NNE

from WordNet (r) 3.0 (2006)

NNE
    n 1: the compass point that is midway between north and
         northeast [syn: {north northeast}, {nor'-nor'-east}, {NNE}]

from The Collaborative International Dictionary of English v.0.48

NNE \NNE\ n. (All capitals)
   north northeast; the compass point that is midway between
   north and northeast.

   Syn: north northeast, nor'-nor'-east.
        [WordNet 1.5]