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 : 01/25/2026 09:23:17 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/23 18Z,  -0.30,  -5.75,  99.90,  -6.05,   0.00,
01/23 19Z,  -0.30,  -7.29,  99.90,  -7.59,   0.00,
01/23 20Z,  -0.30,  -8.45,  99.90,  -8.75,   0.00,  (min)
01/23 21Z,  -0.30,  -8.35,  99.90,  -8.65,   0.00,
01/23 22Z,  -0.20,  -6.58,  99.90,  -6.78,   0.00,
01/23 23Z,  -0.20,  -4.00,  99.90,  -4.20,   0.00,
01/24 00Z,  -0.30,  -1.95,  99.90,  -2.25,   0.00,
01/24 01Z,  -0.30,  -0.90,  99.90,  -1.20,   0.00,
01/24 02Z,  -0.20,  -0.56,  99.90,  -0.76,   0.00,
01/24 03Z,  -0.20,  -0.53,  99.90,  -0.73,   0.00,  (max)
01/24 04Z,  -0.10,  -0.77,  99.90,  -0.87,   0.00,
01/24 05Z,  -0.10,  -1.53,  99.90,  -1.63,   0.00,
01/24 06Z,  -0.10,  -2.99,  99.90,  -3.09,   0.00,
01/24 07Z,  -0.20,  -5.04,  99.90,  -5.24,   0.00,
01/24 08Z,  -0.20,  -7.25,  99.90,  -7.45,   0.00,
01/24 09Z,  -0.30,  -8.75,  99.90,  -9.05,   0.00,  (min)
01/24 10Z,  -0.30,  -8.58,  99.90,  -8.88,   0.00,
01/24 11Z,  -0.40,  -6.82,  99.90,  -7.22,   0.00,
01/24 12Z,  -0.40,  -4.71,  99.90,  -5.11,   0.00,
01/24 13Z,  -0.50,  -3.33,  99.90,  -3.83,   0.00,
01/24 14Z,  -0.60,  -2.76,  99.90,  -3.36,   0.00,
01/24 15Z,  -0.70,  -2.64,  99.90,  -3.34,   0.00,  (max)
01/24 16Z,  -0.70,  -2.67,  99.90,  -3.37,   0.00,
01/24 17Z,  -0.70,  -2.93,  99.90,  -3.63,   0.00,
01/24 18Z,  -0.60,  -3.70,  99.90,  -4.30,   0.00,
01/24 19Z,  -0.60,  -4.99,  99.90,  -5.59,   0.00,
01/24 20Z,  -0.60,  -6.49,  99.90,  -7.09,   0.00,
01/24 21Z,  -0.50,  -7.53,  99.90,  -8.03,   0.00,  (min)
01/24 22Z,  -0.50,  -7.24,  99.90,  -7.74,   0.00,
01/24 23Z,  -0.50,  -5.41,  99.90,  -5.91,   0.00,
01/25 00Z,  -0.50,  -3.10,  99.90,  -3.60,   0.00,
01/25 01Z,  -0.50,  -1.51,  99.90,  -2.01,   0.00,
01/25 02Z,  -0.60,  -0.86,  99.90,  -1.46,   0.00,
01/25 03Z,  -0.70,  -0.72,  99.90,  -1.42,   0.00,  (max)
01/25 04Z,  -0.80,  -0.81,  99.90,  -1.61,   0.00,
01/25 05Z,  -0.70,  -1.34,  99.90,  -2.04,   0.00,
01/25 06Z,  -0.80,  -2.58,  99.90,  -3.38,   0.00,
01/25 07Z,  -0.80,  -4.60,  99.90,  -5.40,   0.00,
01/25 08Z,  -0.70,  -7.10,  99.90,  -7.80,   0.00,
01/25 09Z,  -0.70,  -9.45,  99.90, -10.15,   0.00,
01/25 10Z,  -0.60, -10.60,  99.90, -11.20,   0.00,  (min)
01/25 11Z,  -0.50,  -9.71,  99.90, -10.21,   0.00,
01/25 12Z,  -0.40,  -7.19,  99.90,  -7.59,   0.00,
