The most common and most likely answer to this crossword clue is the 13 letter word SOUTHEASTERLY
I've seen this crossword clue in Financial Times
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Buddy explains!
The straight part
We know that "wind" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wind = southeasterly.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SOUTHEASTERLY mean?
SOUTHEASTERLY noun- A strong wind or storm from the southeast.
- Situated in, or pointing to, the southeast
- (chiefly of a wind) coming from the southeast
- From the southeast.