Data and Station Information for OFUNATO II

Station Information

Station ID:	1364
Latitude:	39.019722
Longitude:	141.753333
GLOSS ID:	87
Coastline code:	642
Station code:	22
Country:	JAPAN
Time span of data:	1974 – 2021
Completeness (%):	98
Link to ellipsoid:	Available
Date of last update:	17 Mar 2022

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.

Tide Gauge Data

Plot of monthly mean sea level data at OFUNATO II.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at OFUNATO II.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution. NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: P205
Nearby Real Time Stations from VLIZ: ofun
Fast Delivery Data from UHSLC station 351: hourly and daily
Research Quality Data from UHSLC station 351: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Ofunato II 642/022 RLR(1976) is 8.6m below Attached BM

Documentation added 2002-03-26

Ofunato II replaced I (642/021) 25th May 1973;

Documentation added 2010-02-11

From the RLR plot a rising trend in the dataset is clearly visible.

Documentation added 2011-02-22

Profile compares well with that for Ayukawa.

Documentation added 2012-02-22

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

Documentation added 2014-03-13

The GPS benchmark information has been downloaded from the SONEL website. GPS benchmark P205 is 13.696m above RLR.

Documentation added 2022-04-05

Following review of data affected by the Tōhoku earthquake of 2011, all data has been flagged as good as GSI have recommenced levelling at the site. The station flag has been set to indicate the record needs to be treated with care, but the data appears to accurately reflect the earthquake's ongoing effect on local relative sea level.

Data Authority

Marine Department
Japan Meteorological Agency
Ote-machi, Chiyoda-ku
Tokyo

Data

Data Notes

Extracted from Database

OFUNATO II