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 : 10/16/2026 14:21:11 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 18Z,   0.50,  -4.24,  99.90,  -3.74,   0.00,
10/14 19Z,   0.40,  -6.35,  99.90,  -5.95,   0.00,
10/14 20Z,   0.30,  -6.97,  99.90,  -6.67,   0.00,  (min)
10/14 21Z,   0.20,  -5.39,  99.90,  -5.19,   0.00,
10/14 22Z,   0.10,  -2.38,  99.90,  -2.28,   0.00,
10/14 23Z,   0.00,   0.71,  99.90,   0.71,   0.00,
10/15 00Z,   0.10,   2.98,  99.90,   3.08,   0.00,
10/15 01Z,   0.00,   4.24,  99.90,   4.24,   0.00,
10/15 02Z,   0.10,   4.72,  99.90,   4.82,   0.00,  (max)
10/15 03Z,   0.00,   4.77,  99.90,   4.77,   0.00,
10/15 04Z,   0.00,   4.68,  99.90,   4.68,   0.00,
10/15 05Z,   0.00,   4.20,  99.90,   4.20,   0.00,
10/15 06Z,   0.10,   3.02,  99.90,   3.12,   0.00,
10/15 07Z,   0.10,   1.18,  99.90,   1.28,   0.00,
10/15 08Z,   0.10,  -0.61,  99.90,  -0.51,   0.00,
10/15 09Z,   0.10,  -1.29,  99.90,  -1.19,   0.00,  (min)
10/15 10Z,   0.00,  -0.73,  99.90,  -0.73,   0.00,
10/15 11Z,   0.00,   0.23,  99.90,   0.23,   0.00,
10/15 12Z,   0.10,   0.81,  99.90,   0.91,   0.00,  (max)
10/15 13Z,   0.00,   0.89,  99.90,   0.89,   0.00,  (min)
10/15 14Z,   0.10,   0.82,  99.90,   0.92,   0.00,  (max)
10/15 15Z,   0.20,   0.70,  99.90,   0.90,   0.00,
10/15 16Z,   0.40,   0.23,  99.90,   0.63,   0.00,
10/15 17Z,   0.40,  -0.82,  99.90,  -0.42,   0.00,
10/15 18Z,   0.40,  -2.54,  99.90,  -2.14,   0.00,
10/15 19Z,   0.50,  -4.69,  99.90,  -4.19,   0.00,
10/15 20Z,   0.60,  -6.41,  99.90,  -5.81,   0.00,  (min)
10/15 21Z,   0.70,  -6.44,  99.90,  -5.74,   0.00,
10/15 22Z,   0.70,  -4.43,  99.90,  -3.73,   0.00,
10/15 23Z,   0.80,  -1.36,  99.90,  -0.56,   0.00,
10/16 00Z,   0.60,   1.47,  99.90,   2.07,   0.00,
10/16 01Z,   0.70,   3.39,  99.90,   4.09,   0.00,
10/16 02Z,   0.70,   4.36,  99.90,   5.06,   0.00,
10/16 03Z,   0.80,   4.67,  99.90,   5.47,   0.00,
10/16 04Z,   0.80,   4.68,  99.90,   5.48,   0.00,  (max)
10/16 05Z,   0.90,   4.55,  99.90,   5.45,   0.00,
10/16 06Z,   1.00,   3.97,  99.90,   4.97,   0.00,
10/16 07Z,   1.10,   2.70,  99.90,   3.80,   0.00,
10/16 08Z,   1.20,   0.88,  99.90,   2.08,   0.00,
10/16 09Z,   1.30,  -0.68,  99.90,   0.62,   0.00,
10/16 10Z,   1.30,  -1.05,  99.90,   0.25,   0.00,  (min)
10/16 11Z,   1.30,  -0.39,  99.90,   0.91,   0.00,
10/16 12Z,   1.40,   0.40,  99.90,   1.80,   0.00,
