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
#Nantucket Island, MA : 07/13/2025 22:22:56 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/12 06Z,   0.30,   0.07,   0.53,  99.90,   0.16,  (max)
07/12 07Z,   0.30,  -0.28,   0.22,  99.90,   0.20,
07/12 08Z,   0.30,  -0.95,  -0.41,  99.90,   0.24,
07/12 09Z,   0.30,  -1.80,  -1.21,  99.90,   0.29,
07/12 10Z,   0.30,  -2.65,  -2.07,  99.90,   0.28,
07/12 11Z,   0.30,  -3.28,  -2.77,  99.90,   0.21,
07/12 12Z,   0.30,  -3.46,  -3.02,  99.90,   0.14,  (min)
07/12 13Z,   0.30,  -3.21,  -2.67,  99.90,   0.24,
07/12 14Z,   0.30,  -2.74,  -2.20,  99.90,   0.24,
07/12 15Z,   0.30,  -2.22,  -1.66,  99.90,   0.26,
07/12 16Z,   0.30,  -1.71,  -1.20,  99.90,   0.21,
07/12 17Z,   0.30,  -1.22,  -0.77,  99.90,   0.15,
07/12 18Z,   0.30,  -0.93,  -0.46,  99.90,   0.17,
07/12 19Z,   0.30,  -0.96,  -0.45,  99.90,   0.21,  (max)
07/12 20Z,   0.40,  -1.31,  -0.71,  99.90,   0.20,
07/12 21Z,   0.40,  -1.86,  -1.19,  99.90,   0.27,
07/12 22Z,   0.40,  -2.46,  -1.79,  99.90,   0.27,
07/12 23Z,   0.40,  -2.90,  -2.28,  99.90,   0.22,
07/13 00Z,   0.40,  -2.97,  -2.46,  99.90,   0.11,  (min)
07/13 01Z,   0.40,  -2.60,  -2.13,  99.90,   0.07,
07/13 02Z,   0.40,  -1.97,  -1.54,  99.90,   0.03,
07/13 03Z,   0.40,  -1.30,  -0.92,  99.90,  -0.02,
07/13 04Z,   0.30,  -0.71,  -0.30,  99.90,   0.11,
07/13 05Z,   0.30,  -0.22,   0.22,  99.90,   0.14,
07/13 06Z,   0.30,   0.09,   0.48,  99.90,   0.09,  (max)
07/13 07Z,   0.30,   0.03,   0.41,  99.90,   0.08,
07/13 08Z,   0.30,  -0.44,   0.03,  99.90,   0.17,
07/13 09Z,   0.30,  -1.21,  -0.65,  99.90,   0.26,
07/13 10Z,   0.30,  -2.11,  -1.49,  99.90,   0.32,
07/13 11Z,   0.30,  -2.93,  -2.38,  99.90,   0.25,
07/13 12Z,   0.30,  -3.44,  -2.99,  99.90,   0.15,
07/13 13Z,   0.30,  -3.46,  -3.10,  99.90,   0.06,  (min)
07/13 14Z,   0.30,  -3.08,  -2.66,  99.90,   0.12,
07/13 15Z,   0.30,  -2.52,  -2.09,  99.90,   0.13,
07/13 16Z,   0.30,  -1.96,  -1.52,  99.90,   0.14,
07/13 17Z,   0.20,  -1.43,  -1.00,  99.90,   0.23,
07/13 18Z,   0.20,  -0.97,  -0.58,  99.90,   0.19,
07/13 19Z,   0.20,  -0.75,  -0.41,  99.90,   0.14,  (max)
07/13 20Z,   0.30,  -0.90,  -0.49,  99.90,   0.11,
07/13 21Z,   0.30,  -1.37,  -0.87,  99.90,   0.20,
07/13 22Z,   0.30,  -2.01,  -1.43,  99.90,   0.28,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/13 23Z,   0.30,  -2.64,  99.90,  -2.07,   0.27,
