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
#Atka, AK : 02/17/2026 06:22:48 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/15 12Z,  -0.90,  -3.58,  -4.80,  99.90,  -0.32,
02/15 13Z,  -0.90,  -3.10,  -4.31,  99.90,  -0.31,
02/15 14Z,  -0.80,  -2.68,  -3.71,  99.90,  -0.23,
02/15 15Z,  -0.80,  -2.34,  -3.25,  99.90,  -0.11,
02/15 16Z,  -0.80,  -2.06,  -2.94,  99.90,  -0.08,
02/15 17Z,  -0.80,  -1.81,  -2.57,  99.90,   0.04,
02/15 18Z,  -0.70,  -1.60,  -2.28,  99.90,   0.02,
02/15 19Z,  -0.60,  -1.38,  -1.95,  99.90,   0.03,
02/15 20Z,  -0.60,  -1.18,  -1.80,  99.90,  -0.02,
02/15 21Z,  -0.60,  -1.07,  -1.69,  99.90,  -0.02,
02/15 22Z,  -0.70,  -1.09,  -1.52,  99.90,   0.27,
02/15 23Z,  -0.60,  -1.26,  -1.46,  99.90,   0.40,  (max)
02/16 00Z,  -0.50,  -1.57,  -1.57,  99.90,   0.50,
02/16 01Z,  -0.50,  -2.00,  -1.97,  99.90,   0.53,
02/16 02Z,  -0.60,  -2.52,  -2.36,  99.90,   0.76,
02/16 03Z,  -0.50,  -3.14,  -2.91,  99.90,   0.73,
02/16 04Z,  -0.40,  -3.78,  -3.55,  99.90,   0.63,
02/16 05Z,  -0.30,  -4.34,  -4.18,  99.90,   0.46,
02/16 06Z,  -0.40,  -4.77,  -4.77,  99.90,   0.40,
02/16 07Z,  -0.30,  -5.02,  -5.20,  99.90,   0.12,
02/16 08Z,  -0.20,  -5.03,  -5.37,  99.90,  -0.14,  (min)
02/16 09Z,  -0.20,  -4.87,  -5.34,  99.90,  -0.27,
02/16 10Z,  -0.10,  -4.59,  -5.22,  99.90,  -0.53,
02/16 11Z,  -0.10,  -4.22,  -4.91,  99.90,  -0.59,
02/16 12Z,  -0.30,  -3.81,  -4.47,  99.90,  -0.36,
02/16 13Z,  -0.30,  -3.36,  -4.00,  99.90,  -0.34,
02/16 14Z,  -0.20,  -2.92,  -3.60,  99.90,  -0.48,
02/16 15Z,  -0.30,  -2.55,  -3.07,  99.90,  -0.22,
02/16 16Z,  -0.40,  -2.27,  -2.77,  99.90,  -0.10,
02/16 17Z,  -0.40,  -2.02,  -2.46,  99.90,  -0.04,
02/16 18Z,  -0.40,  -1.81,  -2.16,  99.90,   0.05,
02/16 19Z,  -0.50,  -1.62,  -1.93,  99.90,   0.19,
02/16 20Z,  -0.50,  -1.44,  -1.73,  99.90,   0.21,
02/16 21Z,  -0.50,  -1.29,  -1.56,  99.90,   0.23,
02/16 22Z,  -0.50,  -1.26,  -1.48,  99.90,   0.28,
02/16 23Z,  -0.60,  -1.34,  -1.32,  99.90,   0.62,  (max)
02/17 00Z,  -0.50,  -1.54,  -1.39,  99.90,   0.65,
02/17 01Z,  -0.50,  -1.86,  -1.67,  99.90,   0.69,
02/17 02Z,  -0.50,  -2.27,  -2.05,  99.90,   0.72,
02/17 03Z,  -0.60,  -2.77,  -2.63,  99.90,   0.74,
02/17 04Z,  -0.60,  -3.34,  -3.13,  99.90,   0.81,
02/17 05Z,  -0.60,  -3.89,  -3.75,  99.90,   0.74,
02/17 06Z,  -0.60,  -4.35,  -4.33,  99.90,   0.62,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
