What shape is the marker that indicates areas where passage is prohibited?

The marker that indicates areas where passage is prohibited is shaped like a crossed diamond. This distinctive shape serves as a clear warning to boaters that they should avoid these areas for safety reasons. The crossed diamond symbolizes not only a prohibition but also signals an important restriction, helping to differentiate it from other marker types that may indicate caution or areas where boating is permitted.

This messaging is crucial for maintaining safety on the water, as it helps prevent accidents and ensures that boaters understand where they should not navigate. Knowing how to recognize these markers allows individuals to respond appropriately and adhere to boating regulations. Thus, the use of a crossed diamond is essential in conveying the significance of restricted areas effectively.