Perth FAD4 (offshore) Weather Forecast

    • 18
    • 22

    Partly cloudy

    • 20
    • 21

    Rain

    • 19
    • 21

    Rain

    • 20
    • 21

    Shower

    • 19
    • 19

    Shower

    • 16
    • 18

    Shower

    • 16
    • 18

    Partly cloudy

Today 26 Apr Lower West

The chance of morning fog. Mostly sunny afternoon. Light winds becoming easterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching the mid to high 20s.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Southeasterly 10 to 15 knots turning southerly in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Mostly sunny.
Weather Situation
A high pressure ridge will become established through southern WA during the weekend, moving into the Bight on Sunday night as a trough deepens down the west coast. A cold front will sweep by the south coast during Monday, dragging the west coast trough further inland.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD4 (offshore) Temperature Statistics View More

April Temperature

Rottnest Island (43km)

  • Lowest 21 April, 2026

    13.2 °C

  • Average April

    19 °C

  • Highest 3 April, 2026

    25.9 °C

Climate (2021–Present)

Rottnest Island (43km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.7 °C
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