Bad weather has forced the cancellation of more ferries.
This evening's P&O ferry sailings between Larne Port in Co Antrim and Cairnryan in Scotland have been suspended.
P&O's last operating sailings will be the 4.30pm in each direction this afternoon.
This morning all Irish Ferries Swift sailings on the Dublin Holyhead route were cancelled.
High winds have also forced the cancellation of the Liffey Ferry in Dublin city until further notice.
AA Roadwatch is advising motorists to drive carefully and to watch out for fallen debris due to strong gusts of wind.
Stormy conditions with gusty winds and surface water will affect all road users, especially those on high ground or exposed roads.
A weather warning from Met Éireann remains in effect, forecasting a cold snap over Ireland for today, tomorrow and for much of the weekend.
Wintry showers of hail, sleet and snow are expected at times, with Ulster, Connacht, northern counties of Leinster and west Munster most at risk of some significant snowfall.
The days and nights will be very cold with any snow lying.
