Darwin Harbour Forecast

View the current warnings for the Northern Territory

Forecast issued at 4:45 am CST on Thursday 25 September 2025.

Weather Situation

A ridge over coastal waters will gradually weaken during the next few days.

Forecast for Thursday until midnight

Winds
East to southeasterly below 10 knots tending east to northeasterly 10 to 15 knots in the middle of the day then tending north to northeasterly in the early afternoon.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Mostly sunny.

Friday 26 September

Winds
East to southeasterly below 10 knots tending north to northeasterly 10 to 15 knots in the middle of the day then turning west to northwesterly below 10 knots in the late afternoon.
Seas
Below 1 metre.
Swell
Below 0.5 metres.
Weather
Mostly sunny.

Saturday 27 September

Winds
North to northeasterly about 10 knots becoming west to northwesterly during the afternoon.
Seas
Below 0.5 metres.
Swell
Below 0.5 metres.
Weather
Partly cloudy.

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 4:00 pm CST Thursday.

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