Darwin Harbour Forecast

View the current warnings for the Northern Territory

Forecast issued at 2:32 pm CST on Sunday 28 December 2025.

Weather Situation

A tropical low lies in northwest Queensland near the Northern Territory border and southern Gulf coast, directing fresh monsoonal northwesterlies through Gulf waters. The low will slowly drift southwards over the next couple of days with its subsequent location and strength becoming uncertain late in the week. A trough through the central NT may freshen westerly winds in the western waters later this week.

Forecast for Sunday until midnight

Winds
Westerly 15 to 20 knots.
Seas
Around 1 metre.
Swell
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm early this evening.

Monday 29 December

Winds
Westerly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Partly cloudy.

Tuesday 30 December

Winds
Westerly 10 to 15 knots decreasing to about 10 knots before dawn then increasing to 10 to 15 knots in the morning.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the afternoon and evening.

Wednesday 31 December

Winds
Westerly 10 to 15 knots decreasing to about 10 knots during the morning then increasing to 10 to 15 knots during the day.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the 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.

The next routine forecast will be issued at 8:30 pm CST Sunday.

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