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
#Popokamute, AK : 07/20/2026 16:23:33 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
07/19 00Z,  -0.60,  -6.14,  99.90,  -6.74,   0.00,
07/19 01Z,  -0.60,  -3.63,  99.90,  -4.23,   0.00,
07/19 02Z,  -0.60,  -1.83,  99.90,  -2.43,   0.00,
07/19 03Z,  -0.70,  -1.61,  99.90,  -2.31,   0.00,  (max)
07/19 04Z,  -0.60,  -2.78,  99.90,  -3.38,   0.00,
07/19 05Z,  -0.60,  -4.63,  99.90,  -5.23,   0.00,
07/19 06Z,  -0.50,  -6.54,  99.90,  -7.04,   0.00,
07/19 07Z,  -0.50,  -8.11,  99.90,  -8.61,   0.00,
07/19 08Z,  -0.50,  -9.11,  99.90,  -9.61,   0.00,
07/19 09Z,  -0.50,  -9.52,  99.90, -10.02,   0.00,  (min)
07/19 10Z,  -0.50,  -9.38,  99.90,  -9.88,   0.00,
07/19 11Z,  -0.50,  -8.44,  99.90,  -8.94,   0.00,
07/19 12Z,  -0.20,  -6.36,  99.90,  -6.56,   0.00,
07/19 13Z,  -0.10,  -3.39,  99.90,  -3.49,   0.00,
07/19 14Z,   0.00,  -0.63,  99.90,  -0.63,   0.00,
07/19 15Z,   0.10,   0.70,  99.90,   0.80,   0.00,  (max)
07/19 16Z,   0.20,   0.19,  99.90,   0.39,   0.00,
07/19 17Z,   0.40,  -1.62,  99.90,  -1.22,   0.00,
07/19 18Z,   0.50,  -3.96,  99.90,  -3.46,   0.00,
07/19 19Z,   0.60,  -6.22,  99.90,  -5.62,   0.00,
07/19 20Z,   0.70,  -7.98,  99.90,  -7.28,   0.00,
07/19 21Z,   0.70,  -9.04,  99.90,  -8.34,   0.00,
07/19 22Z,   0.70,  -9.44,  99.90,  -8.74,   0.00,  (min)
07/19 23Z,   0.70,  -9.25,  99.90,  -8.55,   0.00,
07/20 00Z,   0.60,  -8.27,  99.90,  -7.67,   0.00,
07/20 01Z,   0.60,  -6.27,  99.90,  -5.67,   0.00,
07/20 02Z,   0.50,  -3.72,  99.90,  -3.22,   0.00,
07/20 03Z,   0.50,  -1.78,  99.90,  -1.28,   0.00,
07/20 04Z,   0.40,  -1.36,  99.90,  -0.96,   0.00,  (max)
07/20 05Z,   0.40,  -2.37,  99.90,  -1.97,   0.00,
07/20 06Z,   0.30,  -4.14,  99.90,  -3.84,   0.00,
07/20 07Z,   0.20,  -6.06,  99.90,  -5.86,   0.00,
07/20 08Z,   0.20,  -7.67,  99.90,  -7.47,   0.00,
07/20 09Z,   0.20,  -8.73,  99.90,  -8.53,   0.00,
07/20 10Z,   0.30,  -9.18,  99.90,  -8.88,   0.00,  (min)
07/20 11Z,   0.30,  -9.02,  99.90,  -8.72,   0.00,
07/20 12Z,   0.30,  -8.03,  99.90,  -7.73,   0.00,
07/20 13Z,   0.30,  -5.95,  99.90,  -5.65,   0.00,
07/20 14Z,   0.30,  -3.12,  99.90,  -2.82,   0.00,
07/20 15Z,   0.40,  -0.68,  99.90,  -0.28,   0.00,
07/20 16Z,   0.40,   0.22,  99.90,   0.62,   0.00,  (max)
07/20 17Z,   0.40,  -0.58,  99.90,  -0.18,   0.00,
