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
#Charleston, OR : 11/13/2025 12:20:57 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/11 12Z,  -0.20,   5.96,   5.80,  99.90,   0.04,
11/11 13Z,  -0.20,   6.46,   6.34,  99.90,   0.08,  (max)
11/11 14Z,  -0.20,   6.38,   6.32,  99.90,   0.14,
11/11 15Z,  -0.10,   5.84,   5.78,  99.90,   0.04,
11/11 16Z,  -0.10,   5.08,   4.99,  99.90,   0.01,
11/11 17Z,  -0.20,   4.35,   4.29,  99.90,   0.14,
11/11 18Z,  -0.10,   3.91,   3.79,  99.90,  -0.02,
11/11 19Z,  -0.10,   3.91,   3.78,  99.90,  -0.03,  (min)
11/11 20Z,  -0.10,   4.37,   4.19,  99.90,  -0.08,
11/11 21Z,   0.00,   5.12,   4.98,  99.90,  -0.14,
11/11 22Z,   0.00,   5.96,   5.83,  99.90,  -0.13,
11/11 23Z,   0.10,   6.68,   6.63,  99.90,  -0.15,
11/12 00Z,   0.00,   7.05,   7.04,  99.90,  -0.01,  (max)
11/12 01Z,   0.10,   6.89,   6.84,  99.90,  -0.15,
11/12 02Z,   0.10,   6.12,   6.07,  99.90,  -0.15,
11/12 03Z,   0.10,   4.85,   4.87,  99.90,  -0.08,
11/12 04Z,   0.10,   3.35,   3.44,  99.90,  -0.01,
11/12 05Z,   0.00,   1.89,   2.17,  99.90,   0.28,
11/12 06Z,   0.10,   0.78,   1.13,  99.90,   0.25,
11/12 07Z,   0.10,   0.24,   0.56,  99.90,   0.22,  (min)
11/12 08Z,   0.10,   0.39,   0.76,  99.90,   0.27,
11/12 09Z,   0.10,   1.16,   1.57,  99.90,   0.31,
11/12 10Z,   0.20,   2.34,   2.80,  99.90,   0.26,
11/12 11Z,   0.20,   3.71,   4.16,  99.90,   0.25,
11/12 12Z,   0.20,   5.03,   5.40,  99.90,   0.17,
11/12 13Z,   0.20,   6.06,   6.40,  99.90,   0.14,
11/12 14Z,   0.30,   6.56,   6.97,  99.90,   0.11,  (max)
11/12 15Z,   0.30,   6.51,   6.87,  99.90,   0.06,
11/12 16Z,   0.20,   5.99,   6.33,  99.90,   0.14,
11/12 17Z,   0.20,   5.20,   5.46,  99.90,   0.06,
11/12 18Z,   0.30,   4.38,   4.77,  99.90,   0.09,
11/12 19Z,   0.30,   3.77,   4.08,  99.90,   0.01,
11/12 20Z,   0.40,   3.57,   3.88,  99.90,  -0.09,  (min)
11/12 21Z,   0.30,   3.82,   4.21,  99.90,   0.09,
11/12 22Z,   0.40,   4.40,   4.77,  99.90,  -0.03,
11/12 23Z,   0.50,   5.16,   5.50,  99.90,  -0.16,
11/13 00Z,   0.50,   5.88,   6.33,  99.90,  -0.05,
11/13 01Z,   0.50,   6.36,   6.87,  99.90,   0.01,  (max)
11/13 02Z,   0.50,   6.37,   6.81,  99.90,  -0.06,
11/13 03Z,   0.50,   5.84,   6.31,  99.90,  -0.03,
11/13 04Z,   0.50,   4.85,   5.33,  99.90,  -0.02,
11/13 05Z,   0.50,   3.59,   4.20,  99.90,   0.11,
11/13 06Z,   0.60,   2.32,   2.95,  99.90,   0.03,
