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 : 08/16/2026 22:23:33 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/15 06Z,   0.30, -12.10,  99.90, -11.80,   0.00,
08/15 07Z,   0.30, -12.11,  99.90, -11.81,   0.00,  (min)
08/15 08Z,   0.20,  -9.59,  99.90,  -9.39,   0.00,
08/15 09Z,   0.30,  -5.87,  99.90,  -5.57,   0.00,
08/15 10Z,   0.30,  -2.57,  99.90,  -2.27,   0.00,
08/15 11Z,   0.30,  -0.49,  99.90,  -0.19,   0.00,
08/15 12Z,   0.20,   0.44,  99.90,   0.64,   0.00,
08/15 13Z,   0.10,   0.65,  99.90,   0.75,   0.00,  (max)
08/15 14Z,   0.10,   0.42,  99.90,   0.52,   0.00,
08/15 15Z,   0.10,  -0.39,  99.90,  -0.29,   0.00,
08/15 16Z,   0.10,  -2.10,  99.90,  -2.00,   0.00,
08/15 17Z,   0.10,  -4.77,  99.90,  -4.67,   0.00,
08/15 18Z,   0.00,  -7.75,  99.90,  -7.75,   0.00,
08/15 19Z,   0.00,  -9.65,  99.90,  -9.65,   0.00,  (min)
08/15 20Z,   0.00,  -9.31,  99.90,  -9.31,   0.00,
08/15 21Z,  -0.10,  -7.09,  99.90,  -7.19,   0.00,
08/15 22Z,  -0.10,  -4.44,  99.90,  -4.54,   0.00,
08/15 23Z,  -0.20,  -2.54,  99.90,  -2.74,   0.00,
08/16 00Z,  -0.10,  -1.64,  99.90,  -1.74,   0.00,
08/16 01Z,  -0.10,  -1.40,  99.90,  -1.50,   0.00,  (max)
08/16 02Z,  -0.20,  -1.51,  99.90,  -1.71,   0.00,
08/16 03Z,  -0.30,  -2.11,  99.90,  -2.41,   0.00,
08/16 04Z,  -0.30,  -3.49,  99.90,  -3.79,   0.00,
08/16 05Z,  -0.50,  -5.77,  99.90,  -6.27,   0.00,
08/16 06Z,  -0.10,  -8.55,  99.90,  -8.65,   0.00,
08/16 07Z,  -0.10, -10.62,  99.90, -10.72,   0.00,  (min)
08/16 08Z,  -0.10, -10.59,  99.90, -10.69,   0.00,
08/16 09Z,   0.00,  -8.27,  99.90,  -8.27,   0.00,
08/16 10Z,   0.10,  -4.99,  99.90,  -4.89,   0.00,
08/16 11Z,   0.30,  -2.23,  99.90,  -1.93,   0.00,
08/16 12Z,   0.70,  -0.60,  99.90,   0.10,   0.00,
08/16 13Z,   0.80,   0.05,  99.90,   0.85,   0.00,
08/16 14Z,   0.90,   0.14,  99.90,   1.04,   0.00,  (max)
08/16 15Z,   1.00,  -0.20,  99.90,   0.80,   0.00,
08/16 16Z,   1.00,  -1.21,  99.90,  -0.21,   0.00,
08/16 17Z,   1.10,  -3.18,  99.90,  -2.08,   0.00,
08/16 18Z,   1.10,  -6.06,  99.90,  -4.96,   0.00,
08/16 19Z,   1.20,  -9.08,  99.90,  -7.88,   0.00,
08/16 20Z,   1.20, -10.76,  99.90,  -9.56,   0.00,  (min)
08/16 21Z,   1.20, -10.06,  99.90,  -8.86,   0.00,
08/16 22Z,   1.20,  -7.52,  99.90,  -6.32,   0.00,
08/16 23Z,   1.20,  -4.64,  99.90,  -3.44,   0.00,
08/17 00Z,   1.30,  -2.54,  99.90,  -1.24,   0.00,
