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
#Kodiak Island, AK : 04/16/2026 14:20:28 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 18Z,  -0.50,   0.59,   0.03,  99.90,  -0.06,
04/14 19Z,  -0.50,   2.02,   1.38,  99.90,  -0.14,
04/14 20Z,  -0.50,   2.88,   2.35,  99.90,  -0.03,
04/14 21Z,  -0.50,   2.97,   2.44,  99.90,  -0.03,  (max)
04/14 22Z,  -0.50,   2.29,   1.68,  99.90,  -0.11,
04/14 23Z,  -0.50,   0.94,   0.25,  99.90,  -0.19,
04/15 00Z,  -0.50,  -0.83,  -1.44,  99.90,  -0.11,
04/15 01Z,  -0.50,  -2.55,  -3.05,  99.90,  -0.00,
04/15 02Z,  -0.50,  -3.71,  -4.45,  99.90,  -0.24,
04/15 03Z,  -0.50,  -4.00,  -4.74,  99.90,  -0.24,  (min)
04/15 04Z,  -0.50,  -3.40,  -4.00,  99.90,  -0.10,
04/15 05Z,  -0.40,  -2.05,  -2.74,  99.90,  -0.29,
04/15 06Z,  -0.40,  -0.22,  -0.87,  99.90,  -0.25,
04/15 07Z,  -0.40,   1.64,   0.95,  99.90,  -0.29,
04/15 08Z,  -0.40,   3.03,   2.46,  99.90,  -0.17,
04/15 09Z,  -0.40,   3.59,   3.08,  99.90,  -0.11,  (max)
04/15 10Z,  -0.30,   3.25,   2.66,  99.90,  -0.29,
04/15 11Z,  -0.30,   2.09,   1.55,  99.90,  -0.24,
04/15 12Z,  -0.30,   0.30,  -0.20,  99.90,  -0.20,
04/15 13Z,  -0.30,  -1.68,  -2.06,  99.90,  -0.08,
04/15 14Z,  -0.40,  -3.29,  -3.79,  99.90,  -0.10,
04/15 15Z,  -0.40,  -4.06,  -4.58,  99.90,  -0.12,  (min)
04/15 16Z,  -0.40,  -3.86,  -4.24,  99.90,   0.02,
04/15 17Z,  -0.40,  -2.79,  -3.30,  99.90,  -0.11,
04/15 18Z,  -0.40,  -1.09,  -1.70,  99.90,  -0.21,
04/15 19Z,  -0.40,   0.83,   0.30,  99.90,  -0.13,
04/15 20Z,  -0.40,   2.44,   1.83,  99.90,  -0.21,
04/15 21Z,  -0.50,   3.31,   2.64,  99.90,  -0.17,  (max)
04/15 22Z,  -0.40,   3.25,   2.46,  99.90,  -0.39,
04/15 23Z,  -0.40,   2.32,   1.57,  99.90,  -0.35,
04/16 00Z,  -0.40,   0.68,   0.04,  99.90,  -0.24,
04/16 01Z,  -0.40,  -1.29,  -1.83,  99.90,  -0.14,
04/16 02Z,  -0.50,  -3.02,  -3.68,  99.90,  -0.16,
04/16 03Z,  -0.50,  -3.97,  -4.76,  99.90,  -0.29,  (min)
04/16 04Z,  -0.50,  -3.87,  -4.43,  99.90,  -0.06,
04/16 05Z,  -0.50,  -2.81,  -3.33,  99.90,  -0.02,
04/16 06Z,  -0.50,  -1.01,  -1.74,  99.90,  -0.23,
04/16 07Z,  -0.50,   1.13,   0.34,  99.90,  -0.29,
04/16 08Z,  -0.50,   3.06,   2.49,  99.90,  -0.07,
04/16 09Z,  -0.50,   4.25,   3.74,  99.90,  -0.01,  (max)
04/16 10Z,  -0.50,   4.40,   3.68,  99.90,  -0.22,
04/16 11Z,  -0.50,   3.50,   2.93,  99.90,  -0.07,
04/16 12Z,  -0.50,   1.71,   1.29,  99.90,   0.08,
