Tortoise Island Weather Forecast

    • 19
    • 24

    Partly cloudy

    • 18
    • 23

    Sunny

    • 18
    • 23

    Partly cloudy

    • 20
    • 24

    Partly cloudy

    • 20
    • 24

    Sunny

    • 20
    • 24

    Sunny

    • 21
    • 25

    Partly cloudy

Today 29 Sep Pilbara

Mostly sunny. Slight chance of a shower inland, most likely during this afternoon and early evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the south. Winds west to southwesterly 15 to 20 km/h tending southeast to southwesterly in the early morning then tending west to northwesterly 20 to 30 km/h in the morning. Daytime maximum temperatures 30 to 37.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Southerly 10 to 15 knots turning southwesterly in the middle of the day. Winds reaching up to 20 knots offshore west of Onslow in the late evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre offshore.
Weather
Mostly sunny.
Weather Situation
A trough lies over the inland Kimberley and Pilbara and will persist for the next few days. A weak ridge will extend over the western Pilbara from Monday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tortoise Island Temperature Statistics View More

September Temperature

Thevenard Island (21km)

  • Lowest 6 September, 2026

    16.4 °C

  • Average September

    23.9 °C

  • Highest 25 September, 2026

    34.2 °C

Climate (2021–2026)

Thevenard Island (21km)

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  • Average Low 2021–2026

    22.3 °C

  • Average 2021–2026

    25.7 °C

  • Average High 2021–2026

    30.3 °C
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