Naval Base Weather Forecast

    • 14
    • 18

    Showers. Very windy

    • 12
    • 16

    Shower or two

    • 10
    • 17

    Shower or two

    • 14
    • 19

    Showers

    • 12
    • 17

    Shower or two

    • 12
    • 18

    Possible shower

    • 10
    • 19

    Partly cloudy

Today 14 Sep Perth

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the southwest in the morning and afternoon. Damaging winds possible during the morning and afternoon. Winds northwesterly 35 to 50 km/h tending westerly 35 to 55 km/h in the middle of the day then decreasing to 25 to 40 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 15 to 25 knots, increasing to 25 to 35 knots during the morning and tending westerly during the afternoon. Winds turning southwesterly 25 to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Westerly 1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Caution
Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
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  • Temperature Forecast Bureau of Meteorology

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Naval Base Temperature Statistics View More

September Temperature

Garden Island (10km)

  • Lowest 1 September, 2025

    7.5 °C

  • Average September

    14.6 °C

  • Highest 12 September, 2025

    24.1 °C

Climate (2020–Present)

Garden Island (10km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.3 °C
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