Station Information

Station ID: 816
Latitude: 34.221667
Longitude: 135.145556
Coastline code: 643
Station code: 15
Country: JAPAN
Time span of data: 1957 – 2023
Completeness (%): 99
Link to ellipsoid: Available
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.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: P117

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Wakayama 643/015 RLR(1976) is 8.8m below Attached BM

Documentation added 1993-07-12

Wakayama 643/015 RLR(1976) is 8.8m below Attached BM

Documentation added 2002-03-26

Wakayama replaced by new gauge on same site July 1980.

Documentation added 2003-11-20

Datum 1996 is 1.037m below Tokyo Peil.
Datum 1998 is 1.042m below Tokyo Peil.

Documentation added 2011-02-24

Sea level profile compares well with that for Kainan.

Documentation added 2012-02-21

A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.46 UTC) on Friday
11th March 2011 with epicentre approx. 70 km east of the Oshika Peninsula of
Tohoku. It was the most powerful known earthquake to 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