Islanders will not be able to access the Lighthouse walkway while maintenance work is carried out.
Repairs to the main electrical cable supplying power to the Castle breakwater Lighthouse begin today (10 October).
The work is expected to last three weeks and means islanders will not be able to use the walkway.
Head of Port Operations, Jerome Davis says the work is essential:
“As we exit our busiest time of the year, our focus is on maintaining the highest level of safety and care for all those travelling in and around Guernsey waters.
We acknowledge that this may cause some inconvenience to the public and thank islanders for their patience and understanding whilst our team conduct these repairs."
The Castle bridge will also be undergoing an inspection, at the same time.
Access to Castle Cornet remains unaffected.

Blue Islands goes into liquidation
Aurigny signals its intention to operate inter-islands flights long-term
'It's very clear that they have been working with Loganair for a while'
Donation boxes to help Guernsey families with premature babies
Airlines will require a licence to operate Guernsey-Jersey route
Guernsey Electricity says it is listening over price rises
Jersey and Guernsey's Chambers of Commerce saddened by Blue Islands' collapse
Aurigny announces inter-islands flights