IDS11072
Australian Government Bureau of Meteorology
South Australia
Issued at 3:30 pm CST on Thursday 9 April 2026
for the period until midnight CST Sunday 12 April 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 trough will move across SA on Thursday followed by a cold front in the south. The trough and front will clear to the east during Friday morning. Another trough will move across waters to the south during Friday then a high pressure system will move across waters south of WA on Saturday to be centred over the Bight on Sunday. This high will move slowly eastwards early next week and a weak cold front will move over southern coastal areas.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy.
Winds: Southerly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 3 metres. Weather: Cloudy.
Winds: South to southeasterly about 10 knots tending east to southeasterly 10 to 15 knots during the afternoon. Seas: Below 1 metre. 1st Swell: Southerly 3 to 4 metres, decreasing to 3 metres during the evening. 2nd Swell: Southerly 2 to 3 metres, tending southwesterly below 1 metre during the morning. Weather: Cloudy.
Winds: Westerly 15 to 20 knots turning southwesterly in the evening. Seas: 1 to 1.5 metres. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay early in the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay. Swell: Southwesterly 3 metres. Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots turning southerly in the late afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Southwesterly 3 metres, increasing to 3 to 4 metres south of Streaky Bay. Weather: Cloudy.
Winds: Southerly 10 to 15 knots becoming southeasterly below 10 knots during the evening. Seas: Below 1 metre. 1st Swell: Southerly 3 to 4 metres, decreasing to 3 metres during the evening. 2nd Swell: Southwesterly 2 to 3 metres, decreasing below 0.5 metres during the morning. Weather: Cloudy.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots offshore in the late evening. Seas: 1.5 to 2 metres. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 50% chance of showers.
Winds: Southwesterly 20 to 30 knots tending west to southwesterly 20 to 25 knots before dawn then becoming southwesterly 20 to 30 knots in the early afternoon. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning. Weather: Cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday. Swell: Southwesterly 3 to 4 metres. Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots turning southerly below 10 knots during the day. Seas: Around 1 metre. 1st Swell: Southwesterly 2 to 4 metres, tending southerly 2 to 4 metres during the morning. 2nd Swell: Southerly 3 to 4 metres. Weather: Cloudy.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots in the evening. Seas: 2 to 2.5 metres. Swell: Southwesterly 3 metres. Weather: Partly cloudy. 70% chance of showers.
Winds: Westerly 25 to 30 knots turning southwesterly 20 to 30 knots in the early afternoon. Seas: 2 to 2.5 metres. Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning. Weather: Cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southwesterly 4 to 5 metres. Weather: Cloudy. 50% chance of showers.
Winds: Southwesterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. 1st Swell: Southwesterly 4 to 5 metres, tending southerly 3 to 5 metres during the morning. 2nd Swell: Southerly 2 to 4 metres. Weather: Cloudy.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots in the evening. Seas: 2 to 2.5 metres. Swell: Southwesterly 2.5 to 3 metres. Weather: Partly cloudy. 80% chance of showers.
Winds: Westerly 25 to 30 knots turning southwesterly 20 to 30 knots in the late afternoon. Seas: 2.5 to 3 metres. Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning. Weather: Cloudy. 80% chance of showers.
Winds: Southwesterly 20 to 25 knots. Seas: 2 metres. Swell: Southwesterly 4 metres, increasing to 4 to 6 metres during the afternoon. Weather: Cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: 1 to 2 metres, decreasing to 1 metre during the afternoon or evening. 1st Swell: Southwesterly 5 to 6 metres, tending southerly 3 to 5 metres during the morning. 2nd Swell: Below 0.5 metres, tending southerly 3 to 4 metres during the evening. Weather: Cloudy.
Winds: Northwesterly 20 to 25 knots turning westerly in the late afternoon. Winds reaching up to 30 knots in the late evening. Seas: 1.5 to 2 metres. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. 80% chance of showers.
