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
#Apokak Creek Ent, AK : 05/17/2026 14:21:10 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 18Z,  -0.20,   2.73,  99.90,   2.53,   0.00,
05/15 19Z,  -0.20,   5.45,  99.90,   5.25,   0.00,
05/15 20Z,  -0.20,   8.17,  99.90,   7.97,   0.00,
05/15 21Z,  -0.20,   9.28,  99.90,   9.08,   0.00,  (max)
05/15 22Z,  -0.30,   8.60,  99.90,   8.30,   0.00,
05/15 23Z,  -0.30,   6.76,  99.90,   6.46,   0.00,
05/16 00Z,  -0.40,   4.49,  99.90,   4.09,   0.00,
05/16 01Z,  -0.40,   2.43,  99.90,   2.03,   0.00,
05/16 02Z,  -0.40,   0.95,  99.90,   0.55,   0.00,
05/16 03Z,  -0.40,   0.07,  99.90,  -0.33,   0.00,
05/16 04Z,  -0.30,  -0.30,  99.90,  -0.60,   0.00,  (min)
05/16 05Z,  -0.30,  -0.27,  99.90,  -0.57,   0.00,
05/16 06Z,  -0.20,   0.43,  99.90,   0.23,   0.00,
05/16 07Z,  -0.20,   2.40,  99.90,   2.20,   0.00,
05/16 08Z,  -0.20,   5.66,  99.90,   5.46,   0.00,
05/16 09Z,  -0.20,   9.03,  99.90,   8.83,   0.00,
05/16 10Z,  -0.20,  11.16,  99.90,  10.96,   0.00,
05/16 11Z,  -0.10,  11.38,  99.90,  11.28,   0.00,  (max)
05/16 12Z,   0.10,   9.84,  99.90,   9.94,   0.00,
05/16 13Z,   0.20,   7.51,  99.90,   7.71,   0.00,
05/16 14Z,   0.30,   5.18,  99.90,   5.48,   0.00,
05/16 15Z,   0.30,   3.28,  99.90,   3.58,   0.00,
05/16 16Z,   0.40,   1.99,  99.90,   2.39,   0.00,
05/16 17Z,   0.50,   1.37,  99.90,   1.87,   0.00,  (min)
05/16 18Z,   0.80,   1.50,  99.90,   2.30,   0.00,
05/16 19Z,   1.00,   2.89,  99.90,   3.89,   0.00,
05/16 20Z,   1.10,   5.69,  99.90,   6.79,   0.00,
05/16 21Z,   1.20,   8.25,  99.90,   9.45,   0.00,
05/16 22Z,   1.30,   9.03,  99.90,  10.33,   0.00,  (max)
05/16 23Z,   1.30,   8.11,  99.90,   9.41,   0.00,
05/17 00Z,   1.50,   6.12,  99.90,   7.62,   0.00,
05/17 01Z,   1.50,   3.82,  99.90,   5.32,   0.00,
05/17 02Z,   1.50,   1.84,  99.90,   3.34,   0.00,
05/17 03Z,   1.50,   0.47,  99.90,   1.97,   0.00,
05/17 04Z,   1.50,  -0.29,  99.90,   1.21,   0.00,
05/17 05Z,   1.50,  -0.56,  99.90,   0.94,   0.00,  (min)
05/17 06Z,   1.70,  -0.44,  99.90,   1.26,   0.00,
05/17 07Z,   1.60,   0.42,  99.90,   2.02,   0.00,
05/17 08Z,   1.60,   2.69,  99.90,   4.29,   0.00,
05/17 09Z,   1.60,   6.25,  99.90,   7.85,   0.00,
05/17 10Z,   1.50,   9.81,  99.90,  11.31,   0.00,
05/17 11Z,   1.50,  11.97,  99.90,  13.47,   0.00,
05/17 12Z,   1.60,  12.09,  99.90,  13.69,   0.00,  0.12 ft above HAT  (max)
