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.

	Port Heiden, AK

	Egegik, AK

	Naknek, AK

	Clark's Pt, AK

	Goodnews Bay

	Quinhagak, AK

	Kuskokwak, AK

	Eek, Apokak, AK

	Popokamute, AK

	Scammon Bay AK

	St. Lawrence, AK

	Kwikluak, AK

	Kawanak, AK

	Apoon, Yukon, AK

	St. Michaels, AK

	Golovin, AK

	Nome, AK

	Port Clarence, AK

	Kotzebue, AK

	Pt. Barrow, AK

	Prudhoe Bay, AK

	St. Paul Island AK
#Unalaska, AK : 01/21/2026 19:23:21 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/20 00Z,  -0.10,   0.29,   0.01,  99.90,  -0.18,  (max)
01/20 01Z,  -0.10,   0.28,  -0.01,  99.90,  -0.19,
01/20 02Z,   0.00,   0.14,  -0.15,  99.90,  -0.29,
01/20 03Z,   0.00,  -0.16,  -0.53,  99.90,  -0.37,
01/20 04Z,   0.00,  -0.63,  -0.95,  99.90,  -0.32,
01/20 05Z,   0.00,  -1.24,  -1.55,  99.90,  -0.31,
01/20 06Z,  -0.10,  -1.92,  -2.33,  99.90,  -0.31,
01/20 07Z,   0.00,  -2.57,  -2.92,  99.90,  -0.35,
01/20 08Z,   0.00,  -3.10,  -3.51,  99.90,  -0.41,
01/20 09Z,   0.00,  -3.43,  -3.75,  99.90,  -0.32,
01/20 10Z,   0.00,  -3.49,  -3.86,  99.90,  -0.37,  (min)
01/20 11Z,   0.00,  -3.30,  -3.78,  99.90,  -0.48,
01/20 12Z,   0.00,  -2.86,  -3.32,  99.90,  -0.46,
01/20 13Z,   0.00,  -2.27,  -2.78,  99.90,  -0.51,
01/20 14Z,   0.00,  -1.60,  -2.18,  99.90,  -0.58,
01/20 15Z,   0.00,  -0.97,  -1.70,  99.90,  -0.73,
01/20 16Z,   0.10,  -0.45,  -1.10,  99.90,  -0.75,
01/20 17Z,   0.10,  -0.11,  -0.72,  99.90,  -0.71,
01/20 18Z,   0.00,   0.06,  -0.63,  99.90,  -0.69,
01/20 19Z,   0.00,   0.08,  -0.57,  99.90,  -0.65,  (max)
01/20 20Z,   0.00,   0.01,  -0.60,  99.90,  -0.61,
01/20 21Z,   0.00,  -0.08,  -0.62,  99.90,  -0.54,
01/20 22Z,   0.00,  -0.13,  -0.75,  99.90,  -0.62,  (min)
01/20 23Z,   0.10,  -0.13,  -0.74,  99.90,  -0.71,
01/21 00Z,   0.00,  -0.08,  -0.70,  99.90,  -0.62,
01/21 01Z,   0.00,  -0.04,  -0.57,  99.90,  -0.53,  (max)
01/21 02Z,   0.00,  -0.06,  -0.61,  99.90,  -0.55,
01/21 03Z,   0.00,  -0.20,  -0.77,  99.90,  -0.57,
01/21 04Z,  -0.10,  -0.49,  -1.06,  99.90,  -0.47,
01/21 05Z,  -0.10,  -0.94,  -1.48,  99.90,  -0.44,
01/21 06Z,  -0.20,  -1.50,  -2.06,  99.90,  -0.36,
01/21 07Z,  -0.20,  -2.11,  -2.73,  99.90,  -0.42,
01/21 08Z,  -0.20,  -2.66,  -3.16,  99.90,  -0.30,
01/21 09Z,  -0.20,  -3.07,  -3.64,  99.90,  -0.37,
01/21 10Z,  -0.30,  -3.28,  -4.01,  99.90,  -0.43,  (min)
01/21 11Z,  -0.30,  -3.23,  -3.99,  99.90,  -0.46,
01/21 12Z,  -0.40,  -2.94,  -3.58,  99.90,  -0.24,
01/21 13Z,  -0.40,  -2.44,  -3.18,  99.90,  -0.34,
