View the current warnings for the Northern Territory
Forecast issued at 2:30 am CST on Thursday 21 May 2026.
Weather Situation
A ridge of high pressure strengthening over Central Australia is directing moderate to fresh southeasterly winds over coastal waters. Winds will start to decrease in strength from Friday.
Forecast for Thursday until midnight
Strong Wind Warning for Thursday for Roper Groote Coast
- Winds
- Southeasterly 15 to 20 knots, reaching up to 30 knots offshore south of Numbulwar during the morning.
- Seas
- 1.5 to 2 metres.
- Swell
- East to southeasterly below 1 metre.
- Weather
- Partly cloudy.
Friday 22 May
- Winds
- East to southeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Swell
- East to southeasterly around 1 metre.
- Weather
- Partly cloudy.
Saturday 23 May
- Winds
- East to southeasterly 15 to 20 knots.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres east 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
- See detailed wind and wave forecasts on MetEye
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
- Marine Knowledge Centre - explanations and definitions
The next routine forecast will be issued at 8:30 am CST Thursday.
Product IDD11037