Keep it on your left when heading upstream
Keep the buoy on your port (left) side.
A green light
Keep it on your left when heading upstream
Keep the buoy on your starboard side
Keep it on your left when heading upstream
Keep it on your left when heading upstream
Keep it on your left when heading upstream
Keep it on your left when heading upstream
Red Right Returning- so the green buoy should be on your left side, the red on your right, and you in the middle.
Keep bouy on port side
Keeping it on your port, passing it to starboard, will prevent your running aground.
Since this is a Green Lighted Buoy sighted while approaching a harbour,this is a Lateral port hand side mark, IALA region B. To keep this buoy on your port side while travelling upstream.