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 : 03/08/2026 16:21:03 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/07 00Z,   0.80,  10.31,  99.90,  11.11,   0.00,
03/07 01Z,   0.80,  10.62,  99.90,  11.42,   0.00,
03/07 02Z,   0.80,  10.63,  99.90,  11.43,   0.00,  (max)
03/07 03Z,   0.80,  10.34,  99.90,  11.14,   0.00,
03/07 04Z,   0.80,   9.50,  99.90,  10.30,   0.00,
03/07 05Z,   0.70,   7.86,  99.90,   8.56,   0.00,
03/07 06Z,   0.70,   5.43,  99.90,   6.13,   0.00,
03/07 07Z,   0.60,   2.93,  99.90,   3.53,   0.00,
03/07 08Z,   0.60,   1.67,  99.90,   2.27,   0.00,  (min)
03/07 09Z,   0.60,   2.55,  99.90,   3.15,   0.00,
03/07 10Z,   0.60,   5.00,  99.90,   5.60,   0.00,
03/07 11Z,   0.60,   7.68,  99.90,   8.28,   0.00,
03/07 12Z,   0.60,   9.66,  99.90,  10.26,   0.00,
03/07 13Z,   0.60,  10.70,  99.90,  11.30,   0.00,
03/07 14Z,   0.60,  11.05,  99.90,  11.65,   0.00,
03/07 15Z,   0.60,  11.06,  99.90,  11.66,   0.00,  (max)
03/07 16Z,   0.70,  10.88,  99.90,  11.58,   0.00,
03/07 17Z,   0.80,  10.23,  99.90,  11.03,   0.00,
03/07 18Z,   0.70,   8.85,  99.90,   9.55,   0.00,
03/07 19Z,   0.70,   6.89,  99.90,   7.59,   0.00,
03/07 20Z,   0.70,   5.25,  99.90,   5.95,   0.00,
03/07 21Z,   0.60,   5.04,  99.90,   5.64,   0.00,  (min)
03/07 22Z,   0.60,   6.33,  99.90,   6.93,   0.00,
03/07 23Z,   0.60,   8.11,  99.90,   8.71,   0.00,
03/08 00Z,   0.70,   9.41,  99.90,  10.11,   0.00,
03/08 01Z,   0.60,   9.98,  99.90,  10.58,   0.00,
03/08 02Z,   0.60,  10.08,  99.90,  10.68,   0.00,  (max)
03/08 03Z,   0.60,  10.02,  99.90,  10.62,   0.00,
03/08 04Z,   0.60,   9.61,  99.90,  10.21,   0.00,
03/08 05Z,   0.50,   8.61,  99.90,   9.11,   0.00,
03/08 06Z,   0.50,   6.81,  99.90,   7.31,   0.00,
03/08 07Z,   0.40,   4.38,  99.90,   4.78,   0.00,
03/08 08Z,   0.40,   2.15,  99.90,   2.55,   0.00,
03/08 09Z,   0.30,   1.45,  99.90,   1.75,   0.00,  (min)
03/08 10Z,   0.30,   2.86,  99.90,   3.16,   0.00,
03/08 11Z,   0.20,   5.55,  99.90,   5.75,   0.00,
03/08 12Z,   0.20,   8.20,  99.90,   8.40,   0.00,
03/08 13Z,   0.10,  10.04,  99.90,  10.14,   0.00,
03/08 14Z,   0.10,  10.96,  99.90,  11.06,   0.00,
03/08 15Z,   0.00,  11.24,  99.90,  11.24,   0.00,
03/08 16Z,   0.00,  11.24,  99.90,  11.24,   0.00,  (max)
03/08 17Z,   0.00,  11.08,  99.90,  11.08,   0.00,
03/08 18Z,   0.00,  10.45,  99.90,  10.45,   0.00,
