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
#North Spit, CA : 09/15/2026 20:22:49 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/14 00Z,   0.60,   3.80,   4.67,  99.90,   0.27,
09/14 01Z,   0.60,   2.18,   3.14,  99.90,   0.36,
09/14 02Z,   0.60,   0.89,   1.87,  99.90,   0.38,
09/14 03Z,   0.60,   0.29,   1.14,  99.90,   0.25,  (min)
09/14 04Z,   0.60,   0.52,   1.37,  99.90,   0.25,
09/14 05Z,   0.60,   1.44,   2.34,  99.90,   0.30,
09/14 06Z,   0.60,   2.73,   3.62,  99.90,   0.29,
09/14 07Z,   0.60,   4.07,   4.91,  99.90,   0.24,
09/14 08Z,   0.60,   5.19,   6.02,  99.90,   0.23,
09/14 09Z,   0.60,   5.84,   6.70,  99.90,   0.26,
09/14 10Z,   0.60,   5.84,   6.74,  99.90,   0.30,  (max)
09/14 11Z,   0.60,   5.23,   6.14,  99.90,   0.31,
09/14 12Z,   0.60,   4.22,   5.08,  99.90,   0.26,
09/14 13Z,   0.60,   3.10,   4.02,  99.90,   0.32,
09/14 14Z,   0.60,   2.18,   3.10,  99.90,   0.32,
09/14 15Z,   0.60,   1.77,   2.69,  99.90,   0.32,  (min)
09/14 16Z,   0.70,   2.05,   2.97,  99.90,   0.22,
09/14 17Z,   0.60,   2.95,   3.84,  99.90,   0.29,
09/14 18Z,   0.60,   4.18,   4.98,  99.90,   0.20,
09/14 19Z,   0.60,   5.42,   6.24,  99.90,   0.22,
09/14 20Z,   0.70,   6.42,   7.28,  99.90,   0.16,
09/14 21Z,   0.70,   6.96,   7.92,  99.90,   0.26,  (max)
09/14 22Z,   0.70,   6.85,   7.83,  99.90,   0.28,
09/14 23Z,   0.70,   6.06,   6.94,  99.90,   0.18,
09/15 00Z,   0.70,   4.73,   5.65,  99.90,   0.22,
09/15 01Z,   0.70,   3.17,   4.11,  99.90,   0.24,
09/15 02Z,   0.70,   1.70,   2.70,  99.90,   0.30,
09/15 03Z,   0.70,   0.65,   1.62,  99.90,   0.27,
09/15 04Z,   0.70,   0.29,   1.16,  99.90,   0.17,  (min)
09/15 05Z,   0.70,   0.69,   1.59,  99.90,   0.20,
09/15 06Z,   0.70,   1.64,   2.61,  99.90,   0.27,
09/15 07Z,   0.70,   2.84,   3.71,  99.90,   0.17,
09/15 08Z,   0.70,   4.02,   4.90,  99.90,   0.18,
09/15 09Z,   0.80,   4.95,   5.80,  99.90,   0.05,
09/15 10Z,   0.80,   5.42,   6.32,  99.90,   0.10,  (max)
09/15 11Z,   0.80,   5.34,   6.30,  99.90,   0.16,
09/15 12Z,   0.80,   4.78,   5.72,  99.90,   0.14,
09/15 13Z,   0.80,   3.96,   4.82,  99.90,   0.06,
09/15 14Z,   0.80,   3.14,   4.02,  99.90,   0.08,
09/15 15Z,   0.70,   2.57,   3.50,  99.90,   0.23,
09/15 16Z,   0.70,   2.48,   3.39,  99.90,   0.21,  (min)
09/15 17Z,   0.70,   2.95,   3.83,  99.90,   0.18,
09/15 18Z,   0.70,   3.87,   4.74,  99.90,   0.17,
