Unalaska, AK - Station ID: 9462620

Established:May 07, 1955
Time Meridian:0° E
Present Installation:Jul 27, 1989
Date Removed:N/A
Water Level Max (ref MHHW):3.10 ft. Jan 27, 1960
Water Level Min (ref MLLW):-2.78 ft. Dec 13, 2008
Mean Range:2.39 ft.
Diurnal Range:3.6 ft.
Latitude53° 52.8' N
Longitude166° 32.4' W
NOAA Chart#:16529
Met Site Elevation:9.7 ft. above MSL
Today's Tides (LST/LDT)
graphical depiction of low tide
3:30 PM
1:26 AMhigh 3.2 ft.
8:21 AMlow -0.1 ft.
3:30 PMhigh 3.9 ft.
9:29 PMlow 1.8 ft.

Sensor Information

SensorSensor IDDCP#Sensor HeightStatus
WindC1252.7 ft. above site Elevation Enabled
Air TemperatureD1124.9 ft. above site Elevation Enabled
Water TemperatureE1114.5 ft. below MLLW Enabled
Barometric PressureF1115.9 ft. above MSL Enabled
Pressure WLN12N/A Enabled
Tsunami WLU11N/A Enabled
For questions about disabled sensors, please contact CO-OPS User Services.


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How to reach: To reach the tidal bench marks from the Airport at Dutch Harbor where there is only one road leading from the Airport to the bridge that crosses over the inlet to Unalaska, once over the bridge, stay on main road till you come to a "T" intersection (Generator Plant and school should be directly ahead), make a left turn and go to the end of road to Alyeska Seafoods, Inc. Tide gauge is located on pier of fisheries property. The bench marks are located in the general vicinity.

Products available at 9462620 Unalaska, AK