Most counties have experienced flooding following heavy rain and some roads around the country are impassable. Motorists are being advised to drive with extreme caution.
Meanwhile the Coast Guard has issued a warning of very high seas and gale winds in the southwest, while wave heights of more than 10m are predicted for the southwest and western coasts.
It says the combination of tides, gales and high sea conditions may result in very dangerous conditions on the coast, and it says people should heed all warnings.
The Coast Guard has advised that people not to go on exposed coasts, cliffs, piers, harbour walls, beaches, promenades or any other coastal areas.
The Road Safety Authority has appealed for extra caution on the roads this weekend, as stormy conditions are forecast for tonight and Sunday morning.
Mr Noel Brett, Chief Executive, Road Safety Authority advises, 'extreme weather conditions will result in hazardous driving conditions with fallen debris on roads, flooding of roads and reduced driver visibility from heavy rainfall. Therefore it is best to avoid making any unnecessary journeys. If driving is unavoidable be extra vigilant, belt up and always expect the unexpected"'
Flooded roads include parts of the Ballyragget Rd, Co Kilkenny, the Ballyfin Rd, Portlaoise, the N62 in Co Tipperary, old Cratloe rd in Co Clare and minor roads in Co Cavan.
Fooding In Cork city has meant traffic is down to one lane as you approach the Bloomfield intersection from Carrigaline on the South Ring Rd.
In Co Galway, gardai say parts of the N59 Galway to Clifden Rd, the N17 Tuam Rd at Claregalway and the Galway to Headford road are flooded but passable.
