No warnings for South Australia
Forecast issued at 3:40 am CDT on Tuesday 16 December 2025.
Weather Situation
A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Forecast for Tuesday until midnight
- Winds
- Easterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds becoming variable about 10 knots in the middle of the day then becoming southeasterly 10 to 15 knots in the early afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Southwesterly 1 to 2 metres, decreasing to around 1 metre by early evening.
- 2nd Swell
- Southerly 1 to 1.5 metres, increasing to 1 to 2 metres south of Streaky Bay during the morning.
- Weather
- Sunny.
Wednesday 17 December
- Winds
- East to northeasterly 10 to 15 knots turning south to southeasterly in the early afternoon then tending east to southeasterly in the late evening.
- Seas
- Below 1 metre.
- Swell
- Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Sunny.
Thursday 18 December
- Winds
- Easterly 10 to 15 knots tending north to northeasterly during the morning then tending southerly during the day.
- Seas
- Below 1 metre.
- Swell
- Southwesterly below 1 metre.
- 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 9:30 am CDT Tuesday.
Product IDS11062
