• (n.) That part of the sea at a good distance from the shore, or where there is deep water and no need of a pilot; also, distance from the shore; as, the ship had ten miles offing; we saw a ship in the offing. Found on http://thinkexist.com/dictionary/meaning/offing/
Naval In the Offing: Old naval expression meaning near at hand; originally it meant a distance from the shore - i.e., towards the horizon. Found on http://www.britishempire.co.uk/glossary/o.htm
Off'ing noun [ From Off .] That part of the sea at a good distance from the shore, or where there is deep water and no need of a pilot; also, distance from the shore; as, the ship had ten miles offing ; we saw a ship in the offing . Found on http://www.encyclo.co.uk/webster/O/14
noun the part of the sea that can be seen from the shore and is beyond the anchoring area; `there was a ship in the offing` Found on https://www.encyclo.co.uk/local/20974