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 : 12/10/2025 13:22:36 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/08 18Z,  -0.10,  -2.85,  -3.27,  99.90,  -0.32,  (min)
12/08 19Z,  -0.10,  -2.76,  -2.93,  99.90,  -0.07,
12/08 20Z,  -0.10,  -2.21,  -2.13,  99.90,   0.18,
12/08 21Z,  -0.10,  -1.32,  -1.20,  99.90,   0.22,
12/08 22Z,  -0.10,  -0.44,  -0.48,  99.90,   0.06,
12/08 23Z,  -0.10,   0.11,  -0.07,  99.90,  -0.08,
12/09 00Z,  -0.10,   0.19,  -0.02,  99.90,  -0.11,  (max)
12/09 01Z,  -0.10,  -0.17,  -0.45,  99.90,  -0.18,
12/09 02Z,  -0.10,  -0.93,  -1.43,  99.90,  -0.40,
12/09 03Z,  -0.10,  -1.96,  -2.60,  99.90,  -0.54,
12/09 04Z,  -0.10,  -3.08,  -3.59,  99.90,  -0.41,
12/09 05Z,  -0.10,  -4.08,  -4.25,  99.90,  -0.07,
12/09 06Z,  -0.10,  -4.88,  -4.88,  99.90,   0.10,
12/09 07Z,  -0.10,  -5.39,  -5.46,  99.90,   0.03,
12/09 08Z,  -0.10,  -5.46,  -5.69,  99.90,  -0.13,  (min)
12/09 09Z,  -0.10,  -4.97,  -5.18,  99.90,  -0.11,
12/09 10Z,  -0.10,  -4.03,  -4.03,  99.90,   0.10,
12/09 11Z,  -0.10,  -2.94,  -2.82,  99.90,   0.22,
12/09 12Z,   0.00,  -1.92,  -1.95,  99.90,  -0.03,
12/09 13Z,   0.00,  -1.14,  -1.40,  99.90,  -0.26,
12/09 14Z,   0.00,  -0.77,  -1.13,  99.90,  -0.36,  (max)
12/09 15Z,   0.00,  -0.91,  -1.16,  99.90,  -0.25,
12/09 16Z,   0.00,  -1.44,  -1.61,  99.90,  -0.17,
12/09 17Z,   0.00,  -2.11,  -2.35,  99.90,  -0.24,
12/09 18Z,  -0.10,  -2.69,  -3.05,  99.90,  -0.26,
12/09 19Z,  -0.10,  -3.02,  -3.37,  99.90,  -0.25,  (min)
12/09 20Z,  -0.10,  -2.98,  -3.09,  99.90,  -0.01,
12/09 21Z,  -0.10,  -2.48,  -2.42,  99.90,   0.16,
12/09 22Z,  -0.10,  -1.68,  -1.60,  99.90,   0.18,
12/09 23Z,  -0.10,  -0.90,  -0.88,  99.90,   0.12,
12/10 00Z,  -0.20,  -0.43,  -0.48,  99.90,   0.15,
12/10 01Z,  -0.20,  -0.35,  -0.47,  99.90,   0.08,  (max)
12/10 02Z,  -0.20,  -0.65,  -0.88,  99.90,  -0.03,
12/10 03Z,  -0.20,  -1.32,  -1.80,  99.90,  -0.28,
12/10 04Z,  -0.20,  -2.26,  -2.90,  99.90,  -0.44,
12/10 05Z,  -0.20,  -3.27,  -3.82,  99.90,  -0.35,
12/10 06Z,  -0.30,  -4.16,  -4.44,  99.90,   0.02,
12/10 07Z,  -0.30,  -4.85,  -4.96,  99.90,   0.19,
12/10 08Z,  -0.30,  -5.25,  -5.40,  99.90,   0.15,
12/10 09Z,  -0.30,  -5.21,  -5.47,  99.90,   0.04,  (min)
12/10 10Z,  -0.30,  -4.64,  -4.72,  99.90,   0.22,
12/10 11Z,  -0.30,  -3.70,  -3.55,  99.90,   0.45,
12/10 12Z,  -0.30,  -2.65,  -2.46,  99.90,   0.49,
