Answer
Thresholds vary by boat size and direction—sustained east winds push Ocean City chop hardest. Captains judge locally beyond generic numbers. Afternoon sea breeze alone can scrub calm morning plans.
Sources: NWS Wakefield / NOAA · 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.
