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.

	Ketchikan, AK

	Sitka, AK

	Juneau, AK

	Skagway, AK

	Elfin Cove, AK

	Yakutat, AK

	Cordova, AK

	Valdez, AK

	Seward, AK

	Seldovia, AK

	Nikiski, AK

	Anchorage, AK

	Kodiak Island, AK

	Alitak, AK

	Sand Point, AK

	King Cove, AK

	Adak Island, AK

	Atka, AK

	Unalaska, AK
#Friday Harbor, WA : 04/15/2026 19:20:18 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/14 00Z,   0.50,  -1.05,  -0.54,  99.90,   0.01,
04/14 01Z,   0.50,  -1.98,  -1.46,  99.90,   0.02,
04/14 02Z,   0.50,  -2.83,  -2.25,  99.90,   0.08,
04/14 03Z,   0.40,  -3.35,  -2.82,  99.90,   0.13,  (min)
04/14 04Z,   0.40,  -3.36,  -2.81,  99.90,   0.15,
04/14 05Z,   0.50,  -2.83,  -2.39,  99.90,  -0.06,
04/14 06Z,   0.40,  -1.90,  -1.44,  99.90,   0.06,
04/14 07Z,   0.30,  -0.76,  -0.25,  99.90,   0.21,
04/14 08Z,   0.20,   0.40,   0.97,  99.90,   0.37,
04/14 09Z,   0.30,   1.38,   2.02,  99.90,   0.34,
04/14 10Z,   0.40,   2.04,   2.67,  99.90,   0.23,
04/14 11Z,   0.30,   2.24,   2.92,  99.90,   0.38,  (max)
04/14 12Z,   0.30,   1.91,   2.73,  99.90,   0.52,
04/14 13Z,   0.40,   1.13,   1.99,  99.90,   0.46,
04/14 14Z,   0.40,   0.10,   0.92,  99.90,   0.42,
04/14 15Z,   0.40,  -0.87,   0.03,  99.90,   0.50,
04/14 16Z,   0.40,  -1.52,  -0.61,  99.90,   0.51,
04/14 17Z,   0.50,  -1.72,  -0.81,  99.90,   0.41,  (min)
04/14 18Z,   0.60,  -1.48,  -0.58,  99.90,   0.30,
04/14 19Z,   0.60,  -0.97,  -0.13,  99.90,   0.24,
04/14 20Z,   0.60,  -0.35,   0.50,  99.90,   0.25,
04/14 21Z,   0.70,   0.20,   1.16,  99.90,   0.26,
04/14 22Z,   0.80,   0.53,   1.46,  99.90,   0.13,
04/14 23Z,   0.80,   0.53,   1.47,  99.90,   0.14,  (max)
04/15 00Z,   0.80,   0.13,   1.14,  99.90,   0.21,
04/15 01Z,   0.80,  -0.64,   0.41,  99.90,   0.25,
04/15 02Z,   0.80,  -1.58,  -0.47,  99.90,   0.31,
04/15 03Z,   0.80,  -2.40,  -1.34,  99.90,   0.26,
04/15 04Z,   0.90,  -2.83,  -1.79,  99.90,   0.14,  (min)
04/15 05Z,   0.90,  -2.70,  -1.72,  99.90,   0.08,
04/15 06Z,   0.80,  -2.04,  -1.16,  99.90,   0.08,
04/15 07Z,   0.80,  -1.02,  -0.24,  99.90,  -0.02,
04/15 08Z,   0.70,   0.13,   0.97,  99.90,   0.14,
04/15 09Z,   0.70,   1.19,   1.96,  99.90,   0.07,
04/15 10Z,   0.80,   1.97,   2.75,  99.90,  -0.02,
04/15 11Z,   0.80,   2.31,   3.18,  99.90,   0.07,  (max)
04/15 12Z,   0.70,   2.08,   3.05,  99.90,   0.27,
04/15 13Z,   0.70,   1.27,   2.33,  99.90,   0.36,
04/15 14Z,   0.70,   0.06,   1.12,  99.90,   0.36,
