A cyclone warning has been issued for parts of the Northern Territory and West Australian coasts as a tropical low deepens over the Timor Sea.
The Bureau of Meteorology issued the warning on Thursday afternoon, saying the low may develop into a tropical cyclone on Friday morning before crossing the coast near the WA-NT border.
It declared a warning zone from Dundee Beach in the NT to Kalumburu in WA including Wadeye, Kununurra and Wyndham, but not including Kalumburu.
The tropical low had sustained winds near its centre of 45km/h with wind gusts to 85km/h.
At 8am Perth time on Thursday it was about 195km west-northwest of Darwin and 255km north of Wadeye, moving south-southeast at 13km/h.
The bureau said gales with gusts to 90km/h may develop overnight between Wyndham and Dundee Beach including Wadeye, and if the system tracks further west then gales may extend to areas west of Wyndham.
"Severe thunderstorms are also possible from this afternoon and during Friday, with heavy rainfall and damaging wind gusts possible," it said.
"Large waves may produce minor flooding in low-lying coastal areas during Friday."
The NT Emergency Service is advising people in Wadeye and surrounding areas to complete cyclone preparations and listen for the next advice.