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
#Egegik River, Ent, AK : 10/17/2026 00:21:59 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/15 06Z,  -1.10,  16.07,  99.90,  14.97,   0.00,
10/15 07Z,  -0.90,  13.49,  99.90,  12.59,   0.00,
10/15 08Z,  -0.90,  10.51,  99.90,   9.61,   0.00,
10/15 09Z,  -0.80,   7.74,  99.90,   6.94,   0.00,
10/15 10Z,  -0.80,   5.95,  99.90,   5.15,   0.00,
10/15 11Z,  -0.80,   5.69,  99.90,   4.89,   0.00,  (min)
10/15 12Z,  -0.40,   6.90,  99.90,   6.50,   0.00,
10/15 13Z,  -0.50,   8.93,  99.90,   8.43,   0.00,
10/15 14Z,  -0.50,  10.95,  99.90,  10.45,   0.00,
10/15 15Z,  -0.50,  12.27,  99.90,  11.77,   0.00,
10/15 16Z,  -0.60,  12.43,  99.90,  11.83,   0.00,  (max)
10/15 17Z,  -0.60,  11.38,  99.90,  10.78,   0.00,
10/15 18Z,  -0.50,   9.44,  99.90,   8.94,   0.00,
10/15 19Z,  -0.40,   7.00,  99.90,   6.60,   0.00,
10/15 20Z,  -0.50,   4.40,  99.90,   3.90,   0.00,
10/15 21Z,  -0.40,   2.11,  99.90,   1.71,   0.00,
10/15 22Z,  -0.30,   0.87,  99.90,   0.57,   0.00,  (min)
10/15 23Z,  -0.10,   1.43,  99.90,   1.33,   0.00,
10/16 00Z,   0.00,   3.96,  99.90,   3.96,   0.00,
10/16 01Z,   0.10,   7.75,  99.90,   7.85,   0.00,
10/16 02Z,   0.30,  11.84,  99.90,  12.14,   0.00,
10/16 03Z,   0.40,  15.37,  99.90,  15.77,   0.00,
10/16 04Z,   0.50,  17.64,  99.90,  18.14,   0.00,
10/16 05Z,   0.60,  18.25,  99.90,  18.85,   0.00,  (max)
10/16 06Z,   0.70,  17.38,  99.90,  18.08,   0.00,
10/16 07Z,   0.80,  15.45,  99.90,  16.25,   0.00,
10/16 08Z,   0.90,  12.83,  99.90,  13.73,   0.00,
10/16 09Z,   1.00,   9.93,  99.90,  10.93,   0.00,
10/16 10Z,   1.00,   7.39,  99.90,   8.39,   0.00,
10/16 11Z,   1.10,   5.94,  99.90,   7.04,   0.00,  (min)
10/16 12Z,   1.20,   6.01,  99.90,   7.21,   0.00,
10/16 13Z,   1.30,   7.42,  99.90,   8.72,   0.00,
10/16 14Z,   1.40,   9.40,  99.90,  10.80,   0.00,
10/16 15Z,   1.50,  11.18,  99.90,  12.68,   0.00,
10/16 16Z,   1.50,  12.15,  99.90,  13.65,   0.00,  (max)
10/16 17Z,   1.60,  11.96,  99.90,  13.56,   0.00,
10/16 18Z,   1.40,  10.68,  99.90,  12.08,   0.00,
10/16 19Z,   1.40,   8.66,  99.90,  10.06,   0.00,
10/16 20Z,   1.40,   6.28,  99.90,   7.68,   0.00,
10/16 21Z,   1.40,   3.86,  99.90,   5.26,   0.00,
10/16 22Z,   1.40,   1.89,  99.90,   3.29,   0.00,
10/16 23Z,   1.30,   1.11,  99.90,   2.41,   0.00,  (min)
