Two pairs of sailings could be affected
Overnight sailings between Douglas and Heysham have been red flagged.
Adverse weather forecasts mean the crossings scheduled for tonight and tomorrow night are subject to disruption or cancellation.
The Ben-my-Chree's Master will make decisions by 5.30pm today and tomorrow.
Friday's Larne sailings cancelled due to adverse forecast
Saturday and Sunday services also at risk
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Storm Austen expected to bring strong winds to the Island this weekend