Castle Bay Weather Forecast

    • 12
    • 26

    Mostly sunny

    • 13
    • 28

    Mostly sunny

    • 15
    • 27

    Mostly sunny

    • 14
    • 25

    Mostly sunny

    • 15
    • 24

    Partly cloudy

    • 14
    • 22

    Showers

    • 13
    • 20

    Showers

Today 15 Nov South West

Partly cloudy. Winds easterly 15 to 25 km/h.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southeasterly 15 to 20 knots turning easterly in the late evening. Winds reaching up to 25 knots offshore in the late evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
Weather Situation
A trough and associated low pressure system extend from the northern parts of the South West Land Division, across the Gascoyne to the Interior. Meanwhile, a high pressure system in the Bight will weaken and move east on Monday night, allowing the trough to extend into southwest WA on Tuesday. The trough and low pressure system will move east on Wednesday and Thursday, ahead of an approaching cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castle Bay Temperature Statistics View More

November Temperature

Cape Naturaliste (8 km)

  • Lowest 4 November, 2026

    9.2 °C
  • Average November

    16.3 °C
  • Highest 13 November, 2026

    25 °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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