GLOSS Station Handbook

GLOSS Station Handbook – Nauru, Gilbert Is.

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 number114
Station nameNauru, Gilbert Is.
Time zone180E, GMT + 12hrs
Latitude (+ve N)-0.53333
Longitude (+ve E)166.9
Observation periods1974-
Responsible countryU.S.A.
Authority responsible for tide gaugeDr. M. Merrifield, University of Hawaii, Dept. of Oceanography, 1000 Pope Road MSB 307, Honolulu, Hawaii 96822, U.S.A.
GLOSS contactUSA
Committed to GLOSSYes
Digital dataYes
Data acquisition rate15 minute intervals, filtered to hourly values
Fast delivery data at UHSLCData 004 File format
High frequency data at BODCData 114 Document 77230 Document 57219
High frequency data at UHSLCData 004a Data 004b Document 004a Document 004b File format
Real-time data availableYes
Additional parameters (real-time)None
Tide gauge benchmarkUH-1: recessed triangle (steel pin is rusted away), no stamp, located 2ft E of tide well and 1ft from edge of quay (established 01 May 1974)
Benchmark relationshipsDatum for levelling is zero of the tide staff established in 1988.
Datum is 3.826m below UH-1 (Oct 1989)
Datum is 3.595m below UH-2B (Oct 1989)
Datum is 6.483m below UH-3B (Oct 1989)
Auxiliary benchmarksUH-2B: 0.5 inch hex head SS screw set in epoxy with 'BM2B' written in cement, located near crane warehouse wall below harbour masters office.
UH-3B: 0.5 inch hex head bolt set in epoxy with 'BM3B' written in cement located on upper curb of Queen's Landing, 50ft S of habour master house.
UH-6A: 3/8 inch brass, located on left side of red door, it is the right hand pin of pair.
(UH-2B, UH-3B established Aug 1983, UH-6A - Oct. 1989)
Data at PSMSL
Annual MSL (RLR) dataRLR 1844 RLR 1374
Annual MSL (RLR) plot
MSL methodaverage of daily values
PSMSL code1844
Other relevant codesUHSLC 004
Additional information
Other relevant informationBackup gauges on site:
1) Leupold and Stevens (October 1985-)
2) Handar encoder (February 1984-)
Daily values calculated using 119-point convolution filter (Bloomfield, 1976) centred on noon applied to the hourly data with respective periods of the 95, 50 and 5% amplitude points at 124.0, 60.2 and 40.2 hours.
Last updated5 December 1993