What does a yellow buoy indicate?

A yellow buoy indicates the presence of caution or danger. This type of buoy is often used to alert boaters to specific hazards in the water, such as shallow areas, underwater obstacles, or potential dangers that require attention while navigating. In maritime navigation, recognizing the color and shape of buoys is crucial for safety. Yellow buoys serve as important markers that prompt boaters to exercise caution as they proceed, ensuring they remain aware of any dangers that could potentially harm them or others.

The other options pertain to different buoy colors or shapes that convey other meanings. For instance, a safe anchorage area might be marked by a specific type of mooring or anchorage buoy, while the direction of the current is not typically indicated by a buoy. Prohibited areas, such as no-wake zones or restricted entry sites, are usually marked with buoys that use different color schemes or symbols to indicate the specific restrictions in those regions.