2.39,  -0.11,
07/12 07Z,   0.40,   0.53,  99.90,   0.82,  -0.12,
07/12 08Z,   0.50,  -1.20,  99.90,  -0.83,  -0.13,
07/12 09Z,   0.50,  -2.81,  99.90,  -2.45,  -0.14,
07/12 10Z,   0.40,  -3.99,  99.90,  -3.74,  -0.15,
07/12 11Z,   0.40,  -4.55,  99.90,  -4.30,  -0.15,  (min)
07/12 12Z,   0.50,  -4.43,  99.90,  -4.08,  -0.15,
07/12 13Z,   0.50,  -3.70,  99.90,  -3.34,  -0.15,
07/12 14Z,   0.40,  -2.55,  99.90,  -2.30,  -0.15,
07/12 15Z,   0.40,  -1.28,  99.90,  -1.03,  -0.15,
07/12 16Z,   0.50,  -0.14,  99.90,   0.21,  -0.15,
07/12 17Z,   0.50,   0.63,  99.90,   0.98,  -0.15,
07/12 18Z,   0.50,   0.95,  99.90,   1.30,  -0.15,  (max)
07/12 19Z,   0.40,   0.83,  99.90,   1.08,  -0.15,
07/12 20Z,   0.40,   0.43,  99.90,   0.68,  -0.15,
07/12 21Z,   0.40,  -0.02,  99.90,   0.23,  -0.15,
07/12 22Z,   0.40,  -0.30,  99.90,  -0.05,  -0.15,  (min)
07/12 23Z,   0.50,  -0.21,  99.90,   0.14,  -0.15,
07/13 00Z,   0.40,   0.31,  99.90,   0.56,  -0.15,
07/13 01Z,   0.40,   1.20,  99.90,   1.45,  -0.15,
07/13 02Z,   0.50,   2.27,  99.90,   2.62,  -0.15,
07/13 03Z,   0.50,   3.27,  99.90,   3.62,  -0.15,
07/13 04Z,   0.50,   3.91,  99.90,   4.26,  -0.15,
07/13 05Z,   0.50,   3.96,  99.90,   4.31,  -0.15,  (max)
07/13 06Z,   0.40,   3.33,  99.90,   3.58,  -0.15,
07/13 07Z,   0.50,   2.05,  99.90,   2.40,  -0.15,
07/13 08Z,   0.50,   0.32,  99.90,   0.67,  -0.15,
07/13 09Z,   0.50,  -1.56,  99.90,  -1.21,  -0.15,
07/13 10Z,   0.50,  -3.25,  99.90,  -2.90,  -0.15,
07/13 11Z,   0.50,  -4.43,  99.90,  -4.08,  -0.15,
07/13 12Z,   0.50,  -4.92,  99.90,  -4.57,  -0.15,  (min)
07/13 13Z,   0.50,  -4.65,  99.90,  -4.30,  -0.15,
07/13 14Z,   0.50,  -3.74,  99.90,  -3.39,  -0.15,
07/13 15Z,   0.50,  -2.42,  99.90,  -2.07,  -0.15,
07/13 16Z,   0.50,  -1.01,  99.90,  -0.66,  -0.15,
07/13 17Z,   0.50,   0.20,  99.90,   0.55,  -0.15,
07/13 18Z,   0.50,   0.97,  99.90,   1.32,  -0.15,
07/13 19Z,   0.40,   1.22,  99.90,   1.47,  -0.15,  (max)
07/13 20Z,   0.40,   0.99,  99.90,   1.24,  -0.15,
07/13 21Z,   0.40,   0.47,  99.90,   0.73,  -0.15,
07/13 22Z,   0.40,  -0.08,  99.90,   0.17,  -0.15,
07/13 23Z,   0.40,  -0.40,  99.90,  -0.15,  -0.15,  (min)
07/14 00Z,   0.40,  -0.31,  99.90,  -0.06,  -0.15,
