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 : 10/12/2026 12:24:10 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 12Z,   1.30,  -4.64,  -3.39,  99.90,  -0.05,
10/10 13Z,   1.30,  -4.37,  -3.12,  99.90,  -0.05,  (min)
10/10 14Z,   1.30,  -3.57,  -2.34,  99.90,  -0.07,
10/10 15Z,   1.30,  -2.42,  -1.19,  99.90,  -0.07,
10/10 16Z,   1.30,  -1.21,  -0.01,  99.90,  -0.10,
10/10 17Z,   1.30,  -0.26,   0.98,  99.90,  -0.06,
10/10 18Z,   1.30,   0.18,   1.45,  99.90,  -0.03,  (max)
10/10 19Z,   1.30,  -0.03,   1.27,  99.90,  -0.00,
10/10 20Z,   1.40,  -0.85,   0.47,  99.90,  -0.08,
10/10 21Z,   1.40,  -2.12,  -0.79,  99.90,  -0.07,
10/10 22Z,   1.30,  -3.55,  -2.25,  99.90,   0.00,
10/10 23Z,   1.30,  -4.82,  -3.48,  99.90,   0.04,
10/11 00Z,   1.30,  -5.65,  -4.36,  99.90,  -0.01,
10/11 01Z,   1.30,  -5.85,  -4.61,  99.90,  -0.06,  (min)
10/11 02Z,   1.30,  -5.40,  -4.15,  99.90,  -0.05,
10/11 03Z,   1.30,  -4.45,  -3.24,  99.90,  -0.09,
10/11 04Z,   1.30,  -3.23,  -2.04,  99.90,  -0.11,
10/11 05Z,   1.30,  -2.05,  -0.87,  99.90,  -0.12,
10/11 06Z,   1.30,  -1.20,  -0.02,  99.90,  -0.12,
10/11 07Z,   1.20,  -0.86,   0.33,  99.90,  -0.01,  (max)
10/11 08Z,   1.30,  -1.07,   0.22,  99.90,  -0.01,
10/11 09Z,   1.30,  -1.74,  -0.55,  99.90,  -0.11,
10/11 10Z,   1.30,  -2.65,  -1.36,  99.90,  -0.01,
10/11 11Z,   1.30,  -3.51,  -2.20,  99.90,   0.01,
10/11 12Z,   1.40,  -4.06,  -2.76,  99.90,  -0.10,
10/11 13Z,   1.40,  -4.12,  -2.76,  99.90,  -0.04,  (min)
10/11 14Z,   1.40,  -3.64,  -2.34,  99.90,  -0.10,
10/11 15Z,   1.40,  -2.73,  -1.47,  99.90,  -0.14,
10/11 16Z,   1.40,  -1.61,  -0.42,  99.90,  -0.21,
10/11 17Z,   1.40,  -0.58,   0.63,  99.90,  -0.19,
10/11 18Z,   1.40,   0.09,   1.29,  99.90,  -0.20,
10/11 19Z,   1.40,   0.20,   1.48,  99.90,  -0.12,  (max)
10/11 20Z,   1.40,  -0.33,   0.95,  99.90,  -0.12,
10/11 21Z,   1.40,  -1.40,  -0.12,  99.90,  -0.12,
10/11 22Z,   1.40,  -2.80,  -1.48,  99.90,  -0.08,
10/11 23Z,   1.40,  -4.22,  -2.94,  99.90,  -0.12,
10/12 00Z,   1.30,  -5.37,  -4.04,  99.90,   0.03,
10/12 01Z,   1.30,  -6.00,  -4.72,  99.90,  -0.02,
10/12 02Z,   1.30,  -5.99,  -4.76,  99.90,  -0.07,  (min)
10/12 03Z,   1.20,  -5.38,  -4.17,  99.90,   0.01,
10/12 04Z,   1.20,  -4.34,  -3.21,  99.90,  -0.07,
10/12 05Z,   1.20,  -3.13,  -2.08,  99.90,  -0.15,
10/12 06Z,   1.20,  -2.04,  -1.00,  99.90,  -0.16,
