IDD11030
Australian Government Bureau of Meteorology
Northern Territory
Issued at 8:50 pm CST on Thursday 19 March 2026
for the period until midnight CST Sunday 22 March 2026.
Please be aware
Wind 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.
A broad area of low pressure over the Top End is directing light northwest to northeast winds over coastal waters. Winds will strengthen and turn westerly over northern and eastern waters from Friday as Severe Tropical Cyclone Narelle moves into the Gulf of Carpentaria.
Winds: North to northeasterly about 10 knots. Seas: Below 0.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Variable about 10 knots. Seas: Below 0.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Variable about 10 knots becoming southerly 10 to 15 knots in the morning then becoming variable about 10 knots in the middle of the day. Seas: Below 1 metre. Swell: North to northwesterly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Southwesterly 15 to 20 knots turning westerly 15 to 25 knots during the afternoon. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Below 0.5 metres. Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.
Winds: North to northwesterly below 10 knots. Seas: Below 0.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: West to northwesterly about 10 knots. Seas: Below 1 metre. Swell: West to northwesterly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Northwesterly below 1 metre. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Westerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: North to northwesterly around 1 metre. Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm in the morning.
Winds: North to northwesterly below 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Southwesterly about 10 knots increasing to 10 to 15 knots in the morning then tending westerly in the early afternoon. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Westerly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning. Swell: Below 0.5 metres. Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.
Winds: West to northwesterly below 10 knots. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Westerly 10 to 15 knots, reaching up to 20 knots offshore east of Maningrida in the late evening. Seas: Around 1 metre. Swell: West to northwesterly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Westerly 15 to 25 knots increasing to 20 to 30 knots in the late evening. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres by early evening. Swell: Northwesterly below 1 metre, increasing to 1 to 1.5 metres in the far north by early evening. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Westerly 20 to 30 knots turning northwesterly 20 to 25 knots during the morning. Seas: 1.5 to 2.5 metres. Swell: Northwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning. Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm in the morning and afternoon. Heavy falls possible.
At 6:30 pm CST Severe Tropical Cyclone Narelle was located about 120 nautical miles north northeast of Cooktown and 165 nautical miles east of Coen. Centre located near 13.6S 146.0E. Recent movement has been towards the west at 10 knots.
Winds: West to southwesterly 10 to 15 knots. Seas: Below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Westerly 15 to 20 knots increasing to 15 to 25 knots in the late evening. Winds above 34 knots possible depending on movement and development of Severe Tropical Cyclone Narelle. Waves: Seas and swell exceeding 4m. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore south of Cape Wessel in the late afternoon and evening.
Winds: Westerly 20 to 30 knots turning northwesterly in the late morning and early afternoon. Seas: 1 to 2 metres, increasing to 2 to 3 metres offshore south of Cape Wessel. 1st Swell: Westerly below 1 metre, tending northwesterly 1 to 1.5 metres around midday. 2nd Swell: Southerly around 1 metre. Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm from the late morning.
Winds: Northwesterly 20 to 30 knots decreasing to 15 to 20 knots during the afternoon. Seas: 1.5 to 2.5 metres. Swell: Northwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning. Heavy falls possible.
Winds: Variable below 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm inshore.
Winds: Southwesterly about 10 knots increasing to 10 to 15 knots before dawn. Winds reaching up to 25 knots east of Groote Eylandt in the late evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres east of Groote Eylandt around midday. Swell: Below 0.5 metres. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Winds: Above 64 knots possible depending on movement and development of Severe Tropical Cyclone Narelle. Waves: Seas and swell exceeding 8m. Weather: Cloudy. 95% chance of rain. The chance of a thunderstorm.
Winds: Above 48 knots possible depending on movement and development of Severe Tropical Cyclone Narelle. Waves: Seas and swell exceeding 6m. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm. Heavy falls possible.
Winds: Variable below 10 knots. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Variable below 10 knots. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Variable about 10 knots. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Southwesterly 15 to 20 knots tending westerly during the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening. Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm in the evening.
The next routine forecast will be issued at 2:30 am CST Friday.
* Calls to 1300 number cost around 27.5c inc. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine
Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.