Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDD11030

Australian Government Bureau of Meteorology
Northern Territory

Coastal Waters Forecast for the Northern Territory

Issued at 4:00 pm CST on Friday 23 February 2024
for the period until midnight CST Monday 26 February 2024.

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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A trough will develop and move north across the Top End and Gulf of Carpentaria over the weekend and will be located across the north coast from Sunday. Monsoonal northwesterly winds will develop across the Arafura Sea from Sunday.

Beagle Bonaparte Coast: WA-NT Border to Cape Fourcroy

Forecast for Friday 23 February until midnight

Winds: Westerly 10 to 15 knots, reaching up to 20 knots offshore south of Channel Point in the late evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Mostly clear. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Westerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: Westerly 10 to 15 knots becoming variable about 10 knots in the morning. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: Variable about 10 knots. Seas: Below 0.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

North Tiwi Coast: Cape Fourcroy to Cape Don

Forecast for Friday 23 February until midnight

Winds: West to southwesterly about 10 knots. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Mostly clear. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly about 10 knots increasing to 10 to 15 knots before dawn. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Westerly around 1 metre offshore. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: West to northwesterly 10 to 15 knots decreasing to about 10 knots during the morning then increasing to 10 to 15 knots during the afternoon. Seas: Below 1 metre. Swell: Westerly below 1 metre inshore, increasing to around 1 metre offshore. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Van Diemen Gulf

Forecast for Friday 23 February until midnight

Winds: Westerly 10 to 15 knots. Seas: Around 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: West to northwesterly 10 to 15 knots tending north to northwesterly below 10 knots in the evening. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Arafura Coast: Cape Don to Cape Wessel

Forecast for Friday 23 February until midnight

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly 10 to 15 knots. Seas: Around 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: Westerly 10 to 15 knots turning northwesterly during the morning. Seas: Below 1 metre. Swell: West to northwesterly below 1 metre. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: Northwesterly 10 to 15 knots. Seas: Around 1 metre. Swell: Northwesterly around 1 metre. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

Gove Peninsula Coast: Cape Wessel to Cape Arnhem

Forecast for Friday 23 February until midnight

Winds: Westerly 10 to 15 knots decreasing to about 10 knots in the evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm south of Cape Wessel.

Forecast for Sunday 25 February

Winds: Northwesterly 10 to 15 knots. Seas: Below 1 metre. Swell: West to northwesterly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: Northwesterly about 10 knots increasing to 10 to 15 knots during the morning. Seas: Below 1 metre. Swell: Northwesterly below 1 metre. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Roper Groote Coast: Cape Arnhem to QLD-NT Border

Forecast for Friday 23 February until midnight

Winds: Variable about 10 knots. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: Variable about 10 knots becoming northwest to northeasterly 10 to 15 knots during the afternoon then becoming variable about 10 knots during the evening. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.

Darwin Harbour

Forecast for Friday 23 February until midnight

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. The chance of a thunderstorm.

Forecast for Saturday 24 February

Winds: Westerly 10 to 15 knots decreasing to about 10 knots in the morning then increasing to 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Sunday 25 February

Winds: West to northwesterly about 10 knots. Seas: Below 1 metre. Swell: Below 0.5 metres. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.

Forecast for Monday 26 February

Winds: East to southeasterly below 10 knots becoming northwesterly in the afternoon. Seas: Below 0.5 metres. Swell: Below 0.5 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.

The next routine forecast will be issued at 4:45 am CST Saturday.

* 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.