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 : 01/24/2026 10:21:46 GMT (units in feet MLLW)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/22 18Z,  -0.30,  -0.23,   0.89,  99.90,   1.42,  (min)
01/22 19Z,  -0.30,  -0.19,   0.89,  99.90,   1.38,
01/22 20Z,  -0.30,  -0.08,   0.96,  99.90,   1.34,
01/22 21Z,  -0.30,   0.06,  99.90,  99.90,  99.90,
01/22 22Z,  -0.30,   0.19,  99.90,  99.90,  99.90,
01/22 23Z,  -0.30,   0.28,  99.90,  99.90,  99.90,
01/23 00Z,  -0.40,   0.31,  99.90,  99.90,  99.90,
01/23 01Z,  -0.40,   0.27,  99.90,  99.90,  99.90,
01/23 02Z,  -0.30,   0.17,  99.90,  99.90,  99.90,
01/23 03Z,  -0.30,   0.03,  99.90,  99.90,  99.90,
01/23 04Z,  -0.20,  -0.12,   1.26,  99.90,   1.58,  (max)
01/23 05Z,  -0.20,  -0.23,   1.05,  99.90,   1.48,
01/23 06Z,  -0.30,  -0.28,   1.01,  99.90,   1.59,
01/23 07Z,  -0.20,  -0.26,   0.96,  99.90,   1.42,  (min)
01/23 08Z,  -0.20,  -0.17,   1.05,  99.90,   1.42,
01/23 09Z,  -0.20,  -0.05,   1.10,  99.90,   1.35,
01/23 10Z,  -0.10,   0.08,   1.30,  99.90,   1.32,
01/23 11Z,  -0.10,   0.18,   1.36,  99.90,   1.28,
01/23 12Z,  -0.10,   0.23,   1.46,  99.90,   1.33,
01/23 13Z,  -0.10,   0.21,   1.49,  99.90,   1.38,  0.01 ft above HAT  (max)
01/23 14Z,  -0.10,   0.13,   1.44,  99.90,   1.41,
01/23 15Z,   0.00,   0.00,   1.30,  99.90,   1.30,
01/23 16Z,   0.00,  -0.13,  99.90,  99.90,  99.90,
01/23 17Z,   0.10,  -0.23,   1.16,  99.90,   1.29,
01/23 18Z,   0.10,  -0.28,  99.90,  99.90,  99.90,
01/23 19Z,   0.10,  -0.26,   1.14,  99.90,   1.30,  (min)
01/23 20Z,   0.10,  -0.18,   1.18,  99.90,   1.26,
01/23 21Z,   0.20,  -0.04,  99.90,  99.90,  99.90,
01/23 22Z,   0.20,   0.11,   1.50,  99.90,   1.19,  0.02 ft above HAT
01/23 23Z,   0.20,   0.24,   1.61,  99.90,   1.17,  0.13 ft above HAT
01/24 00Z,   0.20,   0.31,   1.71,  99.90,   1.20,  0.23 ft above HAT
01/24 01Z,   0.20,   0.33,   1.74,  99.90,   1.21,  0.26 ft above HAT  (max)
01/24 02Z,   0.30,   0.27,   1.70,  99.90,   1.13,  0.22 ft above HAT
01/24 03Z,   0.30,   0.16,   1.67,  99.90,   1.21,  0.19 ft above HAT
01/24 04Z,   0.30,   0.02,   1.64,  99.90,   1.32,  0.16 ft above HAT
01/24 05Z,   0.30,  -0.10,   1.56,  99.90,   1.36,  0.08 ft above HAT
01/24 06Z,   0.40,  -0.19,   1.55,  99.90,   1.34,  0.07 ft above HAT  (min)
01/24 07Z,   0.50,  -0.22,   1.58,  99.90,   1.30,  0.10 ft above HAT
01/24 08Z,   0.50,  -0.19,   1.65,  99.90,   1.34,  0.17 ft above HAT
01/24 09Z,   0.50,  -0.11,   1.71,  99.90,   1.32,  0.23 ft above HAT
01/24 10Z,   0.50,  -0.01,   1.75,  99.90,   1.26,  0.27 ft above HAT
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/24 11Z,   0.40,   0.08,  99.90,   1.77,   1.28,  0.29 ft above HAT  (max)
