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 Clarence, AK : 03/13/2026 08:21:19 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/11 12Z,  -1.40,   3.78,  99.90,   2.38,   0.00,
03/11 13Z,  -1.40,   3.78,  99.90,   2.38,   0.00,  (min)
03/11 14Z,  -1.40,   4.19,  99.90,   2.79,   0.00,
03/11 15Z,  -1.40,   4.96,  99.90,   3.56,   0.00,
03/11 16Z,  -1.40,   5.86,  99.90,   4.46,   0.00,
03/11 17Z,  -1.40,   6.72,  99.90,   5.32,   0.00,
03/11 18Z,  -1.40,   7.35,  99.90,   5.95,   0.00,
03/11 19Z,  -1.30,   7.54,  99.90,   6.24,   0.00,  (max)
03/11 20Z,  -1.30,   7.21,  99.90,   5.91,   0.00,
03/11 21Z,  -1.30,   6.51,  99.90,   5.21,   0.00,
03/11 22Z,  -1.20,   5.59,  99.90,   4.39,   0.00,
03/11 23Z,  -1.20,   4.57,  99.90,   3.37,   0.00,
03/12 00Z,  -1.20,   3.56,  99.90,   2.36,   0.00,
03/12 01Z,  -1.10,   2.70,  99.90,   1.60,   0.00,
03/12 02Z,  -1.10,   2.18,  99.90,   1.08,   0.00,
03/12 03Z,  -1.00,   2.06,  99.90,   1.06,   0.00,  (min)
03/12 04Z,  -1.00,   2.26,  99.90,   1.26,   0.00,
03/12 05Z,  -1.00,   2.70,  99.90,   1.70,   0.00,
03/12 06Z,  -0.90,   3.33,  99.90,   2.43,   0.00,
03/12 07Z,  -0.90,   3.97,  99.90,   3.07,   0.00,
03/12 08Z,  -0.90,   4.39,  99.90,   3.49,   0.00,
03/12 09Z,  -0.90,   4.55,  99.90,   3.65,   0.00,
03/12 10Z,  -0.90,   4.57,  99.90,   3.67,   0.00,
03/12 11Z,  -0.80,   4.51,  99.90,   3.71,   0.00,  (max)
03/12 12Z,  -0.70,   4.40,  99.90,   3.70,   0.00,
03/12 13Z,  -0.70,   4.29,  99.90,   3.59,   0.00,  (min)
03/12 14Z,  -0.70,   4.29,  99.90,   3.59,   0.00,
03/12 15Z,  -0.70,   4.56,  99.90,   3.86,   0.00,
03/12 16Z,  -0.70,   5.07,  99.90,   4.37,   0.00,
03/12 17Z,  -0.70,   5.69,  99.90,   4.99,   0.00,
03/12 18Z,  -0.60,   6.36,  99.90,   5.76,   0.00,
03/12 19Z,  -0.60,   6.93,  99.90,   6.33,   0.00,
03/12 20Z,  -0.60,   7.16,  99.90,   6.56,   0.00,  (max)
03/12 21Z,  -0.60,   6.96,  99.90,   6.36,   0.00,
03/12 22Z,  -0.60,   6.44,  99.90,   5.84,   0.00,
03/12 23Z,  -0.60,   5.70,  99.90,   5.10,   0.00,
03/13 00Z,  -0.60,   4.80,  99.90,   4.20,   0.00,
03/13 01Z,  -0.60,   3.82,  99.90,   3.22,   0.00,
03/13 02Z,  -0.60,   2.93,  99.90,   2.33,   0.00,
03/13 03Z,  -0.60,   2.27,  99.90,   1.67,   0.00,
03/13 04Z,  -0.60,   1.94,  99.90,   1.34,   0.00,
03/13 05Z,  -0.60,   1.92,  99.90,   1.32,   0.00,  (min)
