Some regions in the South Coast have received little rainfall for the month of June so far.
Kiama, Merimbula and Narooma received lower-than-average rainfall for the month.
While Jervis Bay, Nowra and Batemans Bay received higher-than-average rain.
On May 30 the Bureau of Meteorology released its winter outlook which predicted the next three months were likely to be warmer and drier than average for large parts of the nation.
The Bureau of Meteorology's winter climate outlook predicted eastern and central Australia was unlikely to receive the above average rainfall many people had hoped for.
Manager of long-range forecasting Dr Andrew Watkins said winter would shape up to be drier than average for most of eastern Australia, with warmer than average days very likely for much of the country.
Bamarang Dam is currently at 100 per cent capacity with dams in the Shoalhaven at 87 per cent total combined storage.
Level One water restrictions will be brought into place if the supply at Bamarang Dam reduces to 60 per cent.
As of June 25 water flow was at 252 million litres, if it drops below 90 million litres Shoalhaven Water will stop pumping from rivers and rely solely on storage supplies.