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 : 10/16/2026 14:24:09 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 18Z,   0.50, -11.56,  99.90, -11.06,   0.00,
10/14 19Z,   0.40, -13.67,  99.90, -13.27,   0.00,
10/14 20Z,   0.30, -14.29,  99.90, -13.99,   0.00,  (min)
10/14 21Z,   0.20, -12.71,  99.90, -12.51,   0.00,
10/14 22Z,   0.10,  -9.70,  99.90,  -9.60,   0.00,
10/14 23Z,   0.00,  -6.61,  99.90,  -6.61,   0.00,
10/15 00Z,   0.10,  -4.34,  99.90,  -4.24,   0.00,
10/15 01Z,   0.00,  -3.08,  99.90,  -3.08,   0.00,
10/15 02Z,   0.10,  -2.60,  99.90,  -2.50,   0.00,  (max)
10/15 03Z,   0.00,  -2.55,  99.90,  -2.55,   0.00,
10/15 04Z,   0.00,  -2.64,  99.90,  -2.64,   0.00,
10/15 05Z,   0.00,  -3.12,  99.90,  -3.12,   0.00,
10/15 06Z,   0.10,  -4.30,  99.90,  -4.20,   0.00,
10/15 07Z,   0.10,  -6.14,  99.90,  -6.04,   0.00,
10/15 08Z,   0.10,  -7.93,  99.90,  -7.83,   0.00,
10/15 09Z,   0.10,  -8.61,  99.90,  -8.51,   0.00,  (min)
10/15 10Z,   0.00,  -8.05,  99.90,  -8.05,   0.00,
10/15 11Z,   0.00,  -7.09,  99.90,  -7.09,   0.00,
10/15 12Z,   0.10,  -6.51,  99.90,  -6.41,   0.00,  (max)
10/15 13Z,   0.00,  -6.43,  99.90,  -6.43,   0.00,  (min)
10/15 14Z,   0.10,  -6.50,  99.90,  -6.40,   0.00,  (max)
10/15 15Z,   0.20,  -6.62,  99.90,  -6.42,   0.00,
10/15 16Z,   0.40,  -7.09,  99.90,  -6.69,   0.00,
10/15 17Z,   0.40,  -8.14,  99.90,  -7.74,   0.00,
10/15 18Z,   0.40,  -9.86,  99.90,  -9.46,   0.00,
10/15 19Z,   0.50, -12.01,  99.90, -11.51,   0.00,
10/15 20Z,   0.60, -13.73,  99.90, -13.13,   0.00,  (min)
10/15 21Z,   0.70, -13.76,  99.90, -13.06,   0.00,
10/15 22Z,   0.70, -11.75,  99.90, -11.05,   0.00,
10/15 23Z,   0.80,  -8.68,  99.90,  -7.88,   0.00,
10/16 00Z,   0.60,  -5.85,  99.90,  -5.25,   0.00,
10/16 01Z,   0.70,  -3.93,  99.90,  -3.23,   0.00,
10/16 02Z,   0.70,  -2.96,  99.90,  -2.26,   0.00,
10/16 03Z,   0.80,  -2.65,  99.90,  -1.85,   0.00,
10/16 04Z,   0.80,  -2.64,  99.90,  -1.84,   0.00,  (max)
10/16 05Z,   0.90,  -2.77,  99.90,  -1.87,   0.00,
10/16 06Z,   1.00,  -3.35,  99.90,  -2.35,   0.00,
10/16 07Z,   1.10,  -4.62,  99.90,  -3.52,   0.00,
10/16 08Z,   1.20,  -6.44,  99.90,  -5.24,   0.00,
10/16 09Z,   1.30,  -8.00,  99.90,  -6.70,   0.00,
10/16 10Z,   1.30,  -8.37,  99.90,  -7.07,   0.00,  (min)
10/16 11Z,   1.30,  -7.71,  99.90,  -6.41,   0.00,
10/16 12Z,   1.40,  -6.92,  99.90,  -5.52,   0.00,
