Coolie Head Weather Forecast
- 10
- 20
Sunny
- 12
- 19
Partly cloudy
- 11
- 18
Mostly sunny
- 8
- 17
Partly cloudy
- 12
- 19
Showers increasing
- 14
- 17
Showers
- 9
- 18
Shower or two
Today 21 Aug Perth
Sunny. Winds easterly 15 to 20 km/h becoming light in the middle of the day.
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 1.5 to 2.5 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.
Coolie Head Temperature Statistics View More
August Temperature
Garden Island (0km)
Lowest 11 August, 2026
7.7 °CAverage August
14.7 °CHighest 16 August, 2026
23.7 °C
Climate (2021–2026)
Garden Island (0km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C