Passengers are requested to check-in no later than 11.45am
Tomorrow's sailings between Douglas and Liverpool have been brought forward.
The Manannan sailing was set to leave the Island at 3pm but is now due to depart at 12.30pm instead.
The return will leave Liverpool at 5pm instead of 7.15pm.
The Steam Packet Company says it's due to the weather forecast.
Passengers are requested to check-in no later than 11.45am.
TT organisers announce revised Saturday race schedule
Senior race to be restarted over four-lap distance tomorrow (6 June)
TT campers in 'high spirits' despite rain affecting race week
'Costa del Ballaugh' one week, mud the next
Rider taken to Noble's Hospital after Senior TT red flag
Competitor 'conscious and talking' after incident at 11th Milestone
Red flag stops Senior TT race
Race halted during second lap