Dunn Bay Weather Forecast

    • 9
    • 18

    Shower or two

    • 13
    • 19

    Showers easing. Wind easing

    • 11
    • 18

    Shower or two

    • 11
    • 19

    Possible morning shower

    • 10
    • 21

    Partly cloudy

    • 10
    • 23

    Mostly sunny

    • 11
    • 25

    Sunny

Today 16 Sep South West

Partly cloudy. Medium chance of showers. Winds northwesterly 15 to 25 km/h increasing to 20 to 30 km/h in the late evening. Daytime maximum temperatures around 16.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Westerly 10 to 15 knots turning northwesterly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A vigorous southwesterly flow over southern waters will ease as a ridge of high pressure builds about the central west coast. Fresh to strong northwesterly winds will push over southwestern waters ahead of a cold front arriving Wednesday. A series of weak fronts then brush the far south through to late Thursday. Another ridge begins strengthening over the central west from Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dunn Bay Temperature Statistics View More

September Temperature

Cape Naturaliste (12km)

  • Lowest 8 September, 2025

    4.8 °C

  • Average September

    13.2 °C

  • Highest 12 September, 2025

    20.7 °C

Climate (2020–Present)

Cape Naturaliste (12km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    17.2 °C

  • Average High 2020–2025

    22.7 °C
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