Answer
Small-craft advisories, lightning, and dense fog ground fleets—shops reschedule or refund per policy. Morning fog may delay opens; afternoon thunderstorms clear the water fast in summer.
Sources: National Weather Service · U.S. Coast Guard · 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.