01/24 12Z,   0.30,   0.14,  99.90,   1.75,   1.30,  0.27 ft above HAT  (min)
01/24 13Z,   0.30,   0.15,  99.90,   1.77,   1.32,  0.29 ft above HAT  (max)
01/24 14Z,   0.20,   0.10,  99.90,   1.64,   1.34,  0.16 ft above HAT
01/24 15Z,   0.10,   0.00,  99.90,   1.47,   1.37,
01/24 16Z,   0.00,  -0.12,  99.90,   1.27,   1.39,
01/24 17Z,  -0.10,  -0.23,  99.90,   1.08,   1.41,
01/24 18Z,  -0.20,  -0.30,  99.90,   0.93,   1.43,  (min)
01/24 19Z,  -0.20,  -0.31,  99.90,   0.94,   1.45,  (max)
01/24 20Z,  -0.40,  -0.26,  99.90,   0.81,   1.47,
01/24 21Z,  -0.60,  -0.15,  99.90,   0.74,   1.49,
01/24 22Z,  -0.80,  -0.00,  99.90,   0.71,   1.51,  (min)
01/24 23Z,  -0.90,   0.15,  99.90,   0.76,   1.51,  (max)
01/25 00Z,  -1.10,   0.26,  99.90,   0.68,   1.51,
01/25 01Z,  -1.20,   0.33,  99.90,   0.64,   1.51,
01/25 02Z,  -1.30,   0.33,  99.90,   0.54,   1.51,
01/25 03Z,  -1.30,   0.27,  99.90,   0.48,   1.51,
01/25 04Z,  -1.40,   0.17,  99.90,   0.28,   1.51,
01/25 05Z,  -1.40,   0.05,  99.90,   0.16,   1.51,
01/25 06Z,  -1.40,  -0.06,  99.90,   0.06,   1.51,  (min)
01/25 07Z,  -1.30,  -0.12,  99.90,   0.09,   1.51,  (max)
01/25 08Z,  -1.30,  -0.14,  99.90,   0.07,   1.51,  (min)
01/25 09Z,  -1.20,  -0.11,  99.90,   0.20,   1.51,
01/25 10Z,  -1.10,  -0.05,  99.90,   0.36,   1.51,
01/25 11Z,  -1.10,   0.02,  99.90,   0.43,   1.51,
01/25 12Z,  -1.00,   0.08,  99.90,   0.59,   1.51,
01/25 13Z,  -0.90,   0.10,  99.90,   0.71,   1.51,
01/25 14Z,  -0.80,   0.08,  99.90,   0.79,   1.51,
01/25 15Z,  -0.60,   0.01,  99.90,   0.92,   1.51,  (max)
01/25 16Z,  -0.60,  -0.09,  99.90,   0.82,   1.51,
01/25 17Z,  -0.50,  -0.20,  99.90,   0.81,   1.51,
01/25 18Z,  -0.50,  -0.28,  99.90,   0.73,   1.51,  (min)
01/25 19Z,  -0.40,  -0.32,  99.90,   0.79,   1.51,
01/25 20Z,  -0.40,  -0.31,  99.90,   0.80,   1.51,  (max)
01/25 21Z,  -0.50,  -0.23,  99.90,   0.78,   1.51,  (min)
01/25 22Z,  -0.50,  -0.11,  99.90,   0.90,   1.51,
01/25 23Z,  -0.60,   0.03,  99.90,   0.94,   1.51,
01/26 00Z,  -0.70,   0.16,  99.90,   0.97,   1.51,
01/26 01Z,  -0.70,   0.27,  99.90,   1.08,   1.51,
01/26 02Z,  -0.70,   0.32,  99.90,   1.14,   1.51,
01/26 03Z,  -0.60,   0.33,  99.90,   1.24,   1.51,  (max)
01/26 04Z,  -0.60,   0.28,  99.90,   1.19,   1.51,
01/26 05Z,  -0.60,   0.20,  99.90,   1.11,   1.51,
01/26 06Z,  -0.70,   0.10,  99.90,   0.92,   1.51,  (min)
01/26 07Z,  -0.60,   0.02,  99.90,   0.93,   1.51,  (max)
01/26 08Z,  -0.60,  -0.03,  99.90,   0.88,   1.51,
01/26 09Z,  -0.70,  -0.05,  99.90,   0.76,   1.51,  (min)
01/26 10Z,  -0.70,  -0.03,  99.90,   0.78,   1.51,
