Blue Bay Weather Forecast

    • 16
    • 19

    Showers

    • 15
    • 19

    Cloudy

    • 13
    • 22

    Partly cloudy

    • 14
    • 25

    Mostly sunny

    • 18
    • 28

    Sunny

    • 19
    • 23

    Mostly sunny

    • 16
    • 21

    Showers

Today 12 Sep Mandurah

Partly cloudy. High chance of showers, becoming less likely early this morning. Winds northwesterly 25 to 35 km/h tending westerly in the early morning then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly 15 to 25 knots shifting west to southwesterly in the early morning then becoming west to northwesterly below 10 knots in the late afternoon. Winds may reach up to 30 knots immediately behind the wind change early in the morning.
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
Partly cloudy. 80% chance of showers.
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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Blue Bay Temperature Statistics View More

September Temperature

Mandurah (1km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    15.7 °C

  • Highest 9 September, 2026

    22.2 °C

Climate (2021–2026)

Mandurah (1km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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