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 : 11/16/2025 16:20:55 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/15 00Z,   0.80,   3.11,  99.90,   3.91,   0.00,
11/15 01Z,   0.80,   2.65,  99.90,   3.45,   0.00,  (min)
11/15 02Z,   0.70,   4.31,  99.90,   5.01,   0.00,
11/15 03Z,   0.60,   7.13,  99.90,   7.73,   0.00,
11/15 04Z,   0.40,   9.74,  99.90,  10.14,   0.00,
11/15 05Z,   0.30,  11.40,  99.90,  11.70,   0.00,
11/15 06Z,   0.30,  12.11,  99.90,  12.41,   0.00,  (max)
11/15 07Z,   0.10,  12.26,  99.90,  12.36,   0.00,
11/15 08Z,   0.00,  12.05,  99.90,  12.05,   0.00,
11/15 09Z,  -0.10,  11.30,  99.90,  11.20,   0.00,
11/15 10Z,  -0.20,   9.68,  99.90,   9.48,   0.00,
11/15 11Z,  -0.20,   7.06,  99.90,   6.86,   0.00,
11/15 12Z,  -0.10,   3.96,  99.90,   3.86,   0.00,
11/15 13Z,   0.00,   1.70,  99.90,   1.70,   0.00,
11/15 14Z,   0.00,   1.52,  99.90,   1.52,   0.00,  (min)
11/15 15Z,   0.10,   3.37,  99.90,   3.47,   0.00,
11/15 16Z,   0.20,   6.04,  99.90,   6.24,   0.00,
11/15 17Z,   0.30,   8.33,  99.90,   8.63,   0.00,
11/15 18Z,   0.30,   9.71,  99.90,  10.01,   0.00,
11/15 19Z,   0.30,  10.24,  99.90,  10.54,   0.00,
11/15 20Z,   0.30,  10.32,  99.90,  10.62,   0.00,  (max)
11/15 21Z,   0.20,  10.20,  99.90,  10.40,   0.00,
11/15 22Z,   0.20,   9.67,  99.90,   9.87,   0.00,
11/15 23Z,   0.10,   8.42,  99.90,   8.52,   0.00,
11/16 00Z,   0.00,   6.49,  99.90,   6.49,   0.00,
11/16 01Z,   0.00,   4.70,  99.90,   4.70,   0.00,
11/16 02Z,   0.00,   4.30,  99.90,   4.30,   0.00,  (min)
11/16 03Z,   0.10,   5.68,  99.90,   5.78,   0.00,
11/16 04Z,   0.10,   7.93,  99.90,   8.03,   0.00,
11/16 05Z,   0.20,   9.88,  99.90,  10.08,   0.00,
11/16 06Z,   0.00,  10.98,  99.90,  10.98,   0.00,
11/16 07Z,   0.00,  11.35,  99.90,  11.35,   0.00,  (max)
11/16 08Z,  -0.10,  11.39,  99.90,  11.29,   0.00,
11/16 09Z,  -0.20,  11.09,  99.90,  10.89,   0.00,
11/16 10Z,  -0.20,  10.22,  99.90,  10.02,   0.00,
11/16 11Z,  -0.10,   8.48,  99.90,   8.38,   0.00,
11/16 12Z,  -0.20,   5.81,  99.90,   5.61,   0.00,
11/16 13Z,  -0.30,   2.86,  99.90,   2.56,   0.00,
11/16 14Z,  -0.60,   1.00,  99.90,   0.40,   0.00,
11/16 15Z,  -1.30,   1.29,  99.90,  -0.01,   0.00,  (min)
11/16 16Z,  -1.90,   3.46,  99.90,   1.56,   0.00,
11/16 17Z,  -2.70,   6.26,  99.90,   3.56,   0.00,
11/16 18Z,  -3.30,   8.61,  99.90,   5.31,   0.00,
