Decres Bay Weather Forecast
- 15
- 25
Mostly sunny
- 16
- 29
Sunny
- 19
- 30
Mostly sunny
- 20
- 29
Sunny
- 19
- 26
Mostly sunny
- 16
- 21
Partly cloudy
- 12
- 20
Cloud clearing
Today 21 Mar West Coast
Mostly sunny. The chance of morning fog south of Streaky Bay. Light winds becoming south to southeasterly 15 to 25 km/h in the early afternoon. Daytime maximum temperatures in the mid to high 20s.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southeasterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge of high pressure will persist across the coastal waters. The high pressure centre associated with the ridge will become established in the Tasman Sea over the weekend. A trough moves over the south early next week with a cold front clipping the southeast mid week. A new ridge develops south of the Bight early to mid next week.
Decres Bay Temperature Statistics View More
March Temperature
Ceduna Airport (9km)
Lowest 9 March, 2026
10.1 °CAverage March
18.8 °CHighest 10 March, 2026
35.8 °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