01/21 14Z,  -0.40,  -1.83,  -2.54,  99.90,  -0.31,
01/21 15Z,  -0.30,  -1.20,  -1.95,  99.90,  -0.45,
01/21 16Z,  -0.30,  -0.64,  -1.53,  99.90,  -0.59,
01/21 17Z,  -0.30,  -0.24,  -1.19,  99.90,  -0.65,
01/21 18Z,  -0.30,  -0.03,  -0.90,  99.90,  -0.57,
01/21 19Z,  -0.30,  -0.00,  -0.83,  99.90,  -0.53,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 20Z,  -0.30,  -0.11,  99.90,  -0.92,  -0.51,
01/21 21Z,  -0.30,  -0.29,  99.90,  -1.09,  -0.50,
01/21 22Z,  -0.30,  -0.46,  99.90,  -1.24,  -0.48,
01/21 23Z,  -0.30,  -0.56,  99.90,  -1.33,  -0.46,
01/22 00Z,  -0.30,  -0.58,  99.90,  -1.33,  -0.45,  (min)
01/22 01Z,  -0.30,  -0.54,  99.90,  -1.27,  -0.43,
01/22 02Z,  -0.30,  -0.47,  99.90,  -1.19,  -0.42,
01/22 03Z,  -0.30,  -0.46,  99.90,  -1.16,  -0.40,  (max)
01/22 04Z,  -0.30,  -0.56,  99.90,  -1.24,  -0.38,
01/22 05Z,  -0.30,  -0.79,  99.90,  -1.46,  -0.37,
01/22 06Z,  -0.30,  -1.17,  99.90,  -1.82,  -0.35,
01/22 07Z,  -0.30,  -1.64,  99.90,  -2.28,  -0.33,
01/22 08Z,  -0.40,  -2.14,  99.90,  -2.88,  -0.33,
01/22 09Z,  -0.30,  -2.58,  99.90,  -3.21,  -0.33,
01/22 10Z,  -0.40,  -2.87,  99.90,  -3.61,  -0.33,
01/22 11Z,  -0.40,  -2.96,  99.90,  -3.69,  -0.33,  (min)
01/22 12Z,  -0.40,  -2.81,  99.90,  -3.55,  -0.33,
01/22 13Z,  -0.40,  -2.45,  99.90,  -3.18,  -0.33,
01/22 14Z,  -0.40,  -1.92,  99.90,  -2.66,  -0.33,
01/22 15Z,  -0.40,  -1.33,  99.90,  -2.06,  -0.33,
01/22 16Z,  -0.30,  -0.76,  99.90,  -1.40,  -0.33,
01/22 17Z,  -0.40,  -0.32,  99.90,  -1.05,  -0.33,
01/22 18Z,  -0.40,  -0.07,  99.90,  -0.80,  -0.33,
01/22 19Z,  -0.40,  -0.03,  99.90,  -0.76,  -0.33,  (max)
01/22 20Z,  -0.40,  -0.17,  99.90,  -0.90,  -0.33,
01/22 21Z,  -0.50,  -0.44,  99.90,  -1.27,  -0.33,
01/22 22Z,  -0.50,  -0.74,  99.90,  -1.57,  -0.33,
01/22 23Z,  -0.50,  -0.99,  99.90,  -1.82,  -0.33,
01/23 00Z,  -0.50,  -1.14,  99.90,  -1.97,  -0.33,  (min)
01/23 01Z,  -0.40,  -1.16,  99.90,  -1.89,  -0.33,
01/23 02Z,  -0.40,  -1.08,  99.90,  -1.81,  -0.33,
01/23 03Z,  -0.40,  -0.95,  99.90,  -1.69,  -0.33,
01/23 04Z,  -0.40,  -0.86,  99.90,  -1.60,  -0.33,
01/23 05Z,  -0.30,  -0.86,  99.90,  -1.50,  -0.33,  (max)
01/23 06Z,  -0.30,  -1.00,  99.90,  -1.63,  -0.33,
01/23 07Z,  -0.40,  -1.26,  99.90,  -2.00,  -0.33,
01/23 08Z,  -0.30,  -1.62,  99.90,  -2.26,  -0.33,
01/23 09Z,  -0.30,  -2.00,  99.90,  -2.64,  -0.33,
01/23 10Z,  -0.30,  -2.33,  99.90,  -2.96,  -0.33,
01/23 11Z,  -0.40,  -2.51,  99.90,  -3.24,  -0.33,
01/23 12Z,  -0.50,  -2.49,  99.90,  -3.33,  -0.33,  (min)
