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
#Port Clarence, AK : 08/16/2026 21:21:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/15 06Z,   0.00,   6.27,  99.90,   6.27,   0.00,
08/15 07Z,   0.00,   4.27,  99.90,   4.27,   0.00,
08/15 08Z,   0.00,   2.29,  99.90,   2.29,   0.00,
08/15 09Z,   0.00,   0.82,  99.90,   0.82,   0.00,
08/15 10Z,   0.00,   0.29,  99.90,   0.29,   0.00,  (min)
08/15 11Z,   0.00,   0.90,  99.90,   0.90,   0.00,
08/15 12Z,  -0.10,   2.61,  99.90,   2.51,   0.00,
08/15 13Z,  -0.10,   5.04,  99.90,   4.94,   0.00,
08/15 14Z,  -0.10,   7.39,  99.90,   7.29,   0.00,
08/15 15Z,  -0.10,   8.84,  99.90,   8.74,   0.00,
08/15 16Z,  -0.10,   9.09,  99.90,   8.99,   0.00,  (max)
08/15 17Z,  -0.10,   8.24,  99.90,   8.14,   0.00,
08/15 18Z,  -0.10,   6.55,  99.90,   6.45,   0.00,
08/15 19Z,  -0.10,   4.35,  99.90,   4.25,   0.00,
08/15 20Z,  -0.10,   2.05,  99.90,   1.95,   0.00,
08/15 21Z,  -0.10,   0.16,  99.90,   0.06,   0.00,
08/15 22Z,  -0.10,  -0.85,  99.90,  -0.95,   0.00,  (min)
08/15 23Z,  -0.10,  -0.68,  99.90,  -0.78,   0.00,
08/16 00Z,   0.00,   0.70,  99.90,   0.70,   0.00,
08/16 01Z,   0.00,   3.04,  99.90,   3.04,   0.00,
08/16 02Z,   0.00,   5.68,  99.90,   5.68,   0.00,
08/16 03Z,   0.00,   7.77,  99.90,   7.77,   0.00,
08/16 04Z,   0.00,   8.73,  99.90,   8.73,   0.00,  (max)
08/16 05Z,   0.00,   8.55,  99.90,   8.55,   0.00,
08/16 06Z,   0.00,   7.43,  99.90,   7.43,   0.00,
08/16 07Z,   0.10,   5.66,  99.90,   5.76,   0.00,
08/16 08Z,   0.10,   3.62,  99.90,   3.72,   0.00,
08/16 09Z,   0.10,   1.75,  99.90,   1.85,   0.00,
08/16 10Z,   0.10,   0.51,  99.90,   0.61,   0.00,
08/16 11Z,   0.10,   0.28,  99.90,   0.38,   0.00,  (min)
08/16 12Z,   0.20,   1.14,  99.90,   1.34,   0.00,
08/16 13Z,   0.20,   2.96,  99.90,   3.16,   0.00,
08/16 14Z,   0.20,   5.25,  99.90,   5.45,   0.00,
08/16 15Z,   0.20,   7.23,  99.90,   7.43,   0.00,
08/16 16Z,   0.20,   8.25,  99.90,   8.45,   0.00,  (max)
08/16 17Z,   0.20,   8.18,  99.90,   8.38,   0.00,
08/16 18Z,   0.20,   7.19,  99.90,   7.39,   0.00,
08/16 19Z,   0.20,   5.57,  99.90,   5.77,   0.00,
08/16 20Z,   0.20,   3.61,  99.90,   3.81,   0.00,
08/16 21Z,   0.30,   1.71,  99.90,   2.01,   0.00,
08/16 22Z,   0.30,   0.34,  99.90,   0.64,   0.00,
08/16 23Z,   0.20,  -0.11,  99.90,   0.09,   0.00,  (min)
