Seal Island Weather Forecast
- 8
- 17
Mostly sunny
- 11
- 20
Late showers
- 14
- 18
Showers easing
- 11
- 18
Partly cloudy
- 9
- 18
Shower or two
- 13
- 18
Showers
- 11
- 15
Showers. Windy
Today 2 Aug Perth
Mostly sunny. Winds easterly 15 to 25 km/h becoming light in the early afternoon then becoming easterly 15 to 20 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- East to southeasterly 10 to 15 knots tending east to northeasterly below 10 knots during the morning and early afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge is moving east today. A trough will approach on Monday, before moving east on Tuesday, followed by a cold front along the southwest coast. A weak ridge will return on Wednesday.
Seal Island Temperature Statistics View More
August Temperature
Garden Island (5km)
Lowest 1 August, 2026
13.1 °CAverage August
14.8 °CHighest
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Climate (2021–2026)
Garden Island (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C