Mary Street Lagoon Weather Forecast

    • 20
    • 24

    Partly cloudy

    • 18
    • 22

    Showers

    • 17
    • 22

    Possible shower

    • 13
    • 22

    Partly cloudy

    • 15
    • 26

    Mostly sunny

    • 18
    • 27

    Mostly sunny

    • 18
    • 27

    Mostly sunny

Today 29 Mar Mandurah

Partly cloudy. Slight chance of a shower. Winds westerly 20 to 25 km/h tending southwesterly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Mostly sunny.
Weather Situation
A series of cold fronts will move across the south coast, maintaining a showery westerly flow across the local waters until Tuesday. A new ridge will extend over southern WA from later Tuesday, before sinking to the south coast on Thursday as a trough develops over inland South West Land Division and inland Gascoyne.
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Mary Street Lagoon Temperature Statistics View More

March Temperature

Mandurah (0km)

  • Lowest 1 March, 2026

    13.3 °C

  • Average March

    23.2 °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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