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 : 03/06/2026 07:21:04 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/04 12Z,   0.20,  10.42,  99.90,  10.62,   0.00,  (max)
03/04 13Z,   0.20,  10.04,  99.90,  10.24,   0.00,
03/04 14Z,   0.20,   9.04,  99.90,   9.24,   0.00,
03/04 15Z,   0.20,   7.18,  99.90,   7.38,   0.00,
03/04 16Z,   0.20,   4.61,  99.90,   4.81,   0.00,
03/04 17Z,   0.30,   2.23,  99.90,   2.53,   0.00,
03/04 18Z,   0.20,   1.45,  99.90,   1.65,   0.00,  (min)
03/04 19Z,   0.20,   2.96,  99.90,   3.16,   0.00,
03/04 20Z,   0.20,   5.87,  99.90,   6.07,   0.00,
03/04 21Z,   0.20,   8.72,  99.90,   8.92,   0.00,
03/04 22Z,   0.20,  10.65,  99.90,  10.85,   0.00,
03/04 23Z,   0.20,  11.56,  99.90,  11.76,   0.00,
03/05 00Z,   0.20,  11.81,  99.90,  12.01,   0.00,  (max)
03/05 01Z,   0.20,  11.70,  99.90,  11.90,   0.00,
03/05 02Z,   0.20,  11.17,  99.90,  11.37,   0.00,
03/05 03Z,   0.20,   9.90,  99.90,  10.10,   0.00,
03/05 04Z,   0.20,   7.71,  99.90,   7.91,   0.00,
03/05 05Z,   0.20,   5.01,  99.90,   5.21,   0.00,
03/05 06Z,   0.30,   3.00,  99.90,   3.30,   0.00,
03/05 07Z,   0.30,   2.90,  99.90,   3.20,   0.00,  (min)
03/05 08Z,   0.30,   4.70,  99.90,   5.00,   0.00,
03/05 09Z,   0.40,   7.18,  99.90,   7.58,   0.00,
03/05 10Z,   0.30,   9.17,  99.90,   9.47,   0.00,
03/05 11Z,   0.40,  10.25,  99.90,  10.65,   0.00,
03/05 12Z,   0.40,  10.60,  99.90,  11.00,   0.00,
03/05 13Z,   0.40,  10.61,  99.90,  11.01,   0.00,  (max)
03/05 14Z,   0.40,  10.33,  99.90,  10.73,   0.00,
03/05 15Z,   0.40,   9.49,  99.90,   9.89,   0.00,
03/05 16Z,   0.40,   7.85,  99.90,   8.25,   0.00,
03/05 17Z,   0.40,   5.52,  99.90,   5.92,   0.00,
03/05 18Z,   0.40,   3.39,  99.90,   3.79,   0.00,
03/05 19Z,   0.40,   2.79,  99.90,   3.19,   0.00,  (min)
03/05 20Z,   0.40,   4.23,  99.90,   4.63,   0.00,
03/05 21Z,   0.40,   6.77,  99.90,   7.17,   0.00,
03/05 22Z,   0.40,   9.10,  99.90,   9.50,   0.00,
03/05 23Z,   0.40,  10.55,  99.90,  10.95,   0.00,
03/06 00Z,   0.30,  11.14,  99.90,  11.44,   0.00,
03/06 01Z,   0.30,  11.25,  99.90,  11.55,   0.00,  (max)
03/06 02Z,   0.20,  11.05,  99.90,  11.25,   0.00,
03/06 03Z,   0.20,  10.37,  99.90,  10.57,   0.00,
03/06 04Z,   0.10,   8.91,  99.90,   9.01,   0.00,
03/06 05Z,   0.10,   6.57,  99.90,   6.67,   0.00,
03/06 06Z,   0.00,   3.90,  99.90,   3.90,   0.00,
