Tortoise Island Weather Forecast
- 18
- 24
Clear
- 19
- 24
Sunny
- 19
- 23
Sunny
- 18
- 24
Sunny
- 18
- 24
Sunny
- 20
- 24
Partly cloudy
- 21
- 24
Partly cloudy
Today 24 Aug Pilbara
Clear. Winds south to southeasterly 15 to 25 km/h.
Pilbara West Coastal Waters
Cape Preston to North West Cape- Wind
- West to southwesterly 10 to 15 knots tending south to southwesterly in the evening. Winds reaching up to 20 knots offshore west of Onslow in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- West to southwesterly around 1 metre inshore, increasing to 1.5 to 2 metres about offshore western waters.
- Weather
- Clear.
- Weather Situation
- A trough extends from the inland Pilbara across the west Kimberley and Pilbara coasts. The western part of the trough will start to move inland through the Pilbara later on Tuesday as a ridge to the south begins to weaken. As this ridge continues to contract towards the southeast, a new ridge will strengthen from the west into the Pilbara and adjacent waters from Thursday.
Tortoise Island Temperature Statistics View More
August Temperature
Thevenard Island (21km)
Lowest 13 August, 2026
10.3 °CAverage August
21.7 °CHighest 21 August, 2026
29.9 °C
Climate (2021–2026)
Thevenard Island (21km)
Average Low 2021–2026
22.3 °CAverage 2021–2026
25.7 °CAverage High 2021–2026
30.3 °C