Data and Station Information for SAKAI

Station Information

Station ID:	811
Latitude:	35.547778
Longitude:	133.243056
Coastline code:	647
Station code:	41
Country:	JAPAN
Time span of data:	1957 – 2024
Completeness (%):	97
Date of last update:	21 Mar 2025

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 SAKAI.

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

Plot of annual mean sea level data at SAKAI.

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.

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Sakai 647/041 RLR(1966) is 8.0m below Attached BM

Documentation added 2002-03-26

Sakai gauge replaced May 1978.

Documentation added 2003-11-20

Datum 1997 is 1.200m below Tokyo Peil.

Documentation added 2011-02-23

Dataset buddy checked with Saigo - Saigo profile is generally lower but features compare well.

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 the epicentre 70km 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
Tokyo

Data

Data Notes

Extracted from Database

SAKAI