Return journey could also be affected
The Ben-my-Chree sailing from Douglas to Heysham this evening is at risk of possible disruption or cancellation.
The Steam Packet says it is due to the forecast adverse weather conditions.
A decision on the sailing will be made by 5.30pm, it's scheduled to leave at 7:45pm.
It means tomorrow's return journey from Heysham to Douglas at 2.15am could also be affected.
Government told to reprocess Freedom of Information request
Hospitality boss says losing website address has 'massively' affected business
Review of Island's schools finds strengths and areas for growth
Calls for needle disposal boxes at Island beaches