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
#Seward, AK : 11/17/2025 12:22:43 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/15 12Z,   1.60,  -8.18,  -8.07,  99.90,  -1.49,
11/15 13Z,   1.60,  -8.23,  -8.16,  99.90,  -1.53,  (min)
11/15 14Z,   1.60,  -7.44,  -7.30,  99.90,  -1.46,
11/15 15Z,   1.50,  -5.93,  -5.86,  99.90,  -1.43,
11/15 16Z,   1.50,  -4.04,  -4.10,  99.90,  -1.56,
11/15 17Z,   1.40,  -2.25,  -2.26,  99.90,  -1.41,
11/15 18Z,   1.60,  -0.97,  -1.01,  99.90,  -1.64,
11/15 19Z,   1.50,  -0.47,  -0.75,  99.90,  -1.78,  (max)
11/15 20Z,   1.50,  -0.87,  -1.21,  99.90,  -1.84,
11/15 21Z,   1.50,  -2.14,  -2.42,  99.90,  -1.78,
11/15 22Z,   1.50,  -4.01,  -4.30,  99.90,  -1.79,
11/15 23Z,   1.50,  -5.99,  -6.32,  99.90,  -1.83,
11/16 00Z,   1.40,  -7.61,  -7.83,  99.90,  -1.62,
11/16 01Z,   1.30,  -8.53,  -8.82,  99.90,  -1.59,
11/16 02Z,   1.20,  -8.58,  -8.89,  99.90,  -1.51,  (min)
11/16 03Z,   1.20,  -7.74,  -8.03,  99.90,  -1.49,
11/16 04Z,   1.20,  -6.25,  -6.61,  99.90,  -1.56,
11/16 05Z,   1.10,  -4.55,  -4.95,  99.90,  -1.50,
11/16 06Z,   1.10,  -3.11,  -3.47,  99.90,  -1.46,
11/16 07Z,   1.10,  -2.26,  -2.66,  99.90,  -1.50,
11/16 08Z,   1.00,  -2.20,  -2.53,  99.90,  -1.33,  (max)
11/16 09Z,   1.00,  -2.95,  -3.36,  99.90,  -1.41,
11/16 10Z,   1.20,  -4.33,  -4.70,  99.90,  -1.57,
11/16 11Z,   1.00,  -5.93,  -6.14,  99.90,  -1.21,
11/16 12Z,   1.00,  -7.26,  -7.44,  99.90,  -1.18,
11/16 13Z,   1.00,  -7.94,  -8.18,  99.90,  -1.24,  (min)
11/16 14Z,   0.90,  -7.76,  -8.10,  99.90,  -1.24,
11/16 15Z,   0.70,  -6.70,  -6.92,  99.90,  -0.92,
11/16 16Z,   1.10,  -4.96,  -5.14,  99.90,  -1.28,
11/16 17Z,   0.90,  -2.97,  -3.17,  99.90,  -1.10,
11/16 18Z,   1.00,  -1.24,  -1.54,  99.90,  -1.30,
11/16 19Z,   1.00,  -0.19,  -0.45,  99.90,  -1.26,
11/16 20Z,   1.10,  -0.07,  -0.40,  99.90,  -1.43,  (max)
11/16 21Z,   1.10,  -0.94,  -1.39,  99.90,  -1.55,
11/16 22Z,   1.10,  -2.68,  -3.05,  99.90,  -1.47,
11/16 23Z,   1.10,  -4.92,  -5.22,  99.90,  -1.40,
11/17 00Z,   1.10,  -7.12,  -7.32,  99.90,  -1.30,
11/17 01Z,   1.10,  -8.77,  -9.01,  99.90,  -1.34,
11/17 02Z,   1.00,  -9.53,  -9.73,  99.90,  -1.20,  (min)
11/17 03Z,   1.00,  -9.25,  -9.39,  99.90,  -1.14,
11/17 04Z,   1.10,  -8.03,  -8.19,  99.90,  -1.26,
11/17 05Z,   1.20,  -6.19,  -6.41,  99.90,  -1.42,
11/17 06Z,   1.30,  -4.26,  -4.45,  99.90,  -1.49,
11/17 07Z,   1.30,  -2.74,  -2.70,  99.90,  -1.26,
11/17 08Z,   1.50,  -1.95,  -1.92,  99.90,  -1.47,  (max)
11/17 09Z,   1.30,  -2.03,  -2.01,  99.90,  -1.28,
11/17 10Z,   1.30,  -2.95,  -2.88,  99.90,  -1.23,
11/17 11Z,   1.30,  -4.45,  -4.24,  99.90,  -1.09,
11/17 12Z,   1.40,  -6.05,  -5.86,  99.90,  -1.21,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/17 13Z,   1.30,  -7.24,  99.90,  -7.16,  -1.22,
11/17 14Z,   1.20,  -7.64,  99.90,  -7.67,  -1.23,  (min)
11/17 15Z,   1.30,  -7.12,  99.90,  -7.06,  -1.24,
11/17 16Z,   1.40,  -5.73,  99.90,  -5.58,  -1.25,
11/17 17Z,   1.30,  -3.77,  99.90,  -3.74,  -1.27,
11/17 18Z,   1.40,  -1.77,  99.90,  -1.64,  -1.28,
11/17 19Z,   1.50,  -0.25,  99.90,  -0.04,  -1.29,
11/17 20Z,   1.50,   0.38,  99.90,   0.58,  -1.30,  (max)
11/17 21Z,   1.50,  -0.01,  99.90,   0.17,  -1.31,
11/17 22Z,   1.50,  -1.43,  99.90,  -1.26,  -1.33,
11/17 23Z,   1.40,  -3.64,  99.90,  -3.58,  -1.34,
11/18 00Z,   1.40,  -6.16,  99.90,  -6.11,  -1.35,
11/18 01Z,   1.30,  -8.41,  99.90,  -8.46,  -1.35,
11/18 02Z,   1.40,  -9.86,  99.90,  -9.81,  -1.35,
11/18 03Z,   1.40, -10.24,  99.90, -10.19,  -1.35,  (min)
11/18 04Z,   1.40,  -9.50,  99.90,  -9.45,  -1.35,
11/18 05Z,   1.30,  -7.83,  99.90,  -7.88,  -1.35,
11/18 06Z,   1.30,  -5.69,  99.90,  -5.74,  -1.35,
11/18 07Z,   1.20,  -3.66,  99.90,  -3.81,  -1.35,
11/18 08Z,   1.10,  -2.23,  99.90,  -2.47,  -1.35,
11/18 09Z,   1.10,  -1.65,  99.90,  -1.90,  -1.35,  (max)
11/18 10Z,   1.00,  -2.00,  99.90,  -2.35,  -1.35,
11/18 11Z,   1.00,  -3.15,  99.90,  -3.50,  -1.35,
11/18 12Z,   0.90,  -4.76,  99.90,  -5.21,  -1.35,
11/18 13Z,   0.90,  -6.28,  99.90,  -6.73,  -1.35,
11/18 14Z,   0.90,  -7.20,  99.90,  -7.65,  -1.35,  (min)
11/18 15Z,   1.00,  -7.22,  99.90,  -7.57,  -1.35,
11/18 16Z,   0.90,  -6.29,  99.90,  -6.74,  -1.35,
11/18 17Z,   0.90,  -4.57,  99.90,  -5.02,  -1.35,
11/18 18Z,   1.10,  -2.49,  99.90,  -2.74,  -1.35,
11/18 19Z,   1.20,  -0.62,  99.90,  -0.77,  -1.35,
11/18 20Z,   0.90,   0.51,  99.90,   0.06,  -1.35,
11/18 21Z,   0.90,   0.61,  99.90,   0.16,  -1.35,  (max)
11/18 22Z,   1.00,  -0.38,  99.90,  -0.73,  -1.35,
11/18 23Z,   0.90,  -2.34,  99.90,  -2.79,  -1.35,
11/19 00Z,   0.70,  -4.91,  99.90,  -5.56,  -1.35,
11/19 01Z,   0.80,  -7.54,  99.90,  -8.09,  -1.35,
11/19 02Z,   0.70,  -9.62,  99.90, -10.27,  -1.35,
11/19 03Z,   0.70, -10.67,  99.90, -11.32,  -1.35,  (min)
11/19 04Z,   0.60, -10.53,  99.90, -11.28,  -1.35,
11/19 05Z,   0.60,  -9.27,  99.90, -10.01,  -1.35,
11/19 06Z,   0.70,  -7.20,  99.90,  -7.85,  -1.35,
11/19 07Z,   0.70,  -4.88,  99.90,  -5.53,  -1.35,
11/19 08Z,   0.90,  -2.92,  99.90,  -3.37,  -1.35,
11/19 09Z,   0.80,  -1.74,  99.90,  -2.29,  -1.35,
11/19 10Z,   0.60,  -1.50,  99.90,  -2.25,  -1.35,  (max)
11/19 11Z,   0.90,  -2.17,  99.90,  -2.62,  -1.35,
11/19 12Z,   1.10,  -3.54,  99.90,  -3.79,  -1.35,
11/19 13Z,   0.80,  -5.17,  99.90,  -5.72,  -1.35,
11/19 14Z,   0.50,  -6.50,  99.90,  -7.35,  -1.35,  (min)
11/19 15Z,   1.10,  -7.05,  99.90,  -7.30,  -1.35,
11/19 16Z,   1.30,  -6.62,  99.90,  -6.67,  -1.35,
11/19 17Z,   1.10,  -5.28,  99.90,  -5.53,  -1.35,
11/19 18Z,   1.20,  -3.34,  99.90,  -3.49,  -1.35,
11/19 19Z,   1.40,  -1.28,  99.90,  -1.23,  -1.35,
11/19 20Z,   1.60,   0.29,  99.90,   0.54,  -1.35,
11/19 21Z,   1.50,   0.91,  99.90,   1.06,  -1.35,  (max)
11/19 22Z,   1.60,   0.41,  99.90,   0.66,  -1.35,
11/19 23Z,   1.80,  -1.16,  99.90,  -0.71,  -1.35,
11/20 00Z,   1.80,  -3.54,  99.90,  -3.09,  -1.35,
11/20 01Z,   1.80,  -6.31,  99.90,  -5.86,  -1.35,
11/20 02Z,   1.80,  -8.84,  99.90,  -8.39,  -1.35,
11/20 03Z,   1.80, -10.55,  99.90, -10.10,  -1.35,
11/20 04Z,   1.90, -11.07,  99.90, -10.52,  -1.35,  (min)
11/20 05Z,   2.00, -10.35,  99.90,  -9.70,  -1.35,
11/20 06Z,   2.00,  -8.61,  99.90,  -7.96,  -1.35,
11/20 07Z,   1.90,  -6.29,  99.90,  -5.74,  -1.35,
11/20 08Z,   1.90,  -3.98,  99.90,  -3.43,  -1.35,
11/20 09Z,   1.90,  -2.26,  99.90,  -1.70,  -1.35,
11/20 10Z,   1.90,  -1.44,  99.90,  -0.89,  -1.35,  (max)
11/20 11Z,   1.90,  -1.59,  99.90,  -1.04,  -1.35,
11/20 12Z,   2.00,  -2.57,  99.90,  -1.92,  -1.35,
11/20 13Z,   2.00,  -4.08,  99.90,  -3.43,  -1.35,
11/20 14Z,   2.00,  -5.61,  99.90,  -4.96,  -1.35,
11/20 15Z,   1.90,  -6.62,  99.90,  -6.07,  -1.35,
11/20 16Z,   1.80,  -6.72,  99.90,  -6.27,  -1.35,  (min)
11/20 17Z,   2.00,  -5.85,  99.90,  -5.20,  -1.35,
11/20 18Z,   2.10,  -4.19,  99.90,  -3.44,  -1.35,
11/20 19Z,   2.00,  -2.16,  99.90,  -1.51,  -1.35,
11/20 20Z,   2.00,  -0.30,  99.90,   0.35,  -1.35,
11/20 21Z,   1.90,   0.83,  99.90,   1.38,  -1.35,
11/20 22Z,   2.10,   0.88,  99.90,   1.63,  -1.35,  (max)
11/20 23Z,   2.10,  -0.20,  99.90,   0.55,  -1.35,
11/21 00Z,   2.10,  -2.23,  99.90,  -1.48,  -1.35,