Authorities are expecting possible major flooding on the New South Wales north coast with heavy rain predicted for the weekend.
Rain has fallen in the region for the past 24 hours and the Bureau of Meteorology is predicting 200 mm of rain on Sunday.
It has issued a flood watch for moderate to major flooding in the Richmond, Wilson and Brunswick Valleys; moderate flooding in the Tweed; and minor to moderate flood levels in the Clarence and Bellingen Valleys.
The flood watch is a heads-up before a full flood warning.
State Emergency Service operations controller for the Richmond-Tweed, Darren Winkler, says at the moment it is a case of wait and see for crews.
"With that 200 mm there's always that possibility of heavier localised falls," he said.
"We've got a minor flood warning for the Wilsons River in Lismore - another 200 mm of rain on top of what we've already had will definitely cause some minor to moderate flooding I would expect.
"We're preparing for what we call level three flood operations which is the major flood event."
The weather bureau says people living or working along rivers in they area should monitor the latest weather forecasts and warnings.
For the latest warnings visit the bureau's website.
© ABC 2010
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