View the current warnings for South Australia
Forecast issued at 9:30 pm CST on Monday 18 May 2026.
Weather Situation
A ridge of high pressure lies across SA. A cold front will clip the southeast on Tuesday morning, followed by a high pressure system which becomes dominant. The high is expected to move into the Tasman Sea by Friday as a cold front moves across the Bight.
Forecast for Monday until midnight
- Winds
- Westerly 10 to 15 knots.
- Seas
- Below 1 metre.
- Swell
- South to southwesterly around 1 metre.
- Weather
- Partly cloudy.
Tuesday 19 May
- Winds
- Westerly 15 to 20 knots turning southwesterly during the morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning.
- Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria during the morning.
- Weather
- Partly cloudy. 60% chance of showers.
Wednesday 20 May
- Winds
- West to southwesterly 10 to 15 knots becoming variable about 10 knots in the evening.
- Seas
- Around 1 metre.
- Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Partly cloudy.
Thursday 21 May
- Winds
- Variable about 10 knots becoming east to northeasterly 10 to 15 knots during the evening.
- Seas
- Below 1 metre.
- Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- 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 3:40 am CST Tuesday.
Product IDS11068