05/17 13Z,   1.60,  10.38,  99.90,  11.98,   0.00,
05/17 14Z,   1.70,   7.87,  99.90,   9.57,   0.00,
05/17 15Z,   1.80,   5.38,  99.90,   7.18,   0.00,
05/17 16Z,   1.90,   3.36,  99.90,   5.26,   0.00,
05/17 17Z,   2.00,   2.01,  99.90,   4.01,   0.00,
05/17 18Z,   2.10,   1.37,  99.90,   3.47,   0.00,  (min)
05/17 19Z,   2.20,   1.51,  99.90,   3.71,   0.00,
05/17 20Z,   2.30,   2.97,  99.90,   5.27,   0.00,
05/17 21Z,   2.40,   5.80,  99.90,   8.20,   0.00,
05/17 22Z,   2.60,   8.26,  99.90,  10.86,   0.00,
05/17 23Z,   2.80,   8.84,  99.90,  11.64,   0.00,  (max)
05/18 00Z,   3.00,   7.76,  99.90,  10.76,   0.00,
05/18 01Z,   3.10,   5.69,  99.90,   8.79,   0.00,
05/18 02Z,   3.10,   3.38,  99.90,   6.48,   0.00,
05/18 03Z,   3.00,   1.45,  99.90,   4.45,   0.00,
05/18 04Z,   2.90,   0.15,  99.90,   3.05,   0.00,
05/18 05Z,   2.60,  -0.52,  99.90,   2.08,   0.00,
05/18 06Z,   2.30,  -0.74,  99.90,   1.56,   0.00,
05/18 07Z,   2.00,  -0.55,  99.90,   1.45,   0.00,  (min)
05/18 08Z,   1.60,   0.47,  99.90,   2.07,   0.00,
05/18 09Z,   1.40,   2.99,  99.90,   4.39,   0.00,
05/18 10Z,   1.10,   6.78,  99.90,   7.88,   0.00,
05/18 11Z,   1.00,  10.47,  99.90,  11.47,   0.00,
05/18 12Z,   0.80,  12.61,  99.90,  13.41,   0.00,  (max)
05/18 13Z,   0.70,  12.59,  99.90,  13.29,   0.00,
05/18 14Z,   0.70,  10.70,  99.90,  11.40,   0.00,
05/18 15Z,   0.70,   8.04,  99.90,   8.74,   0.00,
05/18 16Z,   0.80,   5.43,  99.90,   6.23,   0.00,
05/18 17Z,   0.90,   3.33,  99.90,   4.23,   0.00,
05/18 18Z,   0.90,   1.94,  99.90,   2.84,   0.00,
05/18 19Z,   1.00,   1.31,  99.90,   2.31,   0.00,  (min)
05/18 20Z,   1.00,   1.48,  99.90,   2.48,   0.00,
05/18 21Z,   1.00,   2.98,  99.90,   3.98,   0.00,
05/18 22Z,   1.00,   5.81,  99.90,   6.81,   0.00,
05/18 23Z,   1.00,   8.22,  99.90,   9.22,   0.00,
05/19 00Z,   1.00,   8.73,  99.90,   9.73,   0.00,  (max)
05/19 01Z,   0.90,   7.59,  99.90,   8.49,   0.00,
05/19 02Z,   0.90,   5.46,  99.90,   6.36,   0.00,
05/19 03Z,   0.80,   3.15,  99.90,   3.95,   0.00,
05/19 04Z,   0.70,   1.25,  99.90,   1.95,   0.00,
05/19 05Z,   0.60,  -0.01,  99.90,   0.59,   0.00,
05/19 06Z,   0.50,  -0.64,  99.90,  -0.14,   0.00,
05/19 07Z,   0.50,  -0.83,  99.90,  -0.33,   0.00,  (min)
05/19 08Z,   0.50,  -0.58,  99.90,  -0.08,   0.00,
05/19 09Z,   0.40,   0.57,  99.90,   0.97,   0.00,
