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 : 11/12/2025 20:20:53 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/11 00Z,   0.90,   8.05,  99.90,   8.95,   0.00,
11/11 01Z,   0.90,  11.67,  99.90,  12.57,   0.00,
11/11 02Z,   0.90,  13.73,  99.90,  14.63,   0.00,
11/11 03Z,   0.90,  14.57,  99.90,  15.47,   0.00,  0.53 ft above HAT
11/11 04Z,   0.90,  14.65,  99.90,  15.55,   0.00,  0.61 ft above HAT  (max)
11/11 05Z,   0.90,  14.30,  99.90,  15.20,   0.00,  0.26 ft above HAT
11/11 06Z,   0.60,  13.23,  99.90,  13.83,   0.00,
11/11 07Z,   0.60,  11.16,  99.90,  11.76,   0.00,
11/11 08Z,   0.50,   8.25,  99.90,   8.75,   0.00,
11/11 09Z,   0.50,   5.49,  99.90,   5.99,   0.00,
11/11 10Z,   0.40,   4.29,  99.90,   4.69,   0.00,  (min)
11/11 11Z,   0.40,   5.22,  99.90,   5.62,   0.00,
11/11 12Z,   0.30,   7.23,  99.90,   7.53,   0.00,
11/11 13Z,   0.30,   8.89,  99.90,   9.19,   0.00,
11/11 14Z,   0.30,   9.64,  99.90,   9.94,   0.00,
11/11 15Z,   0.40,   9.80,  99.90,  10.20,   0.00,  (max)
11/11 16Z,   0.40,   9.66,  99.90,  10.06,   0.00,
11/11 17Z,   0.40,   8.89,  99.90,   9.29,   0.00,
11/11 18Z,   0.40,   7.21,  99.90,   7.61,   0.00,
11/11 19Z,   0.30,   4.53,  99.90,   4.83,   0.00,
11/11 20Z,   0.30,   1.22,  99.90,   1.52,   0.00,
11/11 21Z,   0.30,  -1.62,  99.90,  -1.32,   0.00,
11/11 22Z,   0.20,  -2.35,  99.90,  -2.15,   0.00,  (min)
11/11 23Z,   0.20,  -0.12,  99.90,   0.08,   0.00,
11/12 00Z,   0.10,   4.12,  99.90,   4.22,   0.00,
11/12 01Z,   0.10,   8.51,  99.90,   8.61,   0.00,
11/12 02Z,   0.10,  11.75,  99.90,  11.85,   0.00,
11/12 03Z,   0.20,  13.54,  99.90,  13.74,   0.00,
11/12 04Z,   0.20,  14.22,  99.90,  14.42,   0.00,
11/12 05Z,   0.20,  14.23,  99.90,  14.43,   0.00,  (max)
11/12 06Z,   0.00,  13.80,  99.90,  13.80,   0.00,
11/12 07Z,   0.00,  12.61,  99.90,  12.61,   0.00,
11/12 08Z,   0.00,  10.38,  99.90,  10.38,   0.00,
11/12 09Z,   0.00,   7.35,  99.90,   7.35,   0.00,
11/12 10Z,   0.00,   4.59,  99.90,   4.59,   0.00,
11/12 11Z,   0.00,   3.54,  99.90,   3.54,   0.00,  (min)
11/12 12Z,  -0.30,   4.64,  99.90,   4.34,   0.00,
11/12 13Z,  -0.30,   6.80,  99.90,   6.50,   0.00,
11/12 14Z,  -0.20,   8.63,  99.90,   8.43,   0.00,
11/12 15Z,  -0.20,   9.55,  99.90,   9.35,   0.00,
11/12 16Z,  -0.20,   9.80,  99.90,   9.60,   0.00,  (max)
11/12 17Z,  -0.20,   9.72,  99.90,   9.52,   0.00,
11/12 18Z,  -0.10,   9.13,  99.90,   9.03,   0.00,
11/12 19Z,   0.20,   7.73,  99.90,   7.93,   0.00,
11/12 20Z,   0.70,   5.39,  99.90,   6.09,   0.00,
11/12 21Z,   1.10,   2.39,  99.90,   3.49,   0.00,
11/12 22Z,   1.30,  -0.22,  99.90,   1.08,   0.00,
11/12 23Z,   1.20,  -0.84,  99.90,   0.36,   0.00,  (min)
11/13 00Z,   1.00,   1.26,  99.90,   2.26,   0.00,
11/13 01Z,   0.80,   5.12,  99.90,   5.92,   0.00,
11/13 02Z,   0.80,   8.99,  99.90,   9.79,   0.00,
11/13 03Z,   0.70,  11.76,  99.90,  12.46,   0.00,
11/13 04Z,   0.60,  13.21,  99.90,  13.81,   0.00,
11/13 05Z,   0.50,  13.71,  99.90,  14.21,   0.00,  (max)
11/13 06Z,   0.40,  13.65,  99.90,  14.05,   0.00,
11/13 07Z,   0.30,  13.12,  99.90,  13.42,   0.00,
11/13 08Z,   0.20,  11.79,  99.90,  11.99,   0.00,
11/13 09Z,   0.10,   9.41,  99.90,   9.51,   0.00,
11/13 10Z,   0.00,   6.29,  99.90,   6.29,   0.00,
11/13 11Z,   0.00,   3.60,  99.90,   3.60,   0.00,
11/13 12Z,  -0.10,   2.76,  99.90,   2.66,   0.00,  (min)