10/16 13Z,   1.50,  -6.58,  99.90,  -5.08,   0.00,  (max)
10/16 14Z,   1.50,  -6.64,  99.90,  -5.14,   0.00,  (min)
10/16 15Z,   1.60,  -6.71,  99.90,  -5.11,   0.00,  (max)
10/16 16Z,   1.70,  -6.88,  99.90,  -5.18,   0.00,
10/16 17Z,   1.70,  -7.45,  99.90,  -5.75,   0.00,
10/16 18Z,   1.70,  -8.59,  99.90,  -6.89,   0.00,
10/16 19Z,   1.70, -10.34,  99.90,  -8.64,   0.00,
10/16 20Z,   1.60, -12.33,  99.90, -10.73,   0.00,
10/16 21Z,   1.60, -13.62,  99.90, -12.02,   0.00,  (min)
10/16 22Z,   1.60, -13.10,  99.90, -11.50,   0.00,
10/16 23Z,   1.60, -10.75,  99.90,  -9.15,   0.00,
10/17 00Z,   1.40,  -7.73,  99.90,  -6.33,   0.00,
10/17 01Z,   1.30,  -5.22,  99.90,  -3.92,   0.00,
10/17 02Z,   1.20,  -3.66,  99.90,  -2.46,   0.00,
10/17 03Z,   1.10,  -2.96,  99.90,  -1.86,   0.00,
10/17 04Z,   1.10,  -2.78,  99.90,  -1.68,   0.00,  (max)
10/17 05Z,   1.00,  -2.79,  99.90,  -1.79,   0.00,
10/17 06Z,   1.00,  -2.99,  99.90,  -1.99,   0.00,
10/17 07Z,   1.00,  -3.69,  99.90,  -2.69,   0.00,
10/17 08Z,   1.00,  -5.06,  99.90,  -4.06,   0.00,
10/17 09Z,   0.90,  -6.83,  99.90,  -5.93,   0.00,
10/17 10Z,   0.80,  -8.11,  99.90,  -7.31,   0.00,
10/17 11Z,   0.70,  -8.16,  99.90,  -7.46,   0.00,  (min)
10/17 12Z,   0.70,  -7.43,  99.90,  -6.73,   0.00,
10/17 13Z,   0.60,  -6.79,  99.90,  -6.19,   0.00,
10/17 14Z,   0.70,  -6.63,  99.90,  -5.93,   0.00,  (max)
10/17 15Z,   0.70,  -6.76,  99.90,  -6.06,   0.00,
10/17 16Z,   0.70,  -6.81,  99.90,  -6.11,   0.00,
10/17 17Z,   0.70,  -7.05,  99.90,  -6.35,   0.00,
10/17 18Z,   0.70,  -7.72,  99.90,  -7.02,   0.00,
10/17 19Z,   0.70,  -8.96,  99.90,  -8.26,   0.00,
10/17 20Z,   0.70, -10.70,  99.90, -10.00,   0.00,
10/17 21Z,   0.70, -12.51,  99.90, -11.81,   0.00,
10/17 22Z,   0.60, -13.36,  99.90, -12.76,   0.00,  (min)
10/17 23Z,   0.50, -12.34,  99.90, -11.84,   0.00,
10/18 00Z,   0.50,  -9.75,  99.90,  -9.25,   0.00,
10/18 01Z,   0.40,  -6.89,  99.90,  -6.49,   0.00,
10/18 02Z,   0.30,  -4.73,  99.90,  -4.43,   0.00,
10/18 03Z,   0.30,  -3.52,  99.90,  -3.22,   0.00,
10/18 04Z,   0.30,  -3.03,  99.90,  -2.73,   0.00,
10/18 05Z,   0.40,  -2.95,  99.90,  -2.55,   0.00,
10/18 06Z,   0.50,  -2.99,  99.90,  -2.49,   0.00,  (max)
10/18 07Z,   0.50,  -3.29,  99.90,  -2.79,   0.00,
10/18 08Z,   0.60,  -4.14,  99.90,  -3.54,   0.00,
10/18 09Z,   0.60,  -5.62,  99.90,  -5.02,   0.00,