10/16 13Z,   1.50,   0.74,  99.90,   2.24,   0.00,  (max)
10/16 14Z,   1.50,   0.68,  99.90,   2.18,   0.00,  (min)
10/16 15Z,   1.60,   0.61,  99.90,   2.21,   0.00,  (max)
10/16 16Z,   1.70,   0.44,  99.90,   2.14,   0.00,
10/16 17Z,   1.70,  -0.13,  99.90,   1.57,   0.00,
10/16 18Z,   1.70,  -1.27,  99.90,   0.43,   0.00,
10/16 19Z,   1.70,  -3.02,  99.90,  -1.32,   0.00,
10/16 20Z,   1.60,  -5.01,  99.90,  -3.41,   0.00,
10/16 21Z,   1.60,  -6.30,  99.90,  -4.70,   0.00,  (min)
10/16 22Z,   1.60,  -5.78,  99.90,  -4.18,   0.00,
10/16 23Z,   1.60,  -3.43,  99.90,  -1.83,   0.00,
10/17 00Z,   1.40,  -0.41,  99.90,   0.99,   0.00,
10/17 01Z,   1.30,   2.10,  99.90,   3.40,   0.00,
10/17 02Z,   1.20,   3.66,  99.90,   4.86,   0.00,
10/17 03Z,   1.10,   4.36,  99.90,   5.46,   0.00,
10/17 04Z,   1.10,   4.54,  99.90,   5.64,   0.00,  (max)
10/17 05Z,   1.00,   4.53,  99.90,   5.53,   0.00,
10/17 06Z,   1.00,   4.33,  99.90,   5.33,   0.00,
10/17 07Z,   1.00,   3.63,  99.90,   4.63,   0.00,
10/17 08Z,   1.00,   2.26,  99.90,   3.26,   0.00,
10/17 09Z,   0.90,   0.49,  99.90,   1.39,   0.00,
10/17 10Z,   0.80,  -0.79,  99.90,   0.01,   0.00,
10/17 11Z,   0.70,  -0.84,  99.90,  -0.14,   0.00,  (min)
10/17 12Z,   0.70,  -0.11,  99.90,   0.59,   0.00,
10/17 13Z,   0.60,   0.53,  99.90,   1.13,   0.00,
10/17 14Z,   0.70,   0.69,  99.90,   1.39,   0.00,  (max)
10/17 15Z,   0.70,   0.56,  99.90,   1.26,   0.00,
10/17 16Z,   0.70,   0.51,  99.90,   1.21,   0.00,
10/17 17Z,   0.70,   0.27,  99.90,   0.97,   0.00,
10/17 18Z,   0.70,  -0.40,  99.90,   0.30,   0.00,
10/17 19Z,   0.70,  -1.64,  99.90,  -0.94,   0.00,
10/17 20Z,   0.70,  -3.38,  99.90,  -2.68,   0.00,
10/17 21Z,   0.70,  -5.19,  99.90,  -4.49,   0.00,
10/17 22Z,   0.60,  -6.04,  99.90,  -5.44,   0.00,  (min)
10/17 23Z,   0.50,  -5.02,  99.90,  -4.52,   0.00,
10/18 00Z,   0.50,  -2.43,  99.90,  -1.93,   0.00,
10/18 01Z,   0.40,   0.43,  99.90,   0.83,   0.00,
10/18 02Z,   0.30,   2.59,  99.90,   2.89,   0.00,
10/18 03Z,   0.30,   3.80,  99.90,   4.10,   0.00,
10/18 04Z,   0.30,   4.29,  99.90,   4.59,   0.00,
10/18 05Z,   0.40,   4.37,  99.90,   4.77,   0.00,
10/18 06Z,   0.50,   4.33,  99.90,   4.83,   0.00,  (max)
10/18 07Z,   0.50,   4.03,  99.90,   4.53,   0.00,
10/18 08Z,   0.60,   3.18,  99.90,   3.78,   0.00,
10/18 09Z,   0.60,   1.70,  99.90,   2.30,   0.00,
