Cat Island Weather Forecast
- 12
- 15
Sunny
- 14
- 16
Windy
- 14
- 14
Rain
- 11
- 12
Shower
- 11
- 14
Partly cloudy
- 13
- 14
Shower
- 10
- 12
Shower
Today 14 Sep Furneaux Islands
Slight chance of a shower early this morning. Mostly sunny afternoon. Winds northwesterly 25 to 35 km/h. Daytime maximum temperatures around 18.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots in the early afternoon.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A northwesterly airstream builds over Tasmania as a high pressure system moves eastward over the northern Tasman Sea today A series of troughs and cold fronts are expected to cross the state during Monday and Tuesday, before a westerly airstream builds on Wednesday as a high lies over Victoria.
Cat Island Temperature Statistics View More
September Temperature
Flinders Island Airport (34km)
Lowest 6 September, 2025
0.8 °CAverage September
11.2 °CHighest 7 September, 2025
20.2 °C
Climate (2020–Present)
Flinders Island Airport (34km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
14.3 °CAverage High 2020–2025
18.3 °C