The Orange Weather Alert is due to be lifted this hour however Met Eireann says it will remain wet in Cork right up to the weekend.
Cork has been badly hit by flooding right across the city and county as the combination of high tide and heavy rain led to serious road flooding.
Low lying streets around South Mall had to be closed earlier, a section of the North Mall was also closed and heavy flooding is also report on South Terrace wiith council crews responding to heavy flooding in Rochestown, Carrigaline, Glanmire and Blarney as rivers burst their banks.
St Francis College in Rochestown has been forced to close due to the weather and road conditions.
City Council Crews have been on the streets since first light responding to emergency calls.
Parts of Cork county are under water this lunchtime due to the severe nature of this weather event.
In East Cork heavy fast flowing floods have hit parts of Youghal, the sea wall has been washed away on the Waterford side of the town and flooding has also been reported in Killeagh, Mogeely and Ladsybridge and at Kinsalebeg on the N25.
The Bog Road in Carrigtwohill near the railway station is under water, along with a number of areas in Carrigaline and Glanmire.
Cork County Council say they expect many parts of the road network to remain closed throughout the day as saturated land, high rivers and streams and coastal overtopping are all leading to severe flooding issues.
Council crews responded to 106 incidents between 5pm yesterday and 9am this morning with the Cork County Fire Service responding to over 30 additional calls to date.