A Status Yellow wind warning has been issued for 14 counties, effective from today until tomorrow morning.
For Galway, Mayo, Clare, Cork, Kerry and Limerick, Met Éireann has said southwest to west winds veering northwest will reach mean speed 50-65km/h, with gusts of 90-110km/h.
The forecaster said strong winds coupled with high tides will bring an increased risk of coastal flooding.
The warning came into effect at 3pm today and is valid until 1am tomorrow.
For Dublin, Louth, Meath, Wicklow, Wexford, Sligo, Leitrim and Donegal, Met Éireann has said west to northwest winds will reach mean speed of 50-65km/h, with gusts of 90-110km/h.
The forecaster said the combination of strong winds coupled with high tides will again bring an increased risk of coastal flooding.
The warning came into effect at 9pm and is valid until 2am tomorrow.
For Antrim and Down, the UK's Met Office has said strong winds are expected overnight, which may lead to some disruption.
That warning is in place from 9pm tonight until 3am tomorrow.