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 : 10/12/2026 00:21:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/10 06Z,   2.30,   1.87,  99.90,   4.17,   0.00,
10/10 07Z,   2.30,   0.33,  99.90,   2.63,   0.00,
10/10 08Z,   2.40,  -0.30,  99.90,   2.10,   0.00,  (min)
10/10 09Z,   2.40,   0.18,  99.90,   2.58,   0.00,
10/10 10Z,   2.40,   1.79,  99.90,   4.19,   0.00,
10/10 11Z,   2.50,   4.17,  99.90,   6.67,   0.00,
10/10 12Z,   2.40,   6.49,  99.90,   8.89,   0.00,
10/10 13Z,   2.40,   7.99,  99.90,  10.39,   0.00,
10/10 14Z,   2.50,   8.43,  99.90,  10.93,   0.00,  (max)
10/10 15Z,   2.70,   7.86,  99.90,  10.56,   0.00,
10/10 16Z,   2.80,   6.49,  99.90,   9.29,   0.00,
10/10 17Z,   2.80,   4.65,  99.90,   7.45,   0.00,
10/10 18Z,   2.70,   2.77,  99.90,   5.47,   0.00,
10/10 19Z,   2.80,   1.30,  99.90,   4.10,   0.00,
10/10 20Z,   2.80,   0.66,  99.90,   3.46,   0.00,  (min)
10/10 21Z,   2.90,   1.10,  99.90,   4.00,   0.00,
10/10 22Z,   2.90,   2.65,  99.90,   5.55,   0.00,
10/10 23Z,   2.90,   5.02,  99.90,   7.92,   0.00,
10/11 00Z,   2.70,   7.46,  99.90,  10.16,   0.00,
10/11 01Z,   2.70,   9.11,  99.90,  11.81,   0.00,  0.25 ft above HAT
10/11 02Z,   2.70,   9.61,  99.90,  12.31,   0.00,  0.75 ft above HAT  (max)
10/11 03Z,   2.70,   9.00,  99.90,  11.70,   0.00,  0.14 ft above HAT
10/11 04Z,   2.70,   7.47,  99.90,  10.17,   0.00,
10/11 05Z,   2.60,   5.31,  99.90,   7.91,   0.00,
10/11 06Z,   2.40,   2.95,  99.90,   5.35,   0.00,
10/11 07Z,   2.40,   0.89,  99.90,   3.29,   0.00,
10/11 08Z,   2.40,  -0.41,  99.90,   1.99,   0.00,
10/11 09Z,   2.40,  -0.65,  99.90,   1.75,   0.00,  (min)
10/11 10Z,   2.40,   0.29,  99.90,   2.69,   0.00,
10/11 11Z,   2.30,   2.29,  99.90,   4.59,   0.00,
10/11 12Z,   2.20,   4.80,  99.90,   7.00,   0.00,
10/11 13Z,   2.20,   6.94,  99.90,   9.14,   0.00,
10/11 14Z,   2.20,   8.10,  99.90,  10.30,   0.00,
10/11 15Z,   2.20,   8.20,  99.90,  10.40,   0.00,  (max)
10/11 16Z,   2.20,   7.39,  99.90,   9.59,   0.00,
10/11 17Z,   2.10,   5.91,  99.90,   8.01,   0.00,
10/11 18Z,   2.10,   4.12,  99.90,   6.22,   0.00,
10/11 19Z,   2.00,   2.45,  99.90,   4.45,   0.00,
10/11 20Z,   2.00,   1.36,  99.90,   3.36,   0.00,
10/11 21Z,   2.00,   1.20,  99.90,   3.20,   0.00,  (min)
10/11 22Z,   2.00,   2.16,  99.90,   4.16,   0.00,
10/11 23Z,   1.90,   4.10,  99.90,   6.00,   0.00,
