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 Chicago, CA : 04/12/2026 22:22:46 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/11 06Z,   0.20,  -1.17,  -0.74,  99.90,   0.23,
04/11 07Z,   0.20,  -1.31,  -0.79,  99.90,   0.32,  (max)
04/11 08Z,   0.20,  -1.73,  -1.04,  99.90,   0.49,
04/11 09Z,   0.20,  -2.19,  -1.44,  99.90,   0.55,
04/11 10Z,   0.20,  -2.53,  -1.77,  99.90,   0.56,
04/11 11Z,   0.20,  -2.68,  -1.90,  99.90,   0.58,  (min)
04/11 12Z,   0.50,  -2.55,  -1.72,  99.90,   0.33,
04/11 13Z,   0.50,  -2.13,  -1.37,  99.90,   0.26,
04/11 14Z,   0.50,  -1.59,  -0.96,  99.90,   0.13,
04/11 15Z,   0.50,  -1.18,  -0.61,  99.90,   0.07,
04/11 16Z,   0.50,  -1.01,  -0.46,  99.90,   0.05,  (max)
04/11 17Z,   0.50,  -1.09,  -0.64,  99.90,  -0.05,
04/11 18Z,   0.60,  -1.41,  -1.04,  99.90,  -0.23,
04/11 19Z,   0.60,  -1.99,  -1.72,  99.90,  -0.33,
04/11 20Z,   0.60,  -2.73,  -2.40,  99.90,  -0.27,
04/11 21Z,   0.60,  -3.45,  -3.03,  99.90,  -0.18,
04/11 22Z,   0.60,  -4.03,  -3.71,  99.90,  -0.28,
04/11 23Z,   0.60,  -4.47,  -4.16,  99.90,  -0.29,
04/12 00Z,   0.40,  -4.69,  -4.27,  99.90,   0.02,  (min)
04/12 01Z,   0.40,  -4.56,  -3.85,  99.90,   0.31,
04/12 02Z,   0.40,  -4.05,  -2.98,  99.90,   0.67,
04/12 03Z,   0.40,  -3.28,  -2.23,  99.90,   0.65,
04/12 04Z,   0.40,  -2.45,  -1.41,  99.90,   0.64,
04/12 05Z,   0.50,  -1.68,  -0.79,  99.90,   0.39,
04/12 06Z,   0.30,  -1.14,  -0.36,  99.90,   0.48,
04/12 07Z,   0.30,  -1.00,  -0.19,  99.90,   0.51,  (max)
04/12 08Z,   0.30,  -1.31,  -0.28,  99.90,   0.73,
04/12 09Z,   0.30,  -1.87,  -0.72,  99.90,   0.85,
04/12 10Z,   0.30,  -2.45,  -1.37,  99.90,   0.78,
04/12 11Z,   0.30,  -2.89,  -1.86,  99.90,   0.73,
04/12 12Z,   0.60,  -3.10,  -2.07,  99.90,   0.43,  (min)
04/12 13Z,   0.60,  -2.98,  -1.93,  99.90,   0.45,
04/12 14Z,   0.60,  -2.52,  -1.51,  99.90,   0.41,
04/12 15Z,   0.60,  -1.89,  -0.93,  99.90,   0.36,
04/12 16Z,   0.60,  -1.35,  -0.36,  99.90,   0.39,
04/12 17Z,   0.60,  -1.05,  -0.08,  99.90,   0.37,  (max)
04/12 18Z,   0.60,  -1.03,  -0.19,  99.90,   0.24,
04/12 19Z,   0.60,  -1.33,  -0.71,  99.90,   0.02,
04/12 20Z,   0.60,  -1.95,  -1.47,  99.90,  -0.12,
04/12 21Z,   0.60,  -2.76,  -2.30,  99.90,  -0.14,
04/12 22Z,   0.60,  -3.54,  -3.05,  99.90,  -0.11,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/12 23Z,   0.60,  -4.17,  99.90,  -3.65,  -0.09,
