View the current warnings for South Australia
Forecast issued at 3:40 am CST on Monday 17 August 2026.
Weather Situation
A high pressure system southeast of the state slowly drifts further to the southeast over Tasmania today and is forecast to be located in the Tasman Sea this afternoon, while extending a ridge over much of South Australia through to Tuesday. A trough of low pressure moves into far southwestern parts later on Tuesday and moves southeast across the state into Wednesday.
Forecast for Monday until midnight
- Winds
- East to southeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the morning.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. 80% chance of showers.
Tuesday 18 August
- Winds
- Northeasterly 10 to 15 knots turning northerly in the late morning and afternoon. Winds reaching up to 20 knots south of Port Vincent to Brighton in the late evening.
- Seas
- Around 1 metre.
- Swell
- South to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. 80% chance of showers.
Wednesday 19 August
- Winds
- North to northwesterly 15 to 20 knots tending west to northwesterly below 10 knots during the morning.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- Swell
- South to southwesterly below 0.5 metres.
- 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.
- Latest Coastal Observations
- Tide Predictions
- Marine Knowledge Centre - explanations and definitions
The next routine forecast will be issued at 9:30 am CST Monday.
Product IDS11069