Little Salmon Bay Weather Forecast

    • 15
    • 25

    Becoming windy. Sunny

    • 18
    • 26

    Windy. Sunny

    • 19
    • 28

    Sunny

    • 22
    • 31

    Sunny

    • 24
    • 32

    Mostly sunny

    • 22
    • 27

    Partly cloudy

    • 18
    • 25

    Becoming windy. Mostly sunny

Today 21 Dec Lower West

Sunny. Patchy smoke haze in the west in the early morning. Winds east to southeasterly 20 to 30 km/h turning south to southwesterly 25 to 35 km/h in the early afternoon then becoming southerly 15 to 25 km/h in the late evening. Daytime maximum temperatures around 30.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 20 knots tending southerly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A ridge over local waters will strengthen today. A weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Salmon Bay Temperature Statistics View More

December Temperature

Rottnest Island (2km)

  • Lowest 18 December, 2025

    16.5 °C

  • Average December

    21.4 °C

  • Highest 14 December, 2025

    37.1 °C

Climate (2020–Present)

Rottnest Island (2km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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