03/06 07Z,   0.00,   2.20,  99.90,   2.20,   0.00,  (min)
03/06 08Z,   0.00,   2.56,  99.90,   2.56,   0.00,
03/06 09Z,   0.00,   4.69,  99.90,   4.69,   0.00,
03/06 10Z,  -0.10,   7.31,  99.90,   7.21,   0.00,
03/06 11Z,  -0.10,   9.35,  99.90,   9.25,   0.00,
03/06 12Z,   0.00,  10.45,  99.90,  10.45,   0.00,
03/06 13Z,   0.00,  10.82,  99.90,  10.82,   0.00,
03/06 14Z,   0.10,  10.84,  99.90,  10.94,   0.00,  (max)
03/06 15Z,   0.30,  10.62,  99.90,  10.92,   0.00,
03/06 16Z,   0.40,   9.90,  99.90,  10.30,   0.00,
03/06 17Z,   0.50,   8.42,  99.90,   8.92,   0.00,
03/06 18Z,   0.60,   6.29,  99.90,   6.89,   0.00,
03/06 19Z,   0.70,   4.41,  99.90,   5.11,   0.00,
03/06 20Z,   0.90,   4.00,  99.90,   4.90,   0.00,  (min)
03/06 21Z,   1.00,   5.37,  99.90,   6.37,   0.00,
03/06 22Z,   1.10,   7.53,  99.90,   8.63,   0.00,
03/06 23Z,   1.10,   9.33,  99.90,  10.43,   0.00,
03/07 00Z,   1.20,  10.31,  99.90,  11.51,   0.00,
03/07 01Z,   1.20,  10.62,  99.90,  11.82,   0.00,  (max)
03/07 02Z,   1.10,  10.63,  99.90,  11.73,   0.00,
03/07 03Z,   1.10,  10.34,  99.90,  11.44,   0.00,
03/07 04Z,   1.00,   9.50,  99.90,  10.50,   0.00,
03/07 05Z,   1.00,   7.86,  99.90,   8.86,   0.00,
03/07 06Z,   1.00,   5.43,  99.90,   6.43,   0.00,
03/07 07Z,   0.90,   2.93,  99.90,   3.83,   0.00,
03/07 08Z,   0.90,   1.67,  99.90,   2.57,   0.00,  (min)
03/07 09Z,   0.90,   2.55,  99.90,   3.45,   0.00,
03/07 10Z,   0.90,   5.00,  99.90,   5.90,   0.00,
03/07 11Z,   0.90,   7.68,  99.90,   8.58,   0.00,
03/07 12Z,   0.90,   9.66,  99.90,  10.56,   0.00,
03/07 13Z,   0.90,  10.70,  99.90,  11.60,   0.00,
03/07 14Z,   0.90,  11.05,  99.90,  11.95,   0.00,
03/07 15Z,   1.00,  11.06,  99.90,  12.06,   0.00,  (max)
03/07 16Z,   1.00,  10.88,  99.90,  11.88,   0.00,
03/07 17Z,   1.10,  10.23,  99.90,  11.33,   0.00,
03/07 18Z,   1.20,   8.85,  99.90,  10.05,   0.00,
03/07 19Z,   1.30,   6.89,  99.90,   8.19,   0.00,
03/07 20Z,   1.30,   5.25,  99.90,   6.55,   0.00,
03/07 21Z,   1.40,   5.04,  99.90,   6.44,   0.00,  (min)
03/07 22Z,   1.30,   6.33,  99.90,   7.63,   0.00,
03/07 23Z,   1.20,   8.11,  99.90,   9.31,   0.00,
03/08 00Z,   1.10,   9.41,  99.90,  10.51,   0.00,
03/08 01Z,   1.00,   9.98,  99.90,  10.98,   0.00,
03/08 02Z,   1.00,  10.08,  99.90,  11.08,   0.00,  (max)
03/08 03Z,   0.90,  10.02,  99.90,  10.92,   0.00,
