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
#Alitak, AK : 03/17/2026 15:21:55 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/16 00Z,  -0.60,  -9.70, -10.09,  99.90,   0.21,
03/16 01Z,  -0.60, -12.06, -12.29,  99.90,   0.37,
03/16 02Z,  -0.50, -13.89, -14.06,  99.90,   0.33,
03/16 03Z,  -0.50, -14.82, -14.94,  99.90,   0.38,  (min)
03/16 04Z,  -0.40, -14.68, -14.74,  99.90,   0.34,
03/16 05Z,  -0.30, -13.41, -13.60,  99.90,   0.11,
03/16 06Z,  -0.30, -11.22, -11.53,  99.90,  -0.01,
03/16 07Z,  -0.20,  -8.71,  -9.05,  99.90,  -0.14,
03/16 08Z,  -0.10,  -6.61,  -6.79,  99.90,  -0.08,
03/16 09Z,   0.00,  -5.37,  -5.69,  99.90,  -0.32,
03/16 10Z,   0.00,  -5.17,  -5.47,  99.90,  -0.30,  (max)
03/16 11Z,   0.00,  -6.01,  -6.25,  99.90,  -0.24,
03/16 12Z,  -0.10,  -7.60,  -7.60,  99.90,   0.10,
03/16 13Z,  -0.10,  -9.44,  -9.37,  99.90,   0.17,
03/16 14Z,   0.00, -11.00, -11.00,  99.90,  -0.00,
03/16 15Z,   0.00, -11.84, -11.90,  99.90,  -0.06,
03/16 16Z,   0.00, -11.79, -11.94,  99.90,  -0.15,  (min)
03/16 17Z,   0.00, -10.82, -10.87,  99.90,  -0.05,
03/16 18Z,   0.00,  -9.00,  -9.24,  99.90,  -0.24,
03/16 19Z,   0.10,  -6.77,  -7.23,  99.90,  -0.56,
03/16 20Z,   0.10,  -4.88,  -5.13,  99.90,  -0.35,
03/16 21Z,   0.10,  -3.90,  -4.10,  99.90,  -0.30,  (max)
03/16 22Z,   0.10,  -4.08,  -4.43,  99.90,  -0.45,
03/16 23Z,   0.10,  -5.46,  -5.66,  99.90,  -0.30,
03/17 00Z,   0.20,  -7.82,  -7.83,  99.90,  -0.21,
03/17 01Z,   0.20, -10.62, -10.43,  99.90,  -0.01,
03/17 02Z,   0.20, -13.20, -13.04,  99.90,  -0.04,
03/17 03Z,   0.10, -14.96, -14.91,  99.90,  -0.05,
03/17 04Z,   0.10, -15.51, -15.51,  99.90,  -0.10,  (min)
03/17 05Z,   0.10, -14.75, -14.69,  99.90,  -0.04,
03/17 06Z,   0.20, -12.76, -13.18,  99.90,  -0.62,
03/17 07Z,   0.30,  -9.89, -10.46,  99.90,  -0.87,
03/17 08Z,   0.30,  -7.00,  -7.23,  99.90,  -0.53,
03/17 09Z,   0.30,  -4.92,  -4.98,  99.90,  -0.36,
03/17 10Z,   0.20,  -4.08,  -4.11,  99.90,  -0.23,  (max)
03/17 11Z,   0.10,  -4.56,  -4.63,  99.90,  -0.17,
03/17 12Z,   0.10,  -6.20,  -6.09,  99.90,   0.01,
03/17 13Z,   0.10,  -8.51,  -8.26,  99.90,   0.15,
03/17 14Z,   0.10, -10.84, -10.63,  99.90,   0.11,
03/17 15Z,   0.20, -12.57, -12.40,  99.90,  -0.03,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/17 16Z,   0.20, -13.26,  99.90, -13.08,  -0.02,  (min)
03/17 17Z,   0.10, -12.77,  99.90, -12.69,  -0.02,