11/13 13Z,  -0.20,   4.06,  99.90,   3.86,   0.00,
11/13 14Z,  -0.20,   6.40,  99.90,   6.20,   0.00,
11/13 15Z,  -0.20,   8.41,  99.90,   8.21,   0.00,
11/13 16Z,  -0.20,   9.50,  99.90,   9.30,   0.00,
11/13 17Z,  -0.20,   9.85,  99.90,   9.65,   0.00,  (max)
11/13 18Z,  -0.30,   9.84,  99.90,   9.54,   0.00,
11/13 19Z,  -0.50,   9.43,  99.90,   8.93,   0.00,
11/13 20Z,  -0.60,   8.35,  99.90,   7.75,   0.00,
11/13 21Z,  -0.70,   6.39,  99.90,   5.69,   0.00,
11/13 22Z,  -0.80,   3.75,  99.90,   2.95,   0.00,
11/13 23Z,  -0.90,   1.41,  99.90,   0.51,   0.00,
11/14 00Z,  -1.00,   0.88,  99.90,  -0.12,   0.00,  (min)
11/14 01Z,  -1.00,   2.79,  99.90,   1.79,   0.00,
11/14 02Z,  -1.20,   6.16,  99.90,   4.96,   0.00,
11/14 03Z,  -1.30,   9.42,  99.90,   8.12,   0.00,
11/14 04Z,  -1.40,  11.65,  99.90,  10.25,   0.00,
11/14 05Z,  -1.50,  12.73,  99.90,  11.23,   0.00,
11/14 06Z,  -1.80,  13.04,  99.90,  11.24,   0.00,  (max)
11/14 07Z,  -1.90,  12.92,  99.90,  11.02,   0.00,
11/14 08Z,  -1.70,  12.28,  99.90,  10.58,   0.00,
11/14 09Z,  -1.10,  10.80,  99.90,   9.70,   0.00,
11/14 10Z,  -0.10,   8.28,  99.90,   8.18,   0.00,
11/14 11Z,   0.90,   5.14,  99.90,   6.04,   0.00,
11/14 12Z,   2.00,   2.61,  99.90,   4.61,   0.00,  (min)
11/14 13Z,   3.00,   2.05,  99.90,   5.05,   0.00,
11/14 14Z,   3.60,   3.60,  99.90,   7.20,   0.00,
11/14 15Z,   4.00,   6.11,  99.90,  10.11,   0.00,
11/14 16Z,   4.10,   8.28,  99.90,  12.38,   0.00,
11/14 17Z,   3.90,   9.54,  99.90,  13.44,   0.00,
11/14 18Z,   3.50,   9.99,  99.90,  13.49,   0.00,  (max)
11/14 19Z,   3.10,  10.03,  99.90,  13.13,   0.00,
11/14 20Z,   2.60,   9.79,  99.90,  12.39,   0.00,
11/14 21Z,   2.00,   9.01,  99.90,  11.01,   0.00,
11/14 22Z,   1.50,   7.43,  99.90,   8.93,   0.00,
11/14 23Z,   1.00,   5.16,  99.90,   6.16,   0.00,
11/15 00Z,   0.50,   3.11,  99.90,   3.61,   0.00,
11/15 01Z,   0.30,   2.65,  99.90,   2.95,   0.00,  (min)
11/15 02Z,   0.10,   4.31,  99.90,   4.41,   0.00,
11/15 03Z,   0.00,   7.13,  99.90,   7.13,   0.00,
11/15 04Z,   0.00,   9.74,  99.90,   9.74,   0.00,
11/15 05Z,  -0.20,  11.40,  99.90,  11.20,   0.00,
11/15 06Z,  -0.40,  12.11,  99.90,  11.71,   0.00,
11/15 07Z,  -0.50,  12.26,  99.90,  11.76,   0.00,  (max)
11/15 08Z,  -0.60,  12.05,  99.90,  11.45,   0.00,
11/15 09Z,  -0.90,  11.30,  99.90,  10.40,   0.00,
11/15 10Z,  -1.00,   9.68,  99.90,   8.68,   0.00,
11/15 11Z,  -0.90,   7.06,  99.90,   6.16,   0.00,
11/15 12Z,  -0.80,   3.96,  99.90,   3.16,   0.00,
11/15 13Z,  -0.50,   1.70,  99.90,   1.20,   0.00,  (min)
11/15 14Z,  -0.30,   1.52,  99.90,   1.22,   0.00,
11/15 15Z,   0.00,   3.37,  99.90,   3.37,   0.00,
11/15 16Z,   0.10,   6.04,  99.90,   6.14,   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,   0.10,   6.49,  99.90,   6.59,   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,   0.00,   5.68,  99.90,   5.68,   0.00,
11/16 04Z,   0.00,   7.93,  99.90,   7.93,   0.00,
11/16 05Z,   0.10,   9.88,  99.90,   9.98,   0.00,
11/16 06Z,   0.10,  10.98,  99.90,  11.08,   0.00,
11/16 07Z,   0.10,  11.35,  99.90,  11.45,   0.00,  (max)
11/16 08Z,   0.00,  11.39,  99.90,  11.39,   0.00,
11/16 09Z,   0.00,  11.09,  99.90,  11.09,   0.00,
11/16 10Z,   0.00,  10.22,  99.90,  10.22,   0.00,
11/16 11Z,   0.00,   8.48,  99.90,   8.48,   0.00,
11/16 12Z,   0.00,   5.81,  99.90,   5.81,   0.00,