Perth FAD4 (offshore) Weather Forecast

    • 16
    • 21

    Shower

    • 19
    • 20

    Shower

    • 15
    • 17

    Shower

    • 16
    • 17

    Shower

    • 16
    • 18

    Shower

    • 17
    • 18

    Shower

    • 17
    • 18

    Shower

Today 11 Jul Lower West

Mostly sunny. Areas of frost inland early this morning. Medium chance of showers in the south, slight chance elsewhere. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h in the late morning and early afternoon. Daytime maximum temperatures between 17 and 20.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Northerly 15 to 20 knots turning northwesterly 20 to 25 knots during the morning and early afternoon.
Seas
Around 1 metre, increasing to 1.5 to 2 metres during the morning.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the afternoon.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A high pressure system over southern WA will move into central Australia today. A moderate cold front will bring very windy conditions to the southwest and southern coastal waters today and Saturday. A new ridge will extend over southwest WA on Sunday, followed by a weak cold front brushing past the south coast on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD4 (offshore) Temperature Statistics View More

July Temperature

Rottnest Island (43km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    15.9 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (43km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
Get WillyWeather+ to remove ads