Official documents by both state and federal governments have records on both North and South Straits. While the Wikipedia article cited a sailing guide.
This is another instance I caught people thinking "copying Wikipedia to improve OpenStreetMap is okay-ish"
@AkuAnakTimur Yeah, that happens a lot, especially for remote-only mappers.
This is good case of how often, local knowledge trumps everything else, including *good* intentions. 😜