Strange Croatian accent in chilly waters (9,5)

I believe the answer is:

antarctic ocean

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'waters' is the definition.
(I know that Antarctic Ocean is a ocean)

'strange croatian accent' is the wordplay.
'strange' is an anagram indicator.
'croatian'+'accent'='croatianaccent'
'croatianaccent' with letters rearranged gives 'ANTARCTIC OCEAN'.

'in chilly' is the link.
I am not very happy about this link. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for antarctic ocean that I've seen before include "Southern sea" , "a lot of water" , "watery waste" .)

I've seen this clue in the Sydney Morning Herald.

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