Investigator Strait Coastal Waters Forecast

View the current warnings for South Australia

Forecast issued at 3:30 pm CST on Wednesday 3 June 2026.

Weather Situation

A significant low pressure system west of TAS continues to move east whilst a second weak low pressure system moves over waters to the south today extending a cold front over coastal parts later today and into Thursday. A high pressure system over WA extends a ridge over western and northern parts on Thursday, before it moves into western SA on Friday, as a cold front embedded in a southwesterly flow clips the south. The high pressure system continues to move slowly eastwards over the weekend, reaching the Tasman Sea late Sunday evening.

Forecast for Wednesday until midnight

Winds
Southwesterly 10 to 15 knots.
Seas
Below 1 metre.
Swell
Westerly around 1 metre.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm inshore later this evening.

Thursday 4 June

Winds
Southwesterly 15 to 20 knots, reaching up to 25 knots inshore during the morning.
Seas
Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell
Westerly 1 to 1.5 metres.
Weather
Partly cloudy. 80% chance of showers.

Friday 5 June

Winds
Southwesterly 10 to 15 knots turning westerly in the late morning.
Seas
Around 1 metre.
Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. 60% chance of showers.

Saturday 6 June

Winds
Westerly 10 to 15 knots turning northwesterly below 10 knots during the day.
Seas
Below 1 metre.
Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 50% 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 pm CST Wednesday.

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