The Royal Navy's flagship HMS Bulwark will sail into Weymouth later as the force prepares to provide security for the sailing events at the Olympic Games.
Patrol vessels, landing craft, the Royal Marines and Merlin Helicopters will patrol the coast of Dorset during the games.
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Police are hunting a driver who knocked down and killed a woman outside a hospital before driving off.
Cloud and rain first thing but it will gradually dry up from the north west. Becoming bright in the west, staying quite cloudy in the east
Rain becoming more persistent overnight. Rain and cloud slow to clear tomorrow but becoming dry by the afternoon. Some brightness later