Answer
First afternoon slot after a beach lightning hold sells fastest—buy timed tickets online while still in condo pajamas. Birthday parties stack on Saturdays; walk-ins may wait even with prepaid socks. Have a backup movie time if jump sessions are full.
Sources: Visit Ocean City · National Weather Service
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.
