Derwent Estuary Forecast

View the current warnings for Tasmania

Forecast issued at 5:00 am EST on Thursday 25 September 2025.

Weather Situation

A high pressure ridge builds over South Australia and New South Wales behind a cold front that crossed the state overnight. A warm front moves over the state early Friday, followed by another cold front expected to cross during Saturday. A ridge builds over the state on Sunday.

Forecast for Thursday until midnight

Winds
West to southwesterly 15 to 20 knots turning north to northwesterly below 10 knots in the evening.
Seas
Below 1 metre.
Weather
Partly cloudy. 50% chance of showers.

Friday 26 September

Winds
Northerly 10 to 15 knots tending northwesterly in the early afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy. 80% chance of showers.

Saturday 27 September

Winds
Northwesterly 15 to 20 knots.
Seas
Below 1 metre.
Weather
Partly cloudy. 50% chance of showers.

Sunday 28 September

Winds
Westerly 15 to 20 knots tending southwesterly 10 to 15 knots during the day then turning west to northwesterly below 10 knots during the evening.
Seas
Below 1 metre.
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 4:05 pm EST Thursday.

Product IDT12420