New Jersey Statutes Title 12. Commerce and Navigation 12 § 7B-1

Every rowboat, canoe, sailboat or craft propelled by hand or foot, operating on any fresh water lake lying wholly within the State and having a total area of not less than 3 1/2 square miles, shall from sunset to sunrise carry and display lights when under way or at anchor as follows:  (a) a bright white light aft to show all around the horizon visible at a distance of at least 2 miles;  and (b) in addition, if 26 feet or over in length, on the starboard (right side) a green light and on the port (left side) a red light both so constructed as to show an unbroken light over an arc of the horizon of 10 points of the compass visible at a distance of at least 1 mile, so fixed as to throw the light from right ahead to 2 points abaft the beam, and fitted with inboard screens of sufficient length and height to prevent such lights from being visible across the bow.