IDS10035
Australian Government Bureau of Meteorology
South Australia
Issued at 9:30 am CST on Saturday 19 September 2026
for the period until midnight CST Tuesday 22 September 2026.
Please be aware
Wind 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.
A high pressure system centred over NSW extends a ridge over SA ahead of a cold front will approach from the west. The front moves across SA on Sunday. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria on Tuesday.
Winds: Northerly 10 to 15 knots decreasing to below 10 knots in the early afternoon then tending northeasterly 10 to 15 knots in the evening. Seas: Below 1 metre. Swell: West to southwesterly below 0.5 metres. Weather: Sunny.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots south of Port Noarlunga during the morning. Winds shifting west to southwesterly in the middle of the day. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: West to southwesterly below 0.5 metres. Weather: Mostly sunny.
Winds: Southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots during the morning. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: West to southwesterly below 1 metre. Weather: Cloudy.
Winds: East to northeasterly 10 to 15 knots becoming variable about 10 knots during the morning. Seas: Below 1 metre. Swell: West to southwesterly below 0.5 metres. Weather: Sunny.
The next routine forecast will be issued at 3:30 pm CST Saturday.
* Calls to 1300 number cost around 27.5c inc. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine
Check the latest Coastal Waters Forecast or Local Waters Forecast at http://www.bom.gov.au/sa/forecasts/map.shtml for information on wind, wave and weather conditions for these coastal zones.