Flat Island Weather Forecast

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    • 25

    Sunny

    • 22
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    Sunny

    • 21
    • 25

    Sunny

    • 20
    • 24

    Sunny

    • 20
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    Sunny

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    Sunny

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    Sunny

Today 15 Jul Pilbara

Sunny. Winds easterly 15 to 20 km/h tending east to northeasterly 25 to 40 km/h in the morning then tending east to southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 25 to 30.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Easterly 15 to 20 knots turning northeasterly in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore west of Onslow.
Weather
Sunny.
Weather Situation
A ridge to the south is bringing a moderate to fresh easterly flow to the region. The ridge will be pushed northward on Thursday and weakens from Friday as a cold front moves over the south of the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Island Temperature Statistics View More

July Temperature

Thevenard Island (44km)

  • Lowest 13 July, 2026

    14.7 °C

  • Average July

    20.8 °C

  • Highest 10 July, 2026

    27.2 °C

Climate (2021–2026)

Thevenard Island (44km)

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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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