Sinclair Island Weather Forecast
- 18
- 19
Partly cloudy
- 19
- 19
Partly cloudy
- 19
- 20
Partly cloudy
- 19
- 21
Shower
- 21
- 21
Shower
- 19
- 19
Windy
- 19
- 20
Shower
Today 18 Feb West Coast
Mostly clear. Winds southerly 25 to 35 km/h.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Southerly 10 to 15 knots, reaching up to 20 knots inshore during the afternoon and evening. Winds turning southeasterly in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres inshore.
- 1st Swell
- Southwesterly 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge of high pressure across the south of SA will weaken during Saturday as a broad trough of low pressure extends across the west and north. The trough will move eastwards during Sunday and a cold front will move across the south. A broad area of low pressure will persist across the north early next week and a high pressure ridge will become established over waters to the south.
Sinclair Island Temperature Statistics View More
February Temperature
Ceduna Airport (66km)
Lowest 3 February, 2026
8.9 °CAverage February
22.1 °CHighest 16 February, 2026
40.4 °C
Climate (2021–Present)
Ceduna Airport (66km)
Average Low 2021–2026
10.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.8 °C