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

View the current warnings for South Australia

Forecast issued at 9:30 pm CST on Friday 10 April 2026.

Weather Situation

A high pressure system south of WA extends a ridge over South Australia. A trough will pass over the southeast this evening in the southwesterly flow on the eastern flank of this approaching high. The ridge will persist over SA this weekend as the high moves slowly east to be south of the Bight by Sunday night. The high is forecast to weaken and step back to the west early next week allowing another trough to pass over the southeast Tuesday night.

Forecast for Friday until midnight

Strong Wind Warning for Friday for Lower South East Coast

Winds
West to southwesterly 20 to 30 knots.
Seas
2.5 metres.
Swell
Westerly 4 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm south of Port MacDonnell in the evening. Possible small hail south of Port MacDonnell.

Saturday 11 April

Strong Wind Warning for Saturday for Lower South East Coast

Winds
West to southwesterly 20 to 30 knots.
Seas
2 to 3 metres.
Swell
Southwesterly 4 to 6 metres.
Weather
Cloudy. 90% chance of showers.

Sunday 12 April

Winds
Southwesterly 20 to 30 knots decreasing to 15 to 25 knots in the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Swell
Southwesterly 5 to 6 metres, decreasing to 4 metres later in the evening.
Weather
Cloudy. 60% chance of showers.

Monday 13 April

Winds
Southwesterly 10 to 15 knots turning westerly during the morning.
Seas
Around 1 metre.
Swell
Southwesterly 2.5 to 4 metres.
Weather
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

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 3:40 am CST Saturday.

Product IDS11067