11/13 07Z,   0.60,   1.31,   2.02,  99.90,   0.11,
11/13 08Z,   0.60,   0.79,   1.58,  99.90,   0.19,  (min)
11/13 09Z,   0.60,   0.91,   1.75,  99.90,   0.24,
11/13 10Z,   0.70,   1.60,   2.53,  99.90,   0.23,
11/13 11Z,   0.80,   2.72,   3.65,  99.90,   0.13,
11/13 12Z,   0.80,   4.04,   4.99,  99.90,   0.15,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
11/13 13Z,   0.70,   5.34,  99.90,   6.18,   0.14,
11/13 14Z,   0.80,   6.34,  99.90,   7.28,   0.13,
11/13 15Z,   0.70,   6.82,  99.90,   7.65,   0.13,  (max)
11/13 16Z,   0.80,   6.72,  99.90,   7.64,   0.12,
11/13 17Z,   0.70,   6.12,  99.90,   6.93,   0.12,
11/13 18Z,   0.60,   5.20,  99.90,   5.91,   0.11,
11/13 19Z,   0.60,   4.19,  99.90,   4.90,   0.11,
11/13 20Z,   0.60,   3.39,  99.90,   4.09,   0.10,
11/13 21Z,   0.60,   3.00,  99.90,   3.69,   0.09,  (min)
11/13 22Z,   0.60,   3.11,  99.90,   3.79,   0.09,
11/13 23Z,   0.60,   3.62,  99.90,   4.30,   0.08,
11/14 00Z,   0.60,   4.39,  99.90,   5.06,   0.08,
11/14 01Z,   0.60,   5.21,  99.90,   5.88,   0.08,
11/14 02Z,   0.50,   5.84,  99.90,   6.41,   0.08,
11/14 03Z,   0.50,   6.04,  99.90,   6.62,   0.08,  (max)
11/14 04Z,   0.60,   5.72,  99.90,   6.39,   0.08,
11/14 05Z,   0.40,   4.93,  99.90,   5.41,   0.08,
11/14 06Z,   0.40,   3.84,  99.90,   4.32,   0.08,
11/14 07Z,   0.40,   2.69,  99.90,   3.17,   0.08,
11/14 08Z,   0.40,   1.75,  99.90,   2.22,   0.08,
11/14 09Z,   0.40,   1.27,  99.90,   1.75,   0.08,  (min)
11/14 10Z,   0.50,   1.40,  99.90,   1.98,   0.08,
11/14 11Z,   0.40,   2.11,  99.90,   2.58,   0.08,
11/14 12Z,   0.50,   3.23,  99.90,   3.80,   0.08,
11/14 13Z,   0.50,   4.56,  99.90,   5.14,   0.08,
11/14 14Z,   0.40,   5.84,  99.90,   6.32,   0.08,
11/14 15Z,   0.40,   6.78,  99.90,   7.26,   0.08,
11/14 16Z,   0.50,   7.15,  99.90,   7.73,   0.08,  (max)
11/14 17Z,   0.40,   6.90,  99.90,   7.38,   0.08,
11/14 18Z,   0.30,   6.11,  99.90,   6.49,   0.08,
11/14 19Z,   0.40,   4.97,  99.90,   5.45,   0.08,
11/14 20Z,   0.30,   3.75,  99.90,   4.13,   0.08,
11/14 21Z,   0.30,   2.77,  99.90,   3.15,   0.08,
11/14 22Z,   0.30,   2.28,  99.90,   2.65,   0.08,  (min)
11/14 23Z,   0.30,   2.35,  99.90,   2.72,   0.08,
11/15 00Z,   0.30,   2.91,  99.90,   3.28,   0.08,
11/15 01Z,   0.20,   3.78,  99.90,   4.06,   0.08,
11/15 02Z,   0.20,   4.75,  99.90,   5.03,   0.08,
