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 : 04/22/2026 10:20:25 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
04/20 18Z,   0.60,   1.15,  99.90,   1.75,   0.00,
04/20 19Z,   0.60,  -0.99,  99.90,  -0.39,   0.00,
04/20 20Z,   0.60,  -1.81,  99.90,  -1.21,   0.00,  (min)
04/20 21Z,   0.70,  -0.88,  99.90,  -0.18,   0.00,
04/20 22Z,   0.80,   0.77,  99.90,   1.57,   0.00,
04/20 23Z,   0.90,   1.85,  99.90,   2.75,   0.00,  (max)
04/21 00Z,   0.60,   2.14,  99.90,   2.74,   0.00,
04/21 01Z,   0.60,   2.14,  99.90,   2.74,   0.00,
04/21 02Z,   0.60,   1.82,  99.90,   2.42,   0.00,
04/21 03Z,   0.60,   0.75,  99.90,   1.35,   0.00,
04/21 04Z,   0.50,  -1.31,  99.90,  -0.81,   0.00,
04/21 05Z,   0.40,  -4.26,  99.90,  -3.86,   0.00,
04/21 06Z,  -0.10,  -7.55,  99.90,  -7.65,   0.00,
04/21 07Z,  -0.20, -10.13,  99.90, -10.33,   0.00,
04/21 08Z,  -0.20, -10.56,  99.90, -10.76,   0.00,  (min)
04/21 09Z,  -0.20,  -8.09,  99.90,  -8.29,   0.00,
04/21 10Z,  -0.20,  -3.64,  99.90,  -3.84,   0.00,
04/21 11Z,  -0.10,   0.87,  99.90,   0.77,   0.00,
04/21 12Z,  -0.40,   4.10,  99.90,   3.70,   0.00,
04/21 13Z,  -0.40,   5.84,  99.90,   5.44,   0.00,
04/21 14Z,  -0.30,   6.50,  99.90,   6.20,   0.00,
04/21 15Z,  -0.20,   6.52,  99.90,   6.32,   0.00,  (max)
04/21 16Z,  -0.20,   6.21,  99.90,   6.01,   0.00,
04/21 17Z,  -0.10,   5.24,  99.90,   5.14,   0.00,
04/21 18Z,  -0.20,   3.41,  99.90,   3.21,   0.00,
04/21 19Z,  -0.20,   0.94,  99.90,   0.74,   0.00,
04/21 20Z,  -0.20,  -1.28,  99.90,  -1.48,   0.00,
04/21 21Z,  -0.20,  -2.03,  99.90,  -2.23,   0.00,  (min)
04/21 22Z,  -0.10,  -0.98,  99.90,  -1.08,   0.00,
04/21 23Z,   0.00,   0.75,  99.90,   0.75,   0.00,
04/22 00Z,  -0.10,   1.85,  99.90,   1.75,   0.00,
04/22 01Z,   0.00,   2.16,  99.90,   2.16,   0.00,
04/22 02Z,   0.00,   2.16,  99.90,   2.16,   0.00,  (max)
04/22 03Z,   0.00,   1.81,  99.90,   1.81,   0.00,
04/22 04Z,   0.00,   0.68,  99.90,   0.68,   0.00,
04/22 05Z,   0.00,  -1.46,  99.90,  -1.46,   0.00,
04/22 06Z,   0.00,  -4.50,  99.90,  -4.50,   0.00,
04/22 07Z,   0.00,  -7.86,  99.90,  -7.86,   0.00,
04/22 08Z,   0.00, -10.40,  99.90, -10.40,   0.00,
04/22 09Z,   0.00, -10.64,  99.90, -10.64,   0.00,  (min)
04/22 10Z,   0.10,  -7.92,  99.90,  -7.82,   0.00,
04/22 11Z,   0.30,  -3.33,  99.90,  -3.03,   0.00,
04/22 12Z,   0.30,   1.18,  99.90,   1.48,   0.00,
