Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDS10035

Australian Government Bureau of Meteorology
South Australia

Local Waters Forecast for Adelaide Metropolitan Waters

Issued at 3:40 am CST on Tuesday 25 August 2026
for the period until midnight CST Friday 28 August 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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A low pressure system and associated trough continue moving over southern SA today and will move into the eastern states this evening. A high pressure system will move in from the west to be over SA on Wednesday. Another trough approaches the southwest during Thursday evening, and may linger about the western parts of SA before another high moves across the south over the weekend.

Forecast for Tuesday 25 August until midnight

Strong Wind Warning for Tuesday for Adelaide Metropolitan Waters

Winds: South to southwesterly 15 to 25 knots, reaching up to 30 knots north of Brighton during the morning. Winds decreasing to 10 to 15 knots in the evening. Seas: 1.5 to 2.5 metres, decreasing to 1 metre later in the evening. Swell: West to southwesterly below 0.5 metres. Weather: Partly cloudy. 95% chance of rain.

Forecast for Wednesday 26 August

Winds: Variable below 10 knots. Seas: Below 1 metre. Swell: West to southwesterly below 0.5 metres. Weather: Partly cloudy.

Forecast for Thursday 27 August

Winds: East to northeasterly below 10 knots tending north to northeasterly 10 to 15 knots during the morning then decreasing to about 10 knots during the day. Seas: Below 1 metre. Swell: West to southwesterly below 1 metre. Weather: Sunny.

Forecast for Friday 28 August

Winds: North to northeasterly below 10 knots becoming west to northwesterly during the day then becoming east to southeasterly during the afternoon. Seas: Below 0.5 metres. Swell: West to southwesterly below 1 metre. Weather: Partly cloudy.

The next routine forecast will be issued at 9:30 am CST Tuesday.

* 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.