The Department of Health also confirmed 6 additional deaths.
3,655 of the new cases are in Dublin, 323 in Kildare, 234 in Limerick and 137 in Louth.
The 14 day incidence rate of the virus is 583 cases per 100,000 people.
776 coronavirus patients are in hospital, while 70 people are in ICUs.
Chair of NPHET's Modelling Advisory Group, Philip Nolan, says the number of positive tests is increasing rapidly:
