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
#Boston, MA : 12/12/2025 22:23:16 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/11 06Z,   0.50,  -5.61,  -4.78,  99.90,   0.33,
12/11 07Z,   0.50,  -3.38,  -2.72,  99.90,   0.16,
12/11 08Z,   0.50,  -1.70,  -0.89,  99.90,   0.31,
12/11 09Z,   0.50,  -1.05,  -0.30,  99.90,   0.25,  (max)
12/11 10Z,   0.50,  -1.48,  -0.78,  99.90,   0.20,
12/11 11Z,   0.50,  -2.74,  -2.11,  99.90,   0.13,
12/11 12Z,   0.40,  -4.56,  -3.87,  99.90,   0.29,
12/11 13Z,   0.40,  -6.66,  -6.13,  99.90,   0.13,
12/11 14Z,   0.30,  -8.47,  -7.64,  99.90,   0.53,
12/11 15Z,   0.30,  -9.22,  -8.79,  99.90,   0.13,  (min)
12/11 16Z,   0.20,  -8.73,  -8.30,  99.90,   0.23,
12/11 17Z,   0.10,  -7.43,  -7.20,  99.90,   0.13,
12/11 18Z,   0.10,  -5.64,  -5.44,  99.90,   0.10,
12/11 19Z,   0.00,  -3.56,  -3.34,  99.90,   0.22,
12/11 20Z,   0.00,  -1.76,  -1.84,  99.90,  -0.08,
12/11 21Z,   0.00,  -0.85,  -0.79,  99.90,   0.06,  (max)
12/11 22Z,  -0.10,  -1.02,  -0.84,  99.90,   0.28,
12/11 23Z,  -0.20,  -2.10,  -2.18,  99.90,   0.12,
12/12 00Z,  -0.30,  -3.82,  -3.81,  99.90,   0.31,
12/12 01Z,  -0.40,  -5.94,  -5.94,  99.90,   0.40,
12/12 02Z,  -0.60,  -8.07,  -8.02,  99.90,   0.65,
12/12 03Z,  -0.70,  -9.49,  -9.79,  99.90,   0.40,
12/12 04Z,  -0.70,  -9.67, -10.02,  99.90,   0.35,  (min)
12/12 05Z,  -0.70,  -8.82,  -9.24,  99.90,   0.28,
12/12 06Z,  -0.70,  -7.34,  -7.86,  99.90,   0.18,
12/12 07Z,  -0.70,  -5.35,  -6.11,  99.90,  -0.06,
12/12 08Z,  -0.70,  -3.24,  -4.05,  99.90,  -0.11,
12/12 09Z,  -0.80,  -1.70,  -2.43,  99.90,   0.07,
12/12 10Z,  -0.90,  -1.16,  -1.90,  99.90,   0.16,  (max)
12/12 11Z,  -1.00,  -1.60,  -2.39,  99.90,   0.21,
12/12 12Z,  -1.00,  -2.79,  -3.57,  99.90,   0.22,
12/12 13Z,  -1.10,  -4.53,  -5.35,  99.90,   0.28,
12/12 14Z,  -1.10,  -6.56,  -7.27,  99.90,   0.39,
12/12 15Z,  -1.20,  -8.30,  -8.98,  99.90,   0.52,
12/12 16Z,  -1.30,  -9.01, -10.18,  99.90,   0.13,  (min)
12/12 17Z,  -1.30,  -8.62,  -9.66,  99.90,   0.26,
12/12 18Z,  -1.30,  -7.51,  -8.47,  99.90,   0.34,
12/12 19Z,  -1.30,  -5.88,  -6.88,  99.90,   0.30,
12/12 20Z,  -1.30,  -3.91,  -5.28,  99.90,  -0.07,
12/12 21Z,  -1.20,  -2.22,  -3.62,  99.90,  -0.20,
12/12 22Z,  -1.20,  -1.37,  -2.42,  99.90,   0.15,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
12/12 23Z,  -1.10,  -1.51,  99.90,  -2.46,   0.15,
