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
Thursday's weather for the west of the region
Thursday's weather for the east of the region
Foreign Office Minister Tobias Ellwood has been praised after attempting to save the life of the police officer killed in New Palace Yard.