Vessel due to leave Douglas at 9pm
Tonight's Manxman sailing from Douglas to Heysham will go ahead but later than originally planned.
The crossing will now depart at 9pm instead of 7.45pm.
Passengers are asked to check in by 8.15pm.
The return sailing at 2.15am tomorrow (11 September) will now leave Heysham port at 4am.
The Steam Packet Company is warning of potential disruption to later sailings tomorrow due to forecast adverse weather.
The master will make a final decision at 7am.
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