04/13 00Z,   0.60,  -4.60,  99.90,  -4.07,  -0.07,
04/13 01Z,   0.60,  -4.73,  99.90,  -4.18,  -0.05,  (min)
04/13 02Z,   0.60,  -4.45,  99.90,  -3.88,  -0.03,
04/13 03Z,   0.60,  -3.75,  99.90,  -3.16,  -0.01,
04/13 04Z,   0.60,  -2.85,  99.90,  -2.24,   0.01,
04/13 05Z,   0.60,  -1.95,  99.90,  -1.33,   0.03,
04/13 06Z,   0.60,  -1.23,  99.90,  -0.58,   0.05,
04/13 07Z,   0.60,  -0.83,  99.90,  -0.17,   0.06,  (max)
04/13 08Z,   0.60,  -0.91,  99.90,  -0.22,   0.08,
04/13 09Z,   0.60,  -1.43,  99.90,  -0.72,   0.10,
04/13 10Z,   0.60,  -2.15,  99.90,  -1.43,   0.12,
04/13 11Z,   0.60,  -2.85,  99.90,  -2.12,   0.12,
04/13 12Z,   0.60,  -3.36,  99.90,  -2.64,   0.12,
04/13 13Z,   0.60,  -3.59,  99.90,  -2.87,   0.12,  (min)
04/13 14Z,   0.60,  -3.42,  99.90,  -2.70,   0.12,
04/13 15Z,   0.60,  -2.84,  99.90,  -2.12,   0.12,
04/13 16Z,   0.60,  -2.07,  99.90,  -1.35,   0.12,
04/13 17Z,   0.60,  -1.40,  99.90,  -0.68,   0.12,
04/13 18Z,   0.60,  -0.99,  99.90,  -0.27,   0.12,
04/13 19Z,   0.60,  -0.93,  99.90,  -0.21,   0.12,  (max)
04/13 20Z,   0.60,  -1.27,  99.90,  -0.55,   0.12,
04/13 21Z,   0.60,  -1.98,  99.90,  -1.25,   0.12,
04/13 22Z,   0.60,  -2.86,  99.90,  -2.14,   0.12,
04/13 23Z,   0.60,  -3.68,  99.90,  -2.96,   0.12,
04/14 00Z,   0.60,  -4.29,  99.90,  -3.57,   0.12,
04/14 01Z,   0.60,  -4.64,  99.90,  -3.92,   0.12,  (min)
04/14 02Z,   0.60,  -4.61,  99.90,  -3.89,   0.12,
04/14 03Z,   0.60,  -4.10,  99.90,  -3.38,   0.12,
04/14 04Z,   0.60,  -3.21,  99.90,  -2.49,   0.12,
04/14 05Z,   0.60,  -2.19,  99.90,  -1.47,   0.12,
04/14 06Z,   0.60,  -1.31,  99.90,  -0.59,   0.12,
04/14 07Z,   0.60,  -0.73,  99.90,  -0.01,   0.12,
04/14 08Z,   0.60,  -0.58,  99.90,   0.14,   0.12,  (max)
04/14 09Z,   0.60,  -0.94,  99.90,  -0.21,   0.12,
04/14 10Z,   0.60,  -1.69,  99.90,  -0.97,   0.12,
04/14 11Z,   0.60,  -2.57,  99.90,  -1.85,   0.12,
04/14 12Z,   0.60,  -3.35,  99.90,  -2.62,   0.12,
04/14 13Z,   0.60,  -3.88,  99.90,  -3.16,   0.12,
04/14 14Z,   0.60,  -4.07,  99.90,  -3.35,   0.12,  (min)
04/14 15Z,   0.60,  -3.78,  99.90,  -3.06,   0.12,
04/14 16Z,   0.60,  -3.05,  99.90,  -2.33,   0.12,
04/14 17Z,   0.60,  -2.14,  99.90,  -1.42,   0.12,
04/14 18Z,   0.60,  -1.36,  99.90,  -0.64,   0.12,
04/14 19Z,   0.60,  -0.90,  99.90,  -0.18,   0.12,
04/14 20Z,   0.60,  -0.86,  99.90,  -0.13,   0.12,  (max)