11/16 19Z,  -3.40,  10.02,  99.90,   6.62,   0.00,
11/16 20Z,  -2.70,  10.59,  99.90,   7.89,   0.00,
11/16 21Z,  -1.40,  10.69,  99.90,   9.29,   0.00,
11/16 22Z,   0.00,  10.64,  99.90,  10.64,   0.00,
11/16 23Z,   1.20,  10.29,  99.90,  11.49,   0.00,
11/17 00Z,   2.30,   9.28,  99.90,  11.58,   0.00,  (max)
11/17 01Z,   3.30,   7.62,  99.90,  10.92,   0.00,
11/17 02Z,   4.00,   6.05,  99.90,  10.05,   0.00,  (min)
11/17 03Z,   4.50,   5.69,  99.90,  10.19,   0.00,
11/17 04Z,   4.80,   6.79,  99.90,  11.59,   0.00,
11/17 05Z,   4.80,   8.48,  99.90,  13.28,   0.00,
11/17 06Z,   4.60,   9.80,  99.90,  14.40,   0.00,
11/17 07Z,   4.10,  10.40,  99.90,  14.50,   0.00,  (max)
11/17 08Z,   3.40,  10.51,  99.90,  13.91,   0.00,
11/17 09Z,   2.70,  10.47,  99.90,  13.17,   0.00,
11/17 10Z,   1.90,  10.09,  99.90,  11.99,   0.00,
11/17 11Z,   1.20,   9.10,  99.90,  10.30,   0.00,
11/17 12Z,   0.50,   7.26,  99.90,   7.76,   0.00,
11/17 13Z,   0.10,   4.62,  99.90,   4.72,   0.00,
11/17 14Z,   0.00,   1.94,  99.90,   1.94,   0.00,
11/17 15Z,   0.00,   0.59,  99.90,   0.59,   0.00,  (min)
11/17 16Z,   0.00,   1.43,  99.90,   1.43,   0.00,
11/17 17Z,   0.20,   3.91,  99.90,   4.11,   0.00,
11/17 18Z,   0.50,   6.79,  99.90,   7.29,   0.00,
11/17 19Z,   0.70,   9.09,  99.90,   9.79,   0.00,
11/17 20Z,   1.00,  10.45,  99.90,  11.45,   0.00,
11/17 21Z,   1.20,  10.99,  99.90,  12.19,   0.00,
11/17 22Z,   1.30,  11.09,  99.90,  12.39,   0.00,
11/17 23Z,   1.40,  11.09,  99.90,  12.49,   0.00,  (max)
11/18 00Z,   1.40,  10.83,  99.90,  12.23,   0.00,
11/18 01Z,   1.40,   9.96,  99.90,  11.36,   0.00,
11/18 02Z,   1.20,   8.46,  99.90,   9.66,   0.00,
11/18 03Z,   1.10,   7.06,  99.90,   8.16,   0.00,
11/18 04Z,   0.90,   6.75,  99.90,   7.65,   0.00,  (min)
11/18 05Z,   0.90,   7.59,  99.90,   8.49,   0.00,
11/18 06Z,   0.90,   8.77,  99.90,   9.67,   0.00,
11/18 07Z,   0.90,   9.53,  99.90,  10.43,   0.00,
11/18 08Z,   0.90,   9.72,  99.90,  10.62,   0.00,  (max)
11/18 09Z,   0.90,   9.67,  99.90,  10.57,   0.00,
11/18 10Z,   0.90,   9.57,  99.90,  10.47,   0.00,
11/18 11Z,   0.80,   9.09,  99.90,   9.89,   0.00,
11/18 12Z,   0.60,   8.00,  99.90,   8.60,   0.00,
11/18 13Z,   0.50,   6.10,  99.90,   6.60,   0.00,
11/18 14Z,   0.40,   3.56,  99.90,   3.96,   0.00,
11/18 15Z,   0.30,   1.27,  99.90,   1.57,   0.00,
