NorthLink are warning of possible delays on tonight’s sailings owing to adverse weather.
The northbound sailing to Lerwick could be subject to delays of up to two hours.
This evening’s journey from Lerwick to Aberdeen is also expected to be delayed.
Arrival into Kirkwall is expected to be 1am, with an estimated departure of quarter to two. This is expected to have a knock on effect resulting in a 10am arrival in Aberdeen tomorrow morning.