12/13 00Z,  -1.10,  -2.46,  99.90,  -3.41,   0.14,
12/13 01Z,  -1.10,  -4.00,  99.90,  -4.96,   0.14,
12/13 02Z,  -1.10,  -5.94,  99.90,  -6.91,   0.14,
12/13 03Z,  -1.10,  -7.90,  99.90,  -8.86,   0.13,
12/13 04Z,  -1.00,  -9.13,  99.90, -10.00,   0.13,  (min)
12/13 05Z,  -0.80,  -9.21,  99.90,  -9.88,   0.13,
12/13 06Z,  -0.70,  -8.40,  99.90,  -8.97,   0.13,
12/13 07Z,  -0.50,  -6.98,  99.90,  -7.36,   0.12,
12/13 08Z,  -0.40,  -5.05,  99.90,  -5.33,   0.12,
12/13 09Z,  -0.30,  -3.03,  99.90,  -3.21,   0.12,
12/13 10Z,  -0.10,  -1.63,  99.90,  -1.61,   0.11,
12/13 11Z,   0.00,  -1.18,  99.90,  -1.07,   0.11,  (max)
12/13 12Z,   0.00,  -1.65,  99.90,  -1.54,   0.11,
12/13 13Z,   0.00,  -2.84,  99.90,  -2.72,   0.11,
12/13 14Z,   0.10,  -4.55,  99.90,  -4.34,   0.11,
12/13 15Z,   0.10,  -6.57,  99.90,  -6.36,   0.11,
12/13 16Z,   0.10,  -8.26,  99.90,  -8.05,   0.11,
12/13 17Z,   0.00,  -8.96,  99.90,  -8.85,   0.11,  (min)
12/13 18Z,   0.00,  -8.65,  99.90,  -8.53,   0.11,
12/13 19Z,   0.10,  -7.66,  99.90,  -7.45,   0.11,
12/13 20Z,   0.10,  -6.10,  99.90,  -5.88,   0.11,
12/13 21Z,   0.10,  -4.17,  99.90,  -3.96,   0.11,
12/13 22Z,   0.00,  -2.54,  99.90,  -2.43,   0.11,
12/13 23Z,   0.00,  -1.74,  99.90,  -1.62,   0.11,  (max)
12/14 00Z,   0.00,  -1.85,  99.90,  -1.74,   0.11,
12/14 01Z,   0.00,  -2.72,  99.90,  -2.60,   0.11,
12/14 02Z,   0.00,  -4.15,  99.90,  -4.03,   0.11,
12/14 03Z,   0.00,  -5.98,  99.90,  -5.87,   0.11,
12/14 04Z,   0.00,  -7.80,  99.90,  -7.69,   0.11,
12/14 05Z,   0.00,  -8.87,  99.90,  -8.76,   0.11,  (min)
12/14 06Z,   0.00,  -8.85,  99.90,  -8.74,   0.11,
12/14 07Z,   0.10,  -8.03,  99.90,  -7.82,   0.11,
12/14 08Z,   0.10,  -6.61,  99.90,  -6.40,   0.11,
12/14 09Z,   0.20,  -4.67,  99.90,  -4.36,   0.11,
12/14 10Z,   0.20,  -2.73,  99.90,  -2.42,   0.11,
12/14 11Z,   0.20,  -1.46,  99.90,  -1.15,   0.11,
12/14 12Z,   0.20,  -1.14,  99.90,  -0.83,   0.11,  (max)
12/14 13Z,   0.20,  -1.69,  99.90,  -1.38,   0.11,
12/14 14Z,   0.30,  -2.92,  99.90,  -2.51,   0.11,
12/14 15Z,   0.30,  -4.69,  99.90,  -4.28,   0.11,
12/14 16Z,   0.40,  -6.74,  99.90,  -6.23,   0.11,
12/14 17Z,   0.40,  -8.40,  99.90,  -7.89,   0.11,
12/14 18Z,   0.40,  -9.06,  99.90,  -8.55,   0.11,  (min)
12/14 19Z,   0.40,  -8.77,  99.90,  -8.25,   0.11,
12/14 20Z,   0.50,  -7.80,  99.90,  -7.19,   0.11,
