A decision will be made late-afternoon
Update: The Steam Packet Company has confirmed the 7.15pm sailing will go ahead as scheduled.
Tonight's 7.15pm Manxman sailing to Heysham is at risk of disruption or cancellation due to poor weather.
The Steam Packet says a decision will be made by 5pm.
Passengers are advised to check for updates before travelling.
Bookings can be amended via your online account on the ferry operator's website or by calling the reservations team.