Similar rules will also come into effect in Scotland tomorrow but both Northern Ireland and England have made no changes to the rules regarding returning home from Portugal.
Earlier on in the programme, Naga grilled Transport Secretary Grant Shapps on the issue of ever-changing quarantine rules, where he admitted: “I realise it’s confusing to people.”
The host said: “If you are planning to go on holiday, I think people generally accept rates change but there’s no clear guidance. If you came on last week saying 20 out of 100,000 is a clear number to look at…
“If you see the number rising, say you’re out there, you book a flight and pay extra to come back and then the rules change and you waste money?”
However, Mr Shapps hit back, saying: “That level per 100,000 is rule of thumb but it’s only a rule of thumb, for those who are interested I’ve tweeted about this extensively.”
BBC Breakfast airs daily from 6am on BBC One.