First Rock Weather Forecast

    • 17
    • 29

    Partly cloudy

    • 18
    • 30

    Partly cloudy

    • 19
    • 31

    Mostly sunny

    • 19
    • 30

    Sunny

    • 21
    • 32

    Sunny

    • 23
    • 33

    Sunny

    • 22
    • 31

    Sunny

Today 13 Mar Perth

Partly cloudy. Winds southeasterly 20 to 30 km/h turning easterly 25 to 35 km/h before dawn.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A strong ridge extends over southern WA, bringing moderate to fresh southeasterly winds. A west coast trough will develop later this weekend, resulting in winds easing slightly over the local waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

First Rock Temperature Statistics View More

March Temperature

Garden Island (7km)

  • Lowest 1 March, 2026

    14.3 °C

  • Average March

    21.9 °C

  • Highest 4 March, 2026

    32 °C

Climate (2021–Present)

Garden Island (7km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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