Decres Bay Weather Forecast
- 15
- 27
Partly cloudy
- 18
- 29
Shower or two
- 16
- 27
Mostly sunny
- 15
- 24
Shower or two
- 15
- 31
Shower or two
- 16
- 24
Shower or two
- 14
- 20
Cloudy
Today 4 Apr West Coast
Partly cloudy. High chance of showers west of Nullarbor, medium chance elsewhere. The chance of a thunderstorm west of Ceduna this evening. Winds northeast to southeasterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then tending northeast to southeasterly in the late evening. Daytime maximum temperatures around 30.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Easterly 10 to 15 knots, reaching up to 20 knots south of Streaky Bay during the morning. Winds turning south to southeasterly in the early afternoon then tending east to southeasterly in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm inshore this evening.
- Weather Situation
- A high pressure system southeast of the Bight will continue to move southeastwards to be centred southeast of Tasmania by Sunday allowing a trough over WA to link to a weak front south of the Bight moving over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
Decres Bay Temperature Statistics View More
April Temperature
Ceduna Airport (9km)
Lowest 2 April, 2026
8.9 °CAverage April
16.8 °CHighest 2 April, 2026
21.7 °C
Climate (2021–Present)
Ceduna Airport (9km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C