10/12 07Z,   1.20,  -1.32,  -0.31,  99.90,  -0.19,
10/12 08Z,   1.20,  -1.09,  -0.05,  99.90,  -0.16,  (max)
10/12 09Z,   1.20,  -1.36,  -0.31,  99.90,  -0.15,
10/12 10Z,   1.20,  -1.99,  -0.87,  99.90,  -0.08,
10/12 11Z,   1.10,  -2.75,  -1.64,  99.90,   0.01,
10/12 12Z,   1.10,  -3.39,  -2.30,  99.90,  -0.01,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 13Z,   1.10,  -3.68,  99.90,  -2.60,  -0.02,  (min)
10/12 14Z,   1.10,  -3.52,  99.90,  -2.45,  -0.03,
10/12 15Z,   1.10,  -2.90,  99.90,  -1.84,  -0.04,
10/12 16Z,   1.10,  -1.98,  99.90,  -0.93,  -0.04,
10/12 17Z,   1.10,  -0.99,  99.90,   0.06,  -0.05,
10/12 18Z,   1.10,  -0.20,  99.90,   0.84,  -0.06,
10/12 19Z,   1.10,   0.16,  99.90,   1.19,  -0.07,  (max)
10/12 20Z,   1.10,  -0.04,  99.90,   0.98,  -0.08,
10/12 21Z,   1.10,  -0.82,  99.90,   0.19,  -0.09,
10/12 22Z,   1.10,  -2.03,  99.90,  -1.03,  -0.09,
10/12 23Z,   1.10,  -3.44,  99.90,  -2.44,  -0.10,
10/13 00Z,   1.10,  -4.76,  99.90,  -3.77,  -0.11,
10/13 01Z,   1.10,  -5.71,  99.90,  -4.72,  -0.11,
10/13 02Z,   1.10,  -6.12,  99.90,  -5.13,  -0.11,  (min)
10/13 03Z,   1.10,  -5.92,  99.90,  -4.93,  -0.11,
10/13 04Z,   1.10,  -5.20,  99.90,  -4.21,  -0.11,
10/13 05Z,   1.10,  -4.14,  99.90,  -3.15,  -0.11,
10/13 06Z,   1.00,  -3.01,  99.90,  -2.12,  -0.11,
10/13 07Z,   1.10,  -2.06,  99.90,  -1.07,  -0.11,
10/13 08Z,   1.00,  -1.47,  99.90,  -0.58,  -0.11,
10/13 09Z,   1.00,  -1.34,  99.90,  -0.45,  -0.11,  (max)
10/13 10Z,   1.00,  -1.62,  99.90,  -0.74,  -0.11,
10/13 11Z,   1.00,  -2.17,  99.90,  -1.28,  -0.11,
10/13 12Z,   1.00,  -2.75,  99.90,  -1.86,  -0.11,
10/13 13Z,   1.00,  -3.17,  99.90,  -2.28,  -0.11,
10/13 14Z,   1.00,  -3.25,  99.90,  -2.36,  -0.11,  (min)
10/13 15Z,   1.00,  -2.93,  99.90,  -2.04,  -0.11,
10/13 16Z,   0.90,  -2.26,  99.90,  -1.47,  -0.11,
10/13 17Z,   0.90,  -1.42,  99.90,  -0.63,  -0.11,
10/13 18Z,   0.90,  -0.62,  99.90,   0.17,  -0.11,
10/13 19Z,   0.90,  -0.09,  99.90,   0.70,  -0.11,
10/13 20Z,   0.90,  -0.01,  99.90,   0.78,  -0.11,  (max)
10/13 21Z,   0.90,  -0.46,  99.90,   0.33,  -0.11,
10/13 22Z,   0.90,  -1.39,  99.90,  -0.60,  -0.11,
10/13 23Z,   0.90,  -2.63,  99.90,  -1.84,  -0.11,
10/14 00Z,   0.90,  -3.95,  99.90,  -3.16,  -0.11,
10/14 01Z,   0.90,  -5.09,  99.90,  -4.30,  -0.11,
10/14 02Z,   0.90,  -5.83,  99.90,  -5.04,  -0.11,
10/14 03Z,   0.90,  -6.04,  99.90,  -5.25,  -0.11,  (min)
