It appears that at least Thurs & Fri services to Campbeltown are off. There is other disruption to other routes which may be of concern to others, link below - the note re Ardrossan - Campbeltown is a quote from page link.
https://www.calmac.co.uk/service-changes/industrial-action-timetables
Note: The Ardrossan-Campbeltown sailings have been cancelled on Thurs 25 & Fri 26 June.