03/13 06Z,  -0.70,   2.19,  99.90,   1.49,   0.00,
03/13 07Z,  -0.70,   2.79,  99.90,   2.09,   0.00,
03/13 08Z,  -0.70,   3.56,  99.90,   2.86,   0.00,
03/13 09Z,  -0.70,   4.21,  99.90,   3.51,   0.00,
03/13 10Z,  -0.70,   4.65,  99.90,   3.95,   0.00,
03/13 11Z,  -0.70,   4.90,  99.90,   4.20,   0.00,
03/13 12Z,  -0.70,   4.96,  99.90,   4.26,   0.00,  (max)
03/13 13Z,  -0.70,   4.83,  99.90,   4.13,   0.00,
03/13 14Z,  -0.70,   4.63,  99.90,   3.93,   0.00,
03/13 15Z,  -0.80,   4.48,  99.90,   3.68,   0.00,  (min)
03/13 16Z,  -0.80,   4.50,  99.90,   3.70,   0.00,
03/13 17Z,  -0.80,   4.75,  99.90,   3.95,   0.00,
03/13 18Z,  -0.80,   5.20,  99.90,   4.40,   0.00,
03/13 19Z,  -0.80,   5.87,  99.90,   5.07,   0.00,
03/13 20Z,  -0.80,   6.60,  99.90,   5.80,   0.00,
03/13 21Z,  -0.80,   7.04,  99.90,   6.24,   0.00,
03/13 22Z,  -0.80,   7.04,  99.90,   6.24,   0.00,  (max)
03/13 23Z,  -0.80,   6.67,  99.90,   5.87,   0.00,
03/14 00Z,  -0.80,   6.00,  99.90,   5.20,   0.00,
03/14 01Z,  -0.80,   5.05,  99.90,   4.25,   0.00,
03/14 02Z,  -0.80,   3.94,  99.90,   3.14,   0.00,
03/14 03Z,  -0.90,   2.85,  99.90,   1.95,   0.00,
03/14 04Z,  -0.90,   2.00,  99.90,   1.10,   0.00,
03/14 05Z,  -0.90,   1.48,  99.90,   0.58,   0.00,
03/14 06Z,  -0.90,   1.36,  99.90,   0.46,   0.00,  (min)
03/14 07Z,  -0.90,   1.69,  99.90,   0.79,   0.00,
03/14 08Z,  -0.90,   2.49,  99.90,   1.59,   0.00,
03/14 09Z,  -0.90,   3.55,  99.90,   2.65,   0.00,
03/14 10Z,  -0.90,   4.50,  99.90,   3.60,   0.00,
03/14 11Z,  -0.90,   5.16,  99.90,   4.26,   0.00,
03/14 12Z,  -0.90,   5.48,  99.90,   4.58,   0.00,
03/14 13Z,  -0.80,   5.45,  99.90,   4.65,   0.00,  (max)
03/14 14Z,  -0.80,   5.11,  99.90,   4.31,   0.00,
03/14 15Z,  -0.80,   4.65,  99.90,   3.85,   0.00,
03/14 16Z,  -0.80,   4.24,  99.90,   3.44,   0.00,
03/14 17Z,  -0.80,   4.04,  99.90,   3.24,   0.00,  (min)
03/14 18Z,  -0.80,   4.14,  99.90,   3.34,   0.00,
03/14 19Z,  -0.80,   4.61,  99.90,   3.81,   0.00,
03/14 20Z,  -0.70,   5.48,  99.90,   4.78,   0.00,
03/14 21Z,  -0.70,   6.50,  99.90,   5.80,   0.00,
03/14 22Z,  -0.70,   7.22,  99.90,   6.52,   0.00,
03/14 23Z,  -0.60,   7.40,  99.90,   6.80,   0.00,  (max)
03/15 00Z,  -0.60,   7.07,  99.90,   6.47,   0.00,
03/15 01Z,  -0.60,   6.30,  99.90,   5.70,   0.00,
03/15 02Z,  -0.60,   5.14,  99.90,   4.54,   0.00,
03/15 03Z,  -0.70,   3.77,  99.90,   3.07,   0.00,