04/22 13Z,   0.40,   4.35,  99.90,   4.75,   0.00,
04/22 14Z,   0.60,   6.03,  99.90,   6.63,   0.00,
04/22 15Z,   0.70,   6.64,  99.90,   7.34,   0.00,  (max)
04/22 16Z,   0.70,   6.64,  99.90,   7.34,   0.00,
04/22 17Z,   0.60,   6.25,  99.90,   6.85,   0.00,
04/22 18Z,   0.60,   5.15,  99.90,   5.75,   0.00,
04/22 19Z,   0.70,   3.13,  99.90,   3.83,   0.00,
04/22 20Z,   0.70,   0.50,  99.90,   1.20,   0.00,
04/22 21Z,   0.80,  -1.78,  99.90,  -0.98,   0.00,
04/22 22Z,   0.80,  -2.42,  99.90,  -1.62,   0.00,  (min)
04/22 23Z,   0.80,  -1.21,  99.90,  -0.41,   0.00,
04/23 00Z,   0.80,   0.63,  99.90,   1.43,   0.00,
04/23 01Z,   0.80,   1.83,  99.90,   2.63,   0.00,
04/23 02Z,   0.80,   2.20,  99.90,   3.00,   0.00,
04/23 03Z,   0.80,   2.23,  99.90,   3.03,   0.00,  (max)
04/23 04Z,   0.80,   1.88,  99.90,   2.68,   0.00,
04/23 05Z,   0.80,   0.78,  99.90,   1.58,   0.00,
04/23 06Z,   0.80,  -1.33,  99.90,  -0.53,   0.00,
04/23 07Z,   0.90,  -4.34,  99.90,  -3.44,   0.00,
04/23 08Z,   0.90,  -7.69,  99.90,  -6.79,   0.00,
04/23 09Z,   0.90, -10.18,  99.90,  -9.28,   0.00,
04/23 10Z,   0.90, -10.29,  99.90,  -9.39,   0.00,  (min)
04/23 11Z,   0.90,  -7.46,  99.90,  -6.56,   0.00,
04/23 12Z,   0.90,  -2.90,  99.90,  -2.00,   0.00,
04/23 13Z,   0.70,   1.46,  99.90,   2.16,   0.00,
04/23 14Z,   0.60,   4.47,  99.90,   5.07,   0.00,
04/23 15Z,   0.50,   6.04,  99.90,   6.54,   0.00,
04/23 16Z,   0.40,   6.57,  99.90,   6.97,   0.00,  (max)
04/23 17Z,   0.40,   6.52,  99.90,   6.92,   0.00,
04/23 18Z,   0.30,   6.05,  99.90,   6.35,   0.00,
04/23 19Z,   0.20,   4.81,  99.90,   5.01,   0.00,
04/23 20Z,   0.20,   2.62,  99.90,   2.82,   0.00,
04/23 21Z,   0.10,  -0.16,  99.90,  -0.06,   0.00,
04/23 22Z,   0.10,  -2.46,  99.90,  -2.36,   0.00,
04/23 23Z,   0.10,  -2.97,  99.90,  -2.87,   0.00,  (min)
04/24 00Z,   0.10,  -1.58,  99.90,  -1.48,   0.00,
04/24 01Z,   0.20,   0.42,  99.90,   0.62,   0.00,
04/24 02Z,   0.20,   1.77,  99.90,   1.97,   0.00,
04/24 03Z,   0.20,   2.25,  99.90,   2.45,   0.00,
04/24 04Z,   0.20,   2.31,  99.90,   2.51,   0.00,  (max)
04/24 05Z,   0.20,   2.02,  99.90,   2.22,   0.00,
04/24 06Z,   0.20,   1.02,  99.90,   1.22,   0.00,
04/24 07Z,   0.20,  -0.94,  99.90,  -0.74,   0.00,
04/24 08Z,   0.20,  -3.81,  99.90,  -3.61,   0.00,
04/24 09Z,   0.10,  -7.06,  99.90,  -6.96,   0.00,