12/14 21Z,   0.50,  -6.21,  99.90,  -5.59,   0.11,
12/14 22Z,   0.50,  -4.27,  99.90,  -3.66,   0.11,
12/14 23Z,   0.60,  -2.69,  99.90,  -1.98,   0.11,
12/15 00Z,   0.50,  -1.94,  99.90,  -1.32,   0.11,  (max)
12/15 01Z,   0.50,  -2.06,  99.90,  -1.45,   0.11,
12/15 02Z,   0.40,  -2.90,  99.90,  -2.39,   0.11,
12/15 03Z,   0.40,  -4.30,  99.90,  -3.79,   0.11,
12/15 04Z,   0.40,  -6.10,  99.90,  -5.59,   0.11,
12/15 05Z,   0.40,  -7.82,  99.90,  -7.31,   0.11,
12/15 06Z,   0.40,  -8.73,  99.90,  -8.21,   0.11,  (min)
12/15 07Z,   0.30,  -8.58,  99.90,  -8.16,   0.11,
12/15 08Z,   0.30,  -7.68,  99.90,  -7.27,   0.11,
12/15 09Z,   0.30,  -6.18,  99.90,  -5.77,   0.11,
12/15 10Z,   0.40,  -4.21,  99.90,  -3.70,   0.11,
12/15 11Z,   0.50,  -2.35,  99.90,  -1.73,   0.11,
12/15 12Z,   0.50,  -1.23,  99.90,  -0.62,   0.11,
12/15 13Z,   0.50,  -1.07,  99.90,  -0.46,   0.11,  (max)
12/15 14Z,   0.60,  -1.75,  99.90,  -1.04,   0.11,
12/15 15Z,   0.50,  -3.10,  99.90,  -2.49,   0.11,
12/15 16Z,   0.50,  -4.98,  99.90,  -4.37,   0.11,
12/15 17Z,   0.50,  -7.09,  99.90,  -6.48,   0.11,
12/15 18Z,   0.50,  -8.70,  99.90,  -8.09,   0.11,
12/15 19Z,   0.50,  -9.26,  99.90,  -8.65,   0.11,  (min)
12/15 20Z,   0.50,  -8.90,  99.90,  -8.29,   0.11,
12/15 21Z,   0.50,  -7.85,  99.90,  -7.24,   0.11,
12/15 22Z,   0.60,  -6.15,  99.90,  -5.44,   0.11,
12/15 23Z,   0.60,  -4.18,  99.90,  -3.47,   0.11,
12/16 00Z,   0.70,  -2.66,  99.90,  -1.84,   0.11,
12/16 01Z,   0.70,  -1.99,  99.90,  -1.18,   0.11,  (max)
12/16 02Z,   0.70,  -2.19,  99.90,  -1.38,   0.11,
12/16 03Z,   0.60,  -3.08,  99.90,  -2.37,   0.11,
12/16 04Z,   0.50,  -4.53,  99.90,  -3.92,   0.11,
12/16 05Z,   0.40,  -6.35,  99.90,  -5.83,   0.11,
12/16 06Z,   0.40,  -7.97,  99.90,  -7.45,   0.11,
12/16 07Z,   0.40,  -8.67,  99.90,  -8.16,   0.11,  (min)
12/16 08Z,   0.40,  -8.34,  99.90,  -7.83,   0.11,
12/16 09Z,   0.40,  -7.31,  99.90,  -6.79,   0.11,
12/16 10Z,   0.40,  -5.68,  99.90,  -5.17,   0.11,
12/16 11Z,   0.40,  -3.66,  99.90,  -3.15,   0.11,
12/16 12Z,   0.40,  -1.90,  99.90,  -1.38,   0.11,
12/16 13Z,  99.90,  -0.98,  99.90,  99.90,   0.11,
12/16 14Z,  99.90,  -1.02,  99.90,  99.90,   0.11,
12/16 15Z,  99.90,  -1.90,  99.90,  99.90,   0.11,
12/16 16Z,  99.90,  -3.43,  99.90,  99.90,   0.11,
12/16 17Z,  99.90,  -5.45,  99.90,  99.90,   0.11,
12/16 18Z,  99.90,  -7.60,  99.90,  99.90,   0.11,