A type of green marker is the cylinder-shaped can buoy. Red colors, red lights, and even numbers mark the edge of a channel on your starboard (right) side as you enter from open sea or head upstream. ... If red is on top, keep the buoy on your right. These markers are sometimes called “junction buoys.”

What do the colors of buoys mean?

Navigational Signals From Buoys

Red and green channel markers show boaters where the boating channels are in waterways. Regulatory markers will show boaters what they can or cannot do in specified areas. ... A green can buoy means pass to the right, and a red nun buoy means pass to the left when moving upstream.

Do buoys have numbers on them?

These cone-shaped buoys are always marked with red markings and even numbers. They mark the edge of the channel on your starboard (right) side when entering from open sea or heading upstream.