Marjorie Bay Weather Forecast
- 16
- 23
Becoming windy. Sunny
- 17
- 23
Sunny
- 17
- 24
Becoming windy. Sunny
- 17
- 25
Windy. Sunny
- 19
- 26
Sunny
- 20
- 26
Becoming windy. Sunny
- 18
- 26
Windy. Sunny
Today 6 Dec Lower West
Sunny. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly in the early morning then turning south to southwesterly 25 to 35 km/h in the late morning. Daytime maximum temperatures 26 to 31.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 15 to 20 knots decreasing to about 10 knots in the morning then tending south to southwesterly 15 to 20 knots in the middle of the day.
- Seas
- 1 to 2 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Sunny.
- Weather Situation
- A ridge over the Local Waters will weaken on Sunday night, as a weak cold front moves past the south coast on Monday. A new ridge will follow in the front's wake.
Marjorie Bay Temperature Statistics View More
December Temperature
Rottnest Island (3km)
Lowest 4 December, 2025
16.7 °CAverage December
20.6 °CHighest 1 December, 2025
36.2 °C
Climate (2020–Present)
Rottnest Island (3km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C