View the current warnings for South Australia
Forecast issued at 9:30 am CST on Monday 7 September 2026.
Weather Situation
The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
Forecast for Monday until midnight
- Winds
- South to southeasterly 10 to 15 knots tending east to southeasterly during the afternoon and evening. Winds reaching up to 20 knots through the Backstairs Passage in the late afternoon.
- Seas
- Around 1 metre.
- Swell
- West to southwesterly around 1 metre.
- Weather
- Partly cloudy.
Tuesday 8 September
- Winds
- Variable about 10 knots becoming southerly 15 to 20 knots in the late afternoon.
- Seas
- Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre by early evening.
- Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore around midday.
- Weather
- Becoming cloudy.
Wednesday 9 September
- Winds
- Southerly 15 to 20 knots turning southeasterly 15 to 25 knots during the morning.
- Seas
- 1 to 2 metres.
- Swell
- West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres through the Backstairs Passage during the morning.
- Weather
- 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 3:30 pm CST Monday.
Product IDS11070