The most common and most likely answer to this crossword clue is the 3 letter word AYR
I've seen this crossword clue in The Times
A
Y
R
More clues leading to the result AYR
- Scottish port’s atmosphere, so to speak
- Scottish port employing lawyers regularly
- Scottish port involved in Hogmanay revels
- Scottish town with little sunshine, first to last?
- Scottish town, some holiday resort
- Scottish town into Sunday racing
- Twelve months in Scottish resort
- Scottish resort where Ray’s gone off
- Twelve months in northern port
- Lawyer regularly visited northern town
Buddy explains!

The straight part
We know that "Scottish port" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scottish port = ayr.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.