GLOSS Station Handbook

Station information sheet

GLOSS number100
Station name

Sand Point, AK

Time zone135W, GMT - 9hrs
Latitude (+ve N)55.33333
Longitude (+ve E)-160.5
Observation period(s)1972-, 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 Sand Point, AK
Digital dataYes
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCDownload h574.dat from UHSLC   Format documentation for UHSLC data
High frequency data at UHSLCDownload from UHSLC   Download documentation qa574a.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
Tide gauge benchmarksUS C&GS tidal benchmark survey disk stamped '5 1943' set in a boulder near the Trident Seafood Corporation machine shop at Sand Point, Popof Island, AK.
Benchmark relationshipsTGBM = 18.15 feet above mean lower low water (1960-1978 epoch) TGBM = 14.32 feet above mean sea level (1960-1978 epoch) TGBM = 11.67 feet above mean high water (1960-1978 epoch)
Auxiliary benchmarks3 1943 9450 L 1982 NO 6 1950 'Standard Disc' 9450 K 1982 NO 7 1950 NO 8 1953 NO 9 1954 Site inspection 1993 states 'all levels agree with history'
Data at PSMSL 
Annual MSL (RLR) dataDownload annual MSL (RLR) data for Sand Point, AK
Annual MSL (RLR) plotView annual MSL (RLR) plot for Sand Point, AK
MSL methodSimple average of all daily values
PSMSL code1634
Other relevant codesUHSLC 574
Additional information 
Other relevant informationIntermittent observations at this site: 1913, 1943, 1950-1955, 1964
Last updated2002-12-11