View the current warnings for South Australia
Forecast issued at 9:30 pm CST on Saturday 12 September 2026.
Weather Situation
A trough is approaching from the west and will move across SA on Sunday, as an upper level disturbance moves over the far west later on Sunday. A high pressure ridge will also extend into the state from a high located southwest of WA from late Sunday. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
Forecast for Saturday until midnight
- Winds
- Northerly 10 to 15 knots.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 2 metres.
- Weather
- Mostly clear.
Sunday 13 September
- Winds
- Northerly 15 to 20 knots shifting west to southwesterly before dawn.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre by early evening.
- Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
- Weather
- Partly cloudy. 60% chance of showers in the early morning. The chance of a thunderstorm in the early morning.
Monday 14 September
- Winds
- West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots in the late afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Sunny.
Tuesday 15 September
- Winds
- Southeasterly 15 to 25 knots.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- Swell
- Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Partly cloudy.
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 3:40 am CST Sunday.
Product IDS11062