03/17 18Z,   0.10, -11.15,  99.90, -11.07,  -0.01,
03/17 19Z,   0.10,  -8.62,  99.90,  -8.53,  -0.01,
03/17 20Z,   0.00,  -5.87,  99.90,  -5.88,  -0.00,
03/17 21Z,   0.00,  -3.83,  99.90,  -3.83,   0.00,
03/17 22Z,   0.00,  -3.07,  99.90,  -3.07,   0.01,  (max)
03/17 23Z,   0.00,  -3.77,  99.90,  -3.76,   0.01,
03/18 00Z,   0.00,  -5.78,  99.90,  -5.77,   0.02,
03/18 01Z,   0.00,  -8.68,  99.90,  -8.65,   0.02,
03/18 02Z,   0.00, -11.76,  99.90, -11.73,   0.03,
03/18 03Z,   0.00, -14.29,  99.90, -14.26,   0.03,
03/18 04Z,   0.00, -15.67,  99.90, -15.63,   0.03,  (min)
03/18 05Z,   0.00, -15.60,  99.90, -15.57,   0.03,
03/18 06Z,   0.00, -14.10,  99.90, -14.06,   0.03,
03/18 07Z,   0.00, -11.35,  99.90, -11.32,   0.03,
03/18 08Z,  -0.10,  -7.97,  99.90,  -8.04,   0.03,
03/18 09Z,  -0.10,  -5.01,  99.90,  -5.08,   0.03,
03/18 10Z,  -0.10,  -3.31,  99.90,  -3.38,   0.03,
03/18 11Z,  -0.10,  -3.18,  99.90,  -3.25,   0.03,  (max)
03/18 12Z,  -0.10,  -4.54,  99.90,  -4.61,   0.03,
03/18 13Z,  -0.10,  -7.00,  99.90,  -7.07,   0.03,
03/18 14Z,  -0.20,  -9.91,  99.90, -10.08,   0.03,
03/18 15Z,  -0.20, -12.51,  99.90, -12.67,   0.03,
03/18 16Z,  -0.20, -14.15,  99.90, -14.32,   0.03,
03/18 17Z,  -0.20, -14.46,  99.90, -14.63,   0.03,  (min)
03/18 18Z,  -0.20, -13.38,  99.90, -13.55,   0.03,
03/18 19Z,  -0.20, -11.04,  99.90, -11.21,   0.03,
03/18 20Z,  -0.10,  -7.89,  99.90,  -7.96,   0.03,
03/18 21Z,   0.00,  -4.85,  99.90,  -4.82,   0.03,
03/18 22Z,   0.00,  -2.95,  99.90,  -2.92,   0.03,
03/18 23Z,   0.00,  -2.66,  99.90,  -2.63,   0.03,  (max)
03/19 00Z,   0.00,  -3.97,  99.90,  -3.94,   0.03,
03/19 01Z,   0.10,  -6.55,  99.90,  -6.42,   0.03,
03/19 02Z,   0.10,  -9.77,  99.90,  -9.64,   0.03,
03/19 03Z,   0.00, -12.83,  99.90, -12.80,   0.03,
03/19 04Z,   0.00, -15.01,  99.90, -14.98,   0.03,
03/19 05Z,   0.00, -15.77,  99.90, -15.74,   0.03,  (min)
03/19 06Z,   0.00, -14.96,  99.90, -14.93,   0.03,
03/19 07Z,   0.00, -12.69,  99.90, -12.65,   0.03,
03/19 08Z,   0.00,  -9.34,  99.90,  -9.31,   0.03,
03/19 09Z,   0.10,  -5.78,  99.90,  -5.64,   0.03,
03/19 10Z,   0.10,  -3.13,  99.90,  -3.00,   0.03,
03/19 11Z,   0.10,  -2.15,  99.90,  -2.02,   0.03,  (max)
03/19 12Z,   0.10,  -2.93,  99.90,  -2.80,   0.03,
03/19 13Z,   0.10,  -5.18,  99.90,  -5.05,   0.03,
03/19 14Z,   0.10,  -8.31,  99.90,  -8.18,   0.03,
