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 : 08/14/2026 21:22:50 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
08/13 06Z,  -0.20, -14.75,  99.90, -14.95,   0.00,  (min)
08/13 07Z,  -0.10, -10.39,  99.90, -10.49,   0.00,
08/13 08Z,   0.00,  -6.28,  99.90,  -6.28,   0.00,
08/13 09Z,   0.00,  -3.47,  99.90,  -3.47,   0.00,
08/13 10Z,   0.00,  -2.03,  99.90,  -2.03,   0.00,
08/13 11Z,   0.10,  -1.56,  99.90,  -1.46,   0.00,
08/13 12Z,   0.20,  -1.61,  99.90,  -1.41,   0.00,  (max)
08/13 13Z,   0.30,  -2.06,  99.90,  -1.76,   0.00,
08/13 14Z,   0.30,  -3.24,  99.90,  -2.94,   0.00,
08/13 15Z,   0.30,  -5.33,  99.90,  -5.03,   0.00,
08/13 16Z,   0.30,  -7.91,  99.90,  -7.61,   0.00,
08/13 17Z,   0.30,  -9.86,  99.90,  -9.56,   0.00,
08/13 18Z,   0.10,  -9.97,  99.90,  -9.87,   0.00,  (min)
08/13 19Z,   0.10,  -8.32,  99.90,  -8.22,   0.00,
08/13 20Z,   0.00,  -6.28,  99.90,  -6.28,   0.00,
08/13 21Z,   0.00,  -4.97,  99.90,  -4.97,   0.00,
08/13 22Z,   0.00,  -4.51,  99.90,  -4.51,   0.00,
08/13 23Z,   0.00,  -4.45,  99.90,  -4.45,   0.00,  (max)
08/14 00Z,   0.00,  -4.76,  99.90,  -4.76,   0.00,
08/14 01Z,   0.00,  -5.75,  99.90,  -5.75,   0.00,
08/14 02Z,   0.00,  -7.69,  99.90,  -7.69,   0.00,
08/14 03Z,   0.00, -10.56,  99.90, -10.56,   0.00,
08/14 04Z,   0.00, -13.82,  99.90, -13.82,   0.00,
08/14 05Z,   0.00, -16.25,  99.90, -16.25,   0.00,
08/14 06Z,   0.00, -16.32,  99.90, -16.32,   0.00,  (min)
08/14 07Z,   0.00, -13.65,  99.90, -13.65,   0.00,
08/14 08Z,   0.00,  -9.55,  99.90,  -9.55,   0.00,
08/14 09Z,   0.00,  -5.80,  99.90,  -5.80,   0.00,
08/14 10Z,   0.00,  -3.32,  99.90,  -3.32,   0.00,
08/14 11Z,   0.00,  -2.11,  99.90,  -2.11,   0.00,
08/14 12Z,   0.10,  -1.76,  99.90,  -1.66,   0.00,  (max)
08/14 13Z,   0.10,  -1.90,  99.90,  -1.80,   0.00,
08/14 14Z,   0.10,  -2.51,  99.90,  -2.41,   0.00,
08/14 15Z,   0.10,  -3.96,  99.90,  -3.86,   0.00,
08/14 16Z,   0.10,  -6.35,  99.90,  -6.25,   0.00,
08/14 17Z,   0.10,  -9.17,  99.90,  -9.07,   0.00,
08/14 18Z,   0.10, -11.15,  99.90, -11.05,   0.00,  (min)
08/14 19Z,   0.10, -11.08,  99.90, -10.98,   0.00,
08/14 20Z,   0.20,  -9.16,  99.90,  -8.96,   0.00,
08/14 21Z,   0.10,  -6.81,  99.90,  -6.71,   0.00,
08/14 22Z,   0.10,  -5.19,  99.90,  -5.09,   0.00,
08/14 23Z,   0.10,  -4.50,  99.90,  -4.40,   0.00,
08/15 00Z,   0.10,  -4.36,  99.90,  -4.26,   0.00,  (max)