07/14 00Z,   0.30,  -3.05,  99.90,  -2.49,   0.26,  (min)
07/14 01Z,   0.30,  -3.02,  99.90,  -2.48,   0.25,
07/14 02Z,   0.30,  -2.56,  99.90,  -2.02,   0.24,
07/14 03Z,   0.30,  -1.87,  99.90,  -1.35,   0.23,
07/14 04Z,   0.20,  -1.21,  99.90,  -0.79,   0.22,
07/14 05Z,   0.20,  -0.63,  99.90,  -0.22,   0.21,
07/14 06Z,   0.20,  -0.17,  99.90,   0.23,   0.20,
07/14 07Z,   0.20,   0.07,  99.90,   0.45,   0.19,  (max)
07/14 08Z,   0.20,  -0.09,  99.90,   0.28,   0.18,
07/14 09Z,   0.20,  -0.66,  99.90,  -0.29,   0.17,
07/14 10Z,   0.30,  -1.49,  99.90,  -1.04,   0.16,
07/14 11Z,   0.30,  -2.40,  99.90,  -1.94,   0.16,
07/14 12Z,   0.30,  -3.16,  99.90,  -2.70,   0.16,
07/14 13Z,   0.20,  -3.53,  99.90,  -3.18,   0.16,  (min)
07/14 14Z,   0.20,  -3.40,  99.90,  -3.04,   0.16,
07/14 15Z,   0.20,  -2.89,  99.90,  -2.53,   0.16,
07/14 16Z,   0.20,  -2.26,  99.90,  -1.91,   0.16,
07/14 17Z,   0.20,  -1.67,  99.90,  -1.32,   0.16,
07/14 18Z,   0.20,  -1.13,  99.90,  -0.77,   0.16,
07/14 19Z,   0.20,  -0.70,  99.90,  -0.35,   0.16,
07/14 20Z,   0.20,  -0.58,  99.90,  -0.22,   0.16,  (max)
07/14 21Z,   0.30,  -0.84,  99.90,  -0.39,   0.16,
07/14 22Z,   0.30,  -1.42,  99.90,  -0.96,   0.16,
07/14 23Z,   0.30,  -2.13,  99.90,  -1.68,   0.16,
07/15 00Z,   0.30,  -2.79,  99.90,  -2.34,   0.16,
07/15 01Z,   0.30,  -3.16,  99.90,  -2.71,   0.16,  (min)
07/15 02Z,   0.30,  -3.07,  99.90,  -2.61,   0.16,
07/15 03Z,   0.20,  -2.54,  99.90,  -2.19,   0.16,
07/15 04Z,   0.20,  -1.84,  99.90,  -1.49,   0.16,
07/15 05Z,   0.20,  -1.19,  99.90,  -0.83,   0.16,
07/15 06Z,   0.20,  -0.63,  99.90,  -0.27,   0.16,
07/15 07Z,   0.20,  -0.19,  99.90,   0.16,   0.16,
07/15 08Z,   0.20,  -0.03,  99.90,   0.33,   0.16,  (max)
07/15 09Z,   0.20,  -0.27,  99.90,   0.08,   0.16,
07/15 10Z,   0.20,  -0.91,  99.90,  -0.55,   0.16,
07/15 11Z,   0.20,  -1.76,  99.90,  -1.41,   0.16,
07/15 12Z,   0.20,  -2.64,  99.90,  -2.28,   0.16,
07/15 13Z,   0.20,  -3.31,  99.90,  -2.95,   0.16,
07/15 14Z,   0.20,  -3.54,  99.90,  -3.19,   0.16,  (min)
07/15 15Z,   0.20,  -3.27,  99.90,  -2.91,   0.16,
07/15 16Z,   0.20,  -2.66,  99.90,  -2.30,   0.16,
07/15 17Z,   0.20,  -1.98,  99.90,  -1.63,   0.16,
07/15 18Z,   0.20,  -1.36,  99.90,  -1.01,   0.16,
07/15 19Z,   0.20,  -0.81,  99.90,  -0.46,   0.16,
07/15 20Z,   0.20,  -0.44,  99.90,  -0.08,   0.16,
