St Aubin’s Fort causeway

The causeway to the St Aubin’s Fort covers on an incoming tide extremely quickly. If you are unsure about the tide and conditions, don’t take the risk! The distance between the fort and the closest part of the shore near the south arm slipway is around 400m, so allow up to 15 minutes to cross the causeway.

In an Emergency, dial 999 and ask for the Coastguard

Tides and Causeway Calculator

Before you use the causeway, please check the tide times. There is a causeway access calculator, which gives information on when the causeway at St Aubin’s Fort, and other locations around the island, will be accessible.

Click here to use Tide and Causeway calculator


If you get cut off

Don’t panic and put yourself at risk. If you can return to the fort stay there and call for help. Contact Jersey Coastguard on +44 (0) 1534 447705

In an emergency dial 999 and ask for the Coastguard

 For more information on Sea Safety in Jersey, click here