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 : 07/11/2025 07:20:45 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/09 12Z,   0.30,  11.99,  99.90,  12.29,   0.00,  (min)
07/09 13Z,   0.30,  11.94,  99.90,  12.24,   0.00,  (max)
07/09 14Z,   0.30,  11.43,  99.90,  11.73,   0.00,
07/09 15Z,   0.30,  10.40,  99.90,  10.70,   0.00,
07/09 16Z,   0.30,   9.39,  99.90,   9.69,   0.00,
07/09 17Z,   0.30,   9.10,  99.90,   9.40,   0.00,  (min)
07/09 18Z,   0.30,   9.24,  99.90,   9.54,   0.00,  (max)
07/09 19Z,   0.30,   9.12,  99.90,   9.42,   0.00,
07/09 20Z,   0.30,   8.65,  99.90,   8.95,   0.00,
07/09 21Z,   0.30,   8.28,  99.90,   8.58,   0.00,
07/09 22Z,   0.20,   8.19,  99.90,   8.39,   0.00,
07/09 23Z,   0.20,   7.79,  99.90,   7.99,   0.00,
07/10 00Z,   0.40,   6.86,  99.90,   7.26,   0.00,
07/10 01Z,   0.30,   5.32,  99.90,   5.62,   0.00,
07/10 02Z,   0.30,   3.28,  99.90,   3.58,   0.00,
07/10 03Z,   0.20,   1.16,  99.90,   1.36,   0.00,
07/10 04Z,   0.20,  -0.12,  99.90,   0.08,   0.00,  (min)
07/10 05Z,   0.10,   0.46,  99.90,   0.56,   0.00,
07/10 06Z,   0.30,   2.97,  99.90,   3.27,   0.00,
07/10 07Z,   0.30,   6.23,  99.90,   6.53,   0.00,
07/10 08Z,   0.30,   9.02,  99.90,   9.32,   0.00,
07/10 09Z,   0.30,  10.85,  99.90,  11.15,   0.00,
07/10 10Z,   0.40,  11.76,  99.90,  12.16,   0.00,
07/10 11Z,   0.40,  12.07,  99.90,  12.47,   0.00,
07/10 12Z,   0.40,  12.13,  99.90,  12.53,   0.00,
07/10 13Z,   0.40,  12.20,  99.90,  12.60,   0.00,  (max)
07/10 14Z,   0.50,  12.01,  99.90,  12.51,   0.00,
07/10 15Z,   0.50,  11.30,  99.90,  11.80,   0.00,
07/10 16Z,   0.50,  10.14,  99.90,  10.64,   0.00,
07/10 17Z,   0.50,   9.18,  99.90,   9.68,   0.00,
07/10 18Z,   0.50,   9.02,  99.90,   9.52,   0.00,  (min)
07/10 19Z,   0.50,   9.11,  99.90,   9.61,   0.00,  (max)
07/10 20Z,   0.50,   8.86,  99.90,   9.36,   0.00,
07/10 21Z,   0.50,   8.34,  99.90,   8.84,   0.00,
07/10 22Z,   0.50,   8.08,  99.90,   8.58,   0.00,
07/10 23Z,   0.50,   7.94,  99.90,   8.44,   0.00,
07/11 00Z,   0.50,   7.41,  99.90,   7.91,   0.00,
07/11 01Z,   0.50,   6.32,  99.90,   6.82,   0.00,
07/11 02Z,   0.50,   4.64,  99.90,   5.14,   0.00,
07/11 03Z,   0.50,   2.58,  99.90,   3.08,   0.00,
07/11 04Z,   0.50,   0.67,  99.90,   1.17,   0.00,
07/11 05Z,   0.50,  -0.12,  99.90,   0.38,   0.00,  (min)