11/15 03Z,   0.20,   5.54,  99.90,   5.82,   0.08,
11/15 04Z,   0.20,   5.90,  99.90,   6.18,   0.08,  (max)
11/15 05Z,   0.10,   5.72,  99.90,   5.89,   0.08,
11/15 06Z,   0.10,   5.05,  99.90,   5.23,   0.08,
11/15 07Z,   0.10,   4.06,  99.90,   4.23,   0.08,
11/15 08Z,   0.10,   2.97,  99.90,   3.15,   0.08,
11/15 09Z,   0.10,   2.10,  99.90,   2.27,   0.08,
11/15 10Z,   0.20,   1.70,  99.90,   1.98,   0.08,  (min)
11/15 11Z,   0.10,   1.92,  99.90,   2.10,   0.08,
11/15 12Z,   0.20,   2.71,  99.90,   2.98,   0.08,
11/15 13Z,   0.20,   3.89,  99.90,   4.17,   0.08,
11/15 14Z,   0.20,   5.24,  99.90,   5.52,   0.08,
11/15 15Z,   0.20,   6.47,  99.90,   6.75,   0.08,
11/15 16Z,   0.20,   7.27,  99.90,   7.55,   0.08,
11/15 17Z,   0.30,   7.44,  99.90,   7.82,   0.08,  (max)
11/15 18Z,   0.20,   6.93,  99.90,   7.21,   0.08,
11/15 19Z,   0.20,   5.87,  99.90,   6.14,   0.08,
11/15 20Z,   0.40,   4.47,  99.90,   4.95,   0.08,
11/15 21Z,   0.40,   3.06,  99.90,   3.54,   0.08,
11/15 22Z,   0.40,   1.99,  99.90,   2.47,   0.08,
11/15 23Z,   0.50,   1.51,  99.90,   2.08,   0.08,  (min)
11/16 00Z,   0.50,   1.68,  99.90,   2.25,   0.08,
11/16 01Z,   0.50,   2.39,  99.90,   2.97,   0.08,
11/16 02Z,   0.50,   3.44,  99.90,   4.02,   0.08,
11/16 03Z,   0.60,   4.58,  99.90,   5.26,   0.08,
11/16 04Z,   0.50,   5.49,  99.90,   6.07,   0.08,
11/16 05Z,   0.60,   5.93,  99.90,   6.61,   0.08,  (max)
11/16 06Z,   0.50,   5.80,  99.90,   6.37,   0.08,
11/16 07Z,   0.60,   5.16,  99.90,   5.84,   0.08,
11/16 08Z,   0.60,   4.20,  99.90,   4.87,   0.08,
11/16 09Z,   0.50,   3.17,  99.90,   3.75,   0.08,
11/16 10Z,   0.60,   2.39,  99.90,   3.07,   0.08,
11/16 11Z,   0.50,   2.13,  99.90,   2.71,   0.08,  (min)
11/16 12Z,   0.50,   2.51,  99.90,   3.09,   0.08,
11/16 13Z,   0.50,   3.43,  99.90,   4.00,   0.08,
11/16 14Z,   0.50,   4.69,  99.90,   5.26,   0.08,
11/16 15Z,   0.50,   6.02,  99.90,   6.60,   0.08,
11/16 16Z,   0.50,   7.13,  99.90,   7.70,   0.08,
11/16 17Z,   0.40,   7.70,  99.90,   8.17,   0.08,  (max)
11/16 18Z,   0.40,   7.55,  99.90,   8.03,   0.08,
11/16 19Z,   0.40,   6.71,  99.90,   7.19,   0.08,
11/16 20Z,   0.50,   5.34,  99.90,   5.92,   0.08,
11/16 21Z,   0.50,   3.72,  99.90,   4.30,   0.08,
11/16 22Z,   0.60,   2.20,  99.90,   2.88,   0.08,
11/16 23Z,   0.70,   1.16,  99.90,   1.94,   0.08,
11/17 00Z,   0.70,   0.83,  99.90,   1.61,   0.08,