The direction from which the wind is blowing. For example, an easterly wind is blowing from the east, not toward the east. It is reported with reference to true north, or 360 degrees on the compass, and expressed to the nearest 10 degrees, or to one of the 16 points of the compass (N, NE, WNW, etc.).
WIND DIRECTION
Meaning of WIND DIRECTION in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012