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The first minister of Wales has not ruled out reducing the two-metre social distancing rule to one metre at his press conference on Monday.
Prime Minister Boris Johnson is expected to relax the two-metre rule in England, with some conditions.
Mark Drakeford said he would do the same if Welsh advisers said it was safe.
The pub industry has been calling for the rule to be eased, saying they would struggle otherwise.
"We put the health of the public first," Mr Drakeford said.
"Of course, we will follow the advice that the prime minister will be relying upon for any announcement that he makes.
"If the advice we get through our scientific networks and through our chief medical officer is that it is possible to amend the advice we give and things can open safely - of course, that is what we would want to do, but we will assess that for ourselves.
"We will make decisions in a way that are right for Wales".
The change to the rule in England, which follows a UK government review, is expected to come into effect on 4 July.
The World Health Organization recommends a distance of at least 1m (just over 3ft), but the UK government's scientific advisers say that distance carries up to 10 times the risk of being two metres apart.
The Welsh Government has put the two-metre rule into legislation.
Firms operating in Wales must do all they can to ensure two-metre separation at work, risking fines otherwise.
Shops opening in Wales on Monday have been expected to use social distancing measures.