Slope Island Weather Forecast

    • 17
    • 23

    Sunny

    • 17
    • 22

    Sunny

    • 16
    • 22

    Sunny

    • 18
    • 24

    Sunny

    • 17
    • 22

    Partly cloudy

    • 18
    • 22

    Possible shower

    • 16
    • 20

    Partly cloudy

Today 3 Oct Gascoyne

Mostly sunny. Slight chance of a shower in the far northeast in the early morning. Near zero chance of rain elsewhere. The chance of a thunderstorm in the southeast in the early morning. Winds south to southeasterly 15 to 25 km/h. Daytime maximum temperatures 23 to 31.

Gascoyne Coastal Waters

Cape Cuvier to Kalbarri
Wind
Southerly 15 to 25 knots, reaching up to 30 knots offshore south of Denham in the evening.
Seas
1.5 to 2 metres, decreasing below 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure will extend over southern WA ahead of a series of troughs passing to the south of the state on Monday. A ridge returns in the wake of the troughs, with a west coast trough forming on Tuesday inland from the coast.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Slope Island Temperature Statistics View More

October Temperature

Shark Bay Airport (27km)

  • Lowest 1 October, 2026

    13.8 °C

  • Average October

    18.2 °C

  • Highest 1 October, 2026

    25.1 °C

Climate (2021–2026)

Shark Bay Airport (27km)

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  • Average Low 2021–2026

    16.8 °C

  • Average 2021–2026

    22.3 °C

  • Average High 2021–2026

    29.5 °C
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