Guillotine Beach Weather Forecast

    • 14
    • 24

    Mostly sunny

    • 13
    • 22

    Showers increasing

    • 12
    • 18

    Showers easing. Wind easing

    • 12
    • 18

    Possible shower

    • 9
    • 19

    Partly cloudy

    • 11
    • 19

    Shower or two

    • 9
    • 19

    Partly cloudy

Today 17 Sep South West

Sunny. Winds northerly 15 to 25 km/h tending northwesterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 24 to 29.

Leeuwin Coastal Waters

Cape Naturaliste to Walpole
Wind
Northerly 10 to 15 knots turning northwesterly in the morning. Winds reaching up to 20 knots offshore east of Cape Leeuwin in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 metres inshore, increasing to 2 metres offshore.
Weather
Mostly sunny.
Weather Situation
A trough extends down the west coast while a strong ridge moves east over the Bight. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the southwest on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Guillotine Beach Temperature Statistics View More

September Temperature

Cape Naturaliste (32km)

  • Lowest 7 September, 2026

    8.8 °C

  • Average September

    15 °C

  • Highest 15 September, 2026

    21.8 °C

Climate (2021–2026)

Cape Naturaliste (32km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    17.2 °C

  • Average High 2021–2026

    22.7 °C
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