Castle Point Weather Forecast
- 12
- 18
Possible storm. Very windy
- 10
- 17
Shower or two
- 9
- 19
Shower or two
- 12
- 19
Showers. Becoming windy
- 11
- 18
Shower or two
- 11
- 19
Possible shower
- 10
- 20
Cloudy
Today 14 Sep South West
Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm, possibly severe. Possible small hail in the south during this evening. Damaging winds possible. Winds northwesterly 30 to 45 km/h turning westerly 35 to 50 km/h in the morning then decreasing to 25 to 35 km/h in the late evening. Daytime maximum temperatures between 14 and 17.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Westerly 25 to 30 knots, reaching up to 35 knots in the late morning and afternoon. Winds turning southwesterly in the evening.
- Seas
- 3 to 4 metres.
- 1st Swell
- Westerly 2.5 to 4 metres inshore, increasing to 4 to 6 metres offshore.
- Weather
- Cloudy. 90% chance of showers, with possible small hail about Geographe Bay in the evening. The chance of a thunderstorm in the morning and afternoon.
- Caution
- Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A cold front over the southeast will continue to move east ahead of a stronger cold front on Sunday, bringing very windy conditions and large swells over western and southern waters. A ridge then builds about the central west coast from Monday.
Castle Point Temperature Statistics View More
September Temperature
Cape Naturaliste (9km)
Lowest 8 September, 2025
4.8 °CAverage September
13.3 °CHighest 12 September, 2025
20.7 °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