Blue Bay Weather Forecast

    • 10
    • 17

    Partly cloudy

    • 9
    • 17

    Partly cloudy

    • 9
    • 17

    Sunny

    • 9
    • 18

    Sunny

    • 10
    • 18

    Shower or two

    • 10
    • 16

    Shower or two

    • 10
    • 17

    Partly cloudy

Today 21 Jul Mandurah

Partly cloudy. Slight chance of a shower in the morning. Light winds becoming southerly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A ridge is strengthening over the west coast with a weak cold front moving east along the south coast today. The ridge will then move south and strengthen in the wake of the cold front.
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Blue Bay Temperature Statistics View More

July Temperature

Mandurah (1km)

  • Lowest 14 July, 2026

    8.7 °C

  • Average July

    14.7 °C

  • Highest 14 July, 2026

    20 °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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