02/17 07Z,  -0.60,  -4.68,  99.90,  -4.69,   0.58,
02/17 08Z,  -0.60,  -4.81,  99.90,  -4.87,   0.55,  (min)
02/17 09Z,  -0.60,  -4.75,  99.90,  -4.84,   0.51,
02/17 10Z,  -0.60,  -4.56,  99.90,  -4.68,   0.48,
02/17 11Z,  -0.60,  -4.27,  99.90,  -4.43,   0.44,
02/17 12Z,  -0.50,  -3.89,  99.90,  -3.99,   0.41,
02/17 13Z,  -0.50,  -3.49,  99.90,  -3.62,   0.37,
02/17 14Z,  -0.50,  -3.09,  99.90,  -3.26,   0.33,
02/17 15Z,  -0.50,  -2.72,  99.90,  -2.93,   0.30,
02/17 16Z,  -0.50,  -2.44,  99.90,  -2.68,   0.26,
02/17 17Z,  -0.40,  -2.23,  99.90,  -2.40,   0.23,
02/17 18Z,  -0.40,  -2.06,  99.90,  -2.27,   0.19,
02/17 19Z,  -0.50,  -1.92,  99.90,  -2.23,   0.19,
02/17 20Z,  -0.50,  -1.80,  99.90,  -2.11,   0.19,
02/17 21Z,  -0.50,  -1.67,  99.90,  -1.98,   0.19,
02/17 22Z,  -0.50,  -1.60,  99.90,  -1.91,   0.19,  (max)
02/17 23Z,  -0.50,  -1.61,  99.90,  -1.92,   0.19,
02/18 00Z,  -0.50,  -1.70,  99.90,  -2.01,   0.19,
02/18 01Z,  -0.50,  -1.88,  99.90,  -2.19,   0.19,
02/18 02Z,  -0.50,  -2.17,  99.90,  -2.48,   0.19,
02/18 03Z,  -0.40,  -2.53,  99.90,  -2.74,   0.19,
02/18 04Z,  -0.40,  -2.96,  99.90,  -3.17,   0.19,
02/18 05Z,  -0.50,  -3.43,  99.90,  -3.74,   0.19,
02/18 06Z,  -0.50,  -3.87,  99.90,  -4.18,   0.19,
02/18 07Z,  -0.50,  -4.22,  99.90,  -4.53,   0.19,
02/18 08Z,  -0.60,  -4.44,  99.90,  -4.85,   0.19,
02/18 09Z,  -0.60,  -4.48,  99.90,  -4.89,   0.19,  (min)
02/18 10Z,  -0.60,  -4.37,  99.90,  -4.78,   0.19,
02/18 11Z,  -0.70,  -4.15,  99.90,  -4.66,   0.19,
02/18 12Z,  -0.70,  -3.84,  99.90,  -4.35,   0.19,
02/18 13Z,  -0.70,  -3.47,  99.90,  -3.98,   0.19,
02/18 14Z,  -0.70,  -3.12,  99.90,  -3.63,   0.19,
02/18 15Z,  -0.70,  -2.81,  99.90,  -3.32,   0.19,
02/18 16Z,  -0.70,  -2.55,  99.90,  -3.06,   0.19,
02/18 17Z,  -0.70,  -2.38,  99.90,  -2.89,   0.19,  (max)
02/18 18Z,  -0.80,  -2.29,  99.90,  -2.90,   0.19,  (min)
02/18 19Z,  -0.80,  -2.23,  99.90,  -2.84,   0.19,
02/18 20Z,  -0.80,  -2.20,  99.90,  -2.81,   0.19,
02/18 21Z,  -0.80,  -2.16,  99.90,  -2.77,   0.19,  (max)
02/18 22Z,  -0.90,  -2.11,  99.90,  -2.82,   0.19,  (min)
02/18 23Z,  -0.90,  -2.09,  99.90,  -2.79,   0.19,  (max)
02/19 00Z,  -0.90,  -2.09,  99.90,  -2.80,   0.19,
02/19 01Z,  -0.90,  -2.13,  99.90,  -2.84,   0.19,
02/19 02Z,  -0.90,  -2.25,  99.90,  -2.96,   0.19,
02/19 03Z,  -0.90,  -2.46,  99.90,  -3.16,   0.19,