07/15 21Z,   0.20,  -0.40,  99.90,  -0.05,   0.16,  (max)
07/15 22Z,   0.20,  -0.78,  99.90,  -0.43,   0.16,
07/15 23Z,   0.20,  -1.45,  99.90,  -1.10,   0.16,
07/16 00Z,   0.20,  -2.23,  99.90,  -1.88,   0.16,
07/16 01Z,   0.20,  -2.91,  99.90,  -2.56,   0.16,
07/16 02Z,   0.20,  -3.26,  99.90,  -2.90,   0.16,  (min)
07/16 03Z,   0.20,  -3.12,  99.90,  -2.76,   0.16,
07/16 04Z,   0.20,  -2.57,  99.90,  -2.21,   0.16,
07/16 05Z,   0.20,  -1.88,  99.90,  -1.52,   0.16,
07/16 06Z,   0.10,  -1.24,  99.90,  -0.99,   0.16,
07/16 07Z,   0.10,  -0.70,  99.90,  -0.44,   0.16,
07/16 08Z,   0.20,  -0.30,  99.90,   0.06,   0.16,
07/16 09Z,   0.20,  -0.18,  99.90,   0.17,   0.16,  (max)
07/16 10Z,   0.20,  -0.48,  99.90,  -0.13,   0.16,
07/16 11Z,   0.20,  -1.15,  99.90,  -0.79,   0.16,
07/16 12Z,   0.20,  -1.99,  99.90,  -1.63,   0.16,
07/16 13Z,   0.20,  -2.81,  99.90,  -2.46,   0.16,
07/16 14Z,   0.20,  -3.38,  99.90,  -3.03,   0.16,
07/16 15Z,   0.20,  -3.48,  99.90,  -3.13,   0.16,  (min)
07/16 16Z,   0.20,  -3.09,  99.90,  -2.73,   0.16,
07/16 17Z,   0.20,  -2.41,  99.90,  -2.05,   0.16,
07/16 18Z,   0.20,  -1.69,  99.90,  -1.34,   0.16,
07/16 19Z,   0.20,  -1.05,  99.90,  -0.70,   0.16,
07/16 20Z,   0.20,  -0.51,  99.90,  -0.16,   0.16,
07/16 21Z,   0.20,  -0.19,  99.90,   0.17,   0.16,  (max)
07/16 22Z,   0.20,  -0.24,  99.90,   0.11,   0.16,
07/16 23Z,   0.30,  -0.71,  99.90,  -0.26,   0.16,
07/17 00Z,   0.30,  -1.46,  99.90,  -1.01,   0.16,
07/17 01Z,   0.30,  -2.29,  99.90,  -1.84,   0.16,
07/17 02Z,   0.30,  -3.00,  99.90,  -2.54,   0.16,
07/17 03Z,   0.30,  -3.34,  99.90,  -2.89,   0.16,  (min)
07/17 04Z,   0.30,  -3.19,  99.90,  -2.73,   0.16,
07/17 05Z,   0.20,  -2.64,  99.90,  -2.29,   0.16,
07/17 06Z,   0.20,  -1.98,  99.90,  -1.63,   0.16,
07/17 07Z,   0.30,  -1.37,  99.90,  -0.91,   0.16,
07/17 08Z,   0.30,  -0.83,  99.90,  -0.38,   0.16,
07/17 09Z,   0.30,  -0.45,  99.90,   0.01,   0.16,
07/17 10Z,   0.30,  -0.37,  99.90,   0.08,   0.16,  (max)
07/17 11Z,   0.30,  -0.70,  99.90,  -0.24,   0.16,
07/17 12Z,   0.30,  -1.35,  99.90,  -0.90,   0.16,
07/17 13Z,  99.90,  -2.15,  99.90,  99.90,   0.16,
07/17 14Z,  99.90,  -2.91,  99.90,  99.90,   0.16,
07/17 15Z,  99.90,  -3.38,  99.90,  99.90,   0.16,
07/17 16Z,  99.90,  -3.38,  99.90,  99.90,   0.16,
07/17 17Z,  99.90,  -2.90,  99.90,  99.90,   0.16,
07/17 18Z,  99.90,  -2.17,  99.90,  99.90,   0.16,