Spencer Gulf Coastal Waters Forecast

View the current warnings for South Australia

Forecast issued at 3:50 pm CDT on Tuesday 18 March 2025.

Weather Situation

A high pressure system in the Tasman Sea extends a ridge across SA. A cold front moving up from the Southern Ocean and is expected to clip the southeast of the state on Thursday before a weak ridge of high pressure settles over the south later in the week and weekend.

Forecast for Tuesday until midnight

Winds
South to southeasterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Clear.

Wednesday 19 March

Winds
Northeast to southeasterly 10 to 15 knots tending north to northeasterly early in the morning then tending east to northeasterly in the early afternoon.
Seas
Below 1 metre.
Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Sunny.

Thursday 20 March

Winds
North to northeasterly 15 to 20 knots tending north to northwesterly early in the morning then shifting south to southeasterly in the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm.

Friday 21 March

Winds
Southeasterly 15 to 20 knots turning southerly during the morning.
Seas
1 to 1.5 metres.
Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
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.

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 CDT Wednesday.

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