Whyalla Weather Forecast

Spencer Gulf Coastal Waters

Wind

South to southwesterly 15 to 20 knots tending south to southeasterly in the evening.

Seas

Around 1 metre, increasing to 1 to 1.5 metres by early evening.

1st Swell

South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.

Weather

Clear.

Weather Situation

A ridge of high pressure across the south of SA will weaken during Saturday as the high pressure centre moves into the Tasman Sea. A broad trough of low pressure lies over the north and will move south on Friday and Saturday. The trough will move eastwards during Sunday as a cold front moves across the south. A broad area of low pressure will persist across the north early next week as a new high pressure ridge becomes established over waters to the south.