A Status Yellow wind warning for 11 counties is due to come into effect this afternoon, with “difficult travel conditions” possible.
The warning for counties Clare, Cork, Kerry, Waterford, Donegal, Galway, Leitrim, Mayo, Sligo, Wexford, and Wicklow will be in effect between 2pm and 10pm.
Met Éireann said it would be very windy with strong and gusty south-to-southwest winds as well as gales or strong gales near coasts.
It said this carried potential impacts of wave overtopping, loose objects being displaced, some fallen trees and branches, and difficult travelling conditions.
In Northern Ireland, the UK Met Office has issued a series of warnings that affect different locations at different times.
A yellow warning for rain is in effect until 9pm, with the risk of some flooding in places.
A yellow warning for wind applies to those along coastlines in counties Antrim, Down, and Derry, as well as Co Tyrone until 9pm.
The warning will be immediately followed by another yellow warning for wind until midday tomorrow, applying to areas in Antrim, Derry and Tyrone.