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
#Prudhoe Bay, AK : 10/14/2026 01:22:06 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/12 06Z,   0.60,   0.20,   2.06,  99.90,   1.26,  0.58 ft above HAT
10/12 07Z,   0.60,   0.38,   2.25,  99.90,   1.27,  0.77 ft above HAT
10/12 08Z,   0.60,   0.57,   2.42,  99.90,   1.25,  0.94 ft above HAT
10/12 09Z,   0.50,   0.72,   2.58,  99.90,   1.36,  1.10 ft above HAT
10/12 10Z,   0.40,   0.80,   2.60,  99.90,   1.40,  1.12 ft above HAT  (max)
10/12 11Z,   0.40,   0.79,   2.51,  99.90,   1.32,  1.03 ft above HAT
10/12 12Z,   0.40,   0.70,   2.35,  99.90,   1.25,  0.87 ft above HAT
10/12 13Z,   0.30,   0.55,   2.22,  99.90,   1.37,  0.74 ft above HAT
10/12 14Z,   0.30,   0.38,   2.02,  99.90,   1.34,  0.54 ft above HAT
10/12 15Z,   0.20,   0.23,   1.84,  99.90,   1.41,  0.36 ft above HAT
10/12 16Z,   0.20,   0.14,   1.75,  99.90,   1.41,  0.27 ft above HAT
10/12 17Z,   0.20,   0.11,   1.73,  99.90,   1.42,  0.25 ft above HAT  (min)
10/12 18Z,   0.10,   0.16,   1.78,  99.90,   1.52,  0.30 ft above HAT  (max)
10/12 19Z,   0.00,   0.25,   1.76,  99.90,   1.51,  0.28 ft above HAT  (min)
10/12 20Z,   0.00,   0.36,   1.88,  99.90,   1.52,  0.40 ft above HAT
10/12 21Z,   0.00,   0.45,   1.96,  99.90,   1.51,  0.48 ft above HAT
10/12 22Z,   0.00,   0.50,   1.97,  99.90,   1.47,  0.49 ft above HAT  (max)
10/12 23Z,   0.00,   0.48,   1.87,  99.90,   1.39,  0.39 ft above HAT
10/13 00Z,  -0.20,   0.40,   1.66,  99.90,   1.46,  0.18 ft above HAT
10/13 01Z,  -0.20,   0.27,   1.51,  99.90,   1.44,  0.03 ft above HAT
10/13 02Z,  -0.30,   0.14,   1.38,  99.90,   1.54,
10/13 03Z,  -0.30,   0.04,  99.90,  99.90,  99.90,
10/13 04Z,  -0.30,  -0.00,   1.25,  99.90,   1.55,  (min)
10/13 05Z,  -0.30,   0.03,   1.34,  99.90,   1.61,
10/13 06Z,  -0.20,   0.14,   1.48,  99.90,   1.54,  0.00 ft above HAT
10/13 07Z,  -0.20,   0.31,   1.65,  99.90,   1.54,  0.17 ft above HAT
10/13 08Z,  -0.30,   0.49,   1.83,  99.90,   1.64,  0.35 ft above HAT
10/13 09Z,  -0.30,   0.66,   2.00,  99.90,   1.64,  0.52 ft above HAT
10/13 10Z,  -0.20,   0.77,   2.08,  99.90,   1.51,  0.60 ft above HAT
10/13 11Z,  -0.20,   0.81,   2.12,  99.90,   1.51,  0.64 ft above HAT  (max)
10/13 12Z,  -0.10,   0.76,   2.10,  99.90,   1.44,  0.62 ft above HAT
10/13 13Z,   0.00,   0.65,   2.05,  99.90,   1.40,  0.57 ft above HAT
10/13 14Z,   0.00,   0.50,   1.93,  99.90,   1.43,  0.45 ft above HAT
10/13 15Z,   0.00,   0.36,   1.84,  99.90,   1.48,  0.36 ft above HAT
10/13 16Z,   0.00,   0.25,   1.80,  99.90,   1.55,  0.32 ft above HAT
10/13 17Z,   0.00,   0.19,   1.79,  99.90,   1.60,  0.31 ft above HAT  (min)
10/13 18Z,   0.00,   0.21,   1.84,  99.90,   1.63,  0.36 ft above HAT
10/13 19Z,   0.00,   0.28,   1.94,  99.90,   1.66,  0.46 ft above HAT
10/13 20Z,   0.00,   0.38,   2.07,  99.90,   1.69,  0.59 ft above HAT
10/13 21Z,   0.10,   0.47,   2.15,  99.90,   1.58,  0.67 ft above HAT
