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 knots, reaching 20 to 25 knots offshore till mid evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- Swell
- Southwesterly below 1 metre.
- Weather
- Partly cloudy.
Thursday 21 October
- Winds
- West to northwesterly 15 to 20 knots, easing to 10 to 15 knots early morning, becoming variable about 10 knots late afternoon, then southeasterly 10 to 15 knots in the late evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- Swell
- Westerly 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
- Weather
- Mostly sunny.
Friday 22 October
- Winds
- Variable below 10 knots becoming southwesterly 10 to 15 knots in the morning.
- Seas
- Around 1 metre.
- Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy. 50% chance of showers.
Saturday 23 October
- Winds
- South to southwesterly 10 to 15 knots tending south to southeasterly 15 to 20 knots during the day.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon or evening.
- Swell
- Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon or evening.
- 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 IDS11063