Birthday Island Weather Forecast

    • 23
    • 24

    Sunny

    • 23
    • 25

    Partly cloudy

    • 23
    • 25

    Partly cloudy

    • 24
    • 26

    Partly cloudy

    • 25
    • 26

    Windy

    • 24
    • 25

    Sunny

    • 24
    • 25

    Sunny

Today 19 Sep Pilbara

Sunny. Winds southeast to southwesterly 15 to 25 km/h tending east to southeasterly 25 to 35 km/h in the morning then tending southeast to southwesterly 15 to 25 km/h in the early afternoon. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching the low to high 30s.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
East to southeasterly 10 to 15 knots, reaching up to 20 knots about offshore western waters during the morning. Winds shifting north to northwesterly in the late morning.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
West to southwesterly around 1 metre inshore, increasing to 1.5 to 2.5 metres about offshore western waters.
Weather
Sunny.
Weather Situation
Generally light winds, apart from the far western Pilbara waters where winds are fresh southerly until Saturday. A ridge is developing today, and will increase southeasterly winds through the remainder of the Pilbara and southwest Kimberley waters over the weekend into next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Birthday Island Temperature Statistics View More

September Temperature

Varanus Island (30km)

  • Lowest 6 September, 2025

    17.6 °C

  • Average September

    22.8 °C

  • Highest 14 September, 2025

    29.1 °C

Climate (2020–Present)

Varanus Island (30km)

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  • Average Low 2020–2025

    23.9 °C

  • Average 2020–2025

    25.9 °C

  • Average High 2020–2025

    29.1 °C
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