01/25 13Z,  -0.20,  -4.54,  99.90,  -4.74,   0.00,
01/25 14Z,   0.00,  -2.82,  99.90,  -2.82,   0.00,
01/25 15Z,   0.10,  -2.05,  99.90,  -1.95,   0.00,
01/25 16Z,   0.30,  -1.84,  99.90,  -1.54,   0.00,
01/25 17Z,   0.50,  -1.86,  99.90,  -1.36,   0.00,  (max)
01/25 18Z,   0.60,  -2.09,  99.90,  -1.49,   0.00,
01/25 19Z,   0.70,  -2.84,  99.90,  -2.14,   0.00,
01/25 20Z,   0.70,  -4.13,  99.90,  -3.43,   0.00,
01/25 21Z,   0.70,  -5.62,  99.90,  -4.92,   0.00,
01/25 22Z,   0.70,  -6.61,  99.90,  -5.91,   0.00,  (min)
01/25 23Z,   0.80,  -6.23,  99.90,  -5.43,   0.00,
01/26 00Z,   0.70,  -4.45,  99.90,  -3.75,   0.00,
01/26 01Z,   0.60,  -2.46,  99.90,  -1.86,   0.00,
01/26 02Z,   0.50,  -1.30,  99.90,  -0.80,   0.00,
01/26 03Z,   0.40,  -0.96,  99.90,  -0.56,   0.00,  (max)
01/26 04Z,   0.30,  -0.92,  99.90,  -0.62,   0.00,
01/26 05Z,   0.20,  -1.19,  99.90,  -0.99,   0.00,
01/26 06Z,   0.10,  -2.07,  99.90,  -1.97,   0.00,
01/26 07Z,   0.10,  -3.81,  99.90,  -3.71,   0.00,
01/26 08Z,   0.10,  -6.34,  99.90,  -6.24,   0.00,
01/26 09Z,   0.10,  -9.20,  99.90,  -9.10,   0.00,
01/26 10Z,   0.20, -11.55,  99.90, -11.35,   0.00,
01/26 11Z,   0.20, -12.26,  99.90, -12.06,   0.00,  (min)
01/26 12Z,   0.30, -10.61,  99.90, -10.31,   0.00,
01/26 13Z,   0.40,  -7.38,  99.90,  -6.98,   0.00,
01/26 14Z,   0.40,  -4.25,  99.90,  -3.85,   0.00,
01/26 15Z,   0.40,  -2.23,  99.90,  -1.83,   0.00,
01/26 16Z,   0.40,  -1.28,  99.90,  -0.88,   0.00,
01/26 17Z,   0.30,  -1.01,  99.90,  -0.71,   0.00,  (max)
01/26 18Z,   0.30,  -1.01,  99.90,  -0.71,   0.00,
01/26 19Z,   0.30,  -1.23,  99.90,  -0.93,   0.00,
01/26 20Z,   0.40,  -1.97,  99.90,  -1.57,   0.00,
01/26 21Z,   0.40,  -3.29,  99.90,  -2.89,   0.00,
01/26 22Z,   0.40,  -4.82,  99.90,  -4.42,   0.00,
01/26 23Z,   0.40,  -5.80,  99.90,  -5.40,   0.00,  (min)
01/27 00Z,   0.40,  -5.39,  99.90,  -4.99,   0.00,
01/27 01Z,   0.30,  -3.72,  99.90,  -3.42,   0.00,
01/27 02Z,   0.10,  -2.05,  99.90,  -1.95,   0.00,
01/27 03Z,   0.00,  -1.26,  99.90,  -1.26,   0.00,
01/27 04Z,   0.00,  -1.11,  99.90,  -1.11,   0.00,  (max)
01/27 05Z,   0.00,  -1.15,  99.90,  -1.15,   0.00,
01/27 06Z,  -0.10,  -1.61,  99.90,  -1.71,   0.00,
01/27 07Z,  -0.10,  -2.85,  99.90,  -2.95,   0.00,
01/27 08Z,  -0.20,  -5.05,  99.90,  -5.25,   0.00,
01/27 09Z,  -0.30,  -8.00,  99.90,  -8.30,   0.00,