11/18 16Z,   0.20,   0.55,  99.90,   0.75,   0.00,  (min)
11/18 17Z,   0.20,   1.96,  99.90,   2.16,   0.00,
11/18 18Z,   0.10,   4.70,  99.90,   4.80,   0.00,
11/18 19Z,   0.10,   7.55,  99.90,   7.65,   0.00,
11/18 20Z,   0.00,   9.71,  99.90,   9.71,   0.00,
11/18 21Z,   0.00,  10.92,  99.90,  10.92,   0.00,
11/18 22Z,   0.00,  11.39,  99.90,  11.39,   0.00,  (max)
11/18 23Z,  -0.10,  11.46,  99.90,  11.36,   0.00,  (min)
11/19 00Z,  -0.10,  11.48,  99.90,  11.38,   0.00,  (max)
11/19 01Z,  -0.10,  11.24,  99.90,  11.14,   0.00,
11/19 02Z,   0.00,  10.40,  99.90,  10.40,   0.00,
11/19 03Z,   0.00,   8.98,  99.90,   8.98,   0.00,
11/19 04Z,   0.10,   7.71,  99.90,   7.81,   0.00,
11/19 05Z,   0.20,   7.46,  99.90,   7.66,   0.00,  (min)
11/19 06Z,   0.30,   8.08,  99.90,   8.38,   0.00,
11/19 07Z,   0.40,   8.81,  99.90,   9.21,   0.00,
11/19 08Z,   0.30,   9.11,  99.90,   9.41,   0.00,  (max)
11/19 09Z,   0.10,   9.00,  99.90,   9.10,   0.00,
11/19 10Z,   0.00,   8.91,  99.90,   8.91,   0.00,
11/19 11Z,   0.00,   8.74,  99.90,   8.74,   0.00,
11/19 12Z,   0.00,   8.16,  99.90,   8.16,   0.00,
11/19 13Z,   0.20,   6.97,  99.90,   7.17,   0.00,
11/19 14Z,   0.50,   5.05,  99.90,   5.55,   0.00,
11/19 15Z,   0.80,   2.69,  99.90,   3.49,   0.00,
11/19 16Z,   0.70,   0.89,  99.90,   1.59,   0.00,
11/19 17Z,   0.60,   0.86,  99.90,   1.46,   0.00,  (min)
11/19 18Z,   0.20,   2.81,  99.90,   3.01,   0.00,
11/19 19Z,   0.00,   5.71,  99.90,   5.71,   0.00,
11/19 20Z,   0.00,   8.44,  99.90,   8.44,   0.00,
11/19 21Z,   0.10,  10.36,  99.90,  10.46,   0.00,
11/19 22Z,   0.40,  11.37,  99.90,  11.77,   0.00,
11/19 23Z,   0.70,  11.72,  99.90,  12.42,   0.00,
11/20 00Z,   0.70,  11.77,  99.90,  12.47,   0.00,
11/20 01Z,   0.70,  11.78,  99.90,  12.48,   0.00,  (max)
11/20 02Z,   0.80,  11.50,  99.90,  12.30,   0.00,
11/20 03Z,   0.80,  10.61,  99.90,  11.41,   0.00,
11/20 04Z,   0.70,   9.20,  99.90,   9.90,   0.00,
11/20 05Z,   0.50,   8.05,  99.90,   8.55,   0.00,
11/20 06Z,   0.20,   7.88,  99.90,   8.08,   0.00,
11/20 07Z,  99.90,   8.32,  99.90,  99.90,   0.00,
11/20 08Z,  99.90,   8.67,  99.90,  99.90,   0.00,
11/20 09Z,  99.90,   8.61,  99.90,  99.90,   0.00,
11/20 10Z,  99.90,   8.35,  99.90,  99.90,   0.00,
11/20 11Z,  99.90,   8.27,  99.90,  99.90,   0.00,
11/20 12Z,  99.90,   8.02,  99.90,  99.90,   0.00,