View the current warnings for South Australia
Forecast issued at 3:52 pm CST on Saturday 18 September 2021.
Weather Situation
A high pressure system centred over the Tasman Sea will move eastwards over the weekend. A cold front is expected to move over the south of SA later on Sunday followed by a high pressure system moving over the Bight on Tuesday. The high will continue to move eastwards to be centred over the Tasman Sea on Thursday then another cold front will move across from the west on Friday.
Forecast for Saturday until midnight
- Winds
- Variable around 10 knots becoming northeasterly 10 to 15 knots late evening.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 3 to 4 metres.
- Weather
- Clear.
Sunday 19 September
- Winds
- Northeast to northwesterly 10 to 15 knots turning west to northwesterly late morning then turning southwest to southerly 15 to 20 knots during the afternoon, reaching 20 to 25 knots for a period during the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres by early evening.
- Swell
- Southwesterly 2.5 to 4 metres.
- Weather
- Sunny.
Monday 20 September
- Winds
- South to southwesterly 20 to 30 knots becoming southerly 20 to 25 knots before dawn and decreasing to 15 to 20 knots in the afternoon.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
- Swell
- Southwesterly 3 metres, increasing to 3 to 5 metres during the morning.
- Weather
- Cloudy.
Tuesday 21 September
- Winds
- South to southeasterly 15 to 20 knots decreasing to 10 to 15 knots early morning and tending east to southeasterly during the afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- Swell
- Southwesterly 4 to 5 metres, tending southerly 3 to 4 metres during the morning.
- Weather
- Partly 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 5:10 am CST Sunday.
Product IDS11061