Round Island Nature Reserve Weather Forecast
- 22
- 24
Partly cloudy
- 23
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Partly cloudy
- 21
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Sunny
- 21
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Sunny
- 21
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Sunny
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Sunny
- 21
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Sunny
Today 17 Sep Pilbara
Mostly clear. The chance of a thunderstorm in the west. Winds northeast to southeasterly 15 to 20 km/h becoming light in the late evening.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- Variable about 10 knots.
- Seas
- Below 0.5 metres, increasing to below 1 metre east of Onslow.
- 1st Swell
- West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Mostly clear.
- Weather Situation
- A trough lies across the western Pilbara coast Thursday and Friday, before moving inland over the weekend, leaving a weak ridge behind. A new trough then develops about the Pilbara coast later Sunday.
Round Island Nature Reserve Temperature Statistics View More
September Temperature
Thevenard Island (43km)
Lowest 6 September, 2026
16.4 °CAverage September
22.9 °CHighest 2 September, 2026
29.5 °C
Climate (2021–2026)
Thevenard Island (43km)
Average Low 2021–2026
22.3 °CAverage 2021–2026
25.7 °CAverage High 2021–2026
30.2 °C