Overnight heavy showers and blustery winds have led to hazardous driving conditions in most parts of the country.
AA Roadwatch is continuing to advise motorists to drive with extreme care.
Storms yesterday knocked out electricity supply in parts of the country, particularly in counties along the western seaboard.
Meanwhile, a house near Craughwell in Co Galway was struck by a lightning bolt last night.
A teenage girl fled the house with children she was babysitting and raised the alarm.
It took two hours for fire engines from Galway city to bring the blaze at the house under control.
In Co Offaly, a bridge collapsed on the Mountrath Road.
All Stena Line HSS services on the Dun Laoghaire-Holyhead route have been cancelled.
The Irish Ferries sailings between Dublin and Holyhead have also been cancelled. All other sailings by both companies have not been affected.
