Distressed sailors and struggling swimmers. If you are in trouble at sea - they will be there to help you.
And this summer Kent and Essex had the UK's busiest coastal RNLI lifeboat stations - at Southend on Sea and Ramsgate.
But with the worst summer on record for 100 years - why have call outs soared in some areas? Sarah Saunders has been finding out.
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Friday evening's weather for the East of the region
The latest weather in the west of the region presented by Aidan McGivern.
The latest weather in the East of the region presented by Aidan McGivern.