01/23 13Z,  -0.50,  -2.27,  99.90,  -3.10,  -0.33,
01/23 14Z,  -0.30,  -1.86,  99.90,  -2.50,  -0.33,
01/23 15Z,  -0.20,  -1.34,  99.90,  -1.87,  -0.33,
01/23 16Z,  -0.20,  -0.79,  99.90,  -1.33,  -0.33,
01/23 17Z,  -0.20,  -0.33,  99.90,  -0.86,  -0.33,
01/23 18Z,  -0.20,  -0.03,  99.90,  -0.57,  -0.33,
01/23 19Z,  -0.20,   0.04,  99.90,  -0.50,  -0.33,  (max)
01/23 20Z,  -0.20,  -0.12,  99.90,  -0.65,  -0.33,
01/23 21Z,  -0.10,  -0.45,  99.90,  -0.89,  -0.33,
01/23 22Z,  -0.10,  -0.88,  99.90,  -1.32,  -0.33,
01/23 23Z,  -0.10,  -1.31,  99.90,  -1.75,  -0.33,
01/24 00Z,  -0.10,  -1.64,  99.90,  -2.07,  -0.33,
01/24 01Z,  -0.10,  -1.81,  99.90,  -2.24,  -0.33,
01/24 02Z,  -0.20,  -1.80,  99.90,  -2.33,  -0.33,  (min)
01/24 03Z,  -0.20,  -1.64,  99.90,  -2.18,  -0.33,
01/24 04Z,  -0.20,  -1.42,  99.90,  -1.95,  -0.33,
01/24 05Z,  -0.20,  -1.20,  99.90,  -1.74,  -0.33,
01/24 06Z,  -0.10,  -1.07,  99.90,  -1.51,  -0.33,  (max)
01/24 07Z,  -0.10,  -1.07,  99.90,  -1.51,  -0.33,
01/24 08Z,  -0.10,  -1.21,  99.90,  -1.65,  -0.33,
01/24 09Z,  -0.10,  -1.45,  99.90,  -1.88,  -0.33,
01/24 10Z,  -0.10,  -1.72,  99.90,  -2.15,  -0.33,
01/24 11Z,   0.00,  -1.93,  99.90,  -2.26,  -0.33,
01/24 12Z,   0.00,  -2.02,  99.90,  -2.35,  -0.33,  (min)
01/24 13Z,   0.00,  -1.93,  99.90,  -2.26,  -0.33,
01/24 14Z,   0.00,  -1.65,  99.90,  -1.99,  -0.33,
01/24 15Z,   0.00,  -1.23,  99.90,  -1.56,  -0.33,
01/24 16Z,   0.00,  -0.73,  99.90,  -1.07,  -0.33,
01/24 17Z,   0.00,  -0.26,  99.90,  -0.60,  -0.33,
01/24 18Z,   0.00,   0.08,  99.90,  -0.26,  -0.33,
01/24 19Z,  -0.10,   0.20,  99.90,  -0.23,  -0.33,  (max)
01/24 20Z,  -0.10,   0.08,  99.90,  -0.36,  -0.33,
01/24 21Z,  -0.10,  -0.29,  99.90,  -0.72,  -0.33,
01/24 22Z,  -0.10,  -0.82,  99.90,  -1.26,  -0.33,
01/24 23Z,  -0.10,  -1.42,  99.90,  -1.86,  -0.33,
01/25 00Z,  -0.10,  -1.96,  99.90,  -2.40,  -0.33,
01/25 01Z,  -0.10,  -2.35,  99.90,  -2.78,  -0.33,
01/25 02Z,   0.00,  -2.51,  99.90,  -2.84,  -0.33,  (min)
01/25 03Z,   0.00,  -2.43,  99.90,  -2.77,  -0.33,
01/25 04Z,   0.00,  -2.17,  99.90,  -2.51,  -0.33,
01/25 05Z,   0.00,  -1.81,  99.90,  -2.15,  -0.33,
01/25 06Z,   0.00,  -1.45,  99.90,  -1.78,  -0.33,
01/25 07Z,  -0.10,  -1.17,  99.90,  -1.60,  -0.33,
01/25 08Z,  -0.10,  -1.03,  99.90,  -1.46,  -0.33,  (max)
01/25 09Z,  -0.10,  -1.04,  99.90,  -1.47,  -0.33,
01/25 10Z,  -0.20,  -1.16,  99.90,  -1.70,  -0.33,
01/25 11Z,  -0.20,  -1.33,  99.90,  -1.87,  -0.33,
01/25 12Z,  -0.10,  -1.46,  99.90,  -1.89,  -0.33,