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 : 03/13/2026 14:21:56 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/11 18Z,   0.20,   3.05,   2.60,  99.90,  -0.65,
03/11 19Z,   0.20,   2.35,   1.95,  99.90,  -0.60,
03/11 20Z,   0.20,   1.75,   1.30,  99.90,  -0.65,
03/11 21Z,   0.20,   1.26,   0.72,  99.90,  -0.74,
03/11 22Z,   0.20,   0.87,   0.36,  99.90,  -0.71,
03/11 23Z,   0.20,   0.63,   0.22,  99.90,  -0.61,  (min)
03/12 00Z,   0.20,   0.68,   0.37,  99.90,  -0.51,
03/12 01Z,   0.20,   1.04,   0.83,  99.90,  -0.41,
03/12 02Z,   0.20,   1.60,   1.47,  99.90,  -0.33,
03/12 03Z,   0.20,   2.26,   2.10,  99.90,  -0.36,
03/12 04Z,   0.20,   2.91,   2.57,  99.90,  -0.54,
03/12 05Z,   0.20,   3.42,   2.81,  99.90,  -0.81,
03/12 06Z,   0.00,   3.60,   2.93,  99.90,  -0.67,
03/12 07Z,   0.00,   3.42,   2.98,  99.90,  -0.44,  (max)
03/12 08Z,   0.00,   3.10,   2.93,  99.90,  -0.17,
03/12 09Z,   0.00,   2.83,   2.82,  99.90,  -0.01,
03/12 10Z,   0.00,   2.72,   2.77,  99.90,   0.05,  (min)
03/12 11Z,   0.00,   2.81,   2.85,  99.90,   0.04,
03/12 12Z,   0.10,   3.15,   3.07,  99.90,  -0.18,
03/12 13Z,   0.10,   3.67,   3.40,  99.90,  -0.37,
03/12 14Z,   0.10,   4.15,   3.72,  99.90,  -0.53,
03/12 15Z,   0.10,   4.39,   3.90,  99.90,  -0.59,  (max)
03/12 16Z,   0.10,   4.38,   3.88,  99.90,  -0.60,
03/12 17Z,   0.10,   4.15,   3.62,  99.90,  -0.63,
03/12 18Z,   0.00,   3.72,   3.13,  99.90,  -0.59,
03/12 19Z,   0.00,   3.10,  99.90,  99.90,  99.90,
03/12 20Z,   0.00,   2.41,   1.85,  99.90,  -0.56,
03/12 21Z,   0.00,   1.78,   1.22,  99.90,  -0.56,
03/12 22Z,   0.00,   1.23,   0.59,  99.90,  -0.64,
03/12 23Z,   0.00,   0.75,   0.16,  99.90,  -0.59,
03/13 00Z,  -0.10,   0.45,  -0.03,  99.90,  -0.38,  (min)
03/13 01Z,  -0.10,   0.50,   0.14,  99.90,  -0.26,
03/13 02Z,  -0.10,   0.90,   0.66,  99.90,  -0.14,
03/13 03Z,  -0.10,   1.55,   1.42,  99.90,  -0.03,
03/13 04Z,  -0.10,   2.32,   2.17,  99.90,  -0.05,
03/13 05Z,  -0.10,   3.09,   2.75,  99.90,  -0.24,
03/13 06Z,  -0.40,   3.64,   3.11,  99.90,  -0.13,
03/13 07Z,  -0.40,   3.80,   3.31,  99.90,  -0.09,
03/13 08Z,  -0.40,   3.58,   3.35,  99.90,   0.17,
03/13 09Z,  -0.40,   3.19,  99.90,  99.90,  99.90,  (max)
03/13 10Z,  -0.40,   2.83,   3.02,  99.90,   0.59,
03/13 11Z,  -0.40,   2.63,   2.87,  99.90,   0.64,  (min)
03/13 12Z,  -0.40,   2.64,   2.88,  99.90,   0.64,