03/08 04Z,   0.80,   9.61,  99.90,  10.41,   0.00,
03/08 05Z,   0.80,   8.61,  99.90,   9.41,   0.00,
03/08 06Z,   0.70,   6.81,  99.90,   7.51,   0.00,
03/08 07Z,   0.70,   4.38,  99.90,   5.08,   0.00,
03/08 08Z,   0.70,   2.15,  99.90,   2.85,   0.00,
03/08 09Z,   0.60,   1.45,  99.90,   2.05,   0.00,  (min)
03/08 10Z,   0.60,   2.86,  99.90,   3.46,   0.00,
03/08 11Z,   0.50,   5.55,  99.90,   6.05,   0.00,
03/08 12Z,   0.40,   8.20,  99.90,   8.60,   0.00,
03/08 13Z,   0.30,  10.04,  99.90,  10.34,   0.00,
03/08 14Z,   0.30,  10.96,  99.90,  11.26,   0.00,
03/08 15Z,   0.20,  11.24,  99.90,  11.44,   0.00,
03/08 16Z,   0.20,  11.24,  99.90,  11.44,   0.00,  (max)
03/08 17Z,   0.20,  11.08,  99.90,  11.28,   0.00,
03/08 18Z,   0.30,  10.45,  99.90,  10.75,   0.00,
03/08 19Z,   0.20,   9.11,  99.90,   9.31,   0.00,
03/08 20Z,   0.20,   7.29,  99.90,   7.49,   0.00,
03/08 21Z,   0.10,   5.91,  99.90,   6.01,   0.00,
03/08 22Z,   0.00,   5.91,  99.90,   5.91,   0.00,  (min)
03/08 23Z,   0.00,   7.13,  99.90,   7.13,   0.00,
03/09 00Z,  -0.10,   8.53,  99.90,   8.43,   0.00,
03/09 01Z,  -0.20,   9.37,  99.90,   9.17,   0.00,
03/09 02Z,  -0.30,   9.60,  99.90,   9.30,   0.00,  (max)
03/09 03Z,  -0.40,   9.61,  99.90,   9.21,   0.00,
03/09 04Z,  -0.40,   9.47,  99.90,   9.07,   0.00,
03/09 05Z,  -0.40,   8.92,  99.90,   8.52,   0.00,
03/09 06Z,  -0.30,   7.75,  99.90,   7.45,   0.00,
03/09 07Z,  -0.30,   5.83,  99.90,   5.53,   0.00,
03/09 08Z,  -0.30,   3.46,  99.90,   3.16,   0.00,
03/09 09Z,  -0.30,   1.60,  99.90,   1.30,   0.00,
03/09 10Z,  -0.40,   1.51,  99.90,   1.11,   0.00,  (min)
03/09 11Z,  -0.50,   3.41,  99.90,   2.91,   0.00,
03/09 12Z,  -0.60,   6.24,  99.90,   5.64,   0.00,
03/09 13Z,  -0.60,   8.77,  99.90,   8.17,   0.00,
03/09 14Z,  -0.70,  10.40,  99.90,   9.70,   0.00,
03/09 15Z,  -0.70,  11.16,  99.90,  10.46,   0.00,
03/09 16Z,  -0.60,  11.37,  99.90,  10.77,   0.00,  (max)
03/09 17Z,  -0.60,  11.36,  99.90,  10.76,   0.00,
03/09 18Z,  -0.50,  11.20,  99.90,  10.70,   0.00,
03/09 19Z,  -0.50,  10.55,  99.90,  10.05,   0.00,
03/09 20Z,  -0.40,   9.23,  99.90,   8.83,   0.00,
03/09 21Z,  -0.30,   7.55,  99.90,   7.25,   0.00,
03/09 22Z,  -0.20,   6.43,  99.90,   6.23,   0.00,  (min)
03/09 23Z,  -0.20,   6.64,  99.90,   6.44,   0.00,
03/10 00Z,  -0.30,   7.76,  99.90,   7.46,   0.00,