JOHANNESBURG - The National Sea Rescue Institute needs your help.
Last year, its members carried out more than 1,300 rescue missions, saving more than 1,900 people and more than 50 animals.
Lifeguards at beaches prevented thousands of possible drownings.
Now they are calling on you to help them raise funds, by taking a dip on the winter solstice, the longest night of the year, on Saturday.
To tell us more about the campaign and how you can dive in, I'm joined by Andrew Ingram from the National Sea Rescue Institute.