Four of the Steam Packet's upcoming sailings are in doubt because of bad weather.
The company's website lists this evening, Tuesday, March 24's 7.15pm crossing from Douglas to Heysham as being at risk of disruption or cancellation.
This means the Manxman's 1.45am return from Lancashire to the capital may also not be going ahead.
A final decision on these crossings is due to be made at 5.15pm, Tuesday, March 24.
Meanwhile two more sailings on Wednesday, March 25, the 1.45am and 8am, are also in doubt.
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