Expect gusts of up to 120 km/h in some places.
Met Éireann has issued a status orange wind warning for Wexford and Waterford.
The warning is in place from 9am on 15 February until 8pm on the same day.
People in the area are being told to expect "south to southwest winds with mean speeds of 55 to 75 km/h will gust up to 120 km/h, strongest on exposed coasts and hills."
Aside from this, there are also two status yellow weather warnings in place for the rest of the country too.
A status yellow rainfall warning for Ireland states that spells of heavy, locally thundery rain is expected today. This will lead to some flooding.
That warning is valid from 6am on Saturday 15 February until 9pm on the same day.
Elsewhere, a status yellow wind warning is also in place for the country with "very squally southerly winds veering southwesterly with mean speeds 50 to 65 km/h gusts to around 100 km/h, strongest on exposed coasts and hills. Winds moderating from the northwest later."
In terms of the overall forecast, Storm Dennis is set to bring wet and very windy weather this weekend and the conditions will carry into Monday. There is a risk of flooding and damaging gusts in some places too.
