GRAFTON has been hit by a major flood, while a new warning has been issued for Murwillumbah and Chinderah as the Tweed starts rising again.
The Bureau of Meteorology upgraded its flood warning for the Clarence and Orara rivers to "moderate to major", after the Clarence River reached the "major" flood level of 5.53 metres at 9am.
However, the Bureau notes rain in the Clarence valley has eased since this morning, leaving river levels falling or steady in most locations.
To the north, the Tweed River is rising after 100mm of rain fell in the river's catchment this morning.
The rain has triggered a new minor flood warning from the Bureau of Meteorology, with Murwillumbah and Chinderah expected to take the brunt of the rising water.
The river at Chinderah was expected to peak about 1.3m around noon, coinciding with the high tide.
Murwillumbah's turn was expected around 3pm, with the river expected to reach 3m.
The State Emergency Service said the rising water would leave Fingal Head isolated if the Fingal Road was cut around Wommin Lake Crescent.
A minor flood warning remains in place for the Richmond River, with peaks expected at Bungawalbyn at 1pm (4.5m) and at Woodburn at 3pm (3.3m) and which peaked at Coraki at 4.30am (4.62m).
Elsewhere the river is falling or steady.
There is no longer a flood warning for the Brunswick River.