Casuarina Boat Harbour Weather Forecast
- 13
- 21
Partly cloudy
- 12
- 19
Cloudy
- 13
- 21
Showers increasing
- 14
- 22
Shower or two
- 9
- 23
Sunny
- 10
- 25
Sunny
- 11
- 26
Partly cloudy
Today 31 Oct Bunbury
Partly cloudy. Winds westerly 15 to 20 km/h turning south to southwesterly in the late evening.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots offshore in the evening. Winds tending southerly in the late evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A cold front is weakening as it moves across the South West Land Division with a low expected to cross the southwest corner on Saturday night. A ridge will begin to extend over southern WA from Sunday, with a weak cold front crossing the southwest coast on Monday night. Following the passage of the front the ridge will move to the south coast on Tuesday and into the Bight on Wednesday.
Casuarina Boat Harbour Temperature Statistics View More
October Temperature
Bunbury (5 km)
Lowest 25 October, 2026
3.5 °CAverage October
15.4 °CHighest 14 October, 2026
28.1 °C
Climate (2021–2026)
Bunbury (5 km)
Average Low 2021–2026
11.7 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.7 °C