04/14 21Z,   0.60,  -1.27,  99.90,  -0.54,   0.12,
04/14 22Z,   0.60,  -2.06,  99.90,  -1.34,   0.12,
04/14 23Z,   0.50,  -2.99,  99.90,  -2.37,   0.12,
04/15 00Z,   0.50,  -3.79,  99.90,  -3.17,   0.12,
04/15 01Z,   0.50,  -4.33,  99.90,  -3.71,   0.12,
04/15 02Z,   0.50,  -4.53,  99.90,  -3.91,   0.12,  (min)
04/15 03Z,   0.50,  -4.27,  99.90,  -3.65,   0.12,
04/15 04Z,   0.50,  -3.52,  99.90,  -2.90,   0.12,
04/15 05Z,   0.50,  -2.45,  99.90,  -1.83,   0.12,
04/15 06Z,   0.50,  -1.40,  99.90,  -0.78,   0.12,
04/15 07Z,   0.50,  -0.64,  99.90,  -0.02,   0.12,
04/15 08Z,   0.50,  -0.30,  99.90,   0.33,   0.12,  (max)
04/15 09Z,   0.50,  -0.45,  99.90,   0.17,   0.12,
04/15 10Z,   0.50,  -1.11,  99.90,  -0.49,   0.12,
04/15 11Z,   0.50,  -2.08,  99.90,  -1.46,   0.12,
04/15 12Z,   0.50,  -3.08,  99.90,  -2.45,   0.12,
04/15 13Z,   0.50,  -3.88,  99.90,  -3.26,   0.12,
04/15 14Z,   0.50,  -4.39,  99.90,  -3.77,   0.12,
04/15 15Z,   0.50,  -4.49,  99.90,  -3.86,   0.12,  (min)
04/15 16Z,   0.50,  -4.05,  99.90,  -3.43,   0.12,
04/15 17Z,   0.50,  -3.17,  99.90,  -2.54,   0.12,
04/15 18Z,   0.50,  -2.14,  99.90,  -1.52,   0.12,
04/15 19Z,   0.50,  -1.30,  99.90,  -0.67,   0.12,
04/15 20Z,   0.50,  -0.83,  99.90,  -0.21,   0.12,
04/15 21Z,   0.50,  -0.83,  99.90,  -0.21,   0.12,  (max)
04/15 22Z,   0.50,  -1.32,  99.90,  -0.70,   0.12,
04/15 23Z,   0.50,  -2.17,  99.90,  -1.55,   0.12,
04/16 00Z,   0.50,  -3.09,  99.90,  -2.47,   0.12,
04/16 01Z,   0.50,  -3.82,  99.90,  -3.20,   0.12,
04/16 02Z,   0.50,  -4.23,  99.90,  -3.61,   0.12,  (min)
04/16 03Z,   0.50,  -4.23,  99.90,  -3.60,   0.12,
04/16 04Z,   0.50,  -3.72,  99.90,  -3.10,   0.12,
04/16 05Z,   0.50,  -2.75,  99.90,  -2.13,   0.12,
04/16 06Z,   0.50,  -1.58,  99.90,  -0.96,   0.12,
04/16 07Z,   0.50,  -0.59,  99.90,   0.03,   0.12,
04/16 08Z,   0.50,  -0.03,  99.90,   0.59,   0.12,
04/16 09Z,   0.50,   0.00,  99.90,   0.63,   0.12,  (max)
04/16 10Z,   0.50,  -0.49,  99.90,   0.14,   0.12,
04/16 11Z,   0.50,  -1.42,  99.90,  -0.80,   0.12,
04/16 12Z,   0.50,  -2.55,  99.90,  -1.93,   0.12,
04/16 13Z,  99.90,  -3.60,  99.90,  99.90,   0.12,
04/16 14Z,  99.90,  -4.39,  99.90,  99.90,   0.12,
04/16 15Z,  99.90,  -4.83,  99.90,  99.90,   0.12,
04/16 16Z,  99.90,  -4.80,  99.90,  99.90,   0.12,
04/16 17Z,  99.90,  -4.22,  99.90,  99.90,   0.12,
04/16 18Z,  99.90,  -3.20,  99.90,  99.90,   0.12,