Gantheaume Bay Weather Forecast

    • 12
    • 19

    Showers

    • 11
    • 20

    Shower or two

    • 10
    • 20

    Mostly sunny

    • 7
    • 22

    Mostly sunny

    • 9
    • 25

    Sunny

    • 12
    • 28

    Sunny

    • 13
    • 28

    Possible shower

Today 6 Sep Central West

Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and early afternoon, possibly severe with damaging winds near the coast in the morning. Winds westerly 20 to 30 km/h tending southwesterly 25 to 35 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to around 9 with daytime temperatures reaching between 15 and 18.

Gascoyne Coastal Waters

Cape Cuvier to Kalbarri
Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning southerly 15 to 20 knots in the late morning and afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 3 to 5 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm south of Denham in the morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gantheaume Bay Temperature Statistics View More

September Temperature

Kalbarri (3km)

  • Lowest 1 September, 2025

    8.7 °C

  • Average September

    17.9 °C

  • Highest 2 September, 2025

    30.3 °C

Climate (2020–Present)

Kalbarri (3km)

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  • Average Low 2020–2025

    15.6 °C

  • Average 2020–2025

    22.3 °C

  • Average High 2020–2025

    28.2 °C
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