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

View the current warnings for South Australia

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

Weather Situation

A trough of low pressure approaches from the west late today and is forecast to move over southern SA during Saturday, then lingers through inland SA into Sunday. A high pressure system is expected to move over waters to the south over the weekend, extending a ridge over southern SA on Sunday, before a second trough moves in from the west on Monday.

Forecast for Friday until midnight

Winds
East to northeasterly 10 to 15 knots becoming variable below 10 knots in the middle of the day then becoming easterly 10 to 15 knots in the late evening.
Seas
Below 1 metre.
Swell
West to southwesterly below 0.5 metres.
Weather
Sunny.

Saturday 24 January

Winds
North to northeasterly 15 to 20 knots tending northwest to southwesterly in the middle of the day then tending southeast to southwesterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Grange during the afternoon.
Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.

Sunday 25 January

Winds
Southeasterly 10 to 15 knots tending southeast to southwesterly during the morning then becoming southeasterly about 10 knots during the evening.
Seas
Around 1 metre.
Swell
West to southwesterly below 0.5 metres.
Weather
Mostly sunny.

Monday 26 January

Winds
Variable below 10 knots becoming northeast to southeasterly 10 to 15 knots during the evening.
Seas
Below 1 metre.
Swell
West to southwesterly below 0.5 metres.
Weather
Sunny.

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 am CDT Friday.

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