IDS11072
Australian Government Bureau of Meteorology
South Australia
Issued at 3:40 am CST on Tuesday 25 August 2026
for the period until midnight CST Thursday 27 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.
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.
Winds: South to southwesterly 15 to 20 knots becoming variable about 10 knots in the early afternoon then becoming northeasterly 10 to 15 knots in the late evening. Seas: 1 to 2 metres, decreasing below 1 metre around midday. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: North to northeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Sunny morning. The chance of a thunderstorm in the afternoon and evening.
Winds: South to southwesterly 15 to 25 knots tending south to southeasterly below 10 knots in the late morning and afternoon. Seas: 1.5 to 2 metres, decreasing below 1.5 metres around midday, then decreasing below 1 metre during the afternoon. Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning. Weather: Partly cloudy.
Winds: North to northeasterly about 10 knots increasing to 10 to 15 knots in the morning then tending east to northeasterly in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Sunny.
Winds: Southerly 15 to 25 knots tending south to southwesterly 10 to 15 knots in the middle of the day then decreasing to below 10 knots in the evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 50% chance of showers early this morning.
Winds: Variable below 10 knots becoming northerly 10 to 15 knots in the morning then becoming variable about 10 knots in the late afternoon. Seas: Below 1 metre. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Sunny.
Winds: South to southwesterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds tending west to southwesterly below 10 knots during the afternoon and evening. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon, then decreasing to 1 metre by early evening. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 50% chance of showers this morning.
Winds: Variable below 10 knots becoming northwesterly 10 to 15 knots in the morning then tending northwest to northeasterly in the middle of the day. Seas: Below 1 metre. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy.
Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres in the west during the morning. Swell: Southwesterly 2.5 to 3 metres. Weather: Mostly sunny.
Winds: Southerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southwesterly 15 to 20 knots in the late morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 95% chance of showers inshore, 50% chance elsewhere.
Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots before dawn then becoming north to northwesterly 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy.
Winds: Northerly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Kangaroo Island. Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres during the afternoon. Weather: Mostly sunny.
Winds: South to southeasterly 15 to 20 knots tending south to southwesterly 15 to 25 knots during the morning. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy. 90% chance of rain.
Winds: Southwesterly 10 to 15 knots becoming variable below 10 knots in the early morning. Seas: Around 1 metre, decreasing below 0.5 metres during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Cloudy.
Winds: Northerly 10 to 15 knots decreasing to about 10 knots during the evening. Seas: Below 1 metre. Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning. Weather: Partly cloudy.
Winds: South to southeasterly 10 to 15 knots tending south to southwesterly 15 to 20 knots early in the morning. Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 50% chance of showers.
Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots in the morning. Seas: Around 1 metre, decreasing below 0.5 metres around midday. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy.
Winds: North to northwesterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port MacDonnell during the afternoon. Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres during the afternoon or evening. Weather: Partly cloudy.
Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to about 10 knots in the late evening. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening. Swell: South to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy. 70% chance of showers.
Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots in the late evening. Seas: Below 1 metre. Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo. Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots. Seas: Around 1 metre. Swell: South to southwesterly around 1 metre. Weather: Sunny.
Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots 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.
Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Southeast to southwesterly below 0.5 metres. Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots decreasing to about 10 knots during the day. Seas: Below 1 metre. Swell: South to southwesterly below 1 metre. Weather: Sunny.
Winds: Southerly 20 to 25 knots turning southwesterly 10 to 15 knots during the day. Winds reaching up to 30 knots early in the morning. Seas: 1 to 2 metres, decreasing to 1 metre by early evening. Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore during the afternoon. Weather: Partly cloudy. 70% chance of showers.
Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday. Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots decreasing to about 10 knots during the afternoon. Seas: Below 1 metre. Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning. Weather: Mostly sunny.
The next routine forecast will be issued at 9:30 am CST Tuesday.
* Calls to 1300 numbers cost around 27.5c incl. 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 Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.