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

No warnings for South Australia

Forecast issued at 3:40 am CDT on Friday 23 October 2026.

Weather Situation

A slow moving high pressure system in the Tasman Sea maintains a ridge across eastern parts of the state. A trough of low pressure over the far west is forecast to slowly move eastwards on Friday. Another trough and multiple cold fronts move over the state over the weekend. A ridge of high pressure moves into the west on Monday.

Forecast for Friday until midnight

Winds
Variable about 10 knots becoming southwesterly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
Swell
Southwesterly 3 metres.
Weather
Partly cloudy.

Saturday 24 October

Winds
Variable about 10 knots becoming southerly 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots inshore during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Beachport by early evening.
Swell
Southwesterly 3 metres.
Weather
Partly cloudy. 95% chance of rain. The chance of a thunderstorm north of Beachport in the late afternoon and evening.

Sunday 25 October

Winds
Southerly 15 to 20 knots turning southwesterly during the afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell
Southwesterly 3 metres.
Weather
Partly cloudy. 80% chance of showers, with possible small hail in the evening.

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 CDT Friday.

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