03/19 15Z,   0.10, -11.56,  99.90, -11.43,   0.03,
03/19 16Z,   0.00, -14.15,  99.90, -14.11,   0.03,
03/19 17Z,   0.00, -15.48,  99.90, -15.45,   0.03,  (min)
03/19 18Z,  -0.10, -15.25,  99.90, -15.32,   0.03,
03/19 19Z,  -0.10, -13.51,  99.90, -13.58,   0.03,
03/19 20Z,   0.00, -10.53,  99.90, -10.50,   0.03,
03/19 21Z,   0.00,  -6.99,  99.90,  -6.96,   0.03,
03/19 22Z,   0.00,  -3.99,  99.90,  -3.96,   0.03,
03/19 23Z,   0.10,  -2.49,  99.90,  -2.36,   0.03,  (max)
03/20 00Z,   0.10,  -2.79,  99.90,  -2.66,   0.03,
03/20 01Z,   0.10,  -4.67,  99.90,  -4.54,   0.03,
03/20 02Z,   0.00,  -7.61,  99.90,  -7.57,   0.03,
03/20 03Z,   0.00, -10.84,  99.90, -10.81,   0.03,
03/20 04Z,   0.00, -13.57,  99.90, -13.54,   0.03,
03/20 05Z,  -0.10, -15.15,  99.90, -15.22,   0.03,  (min)
03/20 06Z,   0.00, -15.17,  99.90, -15.14,   0.03,
03/20 07Z,   0.00, -13.60,  99.90, -13.57,   0.03,
03/20 08Z,   0.00, -10.71,  99.90, -10.68,   0.03,
03/20 09Z,   0.00,  -7.08,  99.90,  -7.05,   0.03,
03/20 10Z,   0.00,  -3.73,  99.90,  -3.70,   0.03,
03/20 11Z,   0.00,  -1.76,  99.90,  -1.72,   0.03,  (max)
03/20 12Z,  -0.10,  -1.68,  99.90,  -1.75,   0.03,
03/20 13Z,  -0.10,  -3.38,  99.90,  -3.45,   0.03,
03/20 14Z,  -0.20,  -6.35,  99.90,  -6.51,   0.03,
03/20 15Z,  -0.30,  -9.87,  99.90, -10.14,   0.03,
03/20 16Z,  -0.40, -13.15,  99.90, -13.52,   0.03,
03/20 17Z,  -0.40, -15.48,  99.90, -15.85,   0.03,
03/20 18Z,  -0.40, -16.33,  99.90, -16.70,   0.03,  (min)
03/20 19Z,  -0.40, -15.52,  99.90, -15.89,   0.03,
03/20 20Z,  -0.40, -13.19,  99.90, -13.56,   0.03,
03/20 21Z,  -0.40,  -9.81,  99.90, -10.17,   0.03,
03/20 22Z,  -0.40,  -6.21,  99.90,  -6.57,   0.03,
03/20 23Z,  -0.40,  -3.54,  99.90,  -3.91,   0.03,
03/21 00Z,  -0.50,  -2.60,  99.90,  -3.07,   0.03,  (max)
03/21 01Z,  -0.50,  -3.47,  99.90,  -3.94,   0.03,
03/21 02Z,  -0.50,  -5.72,  99.90,  -6.19,   0.03,
03/21 03Z,  -0.50,  -8.69,  99.90,  -9.16,   0.03,
03/21 04Z,  -0.50, -11.62,  99.90, -12.09,   0.03,
03/21 05Z,  -0.50, -13.79,  99.90, -14.26,   0.03,
03/21 06Z,  -0.50, -14.64,  99.90, -15.11,   0.03,
03/21 07Z,  99.90, -13.92,  99.90,  99.90,   0.03,
03/21 08Z,  99.90, -11.74,  99.90,  99.90,   0.03,
03/21 09Z,  99.90,  -8.53,  99.90,  99.90,   0.03,
03/21 10Z,  99.90,  -5.02,  99.90,  99.90,   0.03,
03/21 11Z,  99.90,  -2.24,  99.90,  99.90,   0.03,
03/21 12Z,  99.90,  -1.14,  99.90,  99.90,   0.03,