Banks Strait and Franklin Forecast

Forecast issued at 4:00 am EST on Sunday 9 August 2026.

Weather Situation

A front, sitting over the Bight, approaches Tasmania from the west. A low is expected to develop on the front and move over southeastern SA during today. The low moves over or near Bass Strait Monday morning, and moves further east to be off the east coast of Tasmania in the evening. A weak ridge is expected to cross over Tuesday before a cold front during Wednesday morning.

Forecast for Sunday until midnight

Winds: Northeasterly 10 to 15 knots turning northerly during the afternoon and evening.
Seas: Around 1 metre.
Swell: Northeasterly around 1 metre.
Weather: Partly cloudy. 90% chance of showers.

Monday 10 August

Winds: North to northeasterly 10 to 15 knots shifting southerly 15 to 20 knots in the morning then tending southwesterly in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres about Banks Strait during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather: Cloudy. Near 100% chance of rain.

Tuesday 11 August

Winds: West to southwesterly 15 to 20 knots tending west to northwesterly 20 to 25 knots during the day.
Seas: 1 to 2 metres.
1st Swell: Northeasterly 1 to 2 metres, tending easterly 1 to 1.5 metres during the morning.
2nd Swell: Northwest to southwesterly below 1 metre, increasing to 1 to 1.5 metres about Banks Strait during the morning.
Weather: Partly cloudy. 70% 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.

Nearby Coastal Waters

See detailed wind and wave forecasts on MetEye
This forecast is also available via scheduled broadcasts on marine radio.
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The next routine forecast will be issued at 10:00 am EST Sunday.