I've learned a lot from the comments here, based on others comments I think the solution to my issue is to use a tag like like coastline=pelagic (from wikipedia "A pelagic coast refers to a coast which fronts the open ocean, as opposed to a more sheltered coast in a gulf or bay.") on the oceanic coastline because I'd like separation of these shorelines within these bays and the coastline facing the open ocean.
I'd also like to consider how to tag rias, so we can differentiate between a ria and the open ocean. _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging