Search at Henley Beach concludes

The alarm was raised at 1.20pm on Monday 6 January after a witness reported seeing a person in distress in the water.

Emergency services, including Surf Life Saving SA, immediately launched a search of the water and shoreline using patrols, ATVs, Polair and drones.

After extensive searching of the water and beach, there have been no further sightings and no reports of anyone missing or other information has been received.