Alkimos Reef Weather Forecast

    • 15
    • 19

    Showers

    • 11
    • 18

    Shower or two

    • 8
    • 18

    Shower or two

    • 9
    • 18

    Shower or two

    • 7
    • 18

    Partly cloudy

    • 7
    • 21

    Sunny

    • 8
    • 21

    Mostly sunny

Today 18 Jul Perth

Cloudy. Very high chance of showers, becoming less likely this morning. Winds northwesterly 20 to 30 km/h tending westerly in the morning then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 20 to 25 knots turning westerly 15 to 25 knots before dawn then decreasing to 10 to 15 knots in the late afternoon. Winds reaching up to 30 knots during the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Westerly 2 to 3 metres, increasing to 3 to 4 metres around midday.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
A cold front over the southwest will move eastwards on Saturday. A weak ridge will begin to develop north of the local waters over the central west cost on Sunday, strengthening over southern WA on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Alkimos Reef Temperature Statistics View More

July Temperature

Gingin Airport (26km)

  • Lowest 11 July, 2026

    0.1 °C

  • Average July

    12.7 °C

  • Highest 15 July, 2026

    25.4 °C

Climate (2021–2026)

Gingin Airport (26km)

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  • Average Low 2021–2026

    11.4 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    26.2 °C
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