10/13 22Z,   0.00,   0.53,   2.15,  99.90,   1.62,  0.67 ft above HAT
10/13 23Z,   0.00,   0.54,   2.16,  99.90,   1.62,  0.68 ft above HAT  (max)
10/14 00Z,   0.00,   0.48,   2.12,  99.90,   1.64,  0.64 ft above HAT
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
10/14 01Z,   0.00,   0.38,  99.90,   1.98,   1.60,  0.50 ft above HAT
10/14 02Z,   0.10,   0.25,  99.90,   1.91,   1.56,  0.43 ft above HAT
10/14 03Z,   0.10,   0.14,  99.90,   1.76,   1.53,  0.28 ft above HAT
10/14 04Z,   0.10,   0.06,  99.90,   1.65,   1.49,  0.17 ft above HAT
10/14 05Z,   0.00,   0.06,  99.90,   1.51,   1.45,  0.03 ft above HAT  (min)
10/14 06Z,   0.00,   0.12,  99.90,   1.54,   1.42,  0.06 ft above HAT
10/14 07Z,   0.00,   0.25,  99.90,   1.63,   1.38,  0.15 ft above HAT
10/14 08Z,   0.00,   0.42,  99.90,   1.76,   1.34,  0.28 ft above HAT
10/14 09Z,  -0.10,   0.59,  99.90,   1.79,   1.31,  0.31 ft above HAT
10/14 10Z,  -0.10,   0.72,  99.90,   1.89,   1.27,  0.41 ft above HAT
10/14 11Z,  -0.10,   0.79,  99.90,   1.92,   1.23,  0.44 ft above HAT  (max)
10/14 12Z,  -0.20,   0.79,  99.90,   1.79,   1.20,  0.31 ft above HAT
10/14 13Z,  -0.20,   0.72,  99.90,   1.72,   1.20,  0.24 ft above HAT
10/14 14Z,  -0.30,   0.61,  99.90,   1.50,   1.20,  0.02 ft above HAT
10/14 15Z,  -0.40,   0.48,  99.90,   1.27,   1.20,
10/14 16Z,  -0.40,   0.36,  99.90,   1.16,   1.20,
10/14 17Z,  -0.50,   0.29,  99.90,   0.99,   1.20,
10/14 18Z,  -0.50,   0.28,  99.90,   0.98,   1.20,  (min)
10/14 19Z,  -0.50,   0.32,  99.90,   1.02,   1.20,  (max)
10/14 20Z,  -0.60,   0.40,  99.90,   1.00,   1.20,
10/14 21Z,  -0.70,   0.49,  99.90,   0.99,   1.20,
10/14 22Z,  -0.80,   0.56,  99.90,   0.96,   1.20,  (min)
10/14 23Z,  -0.80,   0.59,  99.90,   0.98,   1.20,  (max)
10/15 00Z,  -0.90,   0.56,  99.90,   0.85,   1.20,
10/15 01Z,  -0.90,   0.48,  99.90,   0.77,   1.20,
10/15 02Z,  -0.90,   0.37,  99.90,   0.66,   1.20,
10/15 03Z,  -1.00,   0.25,  99.90,   0.45,   1.20,
10/15 04Z,  -1.10,   0.16,  99.90,   0.26,   1.20,
10/15 05Z,  -1.20,   0.12,  99.90,   0.12,   1.20,  (min)
10/15 06Z,  -1.20,   0.14,  99.90,   0.14,   1.20,
10/15 07Z,  -1.20,   0.23,  99.90,   0.23,   1.20,
10/15 08Z,  -1.30,   0.36,  99.90,   0.26,   1.20,
10/15 09Z,  -1.30,   0.51,  99.90,   0.41,   1.20,
10/15 10Z,  -1.30,   0.65,  99.90,   0.55,   1.20,
10/15 11Z,  -1.30,   0.75,  99.90,   0.64,   1.20,
10/15 12Z,  -1.30,   0.78,  99.90,   0.68,   1.20,  (max)
10/15 13Z,  -1.30,   0.76,  99.90,   0.65,   1.20,
10/15 14Z,  -1.30,   0.68,  99.90,   0.58,   1.20,
10/15 15Z,  -1.20,   0.58,  99.90,   0.57,   1.20,
10/15 16Z,  -1.20,   0.47,  99.90,   0.47,   1.20,  (min)
10/15 17Z,  -1.10,   0.40,  99.90,   0.49,   1.20,  (max)
10/15 18Z,  -1.10,   0.37,  99.90,   0.46,   1.20,  (min)
10/15 19Z,  -1.10,   0.38,  99.90,   0.48,   1.20,
10/15 20Z,  -1.10,   0.43,  99.90,   0.53,   1.20,
10/15 21Z,  -1.10,   0.51,  99.90,   0.60,   1.20,
10/15 22Z,  -1.00,   0.57,  99.90,   0.77,   1.20,
