Lower Hunter State Emergency Service crews responded to 81 calls for assistance in the past 24 hours.
After hours duty officer Mandy Bramble said the majority of the calls came from coastal areas around the Central Coast and Port Stephens.
"Most of the calls were for leaking roofs and tree branches," she said.
"There are another 15 jobs we need to get to today."
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An east coast low hit the Hunter coast at 10.30pm on Tuesday.
Nobbys recorded a top wind gust of 93km at 11pm.
More than 12 millimetres of rain fell across the Lower Hunter in a few hours as the storm cell moved across the Hunter Valley.
Nobbys recorded 35 millimetres of rain in the 48 hours to 9am on Wednesday.
Drought-parched Murrurundi received 7.6 millimetres in the same period while Scone received 12.8 millimetres.
The rainfall is expected to ease during Wednesday.
