Australian Marine Complex Weather Forecast

    • 15
    • 20

    Sunny

    • 13
    • 20

    Cloudy

    • 12
    • 23

    Mostly sunny

    • 13
    • 25

    Mostly sunny

    • 16
    • 28

    Sunny

    • 17
    • 23

    Shower or two

    • 14
    • 21

    Showers

Today 12 Sep Perth

Mostly sunny. Winds westerly 15 to 25 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 15 to 20 knots tending west to northwesterly below 10 knots in the afternoon.
Seas
1 to 2 metres, decreasing below 1 metre around midday.
1st Swell
West to southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Mostly sunny.
Weather Situation
Winds will tend north to northwesterly today ahead of a weak cold front passing through the area on Saturday morning, followed by another cold front brushing the southwest coast later on Sunday. A west coast trough extends over the local waters from Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Australian Marine Complex Temperature Statistics View More

September Temperature

Jandakot Airport (11km)

  • Lowest 1 September, 2026

    6.8 °C

  • Average September

    15.3 °C

  • Highest 10 September, 2026

    23.1 °C

Climate (2021–2026)

Jandakot Airport (11km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    25.4 °C
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