Castle Point Weather Forecast
- 15
- 29
Partly cloudy
- 15
- 29
Partly cloudy
- 17
- 30
Mostly sunny
- 18
- 30
Sunny
- 17
- 30
Mostly sunny
- 16
- 28
Mostly sunny
- 15
- 28
Sunny
Today 15 Mar South West
Partly cloudy. Slight chance of a shower in the south this morning. Near zero chance of rain elsewhere. Winds southeasterly 15 to 20 km/h becoming light before dawn then becoming southeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures 24 to 29.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Southeasterly 15 to 20 knots tending southerly in the middle of the day. Winds reaching up to 25 knots offshore in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A strong ridge will remain in place over southern and central WA into next week. A new west coast trough will begin to develop from today.
Castle Point Temperature Statistics View More
March Temperature
Cape Naturaliste (9km)
Lowest 12 March, 2026
12.2 °CAverage March
19.6 °CHighest 7 March, 2026
32.3 °C
Climate (2021–Present)
Cape Naturaliste (9km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
17.2 °CAverage High 2021–2026
22.7 °C