01/26 11Z,  -0.60,   0.01,  99.90,   0.92,   1.51,
01/26 12Z,  -0.50,   0.04,  99.90,   1.06,   1.51,
01/26 13Z,  -0.50,   0.07,  99.90,   1.08,   1.51,
01/26 14Z,  -0.40,   0.06,  99.90,   1.17,   1.51,
01/26 15Z,  -0.30,   0.02,  99.90,   1.23,   1.51,
01/26 16Z,  -0.20,  -0.05,  99.90,   1.26,   1.51,
01/26 17Z,  -0.10,  -0.14,  99.90,   1.27,   1.51,  (max)
01/26 18Z,  -0.10,  -0.22,  99.90,   1.19,   1.51,
01/26 19Z,  -0.10,  -0.28,  99.90,   1.13,   1.51,
01/26 20Z,  -0.10,  -0.31,  99.90,   1.10,   1.51,  (min)
01/26 21Z,   0.00,  -0.28,  99.90,   1.23,   1.51,
01/26 22Z,   0.00,  -0.21,  99.90,   1.30,   1.51,
01/26 23Z,   0.00,  -0.10,  99.90,   1.41,   1.51,
01/27 00Z,   0.10,   0.03,  99.90,   1.64,   1.51,  0.16 ft above HAT
01/27 01Z,   0.20,   0.15,  99.90,   1.86,   1.51,  0.38 ft above HAT
01/27 02Z,   0.20,   0.25,  99.90,   1.96,   1.51,  0.48 ft above HAT
01/27 03Z,   0.20,   0.31,  99.90,   2.02,   1.51,  0.54 ft above HAT
01/27 04Z,   0.30,   0.32,  99.90,   2.13,   1.51,  0.65 ft above HAT  (max)
01/27 05Z,   0.30,   0.30,  99.90,   2.11,   1.51,  0.63 ft above HAT
01/27 06Z,   0.20,   0.25,  99.90,   1.96,   1.51,  0.48 ft above HAT
01/27 07Z,   0.10,   0.18,  99.90,   1.79,   1.51,  0.31 ft above HAT
01/27 08Z,   0.10,   0.12,  99.90,   1.73,   1.51,  0.25 ft above HAT
01/27 09Z,   0.10,   0.07,  99.90,   1.68,   1.51,  0.20 ft above HAT
01/27 10Z,   0.10,   0.04,  99.90,   1.66,   1.51,  0.18 ft above HAT
01/27 11Z,   0.10,   0.04,  99.90,   1.65,   1.51,  0.17 ft above HAT  (min)
01/27 12Z,   0.10,   0.05,  99.90,   1.66,   1.51,  0.18 ft above HAT
01/27 13Z,   0.10,   0.05,  99.90,   1.67,   1.51,  0.19 ft above HAT  (max)
01/27 14Z,   0.00,   0.05,  99.90,   1.57,   1.51,  0.09 ft above HAT
01/27 15Z,   0.00,   0.04,  99.90,   1.55,   1.51,  0.07 ft above HAT
01/27 16Z,   0.00,  -0.00,  99.90,   1.51,   1.51,  0.03 ft above HAT
01/27 17Z,   0.00,  -0.06,  99.90,   1.45,   1.51,
01/27 18Z,   0.00,  -0.13,  99.90,   1.38,   1.51,
01/27 19Z,   0.00,  -0.20,  99.90,   1.31,   1.51,
01/27 20Z,   0.00,  -0.25,  99.90,   1.26,   1.51,
01/27 21Z,   0.00,  -0.27,  99.90,   1.24,   1.51,  (min)
01/27 22Z,   0.00,  -0.26,  99.90,   1.26,   1.51,
01/27 23Z,   0.00,  -0.20,  99.90,   1.31,   1.51,
01/28 00Z,   0.00,  -0.11,  99.90,   1.40,   1.51,
01/28 01Z,  99.90,  -0.00,  99.90,  99.90,   1.51,
01/28 02Z,  99.90,   0.11,  99.90,  99.90,   1.51,
01/28 03Z,  99.90,   0.21,  99.90,  99.90,   1.51,
01/28 04Z,  99.90,   0.28,  99.90,  99.90,   1.51,
01/28 05Z,  99.90,   0.33,  99.90,  99.90,   1.51,
01/28 06Z,  99.90,   0.33,  99.90,  99.90,   1.51,