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 03:24:01 GMT (units in feet MHHW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/19 12Z,  -0.50,  -0.20,  -1.33,  99.90,  -0.63,
01/19 13Z,  -0.50,  -0.85,  -1.87,  99.90,  -0.52,  (max)
01/19 14Z,  -0.50,  -3.41,  -4.47,  99.90,  -0.56,
01/19 15Z,  -0.60,  -7.16,  -8.13,  99.90,  -0.37,
01/19 16Z,  -0.70, -11.04, -11.87,  99.90,  -0.13,
01/19 17Z,  -0.70, -13.77, -14.73,  99.90,  -0.26,
01/19 18Z,  -0.50, -14.31, -15.32,  99.90,  -0.51,  (min)
01/19 19Z,  -0.50, -12.58, -13.32,  99.90,  -0.24,
01/19 20Z,  -0.50,  -9.25,  -9.88,  99.90,  -0.13,
01/19 21Z,  -0.50,  -5.25,  -6.03,  99.90,  -0.28,
01/19 22Z,  -0.50,  -1.54,  -2.52,  99.90,  -0.48,
01/19 23Z,  -0.50,   0.85,  -0.18,  99.90,  -0.53,
01/20 00Z,  -0.50,   1.22,   0.24,  99.90,  -0.48,  (max)
01/20 01Z,  -0.60,  -0.62,  -1.80,  99.90,  -0.58,
01/20 02Z,  -0.60,  -4.40,  -5.69,  99.90,  -0.69,
01/20 03Z,  -0.70,  -9.37, -10.44,  99.90,  -0.37,
01/20 04Z,  -0.70, -14.48, -15.42,  99.90,  -0.24,
01/20 05Z,  -0.70, -18.52, -19.53,  99.90,  -0.31,
01/20 06Z,  -0.70, -20.33, -21.33,  99.90,  -0.30,  (min)
01/20 07Z,  -0.70, -19.45, -20.44,  99.90,  -0.29,
01/20 08Z,  -0.70, -16.36, -17.40,  99.90,  -0.34,
01/20 09Z,  -0.60, -11.92, -13.03,  99.90,  -0.51,
01/20 10Z,  -0.60,  -7.04,  -8.20,  99.90,  -0.56,
01/20 11Z,  -0.60,  -2.79,  -4.09,  99.90,  -0.70,
01/20 12Z,  -0.70,  -0.15,  -1.58,  99.90,  -0.73,
01/20 13Z,  -0.70,   0.32,  -1.06,  99.90,  -0.68,  (max)
01/20 14Z,  -0.70,  -1.46,  -2.72,  99.90,  -0.56,
01/20 15Z,  -0.80,  -4.96,  -6.25,  99.90,  -0.49,
01/20 16Z,  -0.80,  -9.21, -10.36,  99.90,  -0.35,
01/20 17Z,  -0.80, -13.00, -14.08,  99.90,  -0.28,
01/20 18Z,  -0.80, -15.04, -16.27,  99.90,  -0.43,  (min)
01/20 19Z,  -0.80, -14.61, -15.67,  99.90,  -0.26,
01/20 20Z,  -0.70, -11.95, -12.82,  99.90,  -0.17,
01/20 21Z,  -0.60,  -8.02,  -8.90,  99.90,  -0.28,
01/20 22Z,  -0.60,  -3.82,  -4.80,  99.90,  -0.38,
01/20 23Z,  -0.50,  -0.37,  -1.47,  99.90,  -0.60,
01/21 00Z,  -0.50,   1.39,   0.26,  99.90,  -0.63,  (max)
01/21 01Z,  -0.70,   0.88,  -0.37,  99.90,  -0.55,
01/21 02Z,  -0.70,  -1.90,  -3.32,  99.90,  -0.72,
01/21 03Z,  -0.80,  -6.43,  -7.65,  99.90,  -0.42,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 04Z,  -0.70, -11.71,  99.90, -12.83,  -0.42,
01/21 05Z,  -0.80, -16.55,  99.90, -17.76,  -0.41,