07/20 18Z,   0.50,  -2.47,  99.90,  -1.97,   0.00,
07/20 19Z,   0.50,  -4.75,  99.90,  -4.25,   0.00,
07/20 20Z,   0.50,  -6.86,  99.90,  -6.36,   0.00,
07/20 21Z,   0.50,  -8.45,  99.90,  -7.95,   0.00,
07/20 22Z,   0.60,  -9.35,  99.90,  -8.75,   0.00,
07/20 23Z,   0.60,  -9.63,  99.90,  -9.03,   0.00,  (min)
07/21 00Z,   0.60,  -9.37,  99.90,  -8.77,   0.00,
07/21 01Z,   0.60,  -8.31,  99.90,  -7.71,   0.00,
07/21 02Z,   0.60,  -6.25,  99.90,  -5.65,   0.00,
07/21 03Z,   0.60,  -3.65,  99.90,  -3.05,   0.00,
07/21 04Z,   0.70,  -1.64,  99.90,  -0.94,   0.00,
07/21 05Z,   0.70,  -1.09,  99.90,  -0.39,   0.00,  (max)
07/21 06Z,   0.80,  -1.97,  99.90,  -1.17,   0.00,
07/21 07Z,   0.90,  -3.69,  99.90,  -2.79,   0.00,
07/21 08Z,   0.90,  -5.61,  99.90,  -4.71,   0.00,
07/21 09Z,   0.90,  -7.28,  99.90,  -6.38,   0.00,
07/21 10Z,   1.00,  -8.39,  99.90,  -7.39,   0.00,
07/21 11Z,   1.10,  -8.86,  99.90,  -7.76,   0.00,  (min)
07/21 12Z,   1.10,  -8.68,  99.90,  -7.58,   0.00,
07/21 13Z,   1.10,  -7.65,  99.90,  -6.55,   0.00,
07/21 14Z,   1.20,  -5.58,  99.90,  -4.38,   0.00,
07/21 15Z,   1.30,  -2.93,  99.90,  -1.63,   0.00,
07/21 16Z,   1.50,  -0.87,  99.90,   0.63,   0.00,
07/21 17Z,   1.60,  -0.41,  99.90,   1.19,   0.00,  (max)
07/21 18Z,   1.80,  -1.45,  99.90,   0.35,   0.00,
07/21 19Z,   2.00,  -3.36,  99.90,  -1.36,   0.00,
07/21 20Z,   2.20,  -5.52,  99.90,  -3.32,   0.00,
07/21 21Z,   2.30,  -7.45,  99.90,  -5.15,   0.00,
07/21 22Z,   2.40,  -8.84,  99.90,  -6.44,   0.00,
07/21 23Z,   2.40,  -9.57,  99.90,  -7.17,   0.00,
07/22 00Z,   2.50,  -9.75,  99.90,  -7.25,   0.00,  (min)
07/22 01Z,   2.40,  -9.38,  99.90,  -6.98,   0.00,
07/22 02Z,   2.40,  -8.21,  99.90,  -5.81,   0.00,
07/22 03Z,   2.40,  -6.06,  99.90,  -3.66,   0.00,
07/22 04Z,   2.40,  -3.43,  99.90,  -1.03,   0.00,
07/22 05Z,   2.40,  -1.43,  99.90,   0.97,   0.00,
07/22 06Z,   2.40,  -0.83,  99.90,   1.57,   0.00,  (max)
07/22 07Z,   2.40,  -1.65,  99.90,   0.75,   0.00,
07/22 08Z,   2.50,  -3.34,  99.90,  -0.84,   0.00,
07/22 09Z,   2.50,  -5.27,  99.90,  -2.77,   0.00,
07/22 10Z,   2.60,  -6.96,  99.90,  -4.36,   0.00,
07/22 11Z,   2.70,  -8.11,  99.90,  -5.41,   0.00,
07/22 12Z,   2.80,  -8.59,  99.90,  -5.79,   0.00,  (min)
07/22 13Z,   2.70,  -8.39,  99.90,  -5.69,   0.00,
07/22 14Z,   2.60,  -7.31,  99.90,  -4.71,   0.00,
07/22 15Z,   2.50,  -5.25,  99.90,  -2.75,   0.00,
07/22 16Z,   2.40,  -2.81,  99.90,  -0.41,   0.00,
07/22 17Z,   2.70,  -1.17,  99.90,   1.53,   0.00,
07/22 18Z,   3.40,  -1.12,  99.90,   2.28,   0.00,  (max)
07/22 19Z,   4.30,  -2.33,  99.90,   1.97,   0.00,
07/22 20Z,   4.80,  -4.22,  99.90,   0.58,   0.00,
07/22 21Z,   5.00,  -6.24,  99.90,  -1.24,   0.00,
07/22 22Z,   4.80,  -7.96,  99.90,  -3.16,   0.00,
07/22 23Z,   4.40,  -9.14,  99.90,  -4.74,   0.00,
07/23 00Z,   4.00,  -9.71,  99.90,  -5.71,   0.00,
07/23 01Z,   3.80,  -9.78,  99.90,  -5.98,   0.00,  (min)
07/23 02Z,   3.60,  -9.30,  99.90,  -5.70,   0.00,
07/23 03Z,   3.60,  -7.98,  99.90,  -4.38,   0.00,
07/23 04Z,   3.60,  -5.73,  99.90,  -2.13,   0.00,
07/23 05Z,   3.70,  -3.11,  99.90,   0.59,   0.00,
07/23 06Z,   3.90,  -1.17,  99.90,   2.73,   0.00,
07/23 07Z,   3.90,  -0.62,  99.90,   3.28,   0.00,  (max)
07/23 08Z,   4.00,  -1.45,  99.90,   2.55,   0.00,
07/23 09Z,   3.80,  -3.12,  99.90,   0.68,   0.00,
07/23 10Z,   3.50,  -5.06,  99.90,  -1.56,   0.00,
07/23 11Z,   3.20,  -6.76,  99.90,  -3.56,   0.00,
07/23 12Z,   2.80,  -7.91,  99.90,  -5.11,   0.00,
07/23 13Z,   2.50,  -8.38,  99.90,  -5.88,   0.00,
07/23 14Z,   2.20,  -8.14,  99.90,  -5.94,   0.00,  (min)
07/23 15Z,   1.90,  -6.99,  99.90,  -5.09,   0.00,
07/23 16Z,   1.60,  -4.96,  99.90,  -3.36,   0.00,
07/23 17Z,   1.40,  -2.76,  99.90,  -1.36,   0.00,
07/23 18Z,   1.10,  -1.55,  99.90,  -0.45,   0.00,  (max)
07/23 19Z,   0.90,  -1.85,  99.90,  -0.95,   0.00,
07/23 20Z,   0.70,  -3.19,  99.90,  -2.49,   0.00,
07/23 21Z,   0.50,  -5.01,  99.90,  -4.51,   0.00,
07/23 22Z,   0.50,  -6.86,  99.90,  -6.36,   0.00,
07/23 23Z,   0.50,  -8.37,  99.90,  -7.87,   0.00,
07/24 00Z,   0.50,  -9.35,  99.90,  -8.85,   0.00,
07/24 01Z,   0.50,  -9.78,  99.90,  -9.28,   0.00,
07/24 02Z,   0.30,  -9.74,  99.90,  -9.44,   0.00,  (min)
07/24 03Z,   0.20,  -9.11,  99.90,  -8.91,   0.00,
07/24 04Z,   0.00,  -7.63,  99.90,  -7.63,   0.00,
07/24 05Z,  -0.10,  -5.28,  99.90,  -5.38,   0.00,
07/24 06Z,  -0.20,  -2.70,  99.90,  -2.90,   0.00,
07/24 07Z,  99.90,  -0.92,  99.90,  99.90,   0.00,
07/24 08Z,  99.90,  -0.49,  99.90,  99.90,   0.00,
07/24 09Z,  99.90,  -1.38,  99.90,  99.90,   0.00,
07/24 10Z,  99.90,  -3.07,  99.90,  99.90,   0.00,
07/24 11Z,  99.90,  -5.00,  99.90,  99.90,   0.00,
07/24 12Z,  99.90,  -6.68,  99.90,  99.90,   0.00,