The flags will go up at Wollongong's 17 patrolled beaches tomorrow, as the swim season kicks off for another year.
This season, Wollongong City Council has added a high-tech touch to its surf safety strategy by allowing people arriving at the beach to access a series of safety videos on their mobile phones before they hit the surf.
The videos will be accessible by scanning the QR codes - like barcodes - located on signs around the beaches, and will focus on general surf safety as well as three of the region's problem beaches.
This is in addition to the QR code program launched last year.
All the signs on all beaches direct smartphone users to a website with "real-time" information on water conditions, current hazards and the location of the nearest surf lifesaving patrol.
Beach services co-ordinator Jason Foye said the council decided to create specific videos for Puckeys, Coniston and Stanwell Park beaches in an effort to stop people swimming in dangerous conditions.
"These are our higher risk locations, and Puckeys is one beach where we have had a lot of problems in the past," he said.
"Coniston is very popular with off-leash dog owners and we thought, because we're seeing a lot more patronage there, that we should advise people of the hazards of swimming at that location.
"And Stanwell Park is generally a hazardous location, with a large shore break that's not great for young children," Mr Foye said.
Mr Foye urged beachgoers to pay attention to all signs, swim between the flags and make sure they were well informed about how to swim safely no matter which beach they chose to swim at.
Lifeguards will patrol beaches between Stanwell Park and Windang from Monday to Saturday, while volunteer surf lifesavers will take up the job on Sundays and public holidays.
Patrols continue until the end of the Easter holidays next year.
Lifeguards will also patrol Shellharbour North and Warilla beaches from tomorrow, however other Shellharbour beaches do not have patrols until December.
In Kiama, patrols do not begin until the Christmas school holidays at most beaches, however flags will go up on the main Surf Beach from Monday.