03/08 19Z,   0.00,   9.11,  99.90,   9.11,   0.00,
03/08 20Z,  -0.10,   7.29,  99.90,   7.19,   0.00,
03/08 21Z,  -0.20,   5.91,  99.90,   5.71,   0.00,
03/08 22Z,  -0.30,   5.91,  99.90,   5.61,   0.00,  (min)
03/08 23Z,  -0.40,   7.13,  99.90,   6.73,   0.00,
03/09 00Z,  -0.50,   8.53,  99.90,   8.03,   0.00,
03/09 01Z,  -0.50,   9.37,  99.90,   8.87,   0.00,
03/09 02Z,  -0.50,   9.60,  99.90,   9.10,   0.00,  (max)
03/09 03Z,  -0.60,   9.61,  99.90,   9.01,   0.00,
03/09 04Z,  -0.60,   9.47,  99.90,   8.87,   0.00,
03/09 05Z,  -0.50,   8.92,  99.90,   8.42,   0.00,
03/09 06Z,  -0.50,   7.75,  99.90,   7.25,   0.00,
03/09 07Z,  -0.50,   5.83,  99.90,   5.33,   0.00,
03/09 08Z,  -0.50,   3.46,  99.90,   2.96,   0.00,
03/09 09Z,  -0.60,   1.60,  99.90,   1.00,   0.00,
03/09 10Z,  -0.60,   1.51,  99.90,   0.91,   0.00,  (min)
03/09 11Z,  -0.70,   3.41,  99.90,   2.71,   0.00,
03/09 12Z,  -0.70,   6.24,  99.90,   5.54,   0.00,
03/09 13Z,  -0.80,   8.77,  99.90,   7.97,   0.00,
03/09 14Z,  -0.90,  10.40,  99.90,   9.50,   0.00,
03/09 15Z,  -1.00,  11.16,  99.90,  10.16,   0.00,
03/09 16Z,  -1.00,  11.37,  99.90,  10.37,   0.00,  (max)
03/09 17Z,  -1.00,  11.36,  99.90,  10.36,   0.00,
03/09 18Z,  -1.00,  11.20,  99.90,  10.20,   0.00,
03/09 19Z,  -1.00,  10.55,  99.90,   9.55,   0.00,
03/09 20Z,  -0.90,   9.23,  99.90,   8.33,   0.00,
03/09 21Z,  -0.90,   7.55,  99.90,   6.65,   0.00,
03/09 22Z,  -0.80,   6.43,  99.90,   5.63,   0.00,  (min)
03/09 23Z,  -0.80,   6.64,  99.90,   5.84,   0.00,
03/10 00Z,  -0.80,   7.76,  99.90,   6.96,   0.00,
03/10 01Z,  -0.80,   8.80,  99.90,   8.00,   0.00,
03/10 02Z,  -0.70,   9.25,  99.90,   8.55,   0.00,
03/10 03Z,  -0.70,   9.27,  99.90,   8.57,   0.00,  (max)
03/10 04Z,  -0.80,   9.23,  99.90,   8.43,   0.00,
03/10 05Z,  -0.80,   8.99,  99.90,   8.19,   0.00,
03/10 06Z,  -0.70,   8.29,  99.90,   7.59,   0.00,
03/10 07Z,  -0.70,   6.94,  99.90,   6.24,   0.00,
03/10 08Z,  -0.70,   4.93,  99.90,   4.23,   0.00,
03/10 09Z,  -0.70,   2.69,  99.90,   1.99,   0.00,
03/10 10Z,  -0.80,   1.28,  99.90,   0.48,   0.00,  (min)
03/10 11Z,  -0.90,   1.78,  99.90,   0.88,   0.00,
03/10 12Z,  -1.00,   4.09,  99.90,   3.09,   0.00,
03/10 13Z,  -1.10,   6.96,  99.90,   5.86,   0.00,
03/10 14Z,  -1.10,   9.29,  99.90,   8.19,   0.00,
03/10 15Z,  -1.20,  10.69,  99.90,   9.49,   0.00,
