Pocillopora Reef Weather Forecast

    • 21
    • 27

    Mostly sunny

    • 20
    • 25

    Partly cloudy

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 17
    • 27

    Wind easing. Sunny

    • 19
    • 26

    Becoming windy. Sunny

    • 18
    • 23

    Windy. Partly cloudy

    • 16
    • 24

    Becoming windy. Partly cloudy

Today 15 Dec Lower West

Mostly sunny. Slight chance of a shower. The chance of a thunderstorm this afternoon. Winds north to northeasterly 20 to 30 km/h tending north to northwesterly 25 to 35 km/h in the morning then tending northwest to southwesterly 20 to 30 km/h in the early afternoon. Daytime maximum temperatures in the low to high 30s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly 10 to 15 knots becoming variable about 10 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Mostly sunny. The chance of a thunderstorm in the early afternoon.
Weather Situation
A trough is deepening offshore from the west coast associated with a low pressure system. The trough will move back to the west coast throughout today, before moving inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Pocillopora Reef Temperature Statistics View More

December Temperature

Rottnest Island (3km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.3 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (3km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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