Perth FAD3 (offshore) Weather Forecast

    • 18
    • 22

    Clear

    • 21
    • 23

    Sunny

    • 22
    • 24

    Partly cloudy

    • 21
    • 23

    Partly cloudy

    • 21
    • 23

    Sunny

    • 22
    • 23

    Sunny

    • 21
    • 22

    Windy

Today 30 Dec Perth

Clear. Winds southeasterly 15 to 25 km/h.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Southerly 15 to 20 knots tending southeasterly in the late evening.
Seas
1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge sits along the south coast, driving a easterly airstream over southern and central parts. A trough developing down the west coast moves into inland western parts Thursday or Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD3 (offshore) Temperature Statistics View More

December Temperature

Rottnest Island (46km)

  • Lowest 21 December, 2025

    14.6 °C

  • Average December

    21.5 °C

  • Highest 25 December, 2025

    40.9 °C

Climate (2020–Present)

Rottnest Island (46km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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