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 : 10/17/2026 21:24:27 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 06Z,   0.90,  -7.24,  -6.26,  99.90,   0.08,
10/16 07Z,   0.90,  -6.56,  -5.56,  99.90,   0.10,
10/16 08Z,   0.90,  -5.76,  -4.81,  99.90,   0.05,
10/16 09Z,   0.90,  -4.99,  -4.06,  99.90,   0.03,
10/16 10Z,   0.90,  -4.40,  -3.44,  99.90,   0.06,
10/16 11Z,   0.90,  -4.05,  -3.12,  99.90,   0.03,
10/16 12Z,   0.90,  -3.95,  -3.03,  99.90,   0.02,  (max)
10/16 13Z,   1.00,  -4.06,  -3.11,  99.90,  -0.05,
10/16 14Z,   0.90,  -4.26,  -3.24,  99.90,   0.12,
10/16 15Z,   0.90,  -4.42,  -3.44,  99.90,   0.08,  (min)
10/16 16Z,   0.90,  -4.46,  -3.43,  99.90,   0.13,
10/16 17Z,   1.00,  -4.31,  -3.25,  99.90,   0.06,
10/16 18Z,   1.00,  -3.99,  -2.88,  99.90,   0.11,
10/16 19Z,   1.00,  -3.57,  -2.51,  99.90,   0.06,
10/16 20Z,   1.00,  -3.16,  -2.08,  99.90,   0.08,
10/16 21Z,   1.00,  -2.89,  -1.83,  99.90,   0.06,  (max)
10/16 22Z,   1.00,  -2.87,  -1.88,  99.90,  -0.01,
10/16 23Z,   1.00,  -3.16,  -2.17,  99.90,  -0.01,
10/17 00Z,   1.10,  -3.76,  -2.80,  99.90,  -0.14,
10/17 01Z,   1.10,  -4.59,  -3.57,  99.90,  -0.08,
10/17 02Z,   1.10,  -5.52,  -4.56,  99.90,  -0.14,
10/17 03Z,   1.00,  -6.40,  -5.42,  99.90,  -0.02,
10/17 04Z,   1.10,  -7.06,  -6.10,  99.90,  -0.14,
10/17 05Z,   1.10,  -7.41,  -6.43,  99.90,  -0.12,  (min)
10/17 06Z,   1.00,  -7.40,  -6.39,  99.90,   0.01,
10/17 07Z,   1.00,  -7.05,  -5.98,  99.90,   0.07,
10/17 08Z,   1.10,  -6.45,  -5.41,  99.90,  -0.06,
10/17 09Z,   1.10,  -5.72,  -4.69,  99.90,  -0.07,
10/17 10Z,   1.10,  -5.01,  -4.03,  99.90,  -0.12,
10/17 11Z,   1.10,  -4.44,  -3.49,  99.90,  -0.15,
10/17 12Z,   1.00,  -4.08,  -3.17,  99.90,  -0.09,
10/17 13Z,   1.00,  -3.95,  -3.02,  99.90,  -0.07,  (max)
10/17 14Z,   1.00,  -4.00,  -3.03,  99.90,  -0.03,
10/17 15Z,   0.90,  -4.15,  -3.22,  99.90,   0.03,
10/17 16Z,   1.00,  -4.29,  -3.26,  99.90,   0.03,
10/17 17Z,   1.00,  -4.35,  -3.31,  99.90,   0.04,  (min)
10/17 18Z,   0.90,  -4.25,  -3.17,  99.90,   0.18,
10/17 19Z,   0.90,  -4.02,  -2.92,  99.90,   0.20,
10/17 20Z,   1.00,  -3.69,  -2.64,  99.90,   0.05,
10/17 21Z,   1.00,  -3.36,  -2.32,  99.90,   0.04,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/17 22Z,   0.90,  -3.14,  99.90,  -2.21,   0.04,
10/17 23Z,   1.00,  -3.13,  99.90,  -2.10,   0.03,  (max)
