GLOSS Station Handbook

GLOSS Station Handbook – Ofunato

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 number87
Station nameOfunato
Time zone135E, GMT + 9 hrs
Latitude (+ve N)39.01666
Longitude (+ve E)141.75
Observation periods1963-, acoustic since 2006
Responsible countryJapan
Authority responsible for tide gaugeOceanographical Division, Climate and Marine Department, Japan Met. Agency, 3-4, Otemachi- 1, Chiyoda-ku, Tokyo 100, Japan
GLOSS contactJapan
Committed to GLOSSYes
Location map
Digital dataYes
Data acquisition rateContinuous recording
Fast delivery data at UHSLCData 351 File format
High frequency data at BODCData 087 Document 59818 Document 59804
High frequency data at UHSLCData 351a Document 351a File format
Real-time data availableYes
Real-time data transmitted to GLOSS Fast Centre
Additional parameters (real-time)None
Tide gauge benchmarkJapan Met. Agency Benchmark bolt inside tide gauge hut adjacent to stilling well
Benchmark relationshipsTide Gauge Zero (TGZ) = 1.838m below Tokyo Peil (Mean Sea Level of Tokyo Bay)
TGZ = 5.329m below TGBM (from 1973 onwards)
Auxiliary benchmarksTide Station BM 1.629m above Tokyo Peil (1997).
Data at PSMSL
Annual MSL (RLR) dataRLR 1140 RLR 1364
Annual MSL (RLR) plot
MSL methodMean of hourly values
PSMSL code1364
Other relevant codesUHSLC 351
Additional information
Other relevant informationThe TGBM is on top of the stilling well. Another benchmark is near the station which is used to decide the height of the TGBM and monitor the height of the tide station. This second benchmark is levelled in to the nearest first class benchmark which is part of the network operated by the Geographical Survey Institute, Ministry of Construction. Heights of benchmarks are described as above Tokyo Peil (TP).
Nearest Met. stationOfunato
Last updated20 November 1997