Station Information

Station ID: 1096
Latitude: 30.735
Longitude: 130.992222
Coastline code: 645
Station code: 31
Country: JAPAN
Time span of data: 1965 – 2022
Completeness (%): 97
Date of last update: 03 Feb 2023

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Additional Data Sources (guide to additional data sources)

Fast Delivery Data from UHSLC station 363: hourly and daily
Research Quality Data from UHSLC station 363: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Nisinoomote 645/031 RLR(1972) is 7.9m below BM Nisinoomote

Documentation added 2012-02-21

A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.46 UTC) in Friday 11th March 2011 with the epicentre approx. 70 km east of the Oshika Peninsula of Tohoku. It was the most powerful Earthquake known to have hit Japan and triggered a tsunami with waves up to 40.5m travelling up to 10 km inland.

Data Authority

Japan Oceanographic Data Centre
Hydrographic Department, Maritime Safety Agency
MLIT Aomi Building
2-5-18, Aomi, Koto-ku
Tokyo 135-0064