What does a red and whit light indicate while operating a powerboat at night?

A red light on a powerboat indicates the port (left) side, while a green light indicates the starboard (right) side. When operating at night, a red and white light combination typically means that the vessel is either anchored or restricted in its ability to maneuver. The red light signifies the port side, while the white light serves as a stern light or indicates the vessel's overall presence. This configuration helps other boaters understand the vessel's orientation and status.