NEWS.com.au | Up to 18 sharks spotted at SA beaches on Sunday NEWS.com.au BEACHGOERS have been warned to be alert in the water after up to 18 sharks — one about 6m long and others just 40m offshore — were spotted at Adelaide beaches and further south on Sunday. Surf Lifesaving SA emergency operations manager Andrew ... Several sharks spotted near SA coast, warning issued to swimmers Sharks spotted off SA beaches, swimmers warned Large sharks seen off Adelaide beaches |