09/15 19Z,   0.70,   4.95,   5.80,  99.90,   0.15,
09/15 20Z,   0.70,   5.92,   6.76,  99.90,   0.14,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
09/15 21Z,   0.80,   6.61,  99.90,   7.55,   0.15,
09/15 22Z,   0.80,   6.82,  99.90,   7.78,   0.16,  (max)
09/15 23Z,   0.70,   6.44,  99.90,   7.31,   0.17,
09/16 00Z,   0.70,   5.48,  99.90,   6.36,   0.19,
09/16 01Z,   0.80,   4.14,  99.90,   5.14,   0.20,
09/16 02Z,   0.80,   2.71,  99.90,   3.72,   0.21,
09/16 03Z,   0.70,   1.45,  99.90,   2.37,   0.22,
09/16 04Z,   0.70,   0.64,  99.90,   1.58,   0.24,
09/16 05Z,   0.70,   0.48,  99.90,   1.43,   0.25,  (min)
09/16 06Z,   0.70,   0.95,  99.90,   1.91,   0.26,
09/16 07Z,   0.70,   1.85,  99.90,   2.82,   0.27,
09/16 08Z,   0.70,   2.90,  99.90,   3.89,   0.29,
09/16 09Z,   0.80,   3.89,  99.90,   4.98,   0.29,
09/16 10Z,   0.70,   4.65,  99.90,   5.63,   0.29,
09/16 11Z,   0.70,   5.01,  99.90,   6.00,   0.29,
09/16 12Z,   0.80,   4.92,  99.90,   6.00,   0.29,  (max)
09/16 13Z,   0.70,   4.47,  99.90,   5.46,   0.29,
09/16 14Z,   0.70,   3.88,  99.90,   4.87,   0.29,
09/16 15Z,   0.70,   3.36,  99.90,   4.34,   0.29,
09/16 16Z,   0.70,   3.07,  99.90,   4.05,   0.29,  (min)
09/16 17Z,   0.70,   3.17,  99.90,   4.16,   0.29,
09/16 18Z,   0.70,   3.71,  99.90,   4.70,   0.29,
09/16 19Z,   0.80,   4.54,  99.90,   5.62,   0.29,
09/16 20Z,   0.70,   5.40,  99.90,   6.39,   0.29,
09/16 21Z,   0.80,   6.10,  99.90,   7.19,   0.29,
09/16 22Z,   0.80,   6.51,  99.90,   7.60,   0.29,  (max)
09/16 23Z,   0.80,   6.49,  99.90,   7.58,   0.29,
09/17 00Z,   0.80,   5.96,  99.90,   7.04,   0.29,
09/17 01Z,   0.80,   4.96,  99.90,   6.05,   0.29,
09/17 02Z,   0.80,   3.71,  99.90,   4.80,   0.29,
09/17 03Z,   0.80,   2.46,  99.90,   3.55,   0.29,
09/17 04Z,   0.80,   1.42,  99.90,   2.50,   0.29,
09/17 05Z,   0.80,   0.80,  99.90,   1.88,   0.29,
09/17 06Z,   0.70,   0.74,  99.90,   1.72,   0.29,  (min)
09/17 07Z,   0.70,   1.20,  99.90,   2.18,   0.29,
09/17 08Z,   0.80,   1.98,  99.90,   3.07,   0.29,
09/17 09Z,   0.80,   2.86,  99.90,   3.95,   0.29,
09/17 10Z,   0.80,   3.69,  99.90,   4.78,   0.29,
09/17 11Z,   0.80,   4.34,  99.90,   5.43,   0.29,
09/17 12Z,   0.80,   4.66,  99.90,   5.75,   0.29,  (max)
09/17 13Z,   0.80,   4.62,  99.90,   5.71,   0.29,
09/17 14Z,   0.80,   4.33,  99.90,   5.42,   0.29,
