View the current warnings for South Australia
Forecast issued at 9:30 pm CST on Friday 17 April 2026.
Weather Situation
A high pressure system south of the Bight extends a ridge over SA. The high will slowly move east over the weekend ahead of a cold front which will slip to the south of SA and weaken. The high will remain near stationary in the southern Tasman Sea, maintaining a ridge across the state early next week.
Forecast for Friday until midnight
- Winds
- Easterly 10 to 15 knots, reaching up to 20 knots offshore.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- Swell
- Southwesterly 2 metres.
- Weather
- Clear.
Saturday 18 April
- Winds
- Northeasterly 15 to 20 knots shifting south to southwesterly in the early afternoon.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
- Weather
- Partly cloudy. The chance of a thunderstorm from the late morning.
Sunday 19 April
- Winds
- Southerly 10 to 15 knots turning southeasterly during the morning and early afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- Swell
- Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
- Weather
- The chance of a thunderstorm in the early morning. Mostly sunny day.
Monday 20 April
- Winds
- Easterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- Swell
- Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Sunny.
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 Saturday.
Product IDS11061