Blue Bay Weather Forecast

    • 10
    • 20

    Showers increasing

    • 12
    • 16

    Shower or two

    • 8
    • 17

    Sunny

    • 9
    • 19

    Mostly sunny

    • 12
    • 18

    Showers

    • 13
    • 17

    Showers

    • 10
    • 18

    Showers

Today 31 Jul Mandurah

Mostly sunny day. Very high chance of showers, most likely late this afternoon and evening. Winds northwest to northeasterly 15 to 20 km/h tending northwest to southwesterly in the late afternoon then becoming southwesterly 20 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwest to northeasterly 10 to 15 knots tending west to northwesterly 15 to 20 knots in the early afternoon then tending west to southwesterly in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Mostly sunny. 70% chance of showers.
Weather Situation
A ridge over local waters is slowly weakening. A weak cold front will move through this evening, followed by a new ridge over the weekend. A trough will develop along the west coast on Monday in association with a cloud band.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blue Bay Temperature Statistics View More

July Temperature

Mandurah (1km)

  • Lowest 29 July, 2026

    7.5 °C

  • Average July

    14.3 °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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