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

View the current warnings for the Northern Territory

Forecast issued at 10:00 pm CST on Tuesday 26 January 2021.

Weather Situation

A monsoon trough extends across the Top End and will persist throughout the week, with monsoonal westerly winds continuing across coastal waters. A strengthening tropical low over the southeastern Gulf of Carpentaria will be slow moving for the next few days and has a high chance of developing into a tropical cyclone from Wednesday night. Another tropical low is expected to form near the Joseph Bonaparte Gulf overnight or during Wednesday, then move southwestwards across the northern Kimberley from Thursday.

Forecast for Tuesday until midnight

Strong Wind Warning for Tuesday for Roper Groote Coast

Winds
West to northwesterly about 10 knots, reaching up to 30 knots offshore north of Numbulwar in the late evening.
Seas
Below 1 metre, increasing to 1.5 to 2.5 metres east of Groote Eylandt.
Swell
Northerly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.

Wednesday 27 January

Strong Wind Warning for Wednesday for Roper Groote Coast

Winds
Northwest to southwesterly 15 to 20 knots, reaching up to 30 knots northeast of Groote Eylandt during the day. Winds tending southeast to southwesterly in the early afternoon then tending northwest to southwesterly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres northeast of Groote Eylandt.
Swell
Northerly around 1 metre east of Groote Eylandt.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Thursday 28 January

Winds
Westerly 20 to 30 knots tending west to northwesterly 15 to 25 knots in the late afternoon then increasing to 20 to 30 knots in the late evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres northeast of Groote Eylandt.
Swell
North to northwesterly around 1 metre east of Groote Eylandt, increasing to 1 to 1.5 metres later in the evening.
Weather
Partly cloudy. The chance of a thunderstorm.

Friday 29 January

Winds
Westerly 20 to 30 knots turning northwesterly 15 to 25 knots during the evening.
Seas
2 to 3 metres, decreasing to 1 to 2 metres during the evening.
Swell
North to northwesterly around 1 metre east of Groote Eylandt.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

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 Wednesday.

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