04/15 15Z,   0.70,  -1.26,  -0.15,  99.90,   0.41,
04/15 16Z,   0.70,  -2.33,  -1.20,  99.90,   0.43,
04/15 17Z,   0.70,  -2.86,  -1.72,  99.90,   0.44,  (min)
04/15 18Z,   0.70,  -2.79,  -1.66,  99.90,   0.43,
04/15 19Z,   0.60,  -2.21,  -1.24,  99.90,   0.37,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/15 20Z,   0.60,  -1.33,  99.90,  -0.37,   0.36,
04/15 21Z,   0.60,  -0.38,  99.90,   0.57,   0.35,
04/15 22Z,   0.60,   0.44,  99.90,   1.38,   0.34,
04/15 23Z,   0.50,   0.98,  99.90,   1.81,   0.33,
04/16 00Z,   0.50,   1.08,  99.90,   1.90,   0.32,  (max)
04/16 01Z,   0.50,   0.70,  99.90,   1.51,   0.31,
04/16 02Z,   0.50,  -0.08,  99.90,   0.72,   0.29,
04/16 03Z,   0.50,  -1.02,  99.90,  -0.23,   0.28,
04/16 04Z,   0.50,  -1.78,  99.90,  -1.01,   0.27,
04/16 05Z,   0.50,  -2.09,  99.90,  -1.33,   0.26,  (min)
04/16 06Z,   0.50,  -1.82,  99.90,  -1.07,   0.25,
04/16 07Z,   0.40,  -1.06,  99.90,  -0.43,   0.24,
04/16 08Z,   0.40,  -0.02,  99.90,   0.62,   0.24,
04/16 09Z,   0.30,   1.05,  99.90,   1.59,   0.24,
04/16 10Z,   0.30,   1.93,  99.90,   2.47,   0.24,
04/16 11Z,   0.30,   2.40,  99.90,   2.94,   0.24,  (max)
04/16 12Z,   0.30,   2.32,  99.90,   2.86,   0.24,
04/16 13Z,   0.20,   1.60,  99.90,   2.03,   0.24,
04/16 14Z,   0.20,   0.31,  99.90,   0.75,   0.24,
04/16 15Z,   0.20,  -1.29,  99.90,  -0.85,   0.24,
04/16 16Z,   0.20,  -2.79,  99.90,  -2.35,   0.24,
04/16 17Z,   0.10,  -3.82,  99.90,  -3.48,   0.24,
04/16 18Z,   0.10,  -4.12,  99.90,  -3.78,   0.24,  (min)
04/16 19Z,   0.00,  -3.70,  99.90,  -3.46,   0.24,
04/16 20Z,   0.00,  -2.73,  99.90,  -2.50,   0.24,
04/16 21Z,   0.10,  -1.48,  99.90,  -1.14,   0.24,
04/16 22Z,   0.10,  -0.20,  99.90,   0.14,   0.24,
04/16 23Z,   0.00,   0.88,  99.90,   1.12,   0.24,
04/17 00Z,   0.00,   1.58,  99.90,   1.82,   0.24,
04/17 01Z,   0.10,   1.75,  99.90,   2.09,   0.24,  (max)
04/17 02Z,   0.10,   1.37,  99.90,   1.71,   0.24,
04/17 03Z,   0.00,   0.58,  99.90,   0.82,   0.24,
04/17 04Z,   0.00,  -0.32,  99.90,  -0.08,   0.24,
04/17 05Z,   0.10,  -0.99,  99.90,  -0.66,   0.24,
04/17 06Z,   0.10,  -1.18,  99.90,  -0.84,   0.24,  (min)
04/17 07Z,   0.10,  -0.80,  99.90,  -0.46,   0.24,
04/17 08Z,   0.10,  -0.01,  99.90,   0.33,   0.24,
04/17 09Z,   0.10,   0.97,  99.90,   1.31,   0.24,
04/17 10Z,   0.10,   1.88,  99.90,   2.22,   0.24,
04/17 11Z,   0.10,   2.48,  99.90,   2.82,   0.24,
04/17 12Z,   0.10,   2.58,  99.90,   2.92,   0.24,  (max)
04/17 13Z,   0.10,   2.04,  99.90,   2.38,   0.24,
