It means the boat is coming straight toward you.
When operating a powerboat at night white light should be shown on the stern and red and green lights on the bow.
Sail boat is coming at you
Sail boat is coming at you
Sail boat is coming at you
Starboard (right) side
That what you see is a sailboat. The green light means you must give way.
When operating a powerboat at night, seeing a green light on another boat indicates that the vessel is facing you from the starboard (right) side, while the white light suggests it is likely a powerboat. According to navigation rules, the green light is a sidelights indicating which way the other boat is oriented. You should maintain a safe distance and be prepared to take evasive action if necessary.
That what you see is a sailboat. The green light means you must give way.
another vessel is at anchor
A sail boat is headed straight at you
The red light is on the port side of the boat, while the green light is an the starboard side. So, if the boat in front is showing a red light on the left and a green light on the right, it is going away from you.
The red light is on the port side of the boat, while the green light is an the starboard side. So, if the boat in front is showing a red light on the left and a green light on the right, it is going away from you.