Names of flood fatalities confirmed

Police have released the names of the three people who died in floods in Dungog during the NSW storms.

The NSW premier has called on flood victims to "hang tough" as the superstorm moves south. (AAP)

The names of the three people who died in the floods in Dungog have been confirmed.

Colin Webb, 79, Robin MacDonald, 68 and Brian Wilson, 72, were all believed to have been trapped in their residences after a flash flood swept through the town in the NSW Hunter region on Tuesday morning.

The men were both believed to be living at a retirement village.