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
#Unalaska, AK : 01/18/2026 20:21:48 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/17 00Z,   0.10,   4.11,   4.17,  99.90,  -0.04,  (max)
01/17 01Z,   0.10,   3.80,   3.71,  99.90,  -0.19,
01/17 02Z,   0.10,   3.30,   3.25,  99.90,  -0.15,
01/17 03Z,   0.20,   2.63,   2.64,  99.90,  -0.19,
01/17 04Z,   0.30,   1.88,   1.98,  99.90,  -0.20,
01/17 05Z,   0.30,   1.13,   1.20,  99.90,  -0.23,
01/17 06Z,   0.20,   0.49,   0.55,  99.90,  -0.14,
01/17 07Z,   0.20,   0.06,   0.14,  99.90,  -0.12,
01/17 08Z,   0.20,  -0.09,  -0.06,  99.90,  -0.17,  (min)
01/17 09Z,   0.30,   0.05,   0.20,  99.90,  -0.15,
01/17 10Z,   0.30,   0.46,   0.59,  99.90,  -0.17,
01/17 11Z,   0.30,   1.06,   0.98,  99.90,  -0.38,
01/17 12Z,   0.40,   1.76,   1.63,  99.90,  -0.53,
01/17 13Z,   0.40,   2.45,   2.38,  99.90,  -0.47,
01/17 14Z,   0.40,   3.03,   2.79,  99.90,  -0.64,
01/17 15Z,   0.40,   3.46,   3.25,  99.90,  -0.61,
01/17 16Z,   0.40,   3.72,   3.54,  99.90,  -0.58,
01/17 17Z,   0.30,   3.85,   3.77,  99.90,  -0.38,
01/17 18Z,   0.30,   3.90,   3.84,  99.90,  -0.36,
01/17 19Z,   0.30,   3.92,   4.04,  99.90,  -0.18,
01/17 20Z,   0.30,   3.97,   4.17,  99.90,  -0.10,  (max)
01/17 21Z,   0.30,   4.06,   4.13,  99.90,  -0.23,  (min)
01/17 22Z,   0.30,   4.16,   4.21,  99.90,  -0.25,
01/17 23Z,   0.30,   4.22,   4.36,  99.90,  -0.16,  (max)
01/18 00Z,   0.10,   4.18,   4.30,  99.90,   0.02,
01/18 01Z,   0.10,   3.98,   4.09,  99.90,   0.01,
01/18 02Z,   0.10,   3.58,   3.71,  99.90,   0.03,
01/18 03Z,   0.10,   3.01,   3.09,  99.90,  -0.02,
01/18 04Z,   0.10,   2.30,   2.32,  99.90,  -0.08,
01/18 05Z,   0.10,   1.54,   1.46,  99.90,  -0.18,
01/18 06Z,   0.00,   0.84,   0.72,  99.90,  -0.12,
01/18 07Z,   0.00,   0.29,   0.25,  99.90,  -0.04,
01/18 08Z,   0.00,  -0.02,  -0.06,  99.90,  -0.04,
01/18 09Z,   0.00,  -0.05,  -0.13,  99.90,  -0.08,  (min)
01/18 10Z,   0.00,   0.20,  -0.01,  99.90,  -0.21,
01/18 11Z,   0.00,   0.69,   0.39,  99.90,  -0.30,
01/18 12Z,   0.00,   1.33,   0.97,  99.90,  -0.36,
01/18 13Z,   0.00,   2.03,   1.65,  99.90,  -0.38,
01/18 14Z,   0.00,   2.67,   2.26,  99.90,  -0.41,
01/18 15Z,   0.00,   3.20,   2.74,  99.90,  -0.46,
01/18 16Z,   0.00,   3.56,   3.03,  99.90,  -0.53,
01/18 17Z,   0.00,   3.76,   3.32,  99.90,  -0.44,
01/18 18Z,   0.00,   3.84,   3.47,  99.90,  -0.37,
