View the current warnings for South Australia
Forecast issued at 3:30 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
- South to southeasterly 10 to 15 knots becoming variable about 10 knots in the late evening.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 3 to 4 metres, decreasing to 3 metres later in the evening.
- Weather
- Partly cloudy.
Saturday 18 April
- Winds
- Variable about 10 knots becoming northeasterly 10 to 15 knots in the early morning. Winds reaching up to 20 knots offshore in the late evening.
- Seas
- Below 1 metre, increasing to around 1 metre offshore.
- Swell
- Southwesterly 2.5 to 3 metres, tending southerly 2 to 2.5 metres during the afternoon.
- Weather
- Partly cloudy.
Sunday 19 April
- Winds
- Northerly 15 to 20 knots shifting south to southwesterly 10 to 15 knots during the afternoon and evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre by early evening.
- Swell
- Southerly 1.5 to 2 metres.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the morning.
Monday 20 April
- Winds
- Southerly 10 to 15 knots turning east to southeasterly below 10 knots during the afternoon.
- Seas
- Below 1 metre.
- Swell
- Southerly 1.5 to 2 metres, tending southwesterly 2 metres 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 9:30 pm CST Friday.
Product IDS11067