Lower South East Coastal Waters Forecast: Cape Jaffa to SA-Vic Border

View the current warnings for South Australia

Forecast issued at 3:40 am CST on Saturday 30 May 2026.

Weather Situation

A cold front moves across the south of the state this afternoon. A weak high pressure system moves across from the west on Sunday. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A high pressure system follows the low moving across northern parts of SA mid week.

Forecast for Saturday until midnight

Strong Wind Warning for Saturday for Lower South East Coast

Winds
Westerly 15 to 25 knots, reaching up to 30 knots in the afternoon.
Seas
1.5 metres, increasing to 1.5 to 2.5 metres around midday.
Swell
Westerly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Partly cloudy. 95% chance of showers.

Sunday 31 May

Strong Wind Warning for Sunday for Lower South East Coast

Winds
Southwesterly 15 to 25 knots, reaching up to 30 knots south of Port MacDonnell early in the morning. Winds turning west to northwesterly below 10 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing to 1 metre by early evening.
Swell
Westerly 3 metres, tending southwesterly 3 to 4 metres during the morning.
Weather
Cloudy. 70% chance of showers.

Monday 1 June

Winds
North to northwesterly 10 to 15 knots tending north to northeasterly 20 to 30 knots during the morning then tending north to northwesterly during the afternoon.
Seas
Below 1 metre, increasing to 2 to 3 metres during the morning.
Swell
Southwesterly 3 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon.

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

WA - Eucla Coast - Coastal Waters Forecast Vic - West Coast - Coastal Waters Forecast SA - Lower South East Coast - Coastal Waters Forecast SA - Upper South East Coast - Coastal Waters Forecast SA - Adelaide Metropolitan Waters Forecast SA - Gulf St Vincent - Coastal Waters Forecast SA - Spencer Gulf - Coastal Waters Forecast SA - Investigator Strait - Coastal Waters Forecast SA - South Central Coast - Coastal Waters Forecast SA - Central Coast - Coastal Waters Forecast SA - Lower West Coast - Coastal Waters Forecast SA - Upper West Coast - Coastal Waters Forecast SA - Far West Coast - Coastal Waters Forecast

The next routine forecast will be issued at 9:30 am CST Saturday.

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