Birthday Island Weather Forecast

    • 25
    • 27

    Shower

    • 25
    • 27

    Windy

    • 25
    • 26

    Shower

    • 24
    • 25

    Shower

    • 24
    • 26

    Partly cloudy

    • 24
    • 26

    Sunny

    • 24
    • 25

    Windy

Today 18 May Pilbara

Sunny. Winds east to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 14 and 19 with daytime temperatures reaching 26 to 32.

Pilbara West Coastal Waters

Cape Preston to North West Cape
Wind
Easterly 15 to 25 knots, reaching up to 30 knots offshore east of Onslow during the morning and early afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
West to southwesterly around 1 metre offshore.
Weather
Mostly sunny.
Weather Situation
A broad trough lies over the area, pushing offshore from Monday. A new ridge developing to the south today will bring fresh southerly winds to western Pilbara waters, turning easterly and extending through remaining Pilbara and Kimberley waters today.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Birthday Island Temperature Statistics View More

May Temperature

Varanus Island (30km)

  • Lowest 17 May, 2026

    19.3 °C

  • Average May

    26 °C

  • Highest 2 May, 2026

    31 °C

Climate (2021–Present)

Varanus Island (30km)

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  • Average Low 2021–2026

    23.9 °C

  • Average 2021–2026

    25.9 °C

  • Average High 2021–2026

    29.1 °C
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