Derwent Estuary Forecast

View the current warnings for Tasmania

Forecast issued at 4:05 pm EST on Saturday 18 September 2021.

Weather Situation

A west to northwesterly stream will strengthen further on Sunday ahead of a cold front to cross Tasmania during the afternoon. Winds will remain strong and gusty overnight ahead of another front to cross early Monday, bearing a colder west to southwesterly stream. A trough is expected to move over the state during Tuesday, as fresh and gusty southwesterly winds tend more westerly, while a high drifts over the Bight. On Wednesday the high will slowly move over S.A, while a westerly flow is maintained over Tasmania.

Forecast for Saturday until midnight

Winds
West to northwesterly 15 to 25 knots tending northwesterly in the evening.
Seas
Below 1 metre.
Weather
Partly cloudy.

Sunday 19 September

Strong Wind Warning for Sunday for Derwent Estuary

Winds
North to northwesterly 15 to 25 knots becoming northwesterly 20 to 30 knots in the morning then decreasing to 20 to 25 knots in the late evening.
Seas
Around 1 metre.
Weather
Cloudy. 80% chance of rain.

Monday 20 September

Winds
West to northwesterly 15 to 20 knots increasing to 30 knots before turning southwesterly 15 to 25 knots in the early afternoon.
Seas
Around 1 metre.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm in the late morning and afternoon. Possible hail in the late afternoon and evening.

Tuesday 21 September

Winds
Southwesterly 20 to 30 knots decreasing to 15 to 20 knots during the morning then turning west to northwesterly below 10 knots during the afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Weather
Cloudy.

Wednesday 22 September

Winds
West to northwesterly 10 to 15 knots.
Seas
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 5:00 am EST Sunday.

Product IDT12420