03/10 16Z,  -1.30,  11.29,  99.90,   9.99,   0.00,
03/10 17Z,  -1.30,  11.42,  99.90,  10.12,   0.00,
03/10 18Z,  -1.30,  11.42,  99.90,  10.12,   0.00,  (max)
03/10 19Z,  -1.30,  11.24,  99.90,   9.94,   0.00,
03/10 20Z,  -1.20,  10.55,  99.90,   9.35,   0.00,
03/10 21Z,  -1.20,   9.23,  99.90,   8.03,   0.00,
03/10 22Z,  -1.20,   7.69,  99.90,   6.49,   0.00,
03/10 23Z,  -1.20,   6.86,  99.90,   5.66,   0.00,  (min)
03/11 00Z,  -1.20,   7.26,  99.90,   6.06,   0.00,
03/11 01Z,  -1.10,   8.26,  99.90,   7.16,   0.00,
03/11 02Z,  -1.10,   8.96,  99.90,   7.86,   0.00,
03/11 03Z,  -1.10,   9.11,  99.90,   8.01,   0.00,  (max)
03/11 04Z,  -1.10,   9.02,  99.90,   7.92,   0.00,
03/11 05Z,  -1.10,   8.95,  99.90,   7.85,   0.00,
03/11 06Z,  -1.20,   8.60,  99.90,   7.40,   0.00,
03/11 07Z,  -1.20,   7.73,  99.90,   6.53,   0.00,
03/11 08Z,  -1.30,   6.21,  99.90,   4.91,   0.00,
03/11 09Z,  -1.30,   4.14,  99.90,   2.84,   0.00,
03/11 10Z,  -1.30,   2.08,  99.90,   0.78,   0.00,
03/11 11Z,  -1.30,   1.15,  99.90,  -0.15,   0.00,  (min)
03/11 12Z,  -1.30,   2.21,  99.90,   0.91,   0.00,
03/11 13Z,  -1.20,   4.81,  99.90,   3.61,   0.00,
03/11 14Z,  -1.20,   7.63,  99.90,   6.43,   0.00,
03/11 15Z,  -1.10,   9.73,  99.90,   8.63,   0.00,
03/11 16Z,  -1.10,  10.90,  99.90,   9.80,   0.00,
03/11 17Z,  -1.10,  11.35,  99.90,  10.25,   0.00,
03/11 18Z,  -1.00,  11.42,  99.90,  10.42,   0.00,
03/11 19Z,  -1.00,  11.43,  99.90,  10.43,   0.00,  (max)
03/11 20Z,  -0.90,  11.21,  99.90,  10.31,   0.00,
03/11 21Z,  -0.90,  10.46,  99.90,   9.56,   0.00,
03/11 22Z,  -1.00,   9.15,  99.90,   8.15,   0.00,
03/11 23Z,  -1.00,   7.77,  99.90,   6.77,   0.00,
03/12 00Z,  -0.90,   7.23,  99.90,   6.33,   0.00,  (min)
03/12 01Z,  -0.90,   7.77,  99.90,   6.87,   0.00,
03/12 02Z,  -0.90,   8.62,  99.90,   7.72,   0.00,
03/12 03Z,  -0.90,   9.03,  99.90,   8.13,   0.00,  (max)
03/12 04Z,  -0.90,   8.98,  99.90,   8.08,   0.00,
03/12 05Z,  -0.90,   8.88,  99.90,   7.98,   0.00,
03/12 06Z,  -0.80,   8.76,  99.90,   7.96,   0.00,
03/12 07Z,  99.90,   8.27,  99.90,  99.90,   0.00,
03/12 08Z,  99.90,   7.21,  99.90,  99.90,   0.00,
03/12 09Z,  99.90,   5.54,  99.90,  99.90,   0.00,
03/12 10Z,  99.90,   3.45,  99.90,  99.90,   0.00,
03/12 11Z,  99.90,   1.63,  99.90,  99.90,   0.00,
03/12 12Z,  99.90,   1.19,  99.90,  99.90,   0.00,