10/14 04Z,   0.90,  -5.70,  99.90,  -4.91,  -0.11,
10/14 05Z,   0.90,  -4.94,  99.90,  -4.15,  -0.11,
10/14 06Z,   0.90,  -3.93,  99.90,  -3.14,  -0.11,
10/14 07Z,   0.90,  -2.92,  99.90,  -2.13,  -0.11,
10/14 08Z,   0.90,  -2.12,  99.90,  -1.33,  -0.11,
10/14 09Z,   0.90,  -1.66,  99.90,  -0.87,  -0.11,
10/14 10Z,   0.90,  -1.58,  99.90,  -0.79,  -0.11,  (max)
10/14 11Z,   0.90,  -1.83,  99.90,  -1.04,  -0.11,
10/14 12Z,   0.90,  -2.25,  99.90,  -1.47,  -0.11,
10/14 13Z,   0.90,  -2.66,  99.90,  -1.88,  -0.11,
10/14 14Z,   0.90,  -2.89,  99.90,  -2.10,  -0.11,  (min)
10/14 15Z,   0.90,  -2.81,  99.90,  -2.02,  -0.11,
10/14 16Z,   0.90,  -2.42,  99.90,  -1.63,  -0.11,
10/14 17Z,   0.90,  -1.79,  99.90,  -1.01,  -0.11,
10/14 18Z,   0.90,  -1.09,  99.90,  -0.30,  -0.11,
10/14 19Z,   0.90,  -0.50,  99.90,   0.29,  -0.11,
10/14 20Z,   0.90,  -0.21,  99.90,   0.58,  -0.11,  (max)
10/14 21Z,   0.90,  -0.35,  99.90,   0.44,  -0.11,
10/14 22Z,   0.90,  -0.95,  99.90,  -0.16,  -0.11,
10/14 23Z,   0.90,  -1.91,  99.90,  -1.12,  -0.11,
10/15 00Z,   0.90,  -3.09,  99.90,  -2.30,  -0.11,
10/15 01Z,   0.90,  -4.26,  99.90,  -3.47,  -0.11,
10/15 02Z,   0.90,  -5.20,  99.90,  -4.41,  -0.11,
10/15 03Z,   0.90,  -5.75,  99.90,  -4.96,  -0.11,
10/15 04Z,   0.90,  -5.81,  99.90,  -5.02,  -0.11,  (min)
10/15 05Z,   0.90,  -5.42,  99.90,  -4.63,  -0.11,
10/15 06Z,   0.90,  -4.68,  99.90,  -3.89,  -0.11,
10/15 07Z,   0.90,  -3.77,  99.90,  -2.98,  -0.11,
10/15 08Z,   0.90,  -2.89,  99.90,  -2.11,  -0.11,
10/15 09Z,   0.90,  -2.22,  99.90,  -1.43,  -0.11,
10/15 10Z,   1.00,  -1.84,  99.90,  -0.95,  -0.11,
10/15 11Z,   1.00,  -1.77,  99.90,  -0.88,  -0.11,  (max)
10/15 12Z,   0.90,  -1.95,  99.90,  -1.17,  -0.11,
10/15 13Z,   1.00,  -2.25,  99.90,  -1.36,  -0.11,
10/15 14Z,   1.00,  -2.51,  99.90,  -1.62,  -0.11,
10/15 15Z,   0.90,  -2.61,  99.90,  -1.82,  -0.11,  (min)
10/15 16Z,   0.90,  -2.46,  99.90,  -1.67,  -0.11,
10/15 17Z,   1.00,  -2.07,  99.90,  -1.18,  -0.11,
10/15 18Z,   0.90,  -1.54,  99.90,  -0.75,  -0.11,
10/15 19Z,   0.90,  -0.99,  99.90,  -0.20,  -0.11,
10/15 20Z,   0.90,  -0.59,  99.90,   0.20,  -0.11,
10/15 21Z,   0.90,  -0.48,  99.90,   0.31,  -0.11,  (max)
10/15 22Z,   0.90,  -0.74,  99.90,   0.05,  -0.11,
10/15 23Z,   0.90,  -1.38,  99.90,  -0.59,  -0.11,
10/16 00Z,   1.00,  -2.30,  99.90,  -1.41,  -0.11,