The weather gods aren't done with NSW yet.
More rainfall is expected Thursday as the niggling low pressure system hovering over Northern Rivers communities for the past month refuses to subside.
The Bureau of Meteorology says further river rises in the devastated region are expected after flash flooding hit Byron Bay, Ballina and Lismore on Wednesday.
Up to 120mm of rain is set for Thursday on the mid North Coast.
Nambucca Heads and Coffs Harbour will receive heavy rainfalls and thunderstorms.
As the low moves further away the Northern Rivers, gusty winds that will bring down tress and powerlines will swoop in, expected to hamper the latest cleanup effort.
The bureau has also issued a damaging surf warning for people in parts of Mid North Coast, Hunter, Metropolitan, Illawarra and South Coast Forecast Districts.
"Damaging surf along central and southern NSW coast developing Thursday afternoon. Abnormally high tides possible along parts of the Mid North Coast from Thursday morning," it said.
A severe weather warning was issued for parts of the Mid North Coast, Hunter, Metropolitan, Illawarra and South Coast regions but was cancelled for the Mid North Coast and Hunter region early on Thursday morning.
Sydney has experienced its wettest March since 1942, with multiple flood warnings issued in the west.
More than 520mm of rain has fallen this month, with much more expected.
Evacuation orders affecting some 28,000 remained in place on Thursday morning.
The State Emergency Service performed more than 55 rescues in the 24 hours to Wednesday night.
A search is under way for 55-year-old aged-care nurse Anita Brakel, from Nowra in south Lismore.
She was trapped in her white Holden station wagon in floodwaters from about 10pm on Tuesday.
Police are appealing for any information as to her whereabouts.
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