10/15 23Z,  -0.90,   0.61,  99.90,   0.91,   1.20,  (max)
10/16 00Z,  -0.90,   0.60,  99.90,   0.90,   1.20,
10/16 01Z,  -0.90,   0.55,  99.90,   0.85,   1.20,  (min)
10/16 02Z,  -0.80,   0.46,  99.90,   0.86,   1.20,  (max)
10/16 03Z,  -0.80,   0.36,  99.90,   0.76,   1.20,  (min)
10/16 04Z,  -0.70,   0.26,  99.90,   0.76,   1.20,  (max)
10/16 05Z,  -0.70,   0.20,  99.90,   0.70,   1.20,
10/16 06Z,  -0.70,   0.19,  99.90,   0.69,   1.20,  (min)
10/16 07Z,  -0.60,   0.24,  99.90,   0.83,   1.20,
10/16 08Z,  -0.60,   0.33,  99.90,   0.92,   1.20,
10/16 09Z,  -0.50,   0.45,  99.90,   1.14,   1.20,
10/16 10Z,  -0.40,   0.57,  99.90,   1.37,   1.20,
10/16 11Z,  -0.40,   0.67,  99.90,   1.47,   1.20,
10/16 12Z,  -0.30,   0.74,  99.90,   1.63,   1.20,  0.15 ft above HAT
10/16 13Z,  -0.30,   0.75,  99.90,   1.64,   1.20,  0.16 ft above HAT
10/16 14Z,  -0.20,   0.71,  99.90,   1.71,   1.20,  0.23 ft above HAT
10/16 15Z,  -0.10,   0.64,  99.90,   1.74,   1.20,  0.26 ft above HAT  (max)
10/16 16Z,  -0.10,   0.56,  99.90,   1.66,   1.20,  0.18 ft above HAT
10/16 17Z,  -0.10,   0.49,  99.90,   1.59,   1.20,  0.11 ft above HAT  (min)
10/16 18Z,   0.00,   0.44,  99.90,   1.64,   1.20,  0.16 ft above HAT  (max)
10/16 19Z,   0.00,   0.44,  99.90,   1.63,   1.20,  0.15 ft above HAT  (min)
10/16 20Z,   0.00,   0.46,  99.90,   1.66,   1.20,  0.18 ft above HAT
10/16 21Z,   0.00,   0.51,  99.90,   1.71,   1.20,  0.23 ft above HAT
10/16 22Z,   0.10,   0.56,  99.90,   1.86,   1.20,  0.38 ft above HAT
10/16 23Z,   0.20,   0.60,  99.90,   2.00,   1.20,  0.52 ft above HAT
10/17 00Z,   0.30,   0.61,  99.90,   2.11,   1.20,  0.63 ft above HAT  (max)
10/17 01Z,   0.30,   0.59,  99.90,   2.08,   1.20,  0.60 ft above HAT  (min)
10/17 02Z,   0.40,   0.53,  99.90,   2.12,   1.20,  0.64 ft above HAT  (max)
10/17 03Z,   0.40,   0.45,  99.90,   2.04,   1.20,  0.56 ft above HAT  (min)
10/17 04Z,   0.50,   0.36,  99.90,   2.06,   1.20,  0.58 ft above HAT  (max)
10/17 05Z,   0.50,   0.29,  99.90,   1.99,   1.20,  0.51 ft above HAT
10/17 06Z,   0.50,   0.25,  99.90,   1.95,   1.20,  0.47 ft above HAT  (min)
10/17 07Z,   0.60,   0.26,  99.90,   2.06,   1.20,  0.58 ft above HAT
10/17 08Z,   0.60,   0.31,  99.90,   2.10,   1.20,  0.62 ft above HAT
10/17 09Z,   0.70,   0.39,  99.90,   2.29,   1.20,  0.81 ft above HAT
10/17 10Z,   0.80,   0.49,  99.90,   2.48,   1.20,  1.00 ft above HAT
10/17 11Z,   0.80,   0.58,  99.90,   2.58,   1.20,  1.10 ft above HAT
10/17 12Z,   0.80,   0.66,  99.90,   2.65,   1.20,  1.17 ft above HAT
10/17 13Z,   0.90,   0.70,  99.90,   2.79,   1.20,  1.31 ft above HAT
10/17 14Z,   0.90,   0.70,  99.90,   2.79,   1.20,  1.31 ft above HAT  (max)
10/17 15Z,   0.90,   0.67,  99.90,   2.76,   1.20,  1.28 ft above HAT
10/17 16Z,   0.90,   0.61,  99.90,   2.71,   1.20,  1.23 ft above HAT
10/17 17Z,   0.90,   0.56,  99.90,   2.65,   1.20,  1.17 ft above HAT
10/17 18Z,   0.90,   0.51,  99.90,   2.61,   1.20,  1.13 ft above HAT