07/11 06Z,   0.50,   1.09,  99.90,   1.59,   0.00,
07/11 07Z,   0.50,   4.00,  99.90,   4.50,   0.00,
07/11 08Z,   0.50,   7.28,  99.90,   7.78,   0.00,
07/11 09Z,   0.60,   9.85,  99.90,  10.45,   0.00,
07/11 10Z,   0.60,  11.39,  99.90,  11.99,   0.00,
07/11 11Z,   0.60,  12.09,  99.90,  12.69,   0.00,
07/11 12Z,   0.60,  12.27,  99.90,  12.87,   0.00,
07/11 13Z,   0.60,  12.33,  99.90,  12.93,   0.00,  (max)
07/11 14Z,   0.50,  12.31,  99.90,  12.81,   0.00,
07/11 15Z,   0.50,  11.90,  99.90,  12.40,   0.00,
07/11 16Z,   0.50,  10.93,  99.90,  11.43,   0.00,
07/11 17Z,   0.50,   9.64,  99.90,  10.14,   0.00,
07/11 18Z,   0.50,   8.77,  99.90,   9.27,   0.00,
07/11 19Z,   0.50,   8.76,  99.90,   9.26,   0.00,  (min)
07/11 20Z,   0.50,   8.87,  99.90,   9.37,   0.00,  (max)
07/11 21Z,   0.50,   8.59,  99.90,   9.09,   0.00,
07/11 22Z,   0.50,   8.12,  99.90,   8.62,   0.00,
07/11 23Z,   0.50,   7.96,  99.90,   8.46,   0.00,
07/12 00Z,   0.50,   7.75,  99.90,   8.25,   0.00,
07/12 01Z,   0.50,   7.12,  99.90,   7.62,   0.00,
07/12 02Z,   0.50,   5.88,  99.90,   6.38,   0.00,
07/12 03Z,   0.50,   4.10,  99.90,   4.60,   0.00,
07/12 04Z,   0.50,   2.07,  99.90,   2.57,   0.00,
07/12 05Z,   0.50,   0.43,  99.90,   0.93,   0.00,
07/12 06Z,   0.50,   0.18,  99.90,   0.68,   0.00,  (min)
07/12 07Z,   0.50,   1.96,  99.90,   2.46,   0.00,
07/12 08Z,   0.50,   5.16,  99.90,   5.66,   0.00,
07/12 09Z,   0.50,   8.34,  99.90,   8.84,   0.00,
07/12 10Z,   0.50,  10.61,  99.90,  11.11,   0.00,
07/12 11Z,   0.40,  11.85,  99.90,  12.25,   0.00,
07/12 12Z,   0.40,  12.34,  99.90,  12.74,   0.00,
07/12 13Z,   0.40,  12.42,  99.90,  12.82,   0.00,
07/12 14Z,   0.40,  12.44,  99.90,  12.84,   0.00,  (max)
07/12 15Z,   0.40,  12.23,  99.90,  12.63,   0.00,
07/12 16Z,   0.40,  11.51,  99.90,  11.91,   0.00,
07/12 17Z,   0.40,  10.24,  99.90,  10.64,   0.00,
07/12 18Z,   0.40,   8.84,  99.90,   9.24,   0.00,
07/12 19Z,   0.40,   8.13,  99.90,   8.53,   0.00,  (min)
07/12 20Z,   0.40,   8.32,  99.90,   8.72,   0.00,
07/12 21Z,   0.40,   8.57,  99.90,   8.97,   0.00,  (max)
07/12 22Z,   0.30,   8.39,  99.90,   8.69,   0.00,
07/12 23Z,   0.30,   8.04,  99.90,   8.34,   0.00,
07/13 00Z,   0.30,   7.94,  99.90,   8.24,   0.00,
07/13 01Z,   0.20,   7.68,  99.90,   7.88,   0.00,
07/13 02Z,   0.20,   6.95,  99.90,   7.15,   0.00,
07/13 03Z,   0.20,   5.61,  99.90,   5.81,   0.00,
