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 Heiden, AK : 03/11/2026 04:20:20 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
03/09 12Z,  -0.50,  -1.38,  99.90,  -1.88,   0.00,
03/09 13Z,  -0.50,   1.15,  99.90,   0.65,   0.00,
03/09 14Z,  -0.60,   2.78,  99.90,   2.18,   0.00,
03/09 15Z,  -0.60,   3.54,  99.90,   2.94,   0.00,
03/09 16Z,  -0.60,   3.75,  99.90,   3.15,   0.00,  (max)
03/09 17Z,  -0.60,   3.74,  99.90,   3.14,   0.00,
03/09 18Z,  -0.70,   3.58,  99.90,   2.88,   0.00,
03/09 19Z,  -0.70,   2.93,  99.90,   2.23,   0.00,
03/09 20Z,  -0.70,   1.61,  99.90,   0.91,   0.00,
03/09 21Z,  -0.60,  -0.07,  99.90,  -0.67,   0.00,
03/09 22Z,  -0.60,  -1.19,  99.90,  -1.79,   0.00,  (min)
03/09 23Z,  -0.50,  -0.98,  99.90,  -1.48,   0.00,
03/10 00Z,  -0.40,   0.14,  99.90,  -0.26,   0.00,
03/10 01Z,  -0.30,   1.18,  99.90,   0.88,   0.00,
03/10 02Z,  -0.20,   1.63,  99.90,   1.43,   0.00,
03/10 03Z,  -0.20,   1.65,  99.90,   1.45,   0.00,  (max)
03/10 04Z,  -0.20,   1.61,  99.90,   1.41,   0.00,
03/10 05Z,  -0.20,   1.37,  99.90,   1.17,   0.00,
03/10 06Z,  -0.10,   0.67,  99.90,   0.57,   0.00,
03/10 07Z,  -0.20,  -0.68,  99.90,  -0.88,   0.00,
03/10 08Z,  -0.20,  -2.69,  99.90,  -2.89,   0.00,
03/10 09Z,  -0.40,  -4.93,  99.90,  -5.33,   0.00,
03/10 10Z,  -0.50,  -6.34,  99.90,  -6.84,   0.00,  (min)
03/10 11Z,  -0.70,  -5.84,  99.90,  -6.54,   0.00,
03/10 12Z,  -0.70,  -3.53,  99.90,  -4.23,   0.00,
03/10 13Z,  -0.80,  -0.66,  99.90,  -1.46,   0.00,
03/10 14Z,  -1.00,   1.67,  99.90,   0.67,   0.00,
03/10 15Z,  -1.00,   3.07,  99.90,   2.07,   0.00,
03/10 16Z,  -1.10,   3.67,  99.90,   2.57,   0.00,
03/10 17Z,  -1.10,   3.80,  99.90,   2.70,   0.00,
03/10 18Z,  -1.10,   3.80,  99.90,   2.70,   0.00,  (max)
03/10 19Z,  -1.10,   3.62,  99.90,   2.52,   0.00,
03/10 20Z,  -1.10,   2.93,  99.90,   1.83,   0.00,
03/10 21Z,  -1.20,   1.61,  99.90,   0.41,   0.00,
03/10 22Z,  -1.20,   0.07,  99.90,  -1.13,   0.00,
03/10 23Z,  -1.10,  -0.76,  99.90,  -1.86,   0.00,  (min)
03/11 00Z,  -1.10,  -0.36,  99.90,  -1.46,   0.00,
03/11 01Z,  -1.00,   0.64,  99.90,  -0.36,   0.00,
03/11 02Z,  -0.90,   1.34,  99.90,   0.44,   0.00,
03/11 03Z,  -0.80,   1.49,  99.90,   0.69,   0.00,  (max)
03/11 04Z,  -0.80,   1.40,  99.90,   0.60,   0.00,
03/11 05Z,  -0.90,   1.33,  99.90,   0.43,   0.00,
03/11 06Z,  -0.90,   0.98,  99.90,   0.08,   0.00,
