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 : 02/17/2026 05:22:29 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/15 12Z,   0.70,   3.35,   3.97,  99.90,  -0.08,  (min)
02/15 13Z,   0.80,   3.86,   4.50,  99.90,  -0.16,
02/15 14Z,   0.80,   4.63,   5.27,  99.90,  -0.16,
02/15 15Z,   0.80,   5.45,   6.09,  99.90,  -0.16,
02/15 16Z,   0.80,   6.10,   6.78,  99.90,  -0.12,
02/15 17Z,   0.90,   6.36,   6.91,  99.90,  -0.35,  (max)
02/15 18Z,   0.80,   6.09,   6.64,  99.90,  -0.25,
02/15 19Z,   0.80,   5.29,   5.89,  99.90,  -0.20,
02/15 20Z,   0.90,   4.06,   4.71,  99.90,  -0.25,
02/15 21Z,   0.90,   2.63,   3.32,  99.90,  -0.21,
02/15 22Z,   0.90,   1.28,   1.91,  99.90,  -0.27,
02/15 23Z,   0.90,   0.26,   1.04,  99.90,  -0.12,
02/16 00Z,   1.10,  -0.21,   0.56,  99.90,  -0.33,  (min)
02/16 01Z,   1.20,  -0.06,   0.71,  99.90,  -0.43,
02/16 02Z,   1.20,   0.64,   1.33,  99.90,  -0.51,
02/16 03Z,   1.20,   1.72,   2.50,  99.90,  -0.42,
02/16 04Z,   1.20,   2.92,   3.56,  99.90,  -0.56,
02/16 05Z,   1.20,   3.97,   4.60,  99.90,  -0.57,
02/16 06Z,   1.20,   4.65,   5.32,  99.90,  -0.53,
02/16 07Z,   1.20,   4.86,   5.51,  99.90,  -0.55,  (max)
02/16 08Z,   1.20,   4.63,   5.33,  99.90,  -0.50,
02/16 09Z,   1.20,   4.10,   4.88,  99.90,  -0.42,
02/16 10Z,   1.20,   3.48,   4.33,  99.90,  -0.35,
02/16 11Z,   1.20,   3.01,   3.82,  99.90,  -0.39,
02/16 12Z,   1.10,   2.89,   3.79,  99.90,  -0.20,  (min)
02/16 13Z,   1.10,   3.20,   4.06,  99.90,  -0.24,
02/16 14Z,   1.10,   3.89,   4.86,  99.90,  -0.13,
02/16 15Z,   1.10,   4.80,   5.73,  99.90,  -0.17,
02/16 16Z,   1.10,   5.69,   6.58,  99.90,  -0.21,
02/16 17Z,   1.10,   6.29,   7.34,  99.90,  -0.05,
02/16 18Z,   1.10,   6.40,   7.34,  99.90,  -0.16,  (max)
02/16 19Z,   1.10,   5.93,   7.02,  99.90,  -0.01,
02/16 20Z,   1.10,   4.91,   5.86,  99.90,  -0.15,
02/16 21Z,   1.10,   3.52,   4.45,  99.90,  -0.17,
02/16 22Z,   1.10,   2.03,   2.92,  99.90,  -0.21,
02/16 23Z,   1.10,   0.75,   1.63,  99.90,  -0.22,
02/17 00Z,   1.30,  -0.06,   0.78,  99.90,  -0.46,
02/17 01Z,   1.30,  -0.23,   0.51,  99.90,  -0.56,  (min)
02/17 02Z,   1.20,   0.23,   0.95,  99.90,  -0.48,
02/17 03Z,   1.20,   1.21,   1.83,  99.90,  -0.58,
02/17 04Z,   1.10,   2.46,   3.04,  99.90,  -0.52,
02/17 05Z,   1.10,   3.69,   4.28,  99.90,  -0.51,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 06Z,   1.00,   4.62,  99.90,   5.13,  -0.49,
