Fish Hook Bay Weather Forecast

    • 15
    • 19

    Showers. Wind easing

    • 14
    • 19

    Showers

    • 12
    • 19

    Early shower or two. Windy

    • 10
    • 19

    Mostly sunny

    • 11
    • 20

    Sunny

    • 11
    • 20

    Sunny

    • 14
    • 21

    Mostly sunny

Today 4 Sep Lower West

Partly cloudy. Medium chance of showers, becoming less likely this morning. Winds westerly 20 to 30 km/h tending southwesterly in the morning then becoming light in the evening. Daytime maximum temperatures between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the early afternoon.
Seas
2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the morning.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A moderate cold front will cross the local waters this morning. A stronger cold front will cross the west coast on Saturday night. A new ridge will develop to the south from Sunday and will bring southeasterly change.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fish Hook Bay Temperature Statistics View More

September Temperature

Rottnest Island (5km)

  • Lowest 1 September, 2026

    12.5 °C

  • Average September

    14.8 °C

  • Highest 2 September, 2026

    18.3 °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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