03/15 04Z,  -0.70,   2.44,  99.90,   1.74,   0.00,
03/15 05Z,  -0.80,   1.40,  99.90,   0.60,   0.00,
03/15 06Z,  -0.80,   0.82,  99.90,   0.02,   0.00,
03/15 07Z,  -0.90,   0.80,  99.90,  -0.10,   0.00,  (min)
03/15 08Z,  -1.00,   1.42,  99.90,   0.42,   0.00,
03/15 09Z,  -1.00,   2.64,  99.90,   1.64,   0.00,
03/15 10Z,  -1.10,   4.07,  99.90,   2.97,   0.00,
03/15 11Z,  -1.10,   5.25,  99.90,   4.15,   0.00,
03/15 12Z,  -1.20,   5.94,  99.90,   4.74,   0.00,
03/15 13Z,  -1.20,   6.11,  99.90,   4.91,   0.00,  (max)
03/15 14Z,  -1.20,   5.78,  99.90,   4.58,   0.00,
03/15 15Z,  -1.30,   5.10,  99.90,   3.80,   0.00,
03/15 16Z,  -1.30,   4.29,  99.90,   2.99,   0.00,
03/15 17Z,  -1.30,   3.61,  99.90,   2.31,   0.00,
03/15 18Z,  -1.40,   3.26,  99.90,   1.86,   0.00,  (min)
03/15 19Z,  -1.40,   3.40,  99.90,   2.00,   0.00,
03/15 20Z,  -1.40,   4.11,  99.90,   2.71,   0.00,
03/15 21Z,  -1.40,   5.35,  99.90,   3.95,   0.00,
03/15 22Z,  -1.40,   6.72,  99.90,   5.32,   0.00,
03/15 23Z,  -1.40,   7.65,  99.90,   6.25,   0.00,
03/16 00Z,  -1.40,   7.88,  99.90,   6.48,   0.00,  (max)
03/16 01Z,  -1.40,   7.44,  99.90,   6.04,   0.00,
03/16 02Z,  -1.40,   6.43,  99.90,   5.03,   0.00,
03/16 03Z,  -1.40,   4.95,  99.90,   3.55,   0.00,
03/16 04Z,  -1.40,   3.28,  99.90,   1.88,   0.00,
03/16 05Z,  -1.40,   1.74,  99.90,   0.34,   0.00,
03/16 06Z,  -1.40,   0.64,  99.90,  -0.76,   0.00,
03/16 07Z,  -1.40,   0.19,  99.90,  -1.21,   0.00,  (min)
03/16 08Z,  -1.40,   0.51,  99.90,  -0.89,   0.00,
03/16 09Z,  -1.40,   1.63,  99.90,   0.23,   0.00,
03/16 10Z,  -1.40,   3.35,  99.90,   1.95,   0.00,
03/16 11Z,  -1.40,   5.08,  99.90,   3.68,   0.00,
03/16 12Z,  -1.40,   6.29,  99.90,   4.89,   0.00,
03/16 13Z,  -1.40,   6.79,  99.90,   5.39,   0.00,  (max)
03/16 14Z,  -1.40,   6.59,  99.90,   5.19,   0.00,
03/16 15Z,  -1.30,   5.83,  99.90,   4.53,   0.00,
03/16 16Z,  -1.30,   4.71,  99.90,   3.41,   0.00,
03/16 17Z,  -1.30,   3.55,  99.90,   2.25,   0.00,
03/16 18Z,  -1.30,   2.67,  99.90,   1.37,   0.00,
03/16 19Z,  -1.30,   2.33,  99.90,   1.03,   0.00,  (min)
03/16 20Z,  -1.30,   2.71,  99.90,   1.41,   0.00,
03/16 21Z,  -1.30,   3.84,  99.90,   2.54,   0.00,
03/16 22Z,  -1.30,   5.53,  99.90,   4.23,   0.00,
03/16 23Z,  -1.30,   7.20,  99.90,   5.90,   0.00,
03/17 00Z,  -1.30,   8.19,  99.90,   6.89,   0.00,