Around four millimetres of rain fell over Newcastle overnight, apparently sparing the city from the brunt of the deluge on the NSW South Coast over the weekend where residents were ordered to evacuate and more than 200 millimetres fell in some areas.
A low pressure trough anchored around the central part of the NSW coastline looks set to move north on Monday and Tuesday, bringing showers across the Hunter and cooler temperatures in the early part of the week.
Waves up to five metres in the surf zone could lead to significant beach erosion along parts of the Hunter coast as the system moves north, the Bureau of Meteorology has warned.
The system was expected to bring strong to gale-force winds and large waves to the central and southern parts of the coast, with conditions are forecast to extend to the northern coast as the system moves that way.
The Bureau of Meteorology has issued a hazardous surf warning in Newcastle and the Hunter for Monday and Tuesday.
Sheep graziers have been warned that cold temperatures, rain and showers and southeasterly winds are expected during Monday.
Conditions should gradually ease from early Tuesday as a high pressure ridge moves over the state. A front is then expected to enter the state on Wednesday, then slips to the south on Thursday.
Maximums of 16 degrees in Newcastle on Monday, and 15 degrees at Toronto and Wallsend, before forecasts for warmer temperatures around 23 degrees and mostly sunny conditions towards the end of the week.