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
#Unalaska, AK : 04/19/2026 08:21:11 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/17 12Z,  -0.30,   3.08,   2.71,  99.90,  -0.07,
04/17 13Z,  -0.30,   3.16,   2.82,  99.90,  -0.04,  (max)
04/17 14Z,  -0.30,   3.01,   2.62,  99.90,  -0.09,
04/17 15Z,  -0.30,   2.60,   2.13,  99.90,  -0.17,
04/17 16Z,  -0.30,   1.98,   1.54,  99.90,  -0.14,
04/17 17Z,  -0.30,   1.24,   0.95,  99.90,   0.01,
04/17 18Z,  -0.30,   0.51,   0.03,  99.90,  -0.18,
04/17 19Z,  -0.30,  -0.08,  -0.51,  99.90,  -0.13,
04/17 20Z,  -0.30,  -0.41,  -0.78,  99.90,  -0.07,
04/17 21Z,  -0.20,  -0.43,  -0.89,  99.90,  -0.26,  (min)
04/17 22Z,  -0.20,  -0.14,  -0.64,  99.90,  -0.30,
04/17 23Z,  -0.20,   0.38,  -0.10,  99.90,  -0.28,
04/18 00Z,  -0.10,   1.04,   0.57,  99.90,  -0.37,
04/18 01Z,  -0.10,   1.69,   1.07,  99.90,  -0.52,
04/18 02Z,  -0.10,   2.22,   1.62,  99.90,  -0.50,
04/18 03Z,  -0.20,   2.57,   1.99,  99.90,  -0.38,
04/18 04Z,  -0.20,   2.72,   2.23,  99.90,  -0.29,
04/18 05Z,  -0.10,   2.70,   2.28,  99.90,  -0.32,  (max)
04/18 06Z,   0.00,   2.58,   2.22,  99.90,  -0.36,
04/18 07Z,   0.00,   2.45,   2.21,  99.90,  -0.24,  (min)
04/18 08Z,   0.00,   2.39,   2.27,  99.90,  -0.12,
04/18 09Z,   0.00,   2.46,   2.27,  99.90,  -0.19,
04/18 10Z,   0.00,   2.64,   2.44,  99.90,  -0.20,
04/18 11Z,   0.10,   2.92,   2.69,  99.90,  -0.33,
04/18 12Z,   0.20,   3.19,   2.92,  99.90,  -0.47,
04/18 13Z,   0.20,   3.37,   3.25,  99.90,  -0.32,  (max)
04/18 14Z,   0.30,   3.35,   3.14,  99.90,  -0.51,
04/18 15Z,   0.30,   3.08,   2.94,  99.90,  -0.44,
04/18 16Z,   0.30,   2.56,   2.28,  99.90,  -0.58,
04/18 17Z,   0.30,   1.81,   1.76,  99.90,  -0.35,
04/18 18Z,   0.40,   0.96,   0.99,  99.90,  -0.37,
04/18 19Z,   0.50,   0.14,   0.07,  99.90,  -0.57,
04/18 20Z,   0.50,  -0.50,  -0.52,  99.90,  -0.52,
04/18 21Z,   0.50,  -0.86,  -0.76,  99.90,  -0.40,  (min)
04/18 22Z,   0.60,  -0.86,  -0.69,  99.90,  -0.43,
04/18 23Z,   0.70,  -0.52,  -0.44,  99.90,  -0.62,
04/19 00Z,   0.60,   0.09,   0.08,  99.90,  -0.61,
04/19 01Z,   0.60,   0.85,   0.97,  99.90,  -0.48,
04/19 02Z,   0.60,   1.62,   1.77,  99.90,  -0.45,
04/19 03Z,   0.70,   2.28,   2.42,  99.90,  -0.56,
04/19 04Z,   0.60,   2.74,   2.92,  99.90,  -0.42,
04/19 05Z,   0.60,   2.99,   3.16,  99.90,  -0.43,
04/19 06Z,   0.60,   3.03,   3.29,  99.90,  -0.34,  (max)
