Roper Groote Coast Forecast: Cape Arnhem to QLD-NT Border

View the current warnings for the Northern Territory

Forecast issued at 2:30 pm CST on Sunday 7 December 2025.

Weather Situation

A broad trough over central parts of the Territory directs light northerly winds over coastal waters. A ridge over the Gulf of Carpentaria develops from Tuesday.

Forecast for Sunday until midnight

Winds
Northeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm north of Numbulwar.

Monday 8 December

Winds
Northerly 10 to 15 knots becoming variable about 10 knots before dawn then becoming north to northeasterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
Swell
East to northeasterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.

Tuesday 9 December

Winds
Northeasterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Mostly sunny. The chance of a thunderstorm in the late morning and afternoon.

Wednesday 10 December

Winds
East to northeasterly 10 to 15 knots decreasing to about 10 knots during the evening.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Mostly sunny.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

Nearby Coastal Waters

QLD - Torres Strait - Coastal Waters Forecast QLD - North East Gulf of Carpentaria - Coastal Waters Forecast QLD - South East Gulf of Carpentaria - Coastal Waters Forecast WA- North Kimberley - Coastal Waters Forecast Roper Groote Coast Forecast Gove Peninsula Coast Forecast Arafura Coast Forecast Van Diemen Gulf Forecast North Tiwi Coast Forecast Beagle Bonaparte Gulf Forecast

The next routine forecast will be issued at 8:30 pm CST Sunday.

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