12/10 13Z,  -0.30,  -1.70,  -1.66,  99.90,   0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/10 14Z,  -0.30,  -1.00,  99.90,  -0.99,   0.31,
12/10 15Z,  -0.30,  -0.71,  99.90,  -0.73,   0.28,  (max)
12/10 16Z,  -0.30,  -0.93,  99.90,  -0.98,   0.25,
12/10 17Z,  -0.30,  -1.52,  99.90,  -1.60,   0.22,
12/10 18Z,  -0.30,  -2.23,  99.90,  -2.34,   0.19,
12/10 19Z,  -0.30,  -2.84,  99.90,  -2.99,   0.16,
12/10 20Z,  -0.30,  -3.23,  99.90,  -3.41,   0.12,
12/10 21Z,  -0.30,  -3.25,  99.90,  -3.46,   0.09,  (min)
12/10 22Z,  -0.30,  -2.85,  99.90,  -3.08,   0.06,
12/10 23Z,  -0.30,  -2.15,  99.90,  -2.42,   0.03,
12/11 00Z,  -0.30,  -1.47,  99.90,  -1.77,  -0.00,
12/11 01Z,  -0.30,  -1.04,  99.90,  -1.37,  -0.03,
12/11 02Z,  -0.30,  -0.91,  99.90,  -1.24,  -0.03,  (max)
12/11 03Z,  -0.30,  -1.11,  99.90,  -1.44,  -0.03,
12/11 04Z,  -0.30,  -1.67,  99.90,  -2.01,  -0.03,
12/11 05Z,  -0.30,  -2.51,  99.90,  -2.84,  -0.03,
12/11 06Z,  -0.30,  -3.40,  99.90,  -3.73,  -0.03,
12/11 07Z,  -0.30,  -4.18,  99.90,  -4.51,  -0.03,
12/11 08Z,  -0.30,  -4.76,  99.90,  -5.09,  -0.03,
12/11 09Z,  -0.30,  -5.04,  99.90,  -5.37,  -0.03,  (min)
12/11 10Z,  -0.30,  -4.89,  99.90,  -5.22,  -0.03,
12/11 11Z,  -0.30,  -4.26,  99.90,  -4.59,  -0.03,
12/11 12Z,  -0.30,  -3.32,  99.90,  -3.65,  -0.03,
12/11 13Z,  -0.30,  -2.33,  99.90,  -2.66,  -0.03,
12/11 14Z,  -0.30,  -1.45,  99.90,  -1.78,  -0.03,
12/11 15Z,  -0.30,  -0.82,  99.90,  -1.16,  -0.03,
12/11 16Z,  -0.30,  -0.63,  99.90,  -0.96,  -0.03,  (max)
12/11 17Z,  -0.30,  -0.93,  99.90,  -1.26,  -0.03,
12/11 18Z,  -0.30,  -1.59,  99.90,  -1.92,  -0.03,
12/11 19Z,  -0.30,  -2.34,  99.90,  -2.67,  -0.03,
12/11 20Z,  -0.30,  -3.01,  99.90,  -3.35,  -0.03,
12/11 21Z,  -0.30,  -3.48,  99.90,  -3.81,  -0.03,
12/11 22Z,  -0.30,  -3.59,  99.90,  -3.92,  -0.03,  (min)
12/11 23Z,  -0.30,  -3.28,  99.90,  -3.61,  -0.03,
12/12 00Z,  -0.30,  -2.69,  99.90,  -3.02,  -0.03,
12/12 01Z,  -0.30,  -2.08,  99.90,  -2.41,  -0.03,
12/12 02Z,  -0.30,  -1.62,  99.90,  -1.95,  -0.03,
12/12 03Z,  -0.30,  -1.40,  99.90,  -1.73,  -0.03,  (max)
12/12 04Z,  -0.30,  -1.49,  99.90,  -1.82,  -0.03,
12/12 05Z,  -0.30,  -1.93,  99.90,  -2.27,  -0.03,
12/12 06Z,  -0.30,  -2.66,  99.90,  -2.99,  -0.03,
12/12 07Z,  -0.30,  -3.44,  99.90,  -3.77,  -0.03,
12/12 08Z,  -0.30,  -4.10,  99.90,  -4.43,  -0.03,
12/12 09Z,  -0.30,  -4.57,  99.90,  -4.90,  -0.03,