04/16 13Z,  -0.50,  -0.61,  -1.21,  99.90,  -0.10,
04/16 14Z,  -0.60,  -2.93,  -3.55,  99.90,  -0.02,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/16 15Z,  -0.60,  -4.57,  99.90,  -5.20,  -0.02,
04/16 16Z,  -0.60,  -5.13,  99.90,  -5.76,  -0.02,  (min)
04/16 17Z,  -0.60,  -4.55,  99.90,  -5.18,  -0.03,
04/16 18Z,  -0.60,  -3.05,  99.90,  -3.67,  -0.03,
04/16 19Z,  -0.60,  -0.96,  99.90,  -1.59,  -0.03,
04/16 20Z,  -0.50,   1.20,  99.90,   0.68,  -0.03,
04/16 21Z,  -0.50,   2.86,  99.90,   2.34,  -0.03,
04/16 22Z,  -0.50,   3.60,  99.90,   3.08,  -0.03,  (max)
04/16 23Z,  -0.40,   3.31,  99.90,   2.89,  -0.03,
04/17 00Z,  -0.40,   2.11,  99.90,   1.68,  -0.03,
04/17 01Z,  -0.40,   0.26,  99.90,  -0.17,  -0.03,
04/17 02Z,  -0.40,  -1.78,  99.90,  -2.21,  -0.03,
04/17 03Z,  -0.50,  -3.35,  99.90,  -3.89,  -0.03,
04/17 04Z,  -0.50,  -3.94,  99.90,  -4.47,  -0.03,  (min)
04/17 05Z,  -0.50,  -3.38,  99.90,  -3.91,  -0.03,
04/17 06Z,  -0.50,  -1.85,  99.90,  -2.38,  -0.03,
04/17 07Z,  -0.60,   0.30,  99.90,  -0.33,  -0.03,
04/17 08Z,  -0.60,   2.58,  99.90,   1.95,  -0.03,
04/17 09Z,  -0.60,   4.39,  99.90,   3.76,  -0.03,
04/17 10Z,  -0.60,   5.21,  99.90,   4.58,  -0.03,  (max)
04/17 11Z,  -0.60,   4.83,  99.90,   4.20,  -0.03,
04/17 12Z,  -0.60,   3.33,  99.90,   2.70,  -0.03,
04/17 13Z,  -0.60,   1.00,  99.90,   0.37,  -0.03,
04/17 14Z,  -0.60,  -1.72,  99.90,  -2.35,  -0.03,
04/17 15Z,  -0.60,  -4.16,  99.90,  -4.79,  -0.03,
04/17 16Z,  -0.60,  -5.66,  99.90,  -6.29,  -0.03,
04/17 17Z,  -0.70,  -5.88,  99.90,  -6.61,  -0.03,  (min)
04/17 18Z,  -0.70,  -4.90,  99.90,  -5.63,  -0.03,
04/17 19Z,  -0.70,  -3.01,  99.90,  -3.74,  -0.03,
04/17 20Z,  -0.70,  -0.66,  99.90,  -1.39,  -0.03,
04/17 21Z,  -0.70,   1.58,  99.90,   0.85,  -0.03,
04/17 22Z,  -0.70,   3.14,  99.90,   2.41,  -0.03,
04/17 23Z,  -0.70,   3.66,  99.90,   2.93,  -0.03,  (max)
04/18 00Z,  -0.70,   3.12,  99.90,   2.39,  -0.03,
04/18 01Z,  -0.70,   1.70,  99.90,   0.97,  -0.03,
04/18 02Z,  -0.60,  -0.25,  99.90,  -0.88,  -0.03,
04/18 03Z,  -0.60,  -2.18,  99.90,  -2.82,  -0.03,
04/18 04Z,  -0.60,  -3.45,  99.90,  -4.08,  -0.03,
04/18 05Z,  -0.60,  -3.59,  99.90,  -4.22,  -0.03,  (min)
04/18 06Z,  -0.60,  -2.57,  99.90,  -3.20,  -0.03,
04/18 07Z,  -0.60,  -0.68,  99.90,  -1.31,  -0.03,
04/18 08Z,  -0.60,   1.65,  99.90,   1.02,  -0.03,