03/11 07Z,  -0.90,   0.11,  99.90,  -0.79,   0.00,
03/11 08Z,  -0.90,  -1.41,  99.90,  -2.31,   0.00,
03/11 09Z,  -0.90,  -3.48,  99.90,  -4.38,   0.00,
03/11 10Z,  -1.00,  -5.54,  99.90,  -6.54,   0.00,
03/11 11Z,  -1.10,  -6.47,  99.90,  -7.57,   0.00,  (min)
03/11 12Z,  -1.10,  -5.41,  99.90,  -6.51,   0.00,
03/11 13Z,  -1.10,  -2.81,  99.90,  -3.91,   0.00,
03/11 14Z,  -1.10,   0.01,  99.90,  -1.09,   0.00,
03/11 15Z,  -1.10,   2.11,  99.90,   1.01,   0.00,
03/11 16Z,  -1.00,   3.28,  99.90,   2.28,   0.00,
03/11 17Z,  -1.00,   3.73,  99.90,   2.73,   0.00,
03/11 18Z,  -0.90,   3.80,  99.90,   2.90,   0.00,
03/11 19Z,  -0.90,   3.81,  99.90,   2.91,   0.00,  (max)
03/11 20Z,  -0.90,   3.59,  99.90,   2.69,   0.00,
03/11 21Z,  -0.90,   2.84,  99.90,   1.94,   0.00,
03/11 22Z,  -0.80,   1.53,  99.90,   0.73,   0.00,
03/11 23Z,  -0.80,   0.15,  99.90,  -0.65,   0.00,
03/12 00Z,  -0.70,  -0.39,  99.90,  -1.09,   0.00,  (min)
03/12 01Z,  -0.70,   0.15,  99.90,  -0.55,   0.00,
03/12 02Z,  -0.60,   1.00,  99.90,   0.40,   0.00,
03/12 03Z,  -0.50,   1.41,  99.90,   0.91,   0.00,  (max)
03/12 04Z,  -0.50,   1.36,  99.90,   0.86,   0.00,  (min)
03/12 05Z,  -0.30,   1.26,  99.90,   0.96,   0.00,  (max)
03/12 06Z,  -0.20,   1.14,  99.90,   0.94,   0.00,
03/12 07Z,  -0.20,   0.65,  99.90,   0.45,   0.00,
03/12 08Z,   0.00,  -0.41,  99.90,  -0.41,   0.00,
03/12 09Z,   0.00,  -2.08,  99.90,  -2.08,   0.00,
03/12 10Z,   0.00,  -4.17,  99.90,  -4.17,   0.00,
03/12 11Z,   0.00,  -5.99,  99.90,  -5.99,   0.00,
03/12 12Z,   0.10,  -6.43,  99.90,  -6.33,   0.00,  (min)
03/12 13Z,   0.10,  -4.87,  99.90,  -4.77,   0.00,
03/12 14Z,   0.10,  -2.08,  99.90,  -1.98,   0.00,
03/12 15Z,   0.00,   0.61,  99.90,   0.61,   0.00,
03/12 16Z,   0.00,   2.47,  99.90,   2.47,   0.00,
03/12 17Z,   0.00,   3.42,  99.90,   3.42,   0.00,
03/12 18Z,   0.00,   3.75,  99.90,   3.75,   0.00,
03/12 19Z,   0.00,   3.79,  99.90,   3.79,   0.00,
03/12 20Z,   0.00,   3.79,  99.90,   3.79,   0.00,  (max)
03/12 21Z,  -0.10,   3.50,  99.90,   3.40,   0.00,
03/12 22Z,  -0.20,   2.67,  99.90,   2.47,   0.00,
03/12 23Z,  -0.20,   1.36,  99.90,   1.16,   0.00,
03/13 00Z,  -0.30,   0.15,  99.90,  -0.15,   0.00,
03/13 01Z,  -0.30,  -0.10,  99.90,  -0.40,   0.00,  (min)
03/13 02Z,  -0.40,   0.54,  99.90,   0.14,   0.00,
03/13 03Z,  -0.40,   1.23,  99.90,   0.83,   0.00,
