A position adjacent to the buoy ahead has been entered as a WPT in the GPS. This will give a continuous display of the direction and distance, but it will be a less-efficient method than using CTS, where there is current affecting the vessel.
Bearing 010
Dist 1.2
Monitoring and matching the vessel’s projected COG vector against the Bearing to Waypoint (BTW) will ensure the vessel will reach the desired waypoint.