The most common and most likely answer to this crossword clue is the 6 letter word AGADIR
I've seen this crossword clue in Financial Times
A
G
A
D
I
R
More clues leading to the result AGADIR
- Aura round old tribe that is located in north Africa
- Wander in breeze in Moroccan seaport
- Sleeveless cardigan lost in Moroccan port
- A German raid destroyed Moroccan city
- Aura surrounding old tribe in Moroccan location
- Muslim leader’s free to make a comeback somewhere in Morocco
- Free Turkish commander back in Moroccan port
Buddy explains!

The straight part
We know that "Moroccan seaport" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case moroccan seaport = agadir.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.