The courts service says people should assume their court date stands for tomorrow unless a local notice says otherwise.
All cases in the Four Courts and the Criminal Courts of Justice will go ahead as normal.
Around the country, the courts service says various local arrangements are being made, but if the strike goes ahead tomorrow then each judge will decide how to deal with their list.
To date, three courts have been deferred for tomorrow.
Galway Circuit Criminal matters due for Friday are being heard in advance today.
The Waterford Juvenile District Court list is deferred to a date in December and the Kilkenny Circuit Appeals list is deferred to a future date.