GLOSS Station Handbook

Station information sheet

GLOSS number302
Station name

Adak, Aleutian Is.

Time zone150W, GMT - 10hrs
Latitude (+ve N)51.86666
Longitude (+ve E)-176.63333
Observation period(s)1943-, being upgraded 2007
Responsible countryU.S.A.
Authority responsible
for tide gauge
NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA
GLOSS contactUSA
Committed to GLOSSYes
Location mapView location map for GLOSS station Adak, Aleutian Is.
Digital dataYes
Additional parametersWind speed/direction, air/sea temp., barometric pressure
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCDownload h040.dat from UHSLC   Format documentation for UHSLC data
High frequency data at BODCDownload from BODC   View Adak, Aleutian Is. site history  
High frequency data at UHSLCDownload from UHSLC   Download documentation qa040a.dmt from UHSLC   Format documentation for UHSLC data
Data held at national organisationYes
Real-time data availableYes
Real-time data transmitted
to GLOSS Fast Centre
Real-time data plots from UHSLC
Additional parameters (real-time)Wind speed/direction, air/sea temp., barometric pressure
Tide gauge benchmarksUS C&GS benchmark survey disk stamped 'No 18 1957' set in a concrete pad near a fire hydrant on sea wall road in Sweeper Cove.
Benchmark relationshipsTGBM = 18.97 feet above mean lower low water (1960-1978 epoch) TGBM = 16.75 feet above mean sea level (1960-1978 epoch) TGBM = 15.14 feet above mean higher high water (1960-1978 epoch)
Auxiliary benchmarksNO 20 1957 NO 14 1951 M 23 1968 1380 F 1983 M 24 1968 1380 G 1983 7 1945 No stamping 1 380 C 1981 1380 D 1982 July 1993 inspection states 'levels agree with history'.
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Adak, Aleutian Is.
Annual MSL (RLR) plotView annual MSL (RLR) plot for Adak, Aleutian Is.
PSMSL code487
Other relevant codesUHSLC 040
Additional information 
Last updated1993-12-05