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 CDT on Wednesday 8 October 2025
for the period until midnight CDT Saturday 11 October 2025.

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 high pressure ridge lies over the south of SA but will move northwards throughout the day as a cold front moves over the south. The ridge will persist over the north on Thursday and Friday and result in a westerly airstream over the south.

Forecast for Wednesday 8 October until midnight

Winds: Northwesterly 10 to 15 knots tending westerly in the late afternoon. Seas: Around 1 metre. Swell: West to southwesterly below 1 metre. Weather: Partly cloudy.

Forecast for Thursday 9 October

Winds: West to northwesterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: West to southwesterly around 1 metre. Weather: Partly cloudy. 50% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 20 to 25 knots turning westerly 15 to 20 knots during the day. Seas: 1.5 to 2 metres, decreasing to 1 metre during the afternoon or evening. Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Noarlunga. Weather: Partly cloudy. 50% chance of showers.

Forecast for Saturday 11 October

Winds: Westerly 15 to 20 knots decreasing to about 10 knots during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: West to southwesterly around 1 metre. Weather: Partly cloudy.

The next routine forecast will be issued at 9:30 am CDT Wednesday.

* 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.