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

No warnings for South Australia

Forecast issued at 3:40 am CDT on Sunday 7 December 2025.

Weather Situation

A high pressure system is building west of the Bight. The high will move slowly eastwards today and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.

Forecast for Sunday until midnight

Winds
Southerly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas
Around 1 metre, decreasing below 0.5 metres during the morning.
Swell
West to southwesterly below 1 metre.
Weather
Partly cloudy.

Monday 8 December

Winds
Variable about 10 knots.
Seas
Below 1 metre.
Swell
West to southwesterly below 1 metre.
Weather
Sunny.

Tuesday 9 December

Winds
South to southeasterly about 10 knots increasing to 15 to 20 knots during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.

Wednesday 10 December

Winds
Southeasterly 15 to 20 knots.
Seas
Around 1 metre.
Swell
West to southwesterly below 0.5 metres.
Weather
Partly 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.

The next routine forecast will be issued at 9:30 am CDT Sunday.

Product IDS10035