08/17 00Z,   0.20,   0.56,  99.90,   0.76,   0.00,
08/17 01Z,   0.20,   2.24,  99.90,   2.44,   0.00,
08/17 02Z,   0.30,   4.57,  99.90,   4.87,   0.00,
08/17 03Z,   0.30,   6.87,  99.90,   7.17,   0.00,
08/17 04Z,   0.30,   8.38,  99.90,   8.68,   0.00,
08/17 05Z,   0.30,   8.78,  99.90,   9.08,   0.00,  (max)
08/17 06Z,   0.30,   8.17,  99.90,   8.47,   0.00,
08/17 07Z,   0.30,   6.82,  99.90,   7.12,   0.00,
08/17 08Z,   0.20,   5.00,  99.90,   5.20,   0.00,
08/17 09Z,   0.20,   3.07,  99.90,   3.27,   0.00,
08/17 10Z,   0.10,   1.43,  99.90,   1.53,   0.00,
08/17 11Z,   0.00,   0.51,  99.90,   0.51,   0.00,  (min)
08/17 12Z,   0.00,   0.55,  99.90,   0.55,   0.00,
08/17 13Z,  -0.10,   1.56,  99.90,   1.46,   0.00,
08/17 14Z,  -0.10,   3.30,  99.90,   3.20,   0.00,
08/17 15Z,  -0.10,   5.29,  99.90,   5.19,   0.00,
08/17 16Z,   0.00,   6.81,  99.90,   6.81,   0.00,
08/17 17Z,   0.00,   7.42,  99.90,   7.42,   0.00,  (max)
08/17 18Z,   0.00,   7.13,  99.90,   7.13,   0.00,
08/17 19Z,   0.00,   6.15,  99.90,   6.15,   0.00,
08/17 20Z,  -0.10,   4.74,  99.90,   4.64,   0.00,
08/17 21Z,  -0.10,   3.15,  99.90,   3.05,   0.00,
08/17 22Z,  -0.10,   1.74,  99.90,   1.64,   0.00,
08/17 23Z,  -0.20,   0.90,  99.90,   0.70,   0.00,  (min)
08/18 00Z,  -0.20,   0.96,  99.90,   0.76,   0.00,
08/18 01Z,  -0.10,   1.98,  99.90,   1.88,   0.00,
08/18 02Z,  -0.10,   3.74,  99.90,   3.64,   0.00,
08/18 03Z,   0.00,   5.83,  99.90,   5.83,   0.00,
08/18 04Z,   0.00,   7.60,  99.90,   7.60,   0.00,
08/18 05Z,   0.00,   8.52,  99.90,   8.52,   0.00,  (max)
08/18 06Z,   0.00,   8.45,  99.90,   8.45,   0.00,
08/18 07Z,   0.00,   7.59,  99.90,   7.59,   0.00,
08/18 08Z,   0.00,   6.17,  99.90,   6.17,   0.00,
08/18 09Z,   0.00,   4.44,  99.90,   4.44,   0.00,
08/18 10Z,   0.00,   2.73,  99.90,   2.73,   0.00,
08/18 11Z,   0.00,   1.39,  99.90,   1.39,   0.00,
08/18 12Z,   0.00,   0.77,  99.90,   0.77,   0.00,  (min)
08/18 13Z,   0.10,   1.00,  99.90,   1.10,   0.00,
08/18 14Z,   0.10,   2.00,  99.90,   2.10,   0.00,
08/18 15Z,   0.10,   3.51,  99.90,   3.61,   0.00,
08/18 16Z,   0.10,   5.09,  99.90,   5.19,   0.00,
08/18 17Z,   0.10,   6.18,  99.90,   6.28,   0.00,
08/18 18Z,   0.10,   6.49,  99.90,   6.59,   0.00,  (max)
08/18 19Z,   0.10,   6.12,  99.90,   6.22,   0.00,
08/18 20Z,   0.10,   5.29,  99.90,   5.39,   0.00,
08/18 21Z,   0.10,   4.19,  99.90,   4.29,   0.00,
08/18 22Z,   0.10,   3.04,  99.90,   3.14,   0.00,
08/18 23Z,   0.10,   2.12,  99.90,   2.22,   0.00,
08/19 00Z,   0.00,   1.76,  99.90,   1.76,   0.00,  (min)
08/19 01Z,   0.00,   2.18,  99.90,   2.18,   0.00,
08/19 02Z,   0.00,   3.33,  99.90,   3.33,   0.00,
08/19 03Z,   0.10,   4.94,  99.90,   5.04,   0.00,
08/19 04Z,   0.00,   6.62,  99.90,   6.62,   0.00,
08/19 05Z,   0.00,   7.86,  99.90,   7.86,   0.00,
08/19 06Z,   0.00,   8.30,  99.90,   8.30,   0.00,  (max)
08/19 07Z,   0.00,   7.93,  99.90,   7.93,   0.00,
08/19 08Z,   0.00,   6.96,  99.90,   6.96,   0.00,
08/19 09Z,   0.00,   5.62,  99.90,   5.62,   0.00,
08/19 10Z,   0.00,   4.09,  99.90,   4.09,   0.00,
08/19 11Z,   0.00,   2.65,  99.90,   2.65,   0.00,
08/19 12Z,   0.00,   1.60,  99.90,   1.60,   0.00,
08/19 13Z,   0.00,   1.19,  99.90,   1.19,   0.00,  (min)
08/19 14Z,   0.00,   1.46,  99.90,   1.46,   0.00,
08/19 15Z,   0.00,   2.29,  99.90,   2.29,   0.00,
08/19 16Z,   0.00,   3.49,  99.90,   3.49,   0.00,
08/19 17Z,   0.00,   4.68,  99.90,   4.68,   0.00,
08/19 18Z,   0.00,   5.44,  99.90,   5.44,   0.00,
08/19 19Z,   0.00,   5.61,  99.90,   5.61,   0.00,  (max)
08/19 20Z,   0.00,   5.31,  99.90,   5.31,   0.00,
08/19 21Z,   0.00,   4.73,  99.90,   4.73,   0.00,
08/19 22Z,   0.00,   4.00,  99.90,   4.00,   0.00,
08/19 23Z,   0.00,   3.27,  99.90,   3.27,   0.00,
08/20 00Z,   0.00,   2.75,  99.90,   2.75,   0.00,
08/20 01Z,   0.00,   2.72,  99.90,   2.72,   0.00,  (min)
08/20 02Z,   0.00,   3.30,  99.90,   3.30,   0.00,
08/20 03Z,   0.00,   4.36,  99.90,   4.36,   0.00,
08/20 04Z,   0.10,   5.67,  99.90,   5.77,   0.00,
08/20 05Z,   0.10,   6.93,  99.90,   7.03,   0.00,
08/20 06Z,   0.10,   7.75,  99.90,   7.85,   0.00,
08/20 07Z,   0.10,   7.88,  99.90,   7.98,   0.00,  (max)
08/20 08Z,   0.10,   7.39,  99.90,   7.49,   0.00,
08/20 09Z,   0.10,   6.48,  99.90,   6.58,   0.00,
08/20 10Z,   0.10,   5.29,  99.90,   5.39,   0.00,
08/20 11Z,   0.10,   3.99,  99.90,   4.09,   0.00,
08/20 12Z,   0.20,   2.79,  99.90,   2.99,   0.00,
08/20 13Z,  99.90,   1.94,  99.90,  99.90,   0.00,
08/20 14Z,  99.90,   1.60,  99.90,  99.90,   0.00,
08/20 15Z,  99.90,   1.76,  99.90,  99.90,   0.00,
08/20 16Z,  99.90,   2.34,  99.90,  99.90,   0.00,
08/20 17Z,  99.90,   3.21,  99.90,  99.90,   0.00,
08/20 18Z,  99.90,   4.13,  99.90,  99.90,   0.00,