Tumby Bay Weather Forecast

Spencer Gulf Coastal Waters

Wind

Southwesterly 15 to 20 knots turning southerly during the morning and early afternoon.

Seas

1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.

1st Swell

South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.

Weather

Partly cloudy. The chance of a thunderstorm, with possible squalls north of Cowell to Wallaroo during this afternoon and evening.

Weather Situation

A trough of low pressure over southeastern South Australia lingers in the east, before weakening from Thursday. A slow moving high pressure system in the Tasman Sea re-establishes a ridge across southern parts from Wednesday. Another series of troughs move into western parts on Thursday and broadly across SA on Friday.