The Basin Weather Forecast
- 18
- 25
Very windy. Cloud clearing
- 16
- 26
Windy. Mostly sunny
- 16
- 26
Wind easing. Mostly sunny
- 17
- 26
Partly cloudy
- 18
- 26
Sunny
- 19
- 25
Sunny
- 19
- 25
Sunny
Today 10 Mar Lower West
Partly cloudy. Winds south to southwesterly 20 to 30 km/h increasing to 40 km/h before tending south to southeasterly 25 to 35 km/h during the day. Daytime maximum temperatures in the low to high 20s.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 20 to 30 knots decreasing to 15 to 25 knots in the early morning then increasing to 20 to 30 knots in the late afternoon.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge along the west coast will strengthen today, resulting in a strong southerly surge as a weak cold front brushes past the south coast. Winds will tend more southeast to easterly from Wednesday as a strong high moves eastwards towards the south of the state. A west coast trough will return on the weekend.
The Basin Temperature Statistics View More
March Temperature
Rottnest Island (3km)
Lowest 1 March, 2026
15.2 °CAverage March
22.3 °CHighest 4 March, 2026
29.1 °C
Climate (2021–Present)
Rottnest Island (3km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C