Round Top Island Weather Forecast

    • 10
    • 14

    Shower

    • 13
    • 13

    Shower

    • 10
    • 11

    Shower

    • 9
    • 10

    Shower

    • 10
    • 11

    Shower

    • 9
    • 14

    Partly cloudy

    • 13
    • 14

    Shower

Today 24 Sep Western

Partly cloudy. High chance of showers, most likely in the evening. Winds northeasterly 15 to 20 km/h turning north to northwesterly 25 to 35 km/h in the middle of the day. Daytime maximum temperatures between 18 and 22.

South West Coastal Waters

South East Cape to Low Rocky Point
Wind
North to northeasterly 10 to 15 knots turning northwesterly 20 to 25 knots in the evening. Winds reaching up to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 2 metres later in the evening.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 70% chance of showers in the evening.
Weather Situation
A ridge extending over Tasmania from a high pressure system in the Tasman Sea will weaken today, as a trough approaches from the west in the evening. Another weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Top Island Temperature Statistics View More

September Temperature

Maatsuyker Island (8km)

  • Lowest 16 September, 2026

    3.8 °C

  • Average September

    10.3 °C

  • Highest 20 September, 2026

    20.6 °C

Climate (2021–2026)

Maatsuyker Island (8km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.3 °C
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