Slope Island Weather Forecast

    • 20
    • 25

    Clear

    • 20
    • 24

    Becoming windy. Mostly sunny

    • 21
    • 25

    Mostly sunny

    • 21
    • 28

    Mostly sunny

    • 21
    • 27

    Mostly sunny

    • 22
    • 28

    Partly cloudy

    • 22
    • 26

    Mostly sunny

Today 10 Dec Gascoyne

Mostly clear. Slight chance of a shower in the far northeast, near zero chance elsewhere. The chance of a thunderstorm in the far northeast. Winds west to southwesterly 20 to 30 km/h tending southeast to southwesterly in the late evening.

Gascoyne Coastal Waters

Cape Cuvier to Kalbarri
Wind
Southerly 20 to 25 knots.
Seas
2 metres.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 2 metres offshore.
Weather
Clear.
Weather Situation
A trough extending from the Gascoyne to the Goldfields will gradually move westwards across the South West Land Division to be located near the west coast by the weekend where it is expected to deepen. The trough will move offshore on Sunday as a high pressure system moves into the Bight and strengthens.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Slope Island Temperature Statistics View More

December Temperature

Shark Bay Airport (27km)

  • Lowest 6 December, 2025

    18.1 °C

  • Average December

    24.8 °C

  • Highest 1 December, 2025

    38.9 °C

Climate (2020–Present)

Shark Bay Airport (27km)

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  • Average Low 2020–2025

    16.8 °C

  • Average 2020–2025

    22.3 °C

  • Average High 2020–2025

    29.6 °C
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