Derwent Estuary Forecast

View the current warnings for Tasmania

Forecast issued at 4:05 pm EST on Thursday 9 July 2026.

Weather Situation

A high pressure system slowly moves away to the east, extending a ridge over Tasmania. A northwesterly airstream will develop over the state on Friday, as a series of cold fronts slowly approach from the west. The first front is forecast to cross Tasmania late Saturday, with a fresh westerly flow to follow on Sunday, before a second cold front is expected on Monday.

Forecast for Thursday until midnight

Winds
North to northwesterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy.

Friday 10 July

Winds
North to northwesterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Mostly sunny.

Saturday 11 July

Winds
Northerly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas
Below 1 metre.
Weather
Partly cloudy.

Sunday 12 July

Winds
Northerly 10 to 15 knots turning northwesterly during the morning.
Seas
Below 1 metre.
Weather
Partly cloudy. 70% chance of showers.

Monday 13 July

Winds
Northwesterly 15 to 20 knots.
Seas
Below 1 metre.
Weather
Cloudy. 90% chance of showers.

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 10:00 pm EST Thursday.

Product IDT12420