08/15 01Z,   0.10,  -4.55,  99.90,  -4.45,   0.00,
08/15 02Z,   0.10,  -5.34,  99.90,  -5.24,   0.00,
08/15 03Z,   0.10,  -7.00,  99.90,  -6.90,   0.00,
08/15 04Z,   0.10,  -9.57,  99.90,  -9.47,   0.00,
08/15 05Z,   0.10, -12.61,  99.90, -12.51,   0.00,
08/15 06Z,   0.10, -14.88,  99.90, -14.78,   0.00,
08/15 07Z,   0.10, -14.89,  99.90, -14.79,   0.00,  (min)
08/15 08Z,   0.20, -12.37,  99.90, -12.17,   0.00,
08/15 09Z,   0.20,  -8.65,  99.90,  -8.45,   0.00,
08/15 10Z,   0.20,  -5.35,  99.90,  -5.15,   0.00,
08/15 11Z,   0.20,  -3.27,  99.90,  -3.07,   0.00,
08/15 12Z,   0.10,  -2.34,  99.90,  -2.24,   0.00,
08/15 13Z,   0.10,  -2.13,  99.90,  -2.03,   0.00,  (max)
08/15 14Z,   0.10,  -2.36,  99.90,  -2.26,   0.00,
08/15 15Z,   0.10,  -3.17,  99.90,  -3.07,   0.00,
08/15 16Z,   0.00,  -4.88,  99.90,  -4.88,   0.00,
08/15 17Z,   0.00,  -7.55,  99.90,  -7.55,   0.00,
08/15 18Z,   0.00, -10.53,  99.90, -10.53,   0.00,
08/15 19Z,   0.00, -12.43,  99.90, -12.43,   0.00,  (min)
08/15 20Z,   0.00, -12.09,  99.90, -12.09,   0.00,
08/15 21Z,   0.00,  -9.87,  99.90,  -9.87,   0.00,
08/15 22Z,   0.00,  -7.22,  99.90,  -7.22,   0.00,
08/15 23Z,  -0.10,  -5.32,  99.90,  -5.42,   0.00,
08/16 00Z,  -0.10,  -4.42,  99.90,  -4.52,   0.00,
08/16 01Z,  -0.20,  -4.18,  99.90,  -4.38,   0.00,  (max)
08/16 02Z,  -0.20,  -4.29,  99.90,  -4.49,   0.00,
08/16 03Z,  -0.20,  -4.89,  99.90,  -5.09,   0.00,
08/16 04Z,  -0.30,  -6.27,  99.90,  -6.57,   0.00,
08/16 05Z,  -0.30,  -8.55,  99.90,  -8.85,   0.00,
08/16 06Z,  -0.40, -11.33,  99.90, -11.73,   0.00,
08/16 07Z,  -0.40, -13.40,  99.90, -13.80,   0.00,  (min)
08/16 08Z,  -0.30, -13.37,  99.90, -13.67,   0.00,
08/16 09Z,  -0.20, -11.05,  99.90, -11.25,   0.00,
08/16 10Z,   0.00,  -7.77,  99.90,  -7.77,   0.00,
08/16 11Z,   0.00,  -5.01,  99.90,  -5.01,   0.00,
08/16 12Z,   0.10,  -3.38,  99.90,  -3.28,   0.00,
08/16 13Z,   0.20,  -2.73,  99.90,  -2.53,   0.00,
08/16 14Z,   0.30,  -2.64,  99.90,  -2.34,   0.00,  (max)
08/16 15Z,   0.40,  -2.98,  99.90,  -2.58,   0.00,
08/16 16Z,   0.60,  -3.99,  99.90,  -3.39,   0.00,
08/16 17Z,   0.70,  -5.96,  99.90,  -5.26,   0.00,
08/16 18Z,   0.80,  -8.84,  99.90,  -8.04,   0.00,
08/16 19Z,   0.90, -11.86,  99.90, -10.96,   0.00,
08/16 20Z,   1.00, -13.54,  99.90, -12.54,   0.00,  (min)
08/16 21Z,   1.00, -12.84,  99.90, -11.84,   0.00,