01/21 06Z,  -0.70, -19.72,  99.90, -20.82,  -0.40,
01/21 07Z,  -0.70, -20.27,  99.90, -21.37,  -0.40,  (min)
01/21 08Z,  -0.70, -18.16,  99.90, -19.25,  -0.39,
01/21 09Z,  -0.60, -14.16,  99.90, -15.15,  -0.38,
01/21 10Z,  -0.60,  -9.30,  99.90, -10.27,  -0.38,
01/21 11Z,  -0.60,  -4.53,  99.90,  -5.50,  -0.37,
01/21 12Z,  -0.50,  -0.91,  99.90,  -1.77,  -0.36,
01/21 13Z,  -0.40,   0.73,  99.90,  -0.02,  -0.35,  (max)
01/21 14Z,  -0.40,   0.03,  99.90,  -0.71,  -0.35,
01/21 15Z,  -0.40,  -2.79,  99.90,  -3.53,  -0.34,
01/21 16Z,  -0.50,  -6.94,  99.90,  -7.78,  -0.34,
01/21 17Z,  -0.70, -11.29,  99.90, -12.33,  -0.34,
01/21 18Z,  -0.70, -14.58,  99.90, -15.62,  -0.34,
01/21 19Z,  -0.70, -15.72,  99.90, -16.76,  -0.34,  (min)
01/21 20Z,  -0.70, -14.31,  99.90, -15.35,  -0.34,
01/21 21Z,  -0.60, -10.96,  99.90, -11.90,  -0.34,
01/21 22Z,  -0.50,  -6.75,  99.90,  -7.59,  -0.34,
01/21 23Z,  -0.40,  -2.70,  99.90,  -3.44,  -0.34,
01/22 00Z,  -0.40,   0.21,  99.90,  -0.52,  -0.34,
01/22 01Z,  -0.50,   1.16,  99.90,   0.32,  -0.34,  (max)
01/22 02Z,  -0.50,  -0.24,  99.90,  -1.08,  -0.34,
01/22 03Z,  -0.50,  -3.76,  99.90,  -4.60,  -0.34,
01/22 04Z,  -0.50,  -8.64,  99.90,  -9.48,  -0.34,
01/22 05Z,  -0.50, -13.74,  99.90, -14.58,  -0.34,
01/22 06Z,  -0.50, -17.84,  99.90, -18.67,  -0.34,
01/22 07Z,  -0.50, -19.83,  99.90, -20.67,  -0.34,  (min)
01/22 08Z,  -0.50, -19.11,  99.90, -19.95,  -0.34,
01/22 09Z,  -0.50, -15.98,  99.90, -16.82,  -0.34,
01/22 10Z,  -0.60, -11.46,  99.90, -12.40,  -0.34,
01/22 11Z,  -0.60,  -6.60,  99.90,  -7.54,  -0.34,
01/22 12Z,  -0.70,  -2.36,  99.90,  -3.40,  -0.34,
01/22 13Z,  -0.70,   0.33,  99.90,  -0.71,  -0.34,
01/22 14Z,  -0.70,   0.82,  99.90,  -0.22,  -0.34,  (max)
01/22 15Z,  -0.70,  -0.98,  99.90,  -2.02,  -0.34,
01/22 16Z,  -0.60,  -4.57,  99.90,  -5.51,  -0.34,
01/22 17Z,  -0.60,  -8.99,  99.90,  -9.93,  -0.34,
01/22 18Z,  -0.60, -13.04,  99.90, -13.98,  -0.34,
01/22 19Z,  -0.50, -15.58,  99.90, -16.42,  -0.34,
01/22 20Z,  -0.50, -15.79,  99.90, -16.63,  -0.34,  (min)
01/22 21Z,  -0.50, -13.62,  99.90, -14.46,  -0.34,
01/22 22Z,  -0.50,  -9.91,  99.90, -10.75,  -0.34,
01/22 23Z,  -0.50,  -5.78,  99.90,  -6.62,  -0.34,
01/23 00Z,  -0.60,  -2.18,  99.90,  -3.12,  -0.34,
01/23 01Z,  -0.80,   0.03,  99.90,  -1.11,  -0.34,
01/23 02Z,  -0.90,   0.17,  99.90,  -1.06,  -0.34,  (max)
