Crossword Genius

Skin last seal in the Atlantic, perhaps (4)

Ross

I believe the answer is:

asea

I'm a little stuck... Click here to teach me more about this clue!

'skin last seal' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'in the atlantic perhaps' is the wordplay.
'in the' becomes 'a' (I can't justify this - if you can you should give a lot more credence to this answer).
'atlantic perhaps' becomes 'sea' (atlantic is a kind of sea).
'a'+'sea'='ASEA'

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I've seen this clue in The Independent.
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