Rocky Bay Weather Forecast

    • 22
    • 30

    Sunny

    • 22
    • 27

    Sunny

    • 21
    • 26

    Mostly sunny

    • 21
    • 25

    Sunny

    • 20
    • 27

    Becoming windy. Partly cloudy

    • 19
    • 27

    Wind easing. Sunny

    • 19
    • 24

    Becoming windy. Mostly sunny

Today 18 Mar Lower West

Sunny. Winds northwest to northeasterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming south to southwesterly 10 to 15 knots in the early afternoon then becoming south to southeasterly about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge lies over southeastern parts of the State. A trough will remain near the west coast for much of the week before moving inland on Saturday as a new ridge pushes in from the southwest.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

March Temperature

Rottnest Island (2km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    21.7 °C

  • Highest 4 March, 2026

    29.1 °C

Climate (2021–Present)

Rottnest Island (2km)

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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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