Natalie Donoghue, aged 54, was last seen about 9.30am Sunday when she left her home on Joan Street, Foresters Beach, to go for a bike ride.

Just before midday Monday a Lifesaver helicopter located Natalie Donoghue and directed ground crews to her location.

Rescue crews are currently with the woman and will soon meet with medical staff where she will be examined.

EARLIER: Police are searching for a woman last seen heading south of Cessnock for a bike ride.

Natalie Donoghue, 54, was last seen about 9.30am on Sunday when she left her Forresters Beach home on the Central Coast to go for a bike ride. 

Ms Donoghue left in her Nissan four-wheel drive with a bike attached and told family she was going to ride through Yango National Park at Bucketty, south of Cessnock. 

When she failed to return home on Sunday afternoon, family raised the alarm. 

Hunter police, the Westpac Rescue Helicopter Service and the volunteer Rescue Association are conducting a full-scale search of the area.

Ms Donoghue is described as caucasian and was last seen wearing a pink sports top and black bike pants. 

Anyone with information is urged to call Brisbane Water police on 4323 5599 or Crime Stoppers on 1800 333 000.