a red light, of course!
Blue
Blue
Blue
Blue
Blue
The buoy you would find at the edge of a swimming area is A) white with a blue horizontal band. This type of buoy indicates a designated swimming zone, marking the area safe for swimmers. The other options typically signify different navigational or warning purposes.
SB-47 Blue
SB-47 Blue
red
Blue
Green is a square shaped daymark buoy.
The jet ski user violated the law when he rode past the buoy into the swimming area. I brought my sister some flowers to buoy her spirits.