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 : 04/20/2026 12:21:07 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/18 12Z,  -0.10,  11.20,  99.90,  11.10,   0.00,  (max)
04/18 13Z,  -0.10,  10.02,  99.90,   9.92,   0.00,
04/18 14Z,  -0.10,   7.82,  99.90,   7.72,   0.00,
04/18 15Z,  -0.10,   5.48,  99.90,   5.38,   0.00,
04/18 16Z,   0.00,   3.48,  99.90,   3.48,   0.00,
04/18 17Z,   0.00,   2.05,  99.90,   2.05,   0.00,
04/18 18Z,   0.10,   1.26,  99.90,   1.36,   0.00,
04/18 19Z,   0.10,   1.14,  99.90,   1.24,   0.00,  (min)
04/18 20Z,   0.20,   1.97,  99.90,   2.17,   0.00,
04/18 21Z,   0.20,   4.24,  99.90,   4.44,   0.00,
04/18 22Z,   0.30,   7.10,  99.90,   7.40,   0.00,
04/18 23Z,   0.30,   8.83,  99.90,   9.13,   0.00,
04/19 00Z,   0.60,   8.69,  99.90,   9.29,   0.00,  (max)
04/19 01Z,   0.70,   7.18,  99.90,   7.88,   0.00,
04/19 02Z,   0.90,   5.00,  99.90,   5.90,   0.00,
04/19 03Z,   1.10,   2.88,  99.90,   3.98,   0.00,
04/19 04Z,   1.30,   1.26,  99.90,   2.56,   0.00,
04/19 05Z,   1.60,   0.25,  99.90,   1.85,   0.00,
04/19 06Z,   1.80,  -0.22,  99.90,   1.58,   0.00,  (min)
04/19 07Z,   2.10,  -0.26,  99.90,   1.84,   0.00,
04/19 08Z,   2.40,   0.30,  99.90,   2.70,   0.00,
04/19 09Z,   2.60,   2.05,  99.90,   4.65,   0.00,
04/19 10Z,   2.90,   5.22,  99.90,   8.12,   0.00,
04/19 11Z,   3.00,   8.80,  99.90,  11.80,   0.00,
04/19 12Z,   2.40,  11.31,  99.90,  13.71,   0.00,  0.14 ft above HAT
04/19 13Z,   2.40,  11.88,  99.90,  14.28,   0.00,  0.71 ft above HAT  (max)
04/19 14Z,   2.30,  10.53,  99.90,  12.83,   0.00,
04/19 15Z,   2.20,   8.16,  99.90,  10.36,   0.00,
04/19 16Z,   2.10,   5.67,  99.90,   7.77,   0.00,
04/19 17Z,   2.10,   3.56,  99.90,   5.66,   0.00,
04/19 18Z,   2.20,   2.08,  99.90,   4.28,   0.00,
04/19 19Z,   2.30,   1.28,  99.90,   3.58,   0.00,
04/19 20Z,   2.30,   1.18,  99.90,   3.48,   0.00,  (min)
04/19 21Z,   2.40,   2.11,  99.90,   4.51,   0.00,
04/19 22Z,   2.50,   4.50,  99.90,   7.00,   0.00,
04/19 23Z,   2.60,   7.32,  99.90,   9.92,   0.00,
04/20 00Z,   2.50,   8.81,  99.90,  11.31,   0.00,  (max)
04/20 01Z,   2.50,   8.41,  99.90,  10.91,   0.00,
04/20 02Z,   2.60,   6.72,  99.90,   9.32,   0.00,
04/20 03Z,   2.60,   4.47,  99.90,   7.07,   0.00,
04/20 04Z,   2.70,   2.39,  99.90,   5.09,   0.00,
04/20 05Z,   2.80,   0.85,  99.90,   3.65,   0.00,
04/20 06Z,   2.80,  -0.06,  99.90,   2.74,   0.00,
