Older and vulnerable people will be told to limit their time outdoors again, while indoor family gatherings will be reduced to just six.
They're among the measures NPHET's recommending to combat an upsurge in Covid-19 cases, according to the Irish Independent.
Government minister's will meet later to consider the advice, which's also urging people to work from home where possible.
It comes as 56 new cases of Covid-19 were confirmed yesterday, with 322 cases identified since Saturday.
18 people are currently being treated in hospitals for the virus, with eight confirmed cases in ICUs.