Cat Island Weather Forecast
- 14
- 16
Windy
- 12
- 15
Windy
- 13
- 16
Partly cloudy
- 14
- 17
Partly cloudy
- 16
- 19
Sunny
- 16
- 16
Shower
- 16
- 17
Shower
Today 14 Dec Furneaux Islands
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds westerly 45 to 65 km/h decreasing to 30 to 45 km/h in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Westerly 25 to 30 knots, reaching up to 35 knots offshore during the afternoon and evening.
- Seas
- 2 to 3 metres, increasing to 3 to 4 metres offshore.
- 1st Swell
- Westerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A strong southwesterly flow persists over Tasmania this evening, continuing into Monday. A ridge of high pressure is forecast to extend over the state on Tuesday as the high centre moves through Bass Strait, and out to the Tasman Sea by Wednesday. A trough with a cool southerly change is expected to move over Tasmania late Thursday.
Cat Island Temperature Statistics View More
December Temperature
Flinders Island Airport (34km)
Lowest 11 December, 2025
5.7 °CAverage December
15.6 °CHighest 4 December, 2025
29 °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