The service appealed for donors to come forward earlier this month saying that over 22,000 donations are needed over the next two months.
Supplies of O-negative, A-positive and B-negative are in short supply in the country.
The clinics on Wednesday and Thursday are open from 3:45pm to 7:40pm and the service is offering two hours free parking at the nearby Q-Park for anyone who donates.
Eligibility details and how to book an appointment are available on giveblood.ie or 1800 731 137.
