Until the outcome of the 2025 federal election, the Australian Government is operating under caretaker conventions

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

View the current warnings for South Australia

Forecast issued at 3:50 pm CST on Sunday 27 April 2025.

Weather Situation

A high pressure system west of Perth extends a ridge of high pressure over waters south of the Bight. A cold front will pass over the south early in the week on the eastern flank of the ridge. The high in the west will move to a position south of the Bight by mid-week maintaining a broad south to southeasterly flow across the state, then continue east to be over the Tasman Sea by the end of the week.

Forecast for Sunday until midnight

Winds
Southerly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Below 1 metre.
Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy.

Monday 28 April

Winds
South to southwesterly about 10 knots.
Seas
Below 1 metre.
Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 50% chance of showers.

Tuesday 29 April

Winds
Southerly 10 to 15 knots turning southeasterly 15 to 20 knots during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell
Southwesterly 2 metres, tending southerly 2 metres by early evening.
Weather
Partly cloudy. 60% chance of showers.

Wednesday 30 April

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
Swell
Southerly 2 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 5:10 am CST Monday.

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