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

View the current warnings for South Australia

Forecast issued at 3:33 pm CDT on Wednesday 31 December 2025.

Weather Situation

A ridge of high pressure sits to the south of the Bight, extending a ridge over most of the state while a trough lingers in the far north. These features will remain relatively unchanged until Saturday, when a new high pressure system moves through the Bight and over the southeast by Sunday.

Forecast for Wednesday until midnight

Winds
Southeasterly 15 to 20 knots, reaching up to 25 knots north of Beachport during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres inshore.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.

Thursday 1 January

Strong Wind Warning for Thursday for Lower South East Coast

Winds
Southeasterly 15 to 20 knots, reaching up to 30 knots north of Port MacDonnell during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Swell
Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening.
Weather
Cloudy.

Friday 2 January

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres north of Port MacDonnell.
Swell
Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Partly cloudy.

Saturday 3 January

Winds
Southeasterly 15 to 20 knots tending southerly during the morning.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Beachport during the evening.
Swell
Southwesterly 2 to 2.5 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 9:30 pm CDT Wednesday.

Product IDS11067