04/19 07Z,   0.70,   2.96,   3.28,  99.90,  -0.38,
04/19 08Z,   0.70,   2.85,   3.17,  99.90,  -0.38,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/19 09Z,   0.70,   2.78,  99.90,   3.12,  -0.36,  (min)
04/19 10Z,   0.70,   2.82,  99.90,   3.17,  -0.35,
04/19 11Z,   0.70,   2.97,  99.90,   3.34,  -0.34,
04/19 12Z,   0.60,   3.20,  99.90,   3.48,  -0.33,
04/19 13Z,   0.60,   3.43,  99.90,   3.72,  -0.31,
04/19 14Z,   0.50,   3.56,  99.90,   3.75,  -0.30,  (max)
04/19 15Z,   0.50,   3.48,  99.90,   3.70,  -0.29,
04/19 16Z,   0.50,   3.15,  99.90,   3.38,  -0.28,
04/19 17Z,   0.40,   2.55,  99.90,   2.69,  -0.26,
04/19 18Z,   0.40,   1.73,  99.90,   1.88,  -0.25,
04/19 19Z,   0.40,   0.80,  99.90,   0.96,  -0.24,
04/19 20Z,   0.40,  -0.09,  99.90,   0.09,  -0.23,
04/19 21Z,   0.30,  -0.79,  99.90,  -0.71,  -0.23,
04/19 22Z,   0.30,  -1.17,  99.90,  -1.10,  -0.23,
04/19 23Z,   0.30,  -1.17,  99.90,  -1.10,  -0.23,  (min)
04/20 00Z,   0.30,  -0.79,  99.90,  -0.72,  -0.23,
04/20 01Z,   0.40,  -0.11,  99.90,   0.06,  -0.23,
04/20 02Z,   0.30,   0.74,  99.90,   0.81,  -0.23,
04/20 03Z,   0.30,   1.61,  99.90,   1.68,  -0.23,
04/20 04Z,   0.30,   2.37,  99.90,   2.45,  -0.23,
04/20 05Z,   0.30,   2.93,  99.90,   3.00,  -0.23,
04/20 06Z,   0.30,   3.24,  99.90,   3.31,  -0.23,  (max)
04/20 07Z,   0.20,   3.33,  99.90,   3.30,  -0.23,
04/20 08Z,   0.20,   3.26,  99.90,   3.23,  -0.23,
04/20 09Z,   0.10,   3.12,  99.90,   3.00,  -0.23,
04/20 10Z,   0.10,   3.02,  99.90,   2.90,  -0.23,
04/20 11Z,   0.10,   3.02,  99.90,   2.89,  -0.23,  (min)
04/20 12Z,   0.00,   3.13,  99.90,   2.90,  -0.23,
04/20 13Z,   0.00,   3.33,  99.90,   3.10,  -0.23,
04/20 14Z,   0.00,   3.54,  99.90,   3.31,  -0.23,
04/20 15Z,   0.00,   3.65,  99.90,   3.42,  -0.23,  (max)
04/20 16Z,   0.00,   3.57,  99.90,   3.34,  -0.23,
04/20 17Z,   0.00,   3.23,  99.90,   3.00,  -0.23,
04/20 18Z,   0.00,   2.60,  99.90,   2.37,  -0.23,
04/20 19Z,   0.00,   1.74,  99.90,   1.51,  -0.23,
04/20 20Z,   0.00,   0.76,  99.90,   0.54,  -0.23,
04/20 21Z,   0.00,  -0.18,  99.90,  -0.41,  -0.23,
04/20 22Z,   0.00,  -0.93,  99.90,  -1.15,  -0.23,
04/20 23Z,   0.00,  -1.34,  99.90,  -1.57,  -0.23,
04/21 00Z,   0.00,  -1.35,  99.90,  -1.57,  -0.23,  (min)
04/21 01Z,   0.00,  -0.95,  99.90,  -1.18,  -0.23,
04/21 02Z,   0.00,  -0.22,  99.90,  -0.45,  -0.23,
