A number of Met Éireann weather warnings are in effect as Storm Diana arrives over Ireland.
Severe weather teams on standby as Storm Diana hits
A Status Orange wind alert is in place for coastal counties in the west and south, with a Status Yellow warning for the rest of the country.
Severe and potentially damaging gusts of up to 130km/h are forecast for counties Galway, Clare, Kerry, Cork, Waterford and Wexford.
Met Éireann says there is also a risk of coastal flooding due to high seas.
Strong winds will extend nationwide during the day with a Status Yellow alert for the remaining counties in place until this evening.
As a precaution, people are being advised to avoid exposed coastal areas during the high winds.
Road users are also being urged to be vigilant for debris and spot flooding while the ESB says it has a number of crews on standby to deal with any power outages.
Around 2,100 homes and businesses are without power in Tipperary with more than 1,400 affected in Macroom, Co Cork.
The National Directorate Fire and Emergency Management has asked local authorities to activate their severe weather teams.
Fourteen flights are cancelled at Cork Airport, to and from Birmingham, Manchester, Edinburgh, Bristol, Amsterdam, Paris and London Heathrow.
Passengers are advised to check the latest status of their flight on their airline's website.
Cork County Council said that its weather assessment team met yesterday.
High tide is due in Cork city just before 9am and the city council says some areas along the quays in the city may experience spot flooding, and traffic restrictions may be in place between 8am and 10am.
Cork County Council says a tidal surge of up to three-quarters of a metre may give rise to coastal flooding in some areas.
Gardaí and emergency services reported no significant weather-related incidents overnight in Cork and Kerry, but conditions are expected to deteriorate.
There is surface water on many roads with storm-related debris on the M8 Fermoy-Cork motorway, southbound in the vicinity of junction 13 Glanmire. Motorists are asked to slow down on approach.
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