Crossword Compass

Compass points come up often in crossword puzzles. But since 3 letters is the smallest word a puzzle can have, there are only 8 possible choices - NNE, ENE, ESE, SSE, SSW, WSW, WNW, NNW. If you are lucky, the clues gives you some information to help you narrow down the choices even more. Use the picture above or try to picture the compass in your head to help you figure out the answer.

Here's a clue that points to the right answer -

20 across 180 deg. from wsw
(Universal Crossword, Jingle All The Way, by Lizzie Swathmore, edited by Timothy Parker)
_ _ _ ENE

hint: 180 degrees is directly opposite on the compass