03/13 13Z,  -0.40,   2.94,   3.15,  99.90,   0.61,
03/13 14Z,  -0.40,   3.46,   3.52,  99.90,   0.46,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/13 15Z,  -0.40,   3.98,  99.90,   3.99,   0.42,
03/13 16Z,  -0.40,   4.30,  99.90,   4.27,   0.37,
03/13 17Z,  -0.40,   4.38,  99.90,   4.31,   0.33,  (max)
03/13 18Z,  -0.40,   4.23,  99.90,   4.11,   0.29,
03/13 19Z,  -0.40,   3.81,  99.90,   3.65,   0.24,
03/13 20Z,  -0.40,   3.16,  99.90,   2.96,   0.20,
03/13 21Z,  -0.40,   2.41,  99.90,   2.17,   0.16,
03/13 22Z,  -0.40,   1.70,  99.90,   1.42,   0.12,
03/13 23Z,  -0.40,   1.06,  99.90,   0.74,   0.07,
03/14 00Z,  -0.40,   0.53,  99.90,   0.16,   0.03,
03/14 01Z,  -0.40,   0.24,  99.90,  -0.17,  -0.01,  (min)
03/14 02Z,  -0.40,   0.37,  99.90,  -0.08,  -0.05,
03/14 03Z,  -0.40,   0.91,  99.90,   0.45,  -0.05,
03/14 04Z,  -0.40,   1.70,  99.90,   1.24,  -0.05,
03/14 05Z,  -0.40,   2.58,  99.90,   2.13,  -0.05,
03/14 06Z,  -0.40,   3.39,  99.90,   2.94,  -0.05,
03/14 07Z,  -0.40,   3.90,  99.90,   3.45,  -0.05,
03/14 08Z,  -0.40,   3.95,  99.90,   3.50,  -0.05,  (max)
03/14 09Z,  -0.40,   3.61,  99.90,   3.15,  -0.05,
03/14 10Z,  -0.40,   3.10,  99.90,   2.65,  -0.05,
03/14 11Z,  -0.40,   2.65,  99.90,   2.19,  -0.05,
03/14 12Z,  -0.40,   2.35,  99.90,   1.90,  -0.05,
03/14 13Z,  -0.40,   2.33,  99.90,   1.88,  -0.05,  (min)
03/14 14Z,  -0.40,   2.67,  99.90,   2.21,  -0.05,
03/14 15Z,  -0.40,   3.27,  99.90,   2.81,  -0.05,
03/14 16Z,  -0.40,   3.89,  99.90,   3.43,  -0.05,
03/14 17Z,  -0.40,   4.31,  99.90,   3.86,  -0.05,
03/14 18Z,  -0.40,   4.48,  99.90,   4.02,  -0.05,  (max)
03/14 19Z,  -0.40,   4.34,  99.90,   3.89,  -0.05,
03/14 20Z,  -0.40,   3.88,  99.90,   3.42,  -0.05,
03/14 21Z,  -0.40,   3.13,  99.90,   2.68,  -0.05,
03/14 22Z,  -0.30,   2.29,  99.90,   1.93,  -0.05,
03/14 23Z,  -0.30,   1.49,  99.90,   1.14,  -0.05,
03/15 00Z,  -0.30,   0.80,  99.90,   0.44,  -0.05,
03/15 01Z,  -0.30,   0.27,  99.90,  -0.08,  -0.05,
03/15 02Z,  -0.30,   0.10,  99.90,  -0.26,  -0.05,  (min)
03/15 03Z,  -0.30,   0.41,  99.90,   0.05,  -0.05,
03/15 04Z,  -0.30,   1.13,  99.90,   0.78,  -0.05,
03/15 05Z,  -0.30,   2.06,  99.90,   1.71,  -0.05,
03/15 06Z,  -0.30,   3.00,  99.90,   2.65,  -0.05,
03/15 07Z,  -0.30,   3.76,  99.90,   3.41,  -0.05,
03/15 08Z,  -0.30,   4.13,  99.90,   3.78,  -0.05,  (max)