08/17 01Z,   1.30,  -1.48,  99.90,  -0.18,   0.00,
08/17 02Z,   1.50,  -1.16,  99.90,   0.34,   0.00,
08/17 03Z,   1.70,  -1.22,  99.90,   0.48,   0.00,  (max)
08/17 04Z,   1.90,  -1.67,  99.90,   0.23,   0.00,
08/17 05Z,   2.10,  -2.80,  99.90,  -0.70,   0.00,
08/17 06Z,   2.40,  -4.81,  99.90,  -2.41,   0.00,
08/17 07Z,   2.70,  -7.33,  99.90,  -4.63,   0.00,
08/17 08Z,   2.90,  -9.19,  99.90,  -6.29,   0.00,
08/17 09Z,   2.80,  -9.11,  99.90,  -6.31,   0.00,  (min)
08/17 10Z,   2.80,  -7.02,  99.90,  -4.22,   0.00,
08/17 11Z,   2.80,  -4.24,  99.90,  -1.44,   0.00,
08/17 12Z,   2.70,  -2.03,  99.90,   0.67,   0.00,
08/17 13Z,   2.60,  -0.86,  99.90,   1.74,   0.00,
08/17 14Z,   2.30,  -0.47,  99.90,   1.83,   0.00,  (max)
08/17 15Z,   2.10,  -0.48,  99.90,   1.62,   0.00,
08/17 16Z,   1.90,  -0.95,  99.90,   0.95,   0.00,
08/17 17Z,   1.70,  -2.14,  99.90,  -0.44,   0.00,
08/17 18Z,   1.60,  -4.31,  99.90,  -2.71,   0.00,
08/17 19Z,   1.60,  -7.32,  99.90,  -5.72,   0.00,
08/17 20Z,   1.50, -10.24,  99.90,  -8.74,   0.00,
08/17 21Z,   1.50, -11.56,  99.90, -10.06,   0.00,  (min)
08/17 22Z,   1.40, -10.43,  99.90,  -9.03,   0.00,
08/17 23Z,   1.40,  -7.61,  99.90,  -6.21,   0.00,
08/18 00Z,   1.30,  -4.59,  99.90,  -3.29,   0.00,
08/18 01Z,   1.30,  -2.40,  99.90,  -1.10,   0.00,
08/18 02Z,   1.20,  -1.28,  99.90,  -0.08,   0.00,
08/18 03Z,   1.20,  -0.92,  99.90,   0.28,   0.00,  (max)
08/18 04Z,   1.10,  -0.95,  99.90,   0.15,   0.00,
08/18 05Z,   1.10,  -1.27,  99.90,  -0.17,   0.00,
08/18 06Z,   0.90,  -2.22,  99.90,  -1.32,   0.00,
08/18 07Z,   0.80,  -4.00,  99.90,  -3.20,   0.00,
08/18 08Z,   0.70,  -6.28,  99.90,  -5.58,   0.00,
08/18 09Z,   0.70,  -7.93,  99.90,  -7.23,   0.00,  (min)
08/18 10Z,   0.60,  -7.78,  99.90,  -7.18,   0.00,
08/18 11Z,   0.60,  -5.94,  99.90,  -5.34,   0.00,
08/18 12Z,   0.50,  -3.66,  99.90,  -3.16,   0.00,
08/18 13Z,   0.40,  -2.00,  99.90,  -1.60,   0.00,
08/18 14Z,   0.30,  -1.24,  99.90,  -0.94,   0.00,
08/18 15Z,   0.30,  -1.06,  99.90,  -0.76,   0.00,  (max)
08/18 16Z,   0.20,  -1.16,  99.90,  -0.96,   0.00,
08/18 17Z,   0.20,  -1.76,  99.90,  -1.56,   0.00,
08/18 18Z,   0.20,  -3.11,  99.90,  -2.91,   0.00,
08/18 19Z,   0.30,  -5.43,  99.90,  -5.13,   0.00,
08/18 20Z,   0.30,  -8.45,  99.90,  -8.15,   0.00,
08/18 21Z,   0.30, -11.13,  99.90, -10.83,   0.00,
