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

No warnings for the Northern Territory

Forecast issued at 2:30 am CST on Thursday 16 April 2026.

Weather Situation

A trough is moving west about the Gulf of Carpentaria. The trough will move across the northern Top End on Thursday and Friday, east to southeasterly winds returning to coastal waters in its wake.

Forecast for Thursday until midnight

Winds
Easterly 15 to 20 knots, reaching up to 25 knots northeast of Groote Eylandt during the morning.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore north of Numbulwar during the morning.
Swell
Easterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm.

Friday 17 April

Winds
Easterly 15 to 20 knots.
Seas
1 to 1.5 metres.
Swell
Easterly around 1 metre.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Saturday 18 April

Winds
Easterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell
Easterly around 1 metre.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.

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 am CST Thursday.

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