View the current warnings for South Australia
Forecast issued at 3:50 pm CST on Wednesday 23 April 2025.
Weather Situation
A high pressure system lies east of Tasmania and maintains a ridge over South Australia. A low pressure system moving east across the Bight will weaken as it moves over land on Friday. A new ridge of high pressure will begin to build over the Bight from Saturday.
Forecast for Wednesday until midnight
- Winds
- South to southeasterly about 10 knots becoming easterly in the late evening.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Clear.
Thursday 24 April
- Winds
- Variable below 10 knots.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
Friday 25 April
- Winds
- East to northeasterly below 10 knots becoming southwesterly in the middle of the day then tending south to southeasterly 10 to 15 knots in the early afternoon.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Cloudy.
Saturday 26 April
- Winds
- Southerly 15 to 20 knots decreasing to about 10 knots during the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Grange during the afternoon or evening.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
Sunday 27 April
- Winds
- South to southwesterly 10 to 15 knots tending south to southeasterly below 10 knots during the afternoon.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- 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.
- 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 5:10 am CST Thursday.
Product IDS10035