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
#Port Townsend, WA : 08/17/2026 19:21:09 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/16 00Z,   0.40,   1.18,   1.51,  99.90,  -0.07,
08/16 01Z,   0.50,   2.65,   3.02,  99.90,  -0.13,
08/16 02Z,   0.50,   3.50,   3.85,  99.90,  -0.15,  (max)
08/16 03Z,   0.40,   3.49,   3.79,  99.90,  -0.10,
08/16 04Z,   0.40,   2.60,   3.07,  99.90,   0.07,
08/16 05Z,   0.50,   1.09,   1.53,  99.90,  -0.06,
08/16 06Z,   0.50,  -0.60,  -0.30,  99.90,  -0.20,
08/16 07Z,   0.40,  -1.90,  -1.67,  99.90,  -0.17,
08/16 08Z,   0.40,  -2.45,  -2.17,  99.90,  -0.12,  (min)
08/16 09Z,   0.40,  -2.29,  -2.03,  99.90,  -0.14,
08/16 10Z,   0.50,  -1.68,  -1.44,  99.90,  -0.26,
08/16 11Z,   0.40,  -0.83,  -0.68,  99.90,  -0.25,
08/16 12Z,   0.30,   0.15,   0.28,  99.90,  -0.17,
08/16 13Z,   0.30,   1.05,   1.21,  99.90,  -0.14,
08/16 14Z,   0.30,   1.59,   1.78,  99.90,  -0.11,
08/16 15Z,   0.30,   1.51,   1.79,  99.90,  -0.02,  (max)
08/16 16Z,   0.30,   0.80,   1.12,  99.90,   0.02,
08/16 17Z,   0.30,  -0.38,   0.02,  99.90,   0.10,
08/16 18Z,   0.30,  -1.72,  -1.39,  99.90,   0.03,
08/16 19Z,   0.20,  -2.77,  -2.59,  99.90,  -0.02,
08/16 20Z,   0.20,  -3.14,  -2.93,  99.90,   0.01,  (min)
08/16 21Z,   0.20,  -2.77,  -2.51,  99.90,   0.06,
08/16 22Z,   0.20,  -1.85,  -1.59,  99.90,   0.06,
08/16 23Z,   0.20,  -0.63,  -0.43,  99.90,   0.00,
08/17 00Z,   0.30,   0.76,   1.03,  99.90,  -0.03,
08/17 01Z,   0.40,   2.14,   2.35,  99.90,  -0.19,
08/17 02Z,   0.40,   3.16,   3.35,  99.90,  -0.21,
08/17 03Z,   0.30,   3.49,   3.80,  99.90,   0.01,  (max)
08/17 04Z,   0.30,   2.98,   3.35,  99.90,   0.07,
08/17 05Z,   0.40,   1.73,   2.15,  99.90,   0.02,
08/17 06Z,   0.40,   0.03,   0.39,  99.90,  -0.04,
08/17 07Z,   0.40,  -1.64,  -1.39,  99.90,  -0.15,
08/17 08Z,   0.30,  -2.82,  -2.48,  99.90,   0.04,
08/17 09Z,   0.40,  -3.22,  -2.86,  99.90,  -0.04,  (min)
08/17 10Z,   0.40,  -2.96,  -2.63,  99.90,  -0.07,
08/17 11Z,   0.40,  -2.29,  -1.98,  99.90,  -0.09,
08/17 12Z,   0.30,  -1.38,  -1.17,  99.90,  -0.09,
08/17 13Z,   0.30,  -0.35,  -0.25,  99.90,  -0.20,
08/17 14Z,   0.30,   0.60,   0.79,  99.90,  -0.11,
08/17 15Z,   0.30,   1.18,   1.37,  99.90,  -0.11,
08/17 16Z,   0.30,   1.23,   1.49,  99.90,  -0.04,  (max)
08/17 17Z,   0.30,   0.78,   1.12,  99.90,   0.04,
08/17 18Z,   0.30,  -0.03,   0.46,  99.90,   0.19,
08/17 19Z,   0.30,  -0.93,  -0.58,  99.90,   0.05,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/17 20Z,   0.30,  -1.58,  99.90,  -1.24,   0.04,
08/17 21Z,   0.30,  -1.68,  99.90,  -1.36,   0.03,  (min)
08/17 22Z,   0.40,  -1.23,  99.90,  -0.81,   0.02,
08/17 23Z,   0.30,  -0.40,  99.90,  -0.10,   0.01,
08/18 00Z,   0.30,   0.62,  99.90,   0.91,  -0.01,
08/18 01Z,   0.40,   1.73,  99.90,   2.11,  -0.02,
08/18 02Z,   0.40,   2.72,  99.90,   3.09,  -0.03,
08/18 03Z,   0.40,   3.27,  99.90,   3.64,  -0.04,  (max)
08/18 04Z,   0.40,   3.12,  99.90,   3.47,  -0.05,
08/18 05Z,   0.40,   2.22,  99.90,   2.56,  -0.06,
08/18 06Z,   0.50,   0.76,  99.90,   1.19,  -0.07,
08/18 07Z,   0.50,  -0.96,  99.90,  -0.54,  -0.08,
08/18 08Z,   0.40,  -2.53,  99.90,  -2.21,  -0.08,
08/18 09Z,   0.40,  -3.53,  99.90,  -3.21,  -0.08,
08/18 10Z,   0.40,  -3.80,  99.90,  -3.48,  -0.08,  (min)
08/18 11Z,   0.40,  -3.45,  99.90,  -3.14,  -0.08,
08/18 12Z,   0.50,  -2.74,  99.90,  -2.32,  -0.08,
08/18 13Z,   0.50,  -1.80,  99.90,  -1.38,  -0.08,
08/18 14Z,   0.40,  -0.73,  99.90,  -0.41,  -0.08,
08/18 15Z,   0.40,   0.25,  99.90,   0.57,  -0.08,
08/18 16Z,   0.50,   0.90,  99.90,   1.32,  -0.08,
08/18 17Z,   0.50,   1.12,  99.90,   1.54,  -0.08,  (max)
08/18 18Z,   0.40,   0.97,  99.90,   1.29,  -0.08,
08/18 19Z,   0.40,   0.55,  99.90,   0.87,  -0.08,
08/18 20Z,   0.40,   0.03,  99.90,   0.35,  -0.08,
08/18 21Z,   0.40,  -0.33,  99.90,  -0.01,  -0.08,  (min)
08/18 22Z,   0.40,  -0.30,  99.90,   0.02,  -0.08,
08/18 23Z,   0.40,   0.11,  99.90,   0.43,  -0.08,
08/19 00Z,   0.40,   0.75,  99.90,   1.07,  -0.08,
08/19 01Z,   0.50,   1.51,  99.90,   1.93,  -0.08,
08/19 02Z,   0.50,   2.29,  99.90,   2.71,  -0.08,
08/19 03Z,   0.50,   2.90,  99.90,   3.32,  -0.08,
08/19 04Z,   0.50,   3.02,  99.90,   3.44,  -0.08,  (max)
08/19 05Z,   0.50,   2.50,  99.90,   2.92,  -0.08,
08/19 06Z,   0.50,   1.38,  99.90,   1.80,  -0.08,
08/19 07Z,   0.50,  -0.13,  99.90,   0.29,  -0.08,
08/19 08Z,   0.50,  -1.77,  99.90,  -1.35,  -0.08,
08/19 09Z,   0.50,  -3.17,  99.90,  -2.75,  -0.08,
08/19 10Z,   0.40,  -4.01,  99.90,  -3.69,  -0.08,
08/19 11Z,   0.40,  -4.16,  99.90,  -3.84,  -0.08,  (min)
08/19 12Z,   0.50,  -3.77,  99.90,  -3.35,  -0.08,
08/19 13Z,   0.50,  -3.04,  99.90,  -2.62,  -0.08,
08/19 14Z,   0.40,  -2.07,  99.90,  -1.75,  -0.08,
08/19 15Z,   0.40,  -0.99,  99.90,  -0.67,  -0.08,
08/19 16Z,   0.50,   0.02,  99.90,   0.44,  -0.08,
08/19 17Z,   0.50,   0.76,  99.90,   1.18,  -0.08,
08/19 18Z,   0.40,   1.19,  99.90,   1.51,  -0.08,
08/19 19Z,   0.40,   1.35,  99.90,   1.67,  -0.08,  (max)
08/19 20Z,   0.40,   1.26,  99.90,   1.58,  -0.08,
08/19 21Z,   0.40,   1.01,  99.90,   1.33,  -0.08,
08/19 22Z,   0.50,   0.80,  99.90,   1.22,  -0.08,
08/19 23Z,   0.40,   0.83,  99.90,   1.15,  -0.08,  (min)
08/20 00Z,   0.40,   1.09,  99.90,   1.41,  -0.08,
08/20 01Z,   0.40,   1.50,  99.90,   1.82,  -0.08,
08/20 02Z,   0.50,   1.99,  99.90,   2.41,  -0.08,
08/20 03Z,   0.50,   2.47,  99.90,   2.89,  -0.08,
08/20 04Z,   0.50,   2.74,  99.90,   3.16,  -0.08,  (max)
08/20 05Z,   0.50,   2.56,  99.90,   2.97,  -0.08,
08/20 06Z,   0.50,   1.82,  99.90,   2.24,  -0.08,
08/20 07Z,   0.50,   0.63,  99.90,   1.05,  -0.08,
08/20 08Z,   0.50,  -0.82,  99.90,  -0.40,  -0.08,
08/20 09Z,   0.40,  -2.32,  99.90,  -2.00,  -0.08,
08/20 10Z,   0.50,  -3.57,  99.90,  -3.15,  -0.08,
08/20 11Z,   0.50,  -4.28,  99.90,  -3.86,  -0.08,
08/20 12Z,   0.50,  -4.36,  99.90,  -3.94,  -0.08,  (min)
08/20 13Z,   0.50,  -3.96,  99.90,  -3.54,  -0.08,
08/20 14Z,   0.40,  -3.23,  99.90,  -2.91,  -0.08,
08/20 15Z,   0.50,  -2.26,  99.90,  -1.84,  -0.08,
08/20 16Z,   0.50,  -1.16,  99.90,  -0.74,  -0.08,
08/20 17Z,   0.50,  -0.11,  99.90,   0.31,  -0.08,
08/20 18Z,   0.40,   0.76,  99.90,   1.08,  -0.08,
08/20 19Z,   0.40,   1.41,  99.90,   1.73,  -0.08,
08/20 20Z,   0.40,   1.84,  99.90,   2.15,  -0.08,
08/20 21Z,   0.50,   1.97,  99.90,   2.39,  -0.08,  (max)
08/20 22Z,   0.50,   1.85,  99.90,   2.27,  -0.08,
08/20 23Z,   0.40,   1.66,  99.90,   1.98,  -0.08,
08/21 00Z,   0.40,   1.58,  99.90,   1.90,  -0.08,  (min)
08/21 01Z,   0.40,   1.67,  99.90,   1.99,  -0.08,
08/21 02Z,   0.50,   1.86,  99.90,   2.28,  -0.08,
08/21 03Z,   0.50,   2.11,  99.90,   2.53,  -0.08,
08/21 04Z,   0.50,   2.36,  99.90,   2.78,  -0.08,
08/21 05Z,   0.50,   2.41,  99.90,   2.83,  -0.08,  (max)
08/21 06Z,   0.50,   2.05,  99.90,   2.47,  -0.08,
08/21 07Z,   0.50,   1.24,  99.90,   1.66,  -0.08,
08/21 08Z,   0.40,   0.10,  99.90,   0.42,  -0.08,
08/21 09Z,   0.40,  -1.26,  99.90,  -0.94,  -0.08,
08/21 10Z,   0.50,  -2.64,  99.90,  -2.22,  -0.08,
08/21 11Z,   0.50,  -3.79,  99.90,  -3.37,  -0.08,
08/21 12Z,   0.50,  -4.43,  99.90,  -4.01,  -0.08,