Southern Harbour Weather Forecast

    • 12
    • 23

    Becoming windy. Sunny

    • 13
    • 26

    Sunny

    • 17
    • 32

    Sunny

    • 19
    • 31

    Partly cloudy

    • 19
    • 30

    Possible afternoon storm

    • 18
    • 28

    Partly cloudy

    • 18
    • 26

    Sunny

Today 15 Nov Perth

Sunny. Winds southeasterly 15 to 20 km/h turning south to southwesterly 25 to 35 km/h in the morning then tending south to southeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 25 knots tending southerly in the morning. Winds reaching up to 30 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 2 metres during the afternoon.
1st Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Sunny.
Weather Situation
A ridge developing over local waters will persist until next week. A west coast trough will develop on Sunday and deepen on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Southern Harbour Temperature Statistics View More

November Temperature

Garden Island (12km)

  • Lowest 2 November, 2025

    11.7 °C

  • Average November

    19.4 °C

  • Highest 11 November, 2025

    32.7 °C

Climate (2020–Present)

Garden Island (12km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.3 °C
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