Casuarina Boat Harbour Weather Forecast

    • 6
    • 18

    Mostly sunny

    • 11
    • 19

    Showers easing

    • 8
    • 17

    Partly cloudy

    • 6
    • 17

    Partly cloudy

    • 6
    • 18

    Partly cloudy

    • 8
    • 19

    Partly cloudy

    • 9
    • 20

    Shower or two

Today 25 Jul Bunbury

Mostly sunny. Winds northeasterly 15 to 20 km/h tending northerly 15 to 25 km/h in the middle of the day then tending northwesterly 25 to 35 km/h in the evening.

Bunbury Geographe Coastal Waters

Dawesville to Cape Naturaliste
Wind
Northerly 15 to 20 knots turning northwesterly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system near the Eucla coast extends a ridge over southern WA. The high will slowly move east on Saturday ahead of a cold front which will cross the southwest of the state on Sunday. A new ridge will develop over southern WA from Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Casuarina Boat Harbour Temperature Statistics View More

July Temperature

Bunbury (5km)

  • Lowest 24 July, 2026

    3.3 °C

  • Average July

    12.4 °C

  • Highest 15 July, 2026

    21.7 °C

Climate (2021–2026)

Bunbury (5km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.7 °C
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