Northern Territory

Synoptic Situation: A monsoon trough extends across the Top End and will persist throughout the week, with monsoonal westerly winds continuing across coastal waters. A strengthening tropical low over the southeastern Gulf of Carpentaria will be slow moving for the next few days and has a high chance of developing into a tropical cyclone from Wednesday night. Another tropical low is expected to form near the Joseph Bonaparte Gulf overnight or during Wednesday, then move southwestwards across the northern Kimberley from Thursday.
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.
Winds: Westerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell 1: Below 0.5 metres.
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm.
Winds: Westerly 10 to 15 knots turning northwesterly 15 to 20 knots in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
Swell 1: North to northwesterly below 1 metre.
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell 1: Northwest to northeasterly below 1 metre.
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon or evening.
Swell 1: North to northwesterly below 1 metre.
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.

Van Diemen Gulf

Tuesday 26 January

Winds: Westerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell 1: Below 0.5 metres.
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm.

Wednesday 27 January

Winds: Westerly 10 to 15 knots turning northwesterly 15 to 20 knots in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
Swell 1: North to northwesterly below 1 metre.
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm.

Thursday 28 January

Winds: Northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell 1: Northwest to northeasterly below 1 metre.
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.

Friday 29 January

Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon or evening.
Swell 1: North to northwesterly below 1 metre.
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm.