Mary Street Lagoon Weather Forecast

    • 20
    • 31

    Sunny

    • 21
    • 29

    Sunny

    • 19
    • 31

    Mostly sunny

    • 19
    • 30

    Mostly sunny

    • 18
    • 29

    Mostly sunny

    • 17
    • 31

    Mostly sunny

    • 19
    • 33

    Mostly sunny

Today 20 Mar Mandurah

Sunny. Winds westerly 15 to 20 km/h tending southwesterly in the early afternoon then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Sunny.
Weather Situation
A west coast trough will move inland later Saturday, ahead of a weak cold front brushing past the south coast on Sunday. A new ridge will arrive on the southwest coast on Sunday, building east along the south coast from Monday.
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  • Temperature Forecast Bureau of Meteorology

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Mary Street Lagoon Temperature Statistics View More

March Temperature

Mandurah (0km)

  • Lowest 1 March, 2026

    13.3 °C

  • Average March

    23.8 °C

  • Highest 4 March, 2026

    35.5 °C

Climate (2021–Present)

Mandurah (0km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.2 °C

  • Average High 2021–2026

    23.8 °C
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