04/21 03Z,   0.00,   0.70,  99.90,   0.47,  -0.23,
04/21 04Z,   0.00,   1.65,  99.90,   1.42,  -0.23,
04/21 05Z,   0.00,   2.49,  99.90,   2.26,  -0.23,
04/21 06Z,   0.00,   3.10,  99.90,   2.87,  -0.23,
04/21 07Z,  -0.10,   3.44,  99.90,   3.11,  -0.23,
04/21 08Z,  -0.10,   3.53,  99.90,   3.20,  -0.23,  (max)
04/21 09Z,  -0.10,   3.43,  99.90,   3.10,  -0.23,
04/21 10Z,   0.00,   3.25,  99.90,   3.03,  -0.23,
04/21 11Z,   0.00,   3.10,  99.90,   2.87,  -0.23,
04/21 12Z,   0.00,   3.04,  99.90,   2.81,  -0.23,  (min)
04/21 13Z,   0.00,   3.11,  99.90,   2.89,  -0.23,
04/21 14Z,   0.00,   3.30,  99.90,   3.07,  -0.23,
04/21 15Z,   0.00,   3.51,  99.90,   3.28,  -0.23,
04/21 16Z,   0.00,   3.65,  99.90,   3.42,  -0.23,
04/21 17Z,   0.10,   3.60,  99.90,   3.47,  -0.23,  (max)
04/21 18Z,   0.20,   3.28,  99.90,   3.26,  -0.23,
04/21 19Z,   0.20,   2.67,  99.90,   2.64,  -0.23,
04/21 20Z,   0.20,   1.81,  99.90,   1.78,  -0.23,
04/21 21Z,   0.20,   0.81,  99.90,   0.78,  -0.23,
04/21 22Z,   0.30,  -0.16,  99.90,  -0.09,  -0.23,
04/21 23Z,   0.30,  -0.94,  99.90,  -0.87,  -0.23,
04/22 00Z,   0.30,  -1.38,  99.90,  -1.30,  -0.23,  (min)
04/22 01Z,   0.40,  -1.39,  99.90,  -1.22,  -0.23,
04/22 02Z,   0.40,  -0.98,  99.90,  -0.81,  -0.23,
04/22 03Z,   0.50,  -0.22,  99.90,   0.05,  -0.23,
04/22 04Z,   0.60,   0.74,  99.90,   1.11,  -0.23,
04/22 05Z,   0.60,   1.74,  99.90,   2.11,  -0.23,
04/22 06Z,   0.60,   2.61,  99.90,   2.98,  -0.23,
04/22 07Z,   0.60,   3.24,  99.90,   3.61,  -0.23,
04/22 08Z,   0.60,   3.57,  99.90,   3.94,  -0.23,
04/22 09Z,   0.60,   3.62,  99.90,   4.00,  -0.23,  (max)
04/22 10Z,   0.70,   3.47,  99.90,   3.94,  -0.23,
04/22 11Z,   0.70,   3.22,  99.90,   3.69,  -0.23,
04/22 12Z,   0.70,   3.00,  99.90,   3.47,  -0.23,
04/22 13Z,   0.70,   2.89,  99.90,   3.36,  -0.23,  (min)
04/22 14Z,   0.70,   2.94,  99.90,   3.41,  -0.23,
04/22 15Z,   0.70,   3.12,  99.90,   3.59,  -0.23,
04/22 16Z,   0.70,   3.36,  99.90,   3.84,  -0.23,
04/22 17Z,   0.70,   3.55,  99.90,   4.02,  -0.23,
04/22 18Z,   0.80,   3.56,  99.90,   4.13,  -0.23,  (max)
04/22 19Z,   0.80,   3.30,  99.90,   3.87,  -0.23,
04/22 20Z,   0.80,   2.73,  99.90,   3.30,  -0.23,
04/22 21Z,   0.80,   1.89,  99.90,   2.47,  -0.23,
04/22 22Z,   0.80,   0.91,  99.90,   1.48,  -0.23,
04/22 23Z,   0.80,  -0.06,  99.90,   0.51,  -0.23,
04/23 00Z,   0.80,  -0.84,  99.90,  -0.27,  -0.23,