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 : 06/18/2026 08:22:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
06/16 12Z,   0.20,  14.56,  99.90,  14.76,   0.00,
06/16 13Z,   0.20,  14.48,  99.90,  14.68,   0.00,  (max)
06/16 14Z,   0.10,  13.99,  99.90,  14.09,   0.00,
06/16 15Z,   0.10,  12.74,  99.90,  12.84,   0.00,
06/16 16Z,   0.10,  10.67,  99.90,  10.77,   0.00,
06/16 17Z,   0.10,   8.33,  99.90,   8.43,   0.00,
06/16 18Z,   0.20,   6.86,  99.90,   7.06,   0.00,  (min)
06/16 19Z,   0.20,   7.12,  99.90,   7.32,   0.00,
06/16 20Z,   0.20,   8.51,  99.90,   8.71,   0.00,
06/16 21Z,   0.20,   9.64,  99.90,   9.84,   0.00,
06/16 22Z,   0.20,   9.96,  99.90,  10.16,   0.00,  (max)
06/16 23Z,   0.20,   9.93,  99.90,  10.13,   0.00,
06/17 00Z,   0.30,   9.70,  99.90,  10.00,   0.00,
06/17 01Z,   0.30,   8.73,  99.90,   9.03,   0.00,
06/17 02Z,   0.30,   6.70,  99.90,   7.00,   0.00,
06/17 03Z,   0.30,   3.61,  99.90,   3.91,   0.00,
06/17 04Z,   0.30,  -0.09,  99.90,   0.21,   0.00,
06/17 05Z,   0.30,  -3.41,  99.90,  -3.11,   0.00,
06/17 06Z,   0.30,  -4.87,  99.90,  -4.57,   0.00,  (min)
06/17 07Z,   0.30,  -3.23,  99.90,  -2.93,   0.00,
06/17 08Z,   0.20,   1.13,  99.90,   1.33,   0.00,
06/17 09Z,   0.20,   6.34,  99.90,   6.54,   0.00,
06/17 10Z,   0.20,  10.60,  99.90,  10.80,   0.00,
06/17 11Z,   0.20,  13.24,  99.90,  13.44,   0.00,
06/17 12Z,   0.10,  14.47,  99.90,  14.57,   0.00,
06/17 13Z,   0.10,  14.76,  99.90,  14.86,   0.00,  (max)
06/17 14Z,   0.10,  14.61,  99.90,  14.71,   0.00,
06/17 15Z,   0.00,  13.96,  99.90,  13.96,   0.00,
06/17 16Z,   0.00,  12.45,  99.90,  12.45,   0.00,
06/17 17Z,   0.00,  10.08,  99.90,  10.08,   0.00,
06/17 18Z,   0.00,   7.48,  99.90,   7.48,   0.00,
06/17 19Z,   0.00,   5.93,  99.90,   5.93,   0.00,  (min)
06/17 20Z,   0.00,   6.30,  99.90,   6.30,   0.00,
06/17 21Z,   0.00,   7.90,  99.90,   7.90,   0.00,
06/17 22Z,   0.00,   9.29,  99.90,   9.29,   0.00,
06/17 23Z,   0.00,   9.82,  99.90,   9.82,   0.00,
06/18 00Z,   0.00,   9.87,  99.90,   9.87,   0.00,  (max)
06/18 01Z,   0.00,   9.69,  99.90,   9.69,   0.00,
06/18 02Z,   0.00,   8.82,  99.90,   8.82,   0.00,
06/18 03Z,   0.00,   6.95,  99.90,   6.95,   0.00,
06/18 04Z,   0.00,   4.03,  99.90,   4.03,   0.00,
06/18 05Z,   0.00,   0.44,  99.90,   0.44,   0.00,
06/18 06Z,   0.00,  -2.80,  99.90,  -2.80,   0.00,
