Lateral Buoys - Channel Markers


Most of the world: When entering a channel from the sea, the channel will be marked with red buoys to the left and green buoys to the right.

Americas and some Far Eastern Areas: The reverse applies.

Lateral Marks

Red Buoy - Top Mark: Can, Lights: Red flashes

Green Buoy - Top Mark: Cone, Lights: Green flashes



Modified Lateral Marks

Red Buoy with Green Stripe
Lights: Red Group Flashes: e.g. Fl(2+1)R
Preferred channel is to Starboard, lesser channel to Port.

Green Buoy with Red Stripe
Lights: Green Group Flashes: e.g. Fl(2+1)G
Preferred channel is to Port, lesser channel to Starboard.