Met Éireann is warning of unseasonably wet and windy weather on Monday with a Status Yellow wind and rain raining issued for 11 counties.
The warning comes into effect for Clare, Cork, Kerry, Limerick, Waterford, Donegal, Galway, Leitrim, Mayo, Sligo, Wexford at 3am on Monday morning and is valid until 10pm.
The forecaster says it will be a wet and windy start to Bank Holiday Monday with further heavy spells of rain leading to spot flooding, with a risk of "wave overtopping" in coastal areas.
Southwesterly winds, veering northerly throughout the day, are forecast to reach speeds of 50 to 65km/h with gusts up to 100km/h, particularly in coastal areas and on higher ground.
Fresh to strong and gusty southerly winds will veer westerly with some damaging gusts through the day.
Winds will continue to reach gale force along coastal areas of the southeast, southwest and west. In the afternoon, rain will break up into showers with some sunny spells developing, but with the risk of hail too.
Met Éireann says highest temperatures will be 10 to 12 degrees.