The Steam Packet Company says two of its sailings tonight may be disrupted because of weather.
A decision will be made on the Ben my Chree's 7.45pm trip from Douglas to Heysham at 5.30pm.
Also under threat is the ship's return voyage which is due to set off from Heysham at 2.15am tomorrow morning.
Ronaldsway met Office says winds are due to reach gale force later tonight.
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