01/18 19Z,   0.00,   3.87,   3.53,  99.90,  -0.34,
01/18 20Z,   0.00,   3.89,   3.55,  99.90,  -0.34,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/18 21Z,   0.00,   3.94,  99.90,   3.60,  -0.33,  (max)
01/18 22Z,  -0.10,   4.02,  99.90,   3.59,  -0.33,  (min)
01/18 23Z,  -0.10,   4.10,  99.90,   3.67,  -0.33,
01/19 00Z,  -0.10,   4.12,  99.90,   3.69,  -0.32,  (max)
01/19 01Z,  -0.10,   4.02,  99.90,   3.59,  -0.32,
01/19 02Z,  -0.10,   3.75,  99.90,   3.33,  -0.32,
01/19 03Z,   0.00,   3.29,  99.90,   2.98,  -0.32,
01/19 04Z,   0.00,   2.68,  99.90,   2.36,  -0.31,
01/19 05Z,   0.00,   1.97,  99.90,   1.66,  -0.31,
01/19 06Z,   0.00,   1.25,  99.90,   0.94,  -0.31,
01/19 07Z,   0.00,   0.62,  99.90,   0.31,  -0.31,
01/19 08Z,   0.00,   0.18,  99.90,  -0.13,  -0.30,
01/19 09Z,   0.00,  -0.02,  99.90,  -0.32,  -0.30,  (min)
01/19 10Z,   0.00,   0.07,  99.90,  -0.23,  -0.30,
01/19 11Z,   0.00,   0.42,  99.90,   0.12,  -0.30,
01/19 12Z,   0.00,   0.98,  99.90,   0.67,  -0.30,
01/19 13Z,   0.00,   1.64,  99.90,   1.34,  -0.30,
01/19 14Z,   0.00,   2.32,  99.90,   2.01,  -0.30,
01/19 15Z,   0.00,   2.91,  99.90,   2.61,  -0.30,
01/19 16Z,   0.00,   3.36,  99.90,   3.05,  -0.30,
01/19 17Z,   0.00,   3.63,  99.90,   3.33,  -0.30,
01/19 18Z,   0.00,   3.76,  99.90,   3.45,  -0.30,  (max)
01/19 19Z,  -0.10,   3.78,  99.90,   3.37,  -0.30,
01/19 20Z,  -0.10,   3.76,  99.90,   3.35,  -0.30,
01/19 21Z,  -0.10,   3.75,  99.90,   3.34,  -0.30,  (min)
01/19 22Z,  -0.10,   3.78,  99.90,   3.37,  -0.30,
01/19 23Z,   0.00,   3.84,  99.90,   3.54,  -0.30,
01/20 00Z,   0.00,   3.89,  99.90,   3.59,  -0.30,  (max)
01/20 01Z,   0.00,   3.88,  99.90,   3.58,  -0.30,
01/20 02Z,   0.00,   3.74,  99.90,   3.44,  -0.30,
01/20 03Z,   0.00,   3.44,  99.90,   3.14,  -0.30,
01/20 04Z,   0.00,   2.97,  99.90,   2.66,  -0.30,
01/20 05Z,   0.00,   2.36,  99.90,   2.05,  -0.30,
01/20 06Z,   0.00,   1.68,  99.90,   1.38,  -0.30,
01/20 07Z,   0.00,   1.03,  99.90,   0.72,  -0.30,
01/20 08Z,   0.00,   0.50,  99.90,   0.20,  -0.30,
01/20 09Z,   0.00,   0.17,  99.90,  -0.13,  -0.30,
01/20 10Z,   0.00,   0.11,  99.90,  -0.20,  -0.30,  (min)
01/20 11Z,   0.00,   0.30,  99.90,   0.00,  -0.30,
01/20 12Z,   0.00,   0.74,  99.90,   0.43,  -0.30,
01/20 13Z,   0.00,   1.33,  99.90,   1.03,  -0.30,
01/20 14Z,   0.10,   2.00,  99.90,   1.80,  -0.30,
01/20 15Z,   0.10,   2.63,  99.90,   2.43,  -0.30,
