No warnings for South Australia
Forecast issued at 3:30 pm CST on Monday 20 July 2026.
Weather Situation
A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a weak cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight Thursday and Friday.
Forecast for Monday until midnight
- Winds
- Northerly about 10 knots.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Cloudy.
Tuesday 21 July
- Winds
- Northerly 10 to 15 knots turning west to northwesterly during the afternoon and evening.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
- Weather
- Cloudy. 60% chance of showers.
Wednesday 22 July
- Winds
- Westerly 15 to 20 knots turning southwesterly during the morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres around midday.
- Weather
- Partly cloudy. 90% chance of showers.
Thursday 23 July
- Winds
- Southwesterly 10 to 15 knots.
- Seas
- Around 1 metre.
- Swell
- West to southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy. 50% 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 pm CST Monday.
Product IDS11070