What does the combination of white, green, and red lights indicate when approaching a powerboat head-on?

When approaching a powerboat head-on, the combination of white, green, and red lights indicates that the vessel is coming towards you. In navigational terms, this is a critical situation where you must take appropriate action to avoid a collision. The green light, which denotes the starboard (right) side of a vessel, and the red light, indicating the port (left) side, confirm that you are seeing the front aspect of a powerboat. The white light typically is a masthead light that can also be visible when approaching. Recognizing these light patterns is essential for all boaters, as it allows them to assess their situation and navigate safely in busy waterways. This combination of lights does not signify the other scenarios such as being at anchor, under sail, or overtaking; thus understanding this signaling is crucial for safe operation on the water.