Adelaide Metropolitan Waters Forecast: St Kilda to Sellicks Beach, within 3.5 nm of the coast

No warnings for South Australia

Forecast issued at 3:30 pm CST on Saturday 29 August 2026.

Weather Situation

A high pressure system south of SA continues extending a ridge across the state, as it moves slowly east over the weekend, to be centred over Victoria by Monday. A cold front is then forecast to move across the state on Tuesday, as another ridge and high quickly push in behind the front on Wednesday.

Forecast for Saturday until midnight

Winds
South to southwesterly below 10 knots becoming east to southeasterly in the evening.
Seas
Below 0.5 metres.
Swell
West to southwesterly below 0.5 metres.
Weather
Clear.

Sunday 30 August

Winds
Variable below 10 knots.
Seas
Below 0.5 metres.
Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.

Monday 31 August

Winds
Variable about 10 knots.
Seas
Below 0.5 metres.
Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.

Tuesday 1 September

Winds
Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots during the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Noarlunga during the morning.
Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers.

Wednesday 2 September

Winds
Southwesterly 10 to 15 knots turning westerly during the morning.
Seas
Around 1 metre.
Swell
West to southwesterly below 1 metre.
Weather
Cloudy. 50% 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.

The next routine forecast will be issued at 9:30 pm CST Saturday.

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