Castle Bay Weather Forecast

    • 10
    • 17

    Cloudy

    • 7
    • 20

    Partly cloudy

    • 9
    • 23

    Sunny

    • 13
    • 25

    Late shower or two

    • 15
    • 21

    Showers easing

    • 14
    • 22

    Shower or two

    • 15
    • 23

    Shower or two

Today 11 Oct South West

Cloudy. Winds southerly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures between 14 and 17.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southerly 10 to 15 knots, reaching up to 20 knots offshore during the morning and again in the evening. Winds turning southeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore.
Weather
Cloudy.
Weather Situation
A cold front is approaching the southwest coast, before brushing the southern coast today. Behind the front a ridge will form over western and southern waters into the new week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Bay Temperature Statistics View More

October Temperature

Cape Naturaliste (8 km)

  • Lowest 2 October, 2026

    8.7 °C

  • Average October

    14.7 °C

  • Highest 7 October, 2026

    22.2 °C

Climate (2021–2026)

Cape Naturaliste (8 km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    22.7 °C
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