01/23 03Z,  -0.90,  -1.91,  99.90,  -3.15,  -0.34,
01/23 04Z,  -0.90,  -5.79,  99.90,  -7.03,  -0.34,
01/23 05Z,  -0.70, -10.54,  99.90, -11.58,  -0.34,
01/23 06Z,  -0.60, -15.00,  99.90, -15.94,  -0.34,
01/23 07Z,  -0.50, -18.05,  99.90, -18.89,  -0.34,
01/23 08Z,  -0.40, -18.83,  99.90, -19.57,  -0.34,  (min)
01/23 09Z,  -0.40, -17.04,  99.90, -17.78,  -0.34,
01/23 10Z,  -0.30, -13.29,  99.90, -13.93,  -0.34,
01/23 11Z,  -0.40,  -8.69,  99.90,  -9.43,  -0.34,
01/23 12Z,  -0.60,  -4.25,  99.90,  -5.19,  -0.34,
01/23 13Z,  -0.80,  -0.83,  99.90,  -1.97,  -0.34,
01/23 14Z,  -0.80,   0.79,  99.90,  -0.35,  -0.34,  (max)
01/23 15Z,  -0.80,   0.19,  99.90,  -0.95,  -0.34,
01/23 16Z,  -0.80,  -2.44,  99.90,  -3.58,  -0.34,
01/23 17Z,  -0.80,  -6.43,  99.90,  -7.57,  -0.34,
01/23 18Z,  -0.80, -10.72,  99.90, -11.86,  -0.34,
01/23 19Z,  -0.70, -14.21,  99.90, -15.25,  -0.34,
01/23 20Z,  -0.60, -15.97,  99.90, -16.91,  -0.34,  (min)
01/23 21Z,  -0.50, -15.44,  99.90, -16.28,  -0.34,
01/23 22Z,  -0.40, -12.85,  99.90, -13.59,  -0.34,
01/23 23Z,  -0.50,  -9.17,  99.90, -10.01,  -0.34,
01/24 00Z,  -0.60,  -5.41,  99.90,  -6.35,  -0.34,
01/24 01Z,  -0.60,  -2.40,  99.90,  -3.34,  -0.34,
01/24 02Z,  -0.70,  -0.88,  99.90,  -1.92,  -0.34,  (max)
01/24 03Z,  -0.70,  -1.34,  99.90,  -2.38,  -0.34,
01/24 04Z,  -0.80,  -3.74,  99.90,  -4.88,  -0.34,
01/24 05Z,  -0.70,  -7.51,  99.90,  -8.55,  -0.34,
01/24 06Z,  -0.60, -11.70,  99.90, -12.64,  -0.34,
01/24 07Z,  -0.40, -15.23,  99.90, -15.97,  -0.34,
01/24 08Z,  -0.40, -17.19,  99.90, -17.93,  -0.34,  (min)
01/24 09Z,  -0.40, -16.96,  99.90, -17.70,  -0.34,
01/24 10Z,  -0.40, -14.50,  99.90, -15.24,  -0.34,
01/24 11Z,  -0.40, -10.59,  99.90, -11.33,  -0.34,
01/24 12Z,  -0.50,  -6.32,  99.90,  -7.16,  -0.34,
01/24 13Z,  -0.60,  -2.58,  99.90,  -3.52,  -0.34,
01/24 14Z,  -0.80,  -0.09,  99.90,  -1.23,  -0.34,
01/24 15Z,  -0.90,   0.54,  99.90,  -0.70,  -0.34,  (max)
01/24 16Z,  -0.80,  -0.87,  99.90,  -2.01,  -0.34,
01/24 17Z,  -0.80,  -3.96,  99.90,  -5.10,  -0.34,
01/24 18Z,  -0.60,  -7.95,  99.90,  -8.89,  -0.34,
01/24 19Z,  99.90, -11.85,  99.90,  99.90,  -0.34,
01/24 20Z,  99.90, -14.73,  99.90,  99.90,  -0.34,
01/24 21Z,  99.90, -15.88,  99.90,  99.90,  -0.34,
01/24 22Z,  99.90, -14.96,  99.90,  99.90,  -0.34,
01/24 23Z,  99.90, -12.34,  99.90,  99.90,  -0.34,
01/25 00Z,  99.90,  -8.99,  99.90,  99.90,  -0.34,