Spencer Gulf Coastal Waters Forecast

View the current warnings for South Australia

Forecast issued at 3:40 am CST on Saturday 8 August 2026.

Weather Situation

A weak high pressure system centred over NSW and a cold front approaching from the west result in a northerly airstream over SA this morning. The vigorous cold front will move across the west late Saturday then moving across remaining parts of the State on Sunday. A high pressure system moves just to the north on Monday, ahead of another cold front forecast to move across South Australia on Tuesday.

Forecast for Saturday until midnight

Winds
Northeasterly 15 to 20 knots tending northerly in the early morning. Winds reaching up to 25 knots near the Yorke Peninsula coast in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres near the Yorke Peninsula coast during the morning.
Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 90% chance of showers.

Sunday 9 August

Gale Warning for Sunday for Spencer Gulf

Winds
Northerly 15 to 20 knots turning westerly 25 to 30 knots in the middle of the day. Winds reaching up to 35 knots south of Port Neill to Port Victoria in the late afternoon.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo by early evening.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning.

Monday 10 August

Winds
West to southwesterly 20 to 30 knots turning northwesterly 15 to 20 knots during the afternoon.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Swell
South to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 80% 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.

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 9:30 am CST Saturday.

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