Northeast by east is a directional term that refers to a point on the compass halfway between northeast and east. This direction is commonly used in marine navigation to indicate the direction of travel. Other synonyms for northeast by east include north-northeast, NNE, and 022.5° on the compass. This direction is used to navigate ships and boats in coastal waters and can be used to determine the course of a vessel for safe and optimal travel. While there may be variations of this directional term, the use of northeast by east remains a common and important navigational tool for sailors and mariners.