Answer
Intertidal sand and mud flats expose clam beds only when water retreats—tide charts matter more than clock time. Arrive at falling tide, work the flat as it drains, and exit before incoming surf covers holes. Moon phases amplify range; spring tides expose the most bottom.
Sources: Maryland DNR · National Weather Service · Visit Ocean City
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
