What does a JA Buoy indicate?

A JA Buoy is specifically designated for indicating weather conditions, particularly related to meteorological data collection. Typically, these buoys gather information such as atmospheric pressure, wind speed and direction, and sea state. This data is essential for both maritime operations and inland navigation, as it helps improve safety and awareness of current weather conditions for vessels operating in the vicinity.

While shallow water warnings, navigation hazards, and docking markers are crucial for safe navigation, they each have their own specific buoy types and markings. The JA Buoy's primary role in providing weather-related information is what sets it distinctly apart in this context.