Storm Barra is heading for Ireland, with a status red wind warning issued for Cork and Kerry.
Met Eireann say it will bring damaging gusts in excess of 130 kilometres per hour.
An orange wind warning will also come into effect for 8 other counties including Mayo and Galway, with severe or damaging gusts of between 100 and 130 km/h, with severe gusts on coasts.
Due to a combination of high waves, storm surge and high tide, coastal flooding is expected, while Met Eireann says disruption to power supplies and travel is likely.
The weather warning for Mayo and Galway runs for 24 hours from 6am tomorrow morning.
The Irish Coastguard is appealing to all mariners and coastal communities to be mindful of the severe weather warnings.
Walkers should avoid exposed areas including seafronts and cliff walkways, as they may be hit by sudden gusts, while all other forms of open water sport and recreation should be avoided.
Householders are also advised to put away garden furniture and outdoor Christmas decorations ahead of the storm.
Met Eireann forecaster Aoife Kealy has been telling Midwest News this evening about the likely impact of the storm in this region.....