Sinclair Island Weather Forecast
- 17
- 18
Partly cloudy
- 16
- 17
Partly cloudy
- 16
- 18
Shower
- 15
- 16
Windy
- 16
- 17
Shower
- 16
- 17
Shower
- 16
- 17
Partly cloudy
Today 4 May West Coast
Partly cloudy. High chance of showers east of Ceduna, slight chance elsewhere. Winds southwesterly 20 to 30 km/h becoming light in the late evening. Daytime maximum temperatures around 19.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southwesterly 15 to 20 knots turning southerly 10 to 15 knots in the evening.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 3 metres, increasing to 3 to 4 metres south of Streaky Bay.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A low pressure system is expected to move slowly eastwards over waters to the south of the state and will extend a trough over southern parts of SA today. The low will then move over Bass Strait later today. A ridge will extend across SA from the west on Tuesday and a cold front will move across the south later Wednesday. A high pressure system will become established south of WA on Thursday and will extend a ridge over western SA.
Sinclair Island Temperature Statistics View More
May Temperature
Ceduna Airport (66km)
Lowest 3 May, 2026
10.1 °CAverage May
17.2 °CHighest 1 May, 2026
32.1 °C
Climate (2021–Present)
Ceduna Airport (66km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C