Fish Hook Bay Weather Forecast

    • 13
    • 19

    Sunny

    • 14
    • 18

    Becoming windy. Partly cloudy

    • 13
    • 17

    Possible shower. Wind easing

    • 12
    • 17

    Partly cloudy

    • 14
    • 19

    Showers

    • 14
    • 17

    Showers

    • 12
    • 17

    Shower or two

Today 21 Aug Lower West

Sunny. Patchy morning fog in the south. Light winds becoming easterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly about 10 knots tending southerly 10 to 15 knots in the early afternoon then tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Sunny.
Weather Situation
A weak ridge lies across southern WA. A trough will deepen down the west coast later today, pushing inland later on Saturday ahead of a weak front reaching the lower west coast during Sunday. A new ridge will develop over the area later Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fish Hook Bay Temperature Statistics View More

August Temperature

Rottnest Island (5km)

  • Lowest 9 August, 2026

    7.4 °C

  • Average August

    15.3 °C

  • Highest 16 August, 2026

    23.2 °C

Climate (2021–2026)

Rottnest Island (5km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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