Big Lagoon Entrance Weather Forecast

    • 15
    • 23

    Mostly clear

    • 15
    • 23

    Mostly sunny

    • 14
    • 23

    Mostly sunny

    • 13
    • 22

    Partly cloudy

    • 14
    • 24

    Sunny

    • 15
    • 26

    Sunny

    • 16
    • 26

    Sunny

Today 27 Sep Gascoyne

Partly cloudy. Slight chance of a shower in the southeast, near zero chance elsewhere. The chance of a thunderstorm in the southeast, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northwest to southwesterly 15 to 25 km/h tending south to southwesterly 15 to 20 km/h in the late evening.

Gascoyne Coastal Waters

Cape Cuvier to Kalbarri
Wind
Southerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Mostly clear.
Weather Situation
A trough and low lies close to the west coast on Sunday. A high lies south of the Bight over the weekend and moves east the next couple of days. On Monday the low will slip south of the state and the trough will move over south east parts. A cold front will approach on Tuesday and move through during Wednesday. A ridge will extend over southern parts of the state on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Lagoon Entrance Temperature Statistics View More

September Temperature

Shark Bay Airport (15km)

  • Lowest 3 September, 2026

    10 °C

  • Average September

    19.1 °C

  • Highest 18 September, 2026

    29.2 °C

Climate (2021–2026)

Shark Bay Airport (15km)

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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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