Banks Strait and Franklin Forecast

View the current warnings for Tasmania

Forecast issued at 4:05 pm EST on Saturday 17 May 2025.

Weather Situation

A southwesterly flow prevails behind a front which crossed the state on Friday night. A high pressure system over the Bight is forecast to move slowly east, building a ridge over the state on Sunday, persisting to the north of Tasmania on Monday. The high centre is expected to move into the Tasman Sea on Tuesday, directing a northwesterly flow over Tasmania, ahead of an approaching trough to the west.

Forecast for Saturday until midnight

Winds
Southerly 10 to 15 knots.
Seas
Around 1 metre.
Swell
Southeast to southwesterly below 1 metre.
Weather
Partly cloudy.

Sunday 18 May

Winds
Southerly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre.
Swell
Southeast to southwesterly below 1 metre, increasing to around 1 metre about Banks Strait.
Weather
Sunny.

Monday 19 May

Winds
Westerly 10 to 15 knots.
Seas
Around 1 metre.
Swell
Southerly below 1 metre.
Weather
Partly cloudy.

Tuesday 20 May

Winds
West to northwesterly below 10 knots tending north to northwesterly 10 to 15 knots during the morning.
Seas
Below 1 metre.
Swell
Southerly 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.

Nearby Coastal Waters

Tas - BANKS STRAIGHT AND FRANKLIN SOUND Tas - CENTRAL NORTH COAST, Stanley to the Northern Tip of Flinders Is Tas - EAST OF FLINDERS ISLAND, Northern Tip of Flinders Is to St Helens Pt Tas - UPPER EAST COAST, St Helens Pt to Wineglass Bay Tas - LOWER EAST COAST, Wineglass Bay to Tasman Island Tas - SOUTHEAST COAST, Tasman Is to South East Cape Tas - SOUTHWEST COAST, South East Cape to Low Rocky Pt Tas - CENTRAL WEST COAST, Low Rocky Pt to Sandy Cape Tas - FAR NORTHWEST COAST, Sandy Cape to Stanley and King Island Vic - East Gippsland Coast - Coastal Waters Forecast Vic - Central Gippsland Coast - Coastal Waters Forecast Vic - Central Coast - Coastal Waters Forecast Vic - West Coast - Coastal Waters Forecast

The next routine forecast will be issued at 5:00 am EST Sunday.

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