10/17 00Z,   1.30,   2.19,  99.90,   3.49,   0.00,
10/17 01Z,   1.30,   5.08,  99.90,   6.38,   0.00,
10/17 02Z,   1.20,   8.96,  99.90,  10.16,   0.00,
10/17 03Z,   1.10,  12.87,  99.90,  13.97,   0.00,
10/17 04Z,   1.00,  16.01,  99.90,  17.01,   0.00,
10/17 05Z,   1.00,  17.77,  99.90,  18.77,   0.00,
10/17 06Z,   0.90,  17.92,  99.90,  18.82,   0.00,  (max)
10/17 07Z,   0.90,  16.74,  99.90,  17.64,   0.00,
10/17 08Z,   0.90,  14.65,  99.90,  15.55,   0.00,
10/17 09Z,   0.90,  12.02,  99.90,  12.92,   0.00,
10/17 10Z,   0.80,   9.25,  99.90,  10.05,   0.00,
10/17 11Z,   0.80,   6.98,  99.90,   7.78,   0.00,
10/17 12Z,   0.80,   5.91,  99.90,   6.71,   0.00,  (min)
10/17 13Z,   0.70,   6.35,  99.90,   7.05,   0.00,
10/17 14Z,   0.70,   7.96,  99.90,   8.66,   0.00,
10/17 15Z,   0.60,   9.91,  99.90,  10.51,   0.00,
10/17 16Z,   0.60,  11.46,  99.90,  12.06,   0.00,
10/17 17Z,   0.60,  12.10,  99.90,  12.70,   0.00,  (max)
10/17 18Z,   0.60,  11.59,  99.90,  12.19,   0.00,
10/17 19Z,   0.60,  10.11,  99.90,  10.71,   0.00,
10/17 20Z,   0.60,   8.03,  99.90,   8.63,   0.00,
10/17 21Z,   0.60,   5.71,  99.90,   6.31,   0.00,
10/17 22Z,   0.60,   3.46,  99.90,   4.06,   0.00,
10/17 23Z,   0.50,   1.81,  99.90,   2.31,   0.00,
10/18 00Z,   0.50,   1.49,  99.90,   1.99,   0.00,  (min)
10/18 01Z,   0.50,   3.05,  99.90,   3.55,   0.00,
10/18 02Z,   0.40,   6.24,  99.90,   6.64,   0.00,
10/18 03Z,   0.30,  10.12,  99.90,  10.42,   0.00,
10/18 04Z,   0.30,  13.77,  99.90,  14.07,   0.00,
10/18 05Z,   0.30,  16.48,  99.90,  16.78,   0.00,
10/18 06Z,   0.30,  17.72,  99.90,  18.02,   0.00,  (max)
10/18 07Z,   0.40,  17.43,  99.90,  17.83,   0.00,
10/18 08Z,   0.40,  15.96,  99.90,  16.36,   0.00,
10/18 09Z,   0.50,  13.74,  99.90,  14.24,   0.00,
10/18 10Z,   0.50,  11.10,  99.90,  11.60,   0.00,
10/18 11Z,   0.50,   8.49,  99.90,   8.99,   0.00,
10/18 12Z,   0.40,   6.53,  99.90,   6.93,   0.00,
10/18 13Z,   0.40,   5.87,  99.90,   6.27,   0.00,  (min)
10/18 14Z,   0.30,   6.70,  99.90,   7.00,   0.00,
10/18 15Z,   0.20,   8.50,  99.90,   8.70,   0.00,
10/18 16Z,   0.20,  10.41,  99.90,  10.61,   0.00,
10/18 17Z,   0.20,  11.75,  99.90,  11.95,   0.00,
10/18 18Z,   0.20,  12.10,  99.90,  12.30,   0.00,  (max)
10/18 19Z,   0.30,  11.32,  99.90,  11.62,   0.00,
10/18 20Z,   0.30,   9.67,  99.90,   9.97,   0.00,
10/18 21Z,   0.40,   7.55,  99.90,   7.95,   0.00,
