Coastal areas will be battered by high winds until Thursday, Met Éireann has warned.
A status orange weather alert is in place with high winds set to hit large parts of the country between now and Thursday.
Met Éireann has issued weather warnings in two parts of the country which are in effect until 8am on Thursday.
A Status Orange wind warning is in effect for counties Donegal, Galway, Leitrim, Mayo and Sligo with overnight gusts likely in coastal areas of 100-130km/h.
A Status Yellow wind warning is in effect for Munster, Leinster and counties Cavan, Monaghan and Roscommon with winds likely to gust to 70-110km/h.
The Irish coastguard service has advised people to stay away from coastal areas of the north and west for the next 48 hours.
Met Éireann said today it will continue to be very windy and blustery, with strong to gale force westerly winds and some severe gusts in the west and north. It will feel cold with temperatures of between 4-8 degrees forecast with some squally showers of rain or hail.
The forecaster said s sleet or snow will fall on hills in parts of Connacht and Ulster.
Tomorrow night will be bitterly cold and windy with clear spells and wintry showers, the showers most frequent in northern and western areas with falls of sleet and snow on hills.
Clare County Council has urged people in flood prone coastal locations to remain vigilant over the next 48 hours due to a heightened risk of coastal and tidal flooding.
It said: “People in coastal areas of County Clare which have flooded in the past should take note that, due to high winds, very high waves and associated tidal surges, there is a high risk of coastal flooding in such areas from this evening to Thursday morning in particular at times of high tides.”