Little Armstrong Bay Weather Forecast

    • 17
    • 21

    Shower or two. Becoming windy

    • 13
    • 19

    Showers easing. Windy

    • 13
    • 19

    Partly cloudy

    • 14
    • 21

    Mostly sunny

    • 13
    • 21

    Mostly sunny

    • 14
    • 21

    Sunny

    • 14
    • 22

    Sunny

Today 30 Apr Lower West

Partly cloudy. Patchy morning fog. Slight chance of a shower, most likely in the afternoon and evening. Winds south to southwesterly 20 to 30 km/h. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots.
Seas
Around 1 metre, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A south to southwesterly flow will gradually tend south to southeasterly over the Local Waters during the weekend as a ridge develops over the west coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Armstrong Bay Temperature Statistics View More

April Temperature

Rottnest Island (1km)

  • Lowest 21 April, 2026

    13.2 °C

  • Average April

    18.9 °C

  • Highest 3 April, 2026

    25.9 °C

Climate (2021–Present)

Rottnest Island (1km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.7 °C
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