Irish Aviation Authority website:
2030 hours local - Saturday 15th May 2010: Due to the prevailing weather conditions, and sustained low-level volcanic activity over the past number of days, the volcanic ash cloud is drifting towards Ireland from the North Atlantic. The cloud is likely to be over the west coast early tomorrow morning, and will cover the rest of the country later in the day.
Irish Aviation Authority - 2030 hours local - Saturday 15th May 2010: Donegal, Sligo and Ireland West (Knock) open until 0700 hours local, Sunday 16th May 2010. All other airports open until at least 1300 hours local.