Cat Island Weather Forecast
- 14
- 15
Windy
- 15
- 15
Shower
- 14
- 14
Shower
- 12
- 14
Shower
- 12
- 13
Shower
- 12
- 13
Cloudy
- 12
- 14
Shower
Today 18 Aug Furneaux Islands
Mostly clear. Winds northeasterly 20 to 30 km/h.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northeasterly 15 to 20 knots, reaching up to 25 knots offshore.
- Seas
- 1.5 metres, increasing to 2 metres offshore.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system to the east of Tasmania will move away over the Tasman Sea overnight, with a trough to approach during Wednesday and move over the state later Wednesday and early Thursday. Another trough will cross Tasmania later on Thursday, with a west to northwesterly stream expected through Friday and then a cold front to brush the south of the state on Saturday morning.
Cat Island Temperature Statistics View More
August Temperature
Flinders Island Airport (34km)
Lowest 2 August, 2026
1.5 °CAverage August
10.9 °CHighest 2 August, 2026
17.3 °C
Climate (2021–2026)
Flinders Island Airport (34km)
Average Low 2021–2026
10.4 °CAverage 2021–2026
14.3 °CAverage High 2021–2026
18.4 °C