Seal Island Weather Forecast
- 15
- 19
Showers
- 9
- 16
Shower or two
- 11
- 17
Shower or two
- 11
- 17
Shower or two
- 13
- 18
Shower or two
- 9
- 17
Shower or two
- 12
- 18
Shower or two
Today 12 Jul Perth
Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. Winds north to northwesterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending southeast to southwesterly 15 to 20 km/h in the late afternoon.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northwest to southwesterly 15 to 25 knots tending south to southwesterly 15 to 20 knots in the late afternoon then tending south to southeasterly 10 to 15 knots in the evening.
- Seas
- 1.5 to 2 metres, decreasing to 1 metre by early evening.
- 1st Swell
- West to southwesterly 2.5 to 3 metres.
- Weather
- Cloudy. 95% chance of showers.
- Weather Situation
- A cold front continues to track east today moving over the South West Land Division. A new ridge will extend over southwest WA on Sunday, followed by a weak cold front brushing the south coast on Sunday night and Monday.
Seal Island Temperature Statistics View More
July Temperature
Garden Island (5km)
Lowest 10 July, 2025
9.3 °CAverage July
14.9 °CHighest 1 July, 2025
21.3 °C
Climate (2020–Present)
Garden Island (5km)
Average Low 2020–2025
15.2 °CAverage 2020–2025
19 °CAverage High 2020–2025
23.4 °C