What does a regulatory buoy with a diamond symbol indicate?

A regulatory buoy displaying a diamond symbol serves to indicate danger in the surrounding waters. This symbol is used to warn boaters of specific hazards such as rocks, shallow areas, or other potential dangers that could pose a threat to navigation or safety. Recognizing and respecting this signal is crucial for maintaining safe boating practices, as it directs operators to exercise caution in these areas and avoid potential accidents. Properly understanding navigational aids, like this buoy, enhances overall safety for all individuals on the water.