Nic Lonsdale, duty watch manager at Portland Coastguard, said: "We are urging people to observe the warning signs and stay away from the edge." The cliffs at Durdle Door and Lulworth have been crumbling since the start of year.
In January, the steps to the famous landmark collapsed. Earlier this month, coastguards warned that the path was beginning to fall away.
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Crowds of racing enthusiasts from far and wide came to West Sussex to see cars of all variety race at the 75th Goodwood Members’ Meeting.
Thursday's forecast for the east of the region
Thursday's forecast for the west of the region