Mary Street Lagoon Weather Forecast
- 18
- 22
Shower or two
- 18
- 22
Possible shower
- 14
- 22
Partly cloudy
- 15
- 26
Mostly sunny
- 17
- 27
Sunny
- 18
- 24
Partly cloudy
- 17
- 24
Partly cloudy
Today 30 Mar Mandurah
Partly cloudy. Medium chance of showers. Winds westerly 20 to 30 km/h tending southwesterly 20 to 25 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly 15 to 20 knots turning southwesterly in the evening.
- Seas
- Around 1 metre, 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 afternoon, then tending west to southwesterly 1 to 1.5 metres by early evening.
- Weather
- Partly cloudy.
- Weather Situation
- A series of weak cold fronts moves over the south coast, maintaining a showery westerly flow across the local waters until Tuesday. A new ridge will extend over southern WA from later Tuesday, before sinking to the south coast on Thursday as a trough develops over the inland South West Land Division, extending over the local waters on Friday.
Mary Street Lagoon Temperature Statistics View More
March Temperature
Mandurah (0km)
Lowest 1 March, 2026
13.3 °CAverage March
23.2 °CHighest 4 March, 2026
35.5 °C
Climate (2021–Present)
Mandurah (0km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
19.2 °CAverage High 2021–2026
23.8 °C