Even though the Illawarra and South Coast is over the worst of the wild weather that hit the region this week, boaters in particular are being reminded to stay safe over the weekend.

Dangerous surf and strong winds are forecast along the NSW coast with Transport for NSW Maritime urging boaters to stay off the water.

NSW Maritime Executive Director Mark Hutchings said this week's powerful weather system is expected to continue to bring large waves and hazardous conditions along the east coast.

"While the rain and wind are beginning to ease, the swell remains hazardous. We strongly urge all boaters to stay off the water until conditions improve," he said.

“We’re asking all boaters and water users to stay off the water while these conditions pass.

“A strong low-pressure system is moving down the coast, bringing rough seas and big swells.

“Crossing coastal bars or heading offshore in this kind of weather is extremely dangerous.

"If you’ve brought a boat or jet ski on holidays, don’t risk it, leave it on the trailer and stay off the water.

“We’re seeing lots of debris into the waterways; the debris not be able to be seen which makes it extremely dangerous for boaters.

"There are safer times to enjoy the water, now is not one of them. Taking risks puts your life and others in danger, including emergency services who may need to respond.

“If you absolutely must go out, stick to sheltered inland waters and wear a properly fitted lifejacket at all times. Check the weather before and during every trip, and if in doubt, don’t go out.”