A Status Orange wind warning has been issued for Co Kerry and Co Cork.
It will come into effect for Co Kerry from 2am until 8am.
The Orange warning also applies to Cork between 6am up to 9am, with Met Éireann advising of gusts in excess of 110 km/h.
A Status Yellow warning for counties Clare, Cork, Kerry, Limerick, Galway and Mayo comes into effect at 1am and will remain in place until 5pm.
⚠️Status Orange - Wind warning for Kerry & West Clare⚠️— Met Éireann (@MetEireann) April 11, 2023
Stormy for a time with damaging gusts in excess of 110km/h
🗓️Kerry: 02:00 Wednesday 12/04/2023 to 08:00 Wednesday 12/04/2023
🗓️West Clare: 02:00 Wednesday 12/04/2023 to 05:00 Wednesday 12/04/2023https://t.co/l8JdKfxxiH pic.twitter.com/aaKLBzByDf
A separate Status Yellow wind warning will come into effect at 8am for Leinster, Cavan, Donegal, Monaghan, Leitrim, Roscommon, Sligo, Tipperary and Waterford.
This warning will come to an end at 8pm.
Met Éireann has said there will be widespread gusts of between 90km/h and 110km/h, possibly stronger in coastal areas and on high ground.
The forecaster also warned of wave overtopping in some coastal areas.
Meteorologist Siobhán Ryan said that there would be wind and rain conditions throughout the morning continuing into the day.
Speaking on RTÉ's Today with Philip Boucher-Hayes, she said there was a "very windy picture nationwide" for Wednesday, adding that the northwest wind would be strong and gusty.
Rain would be accompanying that wind, she said, with some spells of very heavy rain, thundery rain and potential hail.
Meanwhile, the UK Met Office has also issued a Status Yellow rain warning for counties Antrim, Armagh, Down, Fermanagh, Tyrone and Derry.
That warning came into effect at 3pm and will be in place until 3am this morning.
Another warning for Antrim, Armagh, Down, Fermanagh, Tyrone and Derry will come into place at 11am and end at 8pm this evening.