View the current warnings for South Australia
Forecast issued at 3:40 am CST on Tuesday 19 May 2026.
Weather Situation
A ridge of high pressure lies across SA. A cold front clipped the southeast this 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 Tuesday until midnight
- Winds
- Westerly 10 to 15 knots turning southwesterly in the early morning.
- Seas
- Around 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. 80% chance of showers.
Wednesday 20 May
- Winds
- Southwesterly 10 to 15 knots becoming variable below 10 knots in the early afternoon.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy. 70% chance of showers.
Thursday 21 May
- Winds
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Partly cloudy.
Friday 22 May
- Winds
- Northeasterly about 10 knots becoming north to northwesterly during the morning then becoming east to northeasterly during the afternoon.
- Seas
- Below 1 metre.
- Swell
- West to southwesterly below 0.5 metres.
- 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.
- 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 CST Tuesday.
Product IDS10035