GLOSS Station Handbook

GLOSS Station Handbook – Sand Point, AK

The GLOSS Station Handbook is currently being re-designed and upgraded.

Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click the GLOSS number buttons to view the information. Click column headings to sort the table.

Station information

Gloss number100
Station nameSand Point, AK
Time zone135W, GMT - 9hrs
Latitude (+ve N)55.33333
Longitude (+ve E)-160.5
Observation periods1972-, being upgraded 2007
Responsible countryU.S.A.
Authority responsible for tide gaugeNOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA
GLOSS contactUSA
Committed to GLOSSYes
Location map
Digital dataYes
Data acquisition rate6 minute intervals
Fast delivery data at UHSLCData 574 File format
High frequency data at UHSLCData 574a Document 574a File format
Data held at national organisationYes
Real-time data availableYes
Real-time data transmitted to GLOSS Fast Centre
Additional parameters (real-time)None
Tide gauge benchmarkUS 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) dataRLR 1634
Annual MSL (RLR) plot
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 updated11 December 2002