Blue Bay Weather Forecast

    • 13
    • 17

    Cloudy

    • 13
    • 19

    Shower or two

    • 10
    • 19

    Partly cloudy

    • 9
    • 20

    Mostly sunny

    • 10
    • 21

    Partly cloudy

    • 12
    • 18

    Shower or two

    • 9
    • 18

    Shower or two

Today 18 Aug Mandurah

Cloudy. Slight chance of a shower, most likely in the evening. Winds southwesterly 15 to 20 km/h becoming light before dawn then becoming northwesterly 15 to 20 km/h in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots becoming variable below 10 knots in the early morning then becoming west to northwesterly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
West to southwesterly 2.5 to 4 metres.
Weather
Cloudy.
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Blue Bay Temperature Statistics View More

August Temperature

Mandurah (1km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14.4 °C

  • Highest 16 August, 2026

    22.3 °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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