Tomorrow's services remain at risk
Tonight's Manxman sailing to Heysham and the return service at 2.15am tomorrow have both been cancelled.
The Steam Packet Company says it's due to adverse weather conditions.
Passengers affected can amend their bookings free of charge online, or contact the reservations team on 661661.
Tomorrow's services are also at risk of possible disruption or cancellation - a final decision on those services is due by 7am.
Gusts of up to 40mph are expected overnight, increasing to 50-55mph tomorrow.
Ronaldsway Met Office has issued a yellow weather warning for coastal overtopping tomorrow.