The Dover crew respond to a mayday for a small boat crossing the English Channel. Then another vessel capsizes, leaving over 20 people fighting for their lives in the water.

A ten-year-old boy has been swept out to sea on a paddleboard. The North Berwick crew race to his rescue.

With a storm battering the south coast of England, a windsurfer is in trouble. The Portsmouth crew have to decide whether it’s even safe for them to launch.

The Newhaven crew make a desperate attempt to rescue a yachtsman before his vessel is smashed on the rocks

A 999 call comes in from the young son of a windsurfer in trouble; the Mudeford crew battle 80mph winds in an increasingly desperate search.

In Portaferry, Northern Ireland, the crew face an increasingly urgent search for two kayakers who have been blown out to sea in 50mph winds.

A frantic mother alerts the lifeguards after six teenagers are cut off by the tide in Watergate Bay, north Cornwall.

A kayaker has called a mayday after getting into trouble; although he’s able to communicate via his VHF radio, it’s a race against time to find him.

In Plymouth, the crew respond to a mayday call - the highest level of emergency at sea - for a diver who has lost consciousness during a 30-metre dive to a shipwreck.

The Blackpool crew receive reports of a man struggling in the water at midnight. It’s vital to get him urgent medical attention.