Perth FAD2 (offshore) Weather Forecast

    • 15
    • 17

    Shower

    • 16
    • 17

    Storm

    • 13
    • 16

    Shower

    • 15
    • 17

    Partly cloudy

    • 15
    • 17

    Partly cloudy

    • 15
    • 19

    Partly cloudy

    • 16
    • 19

    Sunny

Today 9 Aug Lower West

Cloudy. Medium chance of showers in the west, slight chance elsewhere. Light winds.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots turning westerly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A broad ridge over the central west coast will weaken as a cold front moves over the southwest of the state on Monday and along the central south coast and Eucla coast on Tuesday. Another ridge will develop over the south of the state in the wake of the cold front on Tuesday and Wednesday and dominate the weather pattern until the end of the week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD2 (offshore) Temperature Statistics View More

August Temperature

Rottnest Island (48km)

  • Lowest 8 August, 2026

    8.3 °C

  • Average August

    15.4 °C

  • Highest 3 August, 2026

    20.4 °C

Climate (2021–2026)

Rottnest Island (48km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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