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 Heiden, AK : 10/17/2026 21:23:01 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/16 06Z,   1.00,  11.59,  99.90,  12.59,   0.00,
10/16 07Z,   1.10,  10.32,  99.90,  11.42,   0.00,
10/16 08Z,   1.20,   8.50,  99.90,   9.70,   0.00,
10/16 09Z,   1.30,   6.94,  99.90,   8.24,   0.00,
10/16 10Z,   1.30,   6.57,  99.90,   7.87,   0.00,  (min)
10/16 11Z,   1.30,   7.23,  99.90,   8.53,   0.00,
10/16 12Z,   1.40,   8.02,  99.90,   9.42,   0.00,
10/16 13Z,   1.50,   8.36,  99.90,   9.86,   0.00,  (max)
10/16 14Z,   1.50,   8.30,  99.90,   9.80,   0.00,  (min)
10/16 15Z,   1.60,   8.23,  99.90,   9.83,   0.00,  (max)
10/16 16Z,   1.70,   8.06,  99.90,   9.76,   0.00,
10/16 17Z,   1.80,   7.49,  99.90,   9.29,   0.00,
10/16 18Z,   1.60,   6.35,  99.90,   7.95,   0.00,
10/16 19Z,   1.60,   4.60,  99.90,   6.20,   0.00,
10/16 20Z,   1.60,   2.61,  99.90,   4.21,   0.00,
10/16 21Z,   1.50,   1.32,  99.90,   2.82,   0.00,  (min)
10/16 22Z,   1.50,   1.84,  99.90,   3.34,   0.00,
10/16 23Z,   1.50,   4.19,  99.90,   5.69,   0.00,
10/17 00Z,   1.10,   7.21,  99.90,   8.31,   0.00,
10/17 01Z,   1.00,   9.72,  99.90,  10.72,   0.00,
10/17 02Z,   1.00,  11.28,  99.90,  12.28,   0.00,
10/17 03Z,   0.90,  11.98,  99.90,  12.88,   0.00,
10/17 04Z,   0.80,  12.16,  99.90,  12.96,   0.00,  (max)
10/17 05Z,   0.80,  12.15,  99.90,  12.95,   0.00,
10/17 06Z,   0.50,  11.95,  99.90,  12.45,   0.00,
10/17 07Z,   0.50,  11.25,  99.90,  11.75,   0.00,
10/17 08Z,   0.40,   9.88,  99.90,  10.28,   0.00,
10/17 09Z,   0.40,   8.11,  99.90,   8.51,   0.00,
10/17 10Z,   0.40,   6.83,  99.90,   7.23,   0.00,
10/17 11Z,   0.40,   6.78,  99.90,   7.18,   0.00,  (min)
10/17 12Z,   0.20,   7.51,  99.90,   7.71,   0.00,
10/17 13Z,   0.20,   8.15,  99.90,   8.35,   0.00,
10/17 14Z,   0.20,   8.31,  99.90,   8.51,   0.00,  (max)
10/17 15Z,   0.20,   8.18,  99.90,   8.38,   0.00,
10/17 16Z,   0.20,   8.13,  99.90,   8.33,   0.00,
10/17 17Z,   0.20,   7.89,  99.90,   8.09,   0.00,
10/17 18Z,   0.10,   7.22,  99.90,   7.32,   0.00,
10/17 19Z,   0.10,   5.98,  99.90,   6.08,   0.00,
10/17 20Z,   0.10,   4.24,  99.90,   4.34,   0.00,
10/17 21Z,   0.10,   2.43,  99.90,   2.53,   0.00,
10/17 22Z,   0.10,   1.58,  99.90,   1.68,   0.00,  (min)
10/17 23Z,   0.00,   2.60,  99.90,   2.60,   0.00,
