BOM Michael Knepp meteorologist said the cyclone was moving away from Queensland but weather warnings would remain in place for the next few days before it settled next week.
«She’s heading away from Queensland right now and starting to turn back to the north and move north-west,» he said.
«She will remain offshore in a weakening trend.»
However, dangerous surf conditions were expected along the southern Queensland and far northern New South Wales coasts and Lord Howe Island at the weekend and into early next week.
People on the south-east Queensland coast and islands were being warned to brace themselves for abnormally high tides, dangerous surf and damaging winds.
«Oma is expected to become slow moving and transition to an extra-tropical system during Saturday morning, before turning back towards the north on late Saturday or Sunday,» a BOM spokesman said.
«Dangerous surf conditions are occurring about exposed beaches along the southeast Queensland coast south of Sandy Cape, including the Sunshine Coast and Gold Coast.
«These conditions are expected to continue on Sunday.»
The spokesman said that, as water levels would rise, there was a potential for significant beach erosion due to the conditions, which would also bring gale-force winds to Queensland.
«Locally, damaging wind gusts in excess of 90 kilometres per hour are likely about the exposed coast and islands between Sandy Cape and the Queensland/NSW border today,» he said.
«These damaging wind gusts may extend to the southern border ranges, inland to about Springbrook and Tamborine Mountain, today and into Sunday.»
Locations that may be affected include Gold Coast, Maroochydore, Moreton Island, North Stradbroke Island, Noosa Heads, Caloundra, Rainbow Beach, Fraser Island, Tamborine Mountain and Springbrook.
A hazard surf warning was also in place for Fraser Island Coast, Sunshine Coast, Moreton Bay and Gold Coast.
Jocelyn Garcia is a journalist at the Brisbane Times, covering breaking news.