Salmon Bay Weather Forecast

    • 12
    • 21

    Mostly sunny

    • 14
    • 21

    Mostly sunny

    • 16
    • 20

    Morning showers. Wind easing

    • 15
    • 19

    Partly cloudy

    • 14
    • 20

    Partly cloudy

    • 15
    • 21

    Sunny

    • 16
    • 22

    Sunny

Today 10 Sep Lower West

Partly cloudy. Winds east to northeasterly 15 to 25 km/h becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming easterly 10 to 15 knots in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Mostly sunny.
Weather Situation
A high in the Bight is directing east to northeasterly winds across the local waters. Winds will tend north to northwesterly on Friday ahead of a weak cold front passing through the area on Saturday, followed by another cold front brushing the southwest coast later on Sunday.
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  • 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

    15.2 °C

  • Highest 4 September, 2026

    19 °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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