12/12 10Z,  -0.30,  -4.75,  99.90,  -5.08,  -0.03,  (min)
12/12 11Z,  -0.30,  -4.49,  99.90,  -4.83,  -0.03,
12/12 12Z,  -0.30,  -3.81,  99.90,  -4.14,  -0.03,
12/12 13Z,  -0.30,  -2.88,  99.90,  -3.21,  -0.03,
12/12 14Z,  -0.30,  -1.94,  99.90,  -2.27,  -0.03,
12/12 15Z,  -0.30,  -1.13,  99.90,  -1.46,  -0.03,
12/12 16Z,  -0.30,  -0.61,  99.90,  -0.94,  -0.03,
12/12 17Z,  -0.30,  -0.53,  99.90,  -0.86,  -0.03,  (max)
12/12 18Z,  -0.30,  -0.93,  99.90,  -1.27,  -0.03,
12/12 19Z,  -0.30,  -1.67,  99.90,  -2.00,  -0.03,
12/12 20Z,  -0.30,  -2.48,  99.90,  -2.81,  -0.03,
12/12 21Z,  -0.30,  -3.22,  99.90,  -3.55,  -0.03,
12/12 22Z,  -0.30,  -3.77,  99.90,  -4.10,  -0.03,
12/12 23Z,  -0.30,  -3.98,  99.90,  -4.31,  -0.03,  (min)
12/13 00Z,  -0.30,  -3.76,  99.90,  -4.09,  -0.03,
12/13 01Z,  -0.30,  -3.23,  99.90,  -3.56,  -0.03,
12/13 02Z,  -0.30,  -2.62,  99.90,  -2.95,  -0.03,
12/13 03Z,  -0.30,  -2.10,  99.90,  -2.43,  -0.03,
12/13 04Z,  -0.30,  -1.76,  99.90,  -2.09,  -0.03,
12/13 05Z,  -0.30,  -1.72,  99.90,  -2.05,  -0.03,  (max)
12/13 06Z,  -0.30,  -2.06,  99.90,  -2.39,  -0.03,
12/13 07Z,  -0.30,  -2.69,  99.90,  -3.02,  -0.03,
12/13 08Z,  -0.30,  -3.37,  99.90,  -3.70,  -0.03,
12/13 09Z,  -0.30,  -3.93,  99.90,  -4.26,  -0.03,
12/13 10Z,  -0.30,  -4.30,  99.90,  -4.64,  -0.03,
12/13 11Z,  -0.30,  -4.37,  99.90,  -4.70,  -0.03,  (min)
12/13 12Z,  -0.20,  -4.02,  99.90,  -4.25,  -0.03,
12/13 13Z,  -0.20,  -3.29,  99.90,  -3.52,  -0.03,
12/13 14Z,  -0.20,  -2.37,  99.90,  -2.60,  -0.03,
12/13 15Z,  -0.20,  -1.49,  99.90,  -1.72,  -0.03,
12/13 16Z,  -0.20,  -0.77,  99.90,  -1.00,  -0.03,
12/13 17Z,  -0.20,  -0.37,  99.90,  -0.60,  -0.03,  (max)
12/13 18Z,  -0.20,  -0.44,  99.90,  -0.67,  -0.03,
12/13 19Z,  -0.20,  -0.97,  99.90,  -1.21,  -0.03,
12/13 20Z,  -0.20,  -1.79,  99.90,  -2.02,  -0.03,
12/13 21Z,  -0.20,  -2.67,  99.90,  -2.90,  -0.03,
12/13 22Z,  -0.20,  -3.49,  99.90,  -3.72,  -0.03,
12/13 23Z,  -0.20,  -4.11,  99.90,  -4.35,  -0.03,
12/14 00Z,  -0.20,  -4.38,  99.90,  -4.62,  -0.03,  (min)
12/14 01Z,  -0.20,  -4.20,  99.90,  -4.44,  -0.03,
12/14 02Z,  -0.20,  -3.68,  99.90,  -3.91,  -0.03,
12/14 03Z,  -0.20,  -3.03,  99.90,  -3.26,  -0.03,
12/14 04Z,  -0.20,  -2.40,  99.90,  -2.63,  -0.03,
12/14 05Z,  -0.20,  -1.93,  99.90,  -2.16,  -0.03,
12/14 06Z,  -0.20,  -1.78,  99.90,  -2.01,  -0.03,