04/18 09Z,  -0.60,   3.88,  99.90,   3.25,  -0.03,
04/18 10Z,  -0.60,   5.40,  99.90,   4.76,  -0.03,
04/18 11Z,  -0.60,   5.75,  99.90,   5.12,  -0.03,  (max)
04/18 12Z,  -0.60,   4.83,  99.90,   4.20,  -0.03,
04/18 13Z,  -0.50,   2.83,  99.90,   2.30,  -0.03,
04/18 14Z,  -0.60,   0.11,  99.90,  -0.52,  -0.03,
04/18 15Z,  -0.60,  -2.79,  99.90,  -3.42,  -0.03,
04/18 16Z,  -0.60,  -5.15,  99.90,  -5.78,  -0.03,
04/18 17Z,  -0.60,  -6.37,  99.90,  -7.00,  -0.03,  (min)
04/18 18Z,  -0.60,  -6.21,  99.90,  -6.84,  -0.03,
04/18 19Z,  -0.60,  -4.88,  99.90,  -5.51,  -0.03,
04/18 20Z,  -0.60,  -2.76,  99.90,  -3.39,  -0.03,
04/18 21Z,  -0.60,  -0.33,  99.90,  -0.96,  -0.03,
04/18 22Z,  -0.50,   1.82,  99.90,   1.29,  -0.03,
04/18 23Z,  -0.50,   3.17,  99.90,   2.64,  -0.03,
04/19 00Z,  -0.50,   3.44,  99.90,   2.91,  -0.03,  (max)
04/19 01Z,  -0.40,   2.69,  99.90,   2.26,  -0.03,
04/19 02Z,  -0.40,   1.17,  99.90,   0.74,  -0.03,
04/19 03Z,  -0.40,  -0.72,  99.90,  -1.15,  -0.03,
04/19 04Z,  -0.40,  -2.41,  99.90,  -2.84,  -0.03,
04/19 05Z,  -0.40,  -3.27,  99.90,  -3.70,  -0.03,  (min)
04/19 06Z,  -0.30,  -2.96,  99.90,  -3.29,  -0.03,
04/19 07Z,  -0.30,  -1.59,  99.90,  -1.92,  -0.03,
04/19 08Z,  -0.20,   0.50,  99.90,   0.27,  -0.03,
04/19 09Z,  -0.20,   2.81,  99.90,   2.58,  -0.03,
04/19 10Z,  -0.10,   4.82,  99.90,   4.69,  -0.03,
04/19 11Z,  -0.10,   5.94,  99.90,   5.81,  -0.03,  (max)
04/19 12Z,  -0.10,   5.82,  99.90,   5.69,  -0.03,
04/19 13Z,  -0.20,   4.46,  99.90,   4.23,  -0.03,
04/19 14Z,  -0.20,   2.13,  99.90,   1.89,  -0.03,
04/19 15Z,  -0.30,  -0.76,  99.90,  -1.09,  -0.03,
04/19 16Z,  -0.30,  -3.61,  99.90,  -3.94,  -0.03,
04/19 17Z,  -0.30,  -5.73,  99.90,  -6.06,  -0.03,
04/19 18Z,  -0.20,  -6.60,  99.90,  -6.83,  -0.03,  (min)
04/19 19Z,  -0.20,  -6.13,  99.90,  -6.36,  -0.03,
04/19 20Z,  -0.10,  -4.59,  99.90,  -4.72,  -0.03,
04/19 21Z,   0.00,  -2.42,  99.90,  -2.45,  -0.03,
04/19 22Z,   0.00,  -0.09,  99.90,  -0.12,  -0.03,
04/19 23Z,   0.00,   1.84,  99.90,   1.81,  -0.03,
04/20 00Z,   0.00,   2.92,  99.90,   2.89,  -0.03,
04/20 01Z,   0.00,   2.97,  99.90,   2.94,  -0.03,  (max)
04/20 02Z,   0.00,   2.12,  99.90,   2.09,  -0.03,
04/20 03Z,  -0.10,   0.64,  99.90,   0.51,  -0.03,
04/20 04Z,  -0.10,  -1.05,  99.90,  -1.18,  -0.03,
04/20 05Z,  -0.10,  -2.39,  99.90,  -2.52,  -0.03,
04/20 06Z,  -0.10,  -2.84,  99.90,  -2.97,  -0.03,