When you see a white buoy with an orange crossed diamond and black lettering what does this market tell you?

A white buoy with an orange crossed diamond and black lettering indicates a controlled area, typically signaling that certain activities are prohibited. The symbol warns boaters and swimmers to avoid the area for safety reasons, such as hazards or restricted zones. The specific lettering on the buoy often provides additional details about the restrictions in place. Always adhere to these markers to ensure safety on the water.