02/19 04Z,  -0.90,  -2.71,  99.90,  -3.42,   0.19,
02/19 05Z,  -0.90,  -3.03,  99.90,  -3.74,   0.19,
02/19 06Z,  -0.90,  -3.39,  99.90,  -4.10,   0.19,
02/19 07Z,  -0.90,  -3.71,  99.90,  -4.42,   0.19,
02/19 08Z,  -0.90,  -3.94,  99.90,  -4.65,   0.19,
02/19 09Z,  -1.00,  -4.06,  99.90,  -4.87,   0.19,  (min)
02/19 10Z,  -1.00,  -4.04,  99.90,  -4.85,   0.19,
02/19 11Z,  -0.90,  -3.89,  99.90,  -4.60,   0.19,
02/19 12Z,  -1.00,  -3.64,  99.90,  -4.45,   0.19,
02/19 13Z,  -0.90,  -3.32,  99.90,  -4.03,   0.19,
02/19 14Z,  -0.90,  -3.00,  99.90,  -3.71,   0.19,
02/19 15Z,  -0.90,  -2.74,  99.90,  -3.45,   0.19,
02/19 16Z,  -0.90,  -2.54,  99.90,  -3.25,   0.19,
02/19 17Z,  -0.90,  -2.42,  99.90,  -3.13,   0.19,
02/19 18Z,  -0.90,  -2.41,  99.90,  -3.12,   0.19,  (max)
02/19 19Z,  -1.00,  -2.48,  99.90,  -3.29,   0.19,  (min)
02/19 20Z,  -0.90,  -2.56,  99.90,  -3.27,   0.19,  (max)
02/19 21Z,  -1.00,  -2.66,  99.90,  -3.47,   0.19,
02/19 22Z,  -1.00,  -2.72,  99.90,  -3.53,   0.19,
02/19 23Z,  -1.00,  -2.73,  99.90,  -3.53,   0.19,  (min)
02/20 00Z,  -1.00,  -2.69,  99.90,  -3.50,   0.19,
02/20 01Z,  -1.00,  -2.62,  99.90,  -3.43,   0.19,
02/20 02Z,  -1.00,  -2.58,  99.90,  -3.38,   0.19,  (max)
02/20 03Z,  -1.00,  -2.59,  99.90,  -3.40,   0.19,  (min)
02/20 04Z,  -0.90,  -2.67,  99.90,  -3.37,   0.19,  (max)
02/20 05Z,  -0.90,  -2.78,  99.90,  -3.49,   0.19,
02/20 06Z,  -1.00,  -2.97,  99.90,  -3.78,   0.19,
02/20 07Z,  -1.00,  -3.20,  99.90,  -4.01,   0.19,
02/20 08Z,  -0.90,  -3.40,  99.90,  -4.11,   0.19,
02/20 09Z,  -1.00,  -3.54,  99.90,  -4.35,   0.19,
02/20 10Z,  -1.00,  -3.60,  99.90,  -4.41,   0.19,  (min)
02/20 11Z,  -1.00,  -3.53,  99.90,  -4.34,   0.19,
02/20 12Z,  -1.00,  -3.33,  99.90,  -4.14,   0.19,
02/20 13Z,  -1.10,  -3.06,  99.90,  -3.97,   0.19,
02/20 14Z,  -1.00,  -2.77,  99.90,  -3.58,   0.19,
02/20 15Z,  -1.10,  -2.53,  99.90,  -3.44,   0.19,
02/20 16Z,  -1.10,  -2.38,  99.90,  -3.29,   0.19,
02/20 17Z,  -1.10,  -2.31,  99.90,  -3.22,   0.19,  (max)
02/20 18Z,  -1.10,  -2.36,  99.90,  -3.27,   0.19,
02/20 19Z,  -1.10,  -2.55,  99.90,  -3.46,   0.19,
02/20 20Z,  -1.00,  -2.79,  99.90,  -3.60,   0.19,
02/20 21Z,  -1.00,  -3.04,  99.90,  -3.85,   0.19,
02/20 22Z,  -1.00,  -3.28,  99.90,  -4.09,   0.19,
02/20 23Z,  -1.00,  -3.42,  99.90,  -4.23,   0.19,
02/21 00Z,  -1.00,  -3.43,  99.90,  -4.23,   0.19,