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
#Seldovia, AK : 01/21/2026 00:23:03 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 06Z,  -0.50, -11.18, -12.06,  99.90,  -0.38,  (min)
01/19 07Z,  -0.40,  -9.22, -10.06,  99.90,  -0.44,
01/19 08Z,  -0.40,  -5.57,  -6.47,  99.90,  -0.50,
01/19 09Z,  -0.40,  -1.00,  -1.87,  99.90,  -0.47,
01/19 10Z,  -0.50,   3.49,   2.58,  99.90,  -0.41,
01/19 11Z,  -0.50,   6.84,   5.69,  99.90,  -0.65,
01/19 12Z,  -0.50,   8.32,   7.19,  99.90,  -0.63,  (max)
01/19 13Z,  -0.50,   7.67,   6.65,  99.90,  -0.52,
01/19 14Z,  -0.50,   5.11,   4.05,  99.90,  -0.56,
01/19 15Z,  -0.60,   1.36,   0.39,  99.90,  -0.37,
01/19 16Z,  -0.70,  -2.52,  -3.35,  99.90,  -0.13,
01/19 17Z,  -0.70,  -5.25,  -6.21,  99.90,  -0.26,
01/19 18Z,  -0.50,  -5.79,  -6.80,  99.90,  -0.51,  (min)
01/19 19Z,  -0.50,  -4.06,  -4.80,  99.90,  -0.24,
01/19 20Z,  -0.50,  -0.73,  -1.36,  99.90,  -0.13,
01/19 21Z,  -0.50,   3.27,   2.49,  99.90,  -0.28,
01/19 22Z,  -0.50,   6.98,   6.00,  99.90,  -0.48,
01/19 23Z,  -0.50,   9.37,   8.34,  99.90,  -0.53,
01/20 00Z,  -0.50,   9.74,   8.76,  99.90,  -0.48,  (max)
01/20 01Z,  -0.60,   7.90,   6.72,  99.90,  -0.58,
01/20 02Z,  -0.60,   4.12,   2.83,  99.90,  -0.69,
01/20 03Z,  -0.70,  -0.85,  -1.92,  99.90,  -0.37,
01/20 04Z,  -0.70,  -5.96,  -6.90,  99.90,  -0.24,
01/20 05Z,  -0.70, -10.00, -11.01,  99.90,  -0.31,
01/20 06Z,  -0.70, -11.81, -12.81,  99.90,  -0.30,  (min)
01/20 07Z,  -0.70, -10.93, -11.92,  99.90,  -0.29,
01/20 08Z,  -0.70,  -7.84,  -8.88,  99.90,  -0.34,
01/20 09Z,  -0.60,  -3.40,  -4.51,  99.90,  -0.51,
01/20 10Z,  -0.60,   1.48,   0.32,  99.90,  -0.56,
01/20 11Z,  -0.60,   5.73,   4.43,  99.90,  -0.70,
01/20 12Z,  -0.70,   8.37,   6.94,  99.90,  -0.73,
01/20 13Z,  -0.70,   8.84,   7.46,  99.90,  -0.68,  (max)
01/20 14Z,  -0.70,   7.06,   5.80,  99.90,  -0.56,
01/20 15Z,  -0.80,   3.56,   2.27,  99.90,  -0.49,
01/20 16Z,  -0.80,  -0.69,  -1.84,  99.90,  -0.35,
01/20 17Z,  -0.80,  -4.48,  -5.56,  99.90,  -0.28,
01/20 18Z,  -0.80,  -6.52,  -7.75,  99.90,  -0.43,  (min)
01/20 19Z,  -0.80,  -6.09,  -7.15,  99.90,  -0.26,
01/20 20Z,  -0.70,  -3.43,  -4.30,  99.90,  -0.17,
01/20 21Z,  -0.60,   0.50,  -0.38,  99.90,  -0.28,
01/20 22Z,  -0.60,   4.70,   3.72,  99.90,  -0.38,
01/20 23Z,  -0.50,   8.15,   7.05,  99.90,  -0.60,
