Cap Island Weather Forecast
- 16
- 18
Sunny
- 16
- 18
Windy
- 16
- 18
Partly cloudy
- 15
- 18
Partly cloudy
- 16
- 20
Partly cloudy
- 18
- 19
Shower
- 17
- 18
Shower
Today 6 Mar West Coast
Sunny. Winds south to southeasterly 20 to 30 km/h. Daytime maximum temperatures 25 to 30.
Lower West Coastal Waters
Elliston to Cape Carnot- Wind
- Variable about 10 knots becoming southerly 10 to 15 knots in the early afternoon then tending southeasterly in the late evening. Winds reaching up to 20 knots inshore in the evening.
- Seas
- Below 0.5 metres, increasing to around 1 metre during the afternoon.
- 1st Swell
- Southwesterly 3 metres.
- Weather
- Sunny.
- Weather Situation
- A ridge of high pressure will persist across the south of SA this week. The ridge will strengthen as another high strengthens over waters south of the Bight over the weekend. This second high will move eastwards late in the weekend and early next week ahead of a cold front expected to move across mid next week.
Cap Island Temperature Statistics View More
March Temperature
Elliston (39km)
Lowest 5 March, 2026
11.1 °CAverage March
17.6 °CHighest 4 March, 2026
23.7 °C
Climate (2021–Present)
Elliston (39km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
16.2 °CAverage High 2021–2026
22.5 °C