09/17 15Z,   0.70,   3.97,  99.90,   4.95,   0.29,
09/17 16Z,   0.70,   3.67,  99.90,   4.65,   0.29,
09/17 17Z,   0.70,   3.55,  99.90,   4.54,   0.29,  (min)
09/17 18Z,   0.70,   3.73,  99.90,   4.72,   0.29,
09/17 19Z,   0.70,   4.23,  99.90,   5.21,   0.29,
09/17 20Z,   0.60,   4.89,  99.90,   5.78,   0.29,
09/17 21Z,   0.70,   5.54,  99.90,   6.52,   0.29,
09/17 22Z,   0.70,   6.02,  99.90,   7.01,   0.29,
09/17 23Z,   0.70,   6.26,  99.90,   7.24,   0.29,  (max)
09/18 00Z,   0.70,   6.12,  99.90,   7.11,   0.29,
09/18 01Z,   0.70,   5.55,  99.90,   6.54,   0.29,
09/18 02Z,   0.60,   4.61,  99.90,   5.50,   0.29,
09/18 03Z,   0.70,   3.50,  99.90,   4.49,   0.29,
09/18 04Z,   0.60,   2.42,  99.90,   3.31,   0.29,
09/18 05Z,   0.60,   1.53,  99.90,   2.42,   0.29,
09/18 06Z,   0.50,   1.01,  99.90,   1.79,   0.29,  (min)
09/18 07Z,   0.60,   0.96,  99.90,   1.84,   0.29,
09/18 08Z,   0.60,   1.34,  99.90,   2.23,   0.29,
09/18 09Z,   0.60,   1.99,  99.90,   2.88,   0.29,
09/18 10Z,   0.60,   2.74,  99.90,   3.62,   0.29,
09/18 11Z,   0.60,   3.48,  99.90,   4.36,   0.29,
09/18 12Z,   0.60,   4.09,  99.90,   4.97,   0.29,
09/18 13Z,   0.60,   4.43,  99.90,   5.32,   0.29,
09/18 14Z,   0.60,   4.49,  99.90,   5.38,   0.29,  (max)
09/18 15Z,   0.60,   4.35,  99.90,   5.24,   0.29,
09/18 16Z,   0.60,   4.15,  99.90,   5.04,   0.29,
09/18 17Z,   0.60,   3.97,  99.90,   4.86,   0.29,
09/18 18Z,   0.60,   3.91,  99.90,   4.80,   0.29,  (min)
09/18 19Z,   0.60,   4.06,  99.90,   4.95,   0.29,
09/18 20Z,   0.50,   4.44,  99.90,   5.23,   0.29,
09/18 21Z,   0.60,   4.95,  99.90,   5.84,   0.29,
09/18 22Z,   0.60,   5.43,  99.90,   6.32,   0.29,
09/18 23Z,   0.60,   5.81,  99.90,   6.69,   0.29,
09/19 00Z,   0.60,   5.98,  99.90,   6.87,   0.29,  (max)
09/19 01Z,   0.60,   5.84,  99.90,   6.72,   0.29,
09/19 02Z,   0.70,   5.31,  99.90,   6.29,   0.29,
09/19 03Z,   0.70,   4.46,  99.90,   5.45,   0.29,
09/19 04Z,   0.60,   3.48,  99.90,   4.37,   0.29,
09/19 05Z,   0.60,   2.50,  99.90,   3.39,   0.29,
09/19 06Z,   0.60,   1.67,  99.90,   2.56,   0.29,
09/19 07Z,   0.60,   1.15,  99.90,   2.04,   0.29,  (min)
09/19 08Z,   0.70,   1.05,  99.90,   2.04,   0.29,
09/19 09Z,   0.70,   1.35,  99.90,   2.33,   0.29,
09/19 10Z,   0.70,   1.90,  99.90,   2.88,   0.29,
09/19 11Z,   0.70,   2.58,  99.90,   3.57,   0.29,
09/19 12Z,   0.70,   3.31,  99.90,   4.30,   0.29,