Swan Island Weather Forecast
- 10
- 17
Shower
- 9
- 16
Cloudy
- 6
- 18
Partly cloudy
- 9
- 20
Partly cloudy
- 10
- 22
Sunny
- 11
- 22
Partly cloudy
- 11
- 21
Partly cloudy
Today 17 Apr Central
Partly cloudy. High chance of showers in the east, medium chance elsewhere. Winds westerly 15 to 25 km/h turning southwesterly 25 to 35 km/h in the morning. Daytime maximum temperatures between 13 and 17.
Port Phillip Local Waters
- Wind
- Westerly 15 to 20 knots turning southwesterly in the morning. Winds reaching up to 25 knots in the south in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres around midday.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A high pressure system will build from the west on Friday directing a cooler southerly flow across the state. This high pressure system will gradually move across the state on the weekend ahead of a weakening trough later on Sunday. A high pressure system will move south of Tasmanian early next week whilst maintaining a ridge over Victoria.
Swan Island Temperature Statistics View More
April Temperature
Avalon Airport (30km)
Lowest 5 April, 2026
6.9 °CAverage April
15.7 °CHighest 9 April, 2026
27.2 °C
Climate (2021–Present)
Avalon Airport (30km)
Average Low 2021–2026
9.7 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
20.5 °C