06/18 07Z,   0.00,  -4.15,  99.90,  -4.15,   0.00,  (min)
06/18 08Z,   0.00,  -2.41,  99.90,  -2.41,   0.00,
06/18 09Z,   0.00,   1.93,  99.90,   1.93,   0.00,
06/18 10Z,   0.00,   6.97,  99.90,   6.97,   0.00,
06/18 11Z,   0.00,  11.00,  99.90,  11.00,   0.00,
06/18 12Z,   0.00,  13.44,  99.90,  13.44,   0.00,
06/18 13Z,   0.00,  14.53,  99.90,  14.53,   0.00,
06/18 14Z,   0.00,  14.73,  99.90,  14.73,   0.00,  (max)
06/18 15Z,   0.00,  14.50,  99.90,  14.50,   0.00,
06/18 16Z,   0.00,  13.65,  99.90,  13.65,   0.00,
06/18 17Z,  -0.10,  11.86,  99.90,  11.76,   0.00,
06/18 18Z,   0.00,   9.17,  99.90,   9.17,   0.00,
06/18 19Z,  -0.10,   6.34,  99.90,   6.24,   0.00,
06/18 20Z,   0.00,   4.76,  99.90,   4.76,   0.00,  (min)
06/18 21Z,   0.00,   5.28,  99.90,   5.28,   0.00,
06/18 22Z,   0.00,   7.15,  99.90,   7.15,   0.00,
06/18 23Z,   0.00,   8.85,  99.90,   8.85,   0.00,
06/19 00Z,   0.00,   9.67,  99.90,   9.67,   0.00,
06/19 01Z,   0.00,   9.84,  99.90,   9.84,   0.00,  (max)
06/19 02Z,   0.00,   9.74,  99.90,   9.74,   0.00,
06/19 03Z,   0.00,   9.03,  99.90,   9.03,   0.00,
06/19 04Z,   0.00,   7.41,  99.90,   7.41,   0.00,
06/19 05Z,   0.00,   4.76,  99.90,   4.76,   0.00,
06/19 06Z,   0.00,   1.41,  99.90,   1.41,   0.00,
06/19 07Z,   0.00,  -1.68,  99.90,  -1.68,   0.00,
06/19 08Z,   0.00,  -2.93,  99.90,  -2.93,   0.00,  (min)
06/19 09Z,   0.00,  -1.17,  99.90,  -1.17,   0.00,
06/19 10Z,   0.00,   3.00,  99.90,   3.00,   0.00,
06/19 11Z,   0.00,   7.69,  99.90,   7.69,   0.00,
06/19 12Z,   0.00,  11.35,  99.90,  11.35,   0.00,
06/19 13Z,   0.00,  13.49,  99.90,  13.49,   0.00,
06/19 14Z,   0.00,  14.38,  99.90,  14.38,   0.00,
06/19 15Z,   0.00,  14.49,  99.90,  14.49,   0.00,  (max)
06/19 16Z,   0.00,  14.14,  99.90,  14.14,   0.00,
06/19 17Z,   0.00,  13.07,  99.90,  13.07,   0.00,
06/19 18Z,   0.00,  10.98,  99.90,  10.98,   0.00,
06/19 19Z,   0.00,   7.97,  99.90,   7.97,   0.00,
06/19 20Z,   0.00,   4.96,  99.90,   4.96,   0.00,
06/19 21Z,   0.10,   3.43,  99.90,   3.53,   0.00,  (min)
06/19 22Z,   0.10,   4.16,  99.90,   4.26,   0.00,
06/19 23Z,   0.10,   6.32,  99.90,   6.42,   0.00,
06/20 00Z,   0.00,   8.38,  99.90,   8.38,   0.00,
06/20 01Z,   0.00,   9.52,  99.90,   9.52,   0.00,
06/20 02Z,   0.00,   9.87,  99.90,   9.87,   0.00,  (max)
06/20 03Z,   0.00,   9.86,  99.90,   9.86,   0.00,
