Perth FAD1 (offshore) Weather Forecast
- 16
- 21
Shower
- 19
- 20
Shower
- 15
- 17
Shower
- 16
- 17
Shower
- 16
- 18
Shower
- 17
- 18
Shower
- 17
- 18
Shower
Today 11 Jul Perth
Mostly sunny day. Medium chance of showers, most likely in the evening. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h in the late morning and early afternoon.
Perth Coastal Waters
Two Rocks to Dawesville, offshore from Rottnest Island- Wind
- North to northwesterly 20 to 30 knots becoming northwesterly in the early afternoon.
- Seas
- 1.5 metres, increasing to 2 metres around midday.
- 1st Swell
- Southwesterly 3 metres, increasing to 3 to 4 metres during the afternoon.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A high pressure system over southern WA will move into central Australia today. A moderate cold front will bring very windy conditions to the southwest and southern coastal waters today and Saturday. A new ridge will extend over southwest WA on Sunday, followed by a weak cold front brushing past the south coast on Monday.
Perth FAD1 (offshore) Temperature Statistics View More
July Temperature
Rottnest Island (55km)
Lowest 8 July, 2025
11.2 °CAverage July
15.9 °CHighest 6 July, 2025
21.7 °C
Climate (2020–Present)
Rottnest Island (55km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C