Captain Ashley Williams said Wales know they face a tough challenge against Croatia tomorrow night.
"I think they're very good, they've got some top players in their team", the defender warned.
Wales are high on confidence after beating Scotland on Friday, but their last defeat came in October in Croatia.
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Breezy overnight. It will become fairly cloudy as the night progresses.
It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.