06/20 04Z,   0.00,   9.34,  99.90,   9.34,   0.00,
06/20 05Z,   0.00,   8.03,  99.90,   8.03,   0.00,
06/20 06Z,   0.10,   5.75,  99.90,   5.85,   0.00,
06/20 07Z,   0.10,   2.72,  99.90,   2.82,   0.00,
06/20 08Z,   0.10,  -0.16,  99.90,  -0.06,   0.00,
06/20 09Z,   0.20,  -1.29,  99.90,  -1.09,   0.00,  (min)
06/20 10Z,   0.20,   0.39,  99.90,   0.59,   0.00,
06/20 11Z,   0.20,   4.24,  99.90,   4.44,   0.00,
06/20 12Z,   0.20,   8.44,  99.90,   8.64,   0.00,
06/20 13Z,   0.10,  11.61,  99.90,  11.71,   0.00,
06/20 14Z,   0.10,  13.37,  99.90,  13.47,   0.00,
06/20 15Z,   0.10,  14.03,  99.90,  14.13,   0.00,
06/20 16Z,   0.10,  14.04,  99.90,  14.14,   0.00,  (max)
06/20 17Z,   0.20,  13.55,  99.90,  13.75,   0.00,
06/20 18Z,   0.20,  12.24,  99.90,  12.44,   0.00,
06/20 19Z,   0.20,   9.84,  99.90,  10.04,   0.00,
06/20 20Z,   0.30,   6.57,  99.90,   6.87,   0.00,
06/20 21Z,   0.30,   3.46,  99.90,   3.76,   0.00,
06/20 22Z,   0.30,   2.06,  99.90,   2.36,   0.00,  (min)
06/20 23Z,   0.30,   3.06,  99.90,   3.36,   0.00,
06/21 00Z,   0.30,   5.54,  99.90,   5.84,   0.00,
06/21 01Z,   0.30,   7.95,  99.90,   8.25,   0.00,
06/21 02Z,   0.20,   9.42,  99.90,   9.62,   0.00,
06/21 03Z,   0.20,   9.98,  99.90,  10.18,   0.00,
06/21 04Z,   0.20,  10.05,  99.90,  10.25,   0.00,  (max)
06/21 05Z,   0.20,   9.72,  99.90,   9.92,   0.00,
06/21 06Z,   0.30,   8.75,  99.90,   9.05,   0.00,
06/21 07Z,   0.30,   6.88,  99.90,   7.18,   0.00,
06/21 08Z,   0.30,   4.22,  99.90,   4.52,   0.00,
06/21 09Z,   0.40,   1.62,  99.90,   2.02,   0.00,
06/21 10Z,   0.40,   0.59,  99.90,   0.99,   0.00,  (min)
06/21 11Z,   0.40,   2.13,  99.90,   2.53,   0.00,
06/21 12Z,   0.40,   5.54,  99.90,   5.94,   0.00,
06/21 13Z,   0.30,   9.14,  99.90,   9.44,   0.00,
06/21 14Z,   0.30,  11.72,  99.90,  12.02,   0.00,
06/21 15Z,   0.30,  13.05,  99.90,  13.35,   0.00,
06/21 16Z,   0.30,  13.49,  99.90,  13.79,   0.00,  (max)
06/21 17Z,   0.30,  13.39,  99.90,  13.69,   0.00,
06/21 18Z,   0.30,  12.73,  99.90,  13.03,   0.00,
06/21 19Z,   0.30,  11.19,  99.90,  11.49,   0.00,
06/21 20Z,   0.30,   8.53,  99.90,   8.83,   0.00,
06/21 21Z,   0.40,   5.06,  99.90,   5.46,   0.00,
06/21 22Z,   0.40,   1.98,  99.90,   2.38,   0.00,
06/21 23Z,   0.40,   0.82,  99.90,   1.22,   0.00,  (min)
06/22 00Z,   0.40,   2.16,  99.90,   2.56,   0.00,