Upper South East Coastal Waters Forecast: Murray Mouth to Cape Jaffa

View the current warnings for South Australia

Forecast issued at 3:40 am CDT on Saturday 14 March 2026.

Weather Situation

A ridge of high pressure extends from a high south of WA, across waters well south of SA. The high slowly moves eastwards to be centred over the Tasman Sea by Saturday afternoon, with further high pressure systems building well south of the Bight. A trough over inland WA is expected to move across western and northern SA on Sunday and into the new week. A cold front clips the southeast early next week.

Forecast for Saturday until midnight

Winds
Easterly 15 to 20 knots becoming variable about 10 knots in the middle of the day then becoming south to southeasterly 15 to 20 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell
South to southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.

Sunday 15 March

Winds
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.

Monday 16 March

Winds
Southeasterly 10 to 15 knots turning southerly below 10 knots during the day.
Seas
Around 1 metre.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 80% chance of showers.

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 Saturday.

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