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

View the current warnings for the Northern Territory

Forecast issued at 4:00 pm CST on Friday 20 June 2025.

Weather Situation

A ridge will persist across coastal waters from a high in the Tasman Sea today.

Forecast for Friday until midnight

Winds
Southeasterly 10 to 15 knots, reaching up to 20 knots northeast of Groote Eylandt.
Seas
Around 1 metre, increasing to 1.5 metres northeast of Groote Eylandt.
Swell
Northeast to southeasterly around 1 metre north of Numbulwar.
Weather
Mostly clear.

Saturday 21 June

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell
Northeast to southeasterly around 1 metre.
Weather
Mostly sunny.

Sunday 22 June

Winds
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres east of Groote Eylandt.
Swell
East to northeasterly around 1 metre.
Weather
Mostly sunny.

Monday 23 June

Winds
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres northeast of Groote Eylandt.
Swell
East to northeasterly below 1 metre.
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 4:45 am CST Saturday.

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