Winds: Westerly 25 to 30 knots tending southwesterly 20 to 30 knots in the evening. Seas: 2 to 3 metres. Swell: Southwesterly 3 to 4 metres. Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 20 to 25 knots increasing to 20 to 30 knots in the middle of the day then decreasing to 20 to 25 knots in the early afternoon. Seas: 1.5 to 2 metres. Swell: Southwesterly 4 to 5 metres. Weather: Cloudy. 70% chance of showers.
Winds: Southwesterly 15 to 25 knots decreasing to 10 to 15 knots during the evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon. 1st Swell: Southwesterly 4 to 5 metres. 2nd Swell: Below 0.5 metres, tending southwesterly 2.5 to 3 metres during the evening. Weather: Cloudy. 50% chance of showers.
Winds: West to northwesterly 20 to 30 knots becoming westerly 15 to 25 knots in the late afternoon then increasing to 20 to 30 knots in the late evening. Seas: 1.5 to 2.5 metres. Swell: West to southwesterly 2.5 to 3 metres. Weather: Cloudy. 95% chance of showers.
Winds: Westerly 20 to 30 knots, reaching up to 35 knots south of Port MacDonnell early in the morning. Seas: 2 to 3 metres. Swell: Westerly 3 to 4 metres. Weather: Cloudy. 95% chance of showers, with possible small hail south of Port MacDonnell in the evening.
Winds: West to southwesterly 20 to 30 knots. Seas: 2 to 3 metres. Swell: Southwesterly 4 to 7 metres. Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 20 to 30 knots decreasing to 10 to 15 knots during the evening. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening. 1st Swell: Southwesterly 4 to 6 metres, decreasing to 4 metres during the evening. 2nd Swell: South to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the evening. Weather: Cloudy. 60% chance of showers.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots south of Cowell to Wallaroo during the afternoon and evening. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres by early evening. Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm north of Cowell to Wallaroo early this evening.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots south of Cowell to Wallaroo during the day. Winds turning southwesterly in the late afternoon. Seas: 1.5 to 2.5 metres. Swell: South to southwesterly 1 to 1.5 metres. Weather: Cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: South to southwesterly 1.5 to 2.5 metres. Weather: Cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots turning southerly during the afternoon. Seas: 1 to 1.5 metres. 1st Swell: South to southwesterly 1 to 2 metres, increasing to 2 to 3 metres south of Cowell to Wallaroo. 2nd Swell: Below 0.5 metres, tending south to southwesterly 1 to 2 metres during the evening. Weather: Cloudy.
Winds: Northwesterly 15 to 20 knots turning westerly in the late afternoon. Winds reaching up to 25 knots south of Port Vincent to Brighton in the evening. Seas: 1 to 1.5 metres. Swell: South to southwesterly below 1 metre. Weather: Partly cloudy. 70% chance of showers.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots south of Port Vincent to Brighton during the day. Winds tending southwesterly 15 to 25 knots in the evening. Seas: 1.5 to 2.5 metres. Swell: South to southwesterly below 1 metre. Weather: Cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots. Seas: 1 to 2 metres. Swell: South to southwesterly below 1 metre. Weather: Cloudy. 50% chance of showers.
Winds: Southwesterly 15 to 20 knots turning southerly 10 to 15 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: Southeast to southwesterly below 0.5 metres. Weather: Cloudy.
Winds: Westerly 20 to 25 knots, reaching up to 30 knots in the late evening. Seas: 1.5 to 2 metres. Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres by early evening. Weather: Partly cloudy. 70% chance of showers.
Winds: Westerly 20 to 30 knots turning southwesterly in the late afternoon. Seas: 2 to 2.5 metres. Swell: West to southwesterly 1.5 to 2.5 metres. Weather: Cloudy. 70% chance of showers.
Winds: Southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore. Swell: West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon. Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: West to southwesterly around 1 metre, increasing to 2 to 3 metres through the Backstairs Passage. Weather: Cloudy.
The next routine forecast will be issued at 9:30 pm CST Thursday.
* 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.