There's a good chance a cyclone will develop in the Coral Sea this week.
The Bureau of Meteorology is monitoring a low-pressure system inside a monsoon which extends from Papua New Guinea to the Solomon Islands, about 1000 kilometres northeast of Cairns.
Senior forecaster Michelle Berry says there is a more than 50 per cent chance the low-pressure system will develop into a cyclone on Wednesday.
"The system is very disorganised but there is a possibility of it moving westward to the Queensland coast," she told AAP.
"It's a good time for people to revisit their cyclone preparedness and have their cyclone kit ready."
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If a cyclone forms and moves towards Queensland, it would be the first of the season for the north.
