View the current warnings for the Northern Territory
Forecast issued at 2:30 pm CST on Tuesday 18 November 2025.
Weather Situation
A trough extends across the Timor and Arafura Sea from a tropical low north of the Tiwi Islands. The tropical low will move towards the northeast across the Arafura Sea Tuesday evening and Wednesday. On Thursday it is likely to reach tropical cyclone strength and start moving south then southwest, towards the Top End coast.
Forecast for Tuesday until midnight
- Winds
- East to southeasterly 10 to 15 knots, reaching up to 20 knots inshore in the early afternoon. Winds decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- Swell
- Below 0.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm.
Wednesday 19 November
- Winds
- Variable about 10 knots becoming southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the late afternoon.
- Seas
- Below 1 metre.
- Swell
- Below 0.5 metres.
- Weather
- The chance of a thunderstorm northeast of Groote Eylandt in the early morning. Mostly sunny day.
Thursday 20 November
- Winds
- Easterly about 10 knots increasing to 10 to 15 knots in the morning.
- Seas
- Around 1 metre.
- Swell
- Below 0.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm in the late morning and afternoon.
Friday 21 November
- Winds
- East to northeasterly 10 to 15 knots.
- Seas
- Around 1 metre.
- Swell
- East to northeasterly below 1 metre.
- Weather
- Partly cloudy. 60% 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
- 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 pm CST Tuesday.
Product IDD11037