01/21 00Z,  -0.50,   9.91,   8.78,  99.90,  -0.63,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 01Z,  -0.70,   9.40,  99.90,   8.10,  -0.60,
01/21 02Z,  -0.70,   6.62,  99.90,   5.34,  -0.57,
01/21 03Z,  -0.80,   2.09,  99.90,   0.75,  -0.55,
01/21 04Z,  -0.70,  -3.19,  99.90,  -4.41,  -0.52,
01/21 05Z,  -0.80,  -8.03,  99.90,  -9.32,  -0.50,
01/21 06Z,  -0.70, -11.20,  99.90, -12.37,  -0.47,
01/21 07Z,  -0.70, -11.75,  99.90, -12.90,  -0.44,  (min)
01/21 08Z,  -0.70,  -9.64,  99.90, -10.75,  -0.42,
01/21 09Z,  -0.60,  -5.64,  99.90,  -6.63,  -0.39,
01/21 10Z,  -0.60,  -0.78,  99.90,  -1.74,  -0.36,
01/21 11Z,  -0.60,   3.99,  99.90,   3.05,  -0.34,
01/21 12Z,  -0.50,   7.61,  99.90,   6.80,  -0.31,
01/21 13Z,  -0.40,   9.25,  99.90,   8.54,  -0.31,  (max)
01/21 14Z,  -0.40,   8.55,  99.90,   7.84,  -0.31,
01/21 15Z,  -0.40,   5.73,  99.90,   5.02,  -0.31,
01/21 16Z,  -0.50,   1.58,  99.90,   0.77,  -0.31,
01/21 17Z,  -0.70,  -2.77,  99.90,  -3.78,  -0.31,
01/21 18Z,  -0.70,  -6.06,  99.90,  -7.07,  -0.31,
01/21 19Z,  -0.70,  -7.20,  99.90,  -8.21,  -0.31,  (min)
01/21 20Z,  -0.70,  -5.79,  99.90,  -6.80,  -0.31,
01/21 21Z,  -0.60,  -2.44,  99.90,  -3.35,  -0.31,
01/21 22Z,  -0.50,   1.77,  99.90,   0.96,  -0.31,
01/21 23Z,  -0.40,   5.82,  99.90,   5.11,  -0.31,
01/22 00Z,  -0.40,   8.73,  99.90,   8.02,  -0.31,
01/22 01Z,  -0.50,   9.68,  99.90,   8.87,  -0.31,  (max)
01/22 02Z,  -0.50,   8.28,  99.90,   7.47,  -0.31,
01/22 03Z,  -0.50,   4.76,  99.90,   3.95,  -0.31,
01/22 04Z,  -0.50,  -0.12,  99.90,  -0.93,  -0.31,
01/22 05Z,  -0.50,  -5.22,  99.90,  -6.03,  -0.31,
01/22 06Z,  -0.50,  -9.32,  99.90, -10.13,  -0.31,
01/22 07Z,  -0.50, -11.31,  99.90, -12.13,  -0.31,  (min)
01/22 08Z,  -0.50, -10.59,  99.90, -11.40,  -0.31,
01/22 09Z,  -0.50,  -7.46,  99.90,  -8.27,  -0.31,
01/22 10Z,  -0.60,  -2.94,  99.90,  -3.85,  -0.31,
01/22 11Z,  -0.60,   1.92,  99.90,   1.01,  -0.31,
01/22 12Z,  -0.70,   6.16,  99.90,   5.15,  -0.31,
01/22 13Z,  -0.70,   8.85,  99.90,   7.84,  -0.31,
01/22 14Z,  -0.70,   9.34,  99.90,   8.33,  -0.31,  (max)
01/22 15Z,  -0.70,   7.54,  99.90,   6.53,  -0.31,
01/22 16Z,  -0.60,   3.95,  99.90,   3.03,  -0.31,
01/22 17Z,  -0.60,  -0.47,  99.90,  -1.38,  -0.31,
01/22 18Z,  -0.60,  -4.52,  99.90,  -5.43,  -0.31,
01/22 19Z,  -0.50,  -7.06,  99.90,  -7.87,  -0.31,
01/22 20Z,  -0.50,  -7.27,  99.90,  -8.08,  -0.31,  (min)
