Disclosed herein is a debris shield adaptable for use with a boat and a trailer. The debris shield includes a frame assembly, and a canvas. The frame assembly includes a frame and at least one adjustable arm with one end suitable to be connected to either the side portion of the boat that sits above the trailer or the base of the trailer, and another end suitable to be connected to the frame. The adjustable arm is adjustable in length to adapt the frame to at least one of the height of the boat and the width of the trailer base. The canvas includes a substantially rectangular part. The rectangular part has a trailer side, a stern side, a boat side and a bow side. The trailer side is fastenable to the frame. The debris shield is adjustable to at least one of the height of the boat and the width of the trailer.