Access to Les Grands Vaux remains closed after yesterday's flash floods, and several roads in the immediate area are also closed.
Officials said islanders would be unable to access Les Ruissieaux, Mont Neron and Deloraine Road "until further notice".
Police have advised: "Please follow any signage in place and if possible avoid those affected areas completely.
"Plan your journey and give yourself plenty of time to get to your destination if you think your route may be affected by heavy traffic."
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