: \* Length Overall ( LOA ) is the extreme length from one end to the other ( see also o\/a ) : \* Length on the Waterline ( LWL ) is the length from the forwardmost point of the waterline measured in profile to the stern-most point of the waterline . : \* Length overall ( LOA ) is the extreme length from one end to the other . : \* Length at the waterline ( LWL ) is the length from the forwardmost point of the waterline measured in profile to the stern-most point of the waterline .