08/18 22Z,   0.40, -11.98,  99.90, -11.58,   0.00,  (min)
08/18 23Z,   0.40, -10.40,  99.90, -10.00,   0.00,
08/19 00Z,   0.30,  -7.37,  99.90,  -7.07,   0.00,
08/19 01Z,   0.30,  -4.32,  99.90,  -4.02,   0.00,
08/19 02Z,   0.30,  -2.16,  99.90,  -1.86,   0.00,
08/19 03Z,   0.30,  -1.06,  99.90,  -0.76,   0.00,
08/19 04Z,   0.30,  -0.71,  99.90,  -0.41,   0.00,  (max)
08/19 05Z,   0.30,  -0.72,  99.90,  -0.42,   0.00,
08/19 06Z,   0.30,  -0.97,  99.90,  -0.67,   0.00,
08/19 07Z,   0.30,  -1.78,  99.90,  -1.48,   0.00,
08/19 08Z,   0.30,  -3.39,  99.90,  -3.09,   0.00,
08/19 09Z,   0.30,  -5.45,  99.90,  -5.15,   0.00,
08/19 10Z,   0.30,  -6.87,  99.90,  -6.57,   0.00,  (min)
08/19 11Z,   0.30,  -6.64,  99.90,  -6.34,   0.00,
08/19 12Z,   0.30,  -5.05,  99.90,  -4.75,   0.00,
08/19 13Z,   0.30,  -3.25,  99.90,  -2.95,   0.00,
08/19 14Z,   0.30,  -2.10,  99.90,  -1.80,   0.00,
08/19 15Z,   0.30,  -1.70,  99.90,  -1.40,   0.00,
08/19 16Z,   0.30,  -1.65,  99.90,  -1.35,   0.00,  (max)
08/19 17Z,   0.30,  -1.84,  99.90,  -1.54,   0.00,
08/19 18Z,   0.40,  -2.56,  99.90,  -2.16,   0.00,
08/19 19Z,   0.40,  -4.05,  99.90,  -3.65,   0.00,
08/19 20Z,   0.40,  -6.45,  99.90,  -6.05,   0.00,
08/19 21Z,   0.40,  -9.39,  99.90,  -8.99,   0.00,
08/19 22Z,   0.40, -11.71,  99.90, -11.31,   0.00,
08/19 23Z,   0.40, -12.02,  99.90, -11.62,   0.00,  (min)
08/20 00Z,   0.40, -10.03,  99.90,  -9.63,   0.00,
08/20 01Z,   0.40,  -6.87,  99.90,  -6.47,   0.00,
08/20 02Z,   0.40,  -3.90,  99.90,  -3.50,   0.00,
08/20 03Z,   0.40,  -1.88,  99.90,  -1.48,   0.00,
08/20 04Z,   0.40,  -0.88,  99.90,  -0.48,   0.00,
08/20 05Z,   0.50,  -0.58,  99.90,  -0.08,   0.00,  (max)
08/20 06Z,   0.50,  -0.58,  99.90,  -0.08,   0.00,
08/20 07Z,   0.50,  -0.78,  99.90,  -0.28,   0.00,
08/20 08Z,   0.50,  -1.50,  99.90,  -1.00,   0.00,
08/20 09Z,   0.50,  -2.98,  99.90,  -2.48,   0.00,
08/20 10Z,   0.50,  -4.84,  99.90,  -4.34,   0.00,
08/20 11Z,   0.50,  -6.02,  99.90,  -5.52,   0.00,  (min)
08/20 12Z,   0.50,  -5.71,  99.90,  -5.21,   0.00,
08/20 13Z,  99.90,  -4.34,  99.90,  99.90,   0.00,
08/20 14Z,  99.90,  -3.00,  99.90,  99.90,   0.00,
08/20 15Z,  99.90,  -2.30,  99.90,  99.90,   0.00,
08/20 16Z,  99.90,  -2.16,  99.90,  99.90,   0.00,
08/20 17Z,  99.90,  -2.18,  99.90,  99.90,   0.00,
08/20 18Z,  99.90,  -2.47,  99.90,  99.90,   0.00,