10/18 00Z,   0.00,   5.19,  99.90,   5.19,   0.00,
10/18 01Z,   0.00,   8.05,  99.90,   8.05,   0.00,
10/18 02Z,   0.00,  10.21,  99.90,  10.21,   0.00,
10/18 03Z,   0.00,  11.42,  99.90,  11.42,   0.00,
10/18 04Z,   0.00,  11.91,  99.90,  11.91,   0.00,
10/18 05Z,   0.00,  11.99,  99.90,  11.99,   0.00,  (max)
10/18 06Z,   0.00,  11.95,  99.90,  11.95,   0.00,
10/18 07Z,   0.00,  11.65,  99.90,  11.65,   0.00,
10/18 08Z,   0.10,  10.80,  99.90,  10.90,   0.00,
10/18 09Z,   0.00,   9.32,  99.90,   9.32,   0.00,
10/18 10Z,   0.00,   7.64,  99.90,   7.64,   0.00,
10/18 11Z,   0.00,   6.67,  99.90,   6.67,   0.00,  (min)
10/18 12Z,  -0.10,   6.92,  99.90,   6.82,   0.00,
10/18 13Z,  -0.20,   7.73,  99.90,   7.53,   0.00,
10/18 14Z,  -0.20,   8.25,  99.90,   8.05,   0.00,
10/18 15Z,  -0.10,   8.29,  99.90,   8.19,   0.00,  (max)
10/18 16Z,   0.00,   8.17,  99.90,   8.17,   0.00,  (min)
10/18 17Z,   0.10,   8.12,  99.90,   8.22,   0.00,  (max)
10/18 18Z,   0.20,   7.81,  99.90,   8.01,   0.00,
10/18 19Z,   0.30,   7.04,  99.90,   7.34,   0.00,
10/18 20Z,   0.40,   5.73,  99.90,   6.13,   0.00,
10/18 21Z,   0.40,   4.01,  99.90,   4.41,   0.00,
10/18 22Z,   0.40,   2.43,  99.90,   2.83,   0.00,
10/18 23Z,   0.40,   2.01,  99.90,   2.41,   0.00,  (min)
10/19 00Z,   0.40,   3.46,  99.90,   3.86,   0.00,
10/19 01Z,   0.40,   6.15,  99.90,   6.55,   0.00,
10/19 02Z,   0.50,   8.78,  99.90,   9.28,   0.00,
10/19 03Z,   0.50,  10.58,  99.90,  11.08,   0.00,
10/19 04Z,   0.70,  11.48,  99.90,  12.18,   0.00,
10/19 05Z,   0.80,  11.78,  99.90,  12.58,   0.00,
10/19 06Z,   0.90,  11.80,  99.90,  12.70,   0.00,  (max)
10/19 07Z,   0.90,  11.70,  99.90,  12.60,   0.00,
10/19 08Z,   0.80,  11.25,  99.90,  12.05,   0.00,
10/19 09Z,   0.80,  10.22,  99.90,  11.02,   0.00,
10/19 10Z,   0.60,   8.63,  99.90,   9.23,   0.00,
10/19 11Z,   0.50,   7.06,  99.90,   7.56,   0.00,
10/19 12Z,   0.40,   6.45,  99.90,   6.85,   0.00,  (min)
10/19 13Z,   0.40,   6.99,  99.90,   7.39,   0.00,
10/19 14Z,   0.30,   7.87,  99.90,   8.17,   0.00,
10/19 15Z,   0.30,   8.33,  99.90,   8.63,   0.00,
10/19 16Z,   0.30,   8.34,  99.90,   8.64,   0.00,  (max)
10/19 17Z,   0.30,   8.26,  99.90,   8.56,   0.00,  (min)
10/19 18Z,   0.40,   8.18,  99.90,   8.58,   0.00,  (max)
10/19 19Z,   0.40,   7.82,  99.90,   8.22,   0.00,
10/19 20Z,   0.40,   6.98,  99.90,   7.38,   0.00,
