Swan Island Weather Forecast
- 10
- 14
Clear
- 10
- 14
Windy
- 11
- 15
Partly cloudy
- 11
- 15
Shower
- 9
- 15
Partly cloudy
- 8
- 14
Partly cloudy
- 11
- 15
Shower
Today 22 Aug North East
Clear. Winds westerly 20 to 30 km/h.
Banks Strait and Franklin
- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots in the late afternoon.
- Seas
- 2 to 3 metres.
- 1st Swell
- Northwest to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening, then decreasing to around 1 metre later in the evening.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system will move to the north of Tasmania and extend a ridge over the state overnight. The high will then move slowly eastwards on Sunday and lie over the northern Tasman Sea by Sunday evening, with a cold front to approach and cross the state on Monday morning. A low pressure system is expected to move over Victoria on Tuesday morning an out to the east of Tasmania by Tuesday evening, with a ridge of high pressure to build over the state during Wednesday.
Swan Island Temperature Statistics View More
August Temperature
Swan Island (1km)
Lowest 7 August, 2026
7 °CAverage August
12 °CHighest 19 August, 2026
16.7 °C
Climate (2021–2026)
Swan Island (1km)
Average Low 2021–2026
12 °CAverage 2021–2026
14.4 °CAverage High 2021–2026
17.5 °C