Casuarina Boat Harbour Weather Forecast

    • 9
    • 15

    Shower or two

    • 10
    • 20

    Shower or two

    • 12
    • 19

    Showers

    • 10
    • 19

    Shower or two

    • 12
    • 18

    Showers easing

    • 9
    • 18

    Possible morning shower

    • 8
    • 20

    Partly cloudy

Today 26 Sep Bunbury

Cloudy. Medium chance of showers. Winds southeasterly 25 to 35 km/h decreasing to 20 to 25 km/h in the late evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southeasterly 20 to 30 knots.
Seas
1 to 2 metres, increasing to 2 to 3 metres offshore.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A ridge is extending south of the state. An inland trough and low will move west on the weekend across southern and central WA, moving close to the west coast on Sunday. A high will develop south of the Bight on the weekend and move east for the following few days. On Monday the low will slip south of the state and the trough will move over south east parts. A cold front will approach on Tuesday and move through during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Casuarina Boat Harbour Temperature Statistics View More

September Temperature

Bunbury (5km)

  • Lowest 1 September, 2026

    5 °C

  • Average September

    15.2 °C

  • Highest 16 September, 2026

    27.4 °C

Climate (2021–2026)

Bunbury (5km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.7 °C
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