Salmon Bay Weather Forecast

    • 15
    • 19

    Partly cloudy

    • 15
    • 19

    Possible morning shower

    • 14
    • 19

    Partly cloudy

    • 13
    • 20

    Possible shower. Windy

    • 11
    • 17

    Shower or two. Wind easing

    • 12
    • 18

    Showers

    • 15
    • 19

    Shower or two

Today 22 Sep Lower West

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A ridge sits over the local waters. A cold front will pass to the south on Thursday and a deep low pressure system developing inland on Friday will cause winds to freshen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

September Temperature

Rottnest Island (1km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    27.8 °C

Climate (2021–2026)

Rottnest Island (1km)

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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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