Coastal Waters Forecast 

IDS10035

Australian Government Bureau of Meteorology
South Australia

Local Waters Forecast for Adelaide Metropolitan Waters

Issued at 3:40 am CDT on Tuesday 18 November 2025
for the period until midnight CDT Friday 21 November 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

Weather Situation

A ridge of high pressure lies over the north and west directing a broad southwest to southerly flow across SA waters. Troughs are forecast to pass over the southeast today and Wednesday. The flow will turn south to southeasterly through the week as the ridge moves southeast on Thursday to be south of the state on Friday.

Forecast for Tuesday 18 November until midnight

Winds: Westerly 10 to 15 knots turning southwesterly during the afternoon and evening. Seas: Around 1 metre. Swell: West to southwesterly below 1 metre. Weather: Cloudy.

Forecast for Wednesday 19 November

Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots north of Brighton in the evening. Winds tending southerly in the evening. Seas: Around 1 metre. Swell: West to southwesterly below 0.5 metres. Weather: Partly cloudy.

Forecast for Thursday 20 November

Winds: Southerly 15 to 20 knots tending southeasterly during the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres north of Brighton during the afternoon or evening. Swell: West to southwesterly below 0.5 metres. Weather: Partly cloudy.

Forecast for Friday 21 November

Winds: East to southeasterly 15 to 20 knots tending south to southeasterly 10 to 15 knots during the afternoon then tending east to southeasterly during the evening. Seas: Below 1 metre. Swell: West to southwesterly below 0.5 metres. Weather: Partly cloudy.

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