Koombana Beach Weather Forecast
- 16
- 21
Shower or two
- 15
- 22
Possible shower
- 12
- 22
Partly cloudy
- 13
- 25
Partly cloudy
- 15
- 27
Mostly sunny
- 16
- 26
Partly cloudy
- 15
- 25
Partly cloudy
Today 30 Mar Bunbury
Partly cloudy. Medium chance of showers, becoming less likely later this evening. Winds westerly 30 to 40 km/h turning southwesterly 25 to 30 km/h in the late evening.
Bunbury Geographe Coastal Waters
Dawesville to Cape Naturaliste- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots offshore in the late afternoon. Winds turning southwesterly 15 to 20 knots in the evening.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- Southwesterly 1 to 2 metres, increasing to 2 to 3 metres by early evening.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A trough over the Goldfields and Interior will slowly move east over the next couple of days. Two weak cold fronts move across the south coast, maintaining a showery westerly flow over southwest WA until Tuesday. A new ridge will extend over southern WA from later Tuesday, before sinking to the south coast on Thursday as a trough develops over the inland South West Land Division and inland Gascoyne.
Koombana Beach Temperature Statistics View More
March Temperature
Bunbury (4km)
Lowest 1 March, 2026
9.5 °CAverage March
21.8 °CHighest 7 March, 2026
36.1 °C
Climate (2021–Present)
Bunbury (4km)
Average Low 2021–2026
11.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
23.7 °C