01/22 21Z,  -0.50,  -5.10,  99.90,  -5.91,  -0.31,
01/22 22Z,  -0.50,  -1.39,  99.90,  -2.20,  -0.31,
01/22 23Z,  -0.50,   2.74,  99.90,   1.92,  -0.31,
01/23 00Z,  -0.60,   6.34,  99.90,   5.43,  -0.31,
01/23 01Z,  -0.80,   8.55,  99.90,   7.44,  -0.31,
01/23 02Z,  -0.90,   8.69,  99.90,   7.48,  -0.31,  (max)
01/23 03Z,  -0.90,   6.61,  99.90,   5.40,  -0.31,
01/23 04Z,  -0.90,   2.73,  99.90,   1.52,  -0.31,
01/23 05Z,  -0.70,  -2.02,  99.90,  -3.03,  -0.31,
01/23 06Z,  -0.60,  -6.48,  99.90,  -7.39,  -0.31,
01/23 07Z,  -0.50,  -9.53,  99.90, -10.34,  -0.31,
01/23 08Z,  -0.40, -10.31,  99.90, -11.02,  -0.31,  (min)
01/23 09Z,  -0.40,  -8.52,  99.90,  -9.23,  -0.31,
01/23 10Z,  -0.30,  -4.77,  99.90,  -5.38,  -0.31,
01/23 11Z,  -0.40,  -0.17,  99.90,  -0.88,  -0.31,
01/23 12Z,  -0.60,   4.27,  99.90,   3.36,  -0.31,
01/23 13Z,  -0.80,   7.69,  99.90,   6.58,  -0.31,
01/23 14Z,  -0.80,   9.31,  99.90,   8.19,  -0.31,  (max)
01/23 15Z,  -0.80,   8.71,  99.90,   7.60,  -0.31,
01/23 16Z,  -0.80,   6.08,  99.90,   4.97,  -0.31,
01/23 17Z,  -0.80,   2.09,  99.90,   0.98,  -0.31,
01/23 18Z,  -0.80,  -2.20,  99.90,  -3.31,  -0.31,
01/23 19Z,  -0.70,  -5.69,  99.90,  -6.70,  -0.31,
01/23 20Z,  -0.60,  -7.45,  99.90,  -8.36,  -0.31,  (min)
01/23 21Z,  -0.50,  -6.92,  99.90,  -7.73,  -0.31,
01/23 22Z,  -0.40,  -4.33,  99.90,  -5.04,  -0.31,
01/23 23Z,  -0.50,  -0.65,  99.90,  -1.46,  -0.31,
01/24 00Z,  -0.60,   3.11,  99.90,   2.20,  -0.31,
01/24 01Z,  -0.60,   6.12,  99.90,   5.21,  -0.31,
01/24 02Z,  -0.70,   7.64,  99.90,   6.63,  -0.31,  (max)
01/24 03Z,  -0.70,   7.18,  99.90,   6.17,  -0.31,
01/24 04Z,  -0.80,   4.78,  99.90,   3.67,  -0.31,
01/24 05Z,  -0.70,   1.01,  99.90,  -0.00,  -0.31,
01/24 06Z,  -0.60,  -3.18,  99.90,  -4.09,  -0.31,
01/24 07Z,  -0.40,  -6.71,  99.90,  -7.42,  -0.31,
01/24 08Z,  -0.40,  -8.67,  99.90,  -9.38,  -0.31,  (min)
01/24 09Z,  -0.40,  -8.44,  99.90,  -9.15,  -0.31,
01/24 10Z,  -0.40,  -5.98,  99.90,  -6.69,  -0.31,
01/24 11Z,  -0.40,  -2.07,  99.90,  -2.78,  -0.31,
01/24 12Z,  -0.50,   2.20,  99.90,   1.39,  -0.31,
01/24 13Z,  -0.60,   5.94,  99.90,   5.03,  -0.31,
01/24 14Z,  -0.80,   8.43,  99.90,   7.32,  -0.31,
01/24 15Z,  -0.90,   9.06,  99.90,   7.85,  -0.31,  (max)
01/24 16Z,  -0.80,   7.65,  99.90,   6.54,  -0.31,
01/24 17Z,  -0.80,   4.56,  99.90,   3.45,  -0.31,
01/24 18Z,  -0.60,   0.57,  99.90,  -0.35,  -0.31,