View the current warnings for South Australia
Forecast issued at 10:00 pm CDT on Wednesday 20 October 2021.
Weather Situation
A trough of low pressure over the western districts will continue to move eastwards over the central districts Wednesday evening, to reach eastern districts early on Thursday. A high pressure ridge will extend across the State following the trough with a high pressure system developing over the western Bight on Saturday, then moving southeastwards on Sunday and Monday.
Forecast for Wednesday until midnight
- Winds
- Northwesterly 15 to 20 knot, tending west to northwesterly 10 to 15 knots late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay.
- Swell
- Southwesterly below 1 metre.
- Weather
- Mostly clear.
Thursday 21 October
- Winds
- Northwesterly 10 to 15 knots becoming variable about 10 knots early in the morning then becoming southwest to southeasterly 10 to 15 knots in the afternoon, and south to southeasterly in the evening.
- Seas
- Around 1 metre.
- Swell
- Westerly around 1 metre, increasing to 1 to 2 metres during the morning, then tending southwesterly 1.5 to 2 metres around midday.
- Weather
- Sunny.
Friday 22 October
- Winds
- Southeasterly 10 to 15 knots turning south to southwesterly during the morning then increasing to 15 to 20 knots during the afternoon.
- Seas
- Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
- Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy.
Saturday 23 October
- Winds
- Southerly 15 to 20 knots turning southeasterly during the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore.
- Swell
- Southwesterly 1.5 to 2 metres, increasing to 2 to 3 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 CDT Thursday.
Product IDS11062