04/20 07Z,   2.80,  -0.44,  99.90,   2.36,   0.00,
04/20 08Z,   2.70,  -0.41,  99.90,   2.29,   0.00,  (min)
04/20 09Z,   2.60,   0.27,  99.90,   2.87,   0.00,
04/20 10Z,   2.60,   2.27,  99.90,   4.87,   0.00,
04/20 11Z,   2.50,   5.70,  99.90,   8.20,   0.00,
04/20 12Z,   2.40,   9.42,  99.90,  11.82,   0.00,
04/20 13Z,   2.30,  11.93,  99.90,  14.23,   0.00,  0.66 ft above HAT
04/20 14Z,   2.20,  12.38,  99.90,  14.58,   0.00,  1.01 ft above HAT  (max)
04/20 15Z,   2.00,  10.86,  99.90,  12.86,   0.00,
04/20 16Z,   1.90,   8.35,  99.90,  10.25,   0.00,
04/20 17Z,   1.70,   5.74,  99.90,   7.44,   0.00,
04/20 18Z,   1.60,   3.55,  99.90,   5.15,   0.00,
04/20 19Z,   1.50,   2.03,  99.90,   3.53,   0.00,
04/20 20Z,   1.40,   1.25,  99.90,   2.65,   0.00,
04/20 21Z,   1.40,   1.19,  99.90,   2.59,   0.00,  (min)
04/20 22Z,   1.50,   2.21,  99.90,   3.71,   0.00,
04/20 23Z,   1.60,   4.69,  99.90,   6.29,   0.00,
04/21 00Z,   1.60,   7.47,  99.90,   9.07,   0.00,
04/21 01Z,   1.50,   8.80,  99.90,  10.30,   0.00,  (max)
04/21 02Z,   1.50,   8.24,  99.90,   9.74,   0.00,
04/21 03Z,   1.40,   6.44,  99.90,   7.84,   0.00,
04/21 04Z,   1.30,   4.16,  99.90,   5.46,   0.00,
04/21 05Z,   1.20,   2.10,  99.90,   3.30,   0.00,
04/21 06Z,   1.10,   0.61,  99.90,   1.71,   0.00,
04/21 07Z,   1.00,  -0.25,  99.90,   0.75,   0.00,
04/21 08Z,   0.90,  -0.58,  99.90,   0.32,   0.00,
04/21 09Z,   0.80,  -0.49,  99.90,   0.31,   0.00,  (min)
04/21 10Z,   0.70,   0.30,  99.90,   1.00,   0.00,
04/21 11Z,   0.60,   2.49,  99.90,   3.09,   0.00,
04/21 12Z,   0.50,   6.10,  99.90,   6.60,   0.00,
04/21 13Z,   0.40,   9.89,  99.90,  10.29,   0.00,
04/21 14Z,   0.20,  12.35,  99.90,  12.55,   0.00,
04/21 15Z,   0.00,  12.65,  99.90,  12.65,   0.00,  (max)
04/21 16Z,   0.00,  10.98,  99.90,  10.98,   0.00,
04/21 17Z,  -0.20,   8.36,  99.90,   8.16,   0.00,
04/21 18Z,  -0.30,   5.68,  99.90,   5.38,   0.00,
04/21 19Z,  -0.50,   3.45,  99.90,   2.95,   0.00,
04/21 20Z,  -0.60,   1.93,  99.90,   1.33,   0.00,
04/21 21Z,  -0.60,   1.18,  99.90,   0.58,   0.00,
04/21 22Z,  -0.70,   1.17,  99.90,   0.47,   0.00,  (min)
04/21 23Z,  -0.70,   2.26,  99.90,   1.56,   0.00,
04/22 00Z,  -0.70,   4.79,  99.90,   4.09,   0.00,
04/22 01Z,  -0.70,   7.56,  99.90,   6.86,   0.00,
04/22 02Z,  -0.70,   8.83,  99.90,   8.13,   0.00,  (max)
04/22 03Z,  -0.60,   8.20,  99.90,   7.60,   0.00,