05/19 10Z,   0.20,   3.29,  99.90,   3.49,   0.00,
05/19 11Z,   0.00,   7.24,  99.90,   7.24,   0.00,
05/19 12Z,   0.00,  10.97,  99.90,  10.97,   0.00,
05/19 13Z,   0.00,  13.04,  99.90,  13.04,   0.00,  (max)
05/19 14Z,   0.00,  12.84,  99.90,  12.84,   0.00,
05/19 15Z,   0.20,  10.81,  99.90,  11.01,   0.00,
05/19 16Z,   0.30,   8.03,  99.90,   8.33,   0.00,
05/19 17Z,   0.60,   5.33,  99.90,   5.93,   0.00,
05/19 18Z,   1.00,   3.19,  99.90,   4.19,   0.00,
05/19 19Z,   1.50,   1.80,  99.90,   3.30,   0.00,
05/19 20Z,   2.00,   1.20,  99.90,   3.20,   0.00,  (min)
05/19 21Z,   2.60,   1.40,  99.90,   4.00,   0.00,
05/19 22Z,   3.00,   2.92,  99.90,   5.92,   0.00,
05/19 23Z,   3.20,   5.73,  99.90,   8.93,   0.00,
05/20 00Z,   3.20,   8.16,  99.90,  11.36,   0.00,
05/20 01Z,   2.90,   8.71,  99.90,  11.61,   0.00,  (max)
05/20 02Z,   2.40,   7.57,  99.90,   9.97,   0.00,
05/20 03Z,   2.00,   5.44,  99.90,   7.44,   0.00,
05/20 04Z,   1.70,   3.13,  99.90,   4.83,   0.00,
05/20 05Z,   1.40,   1.23,  99.90,   2.63,   0.00,
05/20 06Z,   1.10,  -0.03,  99.90,   1.07,   0.00,
05/20 07Z,   1.00,  -0.65,  99.90,   0.35,   0.00,
05/20 08Z,   0.90,  -0.81,  99.90,   0.09,   0.00,  (min)
05/20 09Z,   0.90,  -0.53,  99.90,   0.37,   0.00,
05/20 10Z,   0.90,   0.73,  99.90,   1.63,   0.00,
05/20 11Z,   0.90,   3.58,  99.90,   4.48,   0.00,
05/20 12Z,   0.90,   7.61,  99.90,   8.51,   0.00,
05/20 13Z,   1.00,  11.32,  99.90,  12.32,   0.00,
05/20 14Z,   1.00,  13.24,  99.90,  14.24,   0.00,  0.67 ft above HAT  (max)
05/20 15Z,   1.00,  12.85,  99.90,  13.85,   0.00,  0.28 ft above HAT
05/20 16Z,   1.00,  10.68,  99.90,  11.68,   0.00,
05/20 17Z,   1.00,   7.83,  99.90,   8.83,   0.00,
05/20 18Z,   1.00,   5.09,  99.90,   6.09,   0.00,
05/20 19Z,   1.00,   2.94,  99.90,   3.94,   0.00,
05/20 20Z,   1.10,   1.60,  99.90,   2.70,   0.00,
05/20 21Z,   1.10,   1.05,  99.90,   2.15,   0.00,  (min)
05/20 22Z,   1.20,   1.29,  99.90,   2.49,   0.00,
05/20 23Z,   1.30,   2.80,  99.90,   4.10,   0.00,
05/21 00Z,   1.20,   5.56,  99.90,   6.76,   0.00,
05/21 01Z,   1.20,   8.06,  99.90,   9.26,   0.00,
05/21 02Z,   1.20,   8.75,  99.90,   9.95,   0.00,  (max)
05/21 03Z,   1.20,   7.68,  99.90,   8.88,   0.00,
05/21 04Z,   1.30,   5.58,  99.90,   6.88,   0.00,
05/21 05Z,   1.40,   3.29,  99.90,   4.69,   0.00,
05/21 06Z,   1.60,   1.38,  99.90,   2.98,   0.00,