Koombana Beach Weather Forecast

    • 13
    • 29

    Sunny

    • 14
    • 32

    Sunny

    • 17
    • 35

    Sunny

    • 23
    • 36

    Sunny

    • 19
    • 27

    Becoming windy. Partly cloudy

    • 13
    • 28

    Partly cloudy

    • 13
    • 29

    Sunny

Today 22 Dec Bunbury

Sunny. Winds southwesterly 20 to 25 km/h tending southerly 20 to 30 km/h in the late afternoon then tending southeasterly 25 to 30 km/h in the evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Southerly 15 to 25 knots, reaching up to 30 knots offshore in the evening. Winds tending southeasterly 20 to 25 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon, increasing to 2 to 2.5 metres offshore by early evening.
1st Swell
Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
Weather
Sunny.
Weather Situation
A firm ridge persists across much of southern WA. A west coast trough is deepening and will move offshore on Wednesday before moving inland on Friday ahead of a weak cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Koombana Beach Temperature Statistics View More

December Temperature

Bunbury (4km)

  • Lowest 4 December, 2025

    9.5 °C

  • Average December

    21.1 °C

  • Highest 14 December, 2025

    37.7 °C

Climate (2020–Present)

Bunbury (4km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    23.7 °C
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