Hey fellas, Sorry it took so long to reply.
Heres a good one for the Yellow sea:
https://www.oceangrafix.com/chart/zoom?chart=94028
Parent site:
https://www.oceangrafix.com/chart/de...d-Korea-Strait
Cool thing about the charts is how much you can zoom in. Ill have to do some testing to see how accurate the soundings are, as well as how they line up Long/Lat wise.
Update: some of the charts are not viewable online, need to be purchased. Many charts do work though