01/20 16Z,   0.10,   3.15,  99.90,   2.94,  -0.30,
01/20 17Z,   0.10,   3.49,  99.90,   3.29,  -0.30,
01/20 18Z,   0.10,   3.66,  99.90,   3.46,  -0.30,
01/20 19Z,   0.10,   3.68,  99.90,   3.48,  -0.30,  (max)
01/20 20Z,   0.10,   3.61,  99.90,   3.41,  -0.30,
01/20 21Z,   0.10,   3.52,  99.90,   3.32,  -0.30,
01/20 22Z,   0.00,   3.47,  99.90,   3.17,  -0.30,  (min)
01/20 23Z,   0.00,   3.47,  99.90,   3.17,  -0.30,
01/21 00Z,   0.00,   3.52,  99.90,   3.21,  -0.30,
01/21 01Z,   0.00,   3.56,  99.90,   3.26,  -0.30,  (max)
01/21 02Z,   0.00,   3.54,  99.90,   3.24,  -0.30,
01/21 03Z,   0.00,   3.40,  99.90,   3.10,  -0.30,
01/21 04Z,   0.00,   3.11,  99.90,   2.80,  -0.30,
01/21 05Z,  -0.10,   2.66,  99.90,   2.26,  -0.30,
01/21 06Z,  -0.10,   2.10,  99.90,   1.69,  -0.30,
01/21 07Z,  -0.10,   1.49,  99.90,   1.09,  -0.30,
01/21 08Z,  -0.10,   0.94,  99.90,   0.54,  -0.30,
01/21 09Z,  -0.20,   0.53,  99.90,   0.02,  -0.30,
01/21 10Z,  -0.20,   0.32,  99.90,  -0.18,  -0.30,
01/21 11Z,  -0.30,   0.37,  99.90,  -0.23,  -0.30,  (min)
01/21 12Z,  -0.30,   0.66,  99.90,   0.06,  -0.30,
01/21 13Z,  -0.20,   1.16,  99.90,   0.66,  -0.30,
01/21 14Z,  -0.20,   1.77,  99.90,   1.27,  -0.30,
01/21 15Z,  -0.20,   2.40,  99.90,   1.90,  -0.30,
01/21 16Z,  -0.20,   2.96,  99.90,   2.46,  -0.30,
01/21 17Z,  -0.20,   3.36,  99.90,   2.86,  -0.30,
01/21 18Z,  -0.20,   3.57,  99.90,   3.07,  -0.30,
01/21 19Z,  -0.20,   3.60,  99.90,   3.10,  -0.30,  (max)
01/21 20Z,  -0.20,   3.49,  99.90,   2.99,  -0.30,
01/21 21Z,  -0.20,   3.31,  99.90,   2.81,  -0.30,
01/21 22Z,  -0.20,   3.14,  99.90,   2.64,  -0.30,
01/21 23Z,  -0.20,   3.04,  99.90,   2.53,  -0.30,  (min)
01/22 00Z,  -0.10,   3.02,  99.90,   2.61,  -0.30,  (max)
01/22 01Z,  -0.20,   3.06,  99.90,   2.56,  -0.30,  (min)
01/22 02Z,  -0.20,   3.13,  99.90,   2.62,  -0.30,
01/22 03Z,  -0.20,   3.14,  99.90,   2.64,  -0.30,  (max)
01/22 04Z,  -0.20,   3.04,  99.90,   2.54,  -0.30,
01/22 05Z,  -0.20,   2.81,  99.90,   2.31,  -0.30,
01/22 06Z,  -0.10,   2.43,  99.90,   2.03,  -0.30,
01/22 07Z,  -0.10,   1.96,  99.90,   1.56,  -0.30,
01/22 08Z,  -0.10,   1.46,  99.90,   1.06,  -0.30,
01/22 09Z,  -0.10,   1.02,  99.90,   0.62,  -0.30,
01/22 10Z,  -0.10,   0.73,  99.90,   0.32,  -0.30,
01/22 11Z,  -0.20,   0.64,  99.90,   0.14,  -0.30,  (min)
01/22 12Z,  -0.20,   0.79,  99.90,   0.28,  -0.30,