Round Top Island Weather Forecast

    • 13
    • 14

    Shower

    • 10
    • 12

    Windy

    • 10
    • 12

    Windy

    • 11
    • 14

    Shower

    • 12
    • 15

    Partly cloudy

    • 14
    • 14

    Shower

    • 12
    • 14

    Shower

Today 13 Dec Western

Partly cloudy. Medium chance of showers, most likely at night. The chance of a thunderstorm about higher ground in the afternoon. Winds northwest to southwesterly 15 to 25 km/h becoming northwesterly 25 to 35 km/h in the evening. Daytime maximum temperatures between 19 and 23.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
Westerly 15 to 20 knots turning northwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A high pressure system lies over the Tasman Sea and extends a broad ridge over Tasmania. A weak cold front is expected to cross Tasmania during Saturday, ahead of a second stronger cold front to cross early Sunday. The next high pressure system in the Bight builds a ridge over western Tasmania during Tuesday. The high is forecast to move eastwards over Tasmania by late Monday and into the Tasman Sea on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Top Island Temperature Statistics View More

December Temperature

Maatsuyker Island (8km)

  • Lowest 7 December, 2025

    6 °C

  • Average December

    11.2 °C

  • Highest 11 December, 2025

    14.7 °C

Climate (2020–Present)

Maatsuyker Island (8km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.3 °C
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