Round Top Island Weather Forecast
- 14
- 14
Windy
- 13
- 13
Rain
- 12
- 14
Shower
- 11
- 12
Windy
- 11
- 12
Windy
- 11
- 12
Windy
- 11
- 13
Windy
Today 20 Dec Western
Cloudy. Slight chance of a shower. Winds west to northwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the late evening.
South West Coastal Waters
South East Cape to Low Rocky Point- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southwesterly around 1 metre.
- Weather
- Cloudy.
- Weather Situation
- A broad low pressure system near the west of Tasmania clears to the southeast into Sunday morning before a second, more intense, low pressure system is forecast to move across Bass Strait during Sunday and clear to the east Monday morning. A ridge of high pressure is expected to extend across the southern mainland, forecast to direct a westerly flow over Tasmania from Monday. Cold fronts embedded in the flow are expected to cross Tasmania late Monday and again Wednesday.
Round Top Island Temperature Statistics View More
December Temperature
Maatsuyker Island (8km)
Lowest 15 December, 2025
5.8 °CAverage December
11.5 °CHighest 17 December, 2025
18.7 °C
Climate (2020–Present)
Maatsuyker Island (8km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
11.6 °CAverage High 2020–2025
14.2 °C