Ocean Reef Boat Harbour Weather Forecast
- 12
- 22
Sunny
- 12
- 24
Sunny
- 14
- 25
Mostly sunny
- 14
- 23
Possible shower
- 11
- 22
Sunny
- 9
- 21
Sunny
- 11
- 22
Partly cloudy
Today 18 May Perth
Mostly sunny. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly about 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge lies over the region and will persist through the much of the week.
Ocean Reef Boat Harbour Temperature Statistics View More
May Temperature
Swanbourne (22km)
Lowest 2 May, 2026
7.7 °CAverage May
16.1 °CHighest 11 May, 2026
26.9 °C
Climate (2021–Present)
Swanbourne (22km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C