02/17 07Z,   1.00,   5.07,  99.90,   5.60,  -0.47,  (max)
02/17 08Z,   1.00,   5.00,  99.90,   5.54,  -0.46,
02/17 09Z,   1.00,   4.49,  99.90,   5.05,  -0.44,
02/17 10Z,   1.00,   3.74,  99.90,   4.32,  -0.42,
02/17 11Z,   1.10,   3.03,  99.90,   3.72,  -0.41,
02/17 12Z,   1.10,   2.59,  99.90,   3.30,  -0.39,  (min)
02/17 13Z,   1.20,   2.60,  99.90,   3.43,  -0.37,
02/17 14Z,   1.10,   3.08,  99.90,   3.82,  -0.36,
02/17 15Z,   1.20,   3.93,  99.90,   4.79,  -0.34,
02/17 16Z,   1.10,   4.94,  99.90,   5.72,  -0.32,
02/17 17Z,   1.10,   5.82,  99.90,   6.62,  -0.31,
02/17 18Z,   1.10,   6.32,  99.90,   7.11,  -0.31,  (max)
02/17 19Z,   1.10,   6.25,  99.90,   7.04,  -0.31,
02/17 20Z,   1.10,   5.57,  99.90,   6.36,  -0.31,
02/17 21Z,   1.10,   4.38,  99.90,   5.17,  -0.31,
02/17 22Z,   1.00,   2.92,  99.90,   3.61,  -0.31,
02/17 23Z,   1.10,   1.49,  99.90,   2.28,  -0.31,
02/18 00Z,   1.10,   0.41,  99.90,   1.20,  -0.31,
02/18 01Z,   1.10,  -0.11,  99.90,   0.69,  -0.31,  (min)
02/18 02Z,   1.00,   0.05,  99.90,   0.75,  -0.31,
02/18 03Z,   1.10,   0.83,  99.90,   1.62,  -0.31,
02/18 04Z,   1.00,   2.02,  99.90,   2.71,  -0.31,
02/18 05Z,   1.00,   3.34,  99.90,   4.03,  -0.31,
02/18 06Z,   1.00,   4.48,  99.90,   5.18,  -0.31,
02/18 07Z,   0.90,   5.20,  99.90,   5.79,  -0.31,
02/18 08Z,   0.90,   5.35,  99.90,   5.94,  -0.31,  (max)
02/18 09Z,   0.90,   4.96,  99.90,   5.55,  -0.31,
02/18 10Z,   0.90,   4.19,  99.90,   4.78,  -0.31,
02/18 11Z,   0.90,   3.28,  99.90,   3.87,  -0.31,
02/18 12Z,   0.80,   2.53,  99.90,   3.03,  -0.31,
02/18 13Z,   0.80,   2.17,  99.90,   2.66,  -0.31,  (min)
02/18 14Z,   0.90,   2.32,  99.90,   2.91,  -0.31,
02/18 15Z,   0.80,   2.96,  99.90,   3.46,  -0.31,
02/18 16Z,   0.70,   3.93,  99.90,   4.33,  -0.31,
02/18 17Z,   0.70,   4.97,  99.90,   5.37,  -0.31,
02/18 18Z,   0.70,   5.79,  99.90,   6.19,  -0.31,
02/18 19Z,   0.70,   6.15,  99.90,   6.54,  -0.31,  (max)
02/18 20Z,   0.60,   5.90,  99.90,   6.19,  -0.31,
02/18 21Z,   0.70,   5.07,  99.90,   5.46,  -0.31,
02/18 22Z,   0.70,   3.80,  99.90,   4.20,  -0.31,
02/18 23Z,   0.70,   2.39,  99.90,   2.78,  -0.31,
02/19 00Z,   0.70,   1.14,  99.90,   1.53,  -0.31,
02/19 01Z,   0.70,   0.34,  99.90,   0.73,  -0.31,
02/19 02Z,   0.80,   0.17,  99.90,   0.66,  -0.31,  (min)