03/13 04Z,  -0.30,   1.42,  99.90,   1.12,   0.00,  (max)
03/13 05Z,  -0.20,   1.27,  99.90,   1.07,   0.00,  (min)
03/13 06Z,  -0.10,   1.19,  99.90,   1.09,   0.00,  (max)
03/13 07Z,   0.00,   0.99,  99.90,   0.99,   0.00,
03/13 08Z,   0.00,   0.36,  99.90,   0.36,   0.00,
03/13 09Z,   0.00,  -0.87,  99.90,  -0.87,   0.00,
03/13 10Z,   0.00,  -2.66,  99.90,  -2.66,   0.00,
03/13 11Z,   0.00,  -4.72,  99.90,  -4.72,   0.00,
03/13 12Z,   0.00,  -6.27,  99.90,  -6.27,   0.00,
03/13 13Z,  -0.10,  -6.21,  99.90,  -6.31,   0.00,  (min)
03/13 14Z,  -0.10,  -4.25,  99.90,  -4.35,   0.00,
03/13 15Z,  -0.20,  -1.36,  99.90,  -1.56,   0.00,
03/13 16Z,  -0.20,   1.16,  99.90,   0.96,   0.00,
03/13 17Z,  -0.30,   2.76,  99.90,   2.46,   0.00,
03/13 18Z,  -0.30,   3.51,  99.90,   3.21,   0.00,
03/13 19Z,  -0.30,   3.74,  99.90,   3.44,   0.00,  (max)
03/13 20Z,  -0.40,   3.77,  99.90,   3.37,   0.00,
03/13 21Z,  -0.40,   3.73,  99.90,   3.33,   0.00,
03/13 22Z,  -0.40,   3.34,  99.90,   2.94,   0.00,
03/13 23Z,  -0.40,   2.41,  99.90,   2.01,   0.00,
03/14 00Z,  -0.40,   1.09,  99.90,   0.69,   0.00,
03/14 01Z,  -0.40,   0.06,  99.90,  -0.34,   0.00,  (min)
03/14 02Z,  -0.40,   0.07,  99.90,  -0.33,   0.00,
03/14 03Z,  -0.40,   0.79,  99.90,   0.39,   0.00,
03/14 04Z,  -0.40,   1.35,  99.90,   0.95,   0.00,
03/14 05Z,  -0.30,   1.40,  99.90,   1.10,   0.00,  (max)
03/14 06Z,  -0.20,   1.23,  99.90,   1.03,   0.00,
03/14 07Z,  -0.20,   1.16,  99.90,   0.96,   0.00,
03/14 08Z,  -0.20,   0.87,  99.90,   0.67,   0.00,
03/14 09Z,  -0.20,   0.11,  99.90,  -0.09,   0.00,
03/14 10Z,  -0.20,  -1.26,  99.90,  -1.46,   0.00,
03/14 11Z,  -0.30,  -3.12,  99.90,  -3.42,   0.00,
03/14 12Z,  -0.40,  -5.11,  99.90,  -5.51,   0.00,
03/14 13Z,  -0.50,  -6.33,  99.90,  -6.83,   0.00,  (min)
03/14 14Z,  -0.50,  -5.81,  99.90,  -6.31,   0.00,
03/14 15Z,  -0.50,  -3.52,  99.90,  -4.02,   0.00,
03/14 16Z,  -0.50,  -0.64,  99.90,  -1.14,   0.00,
03/14 17Z,  -0.50,   1.65,  99.90,   1.15,   0.00,
03/14 18Z,  -0.50,   3.00,  99.90,   2.50,   0.00,
03/14 19Z,  99.90,   3.57,  99.90,  99.90,   0.00,
03/14 20Z,  99.90,   3.70,  99.90,  99.90,   0.00,
03/14 21Z,  99.90,   3.73,  99.90,  99.90,   0.00,
03/14 22Z,  99.90,   3.62,  99.90,  99.90,   0.00,
03/14 23Z,  99.90,   3.08,  99.90,  99.90,   0.00,
03/15 00Z,  99.90,   2.00,  99.90,  99.90,   0.00,