03/15 09Z,  -0.30,   3.99,  99.90,   3.64,  -0.05,
03/15 10Z,  -0.30,   3.47,  99.90,   3.12,  -0.05,
03/15 11Z,  -0.30,   2.84,  99.90,   2.49,  -0.05,
03/15 12Z,  -0.30,   2.30,  99.90,   1.95,  -0.05,
03/15 13Z,  -0.30,   1.97,  99.90,   1.62,  -0.05,  (min)
03/15 14Z,  -0.30,   1.99,  99.90,   1.63,  -0.05,
03/15 15Z,  -0.30,   2.42,  99.90,   2.07,  -0.05,
03/15 16Z,  -0.30,   3.16,  99.90,   2.80,  -0.05,
03/15 17Z,  -0.30,   3.90,  99.90,   3.55,  -0.05,
03/15 18Z,  -0.30,   4.42,  99.90,   4.06,  -0.05,
03/15 19Z,  -0.30,   4.61,  99.90,   4.25,  -0.05,  (max)
03/15 20Z,  -0.30,   4.43,  99.90,   4.07,  -0.05,
03/15 21Z,  -0.30,   3.85,  99.90,   3.49,  -0.05,
03/15 22Z,  -0.30,   2.98,  99.90,   2.62,  -0.05,
03/15 23Z,  -0.30,   2.03,  99.90,   1.68,  -0.05,
03/16 00Z,  -0.30,   1.19,  99.90,   0.83,  -0.05,
03/16 01Z,  -0.30,   0.50,  99.90,   0.15,  -0.05,
03/16 02Z,  -0.30,   0.09,  99.90,  -0.27,  -0.05,  (min)
03/16 03Z,  -0.30,   0.12,  99.90,  -0.24,  -0.05,
03/16 04Z,  -0.30,   0.67,  99.90,   0.32,  -0.05,
03/16 05Z,  -0.30,   1.59,  99.90,   1.24,  -0.05,
03/16 06Z,  -0.30,   2.62,  99.90,   2.26,  -0.05,
03/16 07Z,  -0.30,   3.52,  99.90,   3.17,  -0.05,
03/16 08Z,  -0.30,   4.13,  99.90,   3.77,  -0.05,
03/16 09Z,  -0.30,   4.25,  99.90,   3.90,  -0.05,  (max)
03/16 10Z,  -0.30,   3.87,  99.90,   3.52,  -0.05,
03/16 11Z,  -0.30,   3.17,  99.90,   2.82,  -0.05,
03/16 12Z,  -0.30,   2.44,  99.90,   2.08,  -0.05,
03/16 13Z,  -0.30,   1.85,  99.90,   1.50,  -0.05,
03/16 14Z,  -0.30,   1.55,  99.90,   1.19,  -0.05,  (min)
03/16 15Z,  -0.30,   1.66,  99.90,   1.31,  -0.05,
03/16 16Z,  -0.30,   2.26,  99.90,   1.90,  -0.05,
03/16 17Z,  -0.30,   3.14,  99.90,   2.79,  -0.05,
03/16 18Z,  -0.30,   3.99,  99.90,   3.63,  -0.05,
03/16 19Z,  -0.30,   4.54,  99.90,   4.19,  -0.05,
03/16 20Z,  -0.30,   4.70,  99.90,   4.35,  -0.05,  (max)
03/16 21Z,  -0.30,   4.41,  99.90,   4.06,  -0.05,
03/16 22Z,  -0.30,   3.69,  99.90,   3.34,  -0.05,
03/16 23Z,  -0.30,   2.70,  99.90,   2.35,  -0.05,
03/17 00Z,  -0.30,   1.70,  99.90,   1.35,  -0.05,
03/17 01Z,  -0.30,   0.87,  99.90,   0.51,  -0.05,
03/17 02Z,  -0.30,   0.28,  99.90,  -0.07,  -0.05,
03/17 03Z,  -0.30,   0.06,  99.90,  -0.29,  -0.05,  (min)
03/17 04Z,  -0.30,   0.37,  99.90,   0.02,  -0.05,
03/17 05Z,  -0.30,   1.19,  99.90,   0.84,  -0.05,
03/17 06Z,  -0.30,   2.27,  99.90,   1.91,  -0.05,