A status orange wind warning is in effect from midnight Thursday until 8am Friday 7 December.
Wind speeds of between 65km/h and 80km/h, with gusts of 110km/h to 130km/h, are expected to batter the Donegal and Mayo coasts.
In addition, a previous yellow wind warning has been updated by Met Éireann to include Cavan, Donegal, Clare, Kerry and Limerick.
Winds of up to 65km/h are expected, with gusts of up to 110km/h.
Winds are expected to be strongest in coastal areas and motorists are warned to take care while driving.
The yellow wind warning will be in place from 10pm Thursday 6 December until 12pm on Friday 7 December.
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