10/19 21Z,   0.30,   5.62,  99.90,   5.92,   0.00,
10/19 22Z,   0.30,   3.96,  99.90,   4.26,   0.00,
10/19 23Z,   0.20,   2.63,  99.90,   2.83,   0.00,
10/20 00Z,   0.20,   2.63,  99.90,   2.83,   0.00,  (min)
10/20 01Z,   0.10,   4.40,  99.90,   4.50,   0.00,
10/20 02Z,   0.10,   7.08,  99.90,   7.18,   0.00,
10/20 03Z,   0.00,   9.40,  99.90,   9.40,   0.00,
10/20 04Z,   0.00,  10.82,  99.90,  10.82,   0.00,
10/20 05Z,   0.10,  11.44,  99.90,  11.54,   0.00,
10/20 06Z,   0.20,  11.60,  99.90,  11.80,   0.00,  (max)
10/20 07Z,   0.20,  11.58,  99.90,  11.78,   0.00,
10/20 08Z,   0.30,  11.37,  99.90,  11.67,   0.00,
10/20 09Z,   0.40,  10.71,  99.90,  11.11,   0.00,
10/20 10Z,   0.40,   9.45,  99.90,   9.85,   0.00,
10/20 11Z,   0.50,   7.77,  99.90,   8.27,   0.00,
10/20 12Z,   0.60,   6.37,  99.90,   6.97,   0.00,
10/20 13Z,   0.70,   6.12,  99.90,   6.82,   0.00,  (min)
10/20 14Z,   0.90,   6.97,  99.90,   7.87,   0.00,
10/20 15Z,   1.00,   7.97,  99.90,   8.97,   0.00,
10/20 16Z,   1.30,   8.44,  99.90,   9.74,   0.00,
10/20 17Z,   1.50,   8.47,  99.90,   9.97,   0.00,
10/20 18Z,   1.70,   8.42,  99.90,  10.12,   0.00,
10/20 19Z,   2.00,   8.33,  99.90,  10.33,   0.00,  (max)
10/20 20Z,   2.20,   7.94,  99.90,  10.14,   0.00,
10/20 21Z,   2.40,   7.06,  99.90,   9.46,   0.00,
10/20 22Z,   2.50,   5.70,  99.90,   8.20,   0.00,
10/20 23Z,   2.50,   4.13,  99.90,   6.63,   0.00,
10/21 00Z,   2.60,   3.06,  99.90,   5.66,   0.00,  (min)
10/21 01Z,   2.60,   3.42,  99.90,   6.02,   0.00,
10/21 02Z,   2.60,   5.39,  99.90,   7.99,   0.00,
10/21 03Z,   2.50,   7.92,  99.90,  10.42,   0.00,
10/21 04Z,   2.40,   9.88,  99.90,  12.28,   0.00,
10/21 05Z,   2.30,  10.93,  99.90,  13.23,   0.00,
10/21 06Z,   2.20,  11.31,  99.90,  13.51,   0.00,  (max)
10/21 07Z,   2.00,  11.37,  99.90,  13.37,   0.00,
10/21 08Z,   1.80,  11.29,  99.90,  13.09,   0.00,
10/21 09Z,   1.50,  10.90,  99.90,  12.40,   0.00,
10/21 10Z,   1.30,   9.96,  99.90,  11.26,   0.00,
10/21 11Z,   1.20,   8.46,  99.90,   9.66,   0.00,
10/21 12Z,   1.10,   6.71,  99.90,   7.81,   0.00,
10/21 13Z,  99.90,   5.54,  99.90,  99.90,   0.00,
10/21 14Z,  99.90,   5.72,  99.90,  99.90,   0.00,
10/21 15Z,  99.90,   6.93,  99.90,  99.90,   0.00,
10/21 16Z,  99.90,   8.08,  99.90,  99.90,   0.00,
10/21 17Z,  99.90,   8.63,  99.90,  99.90,   0.00,
10/21 18Z,  99.90,   8.71,  99.90,  99.90,   0.00,