Port Arthur Weather Forecast

Gulf St Vincent Coastal Waters

Wind

North to northeasterly 10 to 15 knots, reaching up to 20 knots south of Port Vincent to Brighton early in the morning. Winds shifting southerly in the middle of the day.

Seas

Around 1 metre.

1st Swell

West to southwesterly below 0.5 metres.

Weather

50% chance of showers in the morning. The chance of a thunderstorm in the morning. Mostly sunny afternoon.

Weather Situation

A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts on Sunday morning. The high will move eastwards to be centred southeast of Tasmania later Sunday but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.