10/18 10Z,   0.60,  -7.30,  99.90,  -6.70,   0.00,
10/18 11Z,   0.60,  -8.27,  99.90,  -7.67,   0.00,  (min)
10/18 12Z,   0.50,  -8.02,  99.90,  -7.52,   0.00,
10/18 13Z,   0.50,  -7.21,  99.90,  -6.71,   0.00,
10/18 14Z,   0.50,  -6.69,  99.90,  -6.19,   0.00,
10/18 15Z,   0.50,  -6.65,  99.90,  -6.15,   0.00,  (max)
10/18 16Z,   0.50,  -6.77,  99.90,  -6.27,   0.00,
10/18 17Z,   0.50,  -6.82,  99.90,  -6.32,   0.00,
10/18 18Z,   0.50,  -7.13,  99.90,  -6.63,   0.00,
10/18 19Z,   0.60,  -7.90,  99.90,  -7.30,   0.00,
10/18 20Z,   0.70,  -9.21,  99.90,  -8.51,   0.00,
10/18 21Z,   0.70, -10.93,  99.90, -10.23,   0.00,
10/18 22Z,   0.70, -12.51,  99.90, -11.81,   0.00,
10/18 23Z,   0.60, -12.93,  99.90, -12.33,   0.00,  (min)
10/19 00Z,   0.60, -11.48,  99.90, -10.88,   0.00,
10/19 01Z,   0.60,  -8.79,  99.90,  -8.19,   0.00,
10/19 02Z,   0.60,  -6.16,  99.90,  -5.56,   0.00,
10/19 03Z,   0.70,  -4.36,  99.90,  -3.66,   0.00,
10/19 04Z,   0.80,  -3.46,  99.90,  -2.66,   0.00,
10/19 05Z,   0.90,  -3.16,  99.90,  -2.26,   0.00,
10/19 06Z,   1.10,  -3.14,  99.90,  -2.04,   0.00,  (max)
10/19 07Z,   1.10,  -3.24,  99.90,  -2.14,   0.00,
10/19 08Z,   1.10,  -3.69,  99.90,  -2.59,   0.00,
10/19 09Z,   1.00,  -4.72,  99.90,  -3.72,   0.00,
10/19 10Z,   0.90,  -6.31,  99.90,  -5.41,   0.00,
10/19 11Z,   0.80,  -7.88,  99.90,  -7.08,   0.00,
10/19 12Z,   0.70,  -8.49,  99.90,  -7.79,   0.00,  (min)
10/19 13Z,   0.60,  -7.95,  99.90,  -7.35,   0.00,
10/19 14Z,   0.50,  -7.07,  99.90,  -6.57,   0.00,
10/19 15Z,   0.50,  -6.61,  99.90,  -6.11,   0.00,
10/19 16Z,   0.60,  -6.60,  99.90,  -6.00,   0.00,  (max)
10/19 17Z,   0.60,  -6.68,  99.90,  -6.08,   0.00,  (min)
10/19 18Z,   0.70,  -6.76,  99.90,  -6.06,   0.00,  (max)
10/19 19Z,   0.80,  -7.12,  99.90,  -6.32,   0.00,
10/19 20Z,   0.80,  -7.96,  99.90,  -7.16,   0.00,
10/19 21Z,   0.90,  -9.32,  99.90,  -8.42,   0.00,
10/19 22Z,   0.90, -10.98,  99.90, -10.08,   0.00,
10/19 23Z,   0.80, -12.31,  99.90, -11.51,   0.00,
10/20 00Z,   0.80, -12.31,  99.90, -11.51,   0.00,  (min)
10/20 01Z,   0.70, -10.54,  99.90,  -9.84,   0.00,
10/20 02Z,   0.70,  -7.86,  99.90,  -7.16,   0.00,
10/20 03Z,   0.60,  -5.54,  99.90,  -4.94,   0.00,
10/20 04Z,   0.70,  -4.12,  99.90,  -3.42,   0.00,
10/20 05Z,   0.70,  -3.50,  99.90,  -2.80,   0.00,
10/20 06Z,   0.80,  -3.34,  99.90,  -2.54,   0.00,