The red and green lights on ships are one such convention, ... The other side of the boat -- its left side -- is called the "port" side. Of course, to work this out, ...

Navigation lights: These are the classic red and green lights mounted on the bow of your boat. In addition to being required by law, they let other vessels know which direction you are traveling at ...

Make sure to turn off all other lights on your boat that may interfere, or cause confusion, with navigation lights. Another tip: “Whenever you see a red navigation light from another vessel ...

The light on the right side was green, and the one on the left was red. If your boat approached another vessel from the right, you could pass, but if you approached on the left, you had to give way.

The lights come with two wires, a screw set, and foam tape bases to attach to any kayak or boat. If the red and green lights pictured aren't to your liking, they’re also available in white.

Seeing only a green light means that it's crossing your path from your left to your right. If you see both a red and a green light, that means that the vessel is travelling towards you.