10/12 00Z,   1.90,   6.55,  99.90,   8.45,   0.00,
10/12 01Z,   1.80,   8.65,  99.90,  10.45,   0.00,
10/12 02Z,   1.80,   9.71,  99.90,  11.51,   0.00,  (max)
10/12 03Z,   1.80,   9.61,  99.90,  11.41,   0.00,
10/12 04Z,   1.70,   8.50,  99.90,  10.20,   0.00,
10/12 05Z,   1.60,   6.61,  99.90,   8.21,   0.00,
10/12 06Z,   1.60,   4.29,  99.90,   5.89,   0.00,
10/12 07Z,   1.60,   1.97,  99.90,   3.57,   0.00,
10/12 08Z,   1.60,   0.14,  99.90,   1.74,   0.00,
10/12 09Z,   1.60,  -0.76,  99.90,   0.84,   0.00,  (min)
10/12 10Z,   1.60,  -0.53,  99.90,   1.07,   0.00,
10/12 11Z,   1.60,   0.84,  99.90,   2.44,   0.00,
10/12 12Z,   1.50,   3.06,  99.90,   4.56,   0.00,
10/12 13Z,   1.50,   5.47,  99.90,   6.97,   0.00,
10/12 14Z,   1.40,   7.24,  99.90,   8.64,   0.00,
10/12 15Z,   1.40,   7.98,  99.90,   9.38,   0.00,  (max)
10/12 16Z,   1.40,   7.75,  99.90,   9.15,   0.00,
10/12 17Z,   1.40,   6.76,  99.90,   8.16,   0.00,
10/12 18Z,   1.30,   5.29,  99.90,   6.59,   0.00,
10/12 19Z,   1.30,   3.68,  99.90,   4.98,   0.00,
10/12 20Z,   1.30,   2.34,  99.90,   3.64,   0.00,
10/12 21Z,   1.20,   1.70,  99.90,   2.90,   0.00,  (min)
10/12 22Z,   1.20,   2.07,  99.90,   3.27,   0.00,
10/12 23Z,   1.10,   3.45,  99.90,   4.55,   0.00,
10/13 00Z,   1.10,   5.57,  99.90,   6.67,   0.00,
10/13 01Z,   1.10,   7.80,  99.90,   8.90,   0.00,
10/13 02Z,   1.00,   9.35,  99.90,  10.35,   0.00,
10/13 03Z,   1.00,   9.78,  99.90,  10.78,   0.00,  (max)
10/13 04Z,   0.90,   9.14,  99.90,  10.04,   0.00,
10/13 05Z,   0.90,   7.66,  99.90,   8.56,   0.00,
10/13 06Z,   0.80,   5.60,  99.90,   6.40,   0.00,
10/13 07Z,   0.80,   3.30,  99.90,   4.10,   0.00,
10/13 08Z,   0.80,   1.19,  99.90,   1.99,   0.00,
10/13 09Z,   0.70,  -0.25,  99.90,   0.45,   0.00,
10/13 10Z,   0.70,  -0.67,  99.90,   0.03,   0.00,  (min)
10/13 11Z,   0.60,   0.01,  99.90,   0.61,   0.00,
10/13 12Z,   0.60,   1.67,  99.90,   2.27,   0.00,
10/13 13Z,   0.60,   3.89,  99.90,   4.49,   0.00,
10/13 14Z,   0.50,   5.98,  99.90,   6.48,   0.00,
10/13 15Z,   0.50,   7.27,  99.90,   7.77,   0.00,
10/13 16Z,   0.40,   7.60,  99.90,   8.00,   0.00,  (max)
10/13 17Z,   0.30,   7.12,  99.90,   7.42,   0.00,
10/13 18Z,   0.20,   6.09,  99.90,   6.29,   0.00,
10/13 19Z,   0.20,   4.74,  99.90,   4.94,   0.00,
10/13 20Z,   0.10,   3.41,  99.90,   3.51,   0.00,
10/13 21Z,   0.10,   2.48,  99.90,   2.58,   0.00,