07/14 01Z,   0.40,   0.26,  99.90,   0.51,  -0.15,
07/14 02Z,   0.40,   1.23,  99.90,   1.48,  -0.15,
07/14 03Z,   0.40,   2.38,  99.90,   2.63,  -0.15,
07/14 04Z,   0.40,   3.41,  99.90,   3.67,  -0.15,
07/14 05Z,   0.40,   4.04,  99.90,   4.29,  -0.15,  (max)
07/14 06Z,   0.40,   4.03,  99.90,   4.28,  -0.15,
07/14 07Z,   0.40,   3.28,  99.90,   3.53,  -0.15,
07/14 08Z,   0.40,   1.87,  99.90,   2.12,  -0.15,
07/14 09Z,   0.40,   0.03,  99.90,   0.28,  -0.15,
07/14 10Z,   0.50,  -1.91,  99.90,  -1.56,  -0.15,
07/14 11Z,   0.40,  -3.59,  99.90,  -3.34,  -0.15,
07/14 12Z,   0.50,  -4.70,  99.90,  -4.35,  -0.15,
07/14 13Z,   0.50,  -5.04,  99.90,  -4.69,  -0.15,  (min)
07/14 14Z,   0.50,  -4.60,  99.90,  -4.24,  -0.15,
07/14 15Z,   0.50,  -3.51,  99.90,  -3.16,  -0.15,
07/14 16Z,   0.40,  -2.05,  99.90,  -1.80,  -0.15,
07/14 17Z,   0.40,  -0.57,  99.90,  -0.32,  -0.15,
07/14 18Z,   0.40,   0.63,  99.90,   0.88,  -0.15,
07/14 19Z,   0.40,   1.32,  99.90,   1.57,  -0.15,
07/14 20Z,   0.40,   1.44,  99.90,   1.69,  -0.15,  (max)
07/14 21Z,   0.40,   1.06,  99.90,   1.31,  -0.15,
07/14 22Z,   0.40,   0.42,  99.90,   0.67,  -0.15,
07/14 23Z,   0.40,  -0.22,  99.90,   0.03,  -0.15,
07/15 00Z,   0.40,  -0.58,  99.90,  -0.33,  -0.15,  (min)
07/15 01Z,   0.40,  -0.46,  99.90,  -0.21,  -0.15,
07/15 02Z,   0.40,   0.16,  99.90,   0.41,  -0.15,
07/15 03Z,   0.40,   1.19,  99.90,   1.44,  -0.15,
07/15 04Z,   0.40,   2.37,  99.90,   2.63,  -0.15,
07/15 05Z,   0.40,   3.41,  99.90,   3.66,  -0.15,
07/15 06Z,   0.40,   3.98,  99.90,   4.23,  -0.15,  (max)
07/15 07Z,   0.40,   3.88,  99.90,   4.13,  -0.15,
07/15 08Z,   0.40,   3.04,  99.90,   3.29,  -0.15,
07/15 09Z,   0.50,   1.55,  99.90,   1.90,  -0.15,
07/15 10Z,   0.50,  -0.32,  99.90,   0.03,  -0.15,
07/15 11Z,   0.40,  -2.23,  99.90,  -1.98,  -0.15,
07/15 12Z,   0.40,  -3.80,  99.90,  -3.55,  -0.15,
07/15 13Z,  99.90,  -4.74,  99.90,  99.90,  -0.15,
07/15 14Z,  99.90,  -4.89,  99.90,  99.90,  -0.15,
07/15 15Z,  99.90,  -4.25,  99.90,  99.90,  -0.15,
07/15 16Z,  99.90,  -3.02,  99.90,  99.90,  -0.15,
07/15 17Z,  99.90,  -1.50,  99.90,  99.90,  -0.15,
07/15 18Z,  99.90,  -0.02,  99.90,  99.90,  -0.15,