Flat Island Weather Forecast

    • 22
    • 26

    Clear

    • 21
    • 26

    Partly cloudy

    • 21
    • 25

    Sunny

    • 20
    • 24

    Sunny

    • 20
    • 23

    Partly cloudy

    • 20
    • 23

    Partly cloudy

    • 20
    • 23

    Partly cloudy

Today 23 Sep Pilbara

Partly cloudy. Slight chance of a shower in the southeast, near zero chance elsewhere. The chance of a thunderstorm in the southeast. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the evening.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots in Exmouth Gulf in the evening.
Seas
Around 1 metre.
1st Swell
West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A trough lies near the Kimberley and east Pilbara coasts, resulting in light winds and daily sea breezes. A weak ridge into the west Pilbara and adjacent waters will strengthen later in the week, resulting a freshening of south to southwesterly winds.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Island Temperature Statistics View More

September Temperature

Thevenard Island (44km)

  • Lowest 6 September, 2026

    16.4 °C

  • Average September

    23.5 °C

  • Highest 17 September, 2026

    32.1 °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

    30.2 °C
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