Met Eireann has upgraded its weather warning to status orange today.
The national forecaster is predicting extremely high winds in parts of Donegal, Galway, Leitrim, Mayo, Sligo, Clare, Kerry and Limerick over the next 24 hours.
Strong winds are expected to gust between 100km/h and 130km/h at times, especially along coastal areas.
Meanwhile, a yellow wind warning remains in place for Leinster, Cavan, Monaghan, Roscommon, Cork, Tipperary and Waterford.
Members of the public are been advised to stay away from shorelines and to avoid engaging in water sports.
The Irish Coast Guard has issued the warning for people not to go out on exposed coasts, cliffs, piers, harbour walls or any other coastal areas during the inclement weather.
The Coast Guard said that the high seas and waves will be highest tomorrow afternoon and into the night.
They predict severe southwest winds will have average speeds of 70km/h to 90km/h and will bring damaging gusts of 120km/h to 150km/h, strongest in exposed coastal areas.
Very high seas are also being predicted.
Manager of the Irish Coast Guard, Declan Geoghegan said: "The public should be extremely careful when venturing out in such conditions, they should check the weather forecast and remain away from exposed areas."