Station Information

Station ID: 1099
Latitude: 34.658056
Longitude: 135.432778
Coastline code: 643
Station code: 21
Country: JAPAN
Time span of data: 1965 – 2023
Completeness (%): 100
Date of last update: 04 Mar 2024

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.

Station Documentation

Link to RLR information.

Documentation added 1993-07-12

Osaka 643/021 RLR(1976) is 8.3m below Attached BM W61

Documentation added 1994-07-15

Pugh, 1987 (Tides, surges and mean sea-level. Wiley) refers to subsidence at Osaka caused by ground water extraction.

Documentation added 2003-11-20

Datum 2001 is 3.583m below Tokyo Peil.

Documentation added 2012-02-21

A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.40 UTC) on Friday 11th March 2011 with the epicentre approx. 70 km east of the Oshika Peninsula of Tohoku. It was themost powerful earthquake known to have hit Japan triggering a tsunami with waves up to 40.5m and travelling up to 10km inland.

Data Authority

Japan Meteorological Agency
3-6-9 Toranomon, Minato City