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.
More top news
Passengers who were on a BA plane bound for Gatwick have filed a lawsuit after it caught fire.
Saturday morning's weather for the west of the region
Saturday morning's weather for the east of the region