04/22 04Z,  -0.40,   6.34,  99.90,   5.94,   0.00,
04/22 05Z,  -0.30,   4.04,  99.90,   3.74,   0.00,
04/22 06Z,  -0.30,   1.99,  99.90,   1.69,   0.00,
04/22 07Z,  -0.20,   0.51,  99.90,   0.31,   0.00,
04/22 08Z,  -0.10,  -0.31,  99.90,  -0.41,   0.00,
04/22 09Z,   0.00,  -0.62,  99.90,  -0.62,   0.00,  (min)
04/22 10Z,   0.10,  -0.50,  99.90,  -0.40,   0.00,
04/22 11Z,   0.20,   0.39,  99.90,   0.59,   0.00,
04/22 12Z,   0.30,   2.71,  99.90,   3.01,   0.00,
04/22 13Z,   0.50,   6.42,  99.90,   6.92,   0.00,
04/22 14Z,   0.80,  10.22,  99.90,  11.02,   0.00,
04/22 15Z,   1.30,  12.56,  99.90,  13.86,   0.00,  0.29 ft above HAT
04/22 16Z,   1.80,  12.70,  99.90,  14.50,   0.00,  0.93 ft above HAT  (max)
04/22 17Z,   2.20,  10.90,  99.90,  13.10,   0.00,
04/22 18Z,   2.30,   8.21,  99.90,  10.51,   0.00,
04/22 19Z,   2.40,   5.49,  99.90,   7.89,   0.00,
04/22 20Z,   2.20,   3.26,  99.90,   5.46,   0.00,
04/22 21Z,   2.10,   1.78,  99.90,   3.88,   0.00,
04/22 22Z,   1.90,   1.07,  99.90,   2.97,   0.00,
04/22 23Z,   1.70,   1.11,  99.90,   2.81,   0.00,  (min)
04/23 00Z,   1.50,   2.26,  99.90,   3.76,   0.00,
04/23 01Z,   1.50,   4.81,  99.90,   6.31,   0.00,
04/23 02Z,   1.60,   7.58,  99.90,   9.18,   0.00,
04/23 03Z,   1.70,   8.88,  99.90,  10.58,   0.00,  (max)
04/23 04Z,   1.80,   8.27,  99.90,  10.07,   0.00,
04/23 05Z,   1.90,   6.41,  99.90,   8.31,   0.00,
04/23 06Z,   2.00,   4.11,  99.90,   6.11,   0.00,
04/23 07Z,   2.10,   2.05,  99.90,   4.15,   0.00,
04/23 08Z,   2.20,   0.57,  99.90,   2.77,   0.00,
04/23 09Z,   2.20,  -0.27,  99.90,   1.93,   0.00,
04/23 10Z,   2.20,  -0.56,  99.90,   1.64,   0.00,  (min)
04/23 11Z,   2.20,  -0.42,  99.90,   1.78,   0.00,
04/23 12Z,   2.30,   0.53,  99.90,   2.83,   0.00,
04/23 13Z,   2.30,   2.94,  99.90,   5.24,   0.00,
04/23 14Z,   2.40,   6.67,  99.90,   9.07,   0.00,
04/23 15Z,   2.40,  10.40,  99.90,  12.80,   0.00,
04/23 16Z,   2.50,  12.58,  99.90,  15.08,   0.00,  1.51 ft above HAT
04/23 17Z,   2.60,  12.53,  99.90,  15.13,   0.00,  1.56 ft above HAT  (max)
04/23 18Z,   2.70,  10.63,  99.90,  13.33,   0.00,
04/23 19Z,   2.80,   7.90,  99.90,  10.70,   0.00,
04/23 20Z,   2.80,   5.19,  99.90,   7.99,   0.00,
04/23 21Z,   2.90,   3.00,  99.90,   5.90,   0.00,
04/23 22Z,   2.80,   1.58,  99.90,   4.38,   0.00,
04/23 23Z,   2.80,   0.94,  99.90,   3.74,   0.00,
04/24 00Z,   2.70,   1.03,  99.90,   3.73,   0.00,