The man was swept out of the tree but rescuers followed him in the water and managed to pull him to shore, and he was taken to hospital.

Armidale and Guyra in New England had unprecedented snowfall and SES crews responded to more than 100 trapped cars.

On Sunday morning, the NSW SES announced they were addressing severe weather conditions and extensive flooding across New South Wales. They reported managing over 1,455 incidents associated with intense rainfall, storms, and snowfall. Source: AAP / NSW State Emergency Services

A new low-pressure system is expected to push up the NSW coast on Sunday, but conditions are likely to ease by afternoon, the Bureau of Meteorology said.

Authorities warn surfers, fishers, swimmers and boating enthusiasts to stay clear of the coast amid dangerous swells.