Salmon Bay Weather Forecast
- 20
- 25
Windy. Clear
- 19
- 28
Windy. Sunny
- 19
- 29
Sunny
- 22
- 31
Possible storm
- 23
- 30
Sunny
- 21
- 27
Partly cloudy
- 20
- 25
Becoming windy. Mostly sunny
Today 11 Dec Lower West
Mostly sunny. The chance of a thunderstorm in the north. Winds southwesterly 25 to 35 km/h turning southeasterly 20 to 30 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southwesterly 15 to 25 knots, reaching up to 30 knots in the evening. Winds turning southerly in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Sunny.
- Weather Situation
- An inland trough will move closer to the west coast by the weekend where it will deepen. The trough will move offshore from the Local Waters on Sunday as a high pressure system moves into the Bight and strengthens.
Salmon Bay Temperature Statistics View More
December Temperature
Rottnest Island (1km)
Lowest 4 December, 2025
16.7 °CAverage December
20.4 °CHighest 1 December, 2025
36.2 °C
Climate (2020–Present)
Rottnest Island (1km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
22.8 °C