10/18 22Z,   0.40,   5.29,  99.90,   5.69,   0.00,
10/18 23Z,   0.50,   3.23,  99.90,   3.73,   0.00,
10/19 00Z,   0.50,   1.90,  99.90,   2.40,   0.00,  (min)
10/19 01Z,   0.50,   2.01,  99.90,   2.51,   0.00,
10/19 02Z,   0.50,   3.99,  99.90,   4.49,   0.00,
10/19 03Z,   0.60,   7.40,  99.90,   8.00,   0.00,
10/19 04Z,   0.70,  11.21,  99.90,  11.91,   0.00,
10/19 05Z,   0.90,  14.55,  99.90,  15.45,   0.00,
10/19 06Z,   1.10,  16.78,  99.90,  17.88,   0.00,
10/19 07Z,   1.20,  17.51,  99.90,  18.71,   0.00,  (max)
10/19 08Z,   1.40,  16.80,  99.90,  18.20,   0.00,
10/19 09Z,   1.50,  15.06,  99.90,  16.56,   0.00,
10/19 10Z,   1.50,  12.71,  99.90,  14.21,   0.00,
10/19 11Z,   1.50,  10.10,  99.90,  11.60,   0.00,
10/19 12Z,   1.30,   7.66,  99.90,   8.96,   0.00,
10/19 13Z,   1.20,   6.03,  99.90,   7.23,   0.00,
10/19 14Z,   1.00,   5.80,  99.90,   6.80,   0.00,  (min)
10/19 15Z,   0.80,   7.02,  99.90,   7.82,   0.00,
10/19 16Z,   0.70,   9.01,  99.90,   9.71,   0.00,
10/19 17Z,   0.70,  10.89,  99.90,  11.59,   0.00,
10/19 18Z,   0.80,  12.05,  99.90,  12.85,   0.00,
10/19 19Z,   0.90,  12.15,  99.90,  13.05,   0.00,  (max)
10/19 20Z,   1.00,  11.16,  99.90,  12.16,   0.00,
10/19 21Z,   1.10,   9.39,  99.90,  10.49,   0.00,
10/19 22Z,   1.00,   7.25,  99.90,   8.25,   0.00,
10/19 23Z,   1.00,   5.08,  99.90,   6.08,   0.00,
10/20 00Z,   0.90,   3.20,  99.90,   4.10,   0.00,
10/20 01Z,   0.80,   2.17,  99.90,   2.97,   0.00,  (min)
10/20 02Z,   0.70,   2.69,  99.90,   3.39,   0.00,
10/20 03Z,   0.60,   5.03,  99.90,   5.63,   0.00,
10/20 04Z,   0.50,   8.56,  99.90,   9.06,   0.00,
10/20 05Z,   0.50,  12.21,  99.90,  12.71,   0.00,
10/20 06Z,   0.50,  15.18,  99.90,  15.68,   0.00,
10/20 07Z,   0.50,  16.90,  99.90,  17.40,   0.00,
10/20 08Z,   0.50,  17.12,  99.90,  17.62,   0.00,  (max)
10/20 09Z,   0.50,  16.00,  99.90,  16.50,   0.00,
10/20 10Z,   0.30,  14.01,  99.90,  14.31,   0.00,
10/20 11Z,   0.10,  11.56,  99.90,  11.66,   0.00,
10/20 12Z,   0.00,   8.97,  99.90,   8.97,   0.00,
10/20 13Z,  -0.30,   6.72,  99.90,   6.42,   0.00,
10/20 14Z,  -0.40,   5.45,  99.90,   5.05,   0.00,  (min)
10/20 15Z,  -0.30,   5.68,  99.90,   5.38,   0.00,
10/20 16Z,  -0.10,   7.30,  99.90,   7.20,   0.00,
10/20 17Z,   0.10,   9.49,  99.90,   9.59,   0.00,
10/20 18Z,   0.60,  11.36,  99.90,  11.96,   0.00,