Answer
Maryland DNR and safety educators cite at least four inches of clear, solid ice for foot travel—thinner ice, slush, and snow-covered bays fail the test. Tidal flows, springs, and geese holes weaken ponds unpredictably. When in doubt, stay on shore.
Sources: Maryland DNR · 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.