10/13 22Z,   0.00,   2.33,  99.90,   2.33,   0.00,  (min)
10/13 23Z,   0.00,   3.15,  99.90,   3.15,   0.00,
10/14 00Z,   0.00,   4.77,  99.90,   4.77,   0.00,
10/14 01Z,   0.00,   6.80,  99.90,   6.80,   0.00,
10/14 02Z,   0.00,   8.59,  99.90,   8.59,   0.00,
10/14 03Z,   0.00,   9.52,  99.90,   9.52,   0.00,  (max)
10/14 04Z,   0.00,   9.38,  99.90,   9.38,   0.00,
10/14 05Z,  -0.10,   8.35,  99.90,   8.25,   0.00,
10/14 06Z,  -0.10,   6.67,  99.90,   6.57,   0.00,
10/14 07Z,  -0.10,   4.61,  99.90,   4.51,   0.00,
10/14 08Z,  -0.10,   2.51,  99.90,   2.41,   0.00,
10/14 09Z,  -0.10,   0.76,  99.90,   0.66,   0.00,
10/14 10Z,  -0.10,  -0.22,  99.90,  -0.32,   0.00,  (min)
10/14 11Z,  -0.10,  -0.20,  99.90,  -0.30,   0.00,
10/14 12Z,  -0.10,   0.81,  99.90,   0.71,   0.00,
10/14 13Z,  -0.10,   2.55,  99.90,   2.45,   0.00,
10/14 14Z,  -0.10,   4.56,  99.90,   4.46,   0.00,
10/14 15Z,  -0.10,   6.19,  99.90,   6.09,   0.00,
10/14 16Z,  -0.10,   7.02,  99.90,   6.92,   0.00,
10/14 17Z,  -0.10,   7.03,  99.90,   6.93,   0.00,  (max)
10/14 18Z,  -0.10,   6.43,  99.90,   6.33,   0.00,
10/14 19Z,  -0.10,   5.47,  99.90,   5.37,   0.00,
10/14 20Z,  -0.20,   4.36,  99.90,   4.16,   0.00,
10/14 21Z,  -0.20,   3.37,  99.90,   3.17,   0.00,
10/14 22Z,  -0.20,   2.87,  99.90,   2.67,   0.00,  (min)
10/14 23Z,  -0.20,   3.15,  99.90,   2.95,   0.00,
10/15 00Z,  -0.20,   4.25,  99.90,   4.05,   0.00,
10/15 01Z,  -0.20,   5.88,  99.90,   5.68,   0.00,
10/15 02Z,  -0.20,   7.60,  99.90,   7.40,   0.00,
10/15 03Z,  -0.20,   8.85,  99.90,   8.65,   0.00,
10/15 04Z,  -0.30,   9.21,  99.90,   8.91,   0.00,  (max)
10/15 05Z,  -0.30,   8.67,  99.90,   8.37,   0.00,
10/15 06Z,  -0.40,   7.42,  99.90,   7.02,   0.00,
10/15 07Z,  -0.40,   5.73,  99.90,   5.33,   0.00,
10/15 08Z,  -0.40,   3.84,  99.90,   3.44,   0.00,
10/15 09Z,  -0.40,   2.05,  99.90,   1.65,   0.00,
10/15 10Z,  -0.50,   0.71,  99.90,   0.21,   0.00,
10/15 11Z,  -0.50,   0.16,  99.90,  -0.34,   0.00,  (min)
10/15 12Z,  -0.60,   0.52,  99.90,  -0.08,   0.00,
10/15 13Z,  -0.70,   1.65,  99.90,   0.95,   0.00,
10/15 14Z,  -0.70,   3.26,  99.90,   2.56,   0.00,
10/15 15Z,  -0.80,   4.90,  99.90,   4.10,   0.00,
10/15 16Z,  -0.90,   6.09,  99.90,   5.19,   0.00,
10/15 17Z,  -1.00,   6.55,  99.90,   5.55,   0.00,  (max)
10/15 18Z,  -1.10,   6.38,  99.90,   5.28,   0.00,