07/13 04Z,   0.20,   3.78,  99.90,   3.98,   0.00,
07/13 05Z,   0.20,   1.84,  99.90,   2.04,   0.00,
07/13 06Z,   0.10,   0.51,  99.90,   0.61,   0.00,  (min)
07/13 07Z,   0.10,   0.80,  99.90,   0.90,   0.00,
07/13 08Z,   0.10,   3.07,  99.90,   3.17,   0.00,
07/13 09Z,   0.10,   6.39,  99.90,   6.49,   0.00,
07/13 10Z,   0.10,   9.35,  99.90,   9.45,   0.00,
07/13 11Z,   0.10,  11.26,  99.90,  11.36,   0.00,
07/13 12Z,   0.10,  12.19,  99.90,  12.29,   0.00,
07/13 13Z,   0.10,  12.49,  99.90,  12.59,   0.00,
07/13 14Z,   0.10,  12.50,  99.90,  12.60,   0.00,  (max)
07/13 15Z,   0.10,  12.39,  99.90,  12.49,   0.00,
07/13 16Z,   0.10,  11.86,  99.90,  11.96,   0.00,
07/13 17Z,   0.10,  10.73,  99.90,  10.83,   0.00,
07/13 18Z,   0.10,   9.14,  99.90,   9.24,   0.00,
07/13 19Z,   0.10,   7.70,  99.90,   7.80,   0.00,
07/13 20Z,   0.10,   7.26,  99.90,   7.36,   0.00,  (min)
07/13 21Z,   0.10,   7.76,  99.90,   7.86,   0.00,
07/13 22Z,   0.10,   8.30,  99.90,   8.40,   0.00,
07/13 23Z,   0.10,   8.33,  99.90,   8.43,   0.00,  (max)
07/14 00Z,   0.10,   8.13,  99.90,   8.23,   0.00,
07/14 01Z,   0.10,   8.06,  99.90,   8.16,   0.00,
07/14 02Z,   0.10,   7.78,  99.90,   7.88,   0.00,
07/14 03Z,   0.10,   6.99,  99.90,   7.09,   0.00,
07/14 04Z,   0.10,   5.60,  99.90,   5.70,   0.00,
07/14 05Z,   0.10,   3.76,  99.90,   3.86,   0.00,
07/14 06Z,   0.10,   1.95,  99.90,   2.05,   0.00,
07/14 07Z,   0.10,   0.96,  99.90,   1.06,   0.00,  (min)
07/14 08Z,   0.10,   1.72,  99.90,   1.82,   0.00,
07/14 09Z,   0.20,   4.33,  99.90,   4.53,   0.00,
07/14 10Z,   0.20,   7.62,  99.90,   7.82,   0.00,
07/14 11Z,   0.20,  10.24,  99.90,  10.44,   0.00,
07/14 12Z,   0.20,  11.75,  99.90,  11.95,   0.00,
07/14 13Z,   0.20,  12.38,  99.90,  12.58,   0.00,
07/14 14Z,   0.10,  12.51,  99.90,  12.61,   0.00,  (max)
07/14 15Z,   0.10,  12.44,  99.90,  12.54,   0.00,
07/14 16Z,   0.10,  12.05,  99.90,  12.15,   0.00,
07/14 17Z,   0.10,  11.08,  99.90,  11.18,   0.00,
07/14 18Z,   0.10,   9.49,  99.90,   9.59,   0.00,
07/14 19Z,   0.20,   7.60,  99.90,   7.80,   0.00,
07/14 20Z,   0.20,   6.23,  99.90,   6.43,   0.00,
07/14 21Z,   0.20,   6.19,  99.90,   6.39,   0.00,  (min)
07/14 22Z,   0.20,   7.19,  99.90,   7.39,   0.00,
07/14 23Z,   0.20,   8.13,  99.90,   8.33,   0.00,
07/15 00Z,   0.20,   8.45,  99.90,   8.65,   0.00,