Naval Base Boat Ramp Weather Forecast

    • 13
    • 18

    Rain increasing. Windy

    • 8
    • 15

    Shower or two

    • 10
    • 16

    Showers

    • 12
    • 17

    Showers

    • 9
    • 14

    Shower or two

    • 7
    • 15

    Partly cloudy

    • 8
    • 16

    Mostly sunny

Today 20 Jul Perth

Cloudy. Very high chance of rain, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening, possibly severe. Winds north to northwesterly 30 to 50 km/h shifting south to southwesterly in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northwesterly 15 to 25 knots, reaching up to 35 knots in the late afternoon. Winds shifting south to southwesterly 25 to 30 knots in the late afternoon.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the afternoon and early evening, possibly severe.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Naval Base Boat Ramp Temperature Statistics View More

July Temperature

Garden Island (10km)

  • Lowest 17 July, 2025

    8.5 °C

  • Average July

    14.9 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (10km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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