Mary Street Lagoon Weather Forecast

    • 15
    • 19

    Cloudy

    • 12
    • 21

    Partly cloudy

    • 14
    • 24

    Mostly sunny

    • 17
    • 28

    Sunny

    • 19
    • 23

    Shower or two

    • 15
    • 19

    Showers

    • 14
    • 19

    Shower or two

Today 13 Sep Mandurah

Cloudy. Slight chance of a shower. Winds northwesterly 15 to 20 km/h tending westerly in the morning then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Westerly 10 to 15 knots becoming southwesterly below 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A westerly flow will continue over local waters this weekend as a cold front brushes past the southwest coast on Sunday night. Winds turning easterly from Monday as a high develops in the Bight. A trough arrives on the west coast on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Street Lagoon Temperature Statistics View More

September Temperature

Mandurah (0km)

  • Lowest 1 September, 2026

    10.4 °C

  • Average September

    16 °C

  • Highest 9 September, 2026

    22.2 °C

Climate (2021–2026)

Mandurah (0km)

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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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