Station Information

Station ID: 679
Latitude: 41.25
Longitude: 141.15
Coastline code: 647
Station code: 111
Country: JAPAN
Time span of data: 1952 – 2008
Completeness (%): 96
Date of last update: 21 Apr 2009

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 1991-06-11

Ominato 647/111 RLR(1974) is 8.2m below BM Ominato

Documentation added 1993-03-17

Possible datum shift in record 1969 onwards.

Documentation added 2011-02-22

When Ominato is buddy checked with Asamushi profile actually fits better after the supposed datum shift.

Documentation added 2013-02-21

On the original RLR diagram in the late 1980s the value for BM/TGZ varies by 2-3mm returning to 2.834m in the early 1990s. These adjustments were not incorporated and the RLRFAC remails 5.366m throughout the dataset.

Data Authority

Japan Oceanographic Data Centre
Hydrographic Department, Maritime Safety Agency
MLIT Aomi Building
2-5-18, Aomi, Koto-ku
Tokyo 135-0064