Gulf St Vincent Coastal Waters Forecast

No warnings for South Australia

Forecast issued at 10:13 pm CDT on Thursday 30 October 2025.

Weather Situation

A trough and a weak embedded low pressure system will move east across coastal waters today and early Friday. A weak high pressure system moves into the Bight on Friday. This high will move eastwards, making way for another trough and low moving into western waters late Saturday and over remaining waters on Sunday.

Forecast for Thursday until midnight

Winds
East to southeasterly about 10 knots.
Seas
Below 1 metre.
Swell
South to southwesterly below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm.

Friday 31 October

Winds
East to southeasterly 10 to 15 knots turning south to southwesterly before dawn then tending south to southeasterly in the late evening.
Seas
Below 1 metre.
Swell
South to southwesterly below 0.5 metres.
Weather
The chance of a thunderstorm in the early morning. Mostly sunny day.

Saturday 1 November

Winds
Southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming east to northeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
Swell
South to southwesterly below 0.5 metres.
Weather
Sunny.

Sunday 2 November

Winds
North to northeasterly 15 to 20 knots shifting west to southwesterly during the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton during the afternoon or evening.
Swell
South to southwesterly below 0.5 metres.
Weather
Cloudy. 70% chance of showers. The chance of a thunderstorm in the morning.

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 3:40 am CDT Friday.

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