Rocky Bay Weather Forecast

    • 21
    • 27

    Sunny

    • 21
    • 27

    Sunny

    • 22
    • 28

    Sunny

    • 22
    • 28

    Sunny

    • 21
    • 26

    Partly cloudy

    • 20
    • 26

    Becoming windy. Mostly sunny

    • 18
    • 23

    Windy. Cloud clearing

Today 4 Mar Lower West

Sunny. Winds east to northeasterly 25 to 35 km/h shifting south to southwesterly 20 to 30 km/h in the early afternoon then tending south to southeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the mid to high 30s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 10 to 15 knots turning southerly 15 to 20 knots in the late morning and early afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A trough is located nearby, with a slow moving ridge to the east. The trough is expected to move inland over the weekend, ahead of a weak cold front moving through the Bight.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

March Temperature

Rottnest Island (2km)

  • Lowest 1 March, 2026

    15.2 °C

  • Average March

    19.9 °C

  • Highest 2 March, 2026

    23.7 °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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