08/16 22Z,   1.00, -10.30,  99.90,  -9.30,   0.00,
08/16 23Z,   1.10,  -7.42,  99.90,  -6.32,   0.00,
08/17 00Z,   1.10,  -5.32,  99.90,  -4.22,   0.00,
08/17 01Z,   1.20,  -4.26,  99.90,  -3.06,   0.00,
08/17 02Z,   1.30,  -3.94,  99.90,  -2.64,   0.00,
08/17 03Z,   1.50,  -4.00,  99.90,  -2.50,   0.00,  (max)
08/17 04Z,   1.70,  -4.45,  99.90,  -2.75,   0.00,
08/17 05Z,   1.90,  -5.58,  99.90,  -3.68,   0.00,
08/17 06Z,   2.00,  -7.59,  99.90,  -5.59,   0.00,
08/17 07Z,   2.00, -10.11,  99.90,  -8.11,   0.00,
08/17 08Z,   2.20, -11.97,  99.90,  -9.77,   0.00,  (min)
08/17 09Z,   2.30, -11.89,  99.90,  -9.59,   0.00,
08/17 10Z,   2.70,  -9.80,  99.90,  -7.10,   0.00,
08/17 11Z,   2.50,  -7.02,  99.90,  -4.52,   0.00,
08/17 12Z,   2.50,  -4.81,  99.90,  -2.31,   0.00,
08/17 13Z,   2.40,  -3.64,  99.90,  -1.24,   0.00,
08/17 14Z,   2.30,  -3.25,  99.90,  -0.95,   0.00,  (max)
08/17 15Z,   2.10,  -3.26,  99.90,  -1.16,   0.00,
08/17 16Z,   1.90,  -3.73,  99.90,  -1.83,   0.00,
08/17 17Z,   1.80,  -4.92,  99.90,  -3.12,   0.00,
08/17 18Z,   1.60,  -7.09,  99.90,  -5.49,   0.00,
08/17 19Z,   1.50, -10.10,  99.90,  -8.60,   0.00,
08/17 20Z,   1.50, -13.02,  99.90, -11.52,   0.00,
08/17 21Z,   1.50, -14.34,  99.90, -12.84,   0.00,  (min)
08/17 22Z,   1.40, -13.21,  99.90, -11.81,   0.00,
08/17 23Z,   1.40, -10.39,  99.90,  -8.99,   0.00,
08/18 00Z,   1.40,  -7.37,  99.90,  -5.97,   0.00,
08/18 01Z,   1.30,  -5.18,  99.90,  -3.88,   0.00,
08/18 02Z,   1.30,  -4.06,  99.90,  -2.76,   0.00,
08/18 03Z,   1.30,  -3.70,  99.90,  -2.40,   0.00,  (max)
08/18 04Z,   1.30,  -3.73,  99.90,  -2.43,   0.00,
08/18 05Z,   1.30,  -4.05,  99.90,  -2.75,   0.00,
08/18 06Z,   1.20,  -5.00,  99.90,  -3.80,   0.00,
08/18 07Z,   1.10,  -6.78,  99.90,  -5.68,   0.00,
08/18 08Z,   1.00,  -9.06,  99.90,  -8.06,   0.00,
08/18 09Z,   0.90, -10.71,  99.90,  -9.81,   0.00,  (min)
08/18 10Z,   0.80, -10.56,  99.90,  -9.76,   0.00,
08/18 11Z,   0.70,  -8.72,  99.90,  -8.02,   0.00,
08/18 12Z,   0.60,  -6.44,  99.90,  -5.84,   0.00,
08/18 13Z,  99.90,  -4.78,  99.90,  99.90,   0.00,
08/18 14Z,  99.90,  -4.02,  99.90,  99.90,   0.00,
08/18 15Z,  99.90,  -3.84,  99.90,  99.90,   0.00,
08/18 16Z,  99.90,  -3.94,  99.90,  99.90,   0.00,
08/18 17Z,  99.90,  -4.54,  99.90,  99.90,   0.00,
08/18 18Z,  99.90,  -5.89,  99.90,  99.90,   0.00,