Perth FAD2 (offshore) Weather Forecast

    • 19
    • 20

    Partly cloudy

    • 18
    • 20

    Windy

    • 19
    • 20

    Windy

    • 19
    • 21

    Sunny

    • 20
    • 21

    Windy

    • 19
    • 21

    Windy

    • 20
    • 21

    Sunny

Today 4 Dec Lower West

Mostly clear. The chance of smoke haze. Winds southwesterly 15 to 25 km/h.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Southerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure about the southwest coast will build across southern WA after a weak front brushes past the south coast on Friday, pushing an inland trough northwards on Saturday. A new trough will develop through inland parts of the South West Land Division on Sunday and move eastwards on Monday. A second weak front will brush past the south coast on Monday ahead of the next high pressure ridge.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD2 (offshore) Temperature Statistics View More

December Temperature

Rottnest Island (48km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.1 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (48km)

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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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