01/27 10Z,  -0.40, -11.11,  99.90, -11.51,   0.00,
01/27 11Z,  -0.50, -13.39,  99.90, -13.89,   0.00,
01/27 12Z,  -0.50, -13.61,  99.90, -14.11,   0.00,  (min)
01/27 13Z,  -0.40, -11.26,  99.90, -11.66,   0.00,
01/27 14Z,  -0.30,  -7.44,  99.90,  -7.74,   0.00,
01/27 15Z,  -0.20,  -3.92,  99.90,  -4.12,   0.00,
01/27 16Z,   0.00,  -1.65,  99.90,  -1.65,   0.00,
01/27 17Z,   0.00,  -0.55,  99.90,  -0.55,   0.00,
01/27 18Z,   0.10,  -0.23,  99.90,  -0.13,   0.00,
01/27 19Z,   0.20,  -0.23,  99.90,  -0.03,   0.00,  (max)
01/27 20Z,   0.20,  -0.44,  99.90,  -0.24,   0.00,
01/27 21Z,   0.20,  -1.20,  99.90,  -1.00,   0.00,
01/27 22Z,   0.20,  -2.57,  99.90,  -2.37,   0.00,
01/27 23Z,   0.30,  -4.18,  99.90,  -3.88,   0.00,
01/28 00Z,   0.40,  -5.19,  99.90,  -4.79,   0.00,  (min)
01/28 01Z,   0.50,  -4.78,  99.90,  -4.28,   0.00,
01/28 02Z,   0.50,  -3.23,  99.90,  -2.73,   0.00,
01/28 03Z,   0.50,  -1.84,  99.90,  -1.34,   0.00,
01/28 04Z,   0.40,  -1.30,  99.90,  -0.90,   0.00,
01/28 05Z,   0.50,  -1.28,  99.90,  -0.78,   0.00,  (max)
01/28 06Z,   0.50,  -1.38,  99.90,  -0.88,   0.00,
01/28 07Z,   0.60,  -2.03,  99.90,  -1.43,   0.00,
01/28 08Z,   0.70,  -3.56,  99.90,  -2.86,   0.00,
01/28 09Z,   0.70,  -6.12,  99.90,  -5.42,   0.00,
01/28 10Z,   0.70,  -9.39,  99.90,  -8.69,   0.00,
01/28 11Z,   0.60, -12.67,  99.90, -12.07,   0.00,
01/28 12Z,   0.60, -14.83,  99.90, -14.23,   0.00,  (min)
01/28 13Z,   0.70, -14.60,  99.90, -13.90,   0.00,
01/28 14Z,   0.70, -11.67,  99.90, -10.97,   0.00,
01/28 15Z,   0.80,  -7.39,  99.90,  -6.59,   0.00,
01/28 16Z,   0.90,  -3.59,  99.90,  -2.69,   0.00,
01/28 17Z,   0.90,  -1.13,  99.90,  -0.23,   0.00,
01/28 18Z,   1.00,   0.07,  99.90,   1.07,   0.00,
01/28 19Z,   1.00,   0.43,  99.90,   1.43,   0.00,  (max)
01/28 20Z,   0.90,   0.43,  99.90,   1.33,   0.00,
01/28 21Z,   0.80,   0.20,  99.90,   1.00,   0.00,
01/28 22Z,   0.80,  -0.60,  99.90,   0.20,   0.00,
01/28 23Z,   0.70,  -2.05,  99.90,  -1.35,   0.00,
01/29 00Z,   0.70,  -3.76,  99.90,  -3.06,   0.00,
01/29 01Z,  99.90,  -4.82,  99.90,  99.90,   0.00,
01/29 02Z,  99.90,  -4.42,  99.90,  99.90,   0.00,
01/29 03Z,  99.90,  -2.97,  99.90,  99.90,   0.00,
01/29 04Z,  99.90,  -1.77,  99.90,  99.90,   0.00,
01/29 05Z,  99.90,  -1.40,  99.90,  99.90,   0.00,
01/29 06Z,  99.90,  -1.43,  99.90,  99.90,   0.00,