04/24 10Z,   0.10,  -9.48,  99.90,  -9.38,   0.00,
04/24 11Z,   0.00,  -9.52,  99.90,  -9.52,   0.00,  (min)
04/24 12Z,   0.00,  -6.72,  99.90,  -6.72,   0.00,
04/24 13Z,  -0.10,  -2.36,  99.90,  -2.46,   0.00,
04/24 14Z,  -0.10,   1.72,  99.90,   1.62,   0.00,
04/24 15Z,   0.00,   4.49,  99.90,   4.49,   0.00,
04/24 16Z,   0.00,   5.88,  99.90,   5.88,   0.00,
04/24 17Z,   0.00,   6.32,  99.90,   6.32,   0.00,  (max)
04/24 18Z,   0.00,   6.22,  99.90,   6.22,   0.00,
04/24 19Z,   0.00,   5.65,  99.90,   5.65,   0.00,
04/24 20Z,   0.00,   4.26,  99.90,   4.26,   0.00,
04/24 21Z,   0.00,   1.90,  99.90,   1.90,   0.00,
04/24 22Z,   0.00,  -1.02,  99.90,  -1.02,   0.00,
04/24 23Z,   0.00,  -3.30,  99.90,  -3.30,   0.00,
04/25 00Z,   0.00,  -3.66,  99.90,  -3.66,   0.00,  (min)
04/25 01Z,   0.00,  -2.07,  99.90,  -2.07,   0.00,
04/25 02Z,  -0.10,   0.12,  99.90,   0.02,   0.00,
04/25 03Z,  -0.10,   1.67,  99.90,   1.57,   0.00,
04/25 04Z,   0.00,   2.30,  99.90,   2.30,   0.00,
04/25 05Z,   0.00,   2.42,  99.90,   2.42,   0.00,  (max)
04/25 06Z,   0.00,   2.21,  99.90,   2.21,   0.00,
04/25 07Z,   0.00,   1.37,  99.90,   1.37,   0.00,
04/25 08Z,   0.10,  -0.35,  99.90,  -0.25,   0.00,
04/25 09Z,   0.10,  -2.99,  99.90,  -2.89,   0.00,
04/25 10Z,   0.10,  -6.06,  99.90,  -5.96,   0.00,
04/25 11Z,   0.10,  -8.37,  99.90,  -8.27,   0.00,
04/25 12Z,   0.00,  -8.40,  99.90,  -8.40,   0.00,  (min)
04/25 13Z,   0.00,  -5.74,  99.90,  -5.74,   0.00,
04/25 14Z,   0.00,  -1.70,  99.90,  -1.70,   0.00,
04/25 15Z,   0.00,   1.98,  99.90,   1.98,   0.00,
04/25 16Z,   0.00,   4.41,  99.90,   4.41,   0.00,
04/25 17Z,   0.00,   5.58,  99.90,   5.58,   0.00,
04/25 18Z,   0.00,   5.90,  99.90,   5.90,   0.00,  (max)
04/25 19Z,   0.00,   5.75,  99.90,   5.75,   0.00,
04/25 20Z,   0.00,   5.07,  99.90,   5.07,   0.00,
04/25 21Z,   0.00,   3.52,  99.90,   3.52,   0.00,
04/25 22Z,  -0.10,   0.99,  99.90,   0.89,   0.00,
04/25 23Z,  -0.10,  -2.04,  99.90,  -2.14,   0.00,
04/26 00Z,  -0.10,  -4.26,  99.90,  -4.36,   0.00,
04/26 01Z,  99.90,  -4.42,  99.90,  99.90,   0.00,
04/26 02Z,  99.90,  -2.62,  99.90,  99.90,   0.00,
04/26 03Z,  99.90,  -0.22,  99.90,  99.90,   0.00,
04/26 04Z,  99.90,   1.55,  99.90,  99.90,   0.00,
04/26 05Z,  99.90,   2.37,  99.90,  99.90,   0.00,
04/26 06Z,  99.90,   2.57,  99.90,  99.90,   0.00,