Castle Point Weather Forecast
- 21
- 30
Partly cloudy
- 17
- 27
Partly cloudy
- 17
- 25
Partly cloudy
- 15
- 29
Cloud clearing
- 14
- 29
Sunny
- 15
- 25
Partly cloudy
- 13
- 27
Sunny
Today 15 Dec South West
Mostly clear. Light winds.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Variable below 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy. The chance of fog with reduced visibility.
- Weather Situation
- A deep trough near the west coast is slowly moving inland as a high pressure system in the Bight moves east. The trough will move further inland on Tuesday across the South West Land Division ahead of a weak cold front brushing the south coast. A new ridge building across the southwest coast by Wednesday will extend along southern WA on Thursday. A new west coast trough will form on Friday.
Castle Point Temperature Statistics View More
December Temperature
Cape Naturaliste (9km)
Lowest 6 December, 2025
12.8 °CAverage December
20.4 °CHighest 14 December, 2025
36.4 °C
Climate (2020–Present)
Cape Naturaliste (9km)
Average Low 2020–2025
13.3 °CAverage 2020–2025
17.2 °CAverage High 2020–2025
22.7 °C