10/18 10Z,   0.60,   0.02,  99.90,   0.62,   0.00,
10/18 11Z,   0.60,  -0.95,  99.90,  -0.35,   0.00,  (min)
10/18 12Z,   0.50,  -0.70,  99.90,  -0.20,   0.00,
10/18 13Z,   0.50,   0.11,  99.90,   0.61,   0.00,
10/18 14Z,   0.50,   0.63,  99.90,   1.13,   0.00,
10/18 15Z,   0.50,   0.67,  99.90,   1.17,   0.00,  (max)
10/18 16Z,   0.50,   0.55,  99.90,   1.05,   0.00,
10/18 17Z,   0.50,   0.50,  99.90,   1.00,   0.00,
10/18 18Z,   0.50,   0.19,  99.90,   0.69,   0.00,
10/18 19Z,   0.60,  -0.58,  99.90,   0.02,   0.00,
10/18 20Z,   0.70,  -1.89,  99.90,  -1.19,   0.00,
10/18 21Z,   0.70,  -3.61,  99.90,  -2.91,   0.00,
10/18 22Z,   0.70,  -5.19,  99.90,  -4.49,   0.00,
10/18 23Z,   0.60,  -5.61,  99.90,  -5.01,   0.00,  (min)
10/19 00Z,   0.60,  -4.16,  99.90,  -3.56,   0.00,
10/19 01Z,   0.60,  -1.47,  99.90,  -0.87,   0.00,
10/19 02Z,   0.60,   1.16,  99.90,   1.76,   0.00,
10/19 03Z,   0.70,   2.96,  99.90,   3.66,   0.00,
10/19 04Z,   0.80,   3.86,  99.90,   4.66,   0.00,
10/19 05Z,   0.90,   4.16,  99.90,   5.06,   0.00,
10/19 06Z,   1.10,   4.18,  99.90,   5.28,   0.00,  (max)
10/19 07Z,   1.10,   4.08,  99.90,   5.18,   0.00,
10/19 08Z,   1.10,   3.63,  99.90,   4.73,   0.00,
10/19 09Z,   1.00,   2.60,  99.90,   3.60,   0.00,
10/19 10Z,   0.90,   1.01,  99.90,   1.91,   0.00,
10/19 11Z,   0.80,  -0.56,  99.90,   0.24,   0.00,
10/19 12Z,   0.70,  -1.17,  99.90,  -0.47,   0.00,  (min)
10/19 13Z,   0.60,  -0.63,  99.90,  -0.03,   0.00,
10/19 14Z,   0.50,   0.25,  99.90,   0.75,   0.00,
10/19 15Z,   0.50,   0.71,  99.90,   1.21,   0.00,
10/19 16Z,   0.60,   0.72,  99.90,   1.32,   0.00,  (max)
10/19 17Z,   0.60,   0.64,  99.90,   1.24,   0.00,  (min)
10/19 18Z,   0.70,   0.56,  99.90,   1.26,   0.00,  (max)
10/19 19Z,   0.80,   0.20,  99.90,   1.00,   0.00,
10/19 20Z,   0.80,  -0.64,  99.90,   0.16,   0.00,
10/19 21Z,   0.90,  -2.00,  99.90,  -1.10,   0.00,
10/19 22Z,   0.90,  -3.66,  99.90,  -2.76,   0.00,
10/19 23Z,   0.80,  -4.99,  99.90,  -4.19,   0.00,
10/20 00Z,   0.80,  -4.99,  99.90,  -4.19,   0.00,  (min)
10/20 01Z,   0.70,  -3.22,  99.90,  -2.52,   0.00,
10/20 02Z,   0.70,  -0.54,  99.90,   0.16,   0.00,
10/20 03Z,   0.60,   1.78,  99.90,   2.38,   0.00,
10/20 04Z,   0.70,   3.20,  99.90,   3.90,   0.00,
10/20 05Z,   0.70,   3.82,  99.90,   4.52,   0.00,
10/20 06Z,   0.80,   3.98,  99.90,   4.78,   0.00,