10/18 00Z,   1.00,  -3.39,  99.90,  -2.36,   0.03,
10/18 01Z,   1.00,  -3.92,  99.90,  -2.90,   0.02,
10/18 02Z,   0.90,  -4.66,  99.90,  -3.74,   0.02,
10/18 03Z,   1.00,  -5.49,  99.90,  -4.48,   0.01,
10/18 04Z,   1.00,  -6.29,  99.90,  -5.29,   0.01,
10/18 05Z,   1.00,  -6.92,  99.90,  -5.92,   0.00,
10/18 06Z,   0.90,  -7.26,  99.90,  -6.36,  -0.00,  (min)
10/18 07Z,   1.00,  -7.26,  99.90,  -6.27,  -0.01,
10/18 08Z,   1.00,  -6.94,  99.90,  -5.95,  -0.01,
10/18 09Z,   0.90,  -6.37,  99.90,  -5.48,  -0.02,
10/18 10Z,   0.90,  -5.66,  99.90,  -4.77,  -0.02,
10/18 11Z,   0.90,  -4.95,  99.90,  -4.06,  -0.02,
10/18 12Z,   0.90,  -4.36,  99.90,  -3.48,  -0.02,
10/18 13Z,   0.90,  -3.98,  99.90,  -3.09,  -0.02,
10/18 14Z,   0.90,  -3.83,  99.90,  -2.94,  -0.02,  (max)
10/18 15Z,   0.90,  -3.88,  99.90,  -2.99,  -0.02,
10/18 16Z,   0.90,  -4.06,  99.90,  -3.17,  -0.02,
10/18 17Z,   0.90,  -4.26,  99.90,  -3.37,  -0.02,
10/18 18Z,   0.90,  -4.39,  99.90,  -3.50,  -0.02,  (min)
10/18 19Z,   0.90,  -4.38,  99.90,  -3.49,  -0.02,
10/18 20Z,   0.90,  -4.21,  99.90,  -3.33,  -0.02,
10/18 21Z,   0.90,  -3.93,  99.90,  -3.05,  -0.02,
10/18 22Z,   0.90,  -3.61,  99.90,  -2.73,  -0.02,
10/18 23Z,   0.90,  -3.37,  99.90,  -2.49,  -0.02,
10/19 00Z,   1.00,  -3.31,  99.90,  -2.32,  -0.02,  (max)
10/19 01Z,   0.90,  -3.50,  99.90,  -2.61,  -0.02,
10/19 02Z,   0.90,  -3.95,  99.90,  -3.07,  -0.02,
10/19 03Z,   1.00,  -4.63,  99.90,  -3.65,  -0.02,
10/19 04Z,   0.90,  -5.43,  99.90,  -4.55,  -0.02,
10/19 05Z,   0.90,  -6.22,  99.90,  -5.34,  -0.02,
10/19 06Z,   0.90,  -6.85,  99.90,  -5.96,  -0.02,
10/19 07Z,   1.00,  -7.19,  99.90,  -6.21,  -0.02,
10/19 08Z,   0.90,  -7.20,  99.90,  -6.31,  -0.02,  (min)
10/19 09Z,   0.90,  -6.86,  99.90,  -5.97,  -0.02,
10/19 10Z,   1.00,  -6.25,  99.90,  -5.26,  -0.02,
10/19 11Z,   1.00,  -5.49,  99.90,  -4.51,  -0.02,
10/19 12Z,   1.00,  -4.74,  99.90,  -3.76,  -0.02,
10/19 13Z,   1.00,  -4.12,  99.90,  -3.14,  -0.02,
10/19 14Z,   1.00,  -3.75,  99.90,  -2.76,  -0.02,
10/19 15Z,   1.00,  -3.64,  99.90,  -2.66,  -0.02,  (max)
10/19 16Z,   1.00,  -3.77,  99.90,  -2.79,  -0.02,
10/19 17Z,   1.00,  -4.06,  99.90,  -3.08,  -0.02,
10/19 18Z,   1.00,  -4.38,  99.90,  -3.40,  -0.02,
10/19 19Z,   1.00,  -4.61,  99.90,  -3.63,  -0.02,
10/19 20Z,   1.00,  -4.68,  99.90,  -3.69,  -0.02,  (min)
