You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

Just maintain the course you are on and your speed.

Explanation:

When you see a green and a white light, then from the port (left) side you will start coming across another craft. You are the stand-alone craft in this scenario and therefore should stay consistent with your pace and direction. The other craft must take important and early measures to keep the craft away from you.