02/19 03Z,   0.80,   0.66,  99.90,   1.15,  -0.31,
02/19 04Z,   0.80,   1.68,  99.90,   2.17,  -0.31,
02/19 05Z,   0.80,   2.98,  99.90,   3.47,  -0.31,
02/19 06Z,   0.80,   4.26,  99.90,   4.75,  -0.31,
02/19 07Z,   0.90,   5.21,  99.90,   5.80,  -0.31,
02/19 08Z,   0.90,   5.63,  99.90,   6.22,  -0.31,  (max)
02/19 09Z,   0.80,   5.45,  99.90,   5.94,  -0.31,
02/19 10Z,   0.90,   4.76,  99.90,   5.35,  -0.31,
02/19 11Z,   0.90,   3.77,  99.90,   4.36,  -0.31,
02/19 12Z,   0.80,   2.77,  99.90,   3.26,  -0.31,
02/19 13Z,   0.90,   2.04,  99.90,   2.63,  -0.31,
02/19 14Z,   0.90,   1.77,  99.90,   2.36,  -0.31,  (min)
02/19 15Z,   0.80,   2.06,  99.90,   2.55,  -0.31,
02/19 16Z,   0.90,   2.81,  99.90,   3.40,  -0.31,
02/19 17Z,   0.90,   3.83,  99.90,   4.42,  -0.31,
02/19 18Z,   0.80,   4.84,  99.90,   5.34,  -0.31,
02/19 19Z,   0.80,   5.56,  99.90,   6.06,  -0.31,
02/19 20Z,   0.90,   5.78,  99.90,   6.37,  -0.31,  (max)
02/19 21Z,   0.90,   5.41,  99.90,   6.00,  -0.31,
02/19 22Z,   0.80,   4.51,  99.90,   5.00,  -0.31,
02/19 23Z,   0.90,   3.29,  99.90,   3.89,  -0.31,
02/20 00Z,   0.90,   2.05,  99.90,   2.64,  -0.31,
02/20 01Z,   0.80,   1.07,  99.90,   1.56,  -0.31,
02/20 02Z,   0.80,   0.60,  99.90,   1.09,  -0.31,  (min)
02/20 03Z,   0.80,   0.75,  99.90,   1.25,  -0.31,
02/20 04Z,   0.80,   1.50,  99.90,   1.99,  -0.31,
02/20 05Z,   0.70,   2.66,  99.90,   3.05,  -0.31,
02/20 06Z,   0.70,   3.96,  99.90,   4.35,  -0.31,
02/20 07Z,   0.70,   5.08,  99.90,   5.47,  -0.31,
02/20 08Z,   0.70,   5.77,  99.90,   6.16,  -0.31,
02/20 09Z,   0.60,   5.87,  99.90,   6.16,  -0.31,  (max)
02/20 10Z,   0.70,   5.39,  99.90,   5.78,  -0.31,
02/20 11Z,   0.70,   4.45,  99.90,   4.84,  -0.31,
02/20 12Z,   0.70,   3.32,  99.90,   3.71,  -0.31,
02/20 13Z,   0.70,   2.27,  99.90,   2.67,  -0.31,
02/20 14Z,   0.70,   1.58,  99.90,   1.98,  -0.31,
02/20 15Z,   0.60,   1.41,  99.90,   1.70,  -0.31,  (min)
02/20 16Z,   0.60,   1.78,  99.90,   2.07,  -0.31,
02/20 17Z,   0.60,   2.59,  99.90,   2.88,  -0.31,
02/20 18Z,   0.70,   3.59,  99.90,   3.99,  -0.31,
02/20 19Z,   0.60,   4.53,  99.90,   4.83,  -0.31,
02/20 20Z,   0.60,   5.15,  99.90,   5.44,  -0.31,
02/20 21Z,   0.60,   5.27,  99.90,   5.56,  -0.31,  (max)
02/20 22Z,   0.60,   4.85,  99.90,   5.14,  -0.31,
02/20 23Z,   0.60,   4.01,  99.90,   4.30,  -0.31,
02/21 00Z,   0.70,   2.95,  99.90,   3.34,  -0.31,