10/19 21Z,   1.00,  -4.54,  99.90,  -3.55,  -0.02,
10/19 22Z,   1.00,  -4.23,  99.90,  -3.25,  -0.02,
10/19 23Z,   1.00,  -3.85,  99.90,  -2.87,  -0.02,
10/20 00Z,   1.10,  -3.53,  99.90,  -2.44,  -0.02,
10/20 01Z,   1.10,  -3.38,  99.90,  -2.29,  -0.02,  (max)
10/20 02Z,   1.10,  -3.50,  99.90,  -2.41,  -0.02,
10/20 03Z,   1.10,  -3.92,  99.90,  -2.83,  -0.02,
10/20 04Z,   1.10,  -4.59,  99.90,  -3.51,  -0.02,
10/20 05Z,   1.10,  -5.41,  99.90,  -4.33,  -0.02,
10/20 06Z,   1.10,  -6.22,  99.90,  -5.14,  -0.02,
10/20 07Z,   1.20,  -6.86,  99.90,  -5.67,  -0.02,
10/20 08Z,   1.20,  -7.19,  99.90,  -6.00,  -0.02,  (min)
10/20 09Z,   1.20,  -7.13,  99.90,  -5.95,  -0.02,
10/20 10Z,   1.20,  -6.71,  99.90,  -5.52,  -0.02,
10/20 11Z,   1.20,  -6.00,  99.90,  -4.82,  -0.02,
10/20 12Z,   1.20,  -5.16,  99.90,  -3.97,  -0.02,
10/20 13Z,   1.20,  -4.35,  99.90,  -3.17,  -0.02,
10/20 14Z,   1.20,  -3.74,  99.90,  -2.56,  -0.02,
10/20 15Z,   1.20,  -3.43,  99.90,  -2.25,  -0.02,  (max)
10/20 16Z,   1.20,  -3.46,  99.90,  -2.28,  -0.02,
10/20 17Z,   1.20,  -3.77,  99.90,  -2.58,  -0.02,
10/20 18Z,   1.20,  -4.23,  99.90,  -3.05,  -0.02,
10/20 19Z,   1.10,  -4.70,  99.90,  -3.62,  -0.02,
10/20 20Z,   1.10,  -5.03,  99.90,  -3.95,  -0.02,
10/20 21Z,   1.10,  -5.12,  99.90,  -4.04,  -0.02,  (min)
10/20 22Z,   1.10,  -4.94,  99.90,  -3.86,  -0.02,
10/20 23Z,   1.10,  -4.54,  99.90,  -3.45,  -0.02,
10/21 00Z,   1.20,  -4.04,  99.90,  -2.85,  -0.02,
10/21 01Z,   1.10,  -3.59,  99.90,  -2.51,  -0.02,
10/21 02Z,   1.10,  -3.35,  99.90,  -2.27,  -0.02,  (max)
10/21 03Z,   1.10,  -3.44,  99.90,  -2.35,  -0.02,
10/21 04Z,   1.10,  -3.87,  99.90,  -2.78,  -0.02,
10/21 05Z,   1.10,  -4.59,  99.90,  -3.50,  -0.02,
10/21 06Z,   1.10,  -5.46,  99.90,  -4.37,  -0.02,
10/21 07Z,   1.10,  -6.30,  99.90,  -5.21,  -0.02,
10/21 08Z,   1.10,  -6.91,  99.90,  -5.83,  -0.02,
10/21 09Z,   1.10,  -7.16,  99.90,  -6.08,  -0.02,  (min)
10/21 10Z,   1.10,  -6.98,  99.90,  -5.90,  -0.02,
10/21 11Z,   1.20,  -6.41,  99.90,  -5.22,  -0.02,
10/21 12Z,   1.20,  -5.56,  99.90,  -4.37,  -0.02,
10/21 13Z,  99.90,  -4.62,  99.90,  99.90,  -0.02,
10/21 14Z,  99.90,  -3.80,  99.90,  99.90,  -0.02,
10/21 15Z,  99.90,  -3.27,  99.90,  99.90,  -0.02,
10/21 16Z,  99.90,  -3.13,  99.90,  99.90,  -0.02,
10/21 17Z,  99.90,  -3.38,  99.90,  99.90,  -0.02,
10/21 18Z,  99.90,  -3.93,  99.90,  99.90,  -0.02,