04/17 14Z,   0.10,   0.83,  99.90,   1.17,   0.24,
04/17 15Z,   0.10,  -0.87,  99.90,  -0.53,   0.24,
04/17 16Z,   0.10,  -2.73,  99.90,  -2.39,   0.24,
04/17 17Z,   0.10,  -4.28,  99.90,  -3.94,   0.24,
04/17 18Z,   0.10,  -5.14,  99.90,  -4.80,   0.24,
04/17 19Z,   0.10,  -5.14,  99.90,  -4.80,   0.24,  (min)
04/17 20Z,   0.10,  -4.35,  99.90,  -4.01,   0.24,
04/17 21Z,   0.10,  -3.01,  99.90,  -2.67,   0.24,
04/17 22Z,   0.10,  -1.42,  99.90,  -1.08,   0.24,
04/17 23Z,   0.10,   0.13,  99.90,   0.47,   0.24,
04/18 00Z,   0.10,   1.41,  99.90,   1.75,   0.24,
04/18 01Z,   0.10,   2.21,  99.90,   2.55,   0.24,
04/18 02Z,   0.10,   2.42,  99.90,   2.76,   0.24,  (max)
04/18 03Z,   0.10,   2.04,  99.90,   2.38,   0.24,
04/18 04Z,   0.20,   1.27,  99.90,   1.71,   0.24,
04/18 05Z,   0.20,   0.44,  99.90,   0.88,   0.24,
04/18 06Z,   0.20,  -0.12,  99.90,   0.32,   0.24,
04/18 07Z,   0.20,  -0.18,  99.90,   0.25,   0.24,  (min)
04/18 08Z,   0.20,   0.24,  99.90,   0.68,   0.24,
04/18 09Z,   0.20,   1.00,  99.90,   1.44,   0.24,
04/18 10Z,   0.20,   1.84,  99.90,   2.28,   0.24,
04/18 11Z,   0.20,   2.51,  99.90,   2.95,   0.24,
04/18 12Z,   0.30,   2.79,  99.90,   3.32,   0.24,  (max)
04/18 13Z,   0.30,   2.49,  99.90,   3.03,   0.24,
04/18 14Z,   0.30,   1.52,  99.90,   2.06,   0.24,
04/18 15Z,   0.30,  -0.09,  99.90,   0.45,   0.24,
04/18 16Z,   0.30,  -2.09,  99.90,  -1.55,   0.24,
04/18 17Z,   0.30,  -4.05,  99.90,  -3.51,   0.24,
04/18 18Z,   0.30,  -5.52,  99.90,  -4.98,   0.24,
04/18 19Z,   0.30,  -6.14,  99.90,  -5.60,   0.24,  (min)
04/18 20Z,   0.30,  -5.82,  99.90,  -5.28,   0.24,
04/18 21Z,   0.30,  -4.70,  99.90,  -4.16,   0.24,
04/18 22Z,   0.30,  -3.07,  99.90,  -2.53,   0.24,
04/18 23Z,   0.40,  -1.24,  99.90,  -0.60,   0.24,
04/19 00Z,   0.40,   0.50,  99.90,   1.13,   0.24,
04/19 01Z,   0.40,   1.89,  99.90,   2.53,   0.24,
04/19 02Z,   0.40,   2.76,  99.90,   3.39,   0.24,
04/19 03Z,   0.40,   2.98,  99.90,   3.62,   0.24,  (max)
04/19 04Z,   0.40,   2.62,  99.90,   3.26,   0.24,
04/19 05Z,   0.50,   1.91,  99.90,   2.65,   0.24,
04/19 06Z,   0.50,   1.19,  99.90,   1.93,   0.24,
04/19 07Z,   0.40,   0.75,  99.90,   1.39,   0.24,  (min)
04/19 08Z,   0.40,   0.77,  99.90,   1.40,   0.24,
04/19 09Z,   0.40,   1.18,  99.90,   1.82,   0.24,
04/19 10Z,   0.40,   1.83,  99.90,   2.47,   0.24,
04/19 11Z,   0.40,   2.47,  99.90,   3.11,   0.24,
04/19 12Z,   0.40,   2.88,  99.90,   3.51,   0.24,