The Taoiseach s remarks came after a meeting of the North South Ministerial Council.
Restaurants and pubs that serve food were allowed open to customers on the premises for the first time after Ireland s second lockdown on December 4.
Nphet has now recommended renewed restrictions prior to New Year s Eve.
Mr Martin said the public health body is proposing significant restrictions on hospitality and the Government is very minded to accept the advice.
He acknowledged that it s very serious for the hospitality sector and he said the Government stands ready to support them during this very, very difficult period.
Mr Martin said Covid-19 cases are rising due to increased mobility since restrictions were eased.