OFSHR has various meanings in the NOTAM Contractions category. Discover the full forms, definitions, and usage contexts of OFSHR in NOTAM Contractions.
That geographic area that lies seaward of the coastline. In general, the coastline is the line of ordinary low water along with that portion of the coast that is in direct contact with the open sea or the line marking the seaward limit of inland water. If a state agency uses a different basis for classifying onshore and offshore areas, the state classification should be used.
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