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
#Seattle, WA : 10/16/2026 13:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 18Z,   0.80,   9.61,   9.79,  99.90,  -0.62,
10/14 19Z,   0.80,   8.49,   8.56,  99.90,  -0.73,
10/14 20Z,   0.80,   7.53,   7.46,  99.90,  -0.87,
10/14 21Z,   0.80,   7.09,   6.94,  99.90,  -0.95,  (min)
10/14 22Z,   0.80,   7.27,   7.12,  99.90,  -0.95,
10/14 23Z,   0.80,   7.91,   7.80,  99.90,  -0.91,
10/15 00Z,   0.70,   8.73,   8.69,  99.90,  -0.74,
10/15 01Z,   0.70,   9.45,   9.52,  99.90,  -0.63,
10/15 02Z,   0.70,   9.75,   9.97,  99.90,  -0.48,  (max)
10/15 03Z,   0.70,   9.33,   9.61,  99.90,  -0.42,
10/15 04Z,   0.70,   8.10,   8.45,  99.90,  -0.35,
10/15 05Z,   0.70,   6.20,   6.58,  99.90,  -0.32,
10/15 06Z,   0.70,   3.93,   4.21,  99.90,  -0.42,
10/15 07Z,   0.60,   1.68,   1.80,  99.90,  -0.48,
10/15 08Z,   0.60,  -0.05,   0.10,  99.90,  -0.45,
10/15 09Z,   0.60,  -0.75,  -0.43,  99.90,  -0.28,  (min)
10/15 10Z,   0.60,  -0.17,   0.18,  99.90,  -0.25,
10/15 11Z,   0.60,   1.51,   1.74,  99.90,  -0.37,
10/15 12Z,   0.60,   3.82,   3.95,  99.90,  -0.47,
10/15 13Z,   0.60,   6.29,   6.43,  99.90,  -0.46,
10/15 14Z,   0.60,   8.48,   8.60,  99.90,  -0.48,
10/15 15Z,   0.60,  10.03,  10.04,  99.90,  -0.59,
10/15 16Z,   0.60,  10.78,  10.75,  99.90,  -0.63,  (max)
10/15 17Z,   0.60,  10.80,  10.74,  99.90,  -0.66,
10/15 18Z,   0.60,  10.32,  10.33,  99.90,  -0.59,
10/15 19Z,   0.60,   9.52,   9.56,  99.90,  -0.56,
10/15 20Z,   0.60,   8.60,   8.53,  99.90,  -0.67,
10/15 21Z,   0.50,   7.86,   7.72,  99.90,  -0.64,
10/15 22Z,   0.50,   7.56,   7.41,  99.90,  -0.65,  (min)
10/15 23Z,   0.50,   7.72,   7.62,  99.90,  -0.60,
10/16 00Z,   0.60,   8.16,   8.22,  99.90,  -0.54,
10/16 01Z,   0.60,   8.68,   8.85,  99.90,  -0.43,
10/16 02Z,   0.60,   9.08,   9.34,  99.90,  -0.34,
10/16 03Z,   0.60,   9.08,   9.41,  99.90,  -0.27,  (max)
10/16 04Z,   0.60,   8.46,   8.82,  99.90,  -0.24,
10/16 05Z,   0.60,   7.15,   7.52,  99.90,  -0.23,
10/16 06Z,   0.60,   5.33,   5.70,  99.90,  -0.23,
10/16 07Z,   0.60,   3.29,   3.54,  99.90,  -0.35,
10/16 08Z,   0.60,   1.38,   1.61,  99.90,  -0.37,
10/16 09Z,   0.60,   0.06,   0.45,  99.90,  -0.21,
10/16 10Z,   0.60,  -0.23,   0.30,  99.90,  -0.07,  (min)
10/16 11Z,   0.70,   0.62,   1.18,  99.90,  -0.14,
10/16 12Z,   0.70,   2.35,   2.73,  99.90,  -0.32,
10/16 13Z,   0.70,   4.53,   4.95,  99.90,  -0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 14Z,   0.70,   6.76,  99.90,   7.16,  -0.30,
10/16 15Z,   0.70,   8.66,  99.90,   9.05,  -0.31,
10/16 16Z,   0.70,   9.96,  99.90,  10.33,  -0.33,
10/16 17Z,   0.70,  10.55,  99.90,  10.90,  -0.34,  (max)
10/16 18Z,   0.70,  10.54,  99.90,  10.88,  -0.36,
10/16 19Z,   0.70,  10.13,  99.90,  10.46,  -0.37,
10/16 20Z,   0.70,   9.46,  99.90,   9.77,  -0.39,
10/16 21Z,   0.80,   8.70,  99.90,   9.10,  -0.40,
10/16 22Z,   0.80,   8.09,  99.90,   8.47,  -0.42,
10/16 23Z,   0.80,   7.81,  99.90,   8.18,  -0.43,  (min)
10/17 00Z,   0.80,   7.85,  99.90,   8.21,  -0.45,
10/17 01Z,   0.80,   8.07,  99.90,   8.41,  -0.46,
10/17 02Z,   0.80,   8.33,  99.90,   8.67,  -0.46,
10/17 03Z,   0.80,   8.51,  99.90,   8.85,  -0.46,  (max)
10/17 04Z,   0.90,   8.38,  99.90,   8.82,  -0.46,
10/17 05Z,   0.90,   7.72,  99.90,   8.16,  -0.46,
10/17 06Z,   0.90,   6.50,  99.90,   6.94,  -0.46,
10/17 07Z,   0.90,   4.87,  99.90,   5.31,  -0.46,
10/17 08Z,   0.90,   3.10,  99.90,   3.54,  -0.46,
10/17 09Z,   0.90,   1.50,  99.90,   1.94,  -0.46,
10/17 10Z,   0.90,   0.50,  99.90,   0.94,  -0.46,  (min)
10/17 11Z,   1.00,   0.44,  99.90,   0.98,  -0.46,
10/17 12Z,   1.00,   1.37,  99.90,   1.91,  -0.46,
10/17 13Z,   1.00,   3.00,  99.90,   3.54,  -0.46,
10/17 14Z,   1.00,   4.96,  99.90,   5.50,  -0.46,
10/17 15Z,   1.00,   6.94,  99.90,   7.48,  -0.46,
10/17 16Z,   1.00,   8.63,  99.90,   9.17,  -0.46,
10/17 17Z,   1.00,   9.77,  99.90,  10.31,  -0.46,
10/17 18Z,   1.00,  10.31,  99.90,  10.84,  -0.46,
10/17 19Z,   1.00,  10.34,  99.90,  10.88,  -0.46,  (max)
10/17 20Z,   1.00,  10.02,  99.90,  10.56,  -0.46,
10/17 21Z,   0.90,   9.44,  99.90,   9.88,  -0.46,
10/17 22Z,   0.90,   8.75,  99.90,   9.19,  -0.46,
10/17 23Z,   0.90,   8.15,  99.90,   8.58,  -0.46,
10/18 00Z,   0.90,   7.79,  99.90,   8.23,  -0.46,
10/18 01Z,   0.90,   7.65,  99.90,   8.09,  -0.46,  (min)
10/18 02Z,   0.90,   7.66,  99.90,   8.10,  -0.46,
10/18 03Z,   0.90,   7.78,  99.90,   8.22,  -0.46,
10/18 04Z,   0.90,   7.89,  99.90,   8.33,  -0.46,  (max)
10/18 05Z,   0.90,   7.78,  99.90,   8.22,  -0.46,
10/18 06Z,   0.90,   7.23,  99.90,   7.67,  -0.46,
10/18 07Z,   0.90,   6.18,  99.90,   6.62,  -0.46,
10/18 08Z,   0.80,   4.79,  99.90,   5.13,  -0.46,
10/18 09Z,   0.80,   3.27,  99.90,   3.61,  -0.46,
10/18 10Z,   0.80,   1.90,  99.90,   2.24,  -0.46,
10/18 11Z,   0.80,   1.07,  99.90,   1.41,  -0.46,
10/18 12Z,   0.70,   1.08,  99.90,   1.32,  -0.46,  (min)
10/18 13Z,   0.70,   1.94,  99.90,   2.18,  -0.46,
10/18 14Z,   0.70,   3.39,  99.90,   3.63,  -0.46,
10/18 15Z,   0.70,   5.15,  99.90,   5.39,  -0.46,
10/18 16Z,   0.70,   6.96,  99.90,   7.20,  -0.46,
10/18 17Z,   0.70,   8.54,  99.90,   8.78,  -0.46,
10/18 18Z,   0.70,   9.64,  99.90,   9.88,  -0.46,
10/18 19Z,   0.70,  10.19,  99.90,  10.43,  -0.46,
10/18 20Z,   0.70,  10.27,  99.90,  10.51,  -0.46,  (max)
10/18 21Z,   0.70,   9.99,  99.90,  10.23,  -0.46,
10/18 22Z,   0.70,   9.41,  99.90,   9.65,  -0.46,
10/18 23Z,   0.70,   8.65,  99.90,   8.89,  -0.46,
10/19 00Z,   0.70,   7.94,  99.90,   8.18,  -0.46,
10/19 01Z,   0.80,   7.42,  99.90,   7.76,  -0.46,
10/19 02Z,   0.80,   7.13,  99.90,   7.47,  -0.46,
10/19 03Z,   0.80,   7.04,  99.90,   7.38,  -0.46,  (min)
10/19 04Z,   0.80,   7.15,  99.90,   7.49,  -0.46,
10/19 05Z,   0.80,   7.36,  99.90,   7.70,  -0.46,
10/19 06Z,   0.90,   7.40,  99.90,   7.84,  -0.46,  (max)
10/19 07Z,   0.90,   7.03,  99.90,   7.47,  -0.46,
10/19 08Z,   0.90,   6.20,  99.90,   6.64,  -0.46,
10/19 09Z,   0.90,   5.02,  99.90,   5.46,  -0.46,
10/19 10Z,   0.90,   3.66,  99.90,   4.10,  -0.46,
10/19 11Z,   0.90,   2.40,  99.90,   2.84,  -0.46,
10/19 12Z,   0.90,   1.61,  99.90,   2.05,  -0.46,
10/19 13Z,   0.90,   1.57,  99.90,   2.01,  -0.46,  (min)
10/19 14Z,   1.00,   2.31,  99.90,   2.85,  -0.46,
10/19 15Z,   1.00,   3.62,  99.90,   4.16,  -0.46,
10/19 16Z,   1.00,   5.27,  99.90,   5.81,  -0.46,
10/19 17Z,   1.00,   7.03,  99.90,   7.57,  -0.46,
10/19 18Z,   1.00,   8.60,  99.90,   9.14,  -0.46,
10/19 19Z,   1.00,   9.71,  99.90,  10.25,  -0.46,
10/19 20Z,   1.00,  10.27,  99.90,  10.81,  -0.46,
10/19 21Z,   1.00,  10.33,  99.90,  10.87,  -0.46,  (max)
10/19 22Z,   1.00,   9.96,  99.90,  10.50,  -0.46,
10/19 23Z,   1.00,   9.22,  99.90,   9.76,  -0.46,
10/20 00Z,   1.00,   8.26,  99.90,   8.80,  -0.46,
10/20 01Z,   1.00,   7.36,  99.90,   7.90,  -0.46,
10/20 02Z,   1.00,   6.70,  99.90,   7.24,  -0.46,
10/20 03Z,   1.00,   6.34,  99.90,   6.88,  -0.46,
10/20 04Z,   1.00,   6.31,  99.90,   6.85,  -0.46,  (min)
10/20 05Z,   1.00,   6.60,  99.90,   7.14,  -0.46,
10/20 06Z,   1.00,   7.04,  99.90,   7.58,  -0.46,