Station Information

Station ID: 1671
Latitude: 24.332222
Longitude: 124.163611
Coastline code: 646
Station code: 42
Country: JAPAN
Time span of data: 1986 – 2023
Completeness (%): 97
Date of last update: 05 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: ISHI
Nearby Real Time Stations from VLIZ: ishig
Fast Delivery Data from UHSLC station 365: hourly and daily
Research Quality Data from UHSLC station 365: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 2001-02-23

Ishigaki II 646/042 RLR(1993) is 9.7m below Attached BM

Documentation added 2002-03-26

Ishigaki gauge replaced June 1979.

Documentation added 2002-03-26

Ishigaki II replaced Ishigaki (646/041) 1st October 1986.

Documentation added 2012-02-22

A massive earthquake of magnitude 9.0 occurred at 14.46 JST (05.46 UTC) on Friday 11th March 2011 with the epicentre situated approx. 70km east of the Oshika Penisula of Tohoku. The earthquake was the largest ever to hit Japan and triggered a tsunami with waves of up to 40.5m which travelled up to 10km inland.

Data Authority

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