For the first time in its 34-year history, the Rottnest Channel Swim was abandoned mid-race as conditions quickly deteriorated, sparking a string of emergency rescues.
The Nearshore Wave Tool, developed by NSW's Environment and Heritage scientists, is updated every hour, providing up-to-date information about coastal conditions.
Reigning 50m freestyle world champion Cameron McEvoy and fellow sprinting phenom Shayna Jack are among 24 Australian athletes set to compete at the World Aquatics Championships in Doha in February.
Police are working to formally identify the body of a man found at a popular beach south of Sydney five days after the disappearance of an international student.
World Aquatics has said they will remove Swimming Australia's membership if issues surrounding governance are not resolved, meaning athletes would have to compete under a neutral flag at world events.
After decades of banishment from mainstream wardrobes, one of fashion's most divisive garments - the men's swimming brief - is making a tentative return across the globe.
People hoping for a refreshing swim at some of Sydney's most popular beaches may need to rethink their plans as a warning is issued over a major algae bloom.