View the current warnings for South Australia
Forecast issued at 5:43 pm CST on Wednesday 29 April 2026.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a front that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend. The low pressure system associated with this front is expected to cross south SA and bring a following trough across southern coasts late Sunday.
Forecast for Wednesday until midnight
- Winds
- West to northwesterly below 10 knots becoming east to northeasterly in the late afternoon.
- Seas
- Below 0.5 metres.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly clear.
Thursday 30 April
- Winds
- North to northeasterly 10 to 15 knots tending north to northwesterly in the middle of the day then turning northeasterly in the late afternoon.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
Friday 1 May
- Winds
- North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots in the early afternoon then tending north to northeasterly 15 to 20 knots in the late afternoon.
- Seas
- Around 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
Saturday 2 May
- Winds
- Northeasterly 15 to 20 knots turning northwesterly 15 to 25 knots during the day.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
Sunday 3 May
- Winds
- Northwesterly 15 to 20 knots.
- Seas
- 1.5 metres.
- Swell
- West to southwesterly below 1 metre.
- Weather
- Cloudy. 90% 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.
- 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 Wednesday.
Product IDS10035