Swan River - Northbank Marina Weather Forecast

    • 11
    • 25

    Sunny

    • 13
    • 23

    Mostly sunny

    • 14
    • 20

    Shower or two

    • 12
    • 19

    Showers easing

    • 11
    • 19

    Shower or two

    • 11
    • 20

    Partly cloudy

    • 11
    • 22

    Partly cloudy

Today 12 May Perth

Sunny. Winds north to northeasterly 15 to 25 km/h tending north to northwesterly in the middle of the day then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly 10 to 15 knots tending north to northwesterly in the middle of the day then becoming variable below 10 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
Westerly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A ridge is weakening over the local waters. A front will move through on Wednesday night, followed by another cold front brushing past the south coast on Thursday night into Friday. A new ridge will arrive later Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Northbank Marina Temperature Statistics View More

May Temperature

Swanbourne (9km)

  • Lowest 2 May, 2026

    7.7 °C

  • Average May

    15.8 °C

  • Highest 10 May, 2026

    24.5 °C

Climate (2021–Present)

Swanbourne (9km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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