Goodwin Bay Weather Forecast
- 17
- 28
Cloud clearing
- 14
- 27
Sunny
- 16
- 29
Sunny
- 18
- 33
Sunny
- 21
- 36
Sunny
- 26
- 37
Mostly sunny
- 23
- 30
Mostly sunny
Today 20 Dec Perth
Cloud clearing. Winds southerly 25 to 35 km/h turning southeasterly 15 to 25 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning southeasterly in the late evening.
- Seas
- 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 2 to 2.5 metres during the afternoon.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Cloud clearing.
- Weather Situation
- A west coast trough will move inland today followed by a strengthening ridge. Another weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
Goodwin Bay Temperature Statistics View More
December Temperature
Garden Island (0km)
Lowest 4 December, 2025
16.4 °CAverage December
22 °CHighest 14 December, 2025
38.8 °C
Climate (2020–Present)
Garden Island (0km)
Average Low 2020–2025
15.2 °CAverage 2020–2025
19 °CAverage High 2020–2025
23.4 °C