View the current warnings for South Australia
Forecast issued at 9:30 am CDT on Saturday 17 January 2026.
Weather Situation
A ridge of high pressure lies over waters south of the Bight. The high centre will move eastwards to be south of Tasmania late this evening then over the southern Tasman Sea later over the weekend. On Sunday a trough will begin to move in from the west and will reach central districts in the evening then over the northeast early next week. Another high will develop over waters south of the Bight mid next week and will extend a ridge northwards over western SA.
Forecast for Saturday until midnight
- Winds
- Variable about 10 knots becoming southwesterly 15 to 20 knots in the middle of the day then turning south to southeasterly in the late afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening, then decreasing below 1 metre later in the evening.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Sunny.
Sunday 18 January
- Winds
- Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the middle of the day then turning east to southeasterly below 10 knots in the evening.
- Seas
- Below 1 metre.
- Swell
- Westerly below 0.5 metres.
- Weather
- Mostly sunny.
Monday 19 January
- Winds
- Southeast to southwesterly 10 to 15 knots becoming southwesterly 15 to 25 knots during the morning then tending southerly during the evening.
- Seas
- Below 1 metre, increasing to 1 to 2 metres during the afternoon.
- Swell
- West to southwesterly below 0.5 metres.
- Weather
- Sunny.
Tuesday